CN201330179Y - Reverse osmosis water production equipment - Google Patents

Abstract

The utility model provides reverse osmosis water production equipment, which comprises a pretreatment system, a reverse osmosis filtering system, a blending system, a cleaning system, a soak maintenance system and a product accumulation system. the pretreatment system comprises a primer pump, a pretreatment water inlet pipeline, a back washing pipeline and a pretreatment filtering facility; the reverse osmosis filtering system comprises a high-voltage water pump, a reverse osmosis membrane filter, a water production pipeline, and a discharge pipeline; the blending system comprises a buffer water storage tank, a booster pump, and a blending pipeline; the cleaning system comprises a cleaning tank, a cleaning pipeline, and a circulating pump; the soak maintenance system comprises a soak maintenance tank, a soak protection and maintenance pipeline and a pressure difference detection pipeline; the tank bulk of the buffer water storage tank is larger than that of the cleaning tank; and the tank bulk of the cleaning tank is larger than that of the soak maintenance tank. The utility model has the advantages of reasonable design, scientific structure, compact layout, integrated technology, fine water quality, convenient and effective maintenance, low price, safety and convenience, maintenance cost conservation, safe drinking and convenient management, and guarantees quality of treated water.

Description

Reverse osmosis water production apparatus

Technical field

The utility model relates to a kind of equipment through the water treatment potable water, relates in particular to a kind of reverse osmosis water production apparatus.

Background technology

At present, reverse osmosis (Reverse Osmosis, RO) technology is widely used in fields such as sea water desaltination, brackish water desalination, industrial pure water, tap water deep processing, material concentrate, sewage disposal, core component as reverse osmosis technology--reverse osmosis membrane, biological substance in the use in the water can cause biological pollution in surface sediment, the growth of film, shortens the work-ing life of film, quality is produced in influence, increases to safeguard and running cost.The poor performance of reverse osmosis membrane tolerance chlorine, biological substance was difficult to thoroughly be killed by oxygenant before entering reverse osmosis membrane, seawater, surface water and sewage are rich in microorganism again, irrational operation and maintenance meeting increases the cleaning frequency and the cleaning charge usefulness of reverse osmosis membrane, seriously shortens the work-ing life of reverse osmosis membrane.Although reverse osmosis system when running, high velocity flow can blocking portion decomposing biological material in the accumulation on film surface, be subjected to outside limits such as demand, working time, can not accomplish continuous operation, be accompanied by long shutdown usually.For example the bitter salt water desalting equipment in rural area only moves 1-2 time weekly, and each 2-3 hour, all the other times were in stopped status; Reverse osmosis equipment on the fishing boat is in idle state in fishing off season; Reverse osmosis system on the sewage disposal device can not move equally continuously; Conventional treatment process is that reverse osmosis equipment is once being cleaned before long-term the shutdown completely, but shuts down frequently, and the not only elapsed time and the energy of matting, and expense completely is suitable costliness.

The reverse osmosis equipment of rural area brackish water desalination is to handle the slightly salty that total soluble solids is no more than 2000mg/L mostly, this water is after reverse-osmosis treated, the content of mineral substances of output water approaches 0, and in the process of desalination, a lot of beneficial trace elements have been filtered simultaneously.The production that comprises a lot of mineral waters be water sources such as tap water after osmosis filtration, adopt business-like mineralized liquid to blend again, for example bottled mineral water, the mineral water of barreled.But this mode is wanted the cost of the outer mineralized liquid of amount paid, and the content of the artificial mineralized liquid intermediate ion of producing is not comprehensive, lacks the replenishing of trace element of a variety of necessity, and long-term drinking can play negative effect to people's health.

Summary of the invention

Main purpose of the present utility model is to solve the problem in the above-mentioned system water process, and a kind of reverse osmosis water production apparatus that directly can blend water quality, cleaning equipment, immersion maintenance facilities is provided.

The technical scheme that its technical problem that solves the utility model adopts is:

By pretreatment system, reverse osmosis filtration system, blend system, cleaning system, immersion maintenance system and finished product and accumulate system and form, pretreatment system filters facility by primer pump, pre-treatment suction culvert, counter-flushing pipeline, pre-treatment outlet pipeline and pre-treatment and forms, the input aperture of primer pump is connected with former water, introduce former water water body by primer pump, the delivery port of primer pump is connected with counter-flushing pipeline with the pre-treatment suction culvert.

The present invention is by pretreatment system, reverse osmosis filtration system, blends system, cleaning system, immersion maintenance system and finished product and accumulate system and constitute the tap water preparation apparatus, the design of pretreatment system is with water quality, water production rate, the rate of recovery much relations to be arranged, to design according to practical situation, simple pre-treatment only needs one or one group of medium filter, filtration medium can adopt husky filter, as quartz sand, also can adopt the combination of filtrate targetedly or multiple filtrate, reverse osmosis filtration system and the system of blending can shared pretreatment units.

The former water of high pressure filtered after reverse osmosis filtration system adopted coiled reverse osmosis membrane to pre-treatment, under the effect of pressure, a part of water in the pretreated water body has seen through reverse osmosis membrane as infiltration water, becoming the dissolved substance that finished product water gathered in the rest parts water body can't run off, become denseer, from drain line, discharge.The system of blending is the filter sterilization flow process that buffering water tank and continuous formations such as pipeline, water pump, strainer and ultraviolet-sterilization instrument are blent usefulness, after micro-filtration (MF) or ultrafiltration (UF) processing, pass through germicidal treatment again, directly introduce the product water end (W.E.), mix and blend, both guarantee the taste and the safe for drinking standard of final product water, guaranteed the existence of multiple natural trace element in the water again, also reduced product water cost.Cleaning system is to constitute online wash section by purge tank and continuous pipeline and water pump.Soaking maintenance system is to safeguard that by soaking jar and the pipeline that links to each other have constituted the protection part that prevents biological pollution.Finished product is accumulated system the tap water produced is stored in the finished product water storage tank, so that drink, irritate and get with can etc.The former water that primer pump is introduced is the sewage of well water, seawater, tap water, surface water or preliminary treatment.

The former water water body that primer pump is introduced is directly used in to filter system water or be used for the back flushing pre-treatment and filters facility, and series connection is provided with pre-treatment and filters facility on pre-treatment suction culvert, pre-treatment outlet pipeline and counter-flushing pipeline.

The oxygenant storage tank is connected with the pre-treatment suction culvert, on the oxygenant storage tank volume pump is set, and throws in oxygenant in proportion in the pre-treatment suction culvert by volume pump, and deleterious reductibility ion in the oxidation water body, oxygenant are used for the ferrous ion Fe in the oxidizing water ²⁺, divalent mn ion Mn ²⁺Or sulfide, making them generate water-fast suspended substance and can be, and play germicidal action by the medium filter filtering, oxygenant adopts the chlorine bleach liquor.

Place oxygenant in the oxygenant storage tank, oxygenant adopts the chlorine bleach liquor usually, and its concentration is 6%-10%, drop in proportion in the pre-treatment suction culvert by volume pump, in the former water of oxidation to the deleterious reductibility ion of reverse osmosis membrane, as ferrous ion Fe ²⁺, divalent mn ion Mn ²⁺, sulfide etc., make it to form precipitation and by the medium filter filtering, perhaps kill microorganisms such as mushroom in the former water, algae.

The Scale inhibitors storage tank is connected with the pre-treatment outlet pipeline, on the Scale inhibitors storage tank volume pump is set, and adds Scale inhibitors in proportion in the pre-treatment outlet pipeline by volume pump, prevents that too high causing of water body hardness from forming insoluble incrustation scale on the reverse osmosis membrane surface.

The Scale inhibitors storage tank is with adding Scale inhibitors in the dealing pipeline, is to prevent in the reverse osmosis system that along with fresh water is separated, the insoluble material in the concentrated solution is separated out and covered the reverse osmosis membrane surface and forms insoluble incrustation scale, uses Scale inhibitors to help the water production rate of stable system.The use of can connecting with the ion exchange resin jar of Scale inhibitors storage tank also can be used separately, when the hardness in the water body when not being very big, can use the Scale inhibitors storage tank separately.Dosage is relevant with raw water quality, water production rate, the rate of recovery and the entry water yield etc.; Usually former water per ton need add Scale inhibitors 1.5-5.0ppm.

Distribute an end of conversion pipeline to be connected with the ball valve BV-4 of pre-treatment outlet pipeline, the other end and the reverse osmosis filtration system that distribute the conversion pipeline, blend system, cleaning system is connected with the immersion maintenance system, distribute the other end of conversion pipeline to be connected with the high-pressure hydraulic pump of reverse osmosis filtration system, distribute on the conversion pipeline ball valve BV-18 is set, security personnel's strainer C-1, ball valve BV-6 and check valve CV-1, ball valve BV-14 and ball valve BV-15, before security personnel's strainer C-1, ball valve BV-18 is set and is divided into two-way, the pipeline that one route is provided with ball valve BV-18 links with the buffering water tank water inlet of blending the buffering water tank of system, and be connected with the pipeline of cleaning system by the pipeline that check valve CV-5 and ball valve BV-19 are set, another route is provided with security personnel's strainer C-1, the pipeline of ball valve BV-6 and check valve CV-1 respectively with cleaning system, soaking maintenance system is connected with reverse osmosis filtration system.Be connected with the detergent line of cleaning system by the pipeline that ball valve BV-14 is set; safeguard that with the immersion of soaking maintenance system pipeline is connected by the pipeline that ball valve BV-15 is set; high-pressure hydraulic pump by pipeline and reverse osmosis filtration system is connected to form pretreated water body single current to entering reverse osmosis filtration system, before the water-in of high-pressure hydraulic pump He behind the water outlet low-voltage protective switch and high voltage protective switch is set respectively.

Finish after the pre-treatment, water body enters and distributes the conversion pipeline, and water body is distributing twice shunting on the conversion pipeline, splits into two-way for the first time before security personnel's strainer C-1, and one road ball valve BV-6 that flows through enters reverse osmosis filtration system; Another road ball valve BV-18 that flows through enters the system of blending.Shunting for the second time splits into three the tunnel after check valve CV-1, one the tunnel is connected with the detergent line of cleaning system, the immersion on another road safeguards that pipeline is connected, one the tunnel is connected with the high-pressure hydraulic pump of reverse osmosis filtration system again, adjusts to distribute on the conversion pipeline corresponding valve to make current journey or cleaning process or immersion accordingly to safeguard flow process.

Reverse osmosis filtration system comprises high-pressure hydraulic pump, entry filter pipeline, reverse osmosis membrane filt, water producing pipe road and drain line, the high pressure water delivery side of pump is connected with the entry filter pipeline that needle-valve NV-1 is set, the entry filter pipeline is connected with the reverse osmosis water inlet of reverse osmosis membrane filt, the reverse osmosis produced mouth of a river of reverse osmosis membrane filt is connected with an end on water producing pipe road, the reverse osmosis water port of reverse osmosis membrane filt is connected with drain line, and the other end on water producing pipe road is connected with the water-in that finished product is accumulated the finished product water storage tank of system.

Low-voltage protective switch, high-pressure hydraulic pump, high voltage protective switch, needle-valve NV-1, reverse osmosis membrane filt are set on the entry filter pipeline; reverse osmosis membrane filt is the hollow sealing pressurized vessel; at least 2 coiled reverse osmosis membranes that the RO film cascade connects in the pressurized vessel; water body enters in the reverse osmosis membrane filt to filter water body is divided into by coiled reverse osmosis membrane from the reverse osmosis water inlet and produces water and waste water, produces water and waste water and discharges from flow through water producing pipe road and drain line of the reverse osmosis produced mouth of a river and reverse osmosis water port respectively separately.

The specific conductivity controller is set on the water producing pipe road, the pH value controller, vent valve RV-1, suspended body flowmeter F-01, ball valve BV-8, check valve CV-6 and ball valve BV-9, the other end on water producing pipe road is connected with the water-in that finished product is accumulated the finished product water storage tank of system, a reverse osmosis membrane filt is set on water producing pipe road and drain line at least, pretreated water body enters reverse osmosis membrane filt and filters after the supercharging of high-pressure hydraulic pump, the water body of supercharging is flowed through behind the reverse osmosis membrane filt, portion water sees through coiled reverse osmosis membrane under pressure becomes the finished product water storage tank that finished product product water multiparity water lines inflow finished product is accumulated system, another part water body and ion are held back by coiled reverse osmosis membrane, discharge by drain line from the reverse osmosis water port.

The pretreated former current of process are through ball valve BV-4, enter reverse osmosis filtration system after the security personnel's strainer C-1 that is not more than 5 microns the cotton filter core of polypropylene by the aperture filters once more again, water body is reached required operating pressure by the high-pressure pump supercharging, sends into reverse osmosis membrane filt.The size of operating pressure depends on total dissolved solids content in the pretreated former water, the coiled reverse osmosis membrane of reverse osmosis membrane filt has and only allows water molecules to pass through, the characteristic that stops most of solute ions to be passed through, metering pin valve NV-1 can control the flow and the pressure of water inlet.Regulate operating pressure in the reverse osmosis membrane filt by the switching degree of continuous metering pin valve NV-1 and needle-valve NV-2, reach needed force value.Equipment work pressure is at 3～80Kg/cm ²Between, different and different with former water total salinity.The current that have pressure are after coiled reverse osmosis membrane filters, and portion water sees through coiled reverse osmosis membrane under pressure, becomes the infiltration water output, and the suspended body flowmeter of flowing through enters finished product and accumulates in the finished product water storage tank of system.

Reverse osmosis membrane filt is connected with drain line, needle-valve NV-2, suspended body flowmeter F-02 and ball valve BV-7 are set on the drain line, needle-valve NV-2 formation buffering in parallel relief line with motorized valve MV-1, regulate motorized valve MV-1 and slowly close and guarantee that the pressure that reverse osmosis membrane filt bears can not uprush in moment after high-pressure pump starts, metering pin valve NV-1 and needle-valve NV-2 adjust reverse osmosis membrane filt interior operating pressure and flow to reach desirable value.

The current that have pressure are behind reverse osmosis membrane filtration, and portion water sees through coiled reverse osmosis membrane under pressure, becomes the infiltration water output, and remaining part water body becomes concentrated solution, and flow through suspended body flowmeter F-02 and ball valve BV-7 are afterwards as discharge of wastewater.The coiled reverse osmosis membrane of reverse osmosis membrane filt and the size of pressurized vessel, quantity, progression are chosen according to practical situations.In the process of normal product water, motorized valve MV-1 slowly closes after high-pressure pump starts gradually, make the pressure that bears on the reverse osmosis membrane can not uprush in moment, the time of slowly closing gradually, the turn-off time should be determined according to the operating pressure and the reverse osmosis membrane kind of high-pressure pump more than 40 seconds.

Connect the pipeline that ball valve BV-26 is set between water producing pipe road and the drain line, be communicated with water producing pipe road and drain line, open the flushing waste that ball valve BV-26 discharges flushing water producing pipe road.

The system of blending comprises the buffering water tank, blend recycle pump and blend pipeline, the buffering water tank water inlet of blending the buffering water tank of system is connected with the ball valve BV-18 that distributes the conversion pipeline, pretreated water body shunting enters in the buffering water tank, buffering water tank integral body is airtight hollow barrel, top is provided with buffering water tank water inlet, buffering water tank water inlet is connected with ball valve BV-18, the bottom is provided with buffering water tank water outlet and buffering water tank water port, buffering water tank water outlet by ball valve BV-20 with blend the recycle pump input terminus and be connected, the side of buffering water tank is provided with buffering water tank fluid level controller, buffering water tank fluid level controller is provided with upper limit water level switch and lower limit water level switch in the buffering water tank, upper limit water level and lower limit water level in the monitoring buffering water tank, the open and close of buffering water tank fluid level controller control ball valve BV-18.

According to the design specific requirement and blend the difference of ratio or the difference of filling apparatus, in reverse osmosis membrane filt preparation infiltration pure water, the preparation of the former water of filter sterilization is blent water body and is also carried out at the same time, and the process of blending is to carry out synchronously with the product water process of preparation infiltration pure water at last.Buffer Water Tank plays the buffered effect, regulates through Buffer Water Tank and can reasonably adjust flow, and the flow of water is controlled by recycle pump and the valve of blending on the pipeline.The capacity of Buffer Water Tank designs according to real needs, through the pretreated water body ball valve BV-18 that flows through, injects Buffer Water Tank from the water inlet at buffering water tank top, outputs to follow-up pipeline by the water outlet of Buffer Water Tank bottom.Water level in the lateral buffering water tank of the Buffer Water Tank fluid level controller control Buffer Water Tank, the liquid level of Buffer Water Tank is closed ball valve BV-18 near the top of Buffer Water Tank and is stopped into water, the liquid level of Buffer Water Tank is near the water outlet of Buffer Water Tank, close topping-up pump, open ball valve BV-18 retaining.Also two liquid level switches can be set in Buffer Water Tank, a upper end that is arranged on Buffer Water Tank is near the spillway place, and this liquid level switch is controlled ball valve BV-18, when liquid level is lower than this switch, ball valve BV-18 stays open, and when liquid level is higher than this switch, closes ball valve BV-18.Another liquid level switch is arranged on the position that is higher than water outlet, when liquid level is lower than this switch, closes recycle pump.

Blend the recycle pump output terminal and blend pipeline and be connected, blend the other end of pipeline and suspended body flowmeter F-01 is set, the water producing pipe road of ball valve BV-8 and ball valve BV-9 is connected, blend ball valve BV-21 is set on the pipeline, security personnel's strainer C-3, film filter, ball valve BV-23, ball valve BV-25, ultraviolet disinfector, ball valve BV-24, suspended body flowmeter F-03 and check valve CV-4 constitute the water body single current to blend pipeline, film filter adopts microfiltration membrane or ultra-filtration membrane or microfiltration membrane/ultra-filtration membrane, film filter self has counter-flushing pipeline and blow-off line, the end of ball valve BV-25 is connected with the other end of the other end of ultraviolet disinfector and ball valve BV-23, the other end of ball valve BV-25 constitutes the sewage draining exit of blending pipeline, the water of blending in the pipeline of blending enters the water producing pipe road in proportion, mix at water producing pipe Lu Zhongyu reverse osmose pure-water and to blend, the finished product water of blending that mixes after blending enters finished product by ball valve BV-9 and accumulates in the finished product water storage tank of system.

In the normal operation of reverse osmosis equipment, open ball valve BV-18 and shunt pretreated water body, a part enters normal reverse osmosis produced water flow process, another part ball valve BV-18 that flows through enters Buffer Water Tank, water in the Buffer Water Tank is pressurized pump again and extracts, be transported in ultrafiltration (UF) or micro-filtration (MF) container, carry out simple filtration, remove impurity and harmful microorganism, again through uv sterilisation, ball valve BV-24 flows through, F-03 and check valve CV-4 enter the water producing pipe road, mix at water producing pipe Lu Zhongyu reverse osmose pure-water and blend, and the finished product tap water of blending that mixes after blending flows in the finished product water storage tank.Check valve CV-6 on the water producing pipe road is in order to prevent that blending water oppositely flows into the reverse osmosis container, coiled reverse osmosis membrane to be produced back pressure, destroying coiled reverse osmosis membrane.

