CN111056651B - Filter element structure capable of storing pure water and bubble film water purifying system using same - Google Patents
Filter element structure capable of storing pure water and bubble film water purifying system using same Download PDFInfo
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- CN111056651B CN111056651B CN201911243022.XA CN201911243022A CN111056651B CN 111056651 B CN111056651 B CN 111056651B CN 201911243022 A CN201911243022 A CN 201911243022A CN 111056651 B CN111056651 B CN 111056651B
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- filter element
- filter
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 393
- 239000008234 soft water Substances 0.000 claims abstract description 34
- 238000000746 purification Methods 0.000 claims abstract description 23
- 238000001914 filtration Methods 0.000 claims description 76
- 239000008213 purified water Substances 0.000 claims description 51
- 238000001223 reverse osmosis Methods 0.000 claims description 23
- 238000011045 prefiltration Methods 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 5
- 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
- 238000002791 soaking Methods 0.000 claims 3
- 239000012528 membrane Substances 0.000 abstract description 26
- 239000006260 foam Substances 0.000 abstract description 5
- 239000012141 concentrate Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000005374 membrane filtration Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001728 nano-filtration Methods 0.000 description 2
- 230000008569 process Effects 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
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/114—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for inward flow filtration
-
- 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
- C02F1/44—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 filter element structure capable of storing pure water and a foam membrane water purifying system using the same, wherein the filter element structure capable of storing pure water comprises a filter flask, and a first water inlet, a first water outlet and a water storage inlet and outlet are arranged on the filter flask; a soft water tank body is arranged in the filter flask, and a filter element component is arranged in the soft water tank body; the water inlet end of the filter element assembly is communicated with the first water inlet to form a first water inlet flow channel, the 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 water tank body and the inner side of the filter flask. The filter element structure is applied to the setting, so that the TDS value of the first cup of water restarted after the water purification system is in standby can be reduced.
Description
Technical Field
The invention relates to the technical field of water filtration, in particular to a filter element structure capable of storing pure water and a foam membrane water purification system using the same.
Background
At present, the conventional nominal 400G, 500G, 600G and other types of the existing household large-flux RO/NF water purifier are characterized in that the core components used for reverse osmosis and nanofiltration water purification are semipermeable membranes, and when the water purifier is in standby, the TDS value of water staying on the raw water side is higher than the TDS value of water staying on the pure water side, so that the salt of the water on the raw water side is easy to permeate into the water on the pure water side, and finally the salt concentration of the water on the raw water side and the water on the pure water side of the semipermeable membranes are basically consistent. Therefore, after the water purifier stands by for a period of time, the first cup of water which is picked up by a user has higher TDS value, and the water quality can not meet the filtering requirement. In order to reduce the water salinity concentration of the RO membrane/NF membrane at the two sides of the water purifier in a standby state, the prior reverse osmosis and nanofiltration water purifier can use the pure water stored in the water purifier to flush the raw water side of the RO membrane/NF membrane and discharge the water after flushing the membrane so as to reduce the water salinity concentration 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 flush the reverse osmosis membrane by using the pure water.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a filter element structure capable of storing pure water and a foam membrane water purifying system using the same.
The filter element structure capable of storing pure water comprises a filter flask, wherein 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 flask, and a filter element component is arranged in the soft water tank body; the water inlet end of the filter element assembly is communicated with the first water inlet to form a first water inlet flow channel, the 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 water tank body and the inner side of the filter flask.
Further, the filter bottle comprises a hard bottle body, a filter cover part is arranged on the hard bottle body, and the water storage inlet and outlet are arranged on the filter cover part; the soft water tank body is connected with the filtering cover part, and the water storage flow passage is formed on the outer side of the soft water tank body and the inner side of the hard bottle body.
Further, the filter element assembly is cylindrical, and a first water inlet flow passage communicated with the first water inlet is formed at the water inlet end at the outer side of the filter element assembly and the inner side of the soft water tank; the inner water outlet end of the filter element assembly is communicated with the first water outlet to form the first water outlet flow passage.
Further, the water storage inlet and outlet, the first water inlet and the first water outlet are all arranged at the same side position of the filter flask.
Further, the soft water tank body is made of silica gel or nylon.
The invention also discloses a foam membrane water purification system which comprises a pre-filtering part, a reverse osmosis filtering part and a post-filtering part, wherein the filter element structure is applied to the pre-filtering part or the post-filtering part.
