CN110947233A - Leading bubble membrane water purification system - Google Patents
Leading bubble membrane water purification system Download PDFInfo
- Publication number
- CN110947233A CN110947233A CN201911320716.9A CN201911320716A CN110947233A CN 110947233 A CN110947233 A CN 110947233A CN 201911320716 A CN201911320716 A CN 201911320716A CN 110947233 A CN110947233 A CN 110947233A
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- purification system
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 362
- 238000000746 purification Methods 0.000 title claims abstract description 39
- 239000012528 membrane Substances 0.000 title claims abstract description 36
- 239000008234 soft water Substances 0.000 claims abstract description 37
- 238000001914 filtration Methods 0.000 claims abstract description 35
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 22
- 239000008213 purified water Substances 0.000 claims description 48
- 239000004677 Nylon Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 239000002351 wastewater Substances 0.000 claims description 2
- 238000011045 prefiltration Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 4
- 238000005374 membrane filtration Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001728 nano-filtration Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/30—Filter housing constructions
-
- 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
-
- 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
Abstract
The invention provides a preposed bubble membrane water purification system which comprises a preposed filtering part and a reverse osmosis filtering part, wherein a filter element structure capable of storing pure water is applied to the preposed filtering part, the filter element structure comprises a filter flask, and a first water inlet, a first water outlet and a water storage inlet and outlet are formed in the filter flask; a soft water tank body is arranged in the filter bottle, and a filter element assembly is arranged in the soft water tank body; a water inlet end of the filter element assembly is communicated with the first water inlet to form a first water inlet flow channel, a water outlet end of the filter element assembly is communicated with the first water outlet to form a first water outlet flow channel, and a water storage flow channel communicated with the water storage inlet and outlet is formed between the outer side of the soft water tank body and the inner side of the filter bottle; the arrangement and application of the preposed bubble membrane water purification system can reduce the TDS value of the first cup of water restarted after the water purification system is in standby.
Description
Technical Field
The invention relates to the technical field of water filtration, in particular to a preposed bubble film water purification system.
Background
At present, the normal nominal models such as 400G, 500G, 600G of current domestic big flux RO/NF water purification machine, because reverse osmosis and the used core member of nanofiltration water purification are the pellicle, when the water purifier standby, the TDS value of the water that stops in the former water side is higher than the TDS value that stops in the water of pure water side, make in the water of the easy infiltration of salt of the water of former water side to the water of pure water side, finally can make the water salt concentration of the former water side of pellicle and pure water side both sides unanimous basically. Therefore, when the water purifier is in standby for a period of time, the TDS value of the first cup of water taken by a user is high, and the water quality cannot meet the filtering requirement. In order to reduce the water salinity of both sides of the RO membrane/NF membrane of the water purifier in a standby state, the existing reverse osmosis and nanofiltration water purifier uses the pure water stored in the water purifier to flush the raw water side of the RO membrane/NF membrane, and discharges the water after flushing the membrane, so as to reduce the water salinity of the raw water side of the RO membrane/NF membrane, and further prolong the service life of the RO membrane/NF membrane, and the process needs to use the pure water to flush the reverse osmosis membrane.
Disclosure of Invention
The invention aims to provide a preposed bubble film water purification system for overcoming the defects of the prior art.
The preposed bubble membrane water purification system comprises a preposed filtering part and a reverse osmosis filtering part, wherein a filter element structure capable of storing pure water is applied to the preposed filtering part, the filter element structure comprises a filter flask, and a first water inlet, a first water outlet and a water storage inlet and outlet are formed in the filter flask; a soft water tank body is arranged in the filter bottle, and a filter element assembly is arranged in the soft water tank body; a water inlet end of the filter element assembly is communicated with the first water inlet to form a first water inlet flow channel, a water outlet end of the filter element assembly is communicated with the first water outlet to form a first water outlet flow channel, and a water storage flow channel communicated with the water storage inlet and outlet is formed between the outer side of the soft water tank body and the inner side of the filter bottle;
the reverse osmosis filtering part comprises a purified water inlet, a purified water outlet and a wastewater outlet, and water flows along the first water outlet and the purified water inlet to form a purified water filtering flow channel;
the water flows along the pure water outlet and the water storage inlet and outlet to form a pure water storage flow passage;
the water flows along the water storage inlet and the water purification inlet to form a pure water bubble film flow passage.
Further, a first preposed control valve is arranged in the purified water filtering flow passage; a pressurizing assembly is arranged between the first preposed control valve and the purified water inlet; the boosting component is a booster pump.