It is set for maintenance, replacing topping-up pump, security personnel's strainer, suspended body flowmeter and ultra-violet sterilization equipment that ball valve BV-20, ball valve BV-21, ball valve BV-22 and ball valve BV-24 are set, and the valve closes before and after the equipment, do not have the current process in the equipment.Filter plant can be selected microfiltration membrane or ultra-filtration membrane for use, and check valve CV-4 is that the water that prevents reverse osmosis produced water lines under any circumstance enters filter pipeline.Ball valve BV-25 is used as the sewage draining exit when cleaning.

The buffering water tank water inlet of buffering water tank is connected with detergent line by pipeline, check valve CV-5 and ball valve BV-19 is set on the pipeline constitutes the scavenging solution single current to entering the buffering water tank.

Cleaning system comprises purge tank, detergent line and recycle pump, purge tank integral body is airtight hollow barrel, on the tank skin of purge tank top the purge tank water outlet is set, the purge tank water return outlet, purge tank soup water return outlet, the purge tank water inlet, purge tank water port and purge tank fluid level controller, the purge tank water inlet is connected with the water producing pipe road by the pipeline that ball valve BV-10 is set, the finished product water on water producing pipe road enters purge tank, purge tank soup water return outlet safeguards that with drain line and the immersion of soaking the maintenance jar a jar water inlet is connected by the pipeline that ball valve BV-11 and ball valve BV-17 are set, the purge tank water return outlet is connected with detergent line by the pipeline that ball valve BV-12 is set, the top ends of purge tank is provided with drug-throwing chamber, medicament is safeguarded in placement cleaning agent or immersion in the drug-throwing chamber, the bottom of purge tank is provided with purge tank water outlet and purge tank water port, the purge tank water outlet is connected with the input terminus of recycle pump, the side of purge tank is provided with the purge tank fluid level controller, the liquid level in the purge tank fluid level controller control purge tank.Start recycle pump with the water body that adds medicament in the purge tank through purge tank water outlet and the circulation of purge tank water return outlet, dissolving, confection or be sent to follow-up pipeline.

The circulation delivery side of pump is connected with detergent line, and an end of detergent line is connected with the distribution conversion pipeline that ball valve BV-14 is set, and security personnel's strainer C-2, suspended body flowmeter F-04, check valve CV-3 and ball valve BV-13 are set in the detergent line.

Purge tank, recycle pump, security personnel's strainer C-2, ball valve BV-10, ball valve BV-11, ball valve BV-12, ball valve BV-13, ball valve BV-14 constitutes online washing unit, becomes the on-line cleaning system with the entry filter pipeline.Washing unit is except on-line cleaning reverse osmosis filtration system and blending the system, can also prepare scavenging solution and liquid is safeguarded in immersion.

Soak maintenance system and comprise immersion maintenance jar, soak and protect dimension pipeline and pressure differential detection pipeline, soak and safeguard that jar integral body is airtight hollow barrel, soak and safeguard that jar top is provided with immersion and safeguards a jar water inlet, soak and safeguard jar liquid level switch and vent valve RV-2, soak and safeguard that a jar water inlet is connected with drain line by the pipeline that ball valve BV-17 is set, and be communicated with the purge tank soup water return outlet of purge tank, soak the bottom of safeguarding jar an immersion maintenance jar water outlet and an immersion maintenance jar water port are set, soak a maintenance jar water outlet and safeguard that with immersion pipeline is connected by the pipeline that ball valve BV-16 is set, one side of soaking the maintenance jar is provided with to soak safeguards a jar liquid level tube, and the liquid level of safeguarding soup in the maintenance jar is soaked in immersion maintenance jar liquid level tube monitoring.

Whole plant is installed in the room, and soaking the position of safeguarding jar should be higher than all pipelines as far as possible near the roof, and the bottom is higher than 0.5 meter of reverse osmosis filter, is no more than 1.2 meters.In soak safeguarding jar, accumulate soak the capacity of safeguarding liquid and reach aequum after, close recycle pump, soak and safeguard that jar accumulating top water-level can not be higher than water inlet.Can in soaking the maintenance jar, lay liquid level switch, when liquid level reaches desirable value, close recycle pump automatically.After in soaking the maintenance jar, holding full soak solution, close recycle pump, just can begin film is protected step.

Check valve CV-2 is set safeguards that with the immersion of needle-valve NV-3 the both ends of pipeline are connected with the water producing pipe road with the distribution conversion pipeline that ball valve BV-15 is set respectively, immersion is safeguarded needle-valve NV-3 and check valve CV-2 is set on the pipeline, the soup of safeguarding in soak safeguarding jar safeguards that from soaking jar water outlet safeguards pipeline by the flow through immersion of check valve CV-2 of the pipeline that ball valve BV-16 is set, pipeline through ball valve BV-15 is set enters in the entry filter pipeline from the water intake end of reverse osmosis membrane filt and soaks the outside surface of safeguarding coiled reverse osmosis membrane, and the soup of safeguarding that soaks in safeguarding jar safeguards that from soaking jar water outlet soaks the internal surface of safeguarding coiled reverse osmosis membrane by the pipeline that ball valve BV-16 the is set product water section that the immersion of needle-valve NV-3 safeguards that pipeline enters reverse osmosis membrane filt the water producing pipe road of flowing through.

Safeguard that in immersion pipeline is arranged in parallel the pressure differential detection pipeline, differential pressure controller is set on the pressure differential detection pipeline constitutes the pressure differential detection pipeline, one end of pressure differential detection pipeline safeguards that with the immersion that check valve CV-2 is set pipeline is connected, the other end of pressure differential detection pipeline safeguards that with the immersion that needle-valve NV-3 is set pipeline is connected, the pressure difference of coiled reverse osmosis membrane surfaces externally and internally in the reverse osmosis membrane filt on the pressure differential detection pipeline monitoring water producing pipe road.

Immersion safeguards that the both ends of pipeline are connected with the water producing pipe road with distributing the conversion pipeline respectively; safeguard in immersion the pressure differential detection pipeline is set on the pipeline; on the pressure differential detection pipeline differential pressure controller is set, the coiled reverse osmosis membrane in monitoring in soaking maintenance process, the protection reverse osmosis membrane filt.

Blend system buffering water tank, cleaning system purge tank and soak maintenance system and soak and safeguard jar according to actual demand design tank body volume, the tank body volume of buffering water tank is greater than the tank body volume of purge tank, and the tank body volume of purge tank is greater than soaking the tank body volume of safeguarding jar.

Purge tank of the present invention, immersion safeguard that the volume of jar and buffering water tank requires to design according to reality, cushion water tank according to volumetric ratio and are slightly larger than purge tank, and purge tank is safeguarded jar greater than immersion.Purge tank, immersion safeguard that the bottom of jar and buffering water tank all is provided with water port, top water-level place, tank top all is provided with overflow port, purge tank and buffering water tank can be selected container with cover or top end opening, soak a maintenance jar long storage time immersion and safeguard liquid, safeguard liquid oxidation for avoiding being stored soaking, container adopts airtight, is provided with vent valve on the top.

Finished product is accumulated system and is made up of finished product water storage tank and ozone reactor, finished product water storage tank top sets into the mouth of a river, the water inlet of finished product water storage tank is connected with water producing pipe road ball valve BV-9, ozone reactor is connected with the bottom of finished product water storage tank, the finished product water discharging ozone of ozone reactor in finished product water storage tank, ozone and finished product water fully react sterilization, the bottom finished product water outlet of finished product water storage tank is connected with ball valve BV-27, and the bottom sewage draining exit of finished product water storage tank is connected with ball valve BV-28.

What finished product water storage tank was accumulated the reverse osmosis finished product water of reverse osmosis rule system output and blent system's output blends finished product water with reverse osmosis finished product water blended mixing finished product water, finished product hydromining in the finished product water storage tank is carried out sterilization once again, sterilization with ozone reactor, and change the mouthfeel of finished product water.Ozone is a kind of sterilizing agent efficiently, and microorganisms such as bacterium, germ, fungi, mould brood cell, virus are all had extremely strong killing power.Because ozone is for filling the air gas, so the no dead angle of sterilizing is good sterilization effect.

Pre-treatment is filtered facility and is comprised medium filter, charcoal filter and ion exchange resin jar, and medium filter can be one, also can be arranged in parallel 2 at least.

The design of pretreatment system is with water quality, water production rate, the rate of recovery (output water accounts for the per-cent of the total entry of reverse osmosis) much relations to be arranged, be according to the practical situation specialized designs.Simple pre-treatment only needs a medium filter or one group of medium filter, different ions concentration according to water quality, can select active carbon filtration, lime filtration, ion-exchange pre-treatment etc. for use, water quality as former water is relatively poor, adopt some utility appliance, simple pretreatment system only needs the medium filter of a medium filter or one group of parallel connection, filtration medium can be simple quartz sand, also can be certain filtrate or the combination of multiple filtrate more targetedly excessively, reverse osmosis system and former water direct filtration disinfection system can shared pre-treatment filter facility.Pre-treatment is filtered facility and is adopted medium filter, charcoal filter and ion exchange resin jar according to the design needs usually, water body is carried out pre-treatment filter, determine to be provided with medium filter, charcoal filter and ion exchange resin jar according to the situation of pre-treatment water quality.

Ball valve BV-1, ball valve BV-3, ball valve BV-39 and ball valve BV-40 are set on the pre-treatment suction culvert, ball valve BV-2, ball valve BV-36, ball valve BV-30, ball valve BV-4 and pre-treatment emptying pipeline are set on the counter-flushing pipeline, on the pre-treatment emptying pipeline ball valve BV-5 are set.Medium filter top water inlet is connected with the pipeline that ball valve BV-29 is set, the pipeline that ball valve BV-29 is set is connected with the pre-treatment suction culvert, medium filter bottom water outlet is connected with the pipeline that ball valve BV-33 is set, the pipeline that ball valve BV-33 is set is connected with counter-flushing pipeline, constitutes the media filtration pipeline.The top water inlet of charcoal filter is connected with the pipeline that ball valve BV-35 is set with the pipeline that ball valve BV-31 is set, the pipeline that ball valve BV-31 is set is connected with the pre-treatment suction culvert, the pipeline that ball valve BV-35 is set is connected with counter-flushing pipeline, the bottom water outlet of charcoal filter is connected with the pipeline that ball valve BV-37 is set, the pipeline that ball valve BV-37 is set is connected with counter-flushing pipeline, constitutes the active carbon filtration pipeline.The top water inlet of ion exchange resin jar is connected with the pipeline that ball valve BV-38 is set with the pipeline that ball valve BV-32 is set, ball valve BV-32 pipeline is set to be connected with the pre-treatment suction culvert, the pipeline that ball valve BV-38 is set is connected with counter-flushing pipeline, the bottom water outlet of ion exchange resin jar is connected with the pipeline that ball valve BV-34 is set, the pipeline that ball valve BV-34 is set is connected with counter-flushing pipeline, constitutes the ion exchange resin filter pipeline.Close ball valve BV-4 and ball valve BV-5, open ball valve BV-3 and constitute counter-flushing pipeline, opening and closing state by Combined ball valve BV-1, ball valve BV-2, ball valve BV-30, ball valve BV-35, ball valve BV-36, ball valve BV-38, ball valve BV-39 and ball valve BV-40 constitutes counter-flushing pipeline, with former water water body back flushing medium filter successively, charcoal filter and ion exchange resin jar, the water body of back flushing is outside ball valve BV-3 escape route.Close ball valve BV-2, ball valve BV-3, ball valve BV-5, ball valve BV-36, ball valve BV-30, ball valve BV-31, ball valve BV-32, ball valve BV-39 and ball valve BV-40, open other ball valve and constitute the former water water body of pre-treatment outlet pipeline filtration treatment, close ball valve BV-4, open the water body in the ball valve BV-5 emptying pre-treatment filtration facility on the pre-treatment emptying pipeline.

When pre-treatment is filtered facility after use for some time, impurity in the water can be accumulated in the internal influence filtration treatment effect that facility is filtered in pre-treatment, need carry out backwash operation, former water is washed from opposite direction, just wash pre-treatment from the bottom up and filter the interior filtrate of facility, the recoil of the impurity of filtrate internal adsorption is washed off, outside the escape route.Ball valve BV-2 is a back flush valves, when closing ball valve BV-1, ball valve BV-4 and ball valve BV-5, when opening ball valve BV-2 and ball valve BV-3, the below that former water filters facility from pre-treatment enters, and the impurity in the facility is filtered in the counterflush pre-treatment, and impurity and water are discharged via ball valve BV-3 together.Ball valve BV-1 closes ball valve BV-2 for going into penstock, and ball valve BV-3 and ball valve BV-5, former water are extracted from the water source by primer pump after enter strainer by ball valve BV-1, are flowed out by water outlet after filtering, and the ball valve BV-4 that flows through enters follow-up pipeline.Filtrate after the backwash needs to wash through a forward again, and just basipetal flushing just can reset into normal position, and the inner remaining impurities emptying of filter.According to actual needs, the in parallel or series connection use of a plurality of medium filters can be set.

The water-in of medium filter is connected with the pre-treatment suction culvert by the pipeline that ball valve BV-29 is set, water body in the pre-treatment suction culvert enters insoluble impurity in the medium filter filtering water body, the water outlet of medium filter is connected with the pre-treatment outlet pipeline by the pipeline that ball valve BV-33 is set, water body after filtering is sent into the pre-treatment outlet pipeline, the water-in of medium filter (56-1) is connected with the pre-treatment suction culvert by the pipeline that ball valve BV-29 ' is set, water body in the pre-treatment suction culvert enters the impurity in medium filter (56-1) the filtering water body, the water outlet of medium filter (56-1) is connected with the pre-treatment outlet pipeline by the pipeline that ball valve BV-33 ' is set, and the water body after filtering is sent into the pre-treatment outlet pipeline.

In pre-treatment filtration facility, be connected in parallel by several medium filters, water body is sent into several medium filters from the pre-treatment suction culvert simultaneously, several medium filters leach the impurity in the water body simultaneously, and the water body after several medium filters filter is sent into the pre-treatment outlet pipeline simultaneously.Medium filter is the impurity in the filtering water body, and the filtering particle diameter can reach 10 microns impurity; Medium filter and medium filter adopt parallel way, can a plurality of medium filter in parallel continuously according to the design needs.

The water-in of charcoal filter is connected with the pre-treatment outlet pipeline with the pre-treatment suction culvert respectively by pipeline that ball valve BV-31 is set and the pipeline that ball valve BV-35 is set, entering in the charcoal filter by the pipeline that ball valve BV-35 is set through the water body after the medium filter filtration in the pre-treatment outlet pipeline, chlorine residue in the filtering water body and peculiar smell, the water outlet of charcoal filter is connected with the pre-treatment outlet pipeline by the pipeline that ball valve BV-37 is set, and the water body after filtering is sent into the pre-treatment outlet pipeline.

Filter the charcoal filter that is connected in series in the facility in pre-treatment, between the water-in of pre-treatment outlet pipeline and activated charcoal filter, be connected with pipeline, filtering by activated charcoal filter through the water body after the medium filter filtration in the pre-treatment outlet pipeline, charcoal filter is to remove remaining chlorine residue in the water body, and the filtering peculiar smell.

The reductive agent storage tank is connected with the pre-treatment outlet pipeline, on the reductive agent storage tank volume pump is set, by the volume pump chlorine residue in the input reductive agent removal water body in the pre-treatment outlet pipeline in proportion.

Liquid in the reductive agent storage tank is reductive agent, generally adopts the SMBS solution of food grade, and concentration is 30%, removes chlorine residue in the former water by chemical reduction reaction.Maximum residual chlorine amount residual in the addition of reductive agent and the water is relevant, and the contents of residual chlorine after reductive agent removes in the water body is no more than 0.1ppm.The use of can connecting of reductive agent storage tank and charcoal filter also can be used separately, when not using charcoal filter, can use the reductive agent storage tank to remove residual chlorine residue separately.

The water-in of ion exchange resin jar is connected with the pre-treatment outlet pipeline with the pre-treatment suction culvert respectively by pipeline that ball valve BV-32 is set and the pipeline that ball valve BV-38 is set, water body after activated charcoal filter filters in the pre-treatment outlet pipeline is entered the hardness that reduces water body in the ion exchange resin jar by the pipeline that ball valve BV-38 is set, the water outlet of ion exchange resin jar is connected with the pre-treatment outlet pipeline by the pipeline that ball valve BV-34 is set, and the water body after filtering is sent into the pre-treatment outlet pipeline.

The ion exchange resin jar is a hardness of removing water body, and water hardness mainly is the positively charged ion by wherein: calcium (Ca2+), magnesium (Mg2+) ion constitute.When the water body that will contain hardness ions when the pipeline that ball valve BV-38 is set enters the ion exchange resin jar by the interchanger resin layer, sodium ion in calcium in the water, magnesium ion and the resin is replaced, resin absorption calcium, magnesium ion and sodium ion enters in the water, effusive water is exactly the softening water that has removed hardness ions in the interchanger like this, and the water body after filtering is sent into the pre-treatment outlet pipeline from the water outlet of ion exchange resin jar by the pipeline that ball valve BV-34 is set.

The regenerator storage tank is connected with the input aperture of pre-treatment recycle pump, the delivery port of pre-treatment recycle pump is connected with the water outlet of ion exchange resin jar by the pipeline that ball valve BV-34 is set, when the resins exchange ability of ion exchange resin jar is expired, close ball valve BV-4, ball valve BV-5, ball valve BV-30, ball valve BV-38 and ball valve BV-40, the regenerative agent of regenerator storage tank is sent into manipulation of regeneration in the ion exchange resin jar by the pre-treatment recycle pump.

The ion exchange resin jar is to adopt sodium ion exchange resin, be the hardness that reduces water body, along with constantly carrying out of exchange process, just lost function of exchange after Na+ is all put out in the resin, when the resins exchange ability is expired, must use Nacl solution that resin is regenerated this moment, with the Ca of resin absorption ²⁺, Mg ²⁺Displacement is got off, and resin has adsorbed sodium ion again, has recovered softening exchange capacity.The regenerator storage tank is a regeneration of ion-exchange resin liquid, and the pre-treatment recycle pump links to each other with the ion exchange resin jar by the pipeline that ball valve BV-40 is set, and the regenerated liquid in the regenerator storage tank is carried out manipulation of regeneration to the ion exchange resin jar.

