CN106040000A - Water purifier with function of reducing pure water TDS value - Google Patents
Water purifier with function of reducing pure water TDS value Download PDFInfo
- Publication number
- CN106040000A CN106040000A CN201610549727.4A CN201610549727A CN106040000A CN 106040000 A CN106040000 A CN 106040000A CN 201610549727 A CN201610549727 A CN 201610549727A CN 106040000 A CN106040000 A CN 106040000A
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- water
- filter element
- reverse osmosis
- osmosis membrane
- pure water
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/08—Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/12—Controlling or regulating
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
Abstract
The invention relates to the field of pure water, and discloses a water purifier with the function of reducing the pure water TDS value. The water purifier comprises a raw water inlet pipe (1) and a reverse osmosis membrane filter core water inlet pipe (4) connected with the raw water inlet pipe (1), a reverse osmosis membrane filter core (5) is arranged on the reverse osmosis membrane filter core water inlet pipe (4), a pure water outlet of the reverse osmosis membrane filter core (5) is connected with a pure water outlet pipe (2), a first return pipe (7) connected with the reverse osmosis membrane filter core water inlet pipe (4) is connected to the pure water outlet pipe (2), and a first return solenoid valve (71) and a first one-way valve (72) making the water flow toward the reverse osmosis membrane filter core water inlet pipe (4) are arranged on the first return pipe (7). As the first return pipe is arranged, the water before and after treatment of the reverse osmosis membrane filter core forms natural convection, TDS is made to be balanced, and the TDS value on the pure water pipeline is effectively reduced.
Description
Technical field
The present invention relates to water purification field, particularly relate to a kind of water purifier having and reducing pure water TDS value function.
Background technology
Along with improving constantly of people's lives quality, big flux and make fresh and alive diseases caused by retention of fluid with becoming water purification industry main flow.
Environmental security and health problem cause the highest attention of the common people.Owing to the flaw of pollution of waterhead and water system makes people give birth to
Apply flexibly and water exists the impurity and solvent being no good for health, cause safe drinking water to become the main of current people's most attention
One of problem.The use of water purifier provides the solution route of safe drinking water problem for people.
There are the following problems for current water purifier:
Waste water ratio is higher, does not economizes on water.According to the Penetration Signature of reverse osmosis membrane, make in order to avoid film surface salt excessive concentration
Become concentration polarization, it is necessary to the strict response rate controlling reverse osmosis membrane, the response rate of general single reverse-osmosis membrane element to control
Less than 15%, the water of such 85% is discharged with the form of dense water.The waste water ratio of general household reverse osmosis film is 3:1, even as high as
5:1, i.e. produces 1 glass of pure water, 3 glasss to 5 glasss waste water of output, and along with the development of use fouling membrane, the permeant flux of film by
Gradually reducing, waste water ratio gradually rises.If if these " waste water " are not used, will result in the biggest water resource waste.Therefore,
The response rate improving reverse osmosis water purification machine is that the difficulties of solution is presently required.The generation of reverse osmosis water purification machine waste water can not keep away
Exempt from, it is achieved non-wastewater discharge is the most impossible, can only take measures to reduce wastewater flow rate.
(2) pressure water storage barrel secondary pollution problem.Owing to reverse osmosis membrane filtration precision is high, thus per membrane area aquifer yield
Ratio is relatively low, and the reverse osmosis membrane application initial stage is relatively costly, needs to join in the process structure of the most traditional classical reverse osmosis water purification machine
Standby pressure water storage barrel is with the use of when meeting application little aquifer yield reverse osmosis membrane assembly (50～100GPD reverse osmosis membrane assembly)
Requirement to the water outlet water yield.Pressure water storage barrel is made up of plastic cement or metal shell and food stage rubber liner, divides up and down in bucket
Two parts, above dress water, below inflation.During water purification machine controlling the water circulation, the water made is stored in rubber liner, when reaching certain pressure
Rear stopping controlling the water circulation；When using water, water is extruded from inner bag by pressure pot, and after the pressure in bucket is less than to a certain degree, height presses off
Pass is opened, and water purification machine is again started up controlling the water circulation.Just because of the pure water made is stored by pressure pot, the volume of the bucket of general configuration
Often it is greater than the amount of being intended for single use, causes the made pure water meeting time of staying long, secondly also have the quality of rubber liner itself
Problem and aging, is thus difficult to avoid that the rubber liner in pressure pot is in use likely to occur microbial growth, Asia
The secondary pollution problems such as nitrate exceeds standard, rubber smell.
