CN101544428A - Central type system for purifying and supplying drinking water and using method thereof - Google Patents
Central type system for purifying and supplying drinking water and using method thereof Download PDFInfo
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- CN101544428A CN101544428A CN200810035306A CN200810035306A CN101544428A CN 101544428 A CN101544428 A CN 101544428A CN 200810035306 A CN200810035306 A CN 200810035306A CN 200810035306 A CN200810035306 A CN 200810035306A CN 101544428 A CN101544428 A CN 101544428A
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Abstract
The invention relates to a central type system for purifying and supplying drinking water, wherein the parts connected with a water purifying pipeline comprise: a water purifying unit and a water purifying water tank connected therewith, and a second control valve arranged between the water purifying unit and the water purifying water tank; a soft water unit and a pure water unit connected therewith, a water purifying pressurizing delivery pump arranged between the soft water unit and the water purifying water tank, and a third control valve arranged between the pure water unit and the soft water unit; a pure water tank connected with the pure water unit, a fourth control valve arranged between the pure water tank and the pure water unit, and a pure water delivery pump connected with the pure water tank; and a control system which is connected with the water purifying unit, the soft water unit, the second control valve, the third control valve and the fourth control valve. The invention also discloses a using method of the system. The system and the method can supply water with different qualities, such as pure water, soft water, direct drinking water, pure water, and the like; the system is convenient to mount and use; and the comprehensive water resource utilization rate of the system can reach between 80 and 90 percent.
Description
Technical field
The present invention relates to central type drink water purifying and plenum system and using method thereof, this central type drink water purifying and plenum system adopt master control system to realize control automatically and operation.
Background technology
Serious day by day along with environmental pollution, and people constantly promote the pursuit of healthy and comfortable quality of the life, cause current Drinking Water health, safety, health and use problem such as comfortable to become increasingly conspicuous, particularly some pay attention to the family of quality of the life and life health, and place such as various offices, school, commerce, factory, all press for Drinking Waters such as municipal tap water are carried out secondary-cleaned, promote water hygiene, health, the dedicated water treatment facility of comfort.The existing municipal tap water of China because exist source quality to descend, problems such as water factory's purification process is outmoded, the tap water transmission pipeline network aging, secondary pollution in water supply, cause the water quality of tap water water terminal generally not ideal enough, organic pollutant content height, heavy metal content exceed standard, chlorine-containing disinfectant and by-products content is higher, detect, lead that the sudden change substances content is obvious, colorimetry-turbidity is higher, the regional unequal problem of water hardness is very outstanding during the internal secretion Interferon, rabbit.
In order to solve various quality problems, arise at the historic moment based on family expenses and commercial drinking water treatment equipment.Yet common water purifier product in the market often can only satisfy directly drinking of a few peoples, and because covet low cost, low price, often exist Technology simple or unilateral, the device processes ability is low, installs and uses a series of problems such as inconvenience.Do not accomplish health drinking-water (straight drink, diet, make tea etc.), the science requirement of comfortable reasonable use of water (shower, washing, cleaning etc.).
Often there is following main deficiency (often there are the different several aspects in the following problem in different classes of product) in existing product:
1, water supply flow is little, can only satisfy the most basic direct-drinking water, as common family expenses RO water purification machine.
2, the unilateral or existence deficiency of purifying property: as ultrafiltration, micro-filtration, secondary filter class physical filtering type water purifying plant, often can only remove particulate matter and macroscopic impurity and irony etc., and to being dissolved in complete failures such as organic pollutant in the water, heavy metal, sterilizing agent, sterilizing agent by product; And for example based on the central type water-purifying machine of adsorption filtration, though flow is very big, can satisfy the water demand of whole family, also can generally remove various hazardous and noxious substances, simultaneously can also fully keep trace element and mineral substance, but can not reduce too high water hardness, it is powerless that the TDS that fluorinated water, inwelling are caused crosses problems such as height; And for example softened water equipment though can reduce water hardness up hill and dale, promotes the water comfortableness of taking a shower, doing washing, wash, keeping a public place clean greatly, can not remove organic pollutant and sterilizing agent etc.
3, water resource waste is obvious.Be the product of representative with the RO water purification machine particularly, the utilising efficiency of its water resources is very low, often can only have 15～30% water can obtain utilizing, and rest part all is discharged into water drain and wastes.
