CN203781879U - Separation membrane recovery reverse osmosis concentrated water equipment - Google Patents

Separation membrane recovery reverse osmosis concentrated water equipment Download PDF

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Publication number
CN203781879U
CN203781879U CN201420165397.5U CN201420165397U CN203781879U CN 203781879 U CN203781879 U CN 203781879U CN 201420165397 U CN201420165397 U CN 201420165397U CN 203781879 U CN203781879 U CN 203781879U
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China
Prior art keywords
reverse osmosis
water
valve
osmosis concentrated
pump
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Expired - Fee Related
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CN201420165397.5U
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Chinese (zh)
Inventor
李连国
董妍
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李连国
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Priority to CN201420165397.5U priority Critical patent/CN203781879U/en
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Publication of CN203781879U publication Critical patent/CN203781879U/en
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Abstract

The utility model belongs to the field of water treatment in the environment-friendly field, and in particular relates to separation membrane recovery reverse osmosis concentrated water equipment. The separation membrane recovery reverse osmosis concentrated water equipment comprises a primary reverse osmosis device, a standby booster pump and a membrane group, wherein the primary reverse osmosis device is connected with a primary reverse osmosis water production pipeline and a primary reverse osmosis concentrated water pipeline, the primary reverse osmosis concentrated water pipeline is connected with the standby booster pump through a bypass valve, the standby booster pump is connected with the membrane group, the membrane group is connected with a water production pipeline and a wastewater discharge pipeline respectively, a water production valve is arranged at the tail end of the water production pipeline, a water production side cleaning return valve is arranged on one side of the water production pipeline, a wastewater discharge valve and a membrane post pressure gauge are arranged on the wastewater discharge pipeline, and a discharge side cleaning return valve is arranged on one side of the wastewater discharge pipeline. The separation membrane recovery reverse osmosis concentrated water equipment has the beneficial effects that the structure is simple, the operation is simple and convenient, running and maintenance are convenient, the utilization rate of water is improved, the running cost is low, the installation is convenient, the occupied area is reduced, and the existing reverse osmosis is not affected.