And presently commercially available reverse osmosis water purification machine without tub, most reverse osmosis membranes only with Dan Zhi great flux,
Cancelling pressure water storage barrel, after long-time shutdown, the water outlet TDS problem (TDS is more than or equal to 50) such as exceed standard occurs first, Ge Biechang
Also the problems such as bacteria breed is serious can be there is in water that business's rearmounted charcoal filter element is left over for a long time or the water of releasing overnight.
Summary of the invention
The present invention is directed to water purification machine of the prior art or water purifier to there is waste water ratio big, do not economize on water, TDS exceeds standard etc. and to ask
Topic, it is provided that a kind of solution shuts down water saving water purifier higher for pure water TDS for a long time.
In order to solve above-mentioned technical problem, the present invention is addressed by following technical proposals:
There is the water purifier reducing pure water TDS value function, including former water water inlet pipe and the reverse osmosis that is connected with former water water inlet pipe
Permeable membrane filter element water inlet pipe, reverse osmosis membrane filter element water inlet pipe is provided with reverse osmosis membrane filter element, the pure water water outlet of reverse osmosis membrane filter element
Mouth connects pure water outlet pipe, and pure water outlet pipe connects the first return duct being connected with reverse osmosis membrane filter element water inlet pipe, the
One return duct is provided with the first return flow solenoid valve and flows to the first check valve being to flow to reverse osmosis membrane filter element water inlet pipe.
The application connects on pure water outlet pipe and has the first return duct being connected with reverse osmosis membrane filter element water inlet pipe, can make
Portion of pure water after treatment can be with natural back flow to reverse osmosis membrane filter element so that through reverse osmosis membrane filter element water before treatment with
Portion of pure water after reverse osmosis membrane filter element or rearmounted filter element process can the most just permeate back reverse osmosis membrane filter element with free convection,
Make TDS reach balance, effectively reduce the TDS value in pure water pipeline.
As preferably, former water water inlet pipe is provided with entering water electromagnetic valve and booster pump, the condensed water water outlet of reverse osmosis membrane filter element
Mouth connects condensed water outlet pipe, condensed water outlet pipe connects and has the second backflow being connected with reverse osmosis membrane filter element water inlet pipe
Pipe, the second return duct is provided with the second return flow solenoid valve and flows to the second check valve being to flow to reverse osmosis membrane filter element water inlet pipe.
By arranging the second return duct, and the second check valve is set on the second return duct, to after reverse osmosis membrane filter element processes
Condensed water processes again, fully improves the response rate of reverse osmosis water purification machine, sufficiently achieves water saving purpose.Simultaneously when first time
When just infiltration in flow tube is not fully finished and makes TDS local higher, the second return duct can flow back into former water on a small quantity,
Until after the first return duct is the most just permeating fully, making TDS value reduce, after persistently refluxing such as the second return duct, TDS value is the most partially
Height, then judge that local water quality itself is higher, automatically recover normal controlling the water circulation state.
As preferably, also including control system, control system includes being preset with the controller of TDS value and is arranged on pure water and goes out
The TDS detector being connected on water pipe and with controller, TDS detector is for detecting the TDS value in pure water outlet pipe and will detect
To TDS value be sent to controller, the TDS value default in the TDS value received and controller of controller compares
And control entering water electromagnetic valve, the first return flow solenoid valve and the keying of the second return flow solenoid valve according to comparative result.By controlling
The TDS value of the pure water that system monitoring prepares, and the keying of each electric elements is controlled according to the TDS value detected, it is achieved whole
The Based Intelligent Control of individual water purifier.
As preferably, former water water inlet pipe is additionally provided with two the preposition composite filter elements being connected in parallel, two preposition composite filters
Core, entering water electromagnetic valve and booster pump are successively set on former water water inlet pipe from Yuan Shui inlet opening.By preposition filter element, former water is entered
Row pretreatment, is effectively improved water purifier purifying water effect.
