CN114262027A - Reverse osmosis wastewater backflow waterway system and water purifier - Google Patents
Reverse osmosis wastewater backflow waterway system and water purifier Download PDFInfo
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- CN114262027A CN114262027A CN202111649724.5A CN202111649724A CN114262027A CN 114262027 A CN114262027 A CN 114262027A CN 202111649724 A CN202111649724 A CN 202111649724A CN 114262027 A CN114262027 A CN 114262027A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 616
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 464
- 239000002351 wastewater Substances 0.000 title claims abstract description 414
- 230000000670 limiting effect Effects 0.000 claims description 168
- 239000003651 drinking water Substances 0.000 claims description 167
- 235000020188 drinking water Nutrition 0.000 claims description 160
- 238000012544 monitoring process Methods 0.000 claims description 81
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 52
- 230000008859 change Effects 0.000 claims description 26
- 238000011045 prefiltration Methods 0.000 claims description 18
- 238000001728 nano-filtration Methods 0.000 claims description 15
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- 235000020679 tap water Nutrition 0.000 abstract description 141
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- 230000002035 prolonged effect Effects 0.000 description 48
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- 238000010586 diagram Methods 0.000 description 24
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- 229910052799 carbon Inorganic materials 0.000 description 8
- 238000011084 recovery Methods 0.000 description 4
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Abstract
The invention discloses a reverse osmosis wastewater backflow waterway system and a water purifier, wherein the reverse osmosis wastewater backflow waterway system enables wastewater to flow back to a first reverse osmosis filter element through a pipeline and then enter the first reverse osmosis filter element again for secondary filtration after being mixed with tap water, so that the discharge of the wastewater can be greatly reduced while the performance and the service life of the first reverse osmosis filter element are ensured; simultaneously, the wastewater is connected with the domestic water outlet assembly, the wastewater discharge is completed when the domestic water outlet assembly is opened, and the wastewater is recycled, so that the requirements of ecological environment protection are met.
Description
Technical Field
The invention relates to the technical field of water purifiers, in particular to a reverse osmosis wastewater backflow waterway system and a water purifier provided with the reverse osmosis wastewater backflow waterway system.
Background
By the reverse osmosis process, water can be passed from a solution with a high concentration to a solution with a low concentration. Since inorganic ions, colloidal substances and macromolecular solutes cannot pass through the reverse osmosis membrane, unwanted substances remain at the end of the solution having a high concentration during this process, while purified pure water is obtained at the end having a low concentration. The process of the operation of the reverse osmosis membrane which is a core component of the water purifier is actually a liquid concentration process, the salt content in water is continuously increased along with the flowing of the water through the surface of the reverse osmosis filter element, and the osmotic pressure of the water is also continuously increased. When the osmotic pressure increases to the pressure of the booster pump, water cannot flow into one end of the purified water through the reverse osmosis membrane. The part of the water which fails to pass is the waste water generated in the process of making water.
The lower the amount of wastewater, the higher the recovery rate (water yield/total water intake 100%), the more easily colloids, organic pollutants and scale-forming ions are deposited on the surface of the reverse osmosis filter element, which causes the blockage of the reverse osmosis filter element, and the reduction of the water yield and the desalination rate. Therefore, in order to ensure the performance of the reverse osmosis filter element and prolong the service life of the reverse osmosis filter element, the recovery rate of the reverse osmosis system on the market is generally 50-60%. But the recovery rate is not high, so that the waste water is excessive, and the resource utilization is not facilitated.
Disclosure of Invention
The invention mainly aims to provide a reverse osmosis wastewater backflow waterway system and a water purifier, and aims to solve the problem that water sources are wasted due to excessive wastewater generated by the reverse osmosis wastewater backflow waterway system in the conventional water purifier.
In order to achieve the above object, the present invention provides a reverse osmosis wastewater backflow waterway system, comprising:
a first reverse osmosis filter element having a first water inlet, a first water outlet, and a first waste water outlet;
the booster pump is provided with a pump inlet and a pump outlet, the pump inlet is communicated with a water source, the pump outlet is communicated with the first water inlet, and the first wastewater port is communicated with the pump inlet through a first branch;
the water outlet assembly is provided with a water outlet, a drinking water inlet and a domestic water inlet, the drinking water inlet and the water outlet can be communicated and separated, and the domestic water inlet and the water outlet can be communicated and separated; the drinking water inlet is communicated with the first water outlet, and the domestic water inlet is communicated with the first wastewater outlet;
the first check valve is arranged on the first branch, and the flow direction of the first check valve flows from the first waste water port to the pump inlet;
the first current limiting valve is arranged on the first branch and has a current limiting function;
a fluid monitoring assembly disposed on a flow path between the first water outlet and the potable water inlet; the fluid monitoring assembly controls the booster pump to start or stop by monitoring water pressure change.
In one embodiment, when the water flow pressure on the flow path between the first water outlet and the drinking water inlet is greater than or equal to the rated pressure value of the fluid monitoring assembly, the booster pump stops operating; and when the water flow pressure on the flow path between the first water outlet and the drinking water inlet is smaller than the rated pressure value of the fluid monitoring assembly, the booster pump is started.
In an embodiment, the water outlet assembly includes a drinking water outlet assembly and a domestic water outlet assembly which are independent of each other, the drinking water outlet assembly has the drinking water inlet, the domestic water outlet assembly has the domestic water inlet, and the water outlet includes a drinking water outlet disposed on the drinking water outlet assembly and a domestic water outlet disposed on the domestic water outlet assembly.
In an embodiment, the reverse osmosis wastewater return waterway system further includes a second reverse osmosis filter element disposed on the first branch, the second reverse osmosis filter element having a second water inlet, a second water outlet, and a second wastewater inlet, the second water inlet being in communication with the first wastewater inlet, the second wastewater outlet being in communication with the domestic water inlet, the second water outlet being in communication with the potable water inlet via the fluid monitoring assembly.
In an embodiment, the water outlet assembly includes a drinking water outlet assembly and a domestic water outlet assembly which are independent of each other, the drinking water outlet assembly has the drinking water inlet, the domestic water outlet assembly has the domestic water inlet, and the water outlet includes a drinking water outlet disposed on the drinking water outlet assembly and a domestic water outlet disposed on the domestic water outlet assembly.
In an embodiment, the reverse osmosis wastewater backflow waterway system further includes a second reverse osmosis filter element, the second reverse osmosis filter element has a second water inlet, a second water outlet and a second wastewater inlet, the second water inlet is communicated with the pump outlet, the second wastewater outlet is communicated with the pump inlet through a second branch, a second flow limiting valve and a second one-way valve are arranged on the second branch, a flow direction of the second one-way valve flows from the second wastewater outlet to the pump inlet, the second flow limiting valve has a flow limiting function, and the second water outlet is communicated with the drinking water inlet through the fluid monitoring assembly.
In an embodiment, the water outlet assembly includes a drinking water outlet assembly and a domestic water outlet assembly which are independent of each other, the drinking water outlet assembly has the drinking water inlet, the domestic water outlet assembly has the domestic water inlet, and the water outlet includes a drinking water outlet disposed on the drinking water outlet assembly and a domestic water outlet disposed on the domestic water outlet assembly.
In one embodiment, the reverse osmosis wastewater backflow waterway system further comprises a preposed filter element, the preposed filter element is arranged at the upstream of the booster pump, and the water yield of the preposed filter element is more than or equal to 8L/min.
In one embodiment, the reverse osmosis wastewater backflow waterway system further comprises a preposed filter element, the preposed filter element is arranged at the upstream of the booster pump, and the water yield of the preposed filter element is less than 8L/min.
In one embodiment, a water inlet valve is arranged between the upstream of the pre-filter element or the intersection of the flow path where the pump inlet is positioned and the first branch path and the pre-filter element.
In an embodiment, the reverse osmosis wastewater return waterway system further includes a post-filter element disposed on a flow path between the first reverse osmosis filter element and the fluid monitoring assembly.
In one embodiment, the pre-filter element is a PP filter element, an activated carbon filter element, an ultrafiltration filter element or a nanofiltration filter element; the post-positioned filter element is an activated carbon filter element.
In order to achieve the above object, the present invention also provides a water purifier including a reverse osmosis wastewater backflow waterway system, the reverse osmosis wastewater backflow waterway system including:
a first reverse osmosis filter element having a first water inlet, a first water outlet, and a first waste water outlet;
the booster pump is provided with a pump inlet and a pump outlet, the pump inlet is communicated with a water source, the pump outlet is communicated with the first water inlet, and the first wastewater port is communicated with the pump inlet through a first branch;
the water outlet assembly is provided with a water outlet, a drinking water inlet and a domestic water inlet, the drinking water inlet and the water outlet can be communicated and separated, and the domestic water inlet and the water outlet can be communicated and separated; the drinking water inlet is communicated with the first water outlet, and the domestic water inlet is communicated with the first wastewater outlet;
the first check valve is arranged on the first branch, and the flow direction of the first check valve flows from the first waste water port to the pump inlet;
the first current limiting valve is arranged on the first branch and has a current limiting function;
a fluid monitoring assembly disposed on a flow path between the first water outlet and the potable water inlet; the fluid monitoring assembly is electrically connected with the booster pump, and when the fluid monitoring assembly is triggered, the booster pump operates.
The invention provides a reverse osmosis wastewater backflow waterway system matched with a mechanical faucet, wherein wastewater flows back to a reverse osmosis filter element through a pipeline, is mixed with tap water and then enters the reverse osmosis filter element again for secondary filtration. The method can reduce the discharge of waste water while ensuring the performance and the service life of the reverse osmosis filter element; simultaneously, the wastewater is connected with the domestic water outlet assembly, the wastewater discharge is completed when the domestic water outlet assembly is opened, and the wastewater is recycled, so that the requirements of ecological environment protection are met.
When a user opens the domestic water outlet assembly, tap water with lower ion concentration can replace waste water with high ion concentration accumulated on the waste water side of the reverse osmosis filter element, so that the problem of the first cup of water is effectively solved; and because the domestic water flow is large, when passing through the reverse osmosis filter element, the water can wash away pollutants such as scale and organic matters deposited on the side surface of the wastewater of the reverse osmosis filter element, so that the scaling risk of the reverse osmosis filter element is reduced, and the service life of the reverse osmosis filter element is prolonged; meanwhile, the process can flush the wastewater backflow waterway and the flow-limiting valve, so that the risk of blockage of the flow-limiting valve due to scaling is reduced, and the service life of the reverse osmosis filter element is further prolonged; when the domestic water outlet assembly is opened, the waste water generated and accumulated in the water production process can be discharged through the domestic water outlet assembly for domestic water use, and the waste water utilization is realized in the true sense.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic flow diagram of a reverse osmosis wastewater return waterway system according to a first embodiment of the present application;
FIG. 2 is a schematic flow diagram of a reverse osmosis wastewater return waterway system according to a second embodiment of the present application;
FIG. 3 is a schematic flow diagram of a reverse osmosis wastewater return waterway system according to a third embodiment of the present application;
FIG. 4 is a schematic flow diagram of a reverse osmosis wastewater return waterway system according to a fourth embodiment of the present application;
FIG. 5 is a schematic flow diagram of a fifth embodiment of a reverse osmosis wastewater return waterway system according to the present application;
FIG. 6 is a schematic flow diagram of a reverse osmosis wastewater return waterway system according to a sixth embodiment of the present application;
FIG. 7 is a schematic flow diagram of a reverse osmosis wastewater return waterway system according to a seventh embodiment of the present application;
FIG. 8 is a schematic flow diagram of an eighth embodiment of a reverse osmosis wastewater return waterway system according to the present application;
FIG. 9 is a schematic flow diagram of a ninth embodiment of a reverse osmosis wastewater return waterway system according to the present application;
FIG. 10 is a schematic flow diagram of a tenth embodiment of a reverse osmosis wastewater return waterway system according to the present application;
FIG. 11 is a schematic flow diagram of an eleventh embodiment of a reverse osmosis wastewater return waterway system according to the present application;
FIG. 12 is a schematic flow diagram of a twelfth embodiment of a reverse osmosis wastewater return waterway system according to the present application;
FIG. 13 is a schematic flow diagram of a thirteenth embodiment of a reverse osmosis wastewater return waterway system according to the present application;
FIG. 14 is a schematic flow diagram of a fourteenth embodiment of a reverse osmosis wastewater return waterway system according to the present application;
FIG. 15 is a schematic flow diagram of a fifteenth embodiment of a reverse osmosis wastewater return waterway system according to the present application;
FIG. 16 is a schematic flow diagram of a sixteenth embodiment of a reverse osmosis wastewater return waterway system according to the present application;
FIG. 17 is a schematic flow diagram of a seventeenth embodiment of a reverse osmosis wastewater return waterway system according to the present application;
FIG. 18 is a schematic flow diagram of an eighteenth embodiment of a reverse osmosis wastewater return waterway system according to the present application;
FIG. 19 is a schematic flow diagram of a nineteenth embodiment of a reverse osmosis wastewater return waterway system according to the present application;
FIG. 20 is a schematic flow diagram of a twentieth embodiment of a reverse osmosis wastewater return waterway system according to the present application;
FIG. 21 is a schematic flow diagram of a reverse osmosis wastewater return waterway system according to a twenty-first embodiment of the present application;
FIG. 22 is a schematic flow diagram of a reverse osmosis wastewater return waterway system according to a twenty-second embodiment of the present application;
FIG. 23 is a schematic flow diagram of a twenty-third embodiment of a reverse osmosis wastewater return waterway system according to the present application;
fig. 24 is a schematic flow diagram of a reverse osmosis wastewater return water circuit system according to a twenty-fourth embodiment of the present application.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 11a | First reverse |
111 | |
| 112 | The |
113 | First |
| 11b | Second reverse |
114 | |
| 115 | |
116 | Second |
| 12 | |
121 | |
| 122 | Pump outlet | P1 | First branch |
| P2 | |
14a | First |
| 14b | Second |
15a | |
| 15c | |
16 | |
| 13 | |
131 | |
| 132 | Water inlet for |
133 | |
| 13a | Drinking |
13b | Domestic |
| 131a | |
131b | |
| 17a | |
17b | Rear filter element |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a reverse osmosis wastewater backflow waterway system and a water purifier comprising the same.
