CN206308148U - A kind of water purifier of adjustable TDS values - Google Patents
A kind of water purifier of adjustable TDS values Download PDFInfo
- Publication number
- CN206308148U CN206308148U CN201621336293.1U CN201621336293U CN206308148U CN 206308148 U CN206308148 U CN 206308148U CN 201621336293 U CN201621336293 U CN 201621336293U CN 206308148 U CN206308148 U CN 206308148U
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- water
- delivery port
- water inlet
- filter vat
- pressured
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 222
- 235000020188 drinking water Nutrition 0.000 claims abstract description 22
- 239000003651 drinking water Substances 0.000 claims abstract description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 29
- 229910052799 carbon Inorganic materials 0.000 claims description 23
- 238000001914 filtration Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 24
- 239000011707 mineral Substances 0.000 abstract description 24
- 230000006641 stabilisation Effects 0.000 abstract description 5
- 238000011105 stabilization Methods 0.000 abstract description 5
- 235000010755 mineral Nutrition 0.000 description 23
- 239000012528 membrane Substances 0.000 description 9
- 238000002156 mixing Methods 0.000 description 8
- 101100372509 Mus musculus Vat1 gene Proteins 0.000 description 7
- 238000000746 purification Methods 0.000 description 6
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 3
- 239000008399 tap water Substances 0.000 description 3
- 235000020679 tap water Nutrition 0.000 description 3
- 235000013619 trace mineral Nutrition 0.000 description 3
- 239000011573 trace mineral Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 238000003911 water pollution Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000035622 drinking Effects 0.000 description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005374 membrane filtration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001728 nano-filtration Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- BITYAPCSNKJESK-UHFFFAOYSA-N potassiosodium Chemical compound [Na].[K] BITYAPCSNKJESK-UHFFFAOYSA-N 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
Landscapes
- Water Treatment By Sorption (AREA)
Abstract
The utility model discloses a kind of water purifier of adjustable TDS values, including booster pump, third level filter vat, RO films and Pressured water tank, the water inlet of booster pump receives external water, the delivery port of booster pump connects the water inlet of third level filter vat, the delivery port of third level filter vat respectively with the water inlet of RO films, the water inlet connection of Pressured water tank, and it is provided with the second magnetic valve on the interface channel of the water inlet of the delivery port of third level filter vat and Pressured water tank, the delivery port of RO films is connected with the water inlet of Pressured water tank, the delivery port of Pressured water tank carrys out output of drinking water with external connection, there is milipore filter on third level filter vat.The pure water that the mineral water and RO films that the water purifier of TDS values that this is adjustable can produce milipore filter are produced mixes and produces stabilization TDS value drinking water, and according to different quality is regional, different clients actual demands produce the drinking water of different TDS values.
Description
Technical field
The utility model is related to technical field of water purification, more particularly to a kind of water purifier of adjustable TDS values.
Background technology
In terminal water purification field, core technology is always membrane filter method, i.e., milipore filter, RO films, NF membrane are because of pore size filter
It is different and respectively have quality.
In southern area of China, because abundant rainfall, water pollution be relatively small, water hardness is relatively low, ultrafiltration membrane water purifier
Product has retained silt, colloid, algae, organic matter, bacterium in water etc., while retaining with its 0.01 micron of pore size filter
All mineral matters in water, people can have been allowed in the case where the use of municipal tap water being raw water with health cleaning substantially
Water, it obtains the accreditation of user so as to be able to large area application and popularizations without electricity consumption, raw water utilization rate advantage high.And it is Chinese
, because rainfall is on the low side, water pollution is higher, water hardness is high, the water purifier product based on milipore filter is because that cannot reduce for northern area
The hardness of water, and there are the phenomenons such as delivery port sense is poor, fouling of heating up water, user can not receive and make popularization hindered.
RO membrane filtrations high precision can filter all impurity than water up to 0.0001 micron, almost, eliminate incrustation scale
The good mouthfeel of drinking water is maintained, occupation rate of market persistently rises.But the water purification machine of high filtering precision, all has filtering out
Mineral matter and the trace element beneficial to human body is also filtered out while evil material, old man and child drink and may make for a long time
Trace element is lost in and then has pathogenic danger in adult body body, is also queried by user to a certain extent.