Further, when the filter element structure is applied to the pre-filtering part, the reverse osmosis filtering part comprises a pure water inlet and a pure water outlet, and water flows between the first water outlet and the pure water inlet to form a pure water filtering flow channel; a first front control valve is arranged in the purified water filtering flow passage; the water flow flows between the pure water outlet and the water storage inlet and outlet to form a pure water storage flow channel; a second front control valve is arranged in the pure water storage flow passage; the water flow flows along the water storage inlet and outlet, the second front control valve and the purified water inlet, and a pure water bubble film flow channel is formed; and a pure water filtering flow passage is formed between the pure water outlet and the water inlet end of the rear filtering part.
Further, in the purified water filtering flow passage, a pressurizing assembly is arranged between the first front control valve and the purified water inlet; a first preposed one-way valve for limiting water flow to the water purification inlet is arranged between the second preposed control valve and the water purification inlet in the pure water bubble film flow channel; a second front one-way valve for limiting water flow to the rear filtering part is arranged in the pure water filtering flow passage; and a high-pressure switch for detecting the external pressure of the pipeline is arranged between the second preposed one-way valve and the postposition filtering part.
Further, when the filter element structure according to any one of claims 1 to 5 is applied to the post-filtration part, the pre-filtration part includes a raw water inlet and a purified water outlet, and the reverse osmosis filtration part includes a purified water inlet, a purified water outlet and a concentrated water outlet; the water flow flows along the first water outlet and between the purified water inlet, and a purified water filtering flow channel is formed; a first rear control valve is arranged in the purified water filtering flow passage; the water flows along the water purifying outlet and the water storing inlet and outlet to form a water storing extrusion flow channel, and the water flows along the water purifying outlet and the water storing inlet and outlet to form a water purifying filtering flow channel; the water flow flows between the first water inlet and the purified water inlet to form a pure water bubble film flow passage; the pure water bubble film flow passage is provided with a first rear one-way valve.
Further, in the purified water filtering flow passage, a pressurizing assembly is arranged between the first rear control valve and the purified water inlet; a second rear one-way valve and a high-pressure switch for detecting the external pressure of the pipeline are arranged at the downstream position of the first water outlet; a concentrated water valve is arranged at the downstream position of the concentrated water outlet; the water inlet end position of the front filter core is provided with a pressure reducing valve.
The invention has the beneficial effects that:
the TDS value of the first cup of water restarted after the water purification system stands by can be reduced.
Drawings
FIG. 1 is a schematic diagram of a filter element structure capable of storing pure water according to the present invention;
FIG. 2 is a schematic diagram of a pre-membrane water purification system according to embodiment 1 of the present invention;
FIG. 3 is a schematic diagram of a combination of a rear membrane module water purification system according to embodiment 2 of the present invention;
reference numerals illustrate:
the filter flask 1, a first water inlet 11, a first water outlet 12, a water storage inlet and outlet 13, a soft water tank 14, a filter element assembly 15, a hard flask 16, a filter cover 17,
A prefilter 2, a first prefilter valve 21, a second prefilter valve 22, a first prefilter valve 23, a second prefilter valve 24,
A reverse osmosis filter 3, a pure water inlet 31, a pure 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 rich water valve 6, a high-pressure switch 7 and a pressure reducing valve 8.
Detailed Description
In order to make the technical scheme, the purpose and the advantages of the invention more clear, the invention is further explained below with reference to the drawings and the embodiments.
As shown in fig. 1, the filter element structure capable of storing pure water of the invention comprises a filter flask 1, wherein the filter flask 1 comprises a hard flask body 16, a filter cover part 17 is arranged at the upper end position of the hard flask body 16, and a first water inlet 11, a first water outlet 12 and a water storage inlet and outlet 13 are arranged at the position of the filter cover part 17; the filter flask 1 is internally provided with a soft water tank body 14, the soft water tank body 14 is connected with a filter cover part 17, and the soft water tank body 14 is internally provided with a filter element assembly 15.
The filter element assembly 15 is cylindrical, and a first water inlet flow passage communicated with the first water inlet 11 is formed between the water inlet end at the outer side of the filter element assembly 15 and the inner side of the soft water tank 14; a first water outlet flow passage is formed by communicating the water outlet end at the inner side of the filter element assembly 15 with the first water outlet 12; a water storage flow passage is formed on 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.