Referring to fig. 1, the reverse osmosis wastewater backflow waterway system includes: a first reverse osmosis filter element 11a, a booster pump 12, an outlet assembly 13, a first one-way valve 15a, a first flow restriction valve 14a and a fluid monitoring assembly 16. The first reverse osmosis cartridge 11a has a first water inlet 111, a first water outlet 112 and a first waste water outlet 113. The booster pump 12 has a pump inlet 121 and a pump outlet 122, the pump inlet 121 is for communicating with a water source, the pump outlet 122 is in communication with the first water inlet 111, and the first waste water inlet 113 is through a first branch P1Communicating with the pump inlet 121. The water outlet assembly 13 has a water outlet 133, a drinking water inlet 131 and a domestic water inlet 132, the drinking water inlet 131 and the water outlet 133 can be communicated and separated, and the domestic water inlet 132 and the first water outlet 133 can be communicated and separated; the drinking water inlet 131 is communicated with the first water outlet 112, and the domestic water inlet 132 is communicated with the first waste water inlet 113. The first check valve 15a is disposed in the first branch P1The first check valve 15a flows from the first waste water port 113 to the pump inlet 121. The first flow limiting valve 14a is disposed in the first branch P1The first flow restriction valve 14a has a flow restriction function (atIn the restricted state, the flow rate is small, and may be 5% to 80% in the fully open state, and more preferably, the flow rate may be 10% to 30% in the fully open state). The fluid monitoring assembly 16 is disposed on the flow path between the first water outlet 112 and the drinking water inlet 131; the fluid monitoring assembly 16 is electrically connected to the booster pump 12, and the booster pump 12 operates when the fluid monitoring assembly 16 is activated.
The invention provides a reverse osmosis wastewater backflow system matched with a mechanical faucet, wherein wastewater flows back to a first reverse osmosis filter element 11a through a pipeline, is mixed with tap water and then enters the reverse osmosis filter element again for secondary filtration. The method can greatly reduce the discharge of waste water while ensuring the performance and the service life of the first reverse osmosis filter element 11 a; simultaneously, the wastewater is connected with the domestic water outlet assembly 13b, and the wastewater discharge is completed when the domestic water outlet assembly 13b is opened, and the wastewater is secondarily utilized, so that the requirements of ecological environment protection are met.
When the user opens the domestic water outlet assembly 13b, the tap water with lower ion concentration can replace the waste water with high ion concentration accumulated at the waste water side of the reverse osmosis filter element, and the problem of the first cup of water is effectively solved. Moreover, as the domestic water flow is large, when passing through the reverse osmosis filter element, the water can flush the pollutants such as scale and organic matters deposited on the side surface of the wastewater of the reverse osmosis filter element (the first reverse osmosis filter element 11a and/or the second reverse osmosis filter element 11b), so that the scaling risk of the reverse osmosis filter element is reduced, and the service life of the reverse osmosis filter element is prolonged; meanwhile, the process can flush the wastewater backflow waterway and the flow limiting valves (the first flow limiting valve 14a and/or the second flow limiting valve 14b), so that the risk of blockage of the flow limiting valves due to scaling is reduced, and the service life of the reverse osmosis filter element is further prolonged; when the domestic water outlet assembly 13b is opened, the waste water generated and accumulated in the water production process can be discharged through the domestic water outlet assembly 13b for domestic water use, and the waste water utilization is realized in the true sense.
Referring to the table I, the data at the end of investigation show that after the reverse osmosis wastewater backflow waterway system is continuously operated for 15min, the TDS of the effluent is no longer obviously increased (the TDS of the raw water is 140ppm), and after the reverse osmosis wastewater backflow waterway system is continuously operated for 30min, the TDS of the effluent is 46ppm, which still meets the drinking water standard.
Table-wastewater recirculation system operating data
Besides the wastewater of the first reverse osmosis filter element 11a flowing back to the first reverse osmosis filter element 11a through the first branch P1, the wastewater of the first reverse osmosis filter element 11a is connected with the water outlet assembly 13 by the waterway system, the domestic water outlet assembly 13b is opened by a user to complete the flushing of the reverse osmosis filter element and the first branch P1, the wastewater is discharged for the life of the user, the secondary utilization of the wastewater is completed, and the requirement of ecological environmental protection is met.
The first embodiment is as follows: please refer to fig. 1. The play water subassembly 13 that adopts in this waste water return-flow system is two faucets of mechanical type, and reverse osmosis waste water return-flow waterway system includes: the reverse osmosis water purifier comprises a first reverse osmosis filter element 11a, a booster pump 12, a water outlet assembly 13, a first one-way valve 15a, a fluid monitoring assembly 16, a first flow limiting valve 14a and a fluid monitoring assembly 16.
The first reverse osmosis cartridge 11a has a first water inlet 111, a first water outlet 112 and a first waste water outlet 113. The booster pump 12 has a pump inlet 121 and a pump outlet 122, the pump inlet 121 is for communicating with a water source, the pump outlet 122 is in communication with the first water inlet 111, and the first waste water inlet 113 is through a first branch P1Communicating with the pump inlet 121. The water outlet assembly 13 is provided with a water outlet 133, a drinking water inlet 131 and a domestic water inlet 132, the drinking water inlet 131 and the water outlet 133 can be communicated and separated, and the domestic water inlet 132 and the water outlet 133 can be communicated and separated; the drinking water inlet 131 is communicated with the first water outlet 112, and the domestic water inlet 132 is communicated with the first waste water inlet 113. The first check valve 15a is disposed in the first branch P1The first check valve 15a flows from the first waste water port 113 to the pump inlet 121. The first flow limiting valve 14a is disposed in the first branch P1The first flow restriction valve 14a has a flow restriction function (in a flow restriction state, the flow rate is small, and may be 5% to 80% in a fully open state, and preferably, the flow rate may be 10% to 30% in the fully open state). The fluid monitoring assembly 16 is disposed on the flow path between the first water outlet 112 and the drinking water inlet 131; the fluid monitoring assembly 16 and the booster pump 12 are electrically connectedAnd (c) an operation of the booster pump 12 when the fluid monitoring assembly 16 monitors the flow of water from the first water outlet 112 to the drinking water inlet 131.
The fluid monitoring assembly 16 may be a flow meter, a combination of a check valve and a high pressure switch, or a single high pressure switch. When the water flow pressure on the flow path between the first water outlet 112 and the drinking water inlet 131 is greater than or equal to the rated pressure value of the fluid monitoring assembly 16, the booster pump 12 stops operating; when the water flow pressure on the flow path between the first water outlet 112 and the drinking water inlet 131 is smaller than the rated pressure value of the fluid monitoring assembly 16, the booster pump 12 is activated.
The combination of the one-way valve and the high-voltage switch can avoid frequent starting: when the drinking water inlet 131 and the outlet 133 are blocked, water is confined between the check valve and the drinking water inlet 131, the water pressure is maintained stable, and the high pressure switch receives a stable pressure signal and maintains an off state.
The user turns on the drinking water tap (the drinking water inlet 131 is communicated with the water outlet 133): the fluid monitoring component 16 detects the pressure change, starts the booster pump 12 and starts water production; after tap water flows into the first reverse osmosis filter element 11a, the tap water is divided into a path of pure water and a path of wastewater, the pure water is discharged by a drinking water faucet for drinking, the wastewater is mixed with the tap water before flowing back to the booster pump 12 through the first flow limiting valve 14a and then enters the first reverse osmosis filter element 11a again for filtration, and zero discharge of the wastewater is realized.
The user turns on the life tap (the life water inlet 132 is communicated with the water outlet 133): tap water enters the first reverse osmosis filter element 11a through the booster pump 12 (the pump is not started at this time) and then flows out of the first waste water port 113 in two ways, one way is high in flow rate and is directly discharged through a domestic water faucet, the other way flows back to the booster pump 12 through the first flow limiting valve 14a (flow limiting is achieved, the flow rate is small), the tap water is mixed with the tap water and then enters the first reverse osmosis filter element 11a again, and the waste water side of the first reverse osmosis filter element 11a is washed. Namely, when a user opens the life faucet, tap water with lower ion concentration can replace the waste water with high ion concentration accumulated at the waste water side of the first reverse osmosis filter element 11a, and the problem of the first cup of water is effectively solved. Moreover, as the domestic water flow is large, when passing through the first reverse osmosis filter element 11a, the water passes through the first reverse osmosis filter element 11a, pollutants such as scale and organic matters deposited on the side surface of the wastewater of the first reverse osmosis filter element 11a can be washed away, the scaling risk of the first reverse osmosis filter element 11a is reduced, and the service life of the first reverse osmosis filter element 11a is prolonged; meanwhile, the process can flush the wastewater backflow waterway and the first flow limiting valve 14a, the risk that the first flow limiting valve 14a is blocked due to scaling is reduced, and the service life of the first reverse osmosis filter element 11a is further prolonged. When the domestic faucet is opened, the waste water generated and accumulated in the water production process can be discharged through the domestic faucet for domestic water use, and the waste water utilization is realized in the true sense.
Example two: please refer to fig. 2. In this embodiment, a front filter element 17a is added to the front end of the booster pump 12, the type of the front filter element 17a may be PP with different forms, activated carbon with different forms, ultrafiltration, nanofiltration, or a composite filter element of the above materials, and the water flow rate of the front filter element 17a is less than 8L/min.
The user turns on the drinking water tap (the drinking water inlet 131 is communicated with the water outlet 133): the fluid monitoring component 16 detects the pressure change, starts the booster pump 12 and starts water production; tap water is roughly filtered by the preposed filter element 17a and then flows into the first reverse osmosis filter element 11a, and then is divided into a path of pure water and a path of waste water, the pure water is discharged by a drinking water faucet for drinking, the waste water flows back to the front of the booster pump 12 through the first flow limiting valve 14a and is mixed with the water discharged by the preposed filter element 17a to enter the first reverse osmosis filter element 11a again for secondary filtration, and zero discharge of the waste water is realized.
