CN112299532A - RO filter element for preventing TDS value of head cup water from being higher, water purifier and method - Google Patents
RO filter element for preventing TDS value of head cup water from being higher, water purifier and method Download PDFInfo
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- CN112299532A CN112299532A CN202011306646.4A CN202011306646A CN112299532A CN 112299532 A CN112299532 A CN 112299532A CN 202011306646 A CN202011306646 A CN 202011306646A CN 112299532 A CN112299532 A CN 112299532A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 158
- 238000000034 method Methods 0.000 title claims abstract description 8
- 239000012528 membrane Substances 0.000 claims abstract description 36
- 239000002351 wastewater Substances 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 239000002699 waste material Substances 0.000 claims description 4
- 150000002500 ions Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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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
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- 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/003—Coaxial constructions, e.g. a cartridge located coaxially within another
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/005—Valves
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/06—Pressure conditions
- C02F2301/066—Overpressure, high pressure
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
本发明公开了一种防止头杯水TDS值偏高的RO滤芯、净水机及方法，包括滤瓶、滤瓶盖和RO膜，RO膜置于滤瓶内；所述RO膜内部设有第一中心管，第一中心管上设有多个第一通孔，第一中心管内设有第二中心管，第一中心管与第二中心管上端为封闭端，且两者之间设有弹簧；所述第二中心管上设有多个第二通孔，第一通孔与第二通孔之间存在连通和互相错开两种状态。本发明在第一中心管内设置了同轴的第二中心管，两者可以相对移动，其上通孔可以连通或者互相错位，连通即可正常制水，互相错位即可防止静置时RO膜原水一侧TDS值高的水渗透到第二中心管内侧的纯水中，起到防止纯水TDS值升高的作用，保证头杯水水质正常。
The invention discloses an RO filter element, a water purifier and a method for preventing the high TDS value of first cup water, comprising a filter bottle, a filter bottle cap and an RO membrane, wherein the RO membrane is placed in the filter bottle; The first central tube, the first central tube is provided with a plurality of first through holes, the first central tube is provided with a second central tube, the upper ends of the first central tube and the second central tube are closed ends, and there is a There are springs; the second central tube is provided with a plurality of second through holes, and the first through holes and the second through holes exist in two states of being connected and staggered from each other. In the present invention, a coaxial second center pipe is arranged in the first center pipe, the two can move relatively, and the through holes on the first center pipe can be connected or misaligned with each other. The water with high TDS value on the raw water side penetrates into the pure water inside the second central pipe, which prevents the increase of the TDS value of the pure water and ensures the normal water quality of the first cup.
Description
Technical Field
The invention belongs to the technical field of water purification equipment, and particularly relates to an RO filter element, a water purifier and a method for preventing a TDS value of head cup water from being higher.
Background
The flow passage of the RO cartridge is generally of the following construction: raw water enters from one end of the filter element, the raw water is filtered from outside to inside, the filtered pure water flows out through the central tube, and the filtered concentrated water is arranged on the outer side of the central tube. The concentrated water on the concentrated water side of the RO filter element contains high-concentration ions which can be slowly diffused to the pure water side, and if the time is long enough, the concentrations on the two sides can reach the balance. If the pure water is diffused overnight, the TDS value of the pure water in the pure water side is obviously increased, and if heavy metal ions in the raw water are more, the heavy metals in the pure water also exceed the standard, so that the water quality and the taste are greatly influenced.
When the water purifier works, the TDS at the pure water end is in a normal state. When the purifier stood still, the ions on the wastewater side of the RO filter element could permeate the pure water side, so that the total dissolved solid TDS of the pure water rises. When the water purifier is started again, the TDS value of the purified water coming out at the earlier stage is higher, so that the problem of head cup water of the water purifier is formed.
Disclosure of Invention
The invention aims to provide an RO filter element, a water purifier and a method, which can solve the problem of high TDS value of head cup water.
Therefore, the first technical scheme of the invention is as follows: an RO filter element for preventing the TDS value of head cup water from being higher comprises a filter flask, a filter flask cover and an RO membrane, wherein the RO membrane is arranged in the filter flask, and the filter flask is fixedly connected with the filter flask cover; the method is characterized in that: a first central tube is arranged inside the RO membrane, and a plurality of first through holes which are uniformly distributed are formed in the circumference of the first central tube; a second central pipe is arranged in the first central pipe, the outer wall of the second central pipe is attached to the inner wall of the first central pipe, the upper ends of the first central pipe and the second central pipe are closed ends, and a spring is arranged between the first central pipe and the second central pipe; and a plurality of second through holes which are uniformly distributed are formed in the circumference of the second central pipe, and the first through holes of the first central pipe and the second through holes of the second central pipe are communicated and staggered.
