CN213506275U - Water purification system for composite RO (reverse osmosis) membrane filter element - Google Patents
Water purification system for composite RO (reverse osmosis) membrane filter element Download PDFInfo
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- CN213506275U CN213506275U CN202022406085.7U CN202022406085U CN213506275U CN 213506275 U CN213506275 U CN 213506275U CN 202022406085 U CN202022406085 U CN 202022406085U CN 213506275 U CN213506275 U CN 213506275U
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Abstract
The utility model belongs to the technical field of water purification system, concretely relates to water purification system for compound RO membrane filter core, include: RO membrane filter element, waste water drain pipe, water inlet circulation pipe; a wastewater ratio electromagnetic valve is arranged on the wastewater drainage pipe; a wastewater return pipe is arranged on the wastewater discharge pipe in parallel and is connected with the water inlet circulating pipe; the waste water return pipe is provided with a waste water proportional valve and a first one-way valve; the water inlet circulating pipe is provided with a water inlet electromagnetic valve and a booster pump, and the water outlet end of the booster pump is connected with the front end of the RO membrane filter element; one path of wastewater discharged from the rear end of the RO membrane filter element is directly discharged to a wastewater outlet from a wastewater discharge pipe, and the other path of wastewater flows to a wastewater return pipe and flows to the front end of the RO membrane filter element after being pressurized by a wastewater proportional valve, a first one-way valve, a water inlet electromagnetic valve and a booster pump. The utility model discloses carry out system water once more after recycle to waste water, reduced wastewater discharge's proportion, when obtaining the pure water of certain quantity, wastewater discharge significantly reduces, has avoided the water waste.
Description
Technical Field
The utility model belongs to the water purification system field, concretely relates to a water purification system for compounding RO membrane filter core.
Background
The existing system needs to discharge high-concentration wastewater simultaneously when preparing pure water, and the wastewater is discharged from a wastewater outlet, so that the discharge amount is large and the waste is serious.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a water purification system for compound RO membrane filter core to solve among the prior art waste water and all discharge from the waste water mouth, cause water waste's technical problem.
In order to solve the technical problem, the utility model provides a water purification system for compound RO membrane filter core, include: the RO membrane filter element, a waste water discharge pipe arranged at the rear end of the RO membrane filter element and a water inlet circulating pipe arranged at the front end of the RO membrane filter element; wherein the waste water drain pipe is provided with a waste water ratio electromagnetic valve; a wastewater return pipe is arranged on the wastewater discharge pipe in parallel and is connected with a water inlet circulation pipe; the waste water return pipe is provided with a waste water proportional valve and a first one-way valve; a water inlet electromagnetic valve and a booster pump are arranged on the water inlet circulating pipe, and the water outlet end of the booster pump is connected with the front end of the RO membrane filter element; the waste water discharged from the rear end of the RO membrane filter element is discharged to a waste water outlet from a waste water discharge pipe and a waste water ratio electromagnetic valve, and the other path of waste water flows to a waste water return pipe from the waste water discharge pipe, flows to a water inlet circulating pipe through a waste water proportional valve and a first one-way valve, and flows to the front end of the RO membrane filter element after being pressurized by a water inlet electromagnetic valve and a booster pump.
Further: and a water inlet of the water inlet electromagnetic valve is connected with a filtering component in series.
Further: the filter assembly includes: a PCB filter element; and running water filtered by the PCB filter element flows to the front end of the RO membrane filter element after being pressurized by the water inlet electromagnetic valve and the booster pump.
Further: a pure water pipeline is arranged at the rear end of the RO membrane filter element; a water storage pipeline is arranged on the pure water pipeline, and a water outlet of the water storage pipeline is connected with a pressure storage device; a second one-way valve is arranged on the water storage pipeline; the running water after PCB filter core filters flows to RO membrane filter core front end after intaking solenoid valve, booster pump pressure boost, obtains the pure water after RO membrane filter core is handled, and the pure water is discharged to the pure water export through the pure water pipeline all the way, and another way is stored in flowing into pressure storage device through the water storage pipeline.
Further: the water storage pipeline and the water outlet of the booster pump are connected with a third one-way valve; when the pure water outlet was closed, the pure water that the pressure storage device the inside was stored flowed out to RO membrane filter core under the pressure effect to dilute the waste water to RO membrane filter core in the high concentration, waste water after diluting is discharged to the waste water outlet from waste water drain pipe.
Further: the pressure storage device is a water storage tank.
The beneficial effects of the utility model are that, the utility model discloses a water purification system for compounding RO membrane filter core adopts waste water back flow, waste water proportional valve, first check valve to retrieve the back waste water and utilizes through system water in solenoid valve, the booster pump of intaking circulates once more to RO membrane filter core, has reduced the proportion of waste water discharge, when obtaining the pure water of certain quantity, waste water discharge significantly reduces, has avoided the water waste, plays energy saving and emission reduction's effect.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of a preferred embodiment of the flow direction of each water path when the water purification system for the composite RO membrane filter element of the present invention is used for producing water;
fig. 2 is the schematic diagram of the preferred embodiment of the water purification system for compound RO membrane filter core, which is closed at the pure water outlet, and the system stops to make water, and the flow direction of each water channel is stopped when the pump stops working.