The user turns on the life tap (the life water inlet 132 is communicated with the water outlet 133): tap water enters the first reverse osmosis filter element 11a through the booster pump 12 (the pump is not started at this time) and then flows out of the first waste water port 113 in two ways, one way is high in flow rate and is directly discharged through a domestic water faucet, the other way flows back to the booster pump 12 through the first flow limiting valve 14a (flow limiting is achieved, the flow rate is small), the tap water is mixed with the tap water and then enters the first reverse osmosis filter element 11a again, and the waste water side of the first reverse osmosis filter element 11a is washed. Namely, when a user opens the life faucet, tap water with lower ion concentration can replace the waste water with high ion concentration accumulated at the waste water side of the first reverse osmosis filter element 11a, and the problem of the first cup of water is effectively solved. Moreover, as the domestic water flow is large, when passing through the first reverse osmosis filter element 11a, the water passes through the first reverse osmosis filter element 11a, pollutants such as scale and organic matters deposited on the side surface of the wastewater of the first reverse osmosis filter element 11a can be washed away, the scaling risk of the first reverse osmosis filter element 11a is reduced, and the service life of the first reverse osmosis filter element 11a is prolonged; meanwhile, the process can flush the wastewater backflow waterway and the first flow limiting valve 14a, the risk that the first flow limiting valve 14a is blocked due to scaling is reduced, and the service life of the first reverse osmosis filter element 11a is further prolonged. When the domestic faucet is opened, the waste water generated and accumulated in the water production process can be discharged through the domestic faucet for domestic water use, and the waste water utilization is realized in the true sense.
Example three: please refer to fig. 3. In this embodiment, based on the first embodiment, a post-filter 17b is added to the pure water outlet pipe of the first reverse osmosis filter element 11a before the fluid monitoring assembly 16, and the type of the post-filter 17b can be different forms of activated carbon.
The user turns on the drinking water tap (the drinking water inlet 131 is communicated with the water outlet 133): the fluid monitoring component 16 detects the pressure change, starts the booster pump 12 and starts water production; tap water is divided into a path of pure water and a path of waste water after flowing into the first reverse osmosis filter element 11a, the pure water is discharged by a drinking water faucet for drinking after passing through the post-positioned filter element 17b, and the waste water is mixed with the tap water before flowing back to the booster pump 12 through the first flow limiting valve 14a and then enters the first reverse osmosis filter element 11a again for filtration, so that zero discharge of the waste water is realized.
The user turns on the life tap (the life water inlet 132 is communicated with the water outlet 133): tap water enters the first reverse osmosis filter element 11a through the booster pump 12 (the pump is not started at this time) and then flows out of the first waste water port 113 in two ways, one way is high in flow rate and is directly discharged through a domestic water faucet, the other way flows back to the booster pump 12 through the first flow limiting valve 14a (flow limiting is achieved, the flow rate is small), the tap water is mixed with the tap water and then enters the first reverse osmosis filter element 11a again, and the waste water side of the first reverse osmosis filter element 11a is washed. Namely, when a user opens the life faucet, tap water with lower ion concentration can replace the waste water with high ion concentration accumulated at the waste water side of the first reverse osmosis filter element 11a, and the problem of the first cup of water is effectively solved. Moreover, as the domestic water flow is large, when passing through the first reverse osmosis filter element 11a, the water passes through the first reverse osmosis filter element 11a, pollutants such as scale and organic matters deposited on the side surface of the wastewater of the first reverse osmosis filter element 11a can be washed away, the scaling risk of the first reverse osmosis filter element 11a is reduced, and the service life of the first reverse osmosis filter element 11a is prolonged; meanwhile, the process can flush the wastewater backflow waterway and the first flow limiting valve 14a, the risk that the first flow limiting valve 14a is blocked due to scaling is reduced, and the service life of the first reverse osmosis filter element 11a is further prolonged. When the domestic faucet is opened, the waste water generated and accumulated in the water production process can be discharged through the domestic faucet for domestic water use, and the waste water utilization is realized in the true sense.
Example four: please refer to fig. 4. In this embodiment, on the basis of the first embodiment, a front filter element 17a is added at the front end of the booster pump 12, and a rear filter element 17b is added on the pure water outlet pipeline of the first reverse osmosis filter element 11a and in front of the fluid monitoring assembly 16; the type of the preposed filter element 17a can be PP with different forms, active carbon with different forms, ultrafiltration, nanofiltration, composite filter elements made of the materials and the like, and the water outlet flow of the preposed filter element 17a is less than 8L/min; the kind of the post-filter 17b may be activated carbon of different forms.
The user turns on the drinking water tap (the drinking water inlet 131 is communicated with the water outlet 133): the fluid monitoring component 16 detects the pressure change, starts the booster pump 12 and starts water production; tap water is coarsely filtered by the front filter element 17a and then flows into the first reverse osmosis filter element 11a, and then is divided into a path of pure water and a path of wastewater, the pure water is discharged by a drinking water faucet for drinking after passing through the rear filter element 17b, and the wastewater flows back to the front of the booster pump 12 through the first flow limiting valve 14a and is mixed with the water discharged by the front filter element 17a to enter the first reverse osmosis filter element 11a again for secondary filtration, so that zero discharge of the wastewater is realized.
The user turns on the life tap (the life water inlet 132 is communicated with the water outlet 133): tap water enters the first reverse osmosis filter element 11a through the booster pump 12 (the pump is not started at this time) and then flows out of the first waste water port 113 in two ways, one way is high in flow rate and is directly discharged through a domestic water faucet, the other way flows back to the booster pump 12 through the first flow limiting valve 14a (flow limiting is achieved, the flow rate is small), the tap water is mixed with the tap water and then enters the first reverse osmosis filter element 11a again, and the waste water side of the first reverse osmosis filter element 11a is washed. Namely, when a user opens the life faucet, tap water with lower ion concentration can replace the waste water with high ion concentration accumulated at the waste water side of the first reverse osmosis filter element 11a, and the problem of the first cup of water is effectively solved. Moreover, as the domestic water flow is large, when passing through the first reverse osmosis filter element 11a, the water passes through the first reverse osmosis filter element 11a, pollutants such as scale and organic matters deposited on the side surface of the wastewater of the first reverse osmosis filter element 11a can be washed away, the scaling risk of the first reverse osmosis filter element 11a is reduced, and the service life of the first reverse osmosis filter element 11a is prolonged; meanwhile, the process can flush the wastewater backflow waterway and the first flow limiting valve 14a, the risk that the first flow limiting valve 14a is blocked due to scaling is reduced, and the service life of the first reverse osmosis filter element 11a is further prolonged. When the domestic faucet is opened, the waste water generated and accumulated in the water production process can be discharged through the domestic faucet for domestic water use, and the waste water utilization is realized in the true sense.
Example five: please refer to fig. 5. In this embodiment, a second reverse osmosis filter element 11b is added on the basis of the first embodiment, and the second reverse osmosis filter element 11b is arranged on the first branch P1In addition, the second reverse osmosis cartridge 11b has a second water inlet 114, a second water outlet 115 and a second waste water inlet 116, the second water inlet 114 is communicated with the first waste water inlet 113, the second waste water inlet 116 is communicated with the domestic water inlet 132, and the second water outlet 115 is communicated with the drinking water inlet 131 via the fluid monitoring assembly 16.
The user turns on the drinking water tap (the drinking water inlet 131 is communicated with the water outlet 133): the fluid monitoring component 16 detects the pressure change, starts the booster pump 12 and starts water production; tap water flows into the first reverse osmosis filter element 11a, and then divides into pure water and waste water all the way, and pure water flows to the drinking water inlet 131, and waste water flows into the second reverse osmosis filter element 11b and divides into pure water and waste water all the way after secondary filtration, and pure water flows to the drinking water inlet 131 and joins with the pure water that flows out by the first delivery port 112, and via the drinking water tap discharge confession drinking, waste water mixes with the tap water and gets into first reverse osmosis filter element 11a again and filter before flowing back to the booster pump 12 through first restriction valve 14a, realizes the zero release of waste water.
The user turns on the life tap (the life water inlet 132 is communicated with the water outlet 133): tap water enters the first reverse osmosis filter element 11a through the booster pump 12 (the pump is not started at the moment) and then flows out of the first waste water port 113, enters the second reverse osmosis filter element 11b and then flows out of the second waste water port 116 in two paths, one path of the tap water directly flows out through the domestic water faucet, the other path of the tap water flows back to the booster pump 12 through the first flow limiting valve 14a (with flow limitation and small flow), and then the tap water is mixed with the tap water and then enters the first reverse osmosis filter element 11a and the second reverse osmosis filter element 11b again to flush the waste water sides of the two reverse osmosis filter elements. Namely, when a user opens the life faucet, tap water with lower ion concentration can replace waste water with high ion concentration accumulated at the waste water side of the first reverse osmosis filter element 11a and the second reverse osmosis filter element 11b, and the problem of first cup of water is effectively solved. And because the domestic water flow is large, when passing through the two reverse osmosis filter elements, pollutants such as scale and organic matters deposited on the side surfaces of the wastewater of the two reverse osmosis filter elements can be washed away, the scaling risk of the two reverse osmosis filter elements is reduced, and the service lives of the two reverse osmosis filter elements are prolonged; meanwhile, the process can flush the wastewater backflow waterway and the first flow limiting valve 14a, the risk that the first flow limiting valve 14a is blocked due to scaling is reduced, and the service lives of the two reverse osmosis filter elements are further prolonged. When the domestic faucet is opened, the waste water generated and accumulated in the water production process can be discharged through the domestic faucet for domestic water use, and the waste water utilization is realized in the true sense.
Example six: please refer to fig. 6. In this embodiment, a front filter element 17a is added to the front end of the booster pump 12, the type of the front filter element 17a may be PP with different forms, activated carbon with different forms, ultrafiltration, nanofiltration, or a composite filter element of the above materials, and the water outlet flow rate of the front filter element 17a is less than 8L/min.
The user turns on the drinking water tap (the drinking water inlet 131 is communicated with the water outlet 133): the fluid monitoring component 16 detects the pressure change, starts the booster pump 12 and starts water production; tap water flows into the first reverse osmosis filter element 11a after being roughly filtered by the front filter element 17a, and then is divided into one path of pure water and one path of wastewater, the pure water flows to the drinking water inlet 131, the wastewater flows into the second reverse osmosis filter element 11b and is divided into one path of pure water and one path of wastewater after being secondarily filtered, the pure water flows to the drinking water inlet 131 and is converged with the pure water flowing out from the first water outlet 112, the pure water is discharged through the drinking water faucet for drinking, the wastewater flows back to the booster pump 12 through the first flow limiting valve 14a and then is mixed with the water flowing out from the front filter element 17a to enter the first reverse osmosis filter element 11a again for secondary filtration, and zero discharge of the wastewater is realized.
The user turns on the life tap (the life water inlet 132 is communicated with the water outlet 133): tap water enters the first reverse osmosis filter element 11a through the booster pump 12 (the pump is not started at the moment) and then flows out of the first waste water port 113, enters the second reverse osmosis filter element 11b and then flows out of the second waste water port 116 in two paths, one path of the tap water directly flows out through the domestic water faucet, the other path of the tap water flows back to the booster pump 12 through the first flow limiting valve 14a (with flow limitation and small flow), and then the tap water is mixed with the tap water and then enters the first reverse osmosis filter element 11a and the second reverse osmosis filter element 11b again to flush the waste water sides of the two reverse osmosis filter elements. Namely, when a user opens the life faucet, tap water with lower ion concentration can replace waste water with high ion concentration accumulated at the waste water side of the first reverse osmosis filter element 11a and the second reverse osmosis filter element 11b, and the problem of first cup of water is effectively solved. And because the domestic water flow is large, when passing through the two reverse osmosis filter elements, pollutants such as scale and organic matters deposited on the side surfaces of the wastewater of the two reverse osmosis filter elements can be washed away, the scaling risk of the two reverse osmosis filter elements is reduced, and the service lives of the two reverse osmosis filter elements are prolonged; meanwhile, the process can flush the wastewater backflow waterway and the first flow limiting valve 14a, the risk that the first flow limiting valve 14a is blocked due to scaling is reduced, and the service lives of the two reverse osmosis filter elements are further prolonged. When the domestic faucet is opened, the waste water generated and accumulated in the water production process can be discharged through the domestic faucet for domestic water use, and the waste water utilization is realized in the true sense.