When the water source is stored in the water storage flow passage, the other 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 outer hard bottle 16 under the action of force, so that the stored water source in the water storage flow passage flows out from the water storage inlet and outlet 13.
When an external water source enters the filter flask 1 from the water storage inlet and outlet 13, the soft water tank 14 is elastically deformed under the action of force, so that the soft water tank 14 can be effectively extruded towards the inner side, and the water source filtered by the filter element assembly 15 can flow back and out from the corresponding first water inlet 11 or the water source entering from the first water inlet 11 can be correspondingly pressurized to assist the water source to be led out from the corresponding first water outlet 12 after being filtered by the filter element assembly 15.
Based on the filter element structure setting of the storable pure water, the device can be applied to a corresponding bubble film water purification system, so that the TDS value of the first cup of water restarted after the water purification system is in standby can be reduced.
Example 1:
the embodiment discloses a leading bubble membrane water purification system, it includes leading filter unit 2, reverse osmosis filter unit 3, post-filter unit 5, first leading control valve 21, second leading control valve 22, first leading check valve 23 and supercharging subassembly 4, the filter core structure that can deposit pure water is used for forefilter unit 2.
The reverse osmosis filtering part 3 comprises a pure water inlet 31, a pure water outlet 32 and a concentrated water outlet 33; the water flows along the first water outlet 12, the first front control valve 21, the pressurizing assembly 4 and the purified water inlet 31, and a purified water filtering flow passage is formed; the water flows along the pure water outlet 32, the second front control valve 22 and the water storage inlet 13, and a pure water storage flow channel is formed; the water flows along the water storage inlet and outlet 13, the second front control valve 22, the first front one-way valve 23 and the purified water inlet 31, and a pure water bubble film flow passage is formed; 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 one-way valve 24 and the water inlet end of the rear filter part 5, and a pure water filtering flow passage is formed; the second front check valve 24 restricts the flow of water toward the rear filter section 5; the water outlet end of the inlet rear filtering part 5 is communicated with the outside.
The first front control valve 21 and the second front control valve 22 are solenoid valves, and the pressurizing assembly 4 is a pressurizing pump.
Based on the water flow path, the pre-bubble film water purification system provided by the invention has two working states, namely a pure water preparation state and a pure water bubble film state.
The application principle is as follows:
in the pure water making state, the external water source supplies water to the pre-filtering part 2 through the pressure reducing valve 8, raw water is filtered by the filter element assembly 15 through the first water inlet 11 until the first water outlet 12 is led out of the purified water, and the filter element assembly 15 is applied to the pre-filtering part 2 in the bubble membrane water purifying system, so that the material of the filter element assembly can be the conventional material such as PP cotton and the like to perform the initial filtering step. Then, the first front control valve 21 is opened, the pressurizing assembly 4 is started, the corresponding purified water is filtered along the purified water filtering flow channel to the reverse osmosis filtering part 3 under the driving of the pressurizing assembly 4, 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 obtain purified water and concentrated water respectively.
A concentrate valve 6 is disposed at a position downstream of the concentrate outlet 33, the obtained concentrate is discharged through the concentrate outlet 33 under the control of the concentrate valve 6, the obtained pure water is discharged through the pure water outlet 32, and a part of the pure water is guided to the post-filter 5 through the second pre-check valve 24, and the post-filter 5 is mainly used for improving the taste of the pure water filtered by the reverse osmosis filter 3. The part of pure water is controlled by an external control switch to be outputted to the outside through the water outlet end of the post-filter part 5. The filter material of the post-filter part 5 may be of conventional design, such as carbon rod. A high-pressure switch 7 is also arranged between the second pre-check valve 24 and the post-filtering part 5 to detect the pressure inside the pipeline.
The second front control valve 22 is opened, and the other part of pure water enters the filter element structure capable of storing pure water from the water storing inlet and outlet 13 through the pure water storing flow passage and is stored between the soft water tank 14 and the hard bottle 16.
When the pure water bubbles, the external water source continuously supplies water to the pre-filtering part 2, raw water is filtered by the filter element assembly 15 through the first water inlet 11, and pure water is led out from the first water outlet 12; the first front control valve 21 and the pressurizing assembly 4 are closed, and the filtered purified water is led out to be closed; the purified water continuously obtained is stored in the soft water tank 14, and the soft water tank 14 is deformed to be effectively pressed toward the outer hard bottle 16, so that the purified water stored between the soft water tank 14 and the hard bottle 16 is pressed to enter the reverse osmosis filter unit 3 from the purified water inlet 31 through the purified water bubble membrane flow passage from the water storage inlet 13.
