CN111747486A - Water path structure for providing pure water for raw water side of RO (reverse osmosis) membrane filter element - Google Patents
Water path structure for providing pure water for raw water side of RO (reverse osmosis) membrane filter element Download PDFInfo
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- CN111747486A CN111747486A CN202010752186.1A CN202010752186A CN111747486A CN 111747486 A CN111747486 A CN 111747486A CN 202010752186 A CN202010752186 A CN 202010752186A CN 111747486 A CN111747486 A CN 111747486A
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- water
- communicated
- way valve
- flow channel
- membrane filter
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 288
- 239000012528 membrane Substances 0.000 title claims abstract description 49
- 238000001223 reverse osmosis Methods 0.000 title abstract description 42
- 238000007789 sealing Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000011001 backwashing Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000001728 nano-filtration Methods 0.000 description 3
- 101000927062 Haematobia irritans exigua Aquaporin Proteins 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
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
- C02F1/44—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/04—Backflushing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/12—Use of permeate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to a waterway structure for providing pure water for a raw water side of an RO (reverse osmosis) membrane filter element, which comprises a pure water bottle structure, an RO membrane filter element, a first one-way valve and a second one-way valve, wherein the RO membrane filter element is arranged in the pure water bottle structure; the pure water bottle structure comprises a bottle body, a water flow channel and a water outlet flow channel, wherein a water containing cavity is arranged in the bottle body; a water gap at one end of the water flow channel extends into the bottom of the water containing cavity and is communicated with the water containing cavity; the water inlet of the water outlet flow passage is communicated with the water containing cavity, and the water outlet of the water outlet flow passage is communicated with the outside; the pure water outlet of the RO membrane filter element is communicated with the water inlet of the first one-way valve, the water outlet of the first one-way valve is respectively communicated with the water inlet of the second one-way valve and the water outlet of the other end of the water flow channel, and the water outlet of the second one-way valve is communicated with the water inlet of the RO membrane filter element. It has simple structure compactness, provides the pure water at the former water side of RO membrane filter core, has reduced the TDS value of former water side, has reduced advantages such as manufacturing cost.
Description
Technical Field
The invention relates to a waterway structure for providing pure water for the raw water side of an RO membrane filter element.
Background
At present, in current domestic Reverse Osmosis (RO) and Nanofiltration (NF) water purifier, RO/NF filter core is the pellicle, and the TDS value of former water side can be high, and the TDS value of pure water side can be low. When the device works, water on the raw water side with a high TDS value enters the pure water side with a low TDS value in a reverse osmosis mode through pressurizing on the raw water side; the raw water side pressure is reduced when the machine is stopped, and the TDS value of the pure water side is slowly increased under the condition of permeation; after a period of shutdown, the TDS value on the pure water side will become much higher than during normal operation. When the user used water once more, the TDS value of the first cup of water is higher than the TDS of normal effluent a lot, has influenced filter effect and quality of water, influences user experience and feels. And because the TDS value of the raw water side is too high, crystallization and scaling can be caused, the RO membrane is blocked, and the service life of the membrane is influenced.
Aiming at the problems, filter elements capable of providing pure water for washing are available on the market, but the filter elements are complex in structure and high in manufacturing cost.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the water channel structure for providing pure water for the raw water side of the RO membrane filter element, the structure is simple and compact, the pure water is provided for the raw water side of the RO membrane filter element, the TDS value of the raw water side is reduced, and the production cost is reduced.
In order to achieve the above object, a first aspect of the present invention is a waterway structure for supplying pure water for backwashing to an RO membrane cartridge, the waterway structure including:
a pure water bottle structure; the pure water bottle structure comprises a bottle body, a water flow channel and a water outlet flow channel, wherein a water containing cavity is arranged in the bottle body; a water gap at one end of the water flow channel extends into the bottom of the water containing cavity and is communicated with the water containing cavity; the water inlet of the water outlet flow channel is communicated with the water containing cavity, and the water outlet of the water outlet flow channel is communicated with the outside; and
the RO membrane filter element, the first one-way valve and the second one-way valve; and the pure water outlet of the RO membrane filter element is communicated with the water inlet of the first one-way valve, the water outlet of the first one-way valve is respectively communicated with the water inlet of the second one-way valve and the water outlet at the other end of the water flow channel, and the water outlet of the second one-way valve is communicated with the water inlet of the RO membrane filter element.