Example seven: please refer to fig. 7. In this embodiment, based on the fifth embodiment, a post-filter 17b is added to the pure water outlet pipes of the first and second reverse osmosis filter elements 11a and 11b before the fluid monitoring assembly 16, and the type of the post-filter 17b may be different forms of activated carbon.
The user turns on the drinking water tap (the drinking water inlet 131 is communicated with the water outlet 133): the fluid monitoring component 16 detects the pressure change, starts the booster pump 12 and starts water production; tap water flows into the first reverse osmosis filter element 11a, and then is divided into a path of pure water and a path of wastewater, the pure water flows to the drinking water inlet 131, the wastewater flows into the second reverse osmosis filter element 11b and is divided into a path of pure water and a path of wastewater after secondary filtration, the pure water flows to the drinking water inlet 131 and is converged with the pure water flowing out from the first water outlet 112, the pure water is discharged by the drinking water faucet for drinking after passing through the post-positioned filter element 17b, the wastewater is mixed with the tap water before flowing back to the booster pump 12 through the first flow limiting valve 14a and then enters the first reverse osmosis filter element 11a again for secondary filtration, and zero discharge of the wastewater is realized.
The user turns on the life tap (the life water inlet 132 is communicated with the water outlet 133): tap water enters the first reverse osmosis filter element 11a through the booster pump 12 (the pump is not started at the moment) and then flows out of the first waste water port 113, enters the second reverse osmosis filter element 11b and then flows out of the second waste water port 116 in two paths, one path of the tap water directly flows out through the domestic water faucet, the other path of the tap water flows back to the booster pump 12 through the first flow limiting valve 14a (with flow limitation and small flow), and then the tap water is mixed with the tap water and then enters the first reverse osmosis filter element 11a and the second reverse osmosis filter element 11b again to flush the waste water sides of the two reverse osmosis filter elements. Namely, when a user opens the life faucet, tap water with lower ion concentration can replace waste water with high ion concentration accumulated at the waste water side of the first reverse osmosis filter element 11a and the second reverse osmosis filter element 11b, and the problem of first cup of water is effectively solved. And because the domestic water flow is large, when passing through the two reverse osmosis filter elements, pollutants such as scale and organic matters deposited on the side surfaces of the wastewater of the two reverse osmosis filter elements can be washed away, the scaling risk of the two reverse osmosis filter elements is reduced, and the service lives of the two reverse osmosis filter elements are prolonged; meanwhile, the process can flush the wastewater backflow waterway and the first flow limiting valve 14a, the risk that the first flow limiting valve 14a is blocked due to scaling is reduced, and the service lives of the two reverse osmosis filter elements are further prolonged. When the domestic faucet is opened, the waste water generated and accumulated in the water production process can be discharged through the domestic faucet for domestic water use, and the waste water utilization is realized in the true sense.
Example eight: please refer to fig. 8. In this embodiment, on the basis of the fifth embodiment, a front filter element 17a is added at the front end of the booster pump 12, and a rear filter element 17b is added on the pure water outlet pipes of the first reverse osmosis filter element 11a and the second reverse osmosis filter element 11b and in front of the fluid monitoring assembly 16; the type of the preposed filter element 17a can be PP with different forms, active carbon with different forms, ultrafiltration, nanofiltration, composite filter elements made of the materials and the like, and the water outlet flow of the preposed filter element 17a is less than 8L/min; the kind of the post-filter 17b may be activated carbon of different forms.
The user turns on the drinking water tap (the drinking water inlet 131 is communicated with the water outlet 133): the fluid monitoring component 16 detects the pressure change, starts the booster pump 12 and starts water production; tap water is roughly filtered by the front filter element 17a and then flows into the first reverse osmosis filter element 11a, and then is divided into one path of pure water and one path of wastewater, the pure water flows to the drinking water inlet 131, the wastewater flows into the second reverse osmosis filter element 11b and then is divided into one path of pure water and one path of wastewater after secondary filtration, the pure water flows to the drinking water inlet 131 and is converged with the pure water flowing out from the first water outlet 112, the pure water is discharged by the drinking water faucet for drinking after passing through the rear filter element 17b, the wastewater flows back to the booster pump 12 through the first flow limiting valve 14a and then is mixed with the water discharged from the front filter element 17a and enters the first reverse osmosis filter element 11a again for secondary filtration, and zero discharge of the wastewater is realized.
The user turns on the life tap (the life water inlet 132 is communicated with the water outlet 133): tap water enters the first reverse osmosis filter element 11a through the booster pump 12 and then flows out of the first waste water port 113, enters the second reverse osmosis filter element 11b and then flows out of the second waste water port 116 in two paths, one path of the tap water is directly discharged through a domestic water faucet, the other path of the tap water flows back to the booster pump 12 through the first flow limiting valve 14a (with flow limiting and small flow), and then enters the first reverse osmosis filter element 11a and the second reverse osmosis filter element 11b again to flush the waste water sides of the two reverse osmosis filter elements after being mixed with the tap water. Namely, when a user opens the life faucet, tap water with lower ion concentration can replace waste water with high ion concentration accumulated at the waste water side of the first reverse osmosis filter element 11a and the second reverse osmosis filter element 11b, and the problem of first cup of water is effectively solved. And because the domestic water flow is large, when passing through the two reverse osmosis filter elements, pollutants such as scale and organic matters deposited on the side surfaces of the wastewater of the two reverse osmosis filter elements can be washed away, the scaling risk of the two reverse osmosis filter elements is reduced, and the service lives of the two reverse osmosis filter elements are prolonged; meanwhile, the process can flush the wastewater backflow waterway and the first flow limiting valve 14a, the risk that the first flow limiting valve 14a is blocked due to scaling is reduced, and the service lives of the two reverse osmosis filter elements are further prolonged. When the domestic faucet is opened, the waste water generated and accumulated in the water production process can be discharged through the domestic faucet for domestic water use, and the waste water utilization is realized in the true sense.
Example nine: please refer to fig. 9. In this embodiment, a second reverse osmosis filter element 11b is added on the basis of the first embodiment, and is connected with the first reverse osmosis filter element 11a in parallel. The second reverse osmosis filter element 11b has a second water inlet 114, a second water outlet 115 and a second waste water outlet 116, the second water inlet 114 is communicated with the pump outlet 122, the second waste water outlet 116 passes through a second branch P2In communication with the pump inlet 121, a second branch P2The second flow limiting valve 14b and the second check valve 15c are arranged, the flow direction of the second check valve 15c flows from the second waste water inlet 116 to the pump inlet 121, the second flow limiting valve 14b has a flow limiting effect (in a flow limiting state, the flow is small, the flow can be 5% -80% in a fully open state, and preferably, the flow can be 10% -30% in the fully open state), and the second water outlet 115 is communicated with the drinking water inlet 131 through the second check valve 15 c.
The user turns on the drinking water tap (the drinking water inlet 131 is communicated with the water outlet 133): the fluid monitoring component 16 detects the pressure change, starts the booster pump 12 and starts water production; running water respectively enters the two reverse osmosis filter elements, and after filtration, pure water pipelines of the two filter elements are converged and discharged through a drinking water faucet for drinking; the wastewater flows back to the booster pump 12 through the first flow limiting valve 14a and the second flow limiting valve 14b, is mixed with tap water and then enters the two reverse osmosis filter elements again for secondary filtration, and zero discharge of the wastewater is realized.
The user turns on the life tap (the life water inlet 132 is communicated with the water outlet 133): running water respectively enters the two reverse osmosis filter elements after passing through the booster pump 12 and then respectively flows out of the waste water ports of the two reverse osmosis filter elements in two paths, one path is converged with a large flow rate and then directly discharged through a domestic faucet, and the other path passes through a first flow limiting valve 14a and a second flow limiting valve 14b (both of which have flow limiting and have small flow rate) and flows back to the booster pump 12, and then is mixed with the running water and then enters the two reverse osmosis filter elements again to flush the waste water sides of the two reverse osmosis filter elements. Namely, it isWhen a user opens the domestic faucet, tap water with lower ion concentration can replace waste water with high ion concentration accumulated on the waste water side of the two reverse osmosis filter elements, so that the problem of the first cup of water is effectively solved; and because the domestic water flow is large, when passing through the two reverse osmosis filter elements, pollutants such as scale and organic matters deposited on the side surfaces of the wastewater of the two reverse osmosis filter elements can be washed away, the scaling risk of the two reverse osmosis filter elements is reduced, and the service lives of the two reverse osmosis filter elements are prolonged; while the process can be applied to two branches (first branch P)1And a second branch P2) And the two flow limiting valves (the first flow limiting valve 14a and the second flow limiting valve 14b) are flushed, so that the risk of blockage of the two flow limiting valves due to scaling is reduced, and the service lives of the two reverse osmosis filter elements are further prolonged. When the domestic faucet is opened, the waste water generated and accumulated in the water production process can be discharged through the domestic faucet for domestic water use, and the waste water utilization is realized in the true sense.
For this embodiment, it should be noted that, since the flow limiting valve and the check valve are respectively disposed on the first branch P1 and the second branch P2, an adjustment effect is achieved, so that the wastewater recovery rates of the two reverse osmosis filter elements are greatly improved, and the flux of the two reverse osmosis filter elements is greater than 2 times that of a single reverse osmosis filter element under the combined action.
Example ten: please refer to fig. 10. In this embodiment, on the basis of the ninth embodiment, a pre-filter 17a is added to the front end of the booster pump 12; the type of the preposed filter element 17a can be PP with different forms, active carbon with different forms, ultrafiltration, nanofiltration, composite filter elements made of the materials and the like, and the water outlet flow of the preposed filter element 17a is less than 8L/min.
The user turns on the drinking water tap (the drinking water inlet 131 is communicated with the water outlet 133): the fluid monitoring component 16 detects the pressure change, starts the booster pump 12 and starts water production; the tap water is coarsely filtered by the preposed filter element 17a, then respectively enters the two reverse osmosis filter elements, is converged after being filtered, and is discharged by the drinking faucet for drinking; and the wastewater flows back to the front part of the booster pump 12 through the first flow limiting valve 14a and the second flow limiting valve 14b, is mixed with the effluent of the front filter element 17a, and then enters the two reverse osmosis filter elements again for secondary filtration, so that zero discharge of the wastewater is realized.
User' sOpen life tap (life water inlet 132 and outlet 133 are connected): running water respectively enters the two reverse osmosis filter elements after passing through the booster pump 12 and then respectively flows out of the waste water ports of the two reverse osmosis filter elements in two paths, one path is converged with a large flow rate and then directly discharged through a domestic faucet, and the other path passes through a first flow limiting valve 14a and a second flow limiting valve 14b (both of which have flow limiting and have small flow rate) and flows back to the booster pump 12, and then is mixed with the running water and then enters the two reverse osmosis filter elements again to flush the waste water sides of the two reverse osmosis filter elements. When a user opens the domestic faucet, tap water with lower ion concentration can replace waste water with high ion concentration accumulated on the waste water side of the two reverse osmosis filter elements, so that the problem of the first cup of water is effectively solved; and because the domestic water flow is large, when passing through the two reverse osmosis filter elements, pollutants such as scale and organic matters deposited on the side surfaces of the wastewater of the two reverse osmosis filter elements can be washed away, the scaling risk of the two reverse osmosis filter elements is reduced, and the service lives of the two reverse osmosis filter elements are prolonged; while the process can be applied to two branches (first branch P)1And a second branch P2) And the two flow limiting valves (the first flow limiting valve 14a and the second flow limiting valve 14b) are flushed, so that the risk of blockage of the two flow limiting valves due to scaling is reduced, and the service lives of the two reverse osmosis filter elements are further prolonged. When the domestic faucet is opened, the waste water generated and accumulated in the water production process can be discharged through the domestic faucet for domestic water use, and the waste water utilization is realized in the true sense.