4, system function is single, and the user can't be according to the different aspect of domestic water, and selects different suitable water quality for use.Though also can adopt and buy many different water-treated prods of function and meet the different needs, this not only can cause the purchase cost height, but also can can't integratedly there be inconvenience in the operation and maintenance owing to system.
Summary of the invention
The technical problem to be solved in the present invention is in order to overcome in the prior art many defectives such as system function is single, a kind of central type drink water purifying and plenum system and using method thereof to be provided.
The present invention solves above-mentioned technical problem by following technical proposals:
A kind of central type drink water purifying and plenum system, its characteristics are that it is comprised by the part that water pipeline connects:
One water purification unit and connected clear water tank, this is provided with one second control valve between the two;
One soft water unit and connected purified water unit are provided with a water purification pressurizing delivery pump between this soft water unit and this clear water tank, be provided with one the 3rd control valve between this purified water unit and this soft water unit;
The one purifying water tank that is connected with this purified water unit, this is provided with one the 4th control valve between the two, and this purifying water tank also is connected with a purified water transferpump;
This water purification unit, soft water unit, second control valve, the 3rd control valve and the 4th control valve all are connected on the Controlling System by control circuit.
Wherein, on this water purification pressurizing delivery pump, soft water unit, purified water unit and the purified water transferpump, be connected with water purification interface, soft water interface, direct-drinking water interface and pure water interface respectively; This water purification interface, soft water interface, direct-drinking water interface and pure water interface position are separately installed with water purification interface flow transmitter, soft water interface flow transmitter, direct-drinking water interface flow transmitter and purified water interface flow transmitter; Above-mentioned four transmitters all are connected on the Controlling System by control circuit.
Wherein, this purified water unit also is connected on the clear water tank by a water return pipeline.
Wherein, this central type drink water purifying also comprises a pre-filtration units that is connected with this water purification unit with plenum system, is connected with one first control valve and a former water interface on this pre-filtration units, and this pre-filtration units also is connected with Controlling System by a control circuit.
Wherein, this pre-filtration units, water purification unit and soft water unit all are connected with sewage draining exit.
Wherein, also be provided with a secondary filter unit between this soft water unit and this purified water unit, be provided with a sterilizer between this purified water unit and the purifying water tank.
Wherein, be provided with high, normal, basic 3 fluid level controllers in this clear water tank and the purifying water tank, this fluid level controller is connected with this Controlling System by control circuit.
Wherein, in this water purification unit several water purification unit that increase also in parallel,
Wherein, described each control valve is one or several in magnetic valve, the electronic or air operated motorized valve.
The using method of a kind of aforesaid central type drink water purifying and plenum system, its characteristics are that it may further comprise the steps:
S1, make the water purification unit be in the flushing state, keep first control valve to be in opened condition all the time, keep second control valve to be in closing condition simultaneously, the flushing state is opened second control valve after finishing again;
S2, the water purification behind the water purification purification unit enter soft water unit through clear water tank, water purification pressurizing delivery pump, when soft water unit is in reproduced state, keep the water purification pressurizing delivery pump to be in opened condition all the time, close the 3rd control valve simultaneously, the flushing state is opened the 3rd control valve after finishing again;
S3, the water from pliable cell after softening enter the purified water unit, and this purified water unit uses reverse osmosis or nanofiltration water-purifying process;
S4, through the water of purified water cell processing, through the purifying water tank, the purified water of big flow is transported to the water place with the purified water transferpump.
Wherein, each control valve all is in normally open, and when control center gave these control valves without any information transmission, each control valve was held open state, and this valve can be forms such as magnetic valve, electronic or air operated motorized valve.
Wherein, when high, normal, basic 3 fluid level controllers of cleaned water tank detect that liquid level arrives or surpass high liquid level, close first control valve, during liquid level is lower than during liquid level, reopen first control valve, when liquid level is lower than liquid level, stop the operation of water purification pressurizing delivery pump or remain it being in run-stopping status.
Wherein, when high, normal, basic 3 fluid level controllers of purifying water tank detect that liquid level arrives or surpass high liquid level, close the 4th control valve, during liquid level is lower than during liquid level, reopen the 4th control valve, when liquid level is lower than liquid level, stop the operation of purified water transferpump or remain it being in run-stopping status.
Wherein, when the direct-drinking water flow sensor is sensed current, close the 4th control valve, this sensor sensing is opened the 4th control valve after ending 30 seconds to current.