Preferably, when the first through hole of the first central tube is communicated with the second through hole of the second central tube, the lower end of the second central tube is abutted against the inner side of the filter flask cover.
Preferably, a closed surface is arranged above the first central tube, and the first through hole is positioned below the closed surface; one end of the spring abuts against the closed end of the second central tube, and the other end of the spring abuts against the closed surface of the first central tube.
Preferably, the filter flask cover is provided with a water inlet, a pure water port and a wastewater port, a water inlet channel is arranged between the RO membrane and the inner wall of the filter flask and communicated with the water inlet, and a pure water channel is arranged inside the second central tube and communicated with the pure water port; and a membrane core end cover is arranged below the RO membrane, a water outlet column is arranged on the membrane core end cover, and a wastewater channel is arranged between the water outlet column and the first central tube and is communicated with a wastewater port.
The second technical scheme of the invention is as follows: a water purifier for preventing TDS value of primary water from being higher comprises the RO filter element.
Preferably, the RO filter further comprises a raw water inlet, a water inlet electromagnetic valve and a booster pump, wherein the raw water inlet is connected to the water inlet of the RO filter element through the water inlet electromagnetic valve and the booster pump, the pure water port of the RO filter element is connected to the water outlet faucet through a check valve and a high-pressure switch, and the waste water port of the RO filter element is connected to the waste discharge port through a flushing valve.
Preferably, a water self-sealing assembly is respectively arranged in the water inlet, the pure water inlet and the waste water inlet of the RO filter element.
The third technical scheme of the invention is as follows: when the water purifier is used and a water outlet faucet is opened, pure water prepared by an RO filter element flows out of the water outlet faucet through a through hole communicated between a first central tube and a second central tube; when the water outlet faucet is closed, water continues to be produced, the pressure in the second central pipe is increased, the second central pipe moves to one side of the spring under the action of water pressure, the through holes in the first central pipe and the second central pipe are mutually staggered, and the water path between the second central pipe and the RO membrane is cut off, so that the water production is stopped; when the water tap is opened again, the water pressure in the second central pipe is reduced, the second central pipe moves in the direction away from the spring under the action of the spring until the lower end of the second central pipe is abutted to the filter flask cover, the first central pipe is communicated with the through hole in the second central pipe, and the water path between the second central pipe and the RO membrane is communicated to normally make water.
The coaxial second central tube is arranged in the first central tube, the first central tube and the second central tube can move relative to each other, the through holes can be communicated or mutually staggered, normal water production can be realized when the through holes are communicated, and the passage between the second central tube and the RO membrane can be disconnected when the through holes are mutually staggered, so that water with a high TDS value on the raw water side of the RO membrane is prevented from permeating pure water on the inner side of the second central tube when the through holes are static, the effect of preventing the TDS value of the pure water from rising is realized, and the water quality of the head cup is.
Drawings
The following detailed description is made with reference to the accompanying drawings and embodiments of the present invention
FIG. 1 is a schematic view of the present invention in a state where a faucet is closed;
fig. 2 is a schematic view of the present invention in a state where the faucet is opened.
Labeled as: the device comprises a raw water inlet 1, a preposed filter element 2, a water inlet electromagnetic valve 3, a booster pump 4, an RO filter element 5, a filter flask 51, a filter flask cover 52, an RO membrane 53, a first central tube 54, a first through hole 55, a second central tube 56, a sealing surface 57, a spring 58, a second through hole 59, a membrane core end cover 60, a water inlet 61, a pure water port 62, a waste water port 63, a check valve 7, a high-pressure switch 8, a water outlet tap 9, a flushing valve 10, a waste discharge port 11 and a self-sealing water assembly 12.
Detailed Description
See the drawings. The embodiment purifier, including raw water inlet 1, leading filter core 2, inlet solenoid valve 3, booster pump 4 and RO filter core 5, raw water inlet 1 connects leading filter core 2, leading filter core 2 is connected to the water inlet 61 of RO filter core 5 through inlet solenoid valve 3 and booster pump 4, the pure water mouth 62 of RO filter core is connected to outlet tap 9 through check valve 7, high-pressure switch 8, the waste water mouth 63 of RO filter core is connected to waste discharge port 11 through flush valve 10.