In the figure:
1. an RO membrane filter element; 2. a waste water drain pipe; 21. a wastewater ratio electromagnetic valve; 3. a water inlet circulating pipe; 31. a water inlet electromagnetic valve; 32. a booster pump; 4. a waste water return pipe; 41. a wastewater proportional valve; 42. a first check valve; 5. a PCB filter element; 6. a pure water line; 7. a water storage pipeline; 71. a second one-way valve; 8. a third check valve; 9. a water storage tank.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1 is a schematic view of a water purification system for a composite RO membrane cartridge of the present invention;
as shown in fig. 1, the present embodiment provides a water purification system for a composite RO membrane cartridge, comprising: the RO membrane filter element comprises an RO membrane filter element 1, a waste water discharge pipe 2 arranged at the rear end of the RO membrane filter element 1 and a water inlet circulating pipe 3 arranged at the front end of the RO membrane filter element 1; wherein the waste water drain pipe 2 is provided with a waste water ratio electromagnetic valve 21; a wastewater return pipe 4 is arranged on the wastewater discharge pipe 2 in parallel, and the wastewater return pipe 4 is connected with the water inlet circulation pipe 3; the waste water return pipe 4 is provided with a waste water proportional valve 41 and a first check valve 42; the water inlet circulating pipe 3 is provided with a water inlet electromagnetic valve 31 and a booster pump 32, and the water outlet end of the booster pump 32 is connected with the front end of the RO membrane filter element 1; the waste water discharged from the rear end of the RO membrane filter element 1 is discharged to a waste water outlet from the waste water discharge pipe 2 and the waste water ratio electromagnetic valve 21, and the waste water flows to the waste water return pipe 4 from the waste water discharge pipe 2, flows to the water inlet circulation pipe 3 through the waste water ratio valve 41 and the first one-way valve 42, and flows to the front end of the RO membrane filter element 1 after being pressurized by the water inlet electromagnetic valve 31 and the booster pump 32.
When the system produces water, tap water enters the front end of the RO membrane filter element 1 after being pressurized by the water inlet electromagnetic valve 31 and the booster pump 32, is divided into two paths after being processed by the RO membrane filter element 1, wherein one path of tap water is discharged to a wastewater outlet from the wastewater discharge pipe 2 and the wastewater ratio electromagnetic valve 21, the other path of tap water flows to the wastewater return pipe 4 from the wastewater discharge pipe 2, is mixed with the tap water, enters the front end of the RO membrane filter element 1 again after being pressurized by the water inlet electromagnetic valve 31 and the booster pump 32, and recycles the wastewater, so that half of the discharge amount of the wastewater can be reduced, and the effects of saving energy, reducing emission and reducing water resource.
FIG. 1 is a schematic view of a filter assembly of the present invention;
in this embodiment, the water inlet of the water inlet solenoid valve 31 is connected in series with a filter assembly.
Specifically, in this embodiment, the filter assembly includes: a PCB filter element 5; the tap water filtered by the PCB filter element 5 flows to the front end of the RO membrane filter element 1 after being pressurized by the water inlet electromagnetic valve 31 and the booster pump 32. The PCB filter element 5 is adapted for primary filtration of tap water.
In this embodiment, the PCB filter core is leading filter core and rearmounted filter core and closes the filter assembly as an organic whole, and leading filter core carries out primary filter to the running water, and the rearmounted filter core adsorbs the peculiar smell to the pure water that RO membrane filter core 1 came out, improves the taste.
Specifically, the PCB filter element 5 may be, but is not limited to, activated carbon.
In the embodiment, the rear end of the RO membrane cartridge 1 is provided with a pure water pipeline 6; a water storage pipeline 7 is arranged on the pure water pipeline 6, and a water outlet of the water storage pipeline 7 is connected with a pressure storage device; the water storage pipeline 7 is provided with a second one-way valve 71; the tap water filtered by the PCB filter element 5 flows to the front end of the RO membrane filter element 1 after being pressurized by the water inlet electromagnetic valve 31 and the booster pump 32, and pure water is obtained after being processed by the RO membrane filter element 1, one path of the pure water is discharged to a pure water outlet through the pure water pipeline 6, and the other path of the pure water flows into the pressure storage device for storage through the water storage pipeline 7.
After being preliminarily filtered by the PCB filter element 5, tap water flows to the front end of the RO membrane filter element 1 after being pressurized by the water inlet electromagnetic valve 31 and the booster pump 32, pure water and wastewater are obtained after being processed by the RO membrane filter element 1, one path of the pure water is discharged to a pure water outlet through the pure water pipeline 6 and can be directly taken and used, and the other path of the pure water flows into the pressure storage device for storage through the water storage pipeline 7; one path of wastewater is discharged to a wastewater outlet from the wastewater discharge pipe 2 and the wastewater ratio electromagnetic valve 21, and the other path of wastewater flows to the wastewater return pipe 4 from the wastewater discharge pipe 2, is mixed with tap water, is pressurized by the water inlet electromagnetic valve 31 and the booster pump 32, and then enters the front end of the RO membrane filter element 1 again for recycling.