Wherein, when net water flux transmitter or soft water flow sensor are sensed current, close the 4th control valve, locking water purification pressurizing delivery pump is in opened condition, after current are ended, removes the unlatching lock-out state of pump at once, current were ended after 30 seconds, recovered to open the 4th control valve.
Wherein, when the purified water flow sensor is sensed current, and the purified water high water tank is non-when being in low liquid level, opens the purified water transferpump, when current are ended, stops the operation of purified water transferpump at once.
Positive progressive effect of the present invention is:
1, adopts treatment process such as pre-filtering, adsorption cleaning, ion exchange softening, secondary filter, purifying, sterilizing and purifying.
2, the water supply of different qualities such as water purification, softening water, direct-drinking water, pure water can be provided.
3, system's full automatic control, modular integrated design, can be according to user's requirement, use the water-purifying process (as the cancellation soft water unit) of part, also can increase and decrease the unit quantity (as water purification unit of increase in parallel again in the water purification unit) of each process procedure on request, system finally all can synthesize an integral device with integraty, very convenient installing and using.
4, water utilization rate height, owing to adopted concentrate recirculation technology, make no any discharge of wastewater in the course of normal operation of equipment, the blowdown process only in the equipment self-stip and regenerative process of once in a while pre-filtering, water purification, soft water unit, can occur in short time.The water resource utilization efficiency of system synthesis can reach 80-90%.
Description of drawings
Fig. 1 is the structural representation of preferred embodiment of the present invention.
Embodiment
Lift a preferred embodiment below, and come the clearer the present invention that intactly illustrates in conjunction with the accompanying drawings.
As shown in Figure 1.The device structure form of total system is by a through metal total system and pipeline to be integrated.Various unit and pipeline all are fixed on this support, and equipment is concentrated and reserved several getting final product, as former water interface, water purification interface, soft water interface, direct-drinking water interface, purified water interface etc.
One, one-piece construction and composition
From integral body, whole central type drink water purifying and plenum system couple together by four kinds of routes, have formed full automatic control, modular integrated design.These four kinds of pipelines are respectively pilot piping 101, water pipeline 102, blow-off line 103 and control circuit 104.Wherein, water mobile route is a water pipeline 102, earlier it is set forth.
At first, press among Fig. 1 order from left to right, the part that is connected by water pipeline 102 comprises:
Pre-filtration units 1 is connected with one first control valve 11 and a former water interface 12 on this pre-filtration units 1; Water purification unit 2 and connected clear water tank 3 are provided with one second control valve 21 between the two; Soft water unit 4 and connected purified water unit 6, be provided with a water purification pressurizing delivery pump 31 and water purification interface 32 between this soft water unit 4 and this clear water tank 3, be provided with one the 3rd control valve 41 and secondary filter unit 5 between this purified water unit 6 and this soft water unit 4, and a soft water interface 42; The one purifying water tank 7 that is connected with this purified water unit 6 is provided with one the 4th control valve 71 and direct-drinking water interface 62 between the two, and a sterilizer 61, and this purifying water tank 7 also is connected with a purified water transferpump 72 and a pure water interface 73.
Then, setting forth other three classes circuits connects.
Water purification unit 2, soft water unit 4, first control valve 11, second control valve 21, the 3rd control valve 41 and the 4th control valve 71 all are connected on the Controlling System 8 by control circuit 101.Purified water unit 6 also is connected on the clear water tank 3 by a water return pipeline 104.All be connected with blow-off line 103 on this pre-filtration units 1 and this water purification unit 2.Be provided with high, normal, basic 3 fluid level controllers in this clear water tank 3 and the purifying water tank 7, this fluid level controller is connected with this Controlling System 8 by control circuit 101.
Afterwards, set forth the flow sensor that is installed in each interface, transmitter is used for opening and closing control valve 4.
At last, reach better operating performance for making system, can also in parallelly increase several water purification unit in the water purification unit 2, described each control valve is one or several in magnetic valve, the electronic or air operated motorized valve.
Two, the process explanation of each major parts
Pre-filtration units 1 is to design at the relatively poor former water of some water quality, can adopt mechanical filter modes such as sand filtration, multi-medium filtering, is used for removing the large particulate matter and the suspended matter of water, suitably reduces the turbidity and the iron manganese content of water.If water quality meets basic drinking-water quality requirement substantially, pre-filtration units can be cancelled.This unit after continuously using for some time (as weekly or per 10 days once), need the filtrate of device interior is washed, with pollutent and the impurity that device for transferring is held back, the strainability of restorer.