In the above process, the pure water entering the reverse osmosis filtration part 3 gradually replaces the water originally staying on the raw water side of the RO membrane filtration structure, so that the TDS value of the raw water side in the RO membrane filtration structure is reduced, the TDS value of the raw water side of the RO membrane filtration structure tends to approach to the TDS value of the pure water side of the RO membrane filtration structure, and the phenomenon that the TDS value of the pure water side is greatly increased due to the permeation phenomenon of the raw water side and the pure water side of the RO membrane filtration structure in the reverse osmosis filtration part 3 in the standby state of the pre-arranged bubble membrane water purification system is avoided.
Example 2:
the present embodiment discloses a rear-mounted bubble film water purifying system, which is different from the above embodiment 1 in that the filter core structure capable of storing pure water is applied to the rear-mounted filtering portion 5, and the waterway thereof is correspondingly adjusted.
Specifically, the rear foam water purification system comprises a front filtering part 2, a reverse osmosis filtering part 3, a rear filtering part 5, a first rear control valve 51, a first rear one-way valve 52 and a pressurizing assembly 4, wherein the rear filtering part 5 is provided with the filter element structure capable of storing pure water; the pre-filtering part 2 comprises a purified water outlet, and 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 flows along the water purifying outlet and the water storing inlet and outlet 13 to form a water storing extrusion flow passage, and the water flows along the water purifying outlet 32 to the first water inlet 11 to form a water purifying filtering flow passage; the water flows along the first water inlet 11, the first rear check valve 52 and the purified water inlet 31, and corresponding pure water bubble film flow passages are formed.
Likewise, the first rear control valve 51 will be applied as a solenoid valve, and the pressurizing assembly 4 as a pressurizing pump. Based on the above water flow path, the post-positioned bubble film water purification system of the present invention will also have a pure water making state and a pure water bubble film state.
The application principle is as follows:
in the pure water producing state, an external water source supplies water to the pre-filtering part 2 through the pressure reducing valve 8, raw water is filtered by a filter material in the pre-filtering part 2, purified water is output from a purified water outlet, the first post-control valve 51 is opened, and corresponding purified water is filtered by the reverse osmosis filtering part 3 under the driving of the pressurizing assembly 4, so that pure water is produced.
The prepared pure water flows out from the pure water outlet 32, flows into the rear filtering part 5 through the pure water filtering flow channel, enters the corresponding filter element assembly 15 through the first water inlet 11, and is led out from the first water outlet 12 to the outside of the water purifying system through the second rear one-way valve 25 so as to meet the external pure water taking requirement; when the external water taking action is stopped, part of the pure water remains between the filter element assembly 15 and the soft water tank 14.
A high-pressure switch 7 for detecting the pressure inside the pipe is provided at a position downstream of the second rear check valve 25. Similarly, the filter element assembly 15 can be applied as a filter material such as a carbon rod, so as to meet the taste improvement requirement of the filtered pure water.
When the pure water bubble membrane is in a state, the external water source continuously supplies water to the pre-filtering part 2, the first post-control valve 51 and the pressurizing assembly 4 are closed, then the pre-filtering part 2 continuously outputs pure water, the corresponding pure water enters between the soft water tank 14 and the hard bottle 16 through the water storage extrusion flow passage from the water storage inlet 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 element assembly 15 and the soft water tank 14 is guided out from the position of the first water inlet 11, the guided pure water flows back to the reverse osmosis filtering part 3 through the pure water inlet 31 through the corresponding pure water bubble membrane flow passage, and the corresponding pure water bubble membrane treatment is effectively performed.
The foregoing is merely a preferred embodiment of the present invention, and modifications of the embodiments described above can be made by those skilled in the art without departing from the implementation principles of the present invention, and the corresponding modifications should also be considered as the protection scope of the present invention.
