CN205965523U - Water purifier with reduce pure water TDS value function - Google Patents
Water purifier with reduce pure water TDS value function Download PDFInfo
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- CN205965523U CN205965523U CN201620739473.8U CN201620739473U CN205965523U CN 205965523 U CN205965523 U CN 205965523U CN 201620739473 U CN201620739473 U CN 201620739473U CN 205965523 U CN205965523 U CN 205965523U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 278
- 239000012528 membrane Substances 0.000 claims abstract description 83
- 238000001223 reverse osmosis Methods 0.000 claims description 64
- 239000003610 charcoal Substances 0.000 claims description 27
- 239000002131 composite material Substances 0.000 claims description 21
- 239000002351 wastewater Substances 0.000 claims description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 238000000108 ultra-filtration Methods 0.000 claims description 13
- 238000005374 membrane filtration Methods 0.000 claims description 7
- 238000009991 scouring Methods 0.000 claims description 6
- 239000004745 nonwoven fabric Substances 0.000 claims description 5
- 235000013399 edible fruits Nutrition 0.000 claims 1
- 238000000746 purification Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 6
- 235000020188 drinking water Nutrition 0.000 description 4
- 239000003651 drinking water Substances 0.000 description 4
- 230000004907 flux Effects 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 229940088710 Antibiotic Drugs 0.000 description 2
- 206010033307 Overweight Diseases 0.000 description 2
- 230000000844 anti-bacterial Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 235000020825 overweight Nutrition 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000003821 menstrual periods Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000813 microbial Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000035943 smell Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Abstract
The utility model relates to a water purification field, the utility model discloses a water purifier with reduce pure water TDS value function, it includes raw water intake pipe (1) and RO membrane filter core inlet tube (4) be connected with raw water intake pipe (1), be provided with RO membrane filter core (5) on RO membrane filter core inlet tube (4), the pure water delivery port of RO membrane filter core (5) is connected with pure water outlet pipe (2), be connected with first back flow (7) be connected with RO membrane filter core inlet tube (4) on pure water outlet pipe (2), be equipped with first backward flow solenoid valve (71) and first check valve (72) of the flow direction for flow direction RO membrane filter core inlet tube (4) on first back flow (7). The utility model discloses a set up first back flow for water natural convection before RO membrane filter core handles after, messenger TDS reaches the balance, effectively reduces the TDS value on the pure water pipeline.
Description
Technical field
This utility model is related to water purification field, and more particularly, to a kind of have a water purifier reducing pure water TDS value function.
Background technology
With the continuous improvement of people's lives quality, big flux and the fresh and alive diseases caused by retention of fluid use of system will become water purification industry main flow.
Environmental security and health problem cause the highest attention of the common people.Because the flaw of pollution of waterhead and water system makes people give birth to
Apply flexibly and in water, there is the impurity being no good for health and solvent, lead to 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 economize 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 strictly control the response rate of reverse osmosis membrane, the response rate of typically single reverse-osmosis membrane element will control
Less than 15%, such 85% water is discharged in the form of concentrated water.The waste water ratio of general household reverse osmosis film is 3：1, even as high as
5：1, that is, produce 1 glass of pure water, 3 glasss to 5 glasss waste water of output, and with the development using fouling membrane, the permeant flux of film by
Gradually reduce, waste water ratio gradually rises.If if these " waste water " are not used, will result in very big water resource waste.Therefore,
The response rate improving reverse osmosis water purification machine is the current difficulties needing and solving.The generation of reverse osmosis water purification machine waste water can not keep away
Exempt from, it is substantially impossible to realize non-wastewater discharge, can only take measures to reduce wastewater flow rate.
(2) pressure water storage barrel secondary pollution problem.Due to reverse osmosis membrane filtration high precision, 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 therefore traditional process structure of classical reverse osmosis water purification machine
When standby pressure water storage barrel uses cooperatively to meet 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, fill water above, inflate below.During water purification machine controlling the water circulation, the water making is stored in rubber liner, when reaching certain pressure
Stop controlling the water circulation afterwards；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, lead to the made pure water meeting time of staying long, secondly also have the quality of rubber liner itself
Problem and aging, the rubber liner being thus difficult to avoid that in pressure pot is likely to occur microbial growth, Asia in use
The secondary pollution problems such as nitrate is exceeded, rubber smell.