Example eleven: please refer to fig. 11. In this embodiment, on the basis of the ninth embodiment, a post-filter element 17b is added to the pure water outlet merging pipeline of the first reverse osmosis filter element 11a and the second reverse osmosis filter element 11b before the fluid monitoring assembly 16; the kind of the post-filter 17b may be activated carbon of different forms.
The user turns on the drinking water tap (the drinking water inlet 131 is communicated with the water outlet 133): the fluid monitoring component 16 detects the pressure change, starts the booster pump 12 and starts water production; running water respectively enters the two reverse osmosis filter elements, is filtered and then is converged, and is discharged by the drinking water faucet for drinking after passing through the post-filter element 17 b; the wastewater flows back to the booster pump 12 through the first flow limiting valve 14a and the second flow limiting valve 14b, is mixed with tap water and then enters the two reverse osmosis filter elements again for secondary filtration, and zero discharge of the wastewater is realized.
The user turns on the life tap (the life water inlet 132 is communicated with the water outlet 133): running water respectively enters the two reverse osmosis filter elements after passing through the booster pump 12 and then respectively flows out of the waste water ports of the two reverse osmosis filter elements in two paths, one path is converged with a large flow rate and then directly discharged through a domestic faucet, and the other path passes through a first flow limiting valve 14a and a second flow limiting valve 14b (both of which have flow limiting and have small flow rate) and flows back to the booster pump 12, and then is mixed with the running water and then enters the two reverse osmosis filter elements again to flush the waste water sides of the two reverse osmosis filter elements. When a user opens the domestic faucet, tap water with lower ion concentration can replace waste water with high ion concentration accumulated on the waste water side of the two reverse osmosis filter elements, so that the problem of the first cup of water is effectively solved; and because the domestic water flow is large, when passing through the two reverse osmosis filter elements, pollutants such as scale and organic matters deposited on the side surfaces of the wastewater of the two reverse osmosis filter elements can be washed away, the scaling risk of the two reverse osmosis filter elements is reduced, and the service lives of the two reverse osmosis filter elements are prolonged; while the process can be applied to two branches (first branch P)1And a second branch P2) And the two flow limiting valves (the first flow limiting valve 14a and the second flow limiting valve 14b) are flushed, so that the risk of blockage of the two flow limiting valves due to scaling is reduced, and the service lives of the two reverse osmosis filter elements are further prolonged. When the domestic faucet is opened, the waste water generated and accumulated in the water production process can be discharged through the domestic faucet for domestic water use, and the waste water utilization is realized in the true sense.
Example twelve: please refer to fig. 12. In this embodiment, on the basis of the ninth embodiment, a front filter element 17a is added at the front end of the booster pump 12, and a rear filter element 17b is added on the pure water outlet merging pipeline of the first reverse osmosis filter element 11a and the second reverse osmosis filter element 11b and in front of the fluid monitoring assembly 16; the type of the preposed filter element 17a can be PP with different forms, active carbon with different forms, ultrafiltration, nanofiltration, composite filter elements made of the materials and the like, and the water outlet flow of the preposed filter element 17a is less than 8L/min; the kind of the post-filter 17b may be activated carbon of different forms.
The user turns on the drinking water tap (the drinking water inlet 131 is communicated with the water outlet 133): the fluid monitoring component 16 detects the pressure change, starts the booster pump 12 and starts water production; tap water is coarsely filtered by the preposed filter element 17a, then respectively enters the two reverse osmosis filter elements, is converged after being filtered, and then is discharged by the drinking water faucet for drinking after passing through the postposition filter element 17 b; and the wastewater flows back to the front part of the booster pump 12 through the first flow limiting valve 14a and the second flow limiting valve 14b, is mixed with the effluent of the front filter element 17a, and then enters the two reverse osmosis filter elements again for secondary filtration, so that zero discharge of the wastewater is realized.
The user turns on the life tap (the life water inlet 132 is communicated with the water outlet 133): running water respectively enters the two reverse osmosis filter elements after passing through the booster pump 12 and then respectively flows out of the waste water ports of the two reverse osmosis filter elements in two paths, one path is converged with a large flow rate and then directly discharged through a domestic faucet, and the other path passes through a first flow limiting valve 14a and a second flow limiting valve 14b (both of which have flow limiting and have small flow rate) and flows back to the booster pump 12, and then is mixed with the running water and then enters the two reverse osmosis filter elements again to flush the waste water sides of the two reverse osmosis filter elements. When a user opens the domestic faucet, tap water with lower ion concentration can replace waste water with high ion concentration accumulated on the waste water side of the two reverse osmosis filter elements, so that the problem of the first cup of water is effectively solved; and because the domestic water flow is large, when passing through the two reverse osmosis filter elements, pollutants such as scale and organic matters deposited on the side surfaces of the wastewater of the two reverse osmosis filter elements can be washed away, the scaling risk of the two reverse osmosis filter elements is reduced, and the service lives of the two reverse osmosis filter elements are prolonged; while the process can be applied to two branches (first branch P)1And a second branch P2) And the two flow limiting valves (the first flow limiting valve 14a and the second flow limiting valve 14b) are flushed, so that the risk of blockage of the two flow limiting valves due to scaling is reduced, and the service lives of the two reverse osmosis filter elements are further prolonged. When the domestic faucet is opened, the waste water generated and accumulated in the water production process can be discharged through the domestic faucet for domestic water use, and the waste water utilization is realized in the true sense.
Example thirteen: please refer to fig. 13. On the basis of the first embodiment, the integrated water outlet assembly 13 is replaced by a split water outlet assembly 13, in the wastewater backflow system, the water outlet assembly 13 includes a drinking water outlet assembly 13a and a domestic water outlet assembly 13b which are independent of each other, the drinking water outlet assembly 13a has a drinking water inlet 131, the domestic water outlet assembly 13b has a domestic water inlet 132, and the water outlet 133 includes a drinking water outlet 131a disposed on the drinking water outlet assembly 13a and a domestic water outlet 131b disposed on the domestic water outlet assembly 13 b.
The first water outlet 112 is connected with the head end of the drinking water faucet, and a fluid monitoring assembly 16 is additionally arranged on a pipeline; the water from the first waste water inlet 113 is divided into two paths, one path flows back to the front of the booster pump 12 through the first flow limiting valve 14a, and the other path is directly connected with the domestic water inlet 132. First branch P1The first flow restriction valve 14a is a valve body having a flow restriction function (in a flow restriction state, the flow rate is small, and the flow rate may be 5% to 80% in a fully open state, and preferably, the flow rate may be 10% to 30% in the fully open state).
The user turns on the drinking water outlet assembly 13a (the drinking water inlet 131 is communicated with the drinking water outlet 131 a): the fluid monitoring component 16 detects the pressure change, starts the booster pump 12 and starts water production; after tap water flows into the first reverse osmosis filter element 11a, the tap water is divided into a path of pure water and a path of wastewater, the pure water is discharged from the drinking water outlet 131a for drinking, and the wastewater is mixed with the tap water before flowing back to the booster pump 12 through the first flow limiting valve 14a and then enters the first reverse osmosis filter element 11a again for filtration, so that zero discharge of the wastewater is realized.
The user turns on the domestic water outlet assembly 13b (the domestic water inlet 132 is communicated with the domestic water outlet 131 b): tap water enters the first reverse osmosis filter element 11a through the booster pump 12 (the pump is not started) and then flows out of the first waste water outlet 113 in two ways, one way is high in flow rate and is directly discharged through the domestic water outlet 131b, and the other way is returned to the booster pump 12 through the first flow limiting valve 14a (flow limiting and low in flow rate) and then enters the first reverse osmosis filter element 11a again to flush the waste water side of the first reverse osmosis filter element after being mixed with the tap water. Namely, when a user opens the domestic water outlet assembly 13b, tap water with lower ion concentration can replace the waste water with high ion concentration accumulated at the waste water side of the first reverse osmosis filter element 11a, so that the problem of the first cup of water is effectively solved; and because the flow of tap water is larger, when the tap water passes through the first reverse osmosis filter element 11a, scale, organic matters and the like deposited on the side surface of the waste water of the first reverse osmosis filter element 11a can be washedThe pollutant reduces the scaling risk of the first reverse osmosis filter element 11a and prolongs the service life of the first reverse osmosis filter element 11 a. While the process can be applied to the first branch P1And the first flow limiting valve 14a is flushed, so that the risk of blockage of the first flow limiting valve 14a due to scaling is reduced, and the service life of the first reverse osmosis filter element 11a is further prolonged. When the domestic water outlet assembly 13b is opened, the waste water generated and accumulated in the water production process can be discharged through the domestic water outlet assembly 13b for domestic water use, and the waste water utilization is realized in the true sense.
Example fourteen: please refer to fig. 14. In the embodiment, on the basis of the thirteenth embodiment, a large-flux front-mounted filter element 17a is added at the front end of the booster pump 12, the type of the front-mounted filter element 17a can be PP in different forms, activated carbon in different forms, ultrafiltration, nanofiltration, composite filter elements made of the above materials and the like, the large-flux specification is adopted, the water outlet flow of the front-mounted filter element 17a is not less than 8L/min, and kitchen water is not limited and is equal to tap water.
The user turns on the drinking water outlet assembly 13a (the drinking water inlet 131 is communicated with the drinking water outlet 131 a): the fluid monitoring component 16 detects the pressure change, starts the booster pump 12 and starts water production; tap water is roughly filtered by the large-flux preposed filter element 17a and flows into the first reverse osmosis filter element 11a, then is divided into a path of pure water and a path of wastewater, the pure water is discharged by the drinking water outlet assembly 13a for drinking, the wastewater flows back to the booster pump 12 through the first flow limiting valve 14a and is mixed with the outlet water of the large-flux preposed filter element 17a to enter the first reverse osmosis filter element 11a again for secondary filtration, and zero discharge of the wastewater is realized.
The user turns on the domestic water outlet assembly 13b (the domestic water inlet 132 is communicated with the domestic water outlet 131 b): tap water enters the first reverse osmosis filter element 11a through the booster pump 12 (the pump is not started) and then flows out of the first waste water outlet 113 in two ways, one way is high in flow rate and is directly discharged through the domestic water outlet 131b, and the other way is returned to the booster pump 12 through the first flow limiting valve 14a (flow limiting and low in flow rate) and then enters the first reverse osmosis filter element 11a again to flush the waste water side of the first reverse osmosis filter element after being mixed with the tap water. That is, when the user opens the live water outlet unit 13b, the tap water having a relatively low ion concentration can replace the waste water having a high ion concentration accumulated on the waste water side of the first reverse osmosis filter element 11aWater, the problem of the first cup of water is effectively solved; and because the flow of running water is great, when passing through first reverse osmosis filter core 11a, can wash away pollutants such as the sedimentary incrustation scale of first reverse osmosis filter core 11a waste water side surface, organic matter, reduce the scale deposit risk of first reverse osmosis filter core 11a, prolong the life of first reverse osmosis filter core 11 a. While the process can be applied to the first branch P1And the first flow limiting valve 14a is flushed, so that the risk of blockage of the first flow limiting valve 14a due to scaling is reduced, and the service life of the first reverse osmosis filter element 11a is further prolonged. When the domestic water outlet assembly 13b is opened, the waste water generated and accumulated in the water production process can be discharged through the domestic water outlet assembly 13b for domestic water use, and the waste water utilization is realized in the true sense.
Example fifteen: please refer to fig. 15. This embodiment is based on the thirteenth embodiment, and a post-filter 17b is added to the pure water outlet pipe of the first reverse osmosis filter 11a before the fluid monitoring assembly 16, and the type of the post-filter 17b can be different forms of activated carbon.
The user turns on the drinking water outlet assembly 13a (the drinking water inlet 131 is communicated with the drinking water outlet 131 a): the fluid monitoring component 16 detects the pressure change, starts the booster pump 12 and starts water production; tap water is divided into a path of pure water and a path of wastewater after flowing into the first reverse osmosis filter element 11a, the pure water is discharged by the drinking water outlet assembly 13a for drinking after passing through the post-positioned filter element 17b, and the wastewater is mixed with the tap water before flowing back to the booster pump 12 through the first flow limiting valve 14a and then enters the first reverse osmosis filter element 11a again for filtration, so that zero discharge of the wastewater is realized.