Further, a second preposed control valve is arranged in the pure water storage flow channel; a first preposed one-way valve for limiting water flow to face the purified water inlet is arranged between the second preposed control valve and the purified water inlet; and water flows along the water storage inlet and outlet, the second preposed control valve, the first preposed one-way valve and the purified water inlet to form a purified water bubble film flow channel.
Furthermore, the water purifier also comprises a rear filter part, a pure water filtering flow channel is formed between the pure water outlet and the water inlet end of the rear filter part, and the water outlet end of the rear filter part is communicated with the outside.
Furthermore, a second preposed one-way valve for limiting water flow to the postposition filtering part is arranged in the pure water filtering flow passage.
Further, a high-pressure switch for detecting pipeline pressure is arranged between the second front check valve and the rear filter part.
Further, a pressure reducing valve is arranged at the upstream position of the first water inlet.
Furthermore, the filter bottle comprises a hard bottle body, a filter cover part is arranged on the hard bottle body, and the filter cover part is provided with the water storage inlet and outlet; the soft water tank body is connected with the filter cover part, and the water storage flow channel is formed on the outer side of the soft water tank body and the inner side of the hard bottle body.
Furthermore, the filter element assembly is cylindrical, and a first water inlet flow channel communicated with the first water inlet is formed at the water inlet end outside the filter element assembly and the inner side of the soft water tank body; the water outlet end on the inner side of the filter element component is communicated with the first water outlet to form the first water outlet flow channel.
Further, the soft water tank body is made of silica gel or nylon.
The invention has the beneficial effects that:
the TDS value of the first cup of water restarted after the water purification system is in standby can be reduced.
Drawings
FIG. 1 is a schematic diagram of a filter cartridge structure capable of storing pure water according to the present invention;
FIG. 2 is a schematic combination diagram of a pre-bubble membrane water purification system according to example 1 of the present invention;
FIG. 3 is a schematic combination diagram of a post-bubble membrane water purification system according to embodiment 2 of the present invention;
description of reference numerals:
a filter flask 1, a first water inlet 11, a first water outlet 12, a water inlet and outlet 13, a soft water tank 14, a filter element assembly 15, a hard flask body 16, a filter cover part 17,
A pre-filter part 2, a first pre-control valve 21, a second pre-control valve 22, a first pre-check valve 23, a second pre-check valve 24,
A reverse osmosis filter part 3, a purified water inlet 31, a purified water outlet 32, a concentrated water outlet 33,
A pressurizing assembly 4,
A post-filter part 5, a first post-control valve 51, a first post-check valve 52, a second post-check valve 25,
A concentrate valve 6, a high-pressure switch 7 and a pressure reducing valve 8.
Detailed Description
In order to make the technical solution, the purpose and the advantages of the present invention more apparent, the present invention will be further explained with reference to the accompanying drawings and embodiments.
As shown in fig. 1, the filter element structure capable of storing pure water according to the present invention includes a filter flask 1, wherein the filter flask 1 includes a hard bottle body 16, a filter cap portion 17 is disposed at an upper end of the hard bottle body 16, and a first water inlet 11, a first water outlet 12 and a water inlet and outlet 13 are disposed at the filter cap portion 17; a soft water tank 14 is arranged in the filter bottle 1, the soft water tank 14 is connected with the filter cover part 17, and a filter element assembly 15 is arranged in the soft water tank 14.
The filter element assembly 15 is cylindrical, and a first water inlet flow channel communicated with the first water inlet 11 is formed at the water inlet end of the outer side of the filter element assembly 15 and the inner side of the soft water tank 14; the water outlet end at the inner side of the filter element component 15 is communicated with the first water outlet 12 to form a first water outlet flow channel; a water flow passage is formed between the outer side of the soft water tank 14 and the inner side of the hard bottle 16.
The soft water tank 14 is made of silica gel or nylon, and the hard bottle 16 is made of hard plastic.
The filter element structure is applied by matching the soft water tank 14 and the hard bottles 16, when a water source is stored in the water storage channel, another water source enters the soft water tank 14 to be filtered by the filter element assembly 15, and the soft water tank 14 can be effectively extruded towards the hard bottles 16 on the outer side under the action of force, so that the stored water source of the water storage channel flows out from the water storage inlet and outlet 13.