And presently commercially available no tub reverse osmosis water purification machine, most reverse osmosis membranes only with Dan Zhi great flux,
Cancel pressure water storage barrel, the problems such as after long-time shutdown, water outlet TDS is exceeded first (TDS is more than or equal to 50) occur, Ge Biechang
The water that business's rearmounted carbon filtration core is left for a long time or the water of releasing overnight also can have such problems as that bacteria breed is serious.
Utility model content
This utility model is directed to water purification machine of the prior art or water purifier has waste water ratio greatly, does not economize on water, and TDS is exceeded etc.
Problem, there is provided the higher water saving water purifier of pure water TDS is shut down in a kind of solution for a long time.
In order to solve above-mentioned technical problem, this utility model is addressed by following technical proposals：
There is the water purifier reducing pure water TDS value function, the reverse osmosis be connected including raw water water inlet pipe and with raw 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 is connected with pure water outlet pipe, and pure water outlet pipe is connected with 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 for flowing to reverse osmosis membrane filter element water inlet pipe.
In the application, the first return duct being connected with reverse osmosis membrane filter element water inlet pipe is connected with pure water outlet pipe, can make
Portion of pure water after treatment can with natural back flow to reverse osmosis membrane filter element so that water through reverse osmosis membrane filter element before processing with
Portion of pure water after processing through reverse osmosis membrane filter element or rearmounted filter element just can permeate back reverse osmosis membrane filter element with free convection,
Make TDS reach balance, effectively reduce the TDS value in pure water pipeline.
Preferably, raw 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 is connected with condensed water outlet pipe, and condensed water outlet pipe is connected with 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 for flowing to reverse osmosis membrane filter element water inlet pipe.
By arranging the second return duct, and the second check valve is arranged on the second return duct, to after reverse osmosis membrane filter element is processed
Condensed water is processed 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 also fully finished and makes TDS local higher, the second return duct can be flowed back into raw water on a small quantity,
After the first return duct is just permeating fully naturally, TDS value is made to reduce, after such as the second return duct persistently flows back, TDS value is still inclined
Height, then judge that local water quality itself is higher, automatically recover normal controlling the water circulation state.
Preferably, also including control system, control system includes being preset with the controller of TDS value and be arranged on pure water
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, controller be used for the TDS value receiving is compared with TDS value default in controller
And control the keying of entering water electromagnetic valve, the first return flow solenoid valve and the second return flow solenoid valve according to comparative result.By controlling
The TDS value of the pure water that system monitoring is obtained, and control the keying of each electric elements according to the TDS value detecting, realize whole
The Based Intelligent Control of individual water purifier.
Preferably, two preposition composite filter elements being connected in parallel, two preposition composite filters are additionally provided with raw water water inlet pipe
Core, entering water electromagnetic valve and booster pump are successively set on raw water water inlet pipe from raw water inlet opening.By preposition filter element, raw water is entered
Row pretreatment, effectively improves water purifier purifying water effect.
Preferably, pure water outlet pipe is provided with rearmounted composite filter element, rearmounted composite filter element includes filter element cylinder, filter element cylinder
Inside it is provided with filter element charcoal cylinder, between the outer surface of filter element charcoal cylinder and the inner surface of filter element cylinder, forms intake tunnel, 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 raw water water yield of required process；Filter
It is provided with activated carbon, filter element charcoal cylinder bottom is provided with inlet opening, and top is connected with ultrafiltration membrane filter element, filter element charcoal cylinder in core charcoal cylinder
It is provided with the dividing plate with water hole and ultrafiltration membrane filter element between.Increased by way of ultrafilter membrane effectively to nuisances such as antibacterials by this kind
Matter is intercepted, and improves water purifier producing water water quality it is ensured that each dripping is all safe and reliable drinking water, solves traditional rearmounted
The rearmounted charcoal breed bacteria severe overweight that carbon filtration core there is a problem of and leads to for a long time because of stagnant water.