The primer pump of pretreatment system draws former water, former water is well water, seawater, tap water, the sewage of surface water or preliminary treatment, primer pump is former water input pre-treatment suction culvert, open ball valve BV-1 on the pre-treatment suction culvert and the ball valve BV-4 on the pre-treatment outlet pipeline, close ball valve BV-3, ball valve BV-2, ball valve BV-5, ball valve BV-36, ball valve BV-39, ball valve BV-40, ball valve BV-31, ball valve BV-32 and ball valve BV-30, former water enters the pre-treatment suction culvert by primer pump, the oxygenant storage tank is thrown in the reductibility ion in the oxygenant oxidation water body in proportion in the pre-treatment suction culvert, form precipitation and enter filtering behind the medium filter or kill mushroom in the former water, alga microbial.

Water body enters in the medium filter through the water-in that the pipeline that ball valve BV-29 is set filters the medium filter of facility from pre-treatment from the pre-treatment suction culvert, impurity in the filtering water body, water body after the filtration enters in the pre-treatment outlet pipeline through the pipeline that ball valve BV-33 is set from the water outlet of medium filter, and several medium filters that are connected in parallel on pre-treatment suction culvert and the pre-treatment outlet pipeline carry out media filtration simultaneously.

Water body after the filtration is entered in the activated charcoal filter through pipeline that ball valve BV-35 the is set water-in from activated charcoal filter by the pre-treatment outlet pipeline, remove chlorine residue and peculiar smell in the water body, the water body after the filtration enters the pre-treatment outlet pipeline from the water outlet of activated charcoal filter through the pipeline that ball valve BV-37 is set.

The reductive agent storage tank drops into reductive agent in proportion in the pre-treatment outlet pipeline, reductive agent is with removing the chlorine residue of filtering in the water body of back.

Water body enters in the ion exchange resin jar through pipeline that ball valve BV-38 the is set water-in from the ion exchange resin jar, reduce the hardness of water body, the water body after the processing enters the pre-treatment outlet pipeline from the water outlet of ion exchange resin jar through the pipeline that ball valve BV-34 is set.

The Scale inhibitors storage tank adds Scale inhibitors in proportion and prevents that too high causing of water body hardness from forming insoluble incrustation scale on the reverse osmosis membrane surface in the pre-treatment outlet pipeline.

Former water flows out from the pre-treatment outlet pipeline after pre-treatment, and the pipeline through ball valve BV-4 is set enters and distributes the conversion pipeline.

The design of pretreatment filters is relevant with water quality, water production rate, the rate of recovery, design according to practical situation.Simple pretreatment filters only needs one or one group of medium filter, filtration medium can adopt quartz sand, also can adopt the combination of pointed filtrate or multiple filtrate, reverse osmosis filtration system and the system of blending can use a pretreatment filters jointly.If raw water quality is relatively poor, pretreatment filters need increase utility appliance, and the ion proportioning different according to water quality can be selected active carbon filtration, lime filtration and ion-exchange pre-treatment etc. for use.

Water body is after security personnel's strainer C-1 filters, the pipeline that ball valve BV-6 and check valve CV-1 are set of flowing through enters reverse osmosis filtration system, close ball valve BV-18, the ball valve BV-14 and the ball valve BV-15 that distribute on the conversion pipeline, close ball valve BV-10 and ball valve BV-11 in the detergent line, close and soak ball valve BV-17 and the needle-valve NV-3 that safeguards on the pipeline, open ball valve BV-8 and ball valve BV-9 on the water producing pipe road, open needle-valve NV-2 and ball valve BV-7 on the drain line, open the motorized valve MV-1 on the buffering relief line, close the ball valve BV-26 on the drain line.

Start high-pressure hydraulic pump to the water body supercharging; reach the operating pressure that designing institute needs; before the water-in of high-pressure pump and the low-voltage protective switch that is provided with respectively behind the water outlet and high voltage protective switch limit the bound of water body pressure with the protection high-pressure hydraulic pump; water body enters reverse osmosis membrane filt through needle-valve NV-1 from the reverse osmosis water inlet; the coiled reverse osmosis membrane of reverse osmosis membrane filt only allows water molecules to pass through; stop most of solute ions to be passed through; motorized valve MV-1 and needle-valve NV-2 are in open mode in the starting stage; guarantee that the pressure that reverse osmosis membrane filt bears can not uprush in moment; high-pressure hydraulic pump started after for some time; slowly close motorized valve MV-1, the flooding velocity and the pressure on metering pin valve NV-1 and needle-valve NV-2 control water producing pipe road.

Finished product current after reverse osmosis membrane filt filters through specific conductivity controller and pH controller to finished product water monitoring specific conductivity and pH value, the finished product current through suspended body flowmeter F-01 to finished product water statistic flow, finished product water flows into finished product by ball valve BV-8 and ball valve BV-9 and accumulates in the finished product water storage tank of system, the finished product water discharging ozone of ozone reactor in finished product water storage tank, ozone and finished product water fully react sterilization, and finished product water is placed after 24 hours promptly drinkable.

The primer pump of pretreatment system draws former water, former water is well water, seawater, tap water, the sewage of surface water or preliminary treatment, primer pump is former water input pre-treatment suction culvert, open ball valve BV-1 on the pre-treatment suction culvert and the ball valve BV-4 on the pre-treatment outlet pipeline, close ball valve BV-3, ball valve BV-2, ball valve BV-5, ball valve BV-36, ball valve BV-39, ball valve BV-40, ball valve BV-31, ball valve BV-32 and ball valve BV-30, former water enters the pre-treatment suction culvert by primer pump, the oxygenant storage tank is thrown in the reductibility ion in the oxygenant oxidation water body in proportion in the pre-treatment suction culvert, form precipitation and enter filtering behind the medium filter or kill mushroom in the former water, alga microbial.

Water body enters in the medium filter through the water-in that the pipeline that ball valve BV-29 is set filters the medium filter of facility from pre-treatment from the pre-treatment suction culvert, impurity in the filtering water body, water body after the filtration enters in the pre-treatment outlet pipeline through the pipeline that ball valve BV-33 is set from the water outlet of medium filter, and several medium filters that are connected in parallel on pre-treatment suction culvert and the pre-treatment outlet pipeline carry out media filtration simultaneously.

Water body after the filtration enters in the activated charcoal filter through pipeline that ball valve BV-35 the is set water-in from activated charcoal filter, remove chlorine residue and peculiar smell in the water body, the water body after the filtration enters the pre-treatment outlet pipeline from the water outlet of activated charcoal filter through the pipeline that ball valve BV-37 is set.

The reductive agent storage tank drops into reductive agent in proportion in the pre-treatment outlet pipeline, reductive agent is with removing the chlorine residue of filtering in the water body of back.

Water body enters in the ion exchange resin jar through pipeline that ball valve BV-38 the is set water-in from the ion exchange resin jar, reduce the hardness of water body, the water body after the processing enters the pre-treatment outlet pipeline from the water outlet of ion exchange resin jar through the pipeline that ball valve BV-34 is set.

The Scale inhibitors storage tank adds Scale inhibitors in proportion and prevents that too high causing of water body hardness from forming insoluble incrustation scale on the reverse osmosis membrane surface in the pre-treatment outlet pipeline.

Former water flows out from the pre-treatment outlet pipeline after pre-treatment, enters through ball valve BV-4 and distributes the conversion pipeline.Water body is after security personnel's strainer C-1 filters, flow through ball valve BV-6 and check valve CV-1 enters reverse osmosis filtration system, close ball valve BV-18, the ball valve BV-14 and the ball valve BV-15 that distribute on the conversion pipeline, close ball valve BV-10 and ball valve BV-11 on the cleaning system, close and soak ball valve BV-17 and the needle-valve NV-3 that safeguards on the pipeline, open ball valve BV-8 and ball valve BV-9 on the water producing pipe road, open needle-valve NV-2 and ball valve BV-7 on the drain line, open the motorized valve MV-1 on the buffering relief line, close the ball valve BV-26 on the drain line.

Start high-pressure hydraulic pump to the water body supercharging, reach the operating pressure that designing institute needs, water body enters reverse osmosis membrane filt through needle-valve NV-1, coiled reverse osmosis membrane in the reverse osmosis membrane filt only allows water molecules to pass through, stop most of solute ions to be passed through, motorized valve MV-1 and needle-valve NV-2 are in open mode in the starting stage, guarantee that the pressure that reverse osmosis membrane filt bears can not uprush in moment, high-pressure hydraulic pump started after for some time, slowly close motorized valve MV-1, the flooding velocity and the pressure on metering pin valve NV-1 and needle-valve NV-2 control water producing pipe road.

Finished product current after reverse osmosis membrane filt filters through specific conductivity controller and pH controller to finished product water monitoring specific conductivity and pH value, the finished product current through suspended body flowmeter F-01 to finished product water statistic flow.

In reverse osmosis filtration system system water, open ball valve BV-18, enter in the buffering water tank from buffering water tank water inlet by the pipeline that ball valve BV-18 is set through pretreated water body, startup is blent recycle pump and is extracted pretreated water body by the pipeline that ball valve BV-20 is set from the buffering water tank water outlet that cushions water tank, and be transported to and blend pipeline, water body is by being provided with ball valve BV-21, the pipeline of security personnel strainer C-3 and ball valve BV-22, after filtering, security personnel's strainer C-3 imports in the film filter, remove impurity and harmful microorganism, make through the ultraviolet disinfector disinfection by the pipeline that ball valve BV-23 is set again and blend water body, the water body of making of blending is flowed through ball valve BV-24 is set, the pipeline of suspended body flowmeter F-03 and check valve CV-4 enters in the water producing pipe road, the finished product water of blending water body and the pipeline that ball valve BV-8 is set of flowing through is mixed in proportion in the water producing pipe road to be blent, the water yield of blending water body is by ball valve BV-22 and ball valve BV-23 regulation and control, the pipeline of finished product water after blending through ball valve BV-9 is set flows into finished product and accumulates in the finished product water storage tank of system, the finished product water discharging ozone of ozone reactor in finished product water storage tank, ozone and finished product water fully react sterilization, and finished product water is placed after 24 hours promptly drinkable.

Finished product is accumulated in the finished product water storage tank of system and is accumulated the finished product water of being made by reverse osmosis filtration system, the high-pressure hydraulic pump of closing reverse osmosis filtration system stops reverse osmosis filtration system and makes finished product water, open the ball valve BV-18 that distributes on the conversion pipeline, close the ball valve BV-6 that distributes on the conversion pipeline and the ball valve BV-8 on water producing pipe road, filtering water body after facility filters through pre-treatment from pre-treatment flows into the pipeline that ball valve BV-18 is set and enters in the buffering water tank of the system of blending, start and to blend the pipeline of recycle pump by ball valve BV-20 is set and extract pretreated water body and be pressed and delivered to from the buffering water tank water outlet of buffering water tank and blend pipeline, water body is by being provided with ball valve BV-21, the pipeline of security personnel strainer C-3 and ball valve BV-22, after filtering, security personnel's strainer C-3 imports in the film filter, remove impurity and harmful microorganism, make through the ultraviolet disinfector disinfection by the pipeline that ball valve BV-23 is set again and blend water body, the water body of making of blending is flowed through ball valve BV-24 is set, the pipeline of suspended body flowmeter F-03 and check valve CV-4 enters the water producing pipe road, blending water body accumulates in the finished product water storage tank of system through the pipeline inflow finished product that ball valve BV-9 is set, blending finished product water that water body makes with reverse osmosis filtration system in finished product water storage tank is mixed in proportion and blends, blending the water yield of water body is calculated by the flow that product water time of blending water and spinner-type flowmeter F-03 read, reaching the required water yield then closes and blends recycle pump and close ball valve BV-18, the finished product water discharging ozone of ozone reactor in finished product water storage tank, ozone and finished product water fully react sterilization, and finished product water is placed after 24 hours promptly drinkable.

Close high-pressure hydraulic pump and stop reverse osmosis filtration system system water, open ball valve BV-3, close ball valve BV-4 and ball valve BV-5, primer pump is in former water input counter-flushing pipeline or the pre-treatment suction culvert, by Combined ball valve BV-1, ball valve BV-2, ball valve BV-30, ball valve BV-35, ball valve BV-36, ball valve BV-38, ball valve BV-39 and ball valve BV-40 open and closing condition, back flushing medium filter successively, activated charcoal filter and ion exchange resin jar, former water enters pre-treatment by ball valve BV-2 from the pre-treatment outlet pipeline and filters the facility back flushing, and the pre-treatment suction culvert that the back flushing water body flows into pretreated filter facility top together with the impurity pipeline that ball valve BV-3 is set of flowing through is discharged.

When the medium filter of facility is filtered in the back flushing pre-treatment, open ball valve BV-29, ball valve BV-2, ball valve BV-33, ball valve BV-3, ball valve BV-39 and ball valve BV-40, close ball valve BV-1, ball valve BV-31, ball valve BV-32, ball valve BV-35, ball valve BV-4, ball valve BV-5 and ball valve BV-36, start primer pump former water input counter-flushing pipeline, the pipeline of the water body of back flushing through ball valve BV-33 is set enters back flushing medium filter in the medium filter from the water outlet of medium filter, the water body of back flushing flows out together with the water-in of impurity from medium filter, pipeline through ball valve BV-29 is set enters the pre-treatment suction culvert, the pipeline discharging of flowing through ball valve BV-3 being set; Use when a plurality of medium filters are in parallel, other medium filters in parallel of back flushing adopt the same operation method, a plurality of medium filters of back flushing simultaneously.

When the activated charcoal filter of facility is filtered in the back flushing pre-treatment, open ball valve BV-1, ball valve BV-29, ball valve BV-33, ball valve BV-31, ball valve BV-40, ball valve BV-36, ball valve BV-37 and ball valve BV-3, close ball valve BV-2, ball valve BV-30, ball valve BV-32, ball valve BV-34, ball valve BV-4, ball valve BV-5, ball valve BV-35, ball valve BV-38 and ball valve BV-39, start primer pump former water input pre-treatment suction culvert, after medium filter filters, enter counter-flushing pipeline and become the back flushing water body, the pipeline of the water body of back flushing through ball valve BV-37 is set enters back flushing activated charcoal filter in the activated charcoal filter from the activated charcoal filter water outlet, the water body of back flushing flows out together with the water-in of impurity from activated charcoal filter, pipeline through ball valve BV-31 is set enters the pre-treatment suction culvert, the pipeline discharging of flowing through ball valve BV-3 being set.

When back flushing ion exchange resin jar, open ball valve BV-1, ball valve BV-29, ball valve BV-33, ball valve BV-35, ball valve BV-3, ball valve BV-37, ball valve BV-30, ball valve BV-32 and ball valve BV-34, close ball valve BV-2, ball valve BV-4, ball valve BV-5, ball valve BV-39, ball valve BV-40, ball valve BV-36, ball valve BV-31 and ball valve BV-38, start primer pump water body input pre-treatment pipeline, water body is flowed through successively and is entered counter-flushing pipeline after medium filter and the charcoal filter and become backwashing water, the pipeline of the water body of back flushing through ball valve BV-34 is set enters back flushing ion exchange resin jar in the ion exchange resin jar from the water outlet of ion exchange resin jar, the water body of back flushing flows out from ion exchange resin jar water-in together with impurity, pipeline through ball valve BV-32 is set enters the pre-treatment suction culvert, the pipeline discharging of flowing through ball valve BV-3 being set.

When the regenerating ion exchange resin jar, open ball valve BV-34, ball valve BV-32 and ball valve BV-3, close ball valve BV-4, ball valve BV-5, ball valve BV-40, ball valve BV-30 and ball valve BV-38, starting the pre-treatment recycle pump enters the pipeline of the regenerator in the regenerator storage tank through ball valve BV-34 is set in the ion exchange resin jar from ion exchange resin jar water outlet, regenerator is closed ball valve BV-32 and ball valve BV-34 after being full of the ion exchange resin jar successively, close the pre-treatment recycle pump, the ion exchange resin jar is soaked; Open ball valve BV-32 and ball valve BV-34 successively after soaking end, start the pre-treatment recycle pump to the flushing of ion exchange resin jar, regeneration, the regenerator soup that soaks the ion exchange resin jar flows out from ion exchange resin jar water-in, pipeline through ball valve BV-32 is set enters the pre-treatment suction culvert, the pipeline discharging of flowing through ball valve BV-3 being set.

After facility is filtered in the back flushing pre-treatment, again through just washing pretreated filter facility, open ball valve BV-1, ball valve BV-29, ball valve BV-33, ball valve BV-35, ball valve BV-37, ball valve BV-38, ball valve BV-34 and ball valve BV-5, close ball valve BV-2, ball valve BV-36, ball valve BV-31, ball valve BV-30, ball valve BV-32, ball valve BV-39, ball valve BV-40, ball valve BV-3 and ball valve BV-4, the keying state of other valve is with normal identical when producing water, former water water body filters facility top pre-treatment suction culvert by the pre-treatment suction culvert from pre-treatment and enters pre-treatment filtration facility, the water body that is just washing pretreated filter facility filters the pre-treatment outlet pipeline outflow of facility bottom from pre-treatment, discharge from the pre-treatment emptying pipeline that ball valve BV-5 is set, the inner remaining impurities emptying of facility is filtered in pre-treatment, just washing and returning to normal operating conditions.

Make in the process of finished product water at reverse osmosis filtration system, open the ball valve BV-10 of cleaning system, close the ball valve BV-8 on the water producing pipe road, finished product water is injected in the purge tank by the purge tank water inlet from the pipeline that ball valve BV-10 is set, finished product water in the purge tank reaches the amount of design, close high-pressure hydraulic pump and stop reverse osmosis filtration system system water, close primer pump and stop pretreatment system system water, close the ball valve BV-6 and the ball valve BV-15 that distribute on the conversion pipeline then, open ball valve BV-10 and prevent to generate in the water producing pipe road the interior coiled reverse osmosis membrane of back pressure destruction reverse osmosis membrane filt, close water producing pipe road upper ball valve BV-8 and ball valve BV-9 and prevent that cleaning agent water body and flushing water body from flowing into finished product water storage tank, close ball valve BV-13, open ball valve BV-12, starting recycle pump extracts out from the purge tank water outlet of purge tank by water body, enter detergent line, flow through security personnel's strainer C-2 is set, the pipeline of suspended body flowmeter F-04 and ball valve BV-12, get back in the purge tank from the purge tank water return outlet again, reciprocation cycle, the cleaning agent of purge tank top drug-throwing chamber drops in the purge tank slowly, the recycle pump reciprocation cycle is thoroughly dissolved thorough mixing until cleaning agent, and the concentration weight ratio of cleaning agent is 1%-1.5%.

The kind of cleaning agent and concentration will be determined according to the pollution level of coiled reverse osmosis membrane and the kind of pollutent.