Water purification unit 2 is used for obviously reducing chlorine-containing disinfectant, organic pollutant, heavy metal equal size, and obviously improves the index such as colourity, turbidity, smell of water.For example can use with the central type water-purifying machine of KDF-gac water-purifying process as core, this central type water-purifying machine is the commercially available prod.This unit after continuously using for some time (as weekly or per 10 days once), need the filtrate of device interior is washed, with pollutent and the impurity that device for transferring is held back, the purifying property of restorer.After equipment uses 1-2, need filtrate is changed.
Water purification pressurizing delivery pump 31, water in the clear water tank 3 is increased pressure of supply water, the supply water purification to user's common water purification with water spot (as the kitchen wash, sanitary equipment are kept a public place clean, water flowers and breed fish etc.), and provide enough pressure of supply waters for water purification enters follow-up processing unit.
Soft water unit 4 is used for removing the hardness ionses such as calcium, magnesium of water, reduces water hardness, for purposes such as the shower of family or similar site, laundry, cleanings, also can be follow-up clean unit simultaneously the better properties guarantee is provided.Generally can use the water softening device of Zeo-karb type.This unit (can specifically be determined according to the water quality of the water yield of producing and former water after using for some time continuously, often be 7-14 days once), need the ion exchange resin of device interior is regenerated, the softening performance of restorer, regenerative process is finished automatically by system.
Secondary filter unit 5 is used to remove finely ground particle substance and suspended substance, and protection purified water unit elements promotes its use properties and work-ing life.For example but service precision is the PPF strainer of 1um, and can the use in parallel of a plurality of identical filter cores.This filter core needed change in per 6-12 months.
Purified water unit 6, be used for thoroughly removing any residual organic, heavy metal, carcinogenic teratogenesis mutagenic matter, and virus, bacterium, hygienic articles etc., and the mineral substance in the reduction water of certain degree, salinity, hardness ions equal size, the comparatively purified purified water that obtains.Taste and sweet mouthfeel satisfies the mouthfeel requirement of people to drinking-water, and very perfectly hygienic requirements (but only contain little amount of mineral and trace element, therefore do not advise drinking merely for a long time this water).This unit can use reverse osmosis (RO) or nanofiltration (NF) water-purifying process.But need (to be generally 1-2 years) in use for some time, more renew cartridge.
Residual or the virus, bacterium or the microorganism that multiply in equipment and the pipeline are thoroughly killed in sterilization and disinfection unit (sterilizer 61).Thoroughly ensure the safe drinking water of direct-drinking water, and prolong the water quality quality guarantee period of purifying water tank.
Purifying water tank 7 stores purified water.
Three, the using method of central type drink water purifying and plenum system, and control automatically and operation logic
The using method of this central type drink water purifying and plenum system, overall principle is as follows: with master control system, respectively with control valve, pre-filtration units, the water purification unit, high, normal, basic 3 fluid level controllers of cleaned water tank, the water purification pressurizing delivery pump, soft water unit, high, normal, basic 3 fluid level controllers of purifying water tank, the purified water transferpump, water purification interface flow transmitter (being installed on the water purification interface), soft water interface flow transmitter (being installed on the soft water interface), direct-drinking water interface flow transmitter (being installed on the direct-drinking water interface), purified water interface flow transmitter (being installed on the purified water interface) links to each other, and forms an automatic operation control system.
Introduce the concrete steps of the using method of this central type drink water purifying and plenum system below, shown in from left to right arrow among the figure is water (flow) direction.Key step is as follows:
S
1, make water purification unit 2 be in the flushing state, keep first control valve 11 to be in opened condition all the time, keep second control valve 21 to be in closing condition simultaneously, after the flushing state finishes, open second control valve 21 again;
S
2, the water purification after purifying from water purification unit 2 enters soft water unit 4 through clear water tank 3, water purification pressurizing delivery pump 31, when soft water unit 4 is in reproduced state, keep water purification pressurizing delivery pump 31 to be in opened condition all the time, close the 3rd control valve 41 simultaneously, the flushing state is opened the 3rd control valve 41 after finishing again;
S
3, the water from pliable cell 4 after softening enters purified water unit 6, this purified water unit 6 uses reverse osmosis or nanofiltration water-purifying process;
S
4, the water handled through purified water unit 6, through purifying water tank 7, the purified water of big flow is transported to the water place with purified water transferpump 72.
