CN113149257A - Pump-free reverse osmosis water purification system - Google Patents
Pump-free reverse osmosis water purification system Download PDFInfo
- Publication number
- CN113149257A CN113149257A CN202110558532.7A CN202110558532A CN113149257A CN 113149257 A CN113149257 A CN 113149257A CN 202110558532 A CN202110558532 A CN 202110558532A CN 113149257 A CN113149257 A CN 113149257A
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- water
- reverse osmosis
- filter element
- stage filter
- inlet pipe
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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
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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
- C02F1/44—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
- 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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- 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
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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
The invention discloses a pumpless reverse osmosis water purification system, which comprises a non-pressure water tap and an integrated multistage filter element. The non-pressure water tap comprises a tap water inlet pipe and a water purifier inlet pipe, wherein the tap water inlet pipe is respectively communicated with the tap water control valve and the water purifier inlet pipe. The water inlet of the integrated multistage filter element is communicated with the water inlet pipe of the water purifier, the multistage filter element comprises a reverse osmosis membrane assembly, and the pressure loss of the upstream of a flow path leading to the reverse osmosis membrane assembly is not more than 10 psi. Through structural style to through losing the pressure and controlling within 10psi, make whole straight reverse osmosis system just can carry out direct water intaking under the pressure of running water, removed and carried out the time waiting that the water storage brought from using the overhead tank, also need not to use the booster pump to carry out the pressure boost, do not use any electric drive in the entire system moreover. The whole pump-free reverse osmosis water purification system has compact structure and small volume, and fundamentally solves the problem of noise of the reverse osmosis system caused by the booster pump.
Description
Technical Field
The invention relates to the technical field of water treatment, in particular to a pumpless reverse osmosis water purification system.
Background
Reverse osmosis water purification systems in the prior art require a booster pump to boost the water entering the reverse osmosis filter element, thereby producing pure water. On one hand, the booster pump has larger noise, which affects the comfort of the customer; on the other hand, the production cost is also higher, and further the use cost of users is influenced.
Disclosure of Invention
The invention aims to overcome the defects of high noise and high production cost caused by the adoption of a booster pump in a reverse osmosis water purification system in the prior art, and provides a pumpless reverse osmosis water purification system.
The invention solves the technical problems through the following technical scheme:
a pumpless reverse osmosis water purification system, its characterized in that, it includes:
the non-pressure water faucet comprises a tap water inlet pipe and a water purifier inlet pipe, wherein the tap water inlet pipe is respectively communicated with a tap water control valve and the water purifier inlet pipe;
the water inlet of the integrated multi-stage filter element is communicated with the water inlet pipe of the water purifier, the multi-stage filter element comprises a reverse osmosis membrane assembly, and the pressure loss of the upstream of a flow path leading to the reverse osmosis membrane assembly is not more than 10 psi.
In this scheme, through adopting no pressurized water tap and the multistage filter core of integral type to through with the pressure loss control within 10psi, make whole reverse osmosis water purification system just can carry out direct water intaking under the pressure of running water, removed the time that uses the overhead tank to carry out the water storage and bring from and waited for, also need not to use the booster pump to carry out the pressure boost, do not use any electric drive in the entire system moreover. Through the structure, the whole pump-free reverse osmosis water purification system is compact in structure and small in size, the noise problem of the reverse osmosis system caused by the booster pump is fundamentally solved, and meanwhile, the production cost and the use cost of a user are also reduced.
Preferably, the non-pressure water faucet further comprises a double-cut valve, a water purifier water outlet pipe and a faucet water outlet pipe; the double-cut valve is provided with a first channel and a second channel;
the water purifier water outlet pipe, the first channel and the faucet water outlet pipe are communicated to form a first water path;
the tap water inlet pipe, the second channel and the water purifier water inlet pipe are communicated to form a second water path;
rotating the double-cut valve can simultaneously close and open the first waterway and the second waterway.
In this scheme, through adopting the bitangent valve to make and can close the intaking that the running water inlet tube was located when closing the water purifier outlet pipe, can avoid the multistage filter core of integral type to be in under the high pressure state all the time through this kind of mode to protect the multistage filter core of integral type, with the life of the multistage filter core of extension integral type, and then reduce use cost.
Preferably, the aperture of the faucet water outlet pipe is not smaller than the apertures of the water purifier water inlet pipe and the first channel. The mode can prevent the water outlet pipe of the faucet from being suffocated, and further can increase the water outlet flux of the pump-free reverse osmosis water purification system.