In the technical scheme, the bottle body comprises an upper cover and a pure water barrel, the upper cover covers an upper opening of the pure water barrel and is in sealing fit with the upper opening to form a water containing cavity, the water inlet flow channel penetrates through the upper cover, and the water outlet flow channel penetrates through the upper cover.
In the technical scheme, the water inlet of the water outlet flow channel extends into the bottom of the water containing cavity.
In order to achieve the above object, a second aspect of the present invention is a waterway structure for supplying pure water for backwashing to an RO membrane cartridge, the waterway structure including:
a pure water bottle structure; the pure water bottle structure comprises a bottle body, a water flow channel and a water outlet flow channel, wherein a water containing cavity is arranged in the bottle body; a water gap at one end of the water flow channel is communicated with the water containing cavity; the water inlet of the water outlet flow channel extends into the bottom of the water containing cavity and is communicated with the water containing cavity; and
the RO membrane filter element, the first one-way valve and the third one-way valve; and the pure water outlet of the RO membrane filter element is communicated with the water inlet of the first one-way valve, the water outlet of the first one-way valve is communicated with the water port at the other end of the water flow passage, the water outlet of the water flow passage is communicated with the water inlet of the third one-way valve, and the water outlet of the third one-way valve is communicated with the water inlet of the RO membrane filter element.
In the technical scheme, the bottle body comprises an upper cover and a pure water barrel, the upper cover covers an upper opening of the pure water barrel and is in sealing fit with the upper opening to form a water containing cavity, the water inlet flow channel penetrates through the upper cover, and the water outlet flow channel penetrates through the upper cover.
In the technical scheme, a water gap at the other end of the water inlet flow channel extends into the bottom of the water containing cavity.
Compared with the prior art, the invention has the advantages that: simple structure is compact, provides the pure water in the former water side of RO membrane filter core, has reduced the TDS value of former water side, has reduced manufacturing cost.
Drawings
Fig. 1 is a schematic view of a waterway structure according to a first embodiment of the present invention;
FIG. 2 is a schematic structural view showing one embodiment of a structure of a pure water bottle according to a first embodiment of the present invention;
FIG. 3 is a schematic structural view showing another embodiment of the structure of a pure water bottle according to the first embodiment of the present invention;
FIG. 4 is a schematic view of a waterway structure according to a second embodiment of the present invention;
FIG. 5 is a schematic structural view showing one embodiment of a pure water bottle structure according to a second embodiment of the present invention;
FIG. 6 is a schematic structural view showing another embodiment of the structure of a pure water bottle according to the second embodiment of the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
In the description of the present invention, the terms "upper" and "lower" and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention but do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Example one
As shown in fig. 1 to 3, a waterway structure for supplying pure water for backwashing to an RO membrane cartridge includes:
a pure water bottle structure; the pure water bottle structure comprises a bottle body, a water flow channel 1 and a water outlet flow channel 3, wherein a water containing cavity 41 is arranged in the bottle body; a water gap at one end of the water channel 1 extends into the bottom of the water containing cavity 41 and is communicated with the water containing cavity 41; the water inlet of the water outlet flow channel 3 is communicated with the water containing cavity 41, and the water outlet of the water outlet flow channel 3 is communicated with the outside; and
an RO membrane filter element 5, a first one-way valve 6 and a second one-way valve 7; the pure water outlet of the RO membrane filter element 5 is communicated with the water inlet of the first one-way valve 6, the water outlet of the first one-way valve 6 is respectively communicated with the water inlet of the second one-way valve 7 and the water outlet at the other end of the water flow channel 1, and the water outlet of the second one-way valve 7 is communicated with the water inlet of the RO membrane filter element 5.
When the water purifier works, pure water filtered by the RO membrane filter element 5 enters the water inlet flow channel 1, and when the liquid level in the water containing cavity 41 is higher than the water inlet of the water outlet flow channel 3 or a water tap is closed, air cannot be discharged and is trapped in the water containing inner cavity 41; the pure water continuously enters, the liquid level of the water containing inner cavity 41 continuously rises, air is compressed, and the air pressure in the water containing inner cavity 41 is increased along with the air pressure until the pressure reaches a set value; after the machine is stopped, the pure water in the water containing inner cavity 41 and the compressed air reversely push the pure water to enter the water flow channel 1, the pure water of the water flow channel 1 washes the RO membrane filter element 5 after passing through the second one-way valve 7, and the TDS value of the raw water side of the RO membrane filter element 5 is reduced.