Four, Control essentials
1, each control valve all is in normally open, and when promptly control center gave it without any information transmission, this valve was held open state, and this valve can be forms such as magnetic valve, electronic or air operated motorized valve.
When 2, high, normal, basic 3 fluid level controllers of cleaned water tank detect liquid level arrival or surpass the H position, close first control valve 11, when liquid level is lower than the M position, reopen first control valve 11, when liquid level is lower than the L position, stop the operation of water purification pressurizing delivery pump 31 or remain it being in run-stopping status.
When 3, high, normal, basic 3 fluid level controllers of purifying water tank detect liquid level arrival or surpass the H position, close the 4th control valve 71, when liquid level is lower than the M position, reopen the 4th control valve 71, when liquid level is lower than the L position, stop the operation of purified water transferpump 72 or remain it being in run-stopping status.
4, when pre-filtration units 1 is in the flushing state, keep first control valve to be in opened condition all the time, keep second control valve 21 to be in closing condition simultaneously, the flushing state is opened second control valve 21 after finishing again.
5, when water purification unit 2 is in the flushing state, keep first control valve 11 to be in opened condition all the time, keep second control valve 21 to be in closing condition simultaneously, the flushing state is opened second control valve 21 after finishing again.
6, when soft water unit 4 is in reproduced state, keep water purification pressurizing delivery pump 31 to be in opened condition all the time, close the 3rd control valve 41 simultaneously, the flushing state is opened the 3rd control valve 41 after finishing again.
When 7, the direct-drinking water flow sensor is sensed current, close the 4th control valve 71, this sensor sensing is opened the 4th control valve 71 after ending 30 seconds to current.
When 8, the soft water flow sensor is sensed current, close the 4th control valve 71, locking water purification pressurizing delivery pump 31 is in opened condition, after current are ended, removes the unlatching lock-out state of pump at once, and current were ended after 30 seconds, recovered to open the 4th control valve 71.
When 9, the net water flux sensor sensing is to current, close the 4th control valve 71, locking water purification pressurizing delivery pump 31 is in opened condition, after current are ended, removes the unlatching lock-out state of pump at once, and current were ended after 30 seconds, recovered to open the 4th control valve 71.
When 10, the purified water flow sensor is sensed current, and purified water water tank 7 liquid levels are non-when being in low liquid level, open purified water transferpump 72, when current are ended, stop the operation of purified water transferpump 72 at once.
Though more than described the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, under the prerequisite that does not deviate from principle of the present invention and essence, can make numerous variations or modification to these embodiments.Therefore, protection scope of the present invention is limited by appended claims.
Claims (16)
1, a kind of central type drink water purifying and plenum system is characterized in that, it is comprised by the part that water pipeline connects:
One water purification unit and connected clear water tank, this is provided with one second control valve between the two;
One soft water unit and connected purified water unit are provided with a water purification pressurizing delivery pump between this soft water unit and this clear water tank, be provided with one the 3rd control valve between this purified water unit and this soft water unit;
The one purifying water tank that is connected with this purified water unit, this is provided with one the 4th control valve between the two, and this purifying water tank also is connected with a purified water transferpump;
This water purification unit, soft water unit, second control valve, the 3rd control valve and the 4th control valve all are connected on the Controlling System by control circuit.
2, central type drink water purifying as claimed in claim 1 and plenum system, it is characterized in that, on this water purification pressurizing delivery pump, soft water unit, purified water unit and the purified water transferpump, be connected with water purification interface, soft water interface, direct-drinking water interface and pure water interface respectively; This water purification interface, soft water interface, direct-drinking water interface and pure water interface position are separately installed with water purification interface flow transmitter, soft water interface flow transmitter, direct-drinking water interface flow transmitter and purified water interface flow transmitter; Above-mentioned four transmitters all are connected on the Controlling System by control circuit.
3, central type drink water purifying as claimed in claim 1 and plenum system is characterized in that, this purified water unit also is connected on the clear water tank by a water return pipeline.
4, central type drink water purifying as claimed in claim 1 and plenum system, it is characterized in that, this central type drink water purifying also comprises a pre-filtration units that is connected with this water purification unit with plenum system, be connected with one first control valve and a former water interface on this pre-filtration units, this pre-filtration units also is connected with Controlling System by a control circuit.
5, central type drink water purifying as claimed in claim 1 and plenum system is characterized in that, this pre-filtration units, water purification unit and soft water unit all are connected with sewage draining exit.