At first closing high-pressure hydraulic pump stops to supply water to reverse osmosis filtration system, close primer pump again and stop pretreatment system system water, close the ball valve BV-6 and the ball valve BV-15 that distribute on the conversion pipeline then, open ball valve BV-10 and prevent to generate on the coiled reverse osmosis membrane back pressure, destroy the coiled reverse osmosis membrane of reverse osmosis membrane filt, close water producing pipe road upper ball valve BV-8 and ball valve BV-9, prevent that cleaning agent water body and flushing water body from flowing in the finished product water storage tank, open ball valve BV-13 and ball valve BV-14 in the line detergent line, semi-closed ball valve BV-12, open the gentle motorized valve MV-1 that eats up part of on the pressure pipe road of ball valve BV-7 on the drain line, the needle-valve NV-1 and the needle-valve NV-2 that open on the entry filter pipeline remain stationary, close ball valve BV-15, ball valve BV-6 and ball valve BV-26, close the ball valve BV-17 and the needle-valve NV-3 that soak maintenance system, close the ball valve BV-11 and the ball valve BV-19 of cleaning system, recycle pump is squeezed into reverse osmosis filtration system to the cleaning agent of preparing in the purge tank along detergent line and entry filter pipeline, clean the outside surface of coiled reverse osmosis membrane in the reverse osmosis membrane filt, the cleaning agent after the flushing is discharged from the drain line that ball valve BV-7 is set.

The flow of the suspended body flowmeter F-04 monitoring cleaning agent in the detergent line, adjust the flow of ball valve BV-13 and ball valve BV-12 control cleaning agent, wash the outside surface of the coiled reverse osmosis membrane in the reverse osmosis membrane filt and opened ball valve BV-11 after 5 minutes, close the ball valve BV-7 on the drain line, cleaning agent is flowed through the pipeline of ball valve BV-11 is set, return in the purge tank reciprocation cycle from the purge tank soup water return outlet of purge tank.

Reciprocation cycle continues 30 minutes, close ball valve BV-11, ball valve BV-7 and ball valve BV-14 successively, close and stop recycle pump, cleaning agent is sealed up for safekeeping in reverse osmosis membrane filt, coiled reverse osmosis membrane in the reverse osmosis membrane filt is soaked, and soak time is 1-24h, after immersion finishes, open ball valve BV-11 and ball valve BV-14, the cleaning agent emptying in the reverse osmosis membrane filt.Restarting recycle pump extracts the scavenging solution in the purge tank out from the purge tank water outlet, by detergent line and entry filter pipeline, enter in the reverse osmosis filter from the reverse osmosis water inlet of reverse osmosis filter, discharge from the reverse osmosis water port of reverse osmosis filter again, drain line through skill of handling needles NV-2 and suspended body flowmeter F-02 are set flows into the pipeline that ball valve BV-11 is set and turns back in the purge tank from purge tank soup water return outlet, reciprocation cycle 15 minutes is closed recycle pump and is stopped circulation.

Open the ball valve BV-6 that distributes on the conversion pipeline, open the ball valve BV-7 on the drain line, close ball valve BV-11 and ball valve BV-10, ball valve BV-9 still keeps closing, open ball valve BV-8 and ball valve BV-26 on the water producing pipe road, open the ball valve BV-7 on the drain line, start primer pump and adopt the pretreated water body flushing of pretreatment system reverse osmosis membrane filt, washed 10-15 minute, the water body of flushing is discharged from the pipeline that ball valve BV-9 is set, start high-pressure hydraulic pump and enter normal product aqueous mode, the current of institute's output are discharged by drain line through the pipeline that ball valve BV-26 is set, water quality up to institute's output water reaches the requirement of finished product water through specific conductivity controller and the check of pH value controller, open ball valve BV-9, close ball valve BV-26, finished product water is injected the finished product water storage tank that finished product is accumulated system, the cleaning agent waste liquid in the purge tank is discharged from the purge tank water port.

In the purge tank of cleaning system, prepare cleaning agent; under the situation that does not stop recycle pump; close ball valve BV-18; open ball valve BV-19 and ball valve BV-13; close ball valve BV-12; ball valve BV-14 and ball valve BV-20; blending recycle pump does not start; recycle pump is exported the cleaning agent in the purge tank; check valve CV-3 flows through; ball valve BV-13; ball valve BV-19 and check valve CV-5 enter the buffering water tank; usually the capacity of buffering water tank is greater than the capacity of purge tank; close recycle pump before cleaning agent in the purge tank is cleared, the cleaning agent raffinate in the purge tank is discharged from the purge tank water port.

Close ball valve BV-19, open ball valve BV-20, start and blend recycle pump, clean with the cleaning agent in the buffering water tank and blend pipeline and film filter, regulate ball valve BV-23 dominant discharge and flow velocity.Cleaning agent is mainly used to the cleaning membrane filtration device, cleans the back cleaning agent and is divided into two portions, and a part sees through the liquid that sees through that film filter becomes cleaning agent, and another part becomes the cleaning debris; The ball valve BV-21 that cleaning agent is flowed through and blent pipeline, security personnel's strainer C-3, ball valve BV-22, film filter and ball valve BV-23, the a part of medicament in back is as the ball valve BV-23 that flows through through liquid, opening ball valve BV-25 discharges the liquid that sees through of cleaning agent to blend pipeline or cleaning agent sees through the ball valve BV-21 that liquid is flowed through and blent pipeline, security personnel's strainer C-3, ball valve BV-22, film filter, ball valve BV-23, ultraviolet disinfector, ball valve BV-24, spinner-type flowmeter F-03 and check valve CV-4, close ball valve BV-7 and ball valve BV-8, open ball valve BV-26 the waste liquid of cleaning agent is discharged from drain line, the residual waste liquid of the cleaning of cleaning agent is then discharged from the blow-off line that film filter carries.

Wait that the cleaning agent that cushions in the water tank empties, open ball valve BV-18 pretreated water body is put into the buffering water tank, blend the flushing of recycle pump extraction water body and blend pipeline, blend recycle pump and enter normal product aqueous mode, the water of institute's output is discharged by the blow-off line that drain line and film filter carry respectively, reaches the requirement of finished product water up to the water quality of institute's output water.

Make in the process of finished product water at reverse osmosis filtration system, open the ball valve BV-10 of cleaning system, finished product water is injected in the purge tank by the purge tank water inlet from the pipeline that ball valve BV-10 is set, finished product water in the purge tank reaches the amount of design, closing high-pressure hydraulic pump earlier stops to supply water to reverse osmosis filtration system, close primer pump again and stop pretreatment system system water, close ball valve BV-6, ball valve BV-10 and ball valve BV-13, open ball valve BV-12, starting recycle pump extracts out from the purge tank water outlet of purge tank by water body, enter detergent line, flow through security personnel's strainer C-2 is set, the pipeline of suspended body flowmeter F-04 and ball valve BV-12, get back to purge tank from the purge tank water return outlet again, reciprocation cycle, the maintenance of purge tank top drug-throwing chamber is soaked medicament and is dropped into slowly in the purge tank, and reciprocation cycle is until safeguarding that medicament thoroughly dissolves thorough mixing and makes and safeguard soak solution, and the concentration weight ratio of safeguarding soak solution is 1%-1.5%.

At first close high-pressure hydraulic pump and stop reverse osmosis filtration system system water, close primer pump again and stop pretreatment system system water, close the ball valve BV-6 and the ball valve BV-15 that distribute on the conversion pipeline then, open ball valve BV-10 and prevent to generate in the water producing pipe road back pressure, destroy the coiled reverse osmosis membrane of reverse osmosis membrane filt, close water producing pipe road upper ball valve BV-8 and ball valve BV-9 and prevent to safeguard that soak solution and flushing water body flow into finished product water storage tank, open ball valve BV-13 and ball valve BV-14 in the detergent line, semi-closed ball valve BV-12, open the gentle motorized valve MV-1 that eats up part of on the pressure pipe road of ball valve BV-7 on the drain line, and the state of keeping needle-valve NV-2 is constant, keep the state of the needle-valve NV-1 on the entry filter pipeline constant, close ball valve BV-15, ball valve BV-26, ball valve BV-17, needle-valve NV-3, ball valve BV-11 and ball valve BV-19, recycle pump is squeezed into reverse osmosis filtration system to the soak solution of preparing in the purge tank of safeguarding along detergent line, the outside surface of the rolling osmosis filtration film of reverse osmosis membrane filt is washed away in cleaning, and the soak solution of safeguarding after the flushing is discharged from the drain line that ball valve BV-7 is set.

The flow of the suspended body flowmeter F-04 monitoring and maintenance soak solution in the detergent line, adjust ball valve BV-13 and ball valve BV-12 control and safeguard the flow of soak solution, keep flow low as far as possible, open ball valve BV-11 after having cleaned outside surface 3-5 minute of rolling osmosis filtration film of reverse osmosis membrane filt, close the ball valve BV-7 on the drain line, safeguarding that soak solution is flowed through is provided with the pipeline of ball valve BV-11, returns in the purge tank reciprocation cycle from the purge tank soup water return outlet of purge tank.

Open the ball valve BV-17 that soaks maintenance system, close ball valve BV-16, ball valve BV-15 and needle-valve NV-3, drain line and immersion are safeguarded that jar is communicated with, close the ball valve BV-11 of cleaning system, cut-out water producing pipe road is communicated with purge tank, regulate the ball valve BV-12 and the ball valve BV-13 of detergent line, round-robin is safeguarded the soak solution pressurization, safeguard that the soak solution ball valve BV-17 that flows through safeguards jar from soak safeguarding that a jar water inlet enters to soak, in soak safeguarding jar to safeguard that soak solution is accumulated the capacity close recycle pump of design requirements out of service, open ball valve BV-10 and ball valve BV-17, open ball valve BV-15 again, close ball valve BV-14, open ball valve BV-11 then, the water body in the emptying reverse osmosis membrane filt.

Close ball valve BV-11 and ball valve BV-10 successively, open ball valve BV-8 and ball valve BV-16, soak the maintenance jar and safeguard pipeline connection by soaking maintenance jar water outlet and immersion, soak the soak solution of safeguarding in the jar of safeguarding and safeguard that by soaking jar water outlet flows into immersion and safeguards in the pipeline, safeguard that the soak solution ball valve BV-15 that flows through enters the water producing pipe road and safeguards that soak solution is full of high-pressure pump and reverse osmosis membrane filt, fully soak the outside surface of the coiled reverse osmosis membrane in the reverse osmosis membrane filt, the ball valve BV-17 that opens plays the effect of vent valve, when being full of, high-pressure pump and reverse osmosis membrane filt open needle-valve NV-3 immediately after safeguarding soak solution, allow and safeguard that soak solution is injected into the internal surface of the inside of reverse osmosis membrane filt with abundant immersion coiled reverse osmosis membrane by the water producing pipe road, safeguard that simultaneously soak solution is full of whole water producing pipe road.

Regulate the gas in the vent valve RV-1 discharge water producing pipe road, when the soak solution overflow appears safeguarding in vent valve RV-1, be full of in the water producing pipe road and safeguard soak solution, close needle-valve NV-3, ball valve BV-15, ball valve BV-16 and ball valve BV-17, ball valve BV-6, ball valve BV-9, ball valve BV-11 and ball valve BV-14 keep closing condition, and the coiled reverse osmosis membrane in high-pressure hydraulic pump, the reverse osmosis membrane filt and all elements on the reverse osmosis system pipeline soak fully.The pH value of water body in the pH value controller monitoring water producing pipe road safeguards that in the water producing pipe road pH value of soak solution is lower than 3 on the water producing pipe road, safeguards that then soak solution is expired or oxidized, needs to change, and the pH value controller is reported to the police.

Differential pressure controller safeguards that by immersion pipeline detects the pressure at reverse osmosis membrane filt two ends on the pressure differential detection pipeline, prevent that reverse osmosis membrane filt from producing excessive back pressure and causing coiled reverse osmosis membrane to damage, when reverse osmosis membrane filt produces the pressure of the pressure of water end (W.E.) greater than water intake end, pressure difference is apart from surpassing 0.2Kg/cm ², differential pressure controller is reported to the police and is opened ball valve BV-26 and carry out pressure release.

When immersion finishes to resume operation, open and soak an immersion maintenance jar water port of safeguarding jar, safeguarding the emptying of soak solution raffinate in soak safeguarding jar, open valve ball valve BV-16, ball valve BV-17, needle-valve NV-3, ball valve BV-7, ball valve BV-8, ball valve BV-15 and ball valve BV-26, ball valve BV-9 still keeps closing condition, safeguards the soak solution raffinate from the outlet escape route of drain line.

Open ball valve BV-6, close ball valve BV-17, ball valve BV-15 and needle-valve NV-3, start primer pump with washing reverse osmosis membrane filt, water producing pipe road and drain line through pretreated former water water body, wash after 10 minutes, start high-pressure pump, enter normal product aqueous mode, the finished product water of output is discharged from the outlet of drain line through ball valve BV-26, water quality up to finished product water reaches requirement through specific conductivity controller and the check of pH value controller, open ball valve BV-9, close ball valve BV-26, water quality meets the requirements of finished product water and flows in the finished product water storage tank, and equipment recovers running.

The utility model is a reverse osmosis water production apparatus.Reasonable in design, scientific structure, compact in design, technology is integrated, and water quality is good, and efficient sealing is cheap, safe ready.Save maintenance cost, safe for drinking, and convenient management, it is guaranteed to handle back water quality.It is integrated that the present invention directly blends water quality, cleaning equipment, immersion maintenance facilities, can carry out the deep processing water treatment to the sewage of well water, seawater, tap water, surface water or preliminary treatment and make the high purity tap water, have wide range of applications, fishing boat, rural area, mountain area, especially remote mountain areas also can be applicable to the production of business-like mineral water, in water, regulate the trace element of multiple necessity, and can be used for the high-purity technical water.

Description of drawings

Below in conjunction with drawings and Examples the utility model is described in detail.

The synoptic diagram of Fig. 1 reverse osmosis water production apparatus

The synoptic diagram of the pretreatment system of Fig. 2 reverse osmosis water production apparatus

The synoptic diagram of the purge tank of Fig. 3 reverse osmosis water production apparatus

The synoptic diagram of the surge tank of Fig. 4 reverse osmosis water production apparatus

The side-view of jar is safeguarded in the immersion of Fig. 5 reverse osmosis water production apparatus

The synoptic diagram of Fig. 6 reverse osmosis membrane filt

1 purge tank water outlet; 2 purge tank water return outlets, 3 purge tank soup water return outlets, 4 purge tank water inlets; 5 purge tank water port; 6 purge tank fluid level controllers, 7 drug-throwing chambers, 8 buffering water tank water inlets; 9 buffering water tank water outlets; 10 buffering water tank water port, 11 buffering water tank fluid level controllers, 12 low-voltage protective switch; 13 soak a maintenance jar water outlet; 14 soak a maintenance jar water inlet, and 15 soak maintenance jar water port, and a jar liquid level tube is safeguarded in 16 immersions; 17 high voltage protective switches; 18 soak a maintenance jar liquid level switch, 19 reductive agent storage tanks, 20 regenerator storage tanks; 21 pretreatment systems; 22 reverse osmosis filtration systems, 23 blend system, 24 cleaning systems; 25 soak maintenance system; 26 finished products are accumulated system, and facility, 28 purge tanks are filtered in 27 pre-treatment; 29 soak the maintenance jar; 30 buffering water tanks, 31 finished product water storage tanks, 32 film filters; 33 primer pumps; 34 high-pressure hydraulic pumps, 35 recycle pumps, 36 blend recycle pump; the 37pH value controller; 38 differential pressure controllers, 39 drain lines, 40 water producing pipe roads; 41 blend pipeline; 42 detergent lines, pipeline is safeguarded in 43 immersions, 44 buffering relief lines; 45 distribute the conversion pipeline; 46 pressure differential detection pipelines, 47 Scale inhibitors storage tanks, 48 counter-flushing pipelines; 49 reverse osmosis membrane filts; 50 pre-treatment suction culverts, 51 pre-treatment outlet pipelines, 52 ultraviolet disinfectors; 53 ion exchange resin jars; 54 ozone reactors, 55 oxygenant storage tanks, 56 medium filters; 57 charcoal filters; 58 entry filter pipelines, 59 specific conductivity controllers, 60 pre-treatment recycle pumps; 61 pre-treatment emptying pipelines; 62 coiled reverse osmosis membranes, 63 reverse osmosis water inlets, the 64 reverse osmosis produced mouths of a river; 65 reverse osmosis water port; BV-1～BV-40 ball valve, NV-1～NV-3 needle-valve, the C-1～C-3 strainer of ensuring public security; CV-1～CV-6 check valve; RV-1～RV-2 vent valve, F-01～F-04 suspended body flowmeter, MV-1 motorized valve

Embodiment

Embodiment 1

By pretreatment system (21), reverse osmosis filtration system (22), blend system (23), cleaning system (24), soak maintenance system (25) and finished product and accumulate system (26) composition, pretreatment system (21) is by primer pump (33), pre-treatment suction culvert (50), counter-flushing pipeline (48), pre-treatment outlet pipeline (51) and pre-treatment are filtered facility (27) and are formed, the input aperture of primer pump (33) is connected with former water, introduce former water water body by primer pump (33), the delivery port of primer pump (33) is connected with counter-flushing pipeline (48) with pre-treatment suction culvert (50).

The former water water body that primer pump (33) is introduced is directly used in filtration system water or is used for the back flushing pre-treatment and filters facility (27), goes up series connection at pre-treatment suction culvert (50), pre-treatment outlet pipeline (51) and counter-flushing pipeline (48) pre-treatment filtration facility (27) is set.

Oxygenant storage tank (55) is connected with pre-treatment suction culvert (50), the oxygenant storage tank is provided with volume pump on (55), throw in oxygenant in proportion by volume pump in pre-treatment suction culvert (50), deleterious reductibility ion in the oxidation water body, oxygenant are used for the ferrous ion Fe in the oxidizing water ²⁺, divalent mn ion Mn ²⁺Or sulfide, making them generate water-fast suspended substance and can be, and play germicidal action by the medium filter filtering, oxygenant adopts the chlorine bleach liquor.

Scale inhibitors storage tank (47) is connected with pre-treatment outlet pipeline (51), the Scale inhibitors storage tank is provided with volume pump on (47), in pre-treatment outlet pipeline (51), add Scale inhibitors in proportion by volume pump, prevent that too high causing of water body hardness from forming insoluble incrustation scale on reverse osmosis membrane surface, as shown in Figure 1 and Figure 2.