Preferably, filter element charcoal cylinder and ultrafiltration membrane filter element bottom are equipped with non-woven fabrics, by non-woven fabrics 37, can be effective
Intercept the scattered charcoal in charcoal granule.
Preferably, waste water proportioner and the scouring electromagnetic valve being connected with controller are connected with condensed water outlet pipe.Logical
Cross setting scouring electromagnetic valve to realize being 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.
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 by pcb board
Pulse, record instantaneous delivery and integrated flux, make user according to its demand practicality water purifier.
This utility model, due to employing above technical scheme, has significant technique effect：
This utility model passes through to connect, on pure water outlet pipe, the first return duct being connected with reverse osmosis membrane filter element water inlet pipe,
Can make the 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 before processing
Water can just permeate back reverse osmosiss membrane filtration with free convection with the portion of pure water after reverse osmosis membrane filter element or the process of rearmounted filter element
Core, makes TDS reach balance, effectively reduces the TDS value in pure water pipeline.
Brief description
Fig. 1 is the structural representation of rearmounted composite filter element in this utility model embodiment 1；
Fig. 2 is the structural representation of this utility model embodiment 1.
The toponym that in accompanying drawing, each number designation is referred to is as follows：1 raw 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 water solenoid valves, 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.
Specific embodiment
With embodiment, this utility model 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 raw water water inlet pipe 1 and pure water outlet pipe
2, raw water water inlet pipe 1 is provided with entering water electromagnetic valve 11, booster pump 12 and two 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 raw water water inlet pipe 1 from raw water inlet opening.
Also include the reverse osmosis membrane filter element water inlet pipe 4 being connected with raw water water inlet pipe 1, reverse osmosis membrane filter element water inlet pipe 4 sets
It is 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 is connected with condensed water outlet pipe 6.Pure water outlet pipe 2 be provided with flow to pure water outlet check valve and all with
The water solenoid valve 23 that controller connects and the effusion meter 22 for detecting pure water flow.
It is connected to, on pure water outlet pipe 2, condensed water outlet pipe 6, first being connected with reverse osmosis membrane filter element water inlet pipe 4
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 osmosiss 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 the outer surface of filter element charcoal cylinder 32 and the inner surface of filter element cylinder 31, form intake tunnel
33, the width of intake tunnel 33 is 100mm；It is provided with activated carbon, filter element charcoal cylinder 32 bottom is provided with into water in filter element charcoal cylinder 32
Hole, top is connected with ultrafiltration membrane filter element 35, is provided with the dividing plate 36 with water hole between filter element charcoal cylinder 32 and ultrafiltration membrane filter element 35,
Filter element charcoal cylinder 32 and ultrafiltration membrane filter element 35 bottom are equipped with non-woven fabrics 37.
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
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, need by being somebody's turn to do
The water that rearmounted composite filter element 3 is processed enters in filter element through the outlet on end cover of filter element 39, 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 bottom through intake tunnel 33
Inside portion, then the inlet opening entrance filter element charcoal cylinder 32 through filter element charcoal cylinder 32 bottom, through activated carbon adsorption, through activated carbon adsorption
Water afterwards enters in ultrafiltration membrane filter element 35 through the water hole on dividing plate 36 and is processed again, increases ultrafilter membrane by this kind
Mode effectively intercepts to harmful substances such as antibacterials, improves water purifier producing 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 carbon filtration core leads to because of long-time presence of stagnant water
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
The enough free convection of the part water energy of filter membrane filter element 35 before processing, so can make TDS value reach balance.
Also include control system, control system includes being preset with the controller of 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 detecting value being sent to control
Device processed, controller is used for the TDS value receiving is compared and according to comparative result control with default TDS value in controller
The keying of entering water electromagnetic valve 11, the first return flow solenoid valve 71 and the second return flow solenoid valve 81.It is connected with condensed water outlet pipe 6
Waste water proportioner 61 and the scouring electromagnetic valve 62 being connected with controller, when control system is in 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.