The user turns on the domestic water outlet assembly 13b (the domestic water inlet 132 is communicated with the domestic water outlet 131 b): tap water enters the first reverse osmosis filter element 11a through the booster pump 12 (the pump is not started) and then flows out of the first waste water outlet 113 in two ways, one way is high in flow rate and is directly discharged through the domestic water outlet 131b, and the other way is returned to the booster pump 12 through the first flow limiting valve 14a (flow limiting and low in flow rate) and then enters the first reverse osmosis filter element 11a again to flush the waste water side of the first reverse osmosis filter element after being mixed with the tap water. That is, when the user opens the live water outlet unit 13b, the tap water having a low ion concentration can replace the ions accumulated on the waste water side of the first reverse osmosis filter element 11aThe problem of the first cup of water is effectively solved by the high-concentration wastewater; and because the flow of running water is great, when passing through first reverse osmosis filter core 11a, can wash away pollutants such as the sedimentary incrustation scale of first reverse osmosis filter core 11a waste water side surface, organic matter, reduce the scale deposit risk of first reverse osmosis filter core 11a, prolong the life of first reverse osmosis filter core 11 a. While the process can be applied to the first branch P1And the first flow limiting valve 14a is flushed, so that the risk of blockage of the first flow limiting valve 14a due to scaling is reduced, and the service life of the first reverse osmosis filter element 11a is further prolonged. When the domestic water outlet assembly 13b is opened, the waste water generated and accumulated in the water production process can be discharged through the domestic water outlet assembly 13b for domestic water use, and the waste water utilization is realized in the true sense.
Example sixteen: please refer to fig. 16. In this embodiment, based on the thirteenth embodiment, a large-flux pre-filter 17a is added to the front end of the booster pump 12, and a post-filter 17b is added downstream of the first water outlet 112 and before the fluid monitoring assembly 16; the types of the preposed filter element 17a can be PP with different forms, active carbon with different forms, ultrafiltration, nanofiltration, composite filter elements made of the materials and the like, the large-flux specification is adopted, the water outlet flow of the preposed filter element 17a is more than or equal to 8L/min, and the kitchen water is not limited and is equal to tap water; the kind of the post-filter 17b may be activated carbon of different forms.
The user turns on the drinking water outlet assembly 13a (the drinking water inlet 131 is communicated with the drinking water outlet 131 a): the fluid monitoring component 16 detects the pressure change, starts the booster pump 12 and starts water production; tap water is roughly filtered by the large-flux preposed filter element 17a and flows into the first reverse osmosis filter element 11a, then is divided into a path of pure water and a path of wastewater, the pure water is discharged by the drinking water outlet component 13a for drinking after passing through the postposition filter element 17b, the wastewater flows back to the booster pump 12 through the first flow limiting valve 14a and is mixed with the water discharged by the large-flux preposed filter element 17a to enter the first reverse osmosis filter element 11a again for secondary filtration, and zero discharge of the wastewater is realized.
The user turns on the domestic water outlet assembly 13b (the domestic water inlet 132 is communicated with the domestic water outlet 131 b): the tap water enters the first reverse osmosis filter element 11a through the booster pump 12 (the pump is not started) and then flows out of the first wastewater outlet 113 in two ways, wherein one way isThe large flow is directly discharged through the domestic water outlet 131b, and the other path of the domestic water flows back to the booster pump 12 through the first flow limiting valve 14a (with flow limitation and small flow), is mixed with tap water and then enters the first reverse osmosis filter element 11a again to flush the wastewater side of the first reverse osmosis filter element. Namely, when a user opens the domestic water outlet assembly 13b, tap water with lower ion concentration can replace the waste water with high ion concentration accumulated at the waste water side of the first reverse osmosis filter element 11a, so that the problem of the first cup of water is effectively solved; and because the flow of running water is great, when passing through first reverse osmosis filter core 11a, can wash away pollutants such as the sedimentary incrustation scale of first reverse osmosis filter core 11a waste water side surface, organic matter, reduce the scale deposit risk of first reverse osmosis filter core 11a, prolong the life of first reverse osmosis filter core 11 a. While the process can be applied to the first branch P1And the first flow limiting valve 14a is flushed, so that the risk of blockage of the first flow limiting valve 14a due to scaling is reduced, and the service life of the first reverse osmosis filter element 11a is further prolonged. When the domestic water outlet assembly 13b is opened, the waste water generated and accumulated in the water production process can be discharged through the domestic water outlet assembly 13b for domestic water use, and the waste water utilization is realized in the true sense.
Example seventeen: please refer to fig. 17. This embodiment adds a second reverse osmosis cartridge 11b to the thirteenth embodiment. The second reverse osmosis filter element 11b is arranged on the first branch P1In addition, the second reverse osmosis cartridge 11b has a second water inlet 114, a second water outlet 115 and a second waste water inlet 116, the second water inlet 114 is communicated with the first waste water inlet 113, the second waste water inlet 116 is communicated with the domestic water inlet 132, and the second water outlet 115 is communicated with the drinking water inlet 131 via the fluid monitoring assembly 16.
The user turns on the drinking water outlet assembly 13a (the drinking water inlet 131 is communicated with the drinking water outlet 131 a): the fluid monitoring component 16 detects the pressure change, starts the booster pump 12 and starts water production; after the tap water flows into the first reverse osmosis filter element 11a, divide pure water and waste water all the way, pure water flows to the fluid monitoring assembly 16, waste water flows into the second reverse osmosis filter element 11b and divides pure water and waste water all the way after secondary filtration, pure water flows to the fluid monitoring assembly 16 and joins with the pure water flowing out via the first water outlet 112, the pure water is discharged for drinking via the drinking water outlet assembly 13a, waste water is mixed with the tap water and re-enters the first reverse osmosis filter element 11a for secondary filtration before flowing back to the booster pump 12 through the second waste water outlet 116, and zero discharge of waste water is realized.
The user turns on the domestic water outlet assembly 13b (the domestic water inlet 132 is communicated with the domestic water outlet 131 b): tap water enters the first reverse osmosis filter element 11a through the booster pump 12, flows out of the first waste water inlet 113, enters the second reverse osmosis filter element 11b, then flows out of the second waste water inlet 116 in two paths, one path of the tap water is directly discharged through the domestic water outlet 131b in a large flow rate, the other path of the tap water flows back to the booster pump 12 through the first flow limiting valve 14a (with flow limitation and small flow rate), then is mixed with the tap water and then enters the first reverse osmosis filter element 11a and the second reverse osmosis filter element 11b again, and the waste water sides of the two reverse osmosis filter elements are washed. Namely, when a user opens the domestic water outlet assembly 13b, tap water with lower ion concentration can replace the wastewater with high ion concentration accumulated at the wastewater side of the first reverse osmosis filter element 11a and the second reverse osmosis filter element 11b, so that the problem of the first cup of water is effectively solved; moreover, as the domestic water flow is large, when passing through the first reverse osmosis filter element 11a and the second reverse osmosis filter element 11b, pollutants such as scale, organic matters and the like deposited on the side surfaces of the wastewater of the two reverse osmosis filter elements can be washed away, the scaling risk of the two reverse osmosis filter elements is reduced, and the service lives of the two reverse osmosis filter elements are prolonged; while the process can be applied to the first branch P1And the first flow limiting valve 14a is flushed, so that the risk of blockage of the first flow limiting valve 14a due to scaling is reduced, and the service lives of the two reverse osmosis filter elements are further prolonged. The user opens domestic water play water assembly 13b, and the waste water that produces, accumulates in the system water process can discharge through domestic water play water assembly 13b, realizes waste water utilization in the true sense.
Example eighteen: please refer to fig. 18. In the embodiment, on the basis of seventeenth embodiment, a large-flux front-mounted filter element 17a is added at the front end of the booster pump 12, the types of the front-mounted filter element 17a can be PP in different forms, activated carbon in different forms, ultrafiltration, nanofiltration, composite filter elements made of the above materials and the like, the large-flux specification is adopted, the water outlet flow of the front-mounted filter element 17a is not less than 8L/min, and kitchen water is not limited and is equal to tap water.
The user turns on the drinking water outlet assembly 13a (the drinking water inlet 131 is communicated with the drinking water outlet 131 a): the fluid monitoring component 16 detects the pressure change, starts the booster pump 12 and starts water production; tap water flows into the first reverse osmosis filter element 11a after being roughly filtered by the large-flux preposed filter element 17a, and then is divided into one path of pure water and one path of wastewater, the pure water flows to the fluid monitoring component 16, the wastewater flows into the second reverse osmosis filter element 11b, and is divided into one path of pure water and one path of wastewater after being secondarily filtered, the pure water flows to the fluid monitoring component 16 and is converged with water flow flowing through the first water outlet 112, the pure water is discharged through the drinking water outlet component 13a for drinking, the wastewater flows back to the front of the pump through the first flow limiting valve 14a and is mixed with the outlet water of the large-flux preposed filter element 17a to enter the first reverse osmosis filter element 11a again for secondary filtration, and zero discharge of the wastewater is realized.
The user turns on the domestic water outlet assembly 13b (the domestic water inlet 132 is communicated with the domestic water outlet 131 b): tap water enters the first reverse osmosis filter element 11a through the booster pump 12, flows out of the first waste water inlet 113, enters the second reverse osmosis filter element 11b, then flows out of the second waste water inlet 116 in two paths, one path of the tap water is large in flow rate and directly discharged through the domestic water outlet assembly 13b, the other path of the tap water flows back to the booster pump 12 through the first flow limiting valve 14a (with flow limiting and small in flow rate), is mixed with the tap water and then enters the first reverse osmosis filter element 11a and the second reverse osmosis filter element 11b again, and the waste water sides of the two reverse osmosis filter elements are washed. Namely, when a user opens the domestic water outlet assembly 13b, tap water with lower ion concentration can replace the wastewater with high ion concentration accumulated at the wastewater side of the first reverse osmosis filter element 11a and the second reverse osmosis filter element 11b, so that the problem of the first cup of water is effectively solved; moreover, as the domestic water flow is large, when passing through the first reverse osmosis filter element 11a and the second reverse osmosis filter element 11b, pollutants such as scale, organic matters and the like deposited on the side surfaces of the wastewater of the two reverse osmosis filter elements can be washed away, the scaling risk of the two reverse osmosis filter elements is reduced, and the service lives of the two reverse osmosis filter elements are prolonged; while the process can be applied to the first branch P1And the first flow limiting valve 14a is flushed, so that the risk of blockage of the first flow limiting valve 14a due to scaling is reduced, and the service lives of the two reverse osmosis filter elements are further prolonged. The user opens domestic water play water assembly 13b, and the waste water that produces, accumulates in the system water process can discharge through domestic water play water assembly 13b, realizes waste water utilization in the true sense.
Example nineteenth: please refer to fig. 19. This embodiment is based on the seventeenth embodiment, a post-filter 17b is added to the pure water outlet pipes of the first and second reverse osmosis filter elements 11a and 11b before the fluid monitoring assembly 16, and the type of the post-filter 17b can be different forms of activated carbon.
The user turns on the drinking water outlet assembly 13a (the drinking water inlet 131 is communicated with the drinking water outlet 131 a): the fluid monitoring component 16 detects the pressure change, starts the booster pump 12 and starts water production; after tap water flows into the first reverse osmosis filter element 11a, pure water and waste water are separated into one path, the pure water flows to the fluid monitoring assembly 16, the waste water flows into the second reverse osmosis filter element 11b and is filtered for the second time, the pure water flows to the fluid monitoring assembly 16 and is converged with water flowing out from the first water outlet 112, the pure water is discharged by the drinking water outlet assembly 13a for drinking after passing through the rear filter element 17b, the waste water is mixed with the tap water before flowing back to the booster pump 12 through the first flow limiting valve 14a and enters the first reverse osmosis filter element 11a again for secondary filtration, and zero discharge of the waste water is realized.