Embodiment 2

Distribute an end of conversion pipeline (45) to be connected with the ball valve BV-4 of pre-treatment outlet pipeline (53), the other end and the reverse osmosis filtration system (22) that distribute conversion pipeline (45), blend system (23), cleaning system (24) is connected with immersion maintenance system (25), distribute the other end of conversion pipeline (45) to be connected with the high-pressure hydraulic pump (34) of reverse osmosis filtration system (22), distribute on the conversion pipeline (45) ball valve BV-18 is set, security personnel's strainer C-1, ball valve BV-6 and check valve CV-1, ball valve BV-14 and ball valve BV-15, before security personnel's strainer C-1, ball valve BV-18 is set and is divided into two-way, the pipeline that one route is provided with ball valve BV-18 links with the buffering water tank water inlet (8) of blending the buffering water tank (30) of system (23), and be connected with the pipeline of cleaning system (24) by the pipeline that check valve CV-5 and ball valve BV-19 are set, another route is provided with security personnel's strainer C-1, the pipeline of ball valve BV-6 and check valve CV-1 respectively with cleaning system (24), soaking maintenance system (25) is connected with reverse osmosis filtration system (22).Be connected with the detergent line (42) of cleaning system (24) by the pipeline that ball valve BV-14 is set; safeguard that with the immersion of soaking maintenance system (25) pipeline (43) is connected by the pipeline that ball valve BV-15 is set; high-pressure hydraulic pump (34) by pipeline and reverse osmosis filtration system (22) is connected to form pretreated water body single current to entering reverse osmosis filtration system (22), before the water-in of high-pressure hydraulic pump (34) He behind the water outlet low-voltage protective switch (12) and high voltage protective switch (17) is set respectively.

Reverse osmosis filtration system (22) comprises high-pressure hydraulic pump (34), entry filter pipeline (58), reverse osmosis membrane filt (49), water producing pipe road (40) and drain line (39), the output terminal of high-pressure hydraulic pump (34) is connected with the entry filter pipeline (58) that needle-valve NV-1 is set, entry filter pipeline (58) is connected with the reverse osmosis water inlet (63) of reverse osmosis membrane filt (49), the reverse osmosis produced mouth of a river (64) of reverse osmosis membrane filt (49) is connected with an end of water producing pipe road (40), the reverse osmosis water port (65) of reverse osmosis membrane filt (49) is connected with drain line (39), and the other end of water producing pipe road (40) is connected with the water-in that finished product is accumulated the finished product water storage tank (31) of system (26).

Low-voltage protective switch (12) is set on the entry filter pipeline (58); high-pressure hydraulic pump (34); high voltage protective switch (17); needle-valve NV-1; reverse osmosis membrane filt (49); reverse osmosis membrane filt (49) is the hollow sealing pressurized vessel; at least 2 coiled reverse osmosis membranes (62) that the RO film cascade connects in the pressurized vessel; water enters in the reverse osmosis membrane filt (49) to filter water body is divided into by coiled reverse osmosis membrane (62) from reverse osmosis water inlet (63) and produces water and waste water, produces water and waste water separately respectively from the reverse osmosis produced mouth of a river (64) and reverse osmosis water port (65) flow through water producing pipe road (40) and drain line (39) discharge.

Specific conductivity controller (59) is set on the water producing pipe road (40), pH value controller (37), vent valve RV-1, suspended body flowmeter F-01, ball valve BV-8, check valve CV-6 and ball valve BV-9, the other end on water producing pipe road (40) is connected with the water-in that finished product is accumulated the finished product water storage tank (31) of system (26), on water producing pipe road (40) and drain line (39), a reverse osmosis membrane filt (49) is set at least, pretreated water body enters reverse osmosis membrane filt (49) and filters after the supercharging of high-pressure hydraulic pump (34), the water body of supercharging is flowed through behind the reverse osmosis membrane filt (49), portion water sees through coiled reverse osmosis membrane (62) under pressure becomes the finished product water storage tank (31) that finished product product water multiparity water lines (40) inflow finished product is accumulated system (26), another part water body and ion are held back by coiled reverse osmosis membrane (62), discharge by drain line (39) from reverse osmosis water port (65).

Reverse osmosis membrane filt (49) is connected with drain line (39), needle-valve NV-2, suspended body flowmeter F-02 and ball valve BV-7 are set on the drain line (39), needle-valve NV-2 formation buffering in parallel relief line (44) with motorized valve MV-1, regulate motorized valve MV-1 and slowly close and guarantee that the pressure that reverse osmosis membrane filt (49) bears can not uprush in moment after high-pressure pump (34) starts, metering pin valve NV-1 and needle-valve NV-2 adjust reverse osmosis membrane filt (49) interior operating pressure and flow to reach desirable value.

Connect the pipeline that ball valve BV-26 is set between water producing pipe road (40) and the drain line (39), be communicated with water producing pipe road (40) and drain line (39), open the flushing waste that ball valve BV-26 discharges flushing water producing pipe road (40), as shown in Figure 1 and Figure 2.

Embodiment 3

Blend system (23) and comprise buffering water tank (30), blend recycle pump (36) and blend pipeline (41), the buffering water tank water inlet (8) of blending the buffering water tank (30) of system (23) is connected with the ball valve BV-18 that distributes conversion pipeline (45), pretreated water body shunting enters in the buffering water tank (30), buffering water tank (30) integral body is airtight hollow barrel, top is provided with buffering water tank water inlet (8), buffering water tank water inlet (8) is connected with ball valve BV-18, the bottom is provided with buffering water tank water outlet (9) and buffering water tank water port (10), buffering water tank water outlet (9) by ball valve BV-20 with blend recycle pump (36) input terminus and be connected, the side of buffering water tank (30) is provided with buffering water tank fluid level controller (11), buffering water tank fluid level controller (11) is provided with upper limit water level switch and lower limit water level switch in buffering water tank (30), upper limit water level and lower limit water level in the monitoring buffering water tank (30), the open and close of buffering water tank fluid level controller (11) control ball valve BV-18.

Blend recycle pump (36) output terminal and blend pipeline (41) and be connected, blend the other end of pipeline (41) and suspended body flowmeter F-01 is set, the water producing pipe road (40) of ball valve BV-8 and ball valve BV-9 is connected, blend on the pipeline (41) ball valve BV-21 is set, security personnel's strainer C-3, film filter (32), ball valve BV-23, ball valve BV-25, ultraviolet disinfector (52), ball valve BV-24, suspended body flowmeter F-03 and check valve CV-4 constitute the water body single current to blend pipeline (41), film filter (32) adopts microfiltration membrane or ultra-filtration membrane or microfiltration membrane/ultra-filtration membrane, film filter (32) self has counter-flushing pipeline and blow-off line, the end of ball valve BV-25 is connected with the other end of ultraviolet disinfector (52) and the other end of ball valve BV-23, the other end of ball valve BV-25 constitutes blends the sewage draining exit of pipeline (41), the water of blending in the pipeline (41) of blending enters water producing pipe road (40) in proportion, mix with reverse osmose pure-water in water producing pipe road (40) and blend, the finished product water of blending that mixes after blending enters finished product by ball valve BV-9 and accumulates in the finished product water storage tank (31) of system (26).

The buffering water tank water inlet (8) of buffering water tank (30) is connected with detergent line (42) by pipeline, check valve CV-5 and ball valve BV-19 is set on the pipeline constitutes the scavenging solution single current to entering buffering water tank (30), as Fig. 1, Fig. 2, shown in Figure 4.

Embodiment 4

Cleaning system (24) comprises purge tank (28), detergent line (42) and recycle pump (35), purge tank (28) integral body is airtight hollow barrel, on the tank skin of purge tank (28) top purge tank water outlet (1) is set, purge tank water return outlet (2), purge tank soup water return outlet (3), purge tank water inlet (4), purge tank water port (5) and purge tank fluid level controller (6), purge tank water inlet (4) is connected with water producing pipe road (40) by the pipeline that ball valve BV-10 is set, the finished product water on water producing pipe road (40) enters purge tank (28), purge tank soup water return outlet (3) safeguards that with drain line (39) and the immersion of soaking maintenance jar (29) a jar water inlet (14) is connected by the pipeline that ball valve BV-11 and ball valve BV-17 are set, purge tank water return outlet (2) is connected with detergent line (42) by the pipeline that ball valve BV-12 is set, the top ends of purge tank (28) is provided with drug-throwing chamber (7), medicament is safeguarded in placement cleaning agent or immersion in the drug-throwing chamber (7), the bottom of purge tank (28) is provided with purge tank water outlet (1) and purge tank water port (5), purge tank water outlet (1) is connected with the input terminus of recycle pump (35), the side of purge tank (28) is provided with purge tank fluid level controller (6), the liquid level in purge tank fluid level controller (6) the control purge tank (28).Start recycle pump (35) water body that adds medicament in the purge tank (28) is circulated through purge tank water outlet (1) and purge tank water return outlet (2), dissolving, confection or be sent to follow-up pipeline.

The output terminal of recycle pump (35) is connected with detergent line (42), one end of detergent line (42) is connected with the distribution conversion pipeline (45) that ball valve BV-14 is set, security personnel's strainer C-2, suspended body flowmeter F-04, check valve CV-3 and ball valve BV-13 are set, as Fig. 1, Fig. 2, shown in Figure 3 in the detergent line (42).

Embodiment 5

Soak maintenance system (25) and comprise immersion maintenance jar (29), soak and protect dimension pipeline (43) and pressure differential detection pipeline (46), soak and safeguard that jar (29) integral body is airtight hollow barrel, soak and safeguard that jar (29) top is provided with immersion and safeguards a jar water inlet (14), soak and safeguard jar liquid level switch (18) and vent valve RV-2, soak and safeguard that a jar water inlet (14) is connected with drain line (39) by the pipeline that ball valve BV-17 is set, and be communicated with the purge tank soup water return outlet (3) of purge tank (28), soaking the bottom of safeguarding jar (29) is provided with immersion maintenance jar water outlet (13) and soaks a maintenance jar water port (15), soak a maintenance jar water outlet (13) and safeguard that with immersion pipeline (43) is connected by the pipeline that ball valve BV-16 is set, one side of soaking maintenance jar (29) is provided with to soak safeguards a jar liquid level tube (16), and the liquid level of safeguarding soup in the maintenance jar (29) is soaked in an immersion maintenance jar liquid level tube (16) monitoring.

Check valve CV-2 is set safeguards that with the immersion of needle-valve NV-3 the both ends of pipeline (43) are connected with water producing pipe road (40) with the distribution conversion pipeline (45) that ball valve BV-15 is set respectively, immersion is safeguarded needle-valve NV-3 and check valve CV-2 is set on the pipeline (43), soak to safeguard that the soup of safeguarding in jar (29) safeguards that from soaking jar water outlet (13) safeguards pipeline (43) by the flow through immersion of check valve CV-2 of the pipeline that ball valve BV-16 is set, pipeline through ball valve BV-15 is set enters in the entry filter pipeline (58) to soak from the water intake end of reverse osmosis membrane filt (49) safeguards the outside surface of coiled reverse osmosis membrane (62), soak to safeguard that the soup of safeguarding in jar (29) safeguards that from soaking jar water outlet (13) safeguards that by the flow through immersion of needle-valve NV-3 of the pipeline that ball valve BV-16 is set pipeline (43) enters the water producing pipe road (40), soak from the product water section of reverse osmosis membrane filt (49) and safeguard the internal surface of coiled reverse osmosis membrane (62).

Safeguard that in immersion pipeline (43) is arranged in parallel pressure differential detection pipeline (46), differential pressure controller (38) is set on the pressure differential detection pipeline (46) constitutes pressure differential detection pipeline (46), pipeline (43) is safeguarded with the immersion that check valve CV-2 is set in one end of pressure differential detection pipeline (46), be connected, the other end of pressure differential detection pipeline (46) safeguards that with the immersion that needle-valve NV-3 is set pipeline (43) is connected, the pressure difference of the interior coiled reverse osmosis membrane of reverse osmosis membrane filt (49) (62) surfaces externally and internally on pressure differential detection pipeline (46) the monitoring water producing pipe road (40) is as Fig. 1, shown in Figure 4.

Embodiment 6

Blend system (23) buffering water tank (30), cleaning system (24) purge tank (28) and soak maintenance system (25) and soak and safeguard that jar (29) are according to actual demand design tank body volume, the tank body volume of buffering water tank (30) is greater than the tank body volume of purge tank (28), the tank body volume of purge tank (28) is greater than soaking the tank body volume of safeguarding jar (29), as Fig. 1, shown in Figure 5.

Embodiment 7

Pre-treatment is filtered facility (27) and is comprised medium filter (56), charcoal filter (57) and ion exchange resin jar (53), and medium filter (56) can use one, also can be arranged in parallel 2 at least.

Ball valve BV-1, ball valve BV-3, ball valve BV-39 and ball valve BV-40 are set on the pre-treatment suction culvert (50), ball valve BV-2, ball valve BV-36, ball valve BV-30, ball valve BV-4 and pre-treatment emptying pipeline (61) are set on the counter-flushing pipeline (48), on the pre-treatment emptying pipeline (61) ball valve BV-5 are set.Medium filter (56) top water inlet is connected with the pipeline that ball valve BV-29 is set, the pipeline that ball valve BV-29 is set is connected with pre-treatment suction culvert (50), medium filter (56) bottom water outlet is connected with the pipeline that ball valve BV-33 is set, the pipeline that ball valve BV-33 is set is connected with counter-flushing pipeline (48), constitutes the media filtration pipeline.The top water inlet of charcoal filter (57) is connected with the pipeline that ball valve BV-35 is set with the pipeline that ball valve BV-31 is set, the pipeline that ball valve BV-31 is set is connected with pre-treatment suction culvert (50), the pipeline that ball valve BV-35 is set is connected with counter-flushing pipeline (48), the bottom water outlet of charcoal filter (57) is connected with the pipeline that ball valve BV-37 is set, the pipeline that ball valve BV-37 is set is connected with counter-flushing pipeline (48), constitutes the active carbon filtration pipeline.The top water inlet of ion exchange resin jar (53) is connected with the pipeline that ball valve BV-38 is set with the pipeline that ball valve BV-32 is set, ball valve BV-32 pipeline is set to be connected with pre-treatment suction culvert (50), the pipeline that ball valve BV-38 is set is connected with counter-flushing pipeline (48), the bottom water outlet of ion exchange resin jar (53) is connected with the pipeline that ball valve BV-34 is set, the pipeline that ball valve BV-34 is set is connected with counter-flushing pipeline (48), constitutes the ion exchange resin filter pipeline.Close ball valve BV-4 and ball valve BV-5, open ball valve BV-3 and constitute counter-flushing pipeline (48), the state that opens or closes by Combined ball valve BV-1, ball valve BV-2, ball valve BV-30, ball valve BV-35, ball valve BV-36, ball valve BV-38, ball valve BV-39 and ball valve BV-40 constitutes counter-flushing pipeline (48), with former water water body back flushing medium filter successively (56), charcoal filter (57) and ion exchange resin jar (53), the water body of back flushing is outside ball valve BV-3 escape route.Close ball valve BV-2, ball valve BV-3, ball valve BV-5, ball valve BV-36, ball valve BV-30, ball valve BV-31, ball valve BV-32, ball valve BV-39 and ball valve BV-40, open other ball valve and constitute the former water water body of pre-treatment outlet pipeline (51) filtration treatment, close ball valve BV-4, open the water body in the ball valve BV-5 emptying pre-treatment filtration facility (27) on the pre-treatment emptying pipeline (61).

The water-in of medium filter (56) is connected with pre-treatment suction culvert (50) by the pipeline that ball valve BV-29 is set, water body in the pre-treatment suction culvert (50) enters insoluble impurity in medium filter (56) the filtering water body, the water outlet of medium filter (56) is connected with pre-treatment outlet pipeline (51) by the pipeline that ball valve BV-33 is set, water body after filtering is sent into pre-treatment outlet pipeline (51), the water-in of medium filter (56-1) is connected with pre-treatment suction culvert (50) by the pipeline that ball valve BV-29 ' is set, water body in the pre-treatment suction culvert (50) enters the impurity in medium filter (56-1) the filtering water body, the water outlet of medium filter (56-1) is connected with pre-treatment outlet pipeline (51) by the pipeline that ball valve BV-33 ' is set, and the water body after filtering is sent into pre-treatment outlet pipeline (51).

The water-in of charcoal filter (57) is connected with pre-treatment outlet pipeline (51) with pre-treatment suction culvert (50) respectively by pipeline that ball valve BV-31 is set and the pipeline that ball valve BV-35 is set, entering in the charcoal filter (57) by the pipeline that ball valve BV-35 is set through the water body after medium filter (56) filtration in the pre-treatment outlet pipeline (51), surplus fluorine and peculiar smell in the filtering water body, the water outlet of charcoal filter (57) is connected with pre-treatment outlet pipeline (51) by the pipeline that ball valve BV-37 is set, and the water body after filtering is sent into pre-treatment outlet pipeline (51).

Reductive agent storage tank (19) is connected with pre-treatment outlet pipeline (51), and the reductive agent storage tank is provided with volume pump on (19), by the volume pump chlorine residue in the input reductive agent removal water body in pre-treatment outlet pipeline (51) in proportion.

The water-in of ion exchange resin jar (53) is connected with pre-treatment outlet pipeline (51) with pre-treatment suction culvert (50) respectively by pipeline that ball valve BV-32 is set and the pipeline that ball valve BV-38 is set, water body after activated charcoal filter (57) filters in the pre-treatment outlet pipeline (51) is entered the hardness that reduces water body in the ion exchange resin jar (53) by the pipeline that ball valve BV-38 is set, the water outlet of ion exchange resin jar (53) is connected with pre-treatment outlet pipeline (51) by the pipeline that ball valve BV-34 is set, and the water body after filtering is sent into pre-treatment outlet pipeline (51).

Regenerator storage tank (20) is connected with the input aperture of pre-treatment recycle pump (60), the delivery port of pre-treatment recycle pump (60) is connected with the water outlet of ion exchange resin jar (53) by the pipeline that ball valve BV-40 is set, when the resins exchange ability of ion exchange resin jar (53) is expired, close ball valve BV-4, ball valve BV-5, ball valve BV-30, ball valve BV-38 and ball valve BV-40, the regenerative agent of regenerator storage tank (20) is sent into the interior manipulation of regeneration of ion exchange resin jar (53) by pre-treatment recycle pump (60).

Embodiment 8

Finished product is accumulated system (26) and is made up of finished product water storage tank (31) and ozone reactor (54), finished product water storage tank (31) top sets into the mouth of a river, the water inlet of finished product water storage tank (31) is connected with water producing pipe road (40) ball valve BV-9, ozone reactor (54) is connected with the bottom of finished product water storage tank (31), the finished product water discharging ozone of ozone reactor (54) in finished product water storage tank (31), ozone and finished product water fully react sterilization, the bottom finished product water outlet of finished product water storage tank (31) is connected with ball valve BV-27, the bottom sewage draining exit of finished product water storage tank (31) is connected with ball valve BV-28, as shown in Figure 1.