The RO filter element 5 comprises a filter flask 51, a filter flask cover 52 and an RO membrane 53, the RO membrane 53 is arranged in the filter flask 51, the filter flask 51 is fixedly connected with the filter flask cover 52, a first central tube 54 is arranged inside the RO membrane, and a plurality of first through holes 55 which are uniformly distributed are arranged on the circumference of the first central tube 54; a second central tube 56 is arranged in the first central tube 54, the outer wall of the second central tube 56 is attached to the inner wall of the first central tube 54, the upper ends of the first central tube 54 and the second central tube are closed ends, a closed surface 57 is arranged above the first central tube 54, the first through hole is positioned below the closed surface, a spring 58 is arranged between the closed end of the second central tube and the closed surface of the first central tube, and the spring 58 gives a downward acting force to the second central tube 56; and a plurality of uniformly distributed second through holes 59 are formed in the circumference of the second central pipe, and the vertical distance between the second through holes is the same as that between the first through holes. When the force given to the second center tube 56 by the spring 58 is smaller than the water pressure in the second center tube, the second center tube 56 moves upwards under the action of the water pressure, and the first through hole 55 of the first center tube and the second through hole 59 of the second center tube are staggered with each other, so that the passage between the second center tube 56 and the RO membrane 53 is disconnected; when the force given by the spring 58 to the second center tube is larger than the water pressure in the second center tube, the second center tube 56 moves downwards under the action of the spring until the lower end of the second center tube 56 abuts against the inner side of the filter flask cover 52, and at this time, the first through hole 55 of the first center tube can be communicated with the second through hole 59 of the second center tube, so that the second center tube 56 is communicated with the RO membrane 53. When the lower end of the second central pipe is abutted to the inner side of the filter flask cover, the second through holes of the second central pipe are just aligned to the first through holes of the first central pipe one by one, and therefore it can be guaranteed that the two through holes cannot be staggered.
The filter bottle cap 52 is provided with a water inlet 61, a pure water port 62 and a waste water port 63, and the water inlet, the pure water port and the waste water port of the RO filter element are respectively provided with a self-sealing water assembly 12; a water inlet channel is arranged between the RO membrane 53 and the inner wall of the filter flask 51 and is communicated with the water inlet 61, and a pure water channel is arranged inside the second central tube 56 and is communicated with the pure water port 62; a membrane core end cover 60 is arranged below the RO membrane 53, a water outlet column is arranged on the membrane core end cover 60, and a wastewater channel is arranged between the water outlet column and the first central tube 54 and communicated with the wastewater port 63.
When the faucet is closed, water production is continued for a plurality of seconds, the pressure in the second central pipe 56 is increased, the second central pipe 56 moves to one side of the spring 58 under the action of water pressure, the first through hole 55 on the first central pipe and the second through hole 59 on the second central pipe are staggered, and the water production is stopped after the water path between pure water in the second central pipe 56 and the RO membrane 53 is cut off; can prevent that the water that RO membrane former water one side TDS value is high permeates the inboard pure water of second center tube when stewing to reach the pure water TDS value that prevents pure water one side and rise the effect, guarantee that first cup water quality of water is normal.
When the faucet is opened again to start water making, the water pressure in the second central pipe 56 is reduced, the second central pipe 56 moves in the direction away from the spring 58 under the action of the spring 58 until the second central pipe, the lower end of the second central pipe is abutted to the filter flask cover 52, the first through hole 55 in the first central pipe is communicated with the second through hole 59 in the second central pipe, and the water path between the second central pipe 56 and the RO membrane 53 is communicated to perform normal water making.
Claims (8)
1. An RO filter element for preventing the TDS value of head cup water from being higher comprises a filter flask, a filter flask cover and an RO membrane, wherein the RO membrane is arranged in the filter flask, and the filter flask is fixedly connected with the filter flask cover; the method is characterized in that: a first central tube is arranged inside the RO membrane, and a plurality of first through holes which are uniformly distributed are formed in the circumference of the first central tube; a second central pipe is arranged in the first central pipe, the outer wall of the second central pipe is attached to the inner wall of the first central pipe, the upper ends of the first central pipe and the second central pipe are closed ends, and a spring is arranged between the first central pipe and the second central pipe; and a plurality of second through holes which are uniformly distributed are formed in the circumference of the second central pipe, and the first through holes of the first central pipe and the second through holes of the second central pipe are communicated and staggered.