Claims (8)
1. The filter element structure capable of storing pure water is characterized by comprising a filter flask, wherein the filter flask is provided with a first water inlet, a first water outlet and a water storage inlet and outlet; a soft water tank body is arranged in the filter flask, and a filter element component is arranged in the soft water tank body; a first water inlet flow channel is formed by the water inlet end of the filter element assembly and the first water inlet, a first water outlet flow channel is formed by the water outlet end of the filter element assembly and the first water outlet, 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 flask; the filter bottle comprises a hard bottle body, a filter cover part is arranged on the hard bottle body, and the water storage inlet and outlet are arranged on the filter cover part; the soft water tank body is connected with the filtering cover part, and the water storage flow passage is formed on the outer side of the soft water tank body and the inner side of the hard bottle body; the filter element assembly is cylindrical, and a first water inlet flow passage communicated with the first water inlet is formed between the water inlet end at the outer side of the filter element assembly and the inner side of the soft water tank; the inner water outlet end of the filter element assembly is communicated with the first water outlet to form the first water outlet flow channel; the water storage inlet and outlet and the first water inlet are arranged at the same side position of the filter flask.
2. The filter element structure of claim 1, wherein the water storage inlet and outlet, the first water inlet and the first water outlet are all disposed on the same side of the filter flask.
3. The filter element structure of claim 1, wherein the soft water tank is made of silica gel or nylon.
4. A membrane-soaking water purification system comprising a pre-filtration unit, a reverse osmosis filtration unit and a post-filtration unit, wherein the pre-filtration unit or the post-filtration unit is provided with the filter element structure according to claims 1 to 3.
5. The membrane-soaking water purification system according to claim 4, wherein when the filter element structure according to any one of claims 1 to 3 is applied to the pre-filtration part, the reverse osmosis filtration part comprises a purified water inlet and a purified water outlet, and a purified water filtration flow channel is formed by flowing water along the first water outlet and the purified water inlet; a first front control valve is arranged in the purified water filtering flow passage; the water flow flows between the pure water outlet and the water storage inlet and outlet to form a pure water storage flow channel; a second front control valve is arranged in the pure water storage flow passage; the water flow flows along the water storage inlet and outlet, the second front control valve and the purified water inlet, and a pure water bubble film flow channel is formed; and a pure water filtering flow passage is formed between the pure water outlet and the water inlet end of the rear filtering part.
6. The bubble film water purification system as recited in claim 5, wherein a pressurizing assembly is disposed between said first front control valve and the purified water inlet in said purified water filtration flow path; a first preposed one-way valve for limiting water flow to the water purification inlet is arranged between the second preposed control valve and the water purification inlet in the pure water bubble film flow channel; a second front one-way valve for limiting water flow to the rear filtering part is arranged in the pure water filtering flow passage; and a high-pressure switch for detecting the external pressure of the pipeline is arranged between the second preposed one-way valve and the postposition filtering part.
7. The membrane-soaking water purification system according to claim 4, wherein when the filter cartridge structure according to any one of claims 1 to 3 is applied to the post-filtration part, the pre-filtration part comprises a raw water inlet and a purified water outlet, and the reverse osmosis filtration part comprises a purified water inlet, a purified water outlet and a concentrated water outlet; the water flow flows between the purified water outlet and the purified water inlet to form a purified water filtering flow passage; a first rear control valve is arranged in the purified water filtering flow passage; the water flows along the water purifying outlet and the water storing inlet and outlet to form a water storing extrusion flow channel, and the water flows along the water purifying outlet and the water storing inlet and outlet to form a water purifying filtering flow channel; the water flow flows between the first water inlet and the purified water inlet to form a pure water bubble film flow passage; the pure water bubble film flow passage is provided with a first rear one-way valve.
8. The bubble film water purification system as recited in claim 7, wherein a pressurizing assembly is disposed between said first rear control valve and the purified water inlet in said purified water filtration flow path; a second rear one-way valve and a high-pressure switch for detecting the external pressure of the pipeline are arranged at the downstream position of the first water outlet; a concentrated water valve is arranged at the downstream position of the concentrated water outlet; the water inlet end position of the pre-filtering part is provided with a pressure reducing valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911243022.XA CN111056651B (en) | 2019-12-06 | 2019-12-06 | Filter element structure capable of storing pure water and bubble film water purifying system using same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911243022.XA CN111056651B (en) | 2019-12-06 | 2019-12-06 | Filter element structure capable of storing pure water and bubble film water purifying system using same |
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| Publication Number | Publication Date |
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| CN111056651A CN111056651A (en) | 2020-04-24 |
| CN111056651B true CN111056651B (en) | 2024-01-12 |
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| CN218478584U (en) * | 2022-08-31 | 2023-02-14 | 广东领尚净水科技有限公司 | Filter element structure |
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