Embodiment 9

The primer pump (33) of pretreatment system (21) draws former water, former water is well water, seawater, tap water, the sewage of surface water or preliminary treatment, primer pump (33) is former water input pre-treatment suction culvert (50), open ball valve BV-1 on the pre-treatment suction culvert (50) and the ball valve BV-4 on the pre-treatment outlet pipeline (51), close ball valve BV-3, ball valve BV-2, ball valve BV-5, ball valve BV-36, ball valve BV-39, ball valve BV-40, ball valve BV-31, ball valve BV-32 and ball valve BV-30, former water enters pre-treatment suction culvert (50) by primer pump (33), oxygenant storage tank (55) is thrown in the reductibility ion in the oxygenant oxidation water body in proportion in pre-treatment suction culvert (50), form precipitation and enter medium filter (56) back filtering or kill mushroom in the former water, alga microbial.

Water body enters in the medium filter (56) through the water-in that the pipeline that ball valve BV-29 is set filters the medium filter (56) of facility (27) from pre-treatment from pre-treatment suction culvert (50), impurity in the filtering water body, water body after the filtration enters in the pre-treatment outlet pipeline (51) through the pipeline that ball valve BV-33 is set from the water outlet of medium filter (56), and several medium filters (56) that are connected in parallel on pre-treatment suction culvert (50) and the pre-treatment outlet pipeline (51) carry out media filtration simultaneously.

Water body after the filtration is entered in the activated charcoal filter (57) through pipeline that ball valve BV-35 the is set water-in from activated charcoal filter (57) by pre-treatment outlet pipeline (51), chlorine residue in the filtering water body and peculiar smell, the water body after the filtration enters pre-treatment outlet pipeline (51) from the water outlet of activated charcoal filter (57) through the pipeline that ball valve BV-37 is set.

Reductive agent storage tank (19) drops into reductive agent in proportion in pre-treatment outlet pipeline (51), reductive agent is removed the chlorine residue of filtering in the water body of back.

Water body enters in the ion exchange resin jar (53) through pipeline that ball valve BV-38 the is set water-in from ion exchange resin jar (53), reduce the hardness of water body, the water body after the processing enters pre-treatment outlet pipeline (51) from the water outlet of ion exchange resin jar (53) through the pipeline that ball valve BV-34 is set.

Scale inhibitors storage tank (47) adds Scale inhibitors in proportion and prevents that too high causing of water body hardness from forming insoluble incrustation scale on the reverse osmosis membrane surface in pre-treatment outlet pipeline (51).

Former water flows out from pre-treatment outlet pipeline (51) after pre-treatment, and the pipeline through ball valve BV-4 is set enters and distributes conversion pipeline (45).

Water body is after security personnel's strainer C-1 filters, the pipeline that ball valve BV-6 and check valve CV-1 are set of flowing through enters reverse osmosis filtration system (22), close the ball valve BV-18 that distributes on the conversion pipeline (45), ball valve BV-14 and ball valve BV-15, close ball valve BV-10 and ball valve BV-11 in the detergent line (42), close and soak ball valve BV-17 and the needle-valve NV-3 that safeguards on the pipeline (43), open ball valve BV-8 and ball valve BV-9 on the water producing pipe road (40), open needle-valve NV-2 and ball valve BV-7 on the drain line (39), open the motorized valve MV-1 on the buffering relief line (44), close the ball valve BV-26 on the drain line (39).

Start high-pressure hydraulic pump (34) to the water body supercharging; reach the operating pressure that designing institute needs; before the water-in of high-pressure pump (34) and the saturated switch of low pressure (12) that is provided with respectively behind the water outlet and high voltage protective switch (17) limit the bound of water body pressure to protect high-pressure hydraulic pump (34); water body enters reverse osmosis membrane filt (49) through needle-valve NV-1 from reverse osmosis water inlet (63); the coiled reverse osmosis membrane (62) of reverse osmosis membrane filt (49) only allows water molecules to pass through; stop most of solute ions to be passed through; motorized valve MV-1 and needle-valve NV-2 are in open mode in the starting stage; guarantee that the pressure that reverse osmosis membrane filt (49) bears can not uprush in moment; high-pressure hydraulic pump (34) started after for some time; slowly close motorized valve MV-1, the flooding velocity and the pressure on metering pin valve NV-1 and needle-valve NV-2 control water producing pipe road (40).

Finished product current after reverse osmosis membrane filt (49) filters through specific conductivity controller (59) and pH controller (37) to finished product water monitoring specific conductivity and pH value, the finished product current through suspended body flowmeter F-01 to finished product water statistic flow, finished product water flows into finished product by ball valve BV-8 and ball valve BV-9 and accumulates in the finished product water storage tank (31) of system (26), the finished product water discharging ozone of ozone reactor (54) in finished product water storage tank (31), ozone and finished product water fully react sterilization, finished product water is placed after 24 hours promptly drinkable, as shown in Figure 1 and Figure 2.

Embodiment 10

The primer pump (33) of pretreatment system (21) draws former water, former water is well water, seawater, tap water, the sewage of surface water or preliminary treatment, primer pump (33) is former water input pre-treatment suction culvert (50), open ball valve BV-1 on the pre-treatment suction culvert (50) and the ball valve BV-4 on the pre-treatment outlet pipeline (51), close ball valve BV-3, ball valve BV-2, ball valve BV-5, ball valve BV-36, ball valve BV-39, ball valve BV-31, ball valve BV-32, ball valve BV-40 and ball valve BV-30, former water enters pre-treatment suction culvert (50) by primer pump (33), oxygenant storage tank (55) is thrown in the reductibility ion in the oxygenant oxidation water body in proportion in pre-treatment suction culvert (50), form precipitation and enter medium filter (56) back filtering or kill mushroom in the former water, alga microbial.

Water body enters in the medium filter (56) through the water-in that the pipeline that ball valve BV-29 is set filters the medium filter (56) of facility (27) from pre-treatment from pre-treatment suction culvert (50), impurity in the filtering water body, water body after the filtration enters in the pre-treatment outlet pipeline (51) through the pipeline that ball valve BV-33 is set from the water outlet of medium filter (56), and several medium filters (56) that are connected in parallel on pre-treatment suction culvert (50) and the pre-treatment outlet pipeline (51) carry out media filtration simultaneously.

Water body after the filtration enters in the activated charcoal filter (57) through pipeline that ball valve BV-35 the is set water-in from activated charcoal filter (57), remove chlorine residue and peculiar smell in the water body, the water body after the filtration enters pre-treatment outlet pipeline (51) from the water outlet of activated charcoal filter (57) through the pipeline that ball valve BV-37 is set.

Reductive agent storage tank (19) drops into reductive agent in proportion in pre-treatment outlet pipeline (51), reductive agent is removed the chlorine residue of filtering in the water body of back.

Water body enters in the ion exchange resin jar (53) through pipeline that ball valve BV-38 the is set water-in from ion exchange resin jar (53), reduce the hardness of water body, the water body after the processing enters pre-treatment outlet pipeline (51) from the water outlet of ion exchange resin jar (53) through the pipeline that ball valve BV-34 is set.

Scale inhibitors storage tank (47) adds Scale inhibitors in proportion and prevents that too high causing of water body hardness from forming insoluble incrustation scale on the reverse osmosis membrane surface in pre-treatment outlet pipeline (51).

Former water flows out from pre-treatment outlet pipeline (51) after pre-treatment, enters through ball valve BV-4 and distributes conversion pipeline (45).Water body is after security personnel's strainer C-1 filters, flow through ball valve BV-6 and check valve CV-1 enters reverse osmosis filtration system (22), close the ball valve BV-18 that distributes on the conversion pipeline (45), ball valve BV-14 and ball valve BV-15, close ball valve BV-10 and ball valve BV-11 in the detergent line (42), close and soak ball valve BV-17 and the needle-valve NV-3 that safeguards on the pipeline (43), open ball valve BV-8 and ball valve BV-9 on the water producing pipe road (40), open needle-valve NV-2 and ball valve BV-7 on the drain line (39), open the motorized valve MV-1 on the buffering relief line (44), close the ball valve BV-26 on the drain line (39).

Start high-pressure hydraulic pump (34) to the water body supercharging, reach the operating pressure that designing institute needs, water body enters reverse osmosis membrane filt (49) through needle-valve NV-1, coiled reverse osmosis membrane (62) in the reverse osmosis membrane filt (49) only allows water molecules to pass through, stop most of solute ions to be passed through, motorized valve MV-1 and needle-valve NV-2 are in open mode in the starting stage, guarantee that the pressure that reverse osmosis membrane filt (49) bears can not uprush in moment, high-pressure hydraulic pump (34) started after for some time, slowly close motorized valve MV-1, the flooding velocity and the pressure on metering pin valve NV-1 and needle-valve NV-2 control water producing pipe road (40).

Finished product current after reverse osmosis membrane filt (49) filters through specific conductivity controller (59) and pH controller (37) to finished product water monitoring specific conductivity and pH value, the finished product current through suspended body flowmeter F-01 to finished product water statistic flow.

In reverse osmosis filtration system (22) system water, open ball valve BV-18, enter in the buffering water tank (30) from buffering water tank water inlet (8) by the pipeline that ball valve BV-18 is set through pretreated water body, startup is blent recycle pump (36) and is extracted pretreated water body by the pipeline that ball valve BV-20 is set from the buffering water tank water outlet (9) that cushions water tank (30), and be transported to and blend pipeline (41), water body is by being provided with ball valve BV-21, the pipeline of security personnel strainer C-3 and ball valve BV-22, after filtering, security personnel's strainer C-3 imports in the film filter (32), remove impurity and harmful microorganism, make through ultraviolet disinfector (52) disinfection by the pipeline that ball valve BV-23 is set again and blend water body, the water body of making of blending is flowed through ball valve BV-24 is set, the pipeline of suspended body flowmeter F-03 and check valve CV-4 enters in the water producing pipe road (40), the finished product water of blending water body and the pipeline that ball valve BV-8 is set of flowing through is mixed in proportion in water producing pipe road (40) to be blent, the water yield of blending water body is by ball valve BV-22 and ball valve BV-23 regulation and control, the pipeline of finished product water after blending through ball valve BV-9 is set flows into finished product and accumulates in the finished product water storage tank (31) of system (26), the finished product water discharging ozone of ozone reactor (54) in finished product water storage tank (31), ozone and finished product water fully react sterilization, finished product water is placed after 24 hours promptly drinkable, as Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5.

Embodiment 11

Finished product is accumulated in the finished product water storage tank (31) of system (26) and is accumulated the finished product water of being made by reverse osmosis filtration system (22), the high-pressure hydraulic pump (34) of closing reverse osmosis filtration system (22) stops reverse osmosis filtration system (22) and makes finished product water, open the ball valve BV-18 that distributes on the conversion pipeline (45), close the ball valve BV-6 that distributes on the conversion pipeline (45) and the ball valve BV-8 of water producing pipe road (40), filtering water body after facility (27) filters through pre-treatment from pre-treatment flows into the pipeline that ball valve BV-18 is set and enters in the buffering water tank (30) of the system of blending (23), start and to blend the pipeline of recycle pump (36) by ball valve BV-20 is set and extract pretreated water body and be pressed and delivered to from the buffering water tank water outlet (9) of buffering water tank (30) and blend pipeline (41), water body is by being provided with ball valve BV-21, the pipeline of security personnel strainer C-3 and ball valve BV-22, after filtering, security personnel's strainer C-3 imports in the film filter (32), remove impurity and harmful microorganism, make through ultraviolet disinfector (52) disinfection by the pipeline that ball valve BV-23 is set again and blend water body, the water body of making of blending is flowed through ball valve BV-24 is set, the pipeline of suspended body flowmeter F-03 and check valve CV-4 enters water producing pipe road (40), blending water body accumulates in the finished product water storage tank (31) of system (26) through the pipeline inflow finished product that ball valve BV-9 is set, blending finished product water that water body makes with reverse osmosis filtration system (22) in finished product water storage tank (31) is mixed in proportion and blends, blending the water yield of water body is calculated by the flow that product water time of blending water and spinner-type flowmeter F-03 read, reaching the required water yield then closes and blends recycle pump (36) and close ball valve BV-18, the finished product water discharging ozone of ozone reactor (54) in finished product water storage tank (31), ozone and finished product water fully react sterilization, finished product water is placed after 24 hours promptly drinkable, as Fig. 1, shown in Figure 4.

Embodiment 12

Close high-pressure hydraulic pump (34) and stop reverse osmosis filtration system (22) system water, open ball valve BV-3, close ball valve BV-4 and ball valve BV-5, primer pump (33) is in former water input counter-flushing pipeline (48) or the pre-treatment suction culvert (50), by Combined ball valve BV-1, ball valve BV-2, ball valve BV-30, ball valve BV-35, ball valve BV-36, ball valve BV-38, ball valve BV-39 and ball valve BV-40 open and closing condition, back flushing medium filter (56) successively, activated charcoal filter (57) and ion exchange resin jar (53), former water enters pre-treatment by ball valve BV-2 from pre-treatment outlet pipeline (51) and filters facility (27) back flushing, and the pre-treatment suction culvert (50) that the back flushing water body flows into pretreated filter facility (27) top together with the impurity pipeline that ball valve BV-3 is set of flowing through is discharged.

When the medium filter (56) of facility (27) is filtered in the back flushing pre-treatment, open ball valve BV-29, ball valve BV-2, ball valve BV-33, ball valve BV-3, ball valve BV-39 and ball valve BV-40, close ball valve BV-1, ball valve BV-31, ball valve BV-32, ball valve BV-35, ball valve BV-4, ball valve BV-5 and ball valve BV-36, start primer pump (33) former water input counter-flushing pipeline (48), the pipeline of the water body of back flushing through ball valve BV-33 is set enters back flushing medium filter (56) in the medium filter (56) from the water outlet of medium filter (56), the water body of back flushing flows out together with the water-in of impurity from medium filter (56), pipeline through ball valve BV-29 is set enters pre-treatment suction culvert (50), the pipeline discharging of flowing through ball valve BV-3 being set; Use when a plurality of medium filters are in parallel, other medium filters in parallel of back flushing adopt the same operation method, and a plurality of medium filters of back flushing simultaneously are as Fig. 1, Fig. 2, shown in Figure 6.

Embodiment 13

Close high-pressure hydraulic pump (34) and stop reverse osmosis filtration system (22) system water, open ball valve BV-3, close ball valve BV-4, ball valve BV-5, primer pump (33) is in former water input counter-flushing pipeline (48) or the pre-treatment suction culvert (50), by Combined ball valve BV-1, ball valve BV-2, ball valve BV-30, ball valve BV-35, ball valve BV-36, ball valve BV-38, ball valve BV-39 and ball valve BV-40 open and closing condition, back flushing medium filter (56) successively, activated charcoal filter (57) and ion exchange resin jar (53), former water enters pre-treatment by ball valve BV-2 from pre-treatment outlet pipeline (51) and filters facility (27) back flushing, and the pre-treatment suction culvert (50) that the back flushing water body flows into pretreated filter facility (27) top together with the impurity pipeline that ball valve BV-3 is set of flowing through is discharged.

When the activated charcoal filter (57) of facility (27) is filtered in the back flushing pre-treatment, open ball valve BV-1, ball valve BV-29, ball valve BV-33, ball valve BV-31, ball valve BV-40, ball valve BV-36, ball valve BV-37 and ball valve BV-3, close ball valve BV-2, ball valve BV-34, ball valve BV-30, ball valve BV-32, ball valve BV-4, ball valve BV-5, ball valve BV-35, ball valve BV-38 and ball valve BV-39, start primer pump (33) former water input pre-treatment suction culvert (50), former water enters counter-flushing pipeline (48) after medium filter (56) filters become backwashing water, the water body of the back flushing pipeline that ball valve BV-37 is set of flowing through enters the interior back flushing activated charcoal filter of activated charcoal filter (57) (57) from activated charcoal filter (57) water outlet, the water body of back flushing flows out together with the water-in of impurity from activated charcoal filter (57), pipeline through ball valve BV-31 is set enters pre-treatment suction culvert (50), the pipeline discharging of flowing through ball valve BV-3 being set is as Fig. 1, Fig. 2, Fig. 3, shown in Figure 4.

Embodiment 14

Close high-pressure hydraulic pump (34) and stop reverse osmosis filtration system (22) system water, open ball valve BV-3, close ball valve BV-4, ball valve BV-5, primer pump (33) is in former water input counter-flushing pipeline (48) or the pre-treatment suction culvert (50), by Combined ball valve BV-1, ball valve B V-2, ball valve BV-30, ball valve BV-35, ball valve BV-36, ball valve BV-38, ball valve BV-39 and ball valve BV-40 open and closing condition, back flushing medium filter (56) successively, activated charcoal filter (57) and ion exchange resin jar (53), former water enters pre-treatment by ball valve BV-2 from pre-treatment outlet pipeline (51) and filters facility (27) back flushing, and the pre-treatment suction culvert (50) that the back flushing water body flows into pretreated filter facility (27) top together with the impurity pipeline that ball valve BV-3 is set of flowing through is discharged.

When back flushing ion exchange resin jar (53), open ball valve BV-1, ball valve BV-29, ball valve BV-33, ball valve BV-35, ball valve BV-3, ball valve BV-37, ball valve BV-30, ball valve BV-32 and ball valve BV-34, close ball valve BV-2, ball valve BV-4, ball valve BV-5, ball valve BV-39, ball valve BV-40, ball valve BV-36, ball valve BV-31 and ball valve BV-38, start primer pump (33) water body input pre-treatment suction culvert (50), former water enters counter-flushing pipeline (48) afterwards through medium filter (56) and charcoal filter (57) becomes backwashing water, the pipeline of the water body of back flushing through ball valve BV-34 is set enters back flushing ion exchange resin jar (53) in the ion exchange resin jar (53) from the water outlet of ion exchange resin jar (53), the water body of back flushing flows out from ion exchange resin jar (53) water-in together with impurity, pipeline through ball valve BV-32 is set enters pre-treatment suction culvert (50), the pipeline discharging of flowing through ball valve BV-3 being set is as Fig. 1, shown in Figure 2.

Embodiment 15

Close high-pressure hydraulic pump (34) and stop reverse osmosis filtration system (22) system water, open ball valve BV-3, close ball valve BV-4, ball valve BV-5, primer pump (33) is in former water input counter-flushing pipeline (48) or the pre-treatment suction culvert (50), by Combined ball valve BV-1, ball valve BV-2, ball valve BV-30, ball valve BV-35, ball valve BV-36, ball valve BV-38, ball valve BV-39 and ball valve BV-40 open and closing condition, back flushing medium filter (56) successively, activated charcoal filter (57) and ion exchange resin jar (53), former water enters pre-treatment by ball valve BV-2 from pre-treatment outlet pipeline (51) and filters facility (27) back flushing, and the pre-treatment suction culvert (50) that the back flushing water body flows into pretreated filter facility (27) top together with the impurity pipeline that ball valve BV-3 is set of flowing through is discharged.