2. An RO filter cartridge for preventing elevated TDS values of head-cup water as claimed in claim 1, wherein: when the first through hole of the first central pipe is communicated with the second through hole of the second central pipe, the lower end of the second central pipe is abutted against the inner side of the filter flask cover.
3. An RO filter cartridge for preventing elevated TDS values of head-cup water as claimed in claim 1, wherein: a closed surface is arranged above the first central pipe, and the first through hole is positioned below the closed surface; one end of the spring abuts against the closed end of the second central tube, and the other end of the spring abuts against the closed surface of the first central tube.
4. An RO filter cartridge for preventing elevated TDS values of head-cup water as claimed in claim 1, wherein: the filter flask cover is provided with a water inlet, a pure water port and a wastewater port, a water inlet channel is arranged between the RO membrane and the inner wall of the filter flask and communicated with the water inlet, and a pure water channel is arranged inside the second central tube and communicated with the pure water port; and a membrane core end cover is arranged below the RO membrane, a water outlet column is arranged on the membrane core end cover, and a wastewater channel is arranged between the water outlet column and the first central tube and is communicated with a wastewater port.
5. The utility model provides a prevent purifier that head cup water TDS value is on high side which characterized in that: comprising a RO cartridge according to any one of claims 1 to 4.
6. The water purifier of claim 5, wherein the water purifier is capable of preventing TDS values of the head water from being higher than the TDS values of the head water, and comprises: still include raw water inlet, water inlet solenoid valve and booster pump, the raw water inlet is connected to the water inlet of RO filter core through water inlet solenoid valve and booster pump, and the pure water mouth of RO filter core is connected to out tap through check valve, high-pressure switch, and the waste water mouth of RO filter core is connected to the waste discharge mouth through the flushometer.
7. The water purifier of claim 5, wherein the water purifier is capable of preventing TDS values of the head water from being higher than the TDS values of the head water, and comprises: and a water self-sealing assembly is respectively arranged in the water inlet, the pure water inlet and the waste water inlet of the RO filter element.
8. A method for preventing TDS value of head cup water from being higher is characterized in that: when the water purifier of any one of claims 5-7 is used, pure water prepared by the RO filter element flows out of the water outlet faucet through the through holes communicated with the first central pipe and the second central pipe when the water outlet faucet is opened; when the water outlet faucet is closed, water continues to be produced, the pressure in the second central pipe is increased, the second central pipe moves to one side of the spring under the action of water pressure, the through holes in the first central pipe and the second central pipe are mutually staggered, and the water path between the second central pipe and the RO membrane is cut off, so that the water production is stopped; when the water tap is opened again, the water pressure in the second central pipe is reduced, the second central pipe moves in the direction away from the spring under the action of the spring until the lower end of the second central pipe is abutted to the filter flask cover, the first central pipe is communicated with the through hole in the second central pipe, and the water path between the second central pipe and the RO membrane is communicated to normally make water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011306646.4A CN112299532A (en) | 2020-11-20 | 2020-11-20 | RO filter element for preventing TDS value of head cup water from being higher, water purifier and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011306646.4A CN112299532A (en) | 2020-11-20 | 2020-11-20 | RO filter element for preventing TDS value of head cup water from being higher, water purifier and method |
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| CN112299532A true CN112299532A (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011306646.4A Pending CN112299532A (en) | 2020-11-20 | 2020-11-20 | RO filter element for preventing TDS value of head cup water from being higher, water purifier and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113307404A (en) * | 2021-06-01 | 2021-08-27 | 佛山市顺德区阿波罗环保器材有限公司 | Filtering component and water purifying equipment with same |
| CN113772837A (en) * | 2021-08-20 | 2021-12-10 | 佛山市麦克罗美的滤芯设备制造有限公司 | Filter core and water purification system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113307404A (en) * | 2021-06-01 | 2021-08-27 | 佛山市顺德区阿波罗环保器材有限公司 | Filtering component and water purifying equipment with same |
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| CN113772837A (en) * | 2021-08-20 | 2021-12-10 | 佛山市麦克罗美的滤芯设备制造有限公司 | Filter core and water purification system |
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Application publication date: 20210202 |
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