As preferably, pure water outlet pipe is provided with rearmounted composite filter element, and rearmounted composite filter element includes filter element cylinder, filter element cylinder
Inside being provided with filter element charcoal cylinder, form intake tunnel between outer surface and the inner surface of filter element cylinder of filter element charcoal cylinder, water inlet is logical
The width in road is 1-100mm, and this width depends primarily on the specification of rearmounted composite filter element and the former water water yield of required process；Filter
Being provided with activated carbon in core charcoal cylinder, filter element charcoal cylinder bottom is provided with inlet opening, and top connects ultrafiltration membrane filter element, filter element charcoal cylinder
And it is provided with the dividing plate of band water hole between ultrafiltration membrane filter element.Effectively to nuisances such as antibacterials by the way of this kind increases ultrafilter membrane
Matter intercepts, and improves water purifier and produces water water quality, it is ensured that each dripping is all safe and reliable drinking water, solves traditional rearmounted
The problem of the rearmounted charcoal breed bacteria severe overweight that charcoal filter element causes because stagnant water exists for a long time.
As preferably, bottom filter element charcoal cylinder and ultrafiltration membrane filter element, it is equipped with non-woven fabrics, by non-woven fabrics 37, can be effective
Intercept the scattered charcoal in charcoal granule.
As preferably, condensed water outlet pipe connects and has waste water proportioner and the scouring electromagnetic valve being connected with controller.Logical
Cross arrange scouring electromagnetic valve realize be rinsed to condensed water outlet pipe and waste water proportioner and reverse osmosis membrane filter element etc.,
Ensure work quality and the work efficiency of whole water purifier.
As preferably, pure water outlet pipe is provided with the check valve flowing to pure water outlet and the water outlet being all connected with controller
Electromagnetic valve and effusion meter, effusion meter is used for detecting pure water flow.By the flow of cmf record water purifier, read pcb board
Pulse, record instantaneous delivery and integrated flux, make user according to its demand practicality water purifier.
Due to the fact that and have employed above technical scheme that there is significant technique effect:
The present invention, by connecting the first return duct being connected with reverse osmosis membrane filter element water inlet pipe on pure water outlet pipe, can make
Portion of pure water after treatment can be with natural back flow to reverse osmosis membrane filter element so that through reverse osmosis membrane filter element water before treatment with
Portion of pure water after reverse osmosis membrane filter element or rearmounted filter element process can the most just permeate back reverse osmosis membrane filter element with free convection,
Make TDS reach balance, effectively reduce the TDS value in pure water pipeline.
Accompanying drawing explanation
Fig. 1 is the structural representation of rearmounted composite filter element in the embodiment of the present invention 1；
Fig. 2 is the structural representation of the embodiment of the present invention 1.
The toponym that in accompanying drawing, each number designation is referred to is as follows: 1 former water water inlet pipe, 2 pure water outlet pipes, 3
Rearmounted composite filter element, 4 reverse osmosis membrane filter element water inlet pipes, 5 reverse osmosis membrane filter elements, 6 condensed water outlet pipes, 7 first times
Flow tube, 8 second return ducts, 9 preposition composite filter elements, 11 entering water electromagnetic valves, 12 booster pumps, 21 TDS detectors,
22 effusion meters, 23 go out water solenoid valve, 31 filter element cylinders, 32 filter element charcoal cylinders, 33 intake tunnels, 34 points of water
Device, 35 ultrafiltration membrane filter elements, 36 dividing plates, 37 non-woven fabrics, 38 ultrafilter membrane end caps, 39 end cover of filter elements, 61 waste water ratios
Example device, 62 scouring electromagnetic valves, 71 first return flow solenoid valves, 72 first check valves, 81 second return flow solenoid valves, 82
Second check valve.
Detailed description of the invention
With embodiment, the present invention is described in further detail below in conjunction with the accompanying drawings.
Embodiment 1
There is the water purifier reducing pure water TDS value function, as shown in Figure 1-2, including former water water inlet pipe 1 and pure water outlet pipe
2, former water water inlet pipe 1 is provided with entering water electromagnetic valve 11, booster pump 12 and two the preposition composite filter elements 9 being connected in parallel, before two
Put composite filter element 9, entering water electromagnetic valve 11 and booster pump 12 to be successively set on former water water inlet pipe 1 from Yuan Shui inlet opening.
Also include the reverse osmosis membrane filter element water inlet pipe 4 being connected with former water water inlet pipe 1, reverse osmosis membrane filter element water inlet pipe 4 sets
Being equipped with reverse osmosis membrane filter element 5, the pure water outlet of reverse osmosis membrane filter element 5 is connected with pure water outlet pipe 2, reverse osmosis membrane filter element 5
Condensed water outlet connects condensed water outlet pipe 6.Pure water outlet pipe 2 be provided with flow to pure water outlet check valve and all with
What controller connected goes out water solenoid valve 23 and for detecting the effusion meter 22 of pure water flow.