Nanofiltration membrane aperture is 0.001 micron, between milipore filter and RO films, partly combines milipore filter and RO films
Advantage, all impurity that milipore filter can be filtered can be filtered, the calcium ions and magnesium ions and a huge sum of money in water can also be effectively filtered out
Category ion simultaneously retains monovalention such as potassium sodium plasma, can also can make up RO while can removing scale removal to a certain extent
The water purification machine of membrane filtration does not have the defect of trace element substantially.But it can only retain monovalention and filter all bivalents and multivalence
The principle of ion, prevent various mineral matters in water from obtain it is comprehensive and systematic retain by a certain percentage, comprise only monovalention
Water is not the due healthy water of nature, and " healthy water " principle has substantive defect.And it is various in the water of different regions
Ion thing content is varied, water outlet detection TDS values, and salt rejection rate is floated between 40-90%, without comprehensive and systematic detection
Under whether being difficult to discriminate between in the case of instrument probably due to NF membrane diaphragm has and damages the salt rejection rate for causing to a certain degree significantly
Drop, so uses in the unstable area of water pollution degree and has a certain degree of health risk.And because production technology
The relative complex NF membrane for being difficult to stably produce reliable in quality, only several well-known film manufacturers of family of foreign countries can produce
Real NF membrane, domestic film manufacturer can not produce qualified NF membrane, in addition because output is small, the valency of NF membrane
Lattice are high, can not obtain the popularization in effective big face.
Drink not only safety but also the direct drinking demand of health to meet client, water purification industry widespread practice be promote pure water,
The double water dispensers of mineral water, the pure water (the utility model middle finger pure water) of RO film outputs that will be inside the water purifier of adjustable TDS values and
The mineral water of milipore filter output（The utility model middle finger mineral water water）It is separately controlled with double faucet waters, client can voluntarily select to beat
Open pure water or mineral water is drunk.But the shortcoming of this way be mineral water compared with pure water poor taste away from obvious, and mineral water can not
Scale removal is removed, the final choice of most users is using mineral water as wash vegetables, the washing of rice washing by pure water as drinking water
With water, lose the double water dispensers of producer's popularization and not only ensured safety but also the meaning of health care health.
Therefore it is urgently a kind of to produce different TDS values drinks according to the actual demands of different quality area, different clients
With the water purification technology of water.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of water purifier of adjustable TDS values, can be by mineral water and pure water
Mixing produces stabilization TDS values, and according to different quality is regional, different clients actual demands produce drinking for different TDS values
Water.
The technical solution of the utility model is：A kind of water purifier of adjustable TDS values, including booster pump, third level filter vat,
RO films and Pressured water tank, the water inlet of the booster pump receive external water, the delivery port connection the described 3rd of the booster pump
The water inlet of level filter vat, the delivery port of the third level filter vat respectively with the water inlet of the water inlet, Pressured water tank of RO films
The is provided with mouthful connection, and the delivery port of the third level filter vat and the interface channel of the water inlet of the Pressured water tank
Two magnetic valves, the delivery port of the RO films is connected with the water inlet of the Pressured water tank, the delivery port of the Pressured water tank
Carry out output of drinking water with external connection, there is milipore filter on the third level filter vat.
Also include first order filter vat and second level filter vat, delivery port and the second level of the first order filter vat are filtered
The water inlet connection of bucket, the delivery port of the second level filter vat is connected with the water inlet of the booster pump, first order filter vat
Water inlet input external water.
It is provided with the delivery port of the first order filter vat and the interface channel of the water inlet of the second level filter vat
First magnetic valve.
The delivery port of the Pressured water tank is connected with the water inlet of active carbon filter, and the active carbon filter goes out
The mouth of a river is connected with the water inlet of tap, the delivery port output of drinking water of the tap.
Water inlet of the delivery port of the RO films also with the active carbon filter is connected.
The first high pressure is provided with the delivery port of the RO films and the interface channel of the water inlet of the active carbon filter
Switch.
Water inlet of the delivery port of the Pressured water tank also with the RO films is connected, in the water outlet of the Pressured water tank
Mouthful with the interface channel of the water inlet of the RO films on be provided with the check valve that makes drinking water in Pressured water tank flow into RO films.
It is high second to be provided with the delivery port of the active carbon filter and the interface channel of the water inlet of the tap
Compress switch.
The active carbon filter is small T33 Postposition carbon filters.