6, central type drink water purifying as claimed in claim 1 and plenum system is characterized in that, also are provided with a secondary filter unit between this soft water unit and this purified water unit, are provided with a sterilizer between this purified water unit and the purifying water tank.
7, central type drink water purifying as claimed in claim 1 and plenum system is characterized in that, are provided with high, normal, basic 3 fluid level controllers in this clear water tank and the purifying water tank, and this fluid level controller is connected with this Controlling System by control circuit.
8, central type drink water purifying as claimed in claim 1 and plenum system is characterized in that, in this water purification unit several water purification unit that increase also in parallel.
As described central type drink water purifying of above arbitrary claim and plenum system, it is characterized in that 9, described each control valve is one or several in magnetic valve, the electronic or air operated motorized valve.
10, the using method of a kind of central type drink water purifying as claimed in claim 9 and plenum system is characterized in that it may further comprise the steps:
S
1, make the water purification unit be in the flushing state, keep first control valve to be in opened condition all the time, keep second control valve to be in closing condition simultaneously, after the flushing state finishes, open second control valve again;
S
2, the water purification behind the water purification purification unit enters soft water unit through clear water tank, water purification pressurizing delivery pump, when soft water unit is in reproduced state, keep the water purification pressurizing delivery pump to be in opened condition all the time, close the 3rd control valve simultaneously, the flushing state is opened the 3rd control valve after finishing again;
S
3, the water from pliable cell after softening enters the purified water unit, this purified water unit uses reverse osmosis or nanofiltration water-purifying process;
S
4, through the water of purified water cell processing, through the purifying water tank, the purified water of big flow is transported to the water place with the purified water transferpump.
11, the using method of central type drink water purifying as claimed in claim 10 and plenum system, it is characterized in that, each control valve all is in normally open, when control center gives these control valves without any information transmission, each control valve is held open state, and this valve can be forms such as magnetic valve, electronic or air operated motorized valve.
12, the using method of central type drink water purifying as claimed in claim 10 and plenum system, it is characterized in that, when high, normal, basic 3 fluid level controllers of cleaned water tank detect that liquid level arrives or surpass high liquid level, close first control valve, during liquid level is lower than during liquid level, reopen first control valve, when liquid level is lower than liquid level, stop the operation of water purification pressurizing delivery pump or remain it being in run-stopping status.
13, the using method of central type drink water purifying as claimed in claim 10 and plenum system, it is characterized in that, when high, normal, basic 3 fluid level controllers of purifying water tank detect that liquid level arrives or surpass high liquid level, close the 4th control valve, during liquid level is lower than during liquid level, reopen the 4th control valve, when liquid level is lower than liquid level, stop the operation of purified water transferpump or remain it being in run-stopping status.
14, the using method of central type drink water purifying as claimed in claim 10 and plenum system, it is characterized in that, when the direct-drinking water flow sensor is sensed current, close the 4th control valve, this sensor sensing is opened the 4th control valve after ending 30 seconds to current.
15, the using method of central type drink water purifying as claimed in claim 10 and plenum system, it is characterized in that, when net water flux transmitter or soft water flow sensor are sensed current, close the 4th control valve, locking water purification pressurizing delivery pump is in opened condition, after current are ended, removes the unlatching lock-out state of pump at once, current were ended after 30 seconds, recovered to open the 4th control valve.
16, as the using method of any described central type drink water purifying and plenum system among the claim 10-15, it is characterized in that, when the purified water flow sensor is sensed current, and the purified water high water tank is non-to be in when hanging down liquid level, open the purified water transferpump, when current are ended, stop the operation of purified water transferpump at once.
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| CN104944525A (en) * | 2014-12-03 | 2015-09-30 | 佛山市云米电器科技有限公司 | Reverse osmosis water purifier and concentrated water recovery control method thereof |
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| CN110183016A (en) * | 2019-06-27 | 2019-08-30 | 上海万沣环保科技有限公司 | A kind of full house water purification system of residential quarters centralization |
| CN110550766A (en) * | 2018-05-30 | 2019-12-10 | 宁波市科漫环保科技有限公司 | filter element performance monitoring system for purification-softening water treatment machine and filter element performance recovery method |
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Address after: No. 508 and No. 518 Chuansha Zhenchuan Road, Pudong New District, Shanghai, 201200 Patentee after: Kai Ning health technology group Limited by Share Ltd Address before: 201200 518 Chuan Da Road, Pudong New District, Shanghai Patentee before: Shanghai Canature Environmental Products Co., Ltd. |