First be connected with reverse osmosis membrane filter element water inlet pipe 4 it is connected on pure water outlet pipe 2, condensed water outlet pipe 6
Return duct 7 and the second return duct 8, the first return duct 7 is provided with the first return flow solenoid valve 71 and flows to as flowing to reverse osmosis membrane filtration
First check valve 72 of core water inlet pipe 4, the second return duct 8 is provided with the second return flow solenoid valve 81 and flows to as flowing to reverse osmosis membrane
Second check valve 82 of filter element water inlet pipe 4.
Pure water outlet pipe 2 is provided with rearmounted composite filter element 3, and rearmounted composite filter element 3 includes filter element cylinder 31, filter element cylinder 31
Inside it is provided with filter element charcoal cylinder 32, between outer surface and the inner surface of filter element cylinder 31 of filter element charcoal cylinder 32, forms intake tunnel
33, the width of intake tunnel 33 is 100mm；Being provided with activated carbon in filter element charcoal cylinder 32, filter element charcoal cylinder 32 bottom is provided with into water
Hole, top connects ultrafiltration membrane filter element 35, is provided with the dividing plate 36 of band water hole between filter element charcoal cylinder 32 and ultrafiltration membrane filter element 35,
It is equipped with non-woven fabrics 37 bottom filter element charcoal cylinder 32 and ultrafiltration membrane filter element 35.
Ultrafiltration membrane filter element 35 top and filter element cylinder 31 top are respectively equipped with ultrafilter membrane end cap 38 and end cover of filter element 39, ultrafiltration
Being connected by water knockout drum 34 between film end cap 38 and end cover of filter element 39, end cover of filter element 39 is provided with intake-outlet, needs by this
The water that rearmounted composite filter element 3 processes outlet on end cover of filter element 39 enters in filter element, by water knockout drum 34 by current deflecting
To the intake tunnel 33 between filter element cylinder 31 and filter element charcoal cylinder 32, flow to filter element charcoal cylinder 32 end through intake tunnel 33
Portion, then the inlet opening entrance filter element charcoal cylinder 32 bottom filter element charcoal cylinder 32 is internal, through activated carbon adsorption, through activated carbon adsorption
After the water water hole on dividing plate 36 again enter in ultrafiltration membrane filter element 35 and again process, increase ultrafilter membrane by this kind
The harmful substances such as antibacterial are effectively intercepted by mode, improve water purifier and produce water water quality, it is ensured that each dripping is all safe and reliable
Drinking water, solve the rearmounted charcoal breed bacteria severe overweight that traditional rearmounted charcoal filter element causes because stagnant water exists for a long time
Problem.This rearmounted composite filter element 3 is designed to this kind of version simultaneously so that in rearmounted composite filter element 3 through super
Filter membrane filter element 35 part before treatment water can free convection, so can make TDS value reach balance.
Also including control system, control system includes the controller being preset with TDS value and is arranged on pure water outlet pipe 2
TDS detector 21, TDS detector 21 is for detecting the TDS value in pure water outlet pipe 2 and the TDS value detected being sent to control
Device processed, controller is for comparing and according to comparative result control the TDS value that the TDS value received is default with in controller
Entering water electromagnetic valve the 11, first return flow solenoid valve 71 and the keying of the second return flow solenoid valve 81.Connect on condensed water outlet pipe 6 and have
Waste water proportioner 61 and the scouring electromagnetic valve 62 being connected with controller, when control system is at rinse mode, scouring electromagnetic valve 62
Open and condensed water outlet pipe 6 and waste water proportioner 61 and reverse osmosis membrane filter element 5 etc. are rinsed, it is ensured that whole water purifier
Work quality and work efficiency.
Former water enters former water water inlet pipe 1, first carries out pretreatment through preposition composite filter element 9, is then passed through entering water electromagnetic valve
11, under the effect of booster pump 12, enter reverse osmosis membrane filter element 5 through reverse osmosis membrane filter element water inlet pipe 4 after supercharging, in the present embodiment
Reverse osmosis membrane filter element 5 be two, adjacent be connected on reverse osmosis membrane filter element water inlet pipe 4.After reverse osmosis membrane filter element 5 processes
The pure water obtained flow into pure water outlet pipe 2 by the pure water outlet of reverse osmosis membrane filter element 5, and after through rearmounted composite filter
Core 3 again processes and obtains pure water；And condensed water condensed water in the menstrual period outlet obtained after reverse osmosis membrane filter element 5 processes
Enter condensed water outlet pipe 6, and flow out through waste water proportioner 61.And raw water inlet and the concentration at reverse osmosis membrane filter element 5
Water water outlet is equipped with check valve, can effectively prevent former water and condensed water backflow from producing and just permeating and cause TDS higher.