And when external water source follow water inlet and outlet 13 gets into in the filter flask 1, under the effect of power, this soft water tank 14 takes place elastic deformation, then can carry out the extrusion towards inboard position to soft water tank 14 effectively to can be with through the filterable water source of filter element group spare 15 flows backward and gushes out by the first water inlet 11 that corresponds or can be correspondingly to carrying out the pressure boost to the water source that gets into by first water inlet 11 and have corresponding first delivery port 12 to lead out after assisting water source well filter element group spare 15 to filter.
Based on the above-mentioned filter core structure setting that can store the pure water, it will be applicable to corresponding bubble membrane water purification system to this first cup of water TDS value that restarts after can reducing this water purification system standby.
Example 1:
as shown in fig. 2, the embodiment discloses a pre-bubble membrane water purification system, which includes a pre-filter 2, a reverse osmosis filter 3, a post-filter 5, a first pre-control valve 21, a second pre-control valve 22, a first pre-check valve 23, and a pressurizing assembly 4, wherein the pre-filter 2 is the above-mentioned filter core structure capable of storing pure water.
The reverse osmosis filtering part 3 comprises a purified water inlet 31, a purified water outlet 32 and a concentrated water outlet 33; the water flow flows along the first water outlet 12, the first preposed control valve 21, the pressurizing assembly 4 and the purified water inlet 31 to form a purified water filtering flow passage; the water flows along the pure water outlet 32, the second preposed control valve 22 and the water inlet and outlet 13 to form a pure water storage flow passage; the water flows along the water storage inlet and outlet 13, the second preposed control valve 22, the first preposed one-way valve 23 and the purified water inlet 31 to form a pure water bubble film flow passage; the first pre-check valve 23 restricts the flow of water towards the clean water inlet. The water flows along the pure water outlet 32, the second front check valve 24 and the water inlet end of the rear filter part 5 to form a pure water filter flow passage; the second pre-check valve 24 restricts the flow of water towards the post-filter portion 5; the water outlet end of the inlet post-filter part 5 is communicated with the outside.
The first pilot control valve 21 and the second pilot control valve 22 are solenoid valves, and the booster component 4 is a booster pump.
Based on the water flow path, the preposed bubble film water purification system has two working states, namely a pure water preparation state and a pure water bubble film state.
The application principle is as follows:
when pure water system water state, external water source is through the relief pressure valve 8 to leading filter unit 2 water supply, the raw water through first water inlet 11 and by filter element group spare 15 filters, extremely first delivery port 12 is derived there is the water purification, and leading filter unit 2 in this bubble membrane water purification system is applied to this filter element group spare 15, then current conventional material can be adopted to its material, like PP cotton etc. to carry out initial filtration step. Then, the first front control valve 21 is opened, the pressurizing assembly 4 is started, corresponding purified water is driven by the pressurizing assembly 4 to flow to the reverse osmosis filtering part 3 along the purified water filtering flow channel for filtering, the reverse osmosis filtering part 3 is of a corresponding RO membrane filtering structure, and the purified water is filtered by the reverse osmosis filtering part 3 to respectively obtain pure water and concentrated water.
The downstream position of the concentrated water outlet 33 is provided with a concentrated water valve 6, the obtained concentrated water is discharged through the concentrated water outlet 33 under the control of the concentrated water valve 6, the obtained pure water is discharged through a pure water outlet 32, part of the pure water is guided to the post-filter part 5 through the second front one-way valve 24, and the post-filter part 5 is mainly used for improving the taste of the pure water filtered by the reverse osmosis filter part 3. The part of the pure water is controlled by an external control switch to be output to the outside through the water outlet end of the post-filter part 5. The material of the filter material of the post-filter part 5 can adopt the existing conventional design, such as carbon rod and the like. A high-pressure switch 7 is also arranged between the second front check valve 24 and the rear filter part 5 to detect the pipeline pressure.
The second pre-control valve 22 is opened, and another part of the pure water enters the filter element structure capable of storing pure water from the water inlet and outlet 13 through the pure water storage flow passage and is stored between the soft water tank 14 and the hard bottle 16.
When the membrane is soaked in pure water, an external water source continuously supplies water to the pre-filter part 2, raw water is filtered by the filter element assembly 15 through the first water inlet 11, and pure water is led out to the first water outlet 12; when the first prepositive control valve 21 and the pressurizing assembly 4 are closed, the filtered purified water is led out and sealed; when the continuously obtained purified water is accumulated in the soft water tank 14, the soft water tank 14 is deformed and effectively pressed toward the hard outer bottle 16, and the purified water stored between the soft water tank 14 and the hard outer bottle 16 is pressed, and enters the reverse osmosis filter unit 3 through the purified water inlet 31 via the purified water bubble film flow passage via the water inlet/outlet 13.