The user turns on the domestic water outlet assembly 13b (the domestic water inlet 132 is communicated with the domestic water outlet 131 b): tap water enters the first reverse osmosis filter element 11a through the booster pump 12, flows out of the first waste water inlet 113, enters the second reverse osmosis filter element 11b, then flows out of the second waste water inlet 116 in two paths, one path of the tap water is large in flow rate and directly discharged through the domestic water outlet assembly 13b, the other path of the tap water flows back to the booster pump 12 through the first flow limiting valve 14a (with flow limiting and small in flow rate), is mixed with the tap water and then enters the first reverse osmosis filter element 11a and the second reverse osmosis filter element 11b again, and the waste water sides of the two reverse osmosis filter elements are washed. Namely, when a user opens the domestic water outlet assembly 13b, tap water with lower ion concentration can replace the wastewater with high ion concentration accumulated at the wastewater side of the first reverse osmosis filter element 11a and the second reverse osmosis filter element 11b, so that the problem of the first cup of water is effectively solved; and because the domestic water flow is larger, when passing through the first reverse osmosis filter element 11a and the second reverse osmosis filter element 11b, the domestic water flow can wash away pollutants such as incrustation scale, organic matters and the like deposited on the side surfaces of the wastewater of the two reverse osmosis filter elements, reduce the scaling risk of the two reverse osmosis filter elements and prolong the service life of the two reverse osmosis filter elementsThe service life is prolonged; while the process can be applied to the first branch P1And the first flow limiting valve 14a is flushed, so that the risk of blockage of the first flow limiting valve 14a due to scaling is reduced, and the service lives of the two reverse osmosis filter elements are further prolonged. The user opens domestic water play water assembly 13b, and the waste water that produces, accumulates in the system water process can discharge through domestic water play water assembly 13b, realizes waste water utilization in the true sense.
Example twenty: please refer to fig. 20. In this embodiment, on the basis of the seventeenth embodiment, a large-flux pre-filter 17a is added at the front end of the booster pump 12, and a post-filter 17b is added on the pure water outlet pipe of the two reverse osmosis filter elements and in front of the one-way valve and the fluid monitoring assembly 16. The types of the preposed filter element 17a can be PP with different forms, active carbon with different forms, ultrafiltration, nanofiltration, composite filter elements made of the materials and the like, the large-flux specification is adopted, the water outlet flow of the preposed filter element 17a is more than or equal to 8L/min, and the kitchen water is not limited and is equal to tap water; the kind of the post-filter 17b may be activated carbon of different forms.
The user turns on the drinking water outlet assembly 13a (the drinking water inlet 131 is communicated with the drinking water outlet 131 a): the fluid monitoring component 16 detects the pressure change, starts the booster pump 12 and starts water production; tap water is roughly filtered by the preposed filter element 17a and flows into the first reverse osmosis filter element 11a, and then is divided into one path of pure water and one path of wastewater, the pure water flows to the fluid monitoring component 16, the wastewater flows into the second reverse osmosis filter element 11b and is divided into one path of pure water and one path of wastewater after secondary filtration, the pure water flows to the fluid monitoring component 16 and is converged with the pure water flowing out from the first water outlet 112, the pure water is discharged by the drinking water outlet component 13a for drinking after passing through the postposition filter element 17b, the wastewater flows back to the front of the pump through the first flow limiting valve 14a and is mixed with the water flowing out from the large-flux preposed filter element 17a to enter the first reverse osmosis filter element 11a again for secondary filtration, and zero discharge of the wastewater is realized.
The user turns on the domestic water outlet assembly 13b (the domestic water inlet 132 is communicated with the domestic water outlet 131 b): after entering the first reverse osmosis filter element 11a through the booster pump 12, the tap water flows out from the first waste water port 113 to enter the second reverse osmosis filter element 11b, and then flows out from the second waste water port 116 in two paths, wherein one path of large flow is directly discharged through the domestic water outlet assembly 13bAnd the other path of the wastewater flows back to the booster pump 12 through a first flow limiting valve 14a (with flow limitation and small flow rate), is mixed with tap water and then enters the first reverse osmosis filter element 11a and the second reverse osmosis filter element 11b again, and the wastewater sides of the two reverse osmosis filter elements are washed. Namely, when a user opens the domestic water outlet assembly 13b, tap water with lower ion concentration can replace the wastewater with high ion concentration accumulated at the wastewater side of the first reverse osmosis filter element 11a and the second reverse osmosis filter element 11b, so that the problem of the first cup of water is effectively solved; moreover, as the domestic water flow is large, when passing through the first reverse osmosis filter element 11a and the second reverse osmosis filter element 11b, pollutants such as scale, organic matters and the like deposited on the side surfaces of the wastewater of the two reverse osmosis filter elements can be washed away, the scaling risk of the two reverse osmosis filter elements is reduced, and the service lives of the two reverse osmosis filter elements are prolonged; while the process can be applied to the first branch P1And the first flow limiting valve 14a is flushed, so that the risk of blockage of the first flow limiting valve 14a due to scaling is reduced, and the service lives of the two reverse osmosis filter elements are further prolonged. The user opens domestic water play water assembly 13b, and the waste water that produces, accumulates in the system water process can discharge through domestic water play water assembly 13b, realizes waste water utilization in the true sense.
Example twenty one: please refer to fig. 21. In this embodiment, a second reverse osmosis filter element 11b is added on the basis of the thirteenth embodiment, and the second reverse osmosis filter element 11b is connected in parallel with the first reverse osmosis filter element 11 a. The second reverse osmosis filter element 11b has a second water inlet 114, a second water outlet 115 and a second waste water outlet 116, the second water inlet 114 is communicated with the pump outlet 122, the second waste water outlet 116 passes through a second branch P2In communication with the pump inlet 121, a second branch P2The second flow limiting valve 14b and the second check valve 15c are arranged, the flow direction of the second check valve 15c flows from the second waste water inlet 116 to the pump inlet 121, the second flow limiting valve 14b has a flow limiting effect (in a flow limiting state, the flow is small, the flow can be 5% -80% in a fully open state, and preferably, the flow can be 10% -30% in the fully open state), and the second water outlet 115 is communicated with the drinking water inlet 131 through the second check valve 15 c.
The user turns on the drinking water outlet assembly 13a (the drinking water inlet 131 is communicated with the drinking water outlet 131 a): the fluid monitoring component 16 detects the pressure change, starts the booster pump 12 and starts water production; running water respectively enters the two reverse osmosis filter elements, is converged after being filtered and is discharged from the drinking water outlet assembly 13a for drinking; the wastewater flows back to the booster pump 12 through the first flow limiting valve 14a and the second flow limiting valve 14b, is mixed with tap water and then enters the two reverse osmosis filter elements again for secondary filtration, and zero discharge of the wastewater is realized.
The user turns on the domestic water outlet assembly 13b (the domestic water inlet 132 is communicated with the domestic water outlet 131 b): tap water respectively enters a first reverse osmosis filter element 11a and a second reverse osmosis filter element 11b after passing through a booster pump 12 and then respectively flows out of two paths of waste water sides of the two reverse osmosis filter elements, one path of the tap water is converged in a large flow rate and then directly discharged through a domestic water outlet assembly 13b, and the other path of the tap water flows back to the booster pump 12 through a first flow limiting valve 14a and a second flow limiting valve 14b (with flow limiting and small flow rate) and then is mixed with the tap water and then enters the two reverse osmosis filter elements again to flush the waste water sides; namely, when a user opens the domestic water outlet assembly 13b, tap water with lower ion concentration can replace waste water with high ion concentration accumulated at the waste water side of the two reverse osmosis filter elements, so that the problem of first cup of water is effectively solved; and because the domestic water flow is large, when passing through the two reverse osmosis filter elements, pollutants such as scale and organic matters deposited on the side surfaces of the wastewater of the two reverse osmosis filter elements can be washed away, the scaling risk of the two reverse osmosis filter elements is reduced, and the service lives of the two reverse osmosis filter elements are prolonged; while the process can be applied to the first branch P1A second branch P2The first flow limiting valve 14a and the second flow limiting valve 14b are flushed, the risk that the two flow limiting valves are blocked due to scaling is reduced, and the service lives of the two reverse osmosis filter elements are further prolonged. When the domestic water outlet assembly 13b is opened, the waste water generated and accumulated in the water making process can be discharged through the domestic water outlet assembly 13b, so that the waste water utilization is realized in the true sense.
Example twenty two: please refer to fig. 22. In this embodiment, on the basis of twenty-one, a large-flux pre-filter 17a is added at the front end of the booster pump 12; the types of the preposed filter element 17a can be PP with different forms, active carbon with different forms, ultrafiltration, nanofiltration, composite filter elements made of the materials and the like, all adopt large-flux specifications, the water outlet flow of the preposed filter element 17a is more than or equal to 8L/min, the kitchen water is not limited, and the kitchen water is equivalent to tap water.
The user turns on the drinking water outlet assembly 13a (the drinking water inlet 131 is communicated with the drinking water outlet 131 a): the fluid monitoring component 16 detects the pressure change, starts the booster pump 12 and starts water production; tap water is coarsely filtered by the preposed filter element 17a, then respectively enters the two reverse osmosis filter elements, is converged after being filtered, and is discharged by the drinking water outlet assembly 13a for drinking; and the wastewater flows back to the front of the booster pump 12 through the first flow limiting valve 14a and the second flow limiting valve 14b and is mixed with the water discharged from the large-flux preposed filter element 17a, and then enters the two reverse osmosis filter elements for secondary filtration, so that zero discharge of the wastewater is realized.
The user turns on the domestic water outlet assembly 13b (the domestic water inlet 132 is communicated with the domestic water outlet 131 b): tap water respectively enters a first reverse osmosis filter element 11a and a second reverse osmosis filter element 11b after passing through a booster pump 12 and then respectively flows out of two paths of waste water sides of the two reverse osmosis filter elements, one path of the tap water is converged in a large flow rate and then directly discharged through a domestic water outlet assembly 13b, and the other path of the tap water flows back to the booster pump 12 through a first flow limiting valve 14a and a second flow limiting valve 14b (with flow limiting and small flow rate) and then is mixed with the tap water and then enters the two reverse osmosis filter elements again to flush the waste water sides; namely, when a user opens the domestic water outlet assembly 13b, tap water with lower ion concentration can replace waste water with high ion concentration accumulated at the waste water side of the two reverse osmosis filter elements, so that the problem of first cup of water is effectively solved; and because the domestic water flow is large, when passing through the two reverse osmosis filter elements, pollutants such as scale and organic matters deposited on the side surfaces of the wastewater of the two reverse osmosis filter elements can be washed away, the scaling risk of the two reverse osmosis filter elements is reduced, and the service lives of the two reverse osmosis filter elements are prolonged; while the process can be applied to the first branch P1A second branch P2The first flow limiting valve 14a and the second flow limiting valve 14b are flushed, the risk that the two flow limiting valves are blocked due to scaling is reduced, and the service lives of the two reverse osmosis filter elements are further prolonged. When the domestic water outlet assembly 13b is opened, the waste water generated and accumulated in the water making process can be discharged through the domestic water outlet assembly 13b, so that the waste water utilization is realized in the true sense.
Example twenty three: please refer to fig. 23. In the embodiment, on the basis of twenty one, a post-filter element 17b is added on a pure water outlet converging pipeline of two reverse osmosis filter elements and in front of a fluid monitoring assembly 16; the kind of the post-filter 17b may be activated carbon of different forms.
The user turns on the drinking water outlet assembly 13a (the drinking water inlet 131 is communicated with the drinking water outlet 131 a): the fluid monitoring component 16 detects the pressure change, starts the booster pump 12 and starts water production; running water respectively enters the two reverse osmosis filter elements, is filtered and then is converged, and is discharged by the drinking water outlet assembly 13a for drinking after passing through the post-filter element 17 b; the wastewater flows back to the booster pump 12 through the first flow limiting valve 14a and the second flow limiting valve 14b, is mixed with tap water and then enters the two reverse osmosis filter elements again for secondary filtration, and zero discharge of the wastewater is realized.