When regenerating ion exchange resin jar (53), open ball valve BV-34, ball valve BV-32 and ball valve BV-3, close ball valve BV-4, ball valve BV-5, ball valve BV-40, ball valve BV-30 and ball valve BV-38, starting pre-treatment recycle pump (60) enters the pipeline of regenerator through ball valve BV-34 is set in the regenerator storage tank (20) in the ion exchange resin jar (53) from ion exchange resin jar (53) water outlet, after regenerator is full of ion exchange resin jar (53), close ball valve BV-32 and ball valve BV-34 successively, close pre-treatment recycle pump (60), ion exchange resin jar (53) is soaked; Open ball valve BV-32 and ball valve BV-34 successively after soaking end, start pre-treatment recycle pump (60) to ion exchange resin jar (53) flushing, regeneration, the regenerator soup that soaks ion exchange resin jar (53) flows out from ion exchange resin jar (53) water-in, pipeline through ball valve BV-32 is set enters pre-treatment suction culvert (50), the pipeline discharging of flowing through ball valve BV-3 being set, as shown in Figure 1 and Figure 2.

Embodiment 16

After facility (27) is filtered in the back flushing pre-treatment, again through just washing pretreated filter facility (27), open ball valve BV-1, ball valve BV-29, ball valve BV-33, ball valve BV-35, ball valve BV-37, ball valve BV-38, ball valve BV-34 and ball valve BV-5, close ball valve BV-2, ball valve BV-36, ball valve BV-31, ball valve BV-30, ball valve BV-32, ball valve BV-39, ball valve BV-40, ball valve BV-3 and ball valve BV-4, the keying state of other valve is with normal identical when producing water, former water water body filters facility (27) top pre-treatment suction culvert (50) by pre-treatment suction culvert (50) from pre-treatment and enters pre-treatment filtration facility (27), the water body that is just washing pretreated filter facility (27) filters pre-treatment outlet pipeline (51) outflow of facility (27) bottom from pre-treatment, discharge from the pre-treatment emptying pipeline (61) that ball valve BV-5 is set, the inner remaining impurities emptying of facility (27) is filtered in pre-treatment, just washing and returning to normal operating conditions.

Make in the process of finished product water at reverse osmosis filtration system (22), open the ball valve BV-10 of cleaning system (24), close the ball valve BV-8 on the water producing pipe road (40), finished product water is injected in the purge tank (28) by purge tank water inlet (4) from the pipeline that ball valve BV-10 is set, finished product water in the purge tank (28) reaches the amount of design, close high-pressure hydraulic pump (34) and stop reverse osmosis filtration system (22) system water, close primer pump (33) and stop pretreatment system (21) system water, close the ball valve BV-6 and the ball valve BV-15 that distribute on the conversion pipeline (45) then, open ball valve BV-10 and prevent to generate in the water producing pipe road (40) the interior coiled reverse osmosis membrane (62) of back pressure destruction reverse osmosis membrane filt (49), close water producing pipe road (40) upper ball valve BV-8 and ball valve BV-9 and prevent that cleaning agent water body and flushing water body from flowing into finished product water storage tank (31), close ball valve BV-13, open ball valve BV-12, starting recycle pump (35) allows water body extract out from the purge tank water outlet (1) of purge tank (28), enter detergent line (42), flow through security personnel's strainer C-2 is set, the pipeline of suspended body flowmeter F-04 and ball valve BV-12, get back in the purge tank (28) from purge tank water return outlet (2) again, reciprocation cycle, the cleaning agent of purge tank (28) top drug-throwing chamber (7) drops in the purge tank (28) slowly, moving recycle pump (35) reciprocation cycle is thoroughly dissolved thorough mixing until cleaning agent, and the concentration weight ratio of cleaning agent is 1%-1.5%.

At first closing high-pressure hydraulic pump (34) stops to supply water to reverse osmosis filtration system (22), close primer pump (33) again and stop pretreatment system (21) system water, close the ball valve BV-6 and the ball valve BV-15 that distribute on the conversion pipeline (45) then, open ball valve BV-10 and prevent that coiled reverse osmosis membrane (62) from upward generating back pressure, reverse osmosis membrane (62) when destroying the volume of reverse osmosis membrane filt (49), close water producing pipe road (40) upper ball valve BV-8 and ball valve BV-9, prevent that cleaning agent water body and flushing water body from flowing in the finished product water storage tank (31), open ball valve BV-13 and ball valve BV-14 in the line detergent line (42), semi-closed ball valve BV-12, open the gentle motorized valve MV-1 that eats up part of on the pressure pipe road (44) of ball valve BV-7 on the drain line (39), the needle-valve NV-1 and the needle-valve NV-2 that open on the entry filter pipeline (58) remain stationary, close ball valve BV-15, ball valve BV-6 and ball valve BV-26, close the ball valve BV-17 and the needle-valve NV-3 that soak maintenance system (25), close the ball valve BV-11 and the ball valve BV-19 of cleaning system (24), recycle pump (35) is squeezed into reverse osmosis filtration system (22) to the cleaning agent of preparation in the purge tank (28) along detergent line (42) and entry filter pipeline (58), clean the outside surface of coiled reverse osmosis membrane (62) in the reverse osmosis membrane filt (49), the cleaning agent after the flushing is discharged from the drain line (39) that ball valve BV-7 is set.

The flow of the suspended body flowmeter F-04 monitoring cleaning agent in the detergent line (42), adjust the flow of ball valve BV-13 and ball valve BV-12 control cleaning agent, wash the outside surface of the coiled reverse osmosis membrane (62) in the reverse osmosis membrane filt (49) and opened ball valve BV-11 after 5 minutes, close the ball valve BV-7 on the drain line (39), cleaning agent is flowed through the pipeline of ball valve BV-11 is set, return in the purge tank (28) reciprocation cycle from the purge tank soup water return outlet (3) of purge tank (28).

Reciprocation cycle continues 30 minutes, close ball valve BV-11, ball valve BV-7 and ball valve BV-14 successively, close and stop recycle pump (35), cleaning agent is sealed up for safekeeping in reverse osmosis membrane filt (49), coiled reverse osmosis membrane (62) in the reverse osmosis membrane filt (49) is soaked, and soak time is 1-24h, after immersion finishes, open ball valve BV-11 and ball valve BV-14, the cleaning agent emptying in the reverse osmosis membrane filt (49).Restarting recycle pump (35) extracts the scavenging solution in the purge tank (28) out from purge tank water outlet (1), by detergent line (42) and entry filter pipeline (58), enter in the reverse osmosis filter (49) from the reverse osmosis water inlet (63) of reverse osmosis filter (49), discharge from the reverse osmosis water port (65) of reverse osmosis filter (49) again, drain line (39) through skill of handling needles NV-2 and suspended body flowmeter F-02 are set flows into the pipeline that ball valve BV-11 is set and turns back in the purge tank (28) from purge tank soup water return outlet (3), reciprocation cycle 15 minutes is closed recycle pump (35) and is stopped circulation.

Open the ball valve BV-6 that distributes on the conversion pipeline (45), open the ball valve BV-7 on the drain line (39), close ball valve BV-11 and ball valve BV-10, ball valve BV-9 still keeps closing, open ball valve BV-8 and ball valve BV-26 on the water producing pipe road (40), open the ball valve BV-7 on the drain line (39), start primer pump (33) and adopt the pretreated water body flushing reverse osmosis membrane filt of pretreatment system (21) (49) flushing 10-15 minute, the water body of flushing is discharged from the pipeline that ball valve BV-9 is set, start high-pressure hydraulic pump (34) and enter normal product aqueous mode, the pipeline of current through ball valve BV-26 is set of institute's output discharged by drain line (39), water quality up to institute's output water reaches the requirement of finished product water through specific conductivity controller (59) and pH value controller (37) check, open ball valve BV-9, close ball valve BV-26, finished product water is injected the finished product water storage tank (31) that finished product is accumulated system (26), and the cleaning agent waste liquid in the purge tank (28) is discharged from purge tank water port (5).

Preparation cleaning agent in the purge tank (28) of cleaning system (24); under the situation that does not stop recycle pump (35); close ball valve BV-18; open ball valve BV-19 and ball valve BV-13; close ball valve BV-12; ball valve BV-14 and ball valve BV-20; blending recycle pump (36) does not start; recycle pump (35) is the output of the cleaning agent in the purge tank (28); check valve CV-3 flows through; ball valve BV-13; ball valve BV-19 and check valve CV-5 enter buffering water tank (30); usually the capacity of buffering water tank (30) is greater than the capacity of purge tank (28); close recycle pump (35) before cleaning agent in the purge tank (28) is cleared, the cleaning agent raffinate in the purge tank (28) is discharged from purge tank water port (5).

Close ball valve BV-19, open ball valve BV-20, start and blend recycle pump (36), clean with the cleaning agent in the buffering water tank (30) and blend pipeline (41) and film filter (32), regulate ball valve BV-23 dominant discharge and flow velocity; Cleaning agent is mainly used to cleaning membrane filtration device (32), cleans the back cleaning agent and is divided into two portions, and a part sees through the liquid that sees through that film filter (32) becomes cleaning agent, and another part becomes the cleaning debris; Cleaning agent is flowed through and is blent the ball valve BV-21 of pipeline (41), security personnel's strainer C-3, ball valve BV-22, film filter (32) and ball valve BV-23, the a part of medicament in back is as the ball valve BV-23 that flows through through liquid, opening ball valve BV-25 discharges the liquid that sees through of cleaning agent to blend pipeline (41) or cleaning agent and see through liquid and flow through and blend the ball valve BV-21 of pipeline (41), security personnel's strainer C-3, ball valve BV-22, film filter (32), ball valve BV-23, ultraviolet disinfector (52), ball valve BV-24, spinner-type flowmeter F-03 and check valve CV-4, close ball valve BV-7 and ball valve BV-8, open ball valve BV-26 the waste liquid of cleaning agent is discharged from drain line (39), the residual waste liquid of the cleaning of cleaning agent is then discharged from the blow-off line that film filter (32) carries.

Cleaning agent in the water tank to be cushioned (30) empties, open ball valve BV-18 pretreated water body is put into buffering water tank (30), blend the flushing of recycle pump (36) extraction water body and blend pipeline (41), blend recycle pump (36) and enter normal product aqueous mode, the water of institute's output is discharged by the blow-off line that drain line (39) and film filter (32) carry respectively, reach the requirement of finished product water up to the water quality of institute's output water, as Fig. 1, Fig. 2, shown in Figure 4.

Embodiment 17

Make in the process of finished product water at reverse osmosis filtration system (22), open the ball valve BV-10 of cleaning system (24), finished product water is injected in the purge tank (28) by purge tank water inlet (4) from the pipeline that ball valve BV-10 is set, finished product water in the purge tank (28) reaches the amount of design, closing high-pressure hydraulic pump (34) earlier stops to supply water to reverse osmosis filtration system (22), close primer pump (33) again and stop pretreatment system (21) system water, close ball valve BV-6, ball valve BV-10 and ball valve BV-13, open ball valve BV-12, starting recycle pump (35) allows water body be extracted out by the purge tank water outlet (1) of purge tank (28), enter detergent line (42), flow through security personnel's strainer C-2 is set, the pipeline of suspended body flowmeter F-04 and ball valve BV-12, get back to purge tank (28) from purge tank water return outlet (2) again, reciprocation cycle, the maintenance of purge tank (28) top drug-throwing chamber (7) is soaked medicament and is dropped into slowly in the purge tank (28), reciprocation cycle is until safeguarding that medicament thoroughly dissolves thorough mixing and makes and safeguard soak solution, and the concentration weight ratio of safeguarding soak solution is 1%-1.5%.

At first close high-pressure hydraulic pump (34) and stop reverse osmosis filtration system (22) system water, close primer pump (33) again and stop pretreatment system (21) system water, close the ball valve BV-6 and the ball valve BV-15 that distribute on the conversion pipeline (45) then, open ball valve BV-10 and prevent to generate in the water producing pipe road (40) back pressure, destroy the coiled reverse osmosis membrane (62) of reverse osmosis membrane filt (49), close water producing pipe road (40) upper ball valve BV-8 and ball valve BV-9 and prevent to safeguard that soak solution and flushing water body flow into finished product water storage tank (31), open ball valve BV-13 and ball valve BV-14 in the detergent line (42), semi-closed ball valve BV-12, open the gentle motorized valve MV-1 that eats up part of on the pressure pipe road (44) of ball valve BV-7 on the drain line (39), and the state of keeping needle-valve NV-2 is constant, keep the state of the needle-valve NV-1 on the entry filter pipeline (58) constant, close ball valve BV-15, ball valve BV-26, ball valve BV-17, needle-valve NV-3, ball valve BV-11 and ball valve BV-19, recycle pump (35) is squeezed into reverse osmosis filtration system (22) to the soak solution of safeguarding of preparation in the purge tank (28) along detergent line (42), the front of the rolling osmosis filtration film (62) of reverse osmosis membrane filt (49) is washed away in cleaning, and the soak solution of safeguarding after the flushing is discharged from the drain line (39) that ball valve BV-7 is set.

The flow of the suspended body flowmeter F-04 monitoring and maintenance soak solution in the detergent line (42), adjust ball valve BV-13 and ball valve BV-12 control and safeguard the flow of soak solution, keep flow low as far as possible, after having cleaned outside surface 3-5 minute of rolling osmosis filtration film (62) of reverse osmosis membrane filt (49), open ball valve BV-11, close the ball valve BV-7 on the drain line (39), safeguarding that soak solution is flowed through is provided with the pipeline of ball valve BV-11, return in the purge tank (28) reciprocation cycle from the purge tank soup water return outlet (3) of purge tank (28).

Open the ball valve BV-17 that soaks maintenance system (25), close ball valve BV-16, ball valve BV-15 and needle-valve NV-3, drain line (39) and immersion are safeguarded that jar (29) are communicated with, close the ball valve BV-11 of cleaning system (24), cut-out water producing pipe road (40) is communicated with purge tank (28), regulate the ball valve BV-12 and the ball valve BV-13 of detergent line (42), round-robin is safeguarded the soak solution pressurization, safeguard that the soak solution ball valve BV-17 that flows through safeguards jar (29) from soak safeguarding that a jar water inlet (14) enters to soak, soak to safeguard in jar (29) to safeguard that soak solution is accumulated the capacity close recycle pump (35) of design requirements out of service, open ball valve BV-10 and ball valve BV-17, open ball valve BV-15 again, close ball valve BV-14, open ball valve BV-11 then, the water body in the emptying reverse osmosis membrane filt (49).

Close ball valve BV-11 and ball valve BV-10 successively, open ball valve BV-8 and ball valve BV-16, soak maintenance jar (29) and safeguard that with immersion pipeline (43) is communicated with by soaking a maintenance jar water outlet (13), soak the soak solution of safeguarding in the jar (29) of safeguarding and safeguard that by soaking a jar water outlet (13) flows into immersion and safeguards in the pipeline (43), safeguard that the soak solution ball valve BV-15 that flows through enters water producing pipe road (40) and safeguards that soak solution is full of high-pressure pump (34) and reverse osmosis membrane filt (49), fully soak the outside surface of the coiled reverse osmosis membrane (62) in the reverse osmosis membrane filt (49), the ball valve BV-17 that opens plays the effect of vent valve, when being full of, high-pressure pump (34) and reverse osmosis membrane filt (49) open needle-valve NV-3 immediately after safeguarding soak solution, allow and safeguard that soak solution passes through water producing pipe road (40) and is injected into the internal surface of the inside of reverse osmosis membrane filt (49) with abundant immersion coiled reverse osmosis membrane (62), safeguard that simultaneously soak solution is full of whole water producing pipe road (40).

Regulate the gas in the vent valve RV-1 discharge water producing pipe road (40), when the soak solution overflow appears safeguarding in vent valve RV-1, be full of in the water producing pipe road (40) and safeguard soak solution, close needle-valve NV-3, ball valve BV-15, ball valve BV-16 and ball valve BV-17, ball valve BV-6, ball valve BV-9, ball valve BV-11 and ball valve BV-14 keep closing condition, and the coiled reverse osmosis membrane (62) in high-pressure hydraulic pump (34), the reverse osmosis membrane filt (49) and all elements on reverse osmosis system (22) pipeline soak fully.The pH value of water body in pH value controller (37) the monitoring water producing pipe road (40) is gone up on water producing pipe road (40), safeguards that in water producing pipe road (40) the pH value of soak solution is lower than 3, safeguards that then soak solution is expired or oxidized, needs to change, and pH value controller (37) is reported to the police.

Pressure differential detection pipeline (46) is gone up differential pressure controller (38) and is safeguarded that by immersion pipeline (43) detects the pressure at reverse osmosis membrane filt (49) two ends, prevent that reverse osmosis membrane filt (49) from producing excessive back pressure and causing coiled reverse osmosis membrane (62) to damage, when reverse osmosis membrane filt (49) produces the pressure of the pressure of water end (W.E.) greater than water intake end, pressure difference is apart from surpassing 0.2Kg/cm ², differential pressure controller (38) is reported to the police and is opened ball valve BV-26 and carry out pressure release.

When immersion finishes to resume operation, open and soak an immersion maintenance jar water port (15) of safeguarding jar (29), safeguard the emptying of soak solution raffinate soak safeguarding in jar (29), open valve ball valve BV-16, ball valve BV-17, needle-valve NV-3, ball valve BV-7, ball valve BV-8, ball valve BV-15 and ball valve BV-26, ball valve BV-9 still keeps closing condition, safeguards the soak solution raffinate from the outlet escape route of drain line (39).

Open ball valve BV-6, close ball valve BV-15, ball valve BV-17 and needle-valve NV-3, start primer pump (33) with washing reverse osmosis membrane filt (49) through pretreated former water water body, water producing pipe road (40) and drain line (39), wash after 10 minutes, start high-pressure pump (34), enter normal product aqueous mode, the finished product water of output is discharged from the outlet of drain line (39) through ball valve BV-26, water quality up to finished product water reaches requirement through specific conductivity controller (59) and pH value controller (37) check, open ball valve BV-9, close ball valve BV-26, water quality meets the requirements of finished product water and flows in the finished product water storage tank (31), equipment recovers running, as Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Figure 6.