In this embodiment, the bottle body comprises an upper cover 2 and a pure water barrel 4, the upper cover 2 covers an upper opening of the pure water barrel 4 and is in sealing fit with the upper opening to form a water containing cavity 41, the water inlet channel 1 penetrates through the upper cover 2, and the water outlet channel 3 penetrates through the upper cover 2.
In this embodiment, the water inlet of the water outlet channel 3 extends into the bottom of the water containing cavity 41.
Example two
As shown in fig. 4 to 6, a waterway structure for supplying pure water for backwashing to an RO membrane cartridge includes:
a pure water bottle structure; the pure water bottle structure comprises a bottle body, a water flow channel 1 and a water outlet flow channel 3, wherein a water containing cavity 41 is arranged in the bottle body; a water gap at one end of the water flow channel 1 is communicated with the water containing cavity 41; the water inlet of the water outlet flow channel 3 extends into the bottom of the water containing cavity 41 and is communicated with the water containing cavity 41; and
an RO membrane filter element 5, a first one-way valve 6 and a third one-way valve 8; the pure water outlet of the RO membrane filter element 5 is communicated with the water inlet of the first one-way valve 6, the water outlet of the first one-way valve 6 is communicated with the water port at the other end of the water flow channel 1, the water outlet of the water flow channel 3 is communicated with the water inlet of the third one-way valve 8, and the water outlet of the third one-way valve 8 is communicated with the water inlet of the RO membrane filter element 5.
When the RO membrane filter element works, pure water filtered by the RO membrane filter element 5 enters the water flow channel 1, and when the liquid level in the water containing cavity 41 is higher than the water outlet of the water outlet flow channel 3, air cannot be discharged and is trapped in the water containing cavity 41; the pure water continuously enters, the liquid level of the water containing inner cavity 41 continuously rises, air is compressed, and the air pressure in the water containing inner cavity 41 is increased along with the air pressure until the pressure reaches a set value; after shutting down, hold the pure water in the water inner chamber 41, during compressed air reverse-thrust pure water got into outlet flow channel 3, outlet flow channel 3's pure water washed the 5 cores of RO membrane filter behind third check valve 8, reduced the TDS value of the 5 former water sides of RO membrane filter core.
In this embodiment, the bottle body comprises an upper cover 2 and a pure water barrel 4, the upper cover 2 covers an upper opening of the pure water barrel 4 and is in sealing fit with the upper opening to form a water containing cavity 41, the water inlet channel 1 penetrates through the upper cover 2, and the water outlet channel 3 penetrates through the upper cover 2.
In this embodiment, the other end of the water inlet channel 1 extends into the bottom of the water containing cavity 41.
The embodiments of the present invention are described in detail above with reference to the drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention.
Claims (6)
1. The utility model provides a water route structure for raw water side provides pure water of RO membrane filter core which characterized in that includes:
a pure water bottle structure; the pure water bottle structure comprises a bottle body, a water flow channel (1) and a water outlet flow channel (3), wherein a water containing cavity (41) is arranged in the bottle body; a water gap at one end of the water flow channel (1) extends into the bottom of the water containing cavity (41) and is communicated with the water containing cavity (41); the water inlet of the water outlet flow channel (3) is communicated with the water containing cavity (41), and the water outlet of the water outlet flow channel (3) is communicated with the outside; and
an RO membrane filter element (5), a first one-way valve (6) and a second one-way valve (7); the pure water outlet of the RO membrane filter element (5) is communicated with the water inlet of the first one-way valve (6), the water outlet of the first one-way valve (6) is communicated with the water inlet of the second one-way valve (7) and the water outlet of the other end of the water flow channel (1) respectively, and the water outlet of the second one-way valve (7) is communicated with the water inlet of the RO membrane filter element (5).
2. The waterway structure for providing pure water to a raw water side of an RO membrane cartridge according to claim 1, wherein the bottle body comprises an upper cover (2) and a pure water bucket (4), the upper cover (2) covers an upper opening of the pure water bucket (4) and is in sealing fit with the upper opening to form a water containing cavity (41), the water inlet channel (1) passes through the upper cover (2), and the water outlet channel (3) passes through the upper cover (2).
3. The waterway structure for providing pure water to the raw water side of an RO membrane cartridge according to claim 1, wherein the inlet of the outlet channel (3) extends into the bottom of the water-containing chamber (41).