The first order filter vat has PPF filter cores, the active carbon filtration core of second level filter vat.
The utility model proposes adjustable TDS values water purifier by booster pump and the second magnetic valve, can be by milipore filter
The pure water mixing that the mineral water and RO films of generation are produced produces stabilization TDS value drinking water, and drinking water is adjusted by the second magnetic valve
TDS values, meet different quality area, the actual demand of different clients.
Brief description of the drawings
Fig. 1 is the first example structure figure of the water purifier of the adjustable TDS values of the utility model；
Fig. 2 is second example structure figure of the water purifier of the adjustable TDS values of the utility model.
Specific embodiment
Such as Fig. 1, the utility model proposes adjustable TDS values water purifier, including booster pump 7, third level filter vat 5, RO
Film 10 and Pressured water tank 11, the water inlet of booster pump 7 receive external water, the delivery port connection third level filter vat 5 of booster pump 7
Water inlet, the delivery port of third level filter vat 5 water inlet respectively with RO films 10, the water inlet of Pressured water tank 11 be connected,
And the second magnetic valve 12 is provided with the interface channel of the water inlet of the delivery port of third level filter vat 5 and Pressured water tank 11,
The delivery port of RO films 10 is connected with the water inlet of Pressured water tank 11, and the delivery port of Pressured water tank 11 is exported with external connection
Drinking water, has milipore filter 6 on third level filter vat 5.So pressed through the mineral water and the pure water of the output of RO films 10 of the output of milipore filter 6
The controllable mixing of certain proportion is latter with entering into Pressured water tank 11, mixes to have and stablizes TDS values（Have and stablize ore deposit
Content of material）Drinking water, and drinking water TDS values can according to different quality area, different clients actual demands come
Adjustment.
The second electromagnetism is provided with the delivery port of third level filter vat with the interface channel of the water inlet of Pressured water tank
Valve compared with the waste water ratio of a manual ball valve or different water outlet proportion is set, manual ball valve or different water outlet proportions it is useless
Although water ratio can also adjust mineral water injection rate size, because mineral water the constant shunt water-carrying capacity of booster pump, RO films front end
Hydraulic pressure may with ball valve or waste water ratio adjustment mineral water size and change, this change may result in pure water aquifer yield not
Stabilization.In the case where mixing water does not enter Pressured water tank, because the effect without Pressured water tank counter-pressure, mixing water
TDS values be also possible to it is more stable, it is full close to water to Pressured water tank because the effect of counter-pressure but after entering pressure pot
Later stage, the ratio that pure water and mineral water are mixed into Pressured water tank is more unstable, eventually causes the upper and lower ripple of TDS values of mixing water
Dynamic amplitude is huge, it is impossible to reach the fixed stable TDS values requirement of user preset.Furthermore, if with manual ball valve or waste water ratio
If control mineral water output, user adjust again mixed proportion operation is cumbersome and accuracy is difficult to grasp, it is impossible to just
The stable TDS values of prompt, accurate adjustment mixing water, therefore the second magnetic valve is set herein.
Second magnetic valve uses short-time pulse formula to inject magnetic valve, i.e., the time of each opens solenoid valve is short, generally
Between 0.1 second to 5 seconds（In actually used preferably 0.5 second to 1 second or so）, kept for the second magnetic valve each opening time
Under conditions of constant, user can adjust the injection rate of mineral water by the unlatching cycle of circuit board setting the second magnetic valve of adjustment,
Different TDS values requirements are reached, i.e., the TDS values of drinking water are adjusted by the second magnetic valve.In practical operation, the second electromagnetism
The gap periods major control that valve is opened was at 15 seconds to 1 minute.The method of this pulsed injection mineral water is to pure water yield effect
It is small, even if in Pressured water tank close to the full counter-pressure of water big later stage, the ratio into the mixing water of Pressured water tank can also be protected
Hold constant, user's adjustment time in this gap periods compares corresponding hybrid parameter ratio table, you can accurately mix output
The drinking water of stabilization TDS values.
The effect of booster pump 7 be make the output of milipore filter 6 mineral water remain at pump supercharging in the state of, make the third level
Filter vat injects the water quantity exchange of Pressured water tank with pulsed, is not influenceed by tap water hydraulic change, makes mineral water and pure water
Mix according to constant ratio, the drinking water TDS values of such output can stably reach the predetermined value of needs.