Preferably, the water flux of the tap water inlet pipe, the water flux of the second channel and the water purifier inlet pipe are the same. By the mode, the pressure loss on the non-pressure water faucet can be further reduced, and the water outlet flux of the non-pump reverse osmosis water purification system can be further improved.
Preferably, the integrated multistage filter element further comprises a first-stage filter material group and a second-stage filter material group, the first-stage filter material group is arranged at the upstream of a flow path leading to the second-stage filter material group, and the second-stage filter material group is arranged at the upstream of the flow path leading to the reverse osmosis membrane module. Through setting up one-level filter media group and second grade filter media group, filter the water before getting into the reverse osmosis membrane subassembly for the impurity of the aquatic before getting into the reverse osmosis membrane subassembly is less relatively, is favorable to improving the play water flux of reverse osmosis membrane subassembly on the one hand, and on the other hand also is favorable to preventing to block up the reverse osmosis membrane subassembly because of impurity too much, and then protects the reverse osmosis membrane subassembly.
Preferably, the integrated multistage filter element further comprises a shell, the first-stage filter material group, the second-stage filter material group and the reverse osmosis membrane assembly are all located in the shell, and the water inlet is communicated with the first-stage filter material group. The first-stage filter material group, the second-stage filter material group and the reverse osmosis membrane component are integrated in the same shell, so that on one hand, the integration of the integrated multi-stage filter element is improved, and the installation is convenient; on the other hand, the volume of the pump-free reverse osmosis water purification system is reduced, and the space is saved. And with water inlet and one-level filter media intercommunication for the water that gets into the multistage filter core of integral type, earlier through one-level filter media group carry out the prefiltering back and get into second grade filter media group, adopt this kind of mode, not only improved the filter effect, be favorable to protecting the reverse osmosis membrane subassembly moreover.
Preferably, the integrated multi-stage filter element further comprises an upper end cover and a lower end cover, wherein a first fixing groove is formed in the upper end cover, a second fixing groove is formed in the lower end cover, the first fixing groove and the second fixing groove are oppositely arranged, and two ends of the first-stage filter material group and two ends of the second-stage filter material group are respectively fixed in the first fixing groove and the second fixing groove. The first-stage filter material group and the second-stage filter material group are fixed through the first fixing groove in the upper end cover and the second fixing groove in the lower end cover, and meanwhile, water which is not filtered by the first-stage filter material group and the second-stage filter material group is prevented from directly flowing into the reverse osmosis membrane assembly, so that the filtering effect is favorably improved.
Preferably, the integrated multistage filter element further comprises a cylindrical support member, the second-stage filter material group surrounds the outer surface of the support member, and two ends of the support member are respectively fixed in the first fixing groove and the second fixing groove. The secondary filter material group is supported by the supporting piece, so that the secondary filter material group is prevented from deforming under the pressure of water.
Preferably, the two ends of the supporting member are hermetically arranged between the first fixing groove and the second fixing groove, and a plurality of water holes are formed in the side wall of the supporting member. With the sealed setting of support piece's both ends and first fixed slot and second fixed slot, further improve the leakproofness at the both ends of one-level filter media group and second grade filter media group to be favorable to improving the filter effect. The side wall of the support piece is provided with water through holes for water filtered by the first-stage filter material group and the second-stage filter material group to flow through, so that the first-stage filter material group, the second-stage filter material group and the reverse osmosis membrane component are communicated.
Preferably, the reverse osmosis membrane module is arranged inside the supporting member, and the outer wall of the reverse osmosis membrane module and the inner wall of the supporting member are arranged at intervals. The interval sets up between the outer wall of reverse osmosis membrane module and support piece's the inner wall for certain space has between reverse osmosis membrane module and the support piece and is used for the circulation of water, is favorable to improving the water passing area of reverse osmosis membrane module's outer wall, and then is favorable to improving reverse osmosis membrane module's infiltration efficiency, also can reduce the pressure loss simultaneously, and then improves whole no pump reverse osmosis water purification system's play water flux.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows: according to the pump-free reverse osmosis water purification system, the water can be directly taken by the whole direct drinking reverse osmosis system under the pressure of tap water by adopting the non-pressure water faucet and the integrated multi-stage filter element and controlling the pressure loss within 10psi, so that the time waiting brought by using a pressure tank to store water is avoided, the booster pump is not needed to be used for boosting, and no electric drive is used in the whole system. Through the structure, the whole pump-free reverse osmosis water purification system is compact in structure and small in size, the noise problem of the reverse osmosis system caused by the booster pump is fundamentally solved, and meanwhile, the production cost and the use cost of a user are also reduced.