The user turns on the domestic water outlet assembly 13b (the domestic water inlet 132 is communicated with the domestic water outlet 131 b): tap water respectively enters a first reverse osmosis filter element 11a and a second reverse osmosis filter element 11b after passing through a booster pump 12 and then respectively flows out of two paths of waste water sides of the two reverse osmosis filter elements, one path of the tap water is converged in a large flow rate and then directly discharged through a domestic water outlet assembly 13b, and the other path of the tap water flows back to the booster pump 12 through a first flow limiting valve 14a and a second flow limiting valve 14b (with flow limiting and small flow rate) and then is mixed with the tap water and then enters the two reverse osmosis filter elements again to flush the waste water sides; namely, when a user opens the domestic water outlet assembly 13b, tap water with lower ion concentration can replace waste water with high ion concentration accumulated at the waste water side of the two reverse osmosis filter elements, so that the problem of first cup of water is effectively solved; and because the domestic water flow is large, when passing through the two reverse osmosis filter elements, pollutants such as scale and organic matters deposited on the side surfaces of the wastewater of the two reverse osmosis filter elements can be washed away, the scaling risk of the two reverse osmosis filter elements is reduced, and the service lives of the two reverse osmosis filter elements are prolonged; while the process can be applied to the first branch P1A second branch P2The first flow limiting valve 14a and the second flow limiting valve 14b are flushed, the risk that the two flow limiting valves are blocked due to scaling is reduced, and the service lives of the two reverse osmosis filter elements are further prolonged. When the domestic water outlet assembly 13b is opened, the waste water generated and accumulated in the water making process can be discharged through the domestic water outlet assembly 13b, so that the waste water utilization is realized in the true sense.
Example twenty-four: please refer to fig. 24. In the embodiment, on the basis of twenty one, a large-flux prepositive filter element 17a is added at the front end of the booster pump 12, and a postpositive filter element 17b is added on a pure water outlet water converging pipeline of two reverse osmosis filter elements and in front of the fluid monitoring assembly 16; the types of the preposed filter element 17a can be PP with different forms, active carbon with different forms, ultrafiltration, nanofiltration, composite filter elements made of the materials and the like, the large-flux specification is adopted, the water outlet flow of the preposed filter element 17a is more than or equal to 8L/min, and the kitchen water is not limited and is equal to tap water; the kind of the post-filter 17b may be activated carbon of different forms.
The user turns on the drinking water outlet assembly 13a (the drinking water inlet 131 is communicated with the drinking water outlet 131 a): the fluid monitoring component 16 detects the pressure change, starts the booster pump 12 and starts water production; tap water is coarsely filtered by the preposed filter element 17a and then respectively enters the two reverse osmosis filter elements, pure water pipelines of the two filter elements are converged after the filtration, and the tap water is discharged by the drinking water outlet assembly 13a for drinking after passing through the postposition filter element 17 b; and the wastewater flows back to the front of the booster pump 12 through the first flow limiting valve 14a and the second flow limiting valve 14b and is mixed with the water discharged from the large-flux preposed filter element 17a, and then enters the two reverse osmosis filter elements for secondary filtration, so that zero discharge of the wastewater is realized.
The user turns on the domestic water outlet assembly 13b (the domestic water inlet 132 is communicated with the domestic water outlet 131 b): tap water respectively enters a first reverse osmosis filter element 11a and a second reverse osmosis filter element 11b after passing through a booster pump 12 and then respectively flows out of two paths of waste water sides of the two reverse osmosis filter elements, one path of the tap water is converged in a large flow rate and then directly discharged through a domestic water outlet assembly 13b, and the other path of the tap water flows back to the booster pump 12 through a first flow limiting valve 14a and a second flow limiting valve 14b (with flow limiting and small flow rate) and then is mixed with the tap water and then enters the two reverse osmosis filter elements again to flush the waste water sides; namely, when a user opens the domestic water outlet assembly 13b, tap water with lower ion concentration can replace waste water with high ion concentration accumulated at the waste water side of the two reverse osmosis filter elements, so that the problem of first cup of water is effectively solved; and because the domestic water flow is larger, when passing through the two reverse osmosis filter elements, the water purifier can wash out the pollutants such as incrustation scale, organic matters and the like deposited on the side surfaces of the wastewater of the two reverse osmosis filter elements, thereby reducing the scaling risk of the two reverse osmosis filter elementsThe service life of the two reverse osmosis filter elements is prolonged; while the process can be applied to the first branch P1A second branch P2The first flow limiting valve 14a and the second flow limiting valve 14b are flushed, the risk that the two flow limiting valves are blocked due to scaling is reduced, and the service lives of the two reverse osmosis filter elements are further prolonged. When the domestic water outlet assembly 13b is opened, the waste water generated and accumulated in the water making process can be discharged through the domestic water outlet assembly 13b, so that the waste water utilization is realized in the true sense.
To facilitate the control of the inflow, it is possible, on the basis of the above-described embodiment, to provide upstream of the pre-filter 17a or in the flow path of the pump inlet 121 and the first branch P1A water inlet valve is arranged between the intersection and the preposed filter element 17a, and the water inlet valve is a valve body with a full-open or full-close function.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (17)
1. A reverse osmosis wastewater return waterway system, comprising:
a first reverse osmosis filter element having a first water inlet, a first water outlet, and a first waste water outlet;
the booster pump is provided with a pump inlet and a pump outlet, the pump inlet is communicated with a water source, the pump outlet is communicated with the first water inlet, and the first wastewater port is communicated with the pump inlet through a first branch;
the water outlet assembly is provided with a water outlet, a drinking water inlet and a domestic water inlet, the drinking water inlet and the water outlet can be communicated and separated, and the domestic water inlet and the water outlet can be communicated and separated; the drinking water inlet is communicated with the first water outlet, and the domestic water inlet is communicated with the first wastewater outlet;
the first check valve is arranged on the first branch, and the flow direction of the first check valve flows from the first waste water port to the pump inlet;
the first current limiting valve is arranged on the first branch and has a current limiting function;
a fluid monitoring assembly disposed on a flow path between the first water outlet and the potable water inlet; the fluid monitoring assembly is electrically connected with the booster pump and controls the booster pump to start or stop by monitoring the change of water pressure.
2. The reverse osmosis wastewater return waterway system of claim 1, wherein the booster pump stops operating when a water flow pressure on a flow path between the first water outlet and the potable water inlet is greater than or equal to a rated pressure value of the fluid monitoring assembly; and when the water flow pressure on the flow path between the first water outlet and the drinking water inlet is smaller than the rated pressure value of the fluid monitoring assembly, the booster pump is started.
3. The reverse osmosis wastewater return waterway system of claim 1, wherein the outlet assembly comprises a drinking water outlet assembly and a domestic water outlet assembly that are independent of each other, the drinking water outlet assembly having the drinking water inlet, the domestic water outlet assembly having the domestic water inlet, and the drain outlet comprising a drinking water outlet provided in the drinking water outlet assembly and a domestic water outlet provided in the domestic water outlet assembly.
4. The reverse osmosis wastewater return waterway system of claim 1, further comprising a second reverse osmosis filter element disposed on the first branch, the second reverse osmosis filter element having a second water inlet in communication with the first wastewater inlet, a second water outlet in communication with the sanitary water inlet, and a second wastewater outlet in communication with the potable water inlet via the fluid monitoring assembly.
5. The reverse osmosis wastewater return waterway system of any one of claims 4, wherein the outlet assembly comprises a drinking water outlet assembly and a domestic water outlet assembly which are independent of each other, the drinking water outlet assembly has the drinking water inlet, the domestic water outlet assembly has the domestic water inlet, and the water outlet comprises a drinking water outlet provided at the drinking water outlet assembly and a domestic water outlet provided at the domestic water outlet assembly.
6. The reverse osmosis wastewater return waterway system of claim 1, further comprising a second reverse osmosis filter element having a second water inlet, a second water outlet, and a second wastewater outlet, the second water inlet communicating with the pump outlet, the second wastewater outlet communicating with the pump inlet through a second branch, the second branch having a second flow restriction valve and a second one-way valve disposed thereon, the second one-way valve having a flow restriction effect and flowing from the second wastewater outlet to the pump inlet, the second flow restriction valve having a flow restriction effect, the second water outlet communicating with the potable water inlet through the fluid monitoring assembly.
7. The reverse osmosis wastewater return waterway system of claim 6, wherein the outlet assembly comprises a drinking water outlet assembly and a domestic water outlet assembly that are independent of each other, the drinking water outlet assembly having the drinking water inlet, the domestic water outlet assembly having the domestic water inlet, and the drain outlet comprising a drinking water outlet provided at the drinking water outlet assembly and a domestic water outlet provided at the domestic water outlet assembly.
8. The reverse osmosis wastewater return waterway system of claim 3, 5, or 7, further comprising a pre-filter disposed upstream of the booster pump, wherein a water yield of the pre-filter is greater than or equal to 8L/min.
9. The reverse osmosis wastewater return waterway system of claim 8, wherein a water inlet valve is disposed between the pre-filter element and a location upstream of the pre-filter element or where the pump inlet is located at a junction of the flow path and the first branch.
10. The reverse osmosis wastewater return waterway system of claim 8, further comprising a post-filter element disposed in the flow path between the first reverse osmosis filter element and the fluid monitoring assembly.
11. The reverse osmosis wastewater return waterway system of claim 10, wherein the pre-filter element is a PP filter element, an activated carbon filter element, an ultrafiltration filter element or a nanofiltration filter element; the post-positioned filter element is an activated carbon filter element.
12. The reverse osmosis wastewater return waterway system of claim 1, 4, or 6, further comprising a pre-filter disposed upstream of the booster pump, wherein a water yield of the pre-filter is less than 8L/min.
13. The reverse osmosis wastewater return waterway system of claim 12, wherein a water inlet valve is disposed between the pre-filter element and a location upstream of the pre-filter element or where the pump inlet is located at a junction of the flow path and the first branch.
14. The reverse osmosis wastewater return waterway system of claim 12, further comprising a post-filter element disposed in the flow path between the first reverse osmosis filter element and the fluid monitoring assembly.
15. The reverse osmosis wastewater return waterway system of claim 14, wherein the pre-filter element is a PP filter element, an activated carbon filter element, an ultrafiltration filter element or a nanofiltration filter element; the post-positioned filter element is an activated carbon filter element.
16. The reverse osmosis wastewater return waterway system of any one of claims 1-7, further comprising a post-filter element disposed in the flow path between the first reverse osmosis filter element and the fluid monitoring assembly.
17. A water purifier comprising the reverse osmosis wastewater return waterway system according to any one of claims 1 to 16.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111649724.5A CN114262027A (en) | 2021-12-29 | 2021-12-29 | Reverse osmosis wastewater backflow waterway system and water purifier |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111649724.5A CN114262027A (en) | 2021-12-29 | 2021-12-29 | Reverse osmosis wastewater backflow waterway system and water purifier |
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| CN202111649724.5A Withdrawn CN114262027A (en) | 2021-12-29 | 2021-12-29 | Reverse osmosis wastewater backflow waterway system and water purifier |
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| CN202139121U (en) * | 2011-07-19 | 2012-02-08 | 上海奔泰水处理设备有限公司 | Water-purifying machine with reverse osmosis membrane |
| CN105923810A (en) * | 2016-06-15 | 2016-09-07 | 王寒 | Dual-membrane dual-core cascaded slightly-concentrated water reverse osmosis device and control method thereof |
| CN106630232A (en) * | 2017-01-18 | 2017-05-10 | 杭州老板电器股份有限公司 | Bucket-free reverse osmosis water purifier system capable of improving water production rate and control method |
| CN212315745U (en) * | 2020-04-30 | 2021-01-08 | 佛山市顺德区美的饮水机制造有限公司 | Water purifier |
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2021
- 2021-12-29 CN CN202111649724.5A patent/CN114262027A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202139121U (en) * | 2011-07-19 | 2012-02-08 | 上海奔泰水处理设备有限公司 | Water-purifying machine with reverse osmosis membrane |
| CN105923810A (en) * | 2016-06-15 | 2016-09-07 | 王寒 | Dual-membrane dual-core cascaded slightly-concentrated water reverse osmosis device and control method thereof |
| CN106630232A (en) * | 2017-01-18 | 2017-05-10 | 杭州老板电器股份有限公司 | Bucket-free reverse osmosis water purifier system capable of improving water production rate and control method |
| CN212315745U (en) * | 2020-04-30 | 2021-01-08 | 佛山市顺德区美的饮水机制造有限公司 | Water purifier |
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