The water purifier of TDS values that this is adjustable also includes first order filter vat 1 and second level filter vat 3, first order filter vat 1
Delivery port is connected with the water inlet of second level filter vat 3, and the delivery port of second level filter vat 3 is connected with the water inlet of booster pump 7,
The water inlet input external water of first order filter vat 1.
In the present embodiment, the water inlet of first order filter vat 1 is connected with pipeline, one end connection three-way connection of the pipeline
17, and B122 ball valves 19 are provided with, the other end connection low tension switch 18 of the pipeline, such external water flows successively through three-way connection
Cross first order filter vat 1, second level filter vat 3, third level filter vat 5.
First order filter vat 1 has five microns of PPF filter cores 2, the active carbon filtration core 4 of second level filter vat 3.Booster pump
A transformer 8 is connected on 7, RO films 10 are coated with RO putaminas 13.In addition, the delivery port of first order filter vat 1 and second level mistake
The first magnetic valve 9 is provided with the interface channel of the water inlet of lauter tub 3, flow of inlet water is controlled.
The delivery port of Pressured water tank 11 is connected with the water inlet of active carbon filter 14, the water outlet of active carbon filter 14
Mouth is connected with the water inlet of tap 16, the delivery port output of drinking water of tap 16.
Water inlet of the delivery port of RO films 10 also with active carbon filter 14 is connected, delivery port and the activated carbon mistake of RO films 10
The first high-voltage switch gear 15 is provided with the interface channel of the water inlet of filter 14, the first high-voltage switch gear 15 controls the injection of pure water
Amount.
Such as Fig. 2, the present embodiment is with the difference of the first embodiment：The delivery port of Pressured water tank 11 also with RO
The water inlet connection of film 10, being provided with the delivery port of Pressured water tank 11 with the interface channel of the water inlet of RO films 10 makes storage
Drinking water in water pressure bucket 11 flows into the check valve 20 of RO films 10.
The second height is provided with the delivery port of active carbon filter 14 and the interface channel of the water inlet of tap 16 to press off
21 are closed, the second high-voltage switch gear 21 controls the output quantity of drinking water.
Active carbon filter is small T33 Postposition carbon filters in above two embodiment.
In addition, in above two embodiment, if the inner space of the water purifier of adjustable TDS values is sufficiently large, Ke Yi
Increase single filter bucket between second level filter vat and third level filter vat, that is, form level Four filter vat, the respectively first order
Filter vat, with PPF filter cores；Second level filter vat, active carbon filtration core；Third level filter vat, with reticulated carbon filter core；The
Level Four filter vat, with milipore filter, and booster pump is located between third level filter vat and fourth stage filter vat.
In the utility model, the water inlet of Pressured water tank is integrated with its delivery port, i.e. the water inlet of Pressured water tank
It is also its delivery port.
For example, in the northern area of China, the TDS values of the raw water such as well water, running water are generally in 300-500 or so, RO films
The pure water TDS values of output between 10 and 20, the water purifier of new adjustable TDS values are used using this, in city tap-water raw water
Water quality is preferably regional, can advise that user is allocated to TDS values 150-200, the slightly worse left side of area modulation TDS value 100 of water quality
The right side, both to have ensure that and retain enough mineral matters in water, made user that the generation of incrustation scale is substantially not visible in boiled water again.
Specific embodiment above is only used to illustrate design of the present utility model, and one of ordinary skill in the art exists
Various deformation and change can be made under design of the present utility model, these deformations and change are included in guarantor of the present utility model
Within the scope of shield.
Claims (10)
1. a kind of water purifier of adjustable TDS values, including booster pump, third level filter vat, RO films and Pressured water tank, its feature exist
In the water inlet of the booster pump receives external water, and the delivery port of the booster pump connects the water inlet of the third level filter vat
Mouthful, the delivery port of third level filter vat water inlet respectively with RO films, the water inlet of Pressured water tank are connected, and described the
The second magnetic valve, the RO are provided with the delivery port of three-stage filtration bucket and the interface channel of the water inlet of the Pressured water tank
The delivery port of film is connected with the water inlet of the Pressured water tank, and the delivery port of the Pressured water tank is exported with external connection
Drinking water, has milipore filter on the third level filter vat.