Description

A kind of separatory membrane reclaims reverse osmosis concentrated wetting system
Technical field
The utility model belongs to the water treatment field in field of Environment Protection, is specifically related to a kind of separatory membrane and reclaims reverse osmosis concentrated wetting system.
Background technology
Reverse osmosis process is the desalting technology of a comparative maturity in existing water treatment field, and reverse osmosis is a kind of contrary process with naturally osmotic phenomenon that brings pressure to bear on that the strong solution that contacts with semi-permeable membranes produces.The naturally osmotic that exceedes solution when exerting pressure is pressed, and solution just can flow through semi-permeable membranes, forms dilute solution, and form the higher solution of concentration in a side of pressurization in a contrary side.This phenomenon is called reverse osmosis.Compare with traditional ion exchange process, reverse osmosis, without acid-alkali regeneration, can not produce acidic and alkaline waste water discharge, greatly reduces environmental pollution, greatly reduces day-to-day operation expense yet.
But reverse osmosis has a drawback compared with traditional ion-exchange, and the utilization ratio of the former water of reverse osmosis process is on the low side, the general rate of recovery≤75%, and utilization ratio >=90% of the former water of ion exchange process.From the world now and domestic water resources form, it has been a undisputable fact that water resources lacks, each state all how saving water resource and how making full use of in water resources make an issue of, to alleviate increasingly serious water resources shortage.
Increase separately a set of reverse osmosis units for processing many employings now of reverse osmosis concentrated water and process, but because the saltiness of dense water is higher, the pressure needing is high, reverse osmosis membrane is very fast fouling easily, needs frequent cleaning.And independent reverse osmosis unit is set needs a lot of auxiliary facilities, such as equipment such as water tank, topping-up pump, Scale inhibitors dosing, acid adding, cartridge filter, high-pressure pump, these equipment all need to take up an area, and also need power consumption or reagent consumption, and the cost of operation and maintenance is all higher; And for project reconstruction, take up an area and be difficult to often solve to obtain problem.
Utility model content
The utility model, in order to make up the defect of prior art, provides a kind of simple in structure, easy and simple to handle, facilitate running maintenance, improve the utilization ratio of water, working cost is low, easy for installation, and reduce floor space, the separatory membrane that does not affect existing reverse osmosis operation reclaims reverse osmosis concentrated wetting system.
The utility model is achieved by the following technical solution:
A kind of separatory membrane reclaims reverse osmosis concentrated wetting system, comprise former reverse osmosis unit, topping-up pump for subsequent use and film group, described former reverse osmosis unit is connected with former reverse osmosis produced water lines and former reverse osmosis concentrated water lines, described former reverse osmosis concentrated water lines is connected with topping-up pump for subsequent use by by-pass valve, described topping-up pump for subsequent use is connected with film group, described membrane component is not connected with water producing pipe road and discharge of wastewater pipeline, described water producing pipe road end is equipped with product water valve, water producing pipe road one side is connected with produces water side cleaning back-water valve, tensimeter after discharge of wastewater valve and film is housed on described discharge of wastewater pipeline, one side of discharge of wastewater pipeline is connected with drain-side and cleans back-water valve.
Further, be connected with pH regulator volume pump and pH regulator batch meter between described by-pass valve and topping-up pump for subsequent use, pH regulator batch meter is connected with pH regulator volume pump.
Further, described topping-up pump for subsequent use is connected with film group with film group suction culvert by water intaking valve, and the front tensimeter of cleaning/flushing water intaking valve and film is housed on film group suction culvert.
Further, on described water producing pipe road, be equipped with successively and produce water pressure table, produce water power and lead table and produce water flowmeter.
A kind of separatory membrane of the utility model reclaims reverse osmosis concentrated wetting system topping-up pump for subsequent use is set, and can not meet the pressure demand of this utility model equipment in order to the pressure attenuation after former reverse osmosis long-play; Suction culvert is connected with former reverse osmosis concentrated water discharge pipe, and pH regulator chemical feeding points for subsequent use is set in former reverse osmosis concentrated water lines, be mainly at former water containing hardness is higher, water quality delays film when more complicated fouling tendency, while reducing the cleaning frequency of film, use as far as possible; If the good pH regulator chemicals dosing plant of water quality will not enabled.
The utility model equipment arranges Butterworth Hatch, rinse mouth is connected with former reverse osmosis cleaning, rinse mouth, utilize original equipment and pipeline, without extra this part expense that increases, film processing unit adopts one-part form, membrane element adopts dedicated separation membrane element, and the rate of recovery is more than 55%.
The utility model equipment, by product water after treatment former reverse osmosis concentrated water, can re-use, and according to user's practical situation, can consider be back to raw water box according to the water quality of producing water, or directly return before former high-pressure pump or other process waters etc.,
The utility model equipment arranges flushing interface on suction culvert; be connected with the flushing pipeline of former reverse osmosis equipment; shut down and move after for some time in device power-up; generally according to water quality situation; need to rinse equipment; delay the fouling tendency of film, wash-down water adopts the product water of former reverse osmosis equipment.
The utility model equipment arranges cleaning interface on suction culvert, water producing pipe road, discharge pipe line, be connected with the detergent line of former reverse osmosis equipment, after equipment operation for some time, according to the running condition of equipment, need to clean equipment, to recover the performance of membrane element.
Brief description of the drawings
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing 1 is structural representation of the present utility model;
In figure, 1 former reverse osmosis unit, 2 former reverse osmosis produced water lines, 3 former reverse osmosis concentrated water lines, 4 by-pass valves, 5pH accommodometer measuring tank, 6pH regulates volume pump, 7 topping-up pumps for subsequent use, 8 water intaking valves, 9 film group suction culverts, 10 clean/rinse water intaking valve, 11 film groups, tensimeter before 12 films, 13 drain-side are cleaned back-water valve, 14 produce water pressure table, and 15 produce water power leads table, and 16 produce water flowmeter, 17 water producing pipe roads, 18 produce water valve, and 19 produce water side cleans back-water valve, 20 discharge of wastewater valves, 21 discharge of wastewater pipelines, tensimeter after 22 films.
Embodiment
Accompanying drawing 1 is a kind of specific embodiment of the present utility model.A kind of separatory membrane of this utility model reclaims reverse osmosis concentrated wetting system, comprise former reverse osmosis unit 1, topping-up pump 7 for subsequent use and film group 11, described former reverse osmosis unit 1 is connected with former reverse osmosis produced water lines 2 and former reverse osmosis concentrated water lines 3, described former reverse osmosis concentrated water lines 3 is connected with topping-up pump 7 for subsequent use by by-pass valve 4, described topping-up pump for subsequent use 7 is connected with film group 11, described film group 11 is connected with respectively water producing pipe road 17 and discharge of wastewater pipeline 21, described water producing pipe road 17 ends are equipped with and produce water valve 18, water producing pipe road 17 1 sides are connected with produces water side cleaning back-water valve 19, tensimeter 22 after discharge of wastewater valve 20 and film is housed on described discharge of wastewater pipeline 21, one side of discharge of wastewater pipeline 21 is connected with drain-side and cleans back-water valve 13.
Further, be connected with pH regulator volume pump 6 and pH regulator batch meter 5 between described by-pass valve 4 and topping-up pump for subsequent use 7, pH regulator batch meter 5 is connected with pH regulator volume pump 6.
Further, described topping-up pump 7 for subsequent use is connected with film group 11 with film group suction culvert 9 by water intaking valve 8, and the front tensimeter 12 of cleaning/flushing water intaking valve 10 and film is housed on film group 11 suction culverts.
Further, on described water producing pipe road 17, be equipped with successively and produce water pressure table 14, produce water power and lead table 15 and produce water flowmeter 16.
The principle of work that a kind of separatory membrane of this utility model reclaims reverse osmosis concentrated wetting system is as follows:
1, normal course of operation:
In accompanying drawing 1, the former reverse osmosis concentrated water discharge spout 3 of original reverse osmosis unit 1 is connected with the by-pass valve 4 of the utility model equipment, reverse osmosis concentrated water enters film group 11 by by-pass valve 4, in this process, the automatic detecting pressure of system, if pressure does not reach the pressure requirement that film group 11 needs, start stand-by pump 7, system also determines whether to open pH regulator volume pump 6 according to the situation of water inlet, produce water and deliver to reuse point by water producing pipe road 17, draining is discharged by discharge pipe line 21, has so just completed the whole normal course of operation of utility model equipment.
2, flushing process:
When the utility model equipment moves after for some time continuously; generally determine according to water quality situation; or each start, while shutting down; close by-pass valve 4, then open and rinse water intaking valve 10, enter the utility model equipment by original system wash-water pump by clean/flushing water intaking valve 10 with the product water of former reverse osmosis unit and rinse; flush time 3~5 minutes; rinse completely, the utility model equipment can put into operation again, has so just completed the flushing process of whole utility model equipment.
3, cleaning process:
When the utility model equipment moves about 3 months continuously or judges according to practical operation situation, exceed 2.0bar according to the difference of tensimeter 22 after tensimeter before film 12 and film, or the flow that produces water flowmeter 16 reduces and exceedes more than 30% or produce water power and lead the electricity of table 15 while leading rising 30%, at this moment just need to clean the utility model equipment, to recover its performance, when cleaning, first close bypass valve 4, start flushing process, after flushing process completes, open cleaning/flushing water intaking valve 10, drain-side is cleaned back-water valve 13 and is produced water side and clean back-water valve 19, carry out whole cleaning process, whole cleaning process probably needs about 6 hours, clean complete, the utility model equipment can put into operation again, so just complete the cleaning process of whole utility model equipment.
The utility model is not limited to above-mentioned embodiment, anyone should learn under enlightenment of the present utility model, make with the utlity model has identical or close technical scheme, within all falling into protection domain of the present utility model.
Technology, shape, structure part that the utility model is not described in detail are known technology.