Drawings
Fig. 1 is a schematic structural diagram of a pump-less reverse osmosis water purification system according to a preferred embodiment of the present invention.
Fig. 2 is a bottom view of an integrated multiple stage filter cartridge according to a preferred embodiment of the invention.
Fig. 3 is a sectional view taken along line a-a in fig. 2.
Fig. 4 is a schematic structural view of a pressureless faucet according to a preferred embodiment of the present invention.
Fig. 5 is a sectional view taken along line B-B in fig. 4.
Description of reference numerals:
Running water inlet pipe 101
Water purifier inlet tube 102
Water purifier outlet pipe 103
Tap outlet pipe 104
Double-cut valve 107
Integrated multistage filter element 20
Two-stage filter set 206
Reverse osmosis membrane module 207
Detailed Description
The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.
As shown in fig. 1 to 5, the present embodiment provides a pumpless reverse osmosis water purification system including a pressureless water tap 10 and an integrated multi-stage filter cartridge 20. The non-pressure water tap 10 comprises a tap water inlet pipe 101 and a water purifier inlet pipe 102, wherein the tap water inlet pipe 101 is respectively communicated with a tap water control valve and the water purifier inlet pipe 102. The water inlet 201 of the integrated multi-stage filter element 20 is communicated with the water inlet pipe 102 of the water purifier, the multi-stage filter element comprises a reverse osmosis membrane assembly 207, and the pressure loss of the upstream of the flow path leading to the reverse osmosis membrane assembly 207 is not more than 10 psi.
The non-pressure water tap 10 is used for controlling the inlet and outlet of tap water and the output of filtered pure water. Through adopting no pressurized water tap 10 and integral type multiple-stage filter element 20 to through with the pressure loss control within 10psi, make whole reverse osmosis water purification system just can carry out direct water intaking under the pressure of running water, removed and carried out the time wait that the water storage brought using the overhead tank from and also need not to use the booster pump to carry out the pressure boost, do not use any electric drive in the entire system moreover. Through the structure, the whole pump-free reverse osmosis water purification system is compact in structure and small in size, the noise problem of the reverse osmosis system caused by the booster pump is fundamentally solved, and meanwhile, the production cost and the use cost of a user are also reduced.
In this embodiment, the pressureless water faucet 10 further includes a double-cut valve 107, a water purifier outlet pipe 103 and a faucet outlet pipe 104; the double-cut valve 107 is provided with a first channel 105 and a second channel 106; wherein, the water purifier outlet pipe 103, the first channel 105 and the faucet outlet pipe 104 are communicated to form a first water path; the tap water inlet pipe 101, the second channel 106 and the water purifier inlet pipe 102 are communicated to form a second water path; the first and second water paths can be simultaneously closed and opened by turning the double cut valve 107. Through adopting double-cutting valve 107 to make and can close the intaking that running water inlet pipe 101 located when closing water purifier outlet pipe 103, can avoid integral type multistage filter core 20 to be in under the high pressure state all the time through this kind of mode to protect integral type multistage filter core 20, with the life of extension integral type multistage filter core 20, and then reduce use cost.
In order to ensure the pressure of the water entering the reverse osmosis membrane module 207, in the present embodiment, the pressure loss can be reduced by the following structure, so as to ensure the pressure of the water before entering the reverse osmosis membrane module 207, thereby ensuring the water outlet flux of the whole reverse osmosis water purification system. For example, the aperture of the faucet outlet pipe 104 in the pressureless faucet 10 is set to be not smaller than the apertures of the water inlet pipe 102 and the first passage 105 of the water purifier. In this way, the air blockage at the water outlet pipe 104 of the faucet can be prevented, and the water outlet flux of the pump-free reverse osmosis water purification system can be increased. The pressure loss on the non-pressurized water faucet 10 can be further reduced by setting the water flux of the tap water inlet pipe 101, the second channel 106 and the water purifier inlet pipe 102 to be the same, and the water flux of the non-pump reverse osmosis water purification system can be further improved.
In the present embodiment, the integrated multistage filter cartridge 20 further includes a first filter group 205 and a second filter group 206, the first filter group 205 being provided upstream of the flow path leading to the second filter group 206, and the second filter group 206 being provided upstream of the flow path leading to the reverse osmosis membrane module 207. Wherein, the first-stage filter material group 205 adopts PP cotton, and the second-stage filter material group 206 adopts carbon fiber. Through setting up one-level filter media group 205 and second grade filter media group 206, filter before getting into reverse osmosis membrane module 207 for the impurity that gets into the aquatic before reverse osmosis membrane module 207 is less relatively, is favorable to improving reverse osmosis membrane module 207's play water flux on the one hand, and on the other hand also is favorable to preventing to block up reverse osmosis membrane module 207 because of impurity is too much, and then protects reverse osmosis membrane module 207. In order to reduce the pressure loss, the pore diameters of the PP cotton and the carbon fiber may be set to be larger, and the thickness may be set to be thicker in order to ensure the filtering effect.