Controller includes that master control borad and the signal transmission board being all connected with master control borad and signal receive plate, in controlling the water circulation process
In, the TDS value in the pure water outlet pipe 2 that the TDS detector 21 on pure water outlet pipe 2 will detect receives plate by signal and sends
To master control borad, master control borad processes for being analyzed signal, the TDS value that will receive with its in default TDS value carry out
Relatively, and according to comparative result send a signal to entering water electromagnetic valve 11 by signal transmission board, go out water solenoid valve the 23, first backflow
Electromagnetic valve the 71, second return flow solenoid valve 81, it is achieved Based Intelligent Control entering water electromagnetic valve 11, go out water solenoid valve 23, first and reflux electromagnetism
The keying of valve the 71, second return flow solenoid valve 81, TDS detector 21 intelligent decision TDS value, it is to avoid long-time shutdown causes TDS inclined
High and avoid the TDS value the highest problem causing machine normally the to work appearance of indivedual areas.
Concrete control mode is as follows:
The TDS value detected when TDS detector 21 is in preset range value, then it represents that water quality is normal, now goes out water power
Magnet valve 23 is in open state, and the first return flow solenoid valve 71 on the first return duct 7 is closed.Pure water is through pure water outlet pipe
2, effusion meter 22 enters rearmounted composite filter element 3.
When the TDS value that TDS detector 21 detects is more than preset range value, i.e. represent that TDS value is higher, now goes out water power
Magnet valve 23 is closed, and the first return flow solenoid valve 71 on the first return duct 7 is normally opened, by the first check valve on the first return duct 7
72 are back in reverse osmosis membrane filter element water inlet pipe 4.
When the TDS value that TDS detector 21 detects is less than preset range value, then the second backflow on the second return duct 8
Electromagnetic valve 81 is opened, and by waste water proportioner 61 refluxing portion condensed water, another part condensed water is by the second return duct 8
Second check valve 82 flows back in reverse osmosis membrane filter element water inlet pipe 4.
The preset value of the TDS value employed in the present embodiment is 50, in order to the water TDS after making balance can be less than 50, this
Reverse osmosis membrane filter element part water meets below equation:
TFormer*VFormer+TDense*VDense<TPure*VPure。
Wherein: TFormerReverse osmosis membrane filter element part TDS value or close former water TDS value；
VFormerClose former water capacity；
VDenseClose dense water capacity；
TDenseReverse osmosis membrane filter element part dense water TDS value；
VPureRearmounted part total pure water volume；
TPureRearmounted portion of pure water TDS value.
By above formula, rearmounted partial volume must is fulfilled for relation above, and V is dense and the former need of V are sufficiently small, then can accomplish to put down
The state that after weighing apparatus, TDS can be relatively small.
The embodiment water purifier provided by the present invention defines following mode of operation, opening of each operating mode circuit original paper
Close.
State see table:
The present embodiment first powers on flushing 18S, when Intelligent faucet is closed, rinses stopping action after 18S, work as intelligence
When tap is opened, starting controlling the water circulation, control system detects when machine breaks down, and stops controlling the water circulation, and Intelligent faucet sends out a warning, display
Panel prompting fault.
For protection reverse osmosis membrane service life be not easily blocked, when machine power on 16 little time not controlling the water circulation time, for protection with prolong
Long reverse osmosis membrane service life, machine auto-flushing 18S, after controlling the water circulation, tap stops after closing and rinsing 5S.
In a word, the foregoing is only presently preferred embodiments of the present invention, all equalizations made according to scope of the present invention patent
Change and modification, all should belong to the covering scope of patent of the present invention.
Claims (8)
1. there is the water purifier reducing pure water TDS value function, including former water water inlet pipe (1) and be connected with former water water inlet pipe (1)
Reverse osmosis membrane filter element water inlet pipe (4), former water water inlet pipe (1) is provided with entering water electromagnetic valve (11) and booster pump (12), reverse osmosis membrane
Being provided with reverse osmosis membrane filter element (5) on filter element water inlet pipe (4), the pure water outlet of reverse osmosis membrane filter element (5) connects has pure water to go out
Water pipe (2), it is characterised in that: the upper connection of pure water outlet pipe (2) has the first backflow being connected with reverse osmosis membrane filter element water inlet pipe (4)
Pipe (7), the first return duct (7) is provided with the first return flow solenoid valve (71) and flows to as flowing to reverse osmosis membrane filter element water inlet pipe (4)
The first check valve (72).