Raw water enters raw water water inlet pipe 1, carries out pretreatment through preposition composite filter element 9 first, is then passed through entering water electromagnetic valve
11, enter reverse osmosis membrane filter element 5 through reverse osmosis membrane filter element water inlet pipe 4 after being pressurized in the presence of booster pump 12, 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 is processed
The pure water obtaining pure water outlet pipe 2 is flowed into by the pure water outlet of reverse osmosis membrane filter element 5, and after through rearmounted composite filter
Core 3 is processed again obtains pure water；And the condensed water menstrual period condensed water outlet obtaining after processing through reverse osmosis membrane filter element 5
Enter condensed water outlet pipe 6, and flow out through waste water proportioner 61.And the raw water inlet in reverse osmosis membrane filter element 5 and concentration
Water water outlet is equipped with check valve, can effectively prevent raw water and condensed water backflow from producing and just permeating and lead to TDS higher.
Controller includes master control borad and the signal transmission board being all connected with master control borad and signal receiver board, in controlling the water circulation process
In, the TDS value in the pure water detecting outlet pipe 2 is sent by the TDS detector 21 on pure water outlet pipe 2 by signal receiver board
To master control borad, master control borad is used for signal being analyzed process, the TDS value that will receive with its in default TDS value carry out
Relatively, and according to comparative result entering water electromagnetic valve 11, water solenoid valve 23, first backflow are sent a signal to by signal transmission board
Electromagnetic valve 71, the second return flow solenoid valve 81, realize Based Intelligent Control entering water electromagnetic valve 11, water solenoid valve 23, first backflow electromagnetism
Valve 71, the keying of the second return flow solenoid valve 81, TDS detector 21 intelligent decision TDS value, it is to avoid long-time shutdown leads to TDS inclined
High and avoid regional TDS value individually too high lead to machine cannot normal work problem appearance.
Concrete control mode is as follows：
When the TDS value that TDS detector 21 detects is in preset range value then it represents that water quality is normal, now go 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
2nd, effusion meter 22 enters rearmounted composite filter element 3.
When the TDS value that TDS detector 21 detects is more than preset range value, that is, 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 passed through on 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 that the water TDS after 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 closing raw water TDS value；
VFormerClosing raw water volume；
VDenseClosing concentrated water volume；
TDenseReverse osmosis membrane filter element part concentrated water TDS value；
VPureRearmounted partly 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.
Define following mode of operation by the embodiment water purifier that this utility model provides, each operating mode circuit original paper
Opening and closing.
State see table：
First power on flushing 18S in the present embodiment, when intelligent faucet is closed, rinse stopping action after 18S, work as intelligence
When tap is opened, start controlling the water circulation, when control system detects machine and breaks down, stop controlling the water circulation, intelligent faucet sends out a warning, display
Fault pointed out by panel.
For protecting reverse osmosis membrane service life and being not easily blocked, when electric 16 hours not controlling the water circulation on machine, for protecting and prolonging
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 preferred embodiment of the present utility model, all according to this utility model claim institute
The impartial change made and modification, all should belong to the covering scope of this utility model patent.
Claims (8)
1. there is the water purifier reducing pure water TDS value function, be connected including raw water water inlet pipe (1) and with raw water water inlet pipe (1)
Reverse osmosis membrane filter element water inlet pipe (4), reverse osmosis membrane filter element water inlet pipe (4) is provided with reverse osmosis membrane filter element (5), reverse osmosiss membrane filtration
The pure water outlet of core (5) be connected with pure water outlet pipe (2) it is characterised in that：Pure water outlet pipe is connected with and reverse osmosiss on (2)
The first return duct (7) that membrane filtration core water inlet pipe (4) connects, the first return duct (7) is provided with the first return flow solenoid valve (71) and stream
To the first check valve (72) for flowing to reverse osmosis membrane filter element water inlet pipe (4).
2. according to claim 1 have reduce pure water TDS value function water purifier it is characterised in that：Reverse osmosiss membrane filtration
The condensed water outlet of core (5) is connected with condensed water outlet pipe (6), and condensed water outlet pipe (6) is connected with and reverse osmosiss 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 flows to and be
Flow to second check valve (82) of reverse osmosis membrane filter element water inlet pipe (4).