2. water purifier according to claim 1, it is characterised in that also including first order filter vat and second level filter vat,
The delivery port of the first order filter vat is connected with the water inlet of second level filter vat, the delivery port of the second level filter vat with
The water inlet connection of the booster pump, the water inlet input external water of first order filter vat.
3. water purifier according to claim 2, it is characterised in that the delivery port of the first order filter vat and described second
The first magnetic valve is provided with the interface channel of the water inlet of level filter vat.
4. water purifier according to claim 3, it is characterised in that the delivery port of the Pressured water tank is filtered with activated carbon
The water inlet connection of device, the delivery port of the active carbon filter is connected with the water inlet of tap, the water outlet of the tap
Mouth output of drinking water.
5. water purifier according to claim 4, it is characterised in that the delivery port of the RO films is also filtered with the activated carbon
The water inlet connection of device.
6. water purifier according to claim 5, it is characterised in that the delivery port of the RO films and the active carbon filter
Water inlet interface channel on be provided with the first high-voltage switch gear.
7. water purifier according to claim 5, it is characterised in that the delivery port of the Pressured water tank also with the RO films
Water inlet connection, being provided with the delivery port of the Pressured water tank with the interface channel of the water inlet of the RO films makes storage
Drinking water in water pressure bucket flows into the check valve of RO films.
8. water purifier according to claim 7, it is characterised in that the delivery port of the active carbon filter and the fire hose
The second high-voltage switch gear is provided with the interface channel of the water inlet of head.
9. the water purifier according to claim 6 or 8, it is characterised in that the active carbon filter is the rearmounted activity of small T33
Carbon filter.
10. the water purifier according to any one of claim 2 to 8, it is characterised in that the first order filter vat has
PPF filter cores, the active carbon filtration core of second level filter vat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621336293.1U CN206308148U (en) | 2016-12-07 | 2016-12-07 | A kind of water purifier of adjustable TDS values |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621336293.1U CN206308148U (en) | 2016-12-07 | 2016-12-07 | A kind of water purifier of adjustable TDS values |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206308148U true CN206308148U (en) | 2017-07-07 |
Family
ID=59250625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621336293.1U Active CN206308148U (en) | 2016-12-07 | 2016-12-07 | A kind of water purifier of adjustable TDS values |
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| Country | Link |
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| CN (1) | CN206308148U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107324525A (en) * | 2017-08-22 | 2017-11-07 | 江苏全给净化科技有限公司 | Adjustable TDS value direct drinking water purifiers |
| CN107364981A (en) * | 2017-07-28 | 2017-11-21 | 珠海格力电器股份有限公司 | Water purification system and water purifier |
| CN110734111A (en) * | 2019-11-22 | 2020-01-31 | 李尚军 | Water purifier capable of adjusting TDS value |
| CN111087089A (en) * | 2020-01-08 | 2020-05-01 | 佛山市顺德区碧信环保科技有限公司 | Water purifier capable of adjusting TDS value and control system and cleaning control method thereof |
| CN111545066A (en) * | 2019-02-12 | 2020-08-18 | 深圳富桂精密工业有限公司 | Water purifying and filtering device |
| CN115175877A (en) * | 2020-03-04 | 2022-10-11 | 伊莱克福有限公司 | System for purifying a liquid |
-
2016
- 2016-12-07 CN CN201621336293.1U patent/CN206308148U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107364981A (en) * | 2017-07-28 | 2017-11-21 | 珠海格力电器股份有限公司 | Water purification system and water purifier |
| CN107324525A (en) * | 2017-08-22 | 2017-11-07 | 江苏全给净化科技有限公司 | Adjustable TDS value direct drinking water purifiers |
| CN111545066A (en) * | 2019-02-12 | 2020-08-18 | 深圳富桂精密工业有限公司 | Water purifying and filtering device |
| CN110734111A (en) * | 2019-11-22 | 2020-01-31 | 李尚军 | Water purifier capable of adjusting TDS value |
| CN111087089A (en) * | 2020-01-08 | 2020-05-01 | 佛山市顺德区碧信环保科技有限公司 | Water purifier capable of adjusting TDS value and control system and cleaning control method thereof |
| CN115175877A (en) * | 2020-03-04 | 2022-10-11 | 伊莱克福有限公司 | System for purifying a liquid |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yang Han Inventor after: Duan Wei Inventor before: Yang Han |