The most according to claim 1 have the water purifier reducing pure water TDS value function, it is characterised in that: reverse osmosis membrane filtration
The condensed water outlet of core (5) connects condensed water outlet pipe (6), and the upper connection of condensed water outlet pipe (6) has and reverse osmosis membrane filtration
The second return duct (8) that core water inlet pipe (4) connects, the second return duct (8) is provided with the second return flow solenoid valve (81) and the flow direction is
Flow to second check valve (82) of reverse osmosis membrane filter element water inlet pipe (4).
The most according to claim 1 have the water purifier reducing pure water TDS value function, it is characterised in that: also include controlling
System, control system includes the controller being preset with TDS value and is arranged on what pure water outlet pipe (2) above and was connected with controller
TDS detector (21), TDS detector (21) is used for detecting the TDS value in pure water outlet pipe (2) and the TDS value detected being sent out
Giving controller, controller is for comparing and according to comparing knot with the TDS value preset in controller the TDS value received
Fruit controls entering water electromagnetic valve (11), the first return flow solenoid valve (71) and the keying of the second return flow solenoid valve (81).
The most according to claim 2 have the water purifier reducing pure water TDS value function, it is characterised in that: former water water inlet pipe
(1) two the preposition composite filter elements (9) being connected in parallel it are additionally provided with on.
The most according to claim 1 have the water purifier reducing pure water TDS value function, it is characterised in that: pure water outlet pipe
(2) being provided with rearmounted composite filter element (3), rearmounted composite filter element (3) includes that filter element cylinder (31), filter element cylinder are provided with filter element in (31)
Charcoal cylinder (32), forms intake tunnel (33) between outer surface and the inner surface of filter element cylinder (31) of filter element charcoal cylinder (32)；
Being provided with activated carbon in filter element charcoal cylinder (32), filter element charcoal cylinder (32) bottom is provided with inlet opening, and top connects ultrafiltration membrane filter element
(35) dividing plate (36) of band water hole, it is provided with between filter element charcoal cylinder (32) and ultrafiltration membrane filter element (35).
The most according to claim 5 have the water purifier reducing pure water TDS value function, it is characterised in that: filter element charcoal cylinder
(32) and it is equipped with non-woven fabrics (37) bottom ultrafiltration membrane filter element (35).
The most according to claim 1 have the water purifier reducing pure water TDS value function, it is characterised in that: condensed water water outlet
The upper connection of pipe (6) has waste water proportioner (61) and the scouring electromagnetic valve (62) being connected with controller.
The most according to claim 1 have the water purifier reducing pure water TDS value function, it is characterised in that: pure water outlet pipe
(2) be provided be connected with controller go out water solenoid valve (23) and effusion meter (22), effusion meter (22) is used for detecting pure water flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610549727.4A CN106040000A (en) | 2016-07-11 | 2016-07-11 | Water purifier with function of reducing pure water TDS value |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610549727.4A CN106040000A (en) | 2016-07-11 | 2016-07-11 | Water purifier with function of reducing pure water TDS value |
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| CN106040000A true CN106040000A (en) | 2016-10-26 |
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| CN201610549727.4A Pending CN106040000A (en) | 2016-07-11 | 2016-07-11 | Water purifier with function of reducing pure water TDS value |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106745898A (en) * | 2016-12-28 | 2017-05-31 | 北京四季沐歌太阳能技术集团有限公司 | The counter-infiltration water manufacturing system and its method of a kind of holding water quality |
| CN106830187A (en) * | 2016-12-28 | 2017-06-13 | 浙江沁园水处理科技有限公司 | With the water purifier for preventing reverse osmosis membrane secondary pollution function |
| CN106927542A (en) * | 2017-05-17 | 2017-07-07 | 中创意德（北京）科技发展有限公司 | A kind of compact household water-purifying machine and intelligent domestic water purifier |
| CN108264155A (en) * | 2017-01-04 | 2018-07-10 | 北京思维力科技发展有限公司 | A kind of water purifier for adjusting production water TDS values |
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Application publication date: 20161026 |