Claims (2)

1, a kind of reverse osmosis water production apparatus, it is characterized in that by pretreatment system (21), reverse osmosis filtration system (22), blend system (23), purging system (24), soak maintenance system (25) and finished product and accumulate system (26) and form, pretreatment system (21) is comprised of primer pump (33), pretreatment inlet pipeline (50), counter-flushing pipeline (48), pretreatment outlet pipeline (51) and pretreatment filtration facility (27); The input port of primer pump (33) is connected with former water water body, by primer pump (33), introduces former water water body, and the delivery outlet of primer pump (33) is connected with counter-flushing pipeline (48) with pretreatment inlet pipeline (50); The former water water body that primer pump (33) is introduced is directly used in and filters water processed or be used for backwash pretreatment filtration facility (27), in the upper series connection of pretreatment inlet pipeline (50), pretreatment outlet pipeline (51) and counter-flushing pipeline (48), pretreatment filtration facility (27) is set, oxidant storage tank (55) is connected with pretreatment inlet pipeline (50), the oxidant storage tank arranges measuring pump on (55), throw in oxidant in proportion in pretreatment inlet pipeline (50) by measuring pump, harmful reproducibility ion in the oxidation water body, oxidant are used for the ferrous ion Fa in oxidation water²⁺, divalent manganese ion Mn²⁺Or sulfur Compounds, so that they produce a water-insoluble and can be suspended matter filter to remove the media; inhibitor reservoir Tank (47) and pretreatment outlet road (51) connected inhibitor tank (47) to set measurement Pump, through the metering pump in proportion to pre outlet road (51) adding inhibitors to prevent the water Hardness is too high results in the formation of the reverse osmosis membrane surface insoluble scale; assignments into line (45) 1 Road and pretreatment outlet end portion (51) is connected to valve BV-4, distribution conversion line (45) The other ends of the reverse osmosis filtration system (22), blending system (23), cleaning system (24) And immersion maintenance system (25) is connected, distribution conversion line (45) and the other end portion of the reverse osmosis Filter (22) of the high-pressure pump (34) is connected, distribution conversion line (45) provided on the ball Valve BV-18, the security filter C-1, Ball BV-6 and a check valve CV-1, and ball valve BV-14 BV-15, the security filter C-1 before setting valve BV-18 is divided into two, all the way by setting the valve BV-18 blending and cleaning a pipe system (23) of the buffer storage tank (30) into the water of the buffer storage tank Port (8) coupled, by setting the check valve CV-5 and ball BV-19 cleaning system piping and (24) is connected to a pipe, another route setting security filter C-1, BV-6 valve and the check valve CV-1, respectively, and a pipe cleaning system (24), immersion maintenance system (25) and reverse osmosis filtration systems (22) is connected; BV-14 by setting the valve in piping and cleaning system (24) for cleaning pipe (42) is connected, by setting the valve BV-15 tubing and immersion maintenance system (25) of the immersion Maintenance conduit (43) connected to the reverse osmosis filtration system through a duct (22) of the high-pressure pump (34) After pretreatment phase connected to form a single flow of water into the reverse osmosis filtration system (22), the high-pressure pump (34) before the inlet and outlet, respectively, after setting low pressure protection switch (12) and high-voltage protection open Off (17); reverse osmosis filtration system (22) including high pressure pump (34), into the water filter pipe (58), Reverse osmosis membrane filter (49), produced water passage (40) and the discharge line (39), high pressure water pump (34) The output end of the needle valve NV-1 is set into the water filtration line (58) connected into the water filtration line (58) The reverse osmosis membrane filter (49) of the reverse osmosis water inlet (63) connected to the reverse osmosis membrane filter (49) of the reverse osmosis outlet (64) and produced water passage (40) is connected to one end of the reverse osmosis Membrane filter (49) of the reverse osmosis outlet port (65) and the discharge line (39) connected to water production Path (40) and the other end of product accumulation system (26) of the product water storage tank (31) for water Port is connected; into the water filter pipe (58) is set on low pressure protection switch (12), high-pressure pump (34), Pressure protection switch (17), the needle valve NV-1, the reverse osmosis membrane filter (49), reverse osmosis membrane filter (49) is a hollow sealed pressure vessel, the pressure vessel at least two series connected volumes RO membrane type reverse Permeable membrane (62), the water from the RO water inlet (63) into the reverse osmosis membrane filter (49) within the through- Overwinding reverse osmosis membrane (62) Filter the water body into producing water and wastewater, producing water and wastewater separately From reverse osmosis water outlet (64) and reverse osmosis outlet (65) through the production pipe road (40) and excretion Tubing (39) is discharged; producing water passage (40) provided on the conductivity of the controller (59), pH value of the controller (37), exhaust valve RV-1, rotameter F-01, Ball BV-8, the check valve CV-6 and ball valves BV-9, produced water passage (40) with the other end of product accumulation system (26) of the product water storage tank (31) connected to the inlet of the production water pipeline (40) and the discharge line (39) provided with at least A reverse osmosis membrane filter (49), pretreated by high-pressure water pump (34) backward supercharging Into the reverse osmosis membrane filter (49) filtering, pressurized water flows through the reverse osmosis membrane filter (49), the Some of the water under pressure through a reverse osmosis membrane roll (62) into finished products by the middle of the water mains Road (40) Finished flow accumulation system (26) of the product water storage tank (31) and the other volumes of water and ions are Reverse osmosis membrane (62) withhold from the reverse osmosis drain (65) through the drain pipe (39) emissions; Reverse osmosis membrane filter (49) and the discharge line (39) connected to the discharge line (39) is provided Needle NV-2, F-02 and rotameter ball BV-7, the needle valve NV-2 and the electric valve MV-1 parallel Constituting the damper pressure line (44), the high-pressure pump (34) starts regulating the electric valve MV-1 Slow Close ensuring reverse osmosis membrane filter (49) the pressure will not sudden increase in an instant, adjust the needle valve NV-1 And adjusting the needle NV-2 reverse osmosis membrane filter (49) within the operating pressure and flow rate reaches the desired value; Produced water passage (40) and the discharge line (39) connected between the set valve BV-26 tubing, connected Produced water passage (40) and the discharge line (39), open valve BV-26 from the discharge line (39) is discharged Flush water pipe production (40) of washing liquid waste; blending system (23) comprises a buffer storage tank (30), Blending circulation pump (36) and the blending pipe (41), blending system (23) of the buffer storage tank (30) The inlet (8) Conversion and distribution line (45) connected to the valve BV-18, pretreated water Shunt into the buffer storage tank (30), the buffer storage tank (30) as a whole is enclosed hollow barrel, Upper part of the buffer storage tank inlet (8), the buffer storage tank inlet (8) and ball valve BV-18 phase Connection, the lower part of the buffer storage tank outlet (9) and the buffer storage tank outlet port (10), the buffer Water tank outlet (9) through a ball valve BV-20 and blending circulation pump (36) connected to input terminals, slow Rushing water tank (30) to set the side of the buffer storage tank level controller (11), the buffer storage tank level Controller (11) in the buffer storage tank (30) within the set upper and lower water level switch level switch, monitor Controlling the buffer storage tank (30) of the upper level and lower level, the buffer storage tank level controller (11) BV-18 control valve of open and close; blending the circulation pump (36) output terminal and the blending pipe (41) Connected, blending pipe (41) and the other end is set rotameter F-01, and ball valve BV-8 BV-9 production valve water passage (40) is connected to the blending pipe (41) provided on the valve BV-21, Paul An Filters C-3, membrane filter (32), ball BV-23, Ball BV-25, UV sterilizer (52), valve BV-24, F-03 rotameter and a check valve CV-4 constitute a single flow of water of the hook Against the pipe (41), a membrane filter (32) using microfiltration or ultrafiltration or microfiltration / ultrafiltration membrane, the membrane over Filter (32) with its own backwash conduit and outfall way valve BV-25 and one end of the UV Line sterilizer (52) and the other end portion of valve BV-23 is connected to the other end, valve BV-25 The other end portion constituting blending pipe (41) of the outfall, blending pipe (41) in water by blending Proportion of water line enters production (40), in the production water pipeline (40) mixed with reverse osmosis water blending, mixing Blending together the finished product after blending water through valve BV-9 as the finished product accumulation system (26) of product water storage Storage tank (31) within; buffer storage tank (30) of the buffer storage tank inlet (8) through the pipeline and the Qing Wash pipe (42) connected to the check valve installed on the pipe and valve CV-5 BV-19 constitute a single cleaning solution Water flows into the surge tank (30); cleaning system (24) includes a cleaning tank (28), clean the lines (42) and a circulating pump (35), the cleaning tank (28) as a whole was sealed hollow barrel, the cleaning tank (28) Upper tank wall of the cleaning tank outlet (1), the cleaning tank back to the outlet (2), the cleaning liquid tank return Port (3), the cleaning tank inlet (4), the cleaning tank drain (5) and washing tank level controller (6), Wash tank inlet (4) by setting the valve BV-10 production pipeline and water passage (40) is connected, Produced water passage (40) of product water into the cleaning tank (28), the liquid back to the cleaning tank outlet (3) Setting and ball valve BV-11 BV-17 tubing and the discharge line (39) and immersion maintenance tank (29) Maintaining immersion tank inlet (14) connected to the cleaning tank back to the outlet (2) by setting the valve BV-12 Piping and cleaning pipe (42) connected to the cleaning tank (28) of the tip portion of the dosage chamber (7), Dosing chamber (7) placed inside the cleaning agents or soaking maintenance agent, the cleaning tank (28) of the lower portion of the clean Washing tank outlet (1) and the wash tank outlet (5), the outlet of the cleaning tank (1) and the circulation pump (35) Connected to the input, the cleaning tank (28) of the side surface of the cleaning tank level controller (6), cleaning Tank level controller (6) controls the cleaning tank (28) the liquid; start the circulation pump (35) the cleaning Tank (28) to add the water after cleaning agent tank outlet (1) and the wash tank return outlet (2) on Ring, dissolving, mixing agents; circulating pump (35) the output of the cleaning pipe (42) is connected, Washing lines (42) to set one end of the distribution valve BV-14 conversion line (45) is connected, Washing lines (42) provided on the security filter C-2, rotameter F-04, check valve CV-3 and Ball BV-13; soak maintenance system (25) includes soaking maintenance tank (29), soak Paul dimensional piping (43) And differential pressure detecting line (46), soaking maintenance tank (29) as a whole was enclosed hollow barrel, soaking maintenance Tank (29) to set the upper inlet soaked maintenance tank (14), soaked maintenance tank level switch (18) and Exhaust valve RV-2, soaking maintenance tank inlet (14) by setting the valve BV-17 tubing and excretion Line (39) connected with the cleaning tank (28) back to the cleaning solution tank outlet (3) communicates, dip Maintenance foam tank (29) disposed below the immersion maintenance tank outlet (13) and immersion tank drain maintenance (15), maintaining immersion tank outlet (13) by setting the valve BV-16 tubing and maintaining immersion tube Path (43) is connected to maintain immersion tank (29) soaked in a side maintenance tank level pipe (16), Maintenance soak tank level pipe (16) Monitor Maintenance immersion tank (29) maintaining the level of liquid; design Check valve CV-2 is set, and the needle valve NV-3 Maintenance immersion pipe (43) and set both end portions of the ball The distribution valve BV-15 conversion line (45) of the ball BV-15 and product water line (40) is connected, Maintenance immersion pipe (43) provided on the needle valve NV-3 and a check valve CV-2, immersion maintenance tank (29) The maintenance of liquid from soaking maintenance tank outlet (13) by setting the valve BV-16 through the piping Check valve CV-2 immersion maintenance conduit (43), the valve BV-15 is set to enter into the water through a pipe Line filter (58) from the reverse osmosis membrane filter (49) immersed into the water side reverse osmosis membrane to maintain a volume (62) the outer surface of the immersion maintenance tank (29) from the maintenance of the liquid immersion maintenance tank outlet (13) By setting the valve BV-16 tubing through the needle valve NV-3 immersion maintenance pipeline (43) into the water production Pipe (40), from the reverse osmosis membrane filter (49) water production segment soak roll reverse osmosis membrane maintenance (62) an inner surface; soaked in maintaining line (43) in parallel to the differential pressure detecting line (46), the pressure Difference detecting passage (46) provided on the pressure controller (38) constitutes a pressure detecting line (46), pressure Detecting line (46) with one end of a one-way valve CV-2 immersion maintenance conduit (43) is connected to, Differential pressure detecting line (46) and setting the other end portion of the needle valve NV-3 Maintenance immersion line (43) with Connection, the differential pressure detecting line (46) to monitor the production water passage (40) on the reverse osmosis membrane filter (49) Involution reverse osmosis membrane (62) the pressure difference between inner and outer surfaces; blending system (23) of the buffer storage tank (30), cleaning system (24) of the cleaning tank (28) and the immersion maintenance system (25) immersed Maintenance Tank (29) in accordance with the actual needs of the design tank volume, buffer storage tank (30) is greater than the volume of the tank Cleaning tank (28) of the tank volume, cleaning tank (28) of the tank volume greater than soaking maintenance tank (29) The tank volume; finished accumulation system (26) is finished water storage tank (31) and ozone reactor (54) composed of finished water storage tank (31) to set the upper ladder, finished water storage tank (31) The inlet water line and productivity (40) Ball BV-9 is connected to the ozone reactor (54) and finished water Storage tank (31) is connected to the lower part, the ozone reactor (54) to the product water storage tank (31) The finished water emissions of ozone, ozone and finished water adequate response sterilization, finished water storage tank (31) of the Finished lower outlet with ball valve BV-27 is connected, finished water storage tank (31) of the lower part of the sewage outfall With ball valve BV-28 is connected. ...

2, reverse osmosis water production apparatus according to claim 1, it is characterized in that described pre-treatment filtration facility (27) comprises medium filter (56), charcoal filter (57) and ion exchange resin jar (53), medium filter (56) is arranged in parallel 2 at least; Ball valve BV-1, ball valve BV-3, ball valve BV-39 and ball valve BV-40 are set on the pre-treatment suction culvert (50), ball valve BV-2, ball valve BV-36, ball valve BV-30, ball valve BV-4 and pre-treatment emptying pipeline (61) are set on the counter-flushing pipeline (48), on the pre-treatment emptying pipeline (61) ball valve BV-5 are set; Medium filter (56) top water inlet is connected with the pipeline that ball valve BV-29 is set, the pipeline that ball valve BV-29 is set is connected with pre-treatment suction culvert (50), medium filter (56) bottom water outlet is connected with the pipeline that ball valve BV-33 is set, the pipeline that ball valve BV-33 is set is connected with counter-flushing pipeline (48), constitutes the media filtration pipeline; The top water inlet of charcoal filter (57) is connected with the pipeline that ball valve BV-35 is set with the pipeline that ball valve BV-31 is set, the pipeline that ball valve BV-31 is set is connected with pre-treatment suction culvert (50), the pipeline that ball valve BV-35 is set is connected with counter-flushing pipeline (48), the bottom water outlet of charcoal filter (57) is connected with the pipeline that ball valve BV-37 is set, the pipeline that ball valve BV-37 is set is connected with counter-flushing pipeline (48), constitutes the active carbon filtration pipeline; The top water inlet of ion exchange resin jar (53) is connected with the pipeline that ball valve BV-38 is set with the pipeline that ball valve BV-32 is set, ball valve BV-32 pipeline is set to be connected with pre-treatment suction culvert (50), the pipeline that ball valve BV-38 is set is connected with counter-flushing pipeline (48), the bottom water outlet of ion exchange resin jar (53) is connected with the pipeline that ball valve BV-34 is set, the pipeline that ball valve BV-34 is set is connected with counter-flushing pipeline (48), constitutes the ion exchange resin filter pipeline; Close ball valve BV-4 and ball valve BV-5, open ball valve BV-3, ball valve BV-36, ball valve BV-30, ball valve BV-39 and ball valve BV-40, open and close state by Combined ball valve BV-1, ball valve BV-2, ball valve BV-36, ball valve BV-30, ball valve BV-39, ball valve BV-40, ball valve BV-35 and ball valve BV-38 constitutes counter-flushing pipeline (48), with former water back flushing medium filter successively (56), charcoal filter (57) and ion exchange resin jar (53), the water body of back flushing is outside ball valve BV-3 escape route; Close ball valve BV-2, ball valve BV-3, ball valve BV-5, ball valve BV-36, ball valve BV-30, ball valve BV-31, ball valve BV-32, ball valve BV-39 and ball valve BV-40 and constitute the former water water body of pre-treatment outlet pipeline (51) filtration treatment, close ball valve BV-4, open the water body in the ball valve BV-5 emptying pre-treatment filtration facility (27) on the pre-treatment emptying pipeline (61); The water-in of medium filter (56) is connected with pre-treatment suction culvert (50) by the pipeline that ball valve BV-29 is set, water body in the pre-treatment suction culvert (50) enters insoluble impurity in medium filter (56) the filtering water body, the water outlet of medium filter (56) is connected with pre-treatment outlet pipeline (51) by the pipeline that ball valve BV-33 is set, water body after filtering is sent into pre-treatment outlet pipeline (51), the water-in of medium filter (56-1) is connected with pre-treatment suction culvert (50) by the pipeline that ball valve BV-29 ' is set, water body in the pre-treatment suction culvert (50) enters the impurity in medium filter (56-1) the filtering water body, the water outlet of medium filter (56-1) is connected with pre-treatment outlet pipeline (51) by the pipeline that ball valve BV-33 ' is set, and the water body after filtering is sent into pre-treatment outlet pipeline (51); The water-in of charcoal filter (57) is connected with pre-treatment outlet pipeline (51) with pre-treatment suction culvert (50) respectively by pipeline that ball valve BV-31 is set and the pipeline that ball valve BV-35 is set, entering in the charcoal filter (57) by the pipeline that ball valve BV-35 is set through the filtering water body of medium filter (56) in the pre-treatment outlet pipeline (51), chlorine residue in the filtering water body and peculiar smell, the water outlet of charcoal filter (57) is connected with pre-treatment outlet pipeline (51) by the pipeline that ball valve BV-37 is set, and the water body after filtering is sent into pre-treatment outlet pipeline (51); Reductive agent storage tank (19) is connected with pre-treatment outlet pipeline (51), and the reductive agent storage tank is provided with volume pump on (19), throws in reductive agent in proportion to remove the chlorine residue in the water body in pre-treatment outlet pipeline (51) by volume pump; The water-in of ion exchange resin jar (53) is connected with pre-treatment outlet pipeline (51) with pre-treatment suction culvert (50) respectively by pipeline that ball valve BV-32 is set and the pipeline that ball valve BV-38 is set, water body after charcoal filter (57) filters in the pre-treatment outlet pipeline (51) is entered the hardness that reduces water body in the ion exchange resin jar (53) by the pipeline that ball valve BV-38 is set, the water outlet of ion exchange resin jar (53) is connected with pre-treatment outlet pipeline (51) by the pipeline that ball valve BV-34 is set, and the water body after filtering is sent into pre-treatment outlet pipeline (51); Regenerator storage tank (20) is connected with the input aperture of pre-treatment recycle pump (60), the delivery port of pre-treatment recycle pump (60) is connected with the water outlet of ion exchange resin jar (53) by the pipeline that ball valve BV-34 is set, when the resins exchange ability of ion exchange resin jar (53) is expired, close ball valve BV-4, ball valve BV-5, ball valve BV-30, ball valve BV-38 and ball valve BV-40, the regenerative agent of regenerator storage tank (20) is sent into the interior manipulation of regeneration of ion exchange resin jar (53) by pre-treatment recycle pump (60).

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