Further, the integrated multistage filter element 20 further comprises a shell 204, the first-stage filter material group 205, the second-stage filter material group 206 and the reverse osmosis membrane module 207 are all located in the shell 204, and the water inlet 201 is communicated with the first-stage filter material group 205. The integration of the integrated multi-stage filter element 20 is improved and the installation is convenient on the one hand by integrating the first-stage filter material group and the second-stage filter material group 206 in the same shell 204 through the reverse osmosis membrane component 207; on the other hand, the volume of the pump-free reverse osmosis water purification system is reduced, and the space is saved. And with water inlet 201 and one-level filter media intercommunication for the water that gets into integral type multiple filter element 20, earlier through one-level filter media group 205 carry out the prefilter after getting into second grade filter media group 206, adopt this kind of mode, not only improved the filter effect, be favorable to protecting reverse osmosis membrane subassembly 207 moreover.
In this embodiment, the integrated multi-stage filter element 20 further includes an upper end cap 208 and a lower end cap 209, the upper end cap 208 is provided with a first fixing groove 2081, the lower end cap 209 is provided with a second fixing groove 2091, the first fixing groove 2081 and the second fixing groove 2091 are oppositely disposed, and two ends of the first-stage filter material group 205 and the second-stage filter material group 206 are respectively fixed in the first fixing groove 2081 and the second fixing groove 2091. The first fixing groove 2081 on the upper end cover 208 and the second fixing groove 2091 on the lower end cover 209 fix the first-stage filter material group 205 and the second-stage filter material group 206, and simultaneously prevent water which is not filtered by the first-stage filter material group 205 and the second-stage filter material group 206 from directly flowing into the reverse osmosis membrane assembly 207, thereby being beneficial to improving the filtering effect.
In order to prevent the second stage filter set 206 from deforming under the pressure of water, the integrated multi-stage filter element 20 further includes a cylindrical support member 210, the second stage filter set 206 surrounds the outer surface of the support member 210, and both ends of the support member 210 are respectively fixed in the first fixing groove 2081 and the second fixing groove 2091. The secondary filter set 206 is supported by a support 210. Moreover, the two ends of the supporting member 210 are hermetically disposed between the first fixing groove 2081 of the upper end cover 208 and the second fixing groove 2091 of the lower end cover 209, and the sidewall of the supporting member 210 is provided with a plurality of water passing holes 2101. The two ends of the supporting element 210 are hermetically arranged with the first fixing groove 2081 and the second fixing groove 2091, so that the sealing performance of the two ends of the first-stage filter material group 205 and the second-stage filter material group 206 is further improved, and the filtering effect is favorably improved. A water through hole 2101 is formed in the side wall of the support 210 for water filtered by the first stage filter set 205 and the second stage filter set 206 to flow through, so that the first stage filter set 205, the second stage filter set 206 and the reverse osmosis membrane module 207 are communicated with each other. The number and shape of the water through holes 2101 are not limited, and the larger the number of the water through holes 2101, the better the secondary filter group 206 without affecting the strength of the support member 210, and in this embodiment, the circular holes are used as the water through holes 2101.
Accordingly, the reverse osmosis membrane module 207 is disposed inside the support member 210, and an outer wall of the reverse osmosis membrane module 207 is spaced apart from an inner wall of the support member 210. The interval sets up between reverse osmosis membrane module 207's outer wall and support piece 210's inner wall for certain space has between reverse osmosis membrane module 207 and the support piece 210 and is used for the circulation of water, is favorable to improving the water passing area of reverse osmosis membrane module 207's outer wall, and then is favorable to improving reverse osmosis membrane module 207's permeation efficiency, also can reduce the pressure loss simultaneously, and then improves whole no pump reverse osmosis water purification system's play flux.