4. The utility model provides a water route structure for raw water side provides pure water of RO membrane filter core which characterized in that includes:
a pure water bottle structure; the pure water bottle structure comprises a bottle body, a water flow channel (1) and a water outlet flow channel (3), wherein a water containing cavity (41) is arranged in the bottle body; a water gap at one end of the water channel (1) is communicated with the water containing cavity (41); a water inlet of the water outlet flow channel (3) extends into the bottom of the water containing cavity (41) and is communicated with the water containing cavity (41); and
an RO membrane filter element (5), a first one-way valve (6) and a third one-way valve (8); the pure water outlet of the RO membrane filter element (5) is communicated with the water inlet of the first one-way valve (6), the water outlet of the first one-way valve (6) is communicated with the water outlet of the other end of the water flow channel (1), the water outlet of the water flow channel (3) is communicated with the water inlet of the third one-way valve (8), and the water outlet of the third one-way valve (8) is communicated with the water inlet of the RO membrane filter element (5).
5. The waterway structure for providing pure water to the raw water side of an RO membrane cartridge according to claim 4, wherein the bottle body comprises an upper cover (2) and a pure water bucket (4), the upper cover (2) covers the upper opening of the pure water bucket (4) and is in sealing fit with the upper opening to form a water containing cavity (41), the water inlet channel (1) passes through the upper cover (2), and the water outlet channel (3) passes through the upper cover (2).
6. The waterway structure for providing pure water to the raw water side of the RO membrane cartridge according to claim 5, wherein a water gap at the other end of the water inlet channel (1) extends into the bottom of the water containing cavity (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010752186.1A CN111747486A (en) | 2020-07-30 | 2020-07-30 | Water path structure for providing pure water for raw water side of RO (reverse osmosis) membrane filter element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010752186.1A CN111747486A (en) | 2020-07-30 | 2020-07-30 | Water path structure for providing pure water for raw water side of RO (reverse osmosis) membrane filter element |
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| Publication Number | Publication Date |
|---|---|
| CN111747486A true CN111747486A (en) | 2020-10-09 |
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| CN202010752186.1A Pending CN111747486A (en) | 2020-07-30 | 2020-07-30 | Water path structure for providing pure water for raw water side of RO (reverse osmosis) membrane filter element |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104846888A (en) * | 2014-10-30 | 2015-08-19 | 青岛万力科技有限公司 | Non-negative-pressure pipe network pressure-superposed flow stabilization water supply facility with compensation pump |
| CN105668706A (en) * | 2016-03-01 | 2016-06-15 | 李秀 | Automatic front and back washing ultrafiltration reverse osmosis water purification system provided with water storage diaphragm pressure tank |
| CN205528200U (en) * | 2016-04-14 | 2016-08-31 | 江西省宏丰塑胶有限公司 | Novel system pure water reverse osmosis system |
| CN205953557U (en) * | 2016-05-31 | 2017-02-15 | 佛山市云米电器科技有限公司 | No backpressure purifier |
| CN209602235U (en) * | 2018-12-17 | 2019-11-08 | 青岛金海顺净水设备有限公司 | Reverse osmosis purified water system |
| CN212799750U (en) * | 2020-07-30 | 2021-03-26 | 中山市史麦斯净水科技有限公司 | Water path structure for providing pure water for raw water side of RO (reverse osmosis) membrane filter element |
-
2020
- 2020-07-30 CN CN202010752186.1A patent/CN111747486A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104846888A (en) * | 2014-10-30 | 2015-08-19 | 青岛万力科技有限公司 | Non-negative-pressure pipe network pressure-superposed flow stabilization water supply facility with compensation pump |
| CN105668706A (en) * | 2016-03-01 | 2016-06-15 | 李秀 | Automatic front and back washing ultrafiltration reverse osmosis water purification system provided with water storage diaphragm pressure tank |
| CN205528200U (en) * | 2016-04-14 | 2016-08-31 | 江西省宏丰塑胶有限公司 | Novel system pure water reverse osmosis system |
| CN205953557U (en) * | 2016-05-31 | 2017-02-15 | 佛山市云米电器科技有限公司 | No backpressure purifier |
| CN209602235U (en) * | 2018-12-17 | 2019-11-08 | 青岛金海顺净水设备有限公司 | Reverse osmosis purified water system |
| CN212799750U (en) * | 2020-07-30 | 2021-03-26 | 中山市史麦斯净水科技有限公司 | Water path structure for providing pure water for raw water side of RO (reverse osmosis) membrane filter element |
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