Claims (4)

1. a separatory membrane reclaims reverse osmosis concentrated wetting system, it is characterized in that, comprise former reverse osmosis unit, topping-up pump for subsequent use and film group, described former reverse osmosis unit is connected with former reverse osmosis produced water lines and former reverse osmosis concentrated water lines, described former reverse osmosis concentrated water lines is connected with topping-up pump for subsequent use by by-pass valve, described topping-up pump for subsequent use is connected with film group, described membrane component is not connected with water producing pipe road and discharge of wastewater pipeline, described water producing pipe road end is equipped with product water valve, water producing pipe road one side is connected with produces water side cleaning back-water valve, tensimeter after discharge of wastewater valve and film is housed on described discharge of wastewater pipeline, one side of discharge of wastewater pipeline is connected with drain-side and cleans back-water valve.
2. a kind of separatory membrane according to claim 1 reclaims reverse osmosis concentrated wetting system, it is characterized in that: between described by-pass valve and topping-up pump for subsequent use, be connected with pH regulator volume pump and pH regulator batch meter, pH regulator batch meter is connected with pH regulator volume pump.
3. a kind of separatory membrane according to claim 1 reclaims reverse osmosis concentrated wetting system, it is characterized in that: described topping-up pump for subsequent use is connected with film group with film group suction culvert by water intaking valve, and the front tensimeter of cleaning/flushing water intaking valve and film is housed on film group suction culvert.
4. a kind of separatory membrane according to claim 1 reclaims reverse osmosis concentrated wetting system, it is characterized in that: on described water producing pipe road, be equipped with successively and produce water pressure table, produce water power and lead table and produce water flowmeter.
CN201420165397.5U 2014-04-08 2014-04-08 Separation membrane recovery reverse osmosis concentrated water equipment Expired - Fee Related CN203781879U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420165397.5U CN203781879U (en) 2014-04-08 2014-04-08 Separation membrane recovery reverse osmosis concentrated water equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420165397.5U CN203781879U (en) 2014-04-08 2014-04-08 Separation membrane recovery reverse osmosis concentrated water equipment

Publications (1)

Publication Number Publication Date
CN203781879U true CN203781879U (en) 2014-08-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420165397.5U Expired - Fee Related CN203781879U (en) 2014-04-08 2014-04-08 Separation membrane recovery reverse osmosis concentrated water equipment

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113003660A (en) * 2021-02-07 2021-06-22 楚天华通医药设备有限公司 Pharmaceutical water system, purified water preparation device and online active concentrated water recycling module

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113003660A (en) * 2021-02-07 2021-06-22 楚天华通医药设备有限公司 Pharmaceutical water system, purified water preparation device and online active concentrated water recycling module

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140820

Termination date: 20170408

CF01 Termination of patent right due to non-payment of annual fee