In this embodiment, the waste water port 203 of the integrated multi-stage reverse osmosis cartridge is connected to a waste water ratio. The water entering the tap water inlet pipe 101 of the non-pressurized water faucet 10 may be tap water or water that is purified or prepared to some extent, but the water entering the tap water inlet pipe 101 of the non-pressurized water faucet 10 must be water with a certain pressure. Water enters a first channel 105 from a tap water inlet pipe 101 of a non-pressurized water faucet 10, enters a water purifier inlet pipe 102 through the first channel 105, then enters an integrated multi-stage reverse osmosis filter element through a water inlet 201 of the integrated multi-stage reverse osmosis filter element, enters a reverse osmosis membrane assembly 207 through a first-stage filter element group 205 and a second-stage filter element group 206, and water passing through a reverse osmosis membrane, namely pure water, enters a water purifier outlet pipe 103 from a water outlet 202 of the integrated multi-stage reverse osmosis filter element and flows out from a faucet outlet pipe 104 through the first channel 105. The wastewater passes through the wastewater port 203 of the integrated multistage reverse osmosis filter element and is discharged through a wastewater ratio.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (10)
1. A pumpless reverse osmosis water purification system, characterized in that it comprises:
the non-pressure water faucet comprises a tap water inlet pipe and a water purifier inlet pipe, wherein the tap water inlet pipe is respectively communicated with a tap water control valve and the water purifier inlet pipe;
the water inlet of the integrated multi-stage filter element is communicated with the water inlet pipe of the water purifier, the multi-stage filter element comprises a reverse osmosis membrane assembly, and the pressure loss of the upstream of a flow path leading to the reverse osmosis membrane assembly is not more than 10 psi.
2. The pumpless reverse osmosis water purification system of claim 1, wherein the pressureless faucet further comprises a double-cut valve, a purifier outlet pipe, and a faucet outlet pipe; the double-cut valve is provided with a first channel and a second channel;
the water purifier water outlet pipe, the first channel and the faucet water outlet pipe are communicated to form a first water path;
the tap water inlet pipe, the second channel and the water purifier water inlet pipe are communicated to form a second water path;
rotating the double-cut valve can simultaneously close and open the first waterway and the second waterway.
3. The pumpless reverse osmosis water purification system of claim 2, wherein the diameter of the faucet water outlet pipe is not smaller than the diameter of the water purifier water inlet pipe and the first channel.
4. The pumpless reverse osmosis water purification system of claim 2, wherein the water inlet conduit of the tap water, the second channel and the water inlet conduit of the water purifier have the same water flux.
5. The pumpless reverse osmosis water purification system of claim 1, wherein the integrated multi-stage filter further comprises a primary filter set and a secondary filter set, the primary filter set being disposed upstream of a flow path leading to the secondary filter set, the secondary filter set being disposed upstream of a flow path leading to the reverse osmosis membrane module.
6. The pumpless reverse osmosis water purification system of claim 5, wherein the integrated multi-stage filter element further comprises a housing, the first stage filter element group, the second stage filter element group and the reverse osmosis membrane module are all located in the housing, and the water inlet is communicated with the first stage filter element group.
7. The pumpless reverse osmosis water purification system of claim 5, wherein the integrated multi-stage filter element further comprises an upper end cap and a lower end cap, the upper end cap has a first fixing groove, the lower end cap has a second fixing groove, the first fixing groove and the second fixing groove are oppositely disposed, and two ends of the first stage filter element set and the second stage filter element set are respectively fixed in the first fixing groove and the second fixing groove.
8. The pumpless reverse osmosis water purification system of claim 7, wherein the integrated multi-stage filter element further comprises a cylindrical support member, the second stage filter element group surrounds an outer surface of the support member, and two ends of the support member are respectively fixed in the first fixing groove and the second fixing groove.
9. The pumpless reverse osmosis water purification system of claim 8, wherein the supporting member is sealed between both ends thereof and the first and second fixing grooves, and a plurality of water passing holes are formed on a sidewall of the supporting member.
10. The pumpless reverse osmosis water purification system of claim 8, wherein the reverse osmosis membrane module is disposed within the support member, an outer wall of the reverse osmosis membrane module being spaced apart from an inner wall of the support member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110558532.7A CN113149257A (en) | 2021-05-21 | 2021-05-21 | Pump-free reverse osmosis water purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110558532.7A CN113149257A (en) | 2021-05-21 | 2021-05-21 | Pump-free reverse osmosis water purification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113149257A true CN113149257A (en) | 2021-07-23 |
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ID=76877819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110558532.7A Pending CN113149257A (en) | 2021-05-21 | 2021-05-21 | Pump-free reverse osmosis water purification system |
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| Country | Link |
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| CN (1) | CN113149257A (en) |
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2021
- 2021-05-21 CN CN202110558532.7A patent/CN113149257A/en active Pending
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