In the above-mentioned in-process, the pure water that enters into reverse osmosis filter portion 3 can replace the water that stays in its RO membrane filtration structure raw water side gradually originally, makes the water TDS value of raw water side reduce in the RO membrane filtration structure, makes the water TDS value of this RO membrane filtration structure raw water side tend to be close rather than the water TDS value of pure water side, has avoided this leading bubble membrane water purification system under standby state, and RO membrane filtration structure's raw water side and pure water side appear the osmosis phenomenon and lead to the water TDS value of pure water side to rise by a wide margin in its reverse osmosis filter portion 3.
Example 2:
as shown in fig. 3, the present embodiment discloses a post-bubble membrane water purification system, which is different from the above embodiment 1 in that the filter element structure capable of storing pure water is applied to the post-filter portion 5, and the water path thereof is adjusted accordingly.
Specifically, the rear foam water purification system comprises a front filter part 2, a reverse osmosis filter part 3, a rear filter part 5, a first rear control valve 51, a first rear check valve 52 and a pressurizing assembly 4, wherein the rear filter part 5 is provided with the filter element structure capable of storing pure water.
The pre-filter part 2 comprises a raw water inlet and a purified water outlet, and the raw water inlet is used for introducing an external raw water source; the reverse osmosis filtering part 3 comprises a purified water inlet 31, a purified water outlet 32 and a concentrated water outlet 33; a purified water filtering flow passage is formed between the purified water outlet and the purified water inlet 31, and the rear control valve 51 and the pressurizing assembly 4 are arranged in the purified water filtering flow passage.
Under the water source pressure of external raw water, water flow enters the pre-filter part along the raw water inlet to be filtered, is guided out to the water storage inlet and outlet 13 through the purified water outlet to form a water storage extrusion flow passage, and flows to the first water inlet 11 along the purified water outlet 32 to form a purified water filtering flow passage; the first rear one-way valve is used for limiting water flow to flow towards the purified water inlet, and the water flow flows along the first water inlet 11, the first rear one-way valve 52 and the purified water inlet 31 to form a corresponding purified water bubble film flow channel.
Pure water is output to the outside at the downstream of the first water outlet; a second rear check valve 53 and a high-pressure switch 7 for detecting the pressure of the pipeline are correspondingly arranged at the downstream position of the first water outlet; the second rear check valve 53 is used for guiding and outputting the pure water led out from the first water outlet to the outside.
And a concentrated water valve 6 is arranged at the downstream position of the concentrated water outlet.
Likewise, the first post-control valve 51 will be applied as a solenoid valve and the booster assembly 4 as a booster pump. Based on the above water flow path, the post-bubble membrane water purification system of the present invention will also have a pure water making state and a pure water bubble membrane state.
The application principle is as follows:
in the pure water system water state, outside raw water source supplies water to leading filter house 2 through relief pressure valve 8, and the raw water filters and has the water purification by the export output of water purification through filter media in this leading filter house 2, first rearmounted control valve 51 is opened, and corresponding water purification is arrived under the drive of pressure boost subassembly 4 reverse osmosis filter house 3 filters to carry out the preparation of pure water.
The prepared pure water flows out through the pure water outlet 32, flows into the post-filter part 5 through the pure water filter flow channel, enters the corresponding filter element assembly 15 through the first water inlet 11, and is guided out of the water purification system through the first water outlet 12 and the second post-check valve 25 so as to meet the requirement of taking water from the external pure water; when the external water intake action is stopped, a portion of the pure water will remain between the filter element assembly 15 and the soft water tank 14.
Similarly, the filter element assembly 15 can be used as a filter material such as a carbon rod to meet the taste improvement requirement of the filtered pure water.
When the pure water bubble membrane is in a state, an external water source continuously supplies water to the pre-filter unit 2, the first post-control valve 51 and the pressurizing assembly 4 are closed, then the pre-filter unit 2 continuously outputs pure water, the corresponding pure water enters the space between the soft water tank 14 and the hard bottle 16 through the water storage extrusion flow channel from the water storage inlet and outlet 13, the continuously entered pure water generates corresponding extrusion pressure towards the inner side position on the soft water tank 14, then the pure water remained between the filter core assembly 15 and the soft water tank 14 is led out from the position of the first water inlet 11, and the led pure water flows back to the reverse osmosis filter unit 3 through the corresponding pure water bubble membrane flow channel and the pure water inlet 31, so that the corresponding pure water bubble membrane treatment is effectively carried out.