3. according to claim 1 have reduce pure water TDS value function water purifier it is characterised in that：Also include controlling
System, control system includes being preset with the controller of TDS value and is arranged on what pure water outlet pipe (2) was gone up and was connected with controller
TDS detector (21), TDS detector (21) is used for detecting TDS value in pure water outlet pipe (2) and sends out the TDS detecting value
Give controller, controller is used for the TDS value receiving is compared with TDS value default in controller and according to comparing knot
Fruit controls the keying of entering water electromagnetic valve (11), the first return flow solenoid valve (71) and the second return flow solenoid valve (81).
4. according to claim 2 have reduce pure water TDS value function water purifier it is characterised in that：Raw water water inlet pipe
(1) it is additionally provided with the preposition composite filter element of two being connected in parallel (9) on.
5. according to claim 1 have reduce pure water TDS value function water purifier it is characterised in that：Pure water outlet pipe
(2) it is provided with rearmounted composite filter element (3), rearmounted composite filter element (3) includes filter element cylinder (31), and filter element cylinder is provided with filter element in (31)
Charcoal cylinder (32), forms intake tunnel (33) between the inner surface of the outer surface of filter element charcoal cylinder (32) and filter element cylinder (31)；
It is provided with activated carbon, filter element charcoal cylinder (32) bottom is provided with inlet opening, and top is connected with ultrafiltration membrane filter element in filter element charcoal cylinder (32)
(35), it is provided with the dividing plate with water hole (36) between filter element charcoal cylinder (32) and ultrafiltration membrane filter element (35).
6. according to claim 5 have reduce pure water TDS value function water purifier it is characterised in that：Filter element charcoal cylinder
And ultrafiltration membrane filter element (35) bottom is equipped with non-woven fabrics (37) (32).
7. according to claim 1 have reduce pure water TDS value function water purifier it is characterised in that：Condensed water water outlet
It is connected with waste water proportioner (61) and the scouring electromagnetic valve (62) being connected with controller on pipe (6).
8. according to claim 1 have reduce pure water TDS value function water purifier it is characterised in that：Pure water outlet pipe
(2) it is provided with the water solenoid valve (23) being connected with controller and effusion meter (22), effusion meter (22) is used for detecting pure water flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201620739473.8U CN205965523U (en) | 2016-07-11 | 2016-07-11 | Water purifier with reduce pure water TDS value function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620739473.8U CN205965523U (en) | 2016-07-11 | 2016-07-11 | Water purifier with reduce pure water TDS value function |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108187498A (en) * | 2018-01-18 | 2018-06-22 | 安徽三弟电子科技有限责任公司 | A kind of household water purifier ultrafiltration membrane filter element protective device and its control system |
| CN109420431A (en) * | 2017-09-01 | 2019-03-05 | 刘爱东 | The water-saving RO film group of natural water pressure and application method |
| WO2019091818A1 (en) * | 2017-11-09 | 2019-05-16 | Unilever N.V. | A water dispensing device for dispensing water having consistent taste |
| WO2019091937A1 (en) * | 2017-11-09 | 2019-05-16 | Unilever N.V. | A water dispensing device for dispensing water having consistent taste |
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2016
- 2016-07-11 CN CN201620739473.8U patent/CN205965523U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109420431A (en) * | 2017-09-01 | 2019-03-05 | 刘爱东 | The water-saving RO film group of natural water pressure and application method |
| WO2019091818A1 (en) * | 2017-11-09 | 2019-05-16 | Unilever N.V. | A water dispensing device for dispensing water having consistent taste |
| WO2019091937A1 (en) * | 2017-11-09 | 2019-05-16 | Unilever N.V. | A water dispensing device for dispensing water having consistent taste |
| US11298659B2 (en) | 2017-11-09 | 2022-04-12 | Conopco, Inc. | Water dispensing device for dispensing water having consistent taste |
| CN108187498A (en) * | 2018-01-18 | 2018-06-22 | 安徽三弟电子科技有限责任公司 | A kind of household water purifier ultrafiltration membrane filter element protective device and its control system |
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