The above description is only a preferred embodiment of the present invention, and those skilled in the art may still modify the described embodiment without departing from the implementation principle of the present invention, and the corresponding modifications should also be regarded as the protection scope of the present invention.
Claims (10)
1. The preposed bubble membrane water purification system is characterized by comprising a preposed filtering part and a reverse osmosis filtering part, wherein a filter element structure capable of storing pure water is applied to the preposed filtering part and comprises a filter flask, and a first water inlet, a first water outlet and a water storage inlet and outlet are formed in the filter flask; a soft water tank body is arranged in the filter bottle, and a filter element assembly is arranged in the soft water tank body; a water inlet end of the filter element assembly is communicated with the first water inlet to form a first water inlet flow channel, a water outlet end of the filter element assembly is communicated with the first water outlet to form a first water outlet flow channel, and a water storage flow channel communicated with the water storage inlet and outlet is formed between the outer side of the soft water tank body and the inner side of the filter bottle;
the reverse osmosis filtering part comprises a purified water inlet, a purified water outlet and a wastewater outlet, and water flows along the first water outlet and the purified water inlet to form a purified water filtering flow channel;
the water flows along the pure water outlet and the water storage inlet and outlet to form a pure water storage flow passage;
the water flows along the water storage inlet and the water purification inlet to form a pure water bubble film flow passage.
2. The pre-bubble membrane water purification system according to claim 1, wherein a first pre-control valve is disposed in the purified water filtration flow path; and a pressurizing assembly is arranged between the first preposed control valve and the purified water inlet.
3. The pre-bubble film water purification system according to claim 1, wherein a second pre-control valve is arranged in the pure water storage channel; a first preposed one-way valve for limiting water flow to face the purified water inlet is arranged between the second preposed control valve and the purified water inlet; and water flows along the water storage inlet and outlet, the second preposed control valve, the first preposed one-way valve and the purified water inlet to form a purified water bubble film flow channel.
4. The pre-bubble membrane water purification system according to claim 1, further comprising a post-filter, wherein a pure water filtering flow channel is formed between the pure water outlet and the water inlet end of the post-filter.
5. The pre-bubble membrane water purification system according to claim 4, wherein a second pre-check valve for limiting water flow to the post-filter portion is disposed in the pure water filtering flow passage.
6. The pre-bubble membrane water purification system according to claim 5, wherein a high-pressure switch for detecting the pressure of the pipeline is arranged between the second pre-check valve and the post-filter part.
7. The pre-bubble film water purification system of claim 1, wherein a pressure reducing valve is disposed upstream of the first water inlet.
8. The front-mounted bubble membrane water purification system according to claim 1, wherein the filter flask comprises a rigid flask body, a filter cap part is arranged on the rigid flask body, and the water storage inlet and outlet are arranged on the filter cap part; the soft water tank body is connected with the filter cover part, and the water storage flow channel is formed on the outer side of the soft water tank body and the inner side of the hard bottle body.
9. The pre-bubble film water purification system of claim 8, wherein the filter element assembly is cylindrical, and a first water inlet flow channel communicated with the first water inlet is formed at the water inlet end outside the filter element assembly and the inner side of the soft water tank body; the water outlet end on the inner side of the filter element component is communicated with the first water outlet to form the first water outlet flow channel.
10. The pre-bubble membrane water purification system of claim 1, wherein the soft water tank is made of silica gel or nylon.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911243018 | 2019-12-06 | ||
| CN2019112430183 | 2019-12-06 |
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| CN201911320716.9A Pending CN110947233A (en) | 2019-12-06 | 2019-12-19 | Leading bubble membrane water purification system |
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| CN113786732A (en) * | 2021-10-21 | 2021-12-14 | 佛山市惠特普环保科技有限公司 | Driving water storage tank for water purifying equipment |
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| CN212523300U (en) * | 2019-12-06 | 2021-02-12 | 广东韦博科技有限公司 | Leading bubble membrane water purification system |
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| CN110422938A (en) * | 2019-08-19 | 2019-11-08 | 中山市史麦斯净水科技有限公司 | Water purifier with pure water reflux backwashing manner |
| CN110496534A (en) * | 2019-09-17 | 2019-11-26 | 广东韦博科技有限公司 | Filter cartridge construction |
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| CN113786732A (en) * | 2021-10-21 | 2021-12-14 | 佛山市惠特普环保科技有限公司 | Driving water storage tank for water purifying equipment |
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