As shown in fig. 2, in the present embodiment, a third check valve 8 is connected to the water storage pipeline 7 and the water outlet of the booster pump 32; when the pure water outlet was closed, the pure water that the pressure storage device the inside was stored flowed out to RO membrane filter core 1 under the pressure effect to dilute the waste water of RO membrane filter core 1 inside high concentration, the waste water after diluting was discharged to the waste water outlet from waste water drain pipe 2.
The end is taken to system's pure water, and the pure water export is closed, and the pure water of storing among the pressure storage device flows out to RO membrane filter core 1 under the pressure effect, dilutes the waste water of RO membrane filter core 1 inside high concentration and discharges through waste water than solenoid valve 21, leaves the surplus water that is close the pure water TDS value in the RO membrane filter core 1 until, and waste water is closed than solenoid valve 21, and the system gets into standby state, and the pure water TDS that produces can not exceed standard when can guaranteeing system water again after the long-time standby of system.
In this embodiment, the pressure storage device is a water storage tank 9.
In this embodiment, the PCB filter 5 is connected to the faucet through a tap water pipe.
In conclusion, the wastewater is recycled by the wastewater return pipe 4, the wastewater proportional valve 41 and the first one-way valve 42, and then is recycled into the RO membrane filter element 1 through the water inlet electromagnetic valve 31 and the booster pump 32 to produce water for utilization, so that the wastewater discharge proportion is reduced, when a certain amount of pure water is obtained, the wastewater discharge is greatly reduced, the waste of water resources is avoided, and the effects of energy conservation and emission reduction are achieved; the filter assembly is suitable for primary filtration of tap water; set up water storage tank 9, shut down back pure water and wash RO membrane filter core 1, the pure water TDS who ensures that the system comes out after the long-time standby does not exceed standard, reduces RO membrane filter core 1 blocking surface, prolongs RO membrane filter core's life.
All the parts of the devices selected in the present application are general standard parts or parts known to those skilled in the art, and the structures and principles thereof can be known to those skilled in the art through technical manuals or through routine experimental methods.
In the description of the embodiments of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. A water purification system for a composite RO membrane cartridge, comprising:
the RO membrane filter element, a waste water discharge pipe arranged at the rear end of the RO membrane filter element and a water inlet circulating pipe arranged at the front end of the RO membrane filter element; wherein
A wastewater ratio electromagnetic valve is arranged on the wastewater drainage pipe;
a wastewater return pipe is arranged on the wastewater discharge pipe in parallel and is connected with a water inlet circulation pipe;
the waste water return pipe is provided with a waste water proportional valve and a first one-way valve;
a water inlet electromagnetic valve and a booster pump are arranged on the water inlet circulating pipe, and the water outlet end of the booster pump is connected with the front end of the RO membrane filter element;
the waste water discharged from the rear end of the RO membrane filter element is discharged to a waste water outlet from a waste water discharge pipe and a waste water ratio electromagnetic valve, and the other path of waste water flows to a waste water return pipe from the waste water discharge pipe, flows to a water inlet circulating pipe through a waste water proportional valve and a first one-way valve, and flows to the front end of the RO membrane filter element after being pressurized by a water inlet electromagnetic valve and a booster pump.
2. The water purification system for a composite RO membrane cartridge of claim 1,
and a water inlet of the water inlet electromagnetic valve is connected with a filtering component in series.
3. The water purification system for a composite RO membrane cartridge of claim 2,
the filter assembly includes: a PCB filter element;
and running water filtered by the PCB filter element flows to the front end of the RO membrane filter element after being pressurized by the water inlet electromagnetic valve and the booster pump.
4. A water purification system for a composite RO membrane cartridge as claimed in claim 3,
a pure water pipeline is arranged at the rear end of the RO membrane filter element;
a water storage pipeline is arranged on the pure water pipeline, and a water outlet of the water storage pipeline is connected with a pressure storage device;
a second one-way valve is arranged on the water storage pipeline;
the running water after PCB filter core filters flows to RO membrane filter core front end after intaking solenoid valve, booster pump pressure boost, obtains the pure water after RO membrane filter core is handled, and the pure water is discharged to the pure water export through the pure water pipeline all the way, and another way is stored in flowing into pressure storage device through the water storage pipeline.
5. The water purification system for a composite RO membrane cartridge of claim 4,
the water storage pipeline and the water outlet of the booster pump are connected with a third one-way valve;
when the pure water outlet was closed, the pure water that the pressure storage device the inside was stored flowed out to RO membrane filter core under the pressure effect to dilute the waste water to RO membrane filter core in the high concentration, waste water after diluting is discharged to the waste water outlet from waste water drain pipe.
6. The water purification system for a composite RO membrane cartridge of claim 4,
the pressure storage device is a water storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022406085.7U CN213506275U (en) | 2020-10-23 | 2020-10-23 | Water purification system for composite RO (reverse osmosis) membrane filter element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022406085.7U CN213506275U (en) | 2020-10-23 | 2020-10-23 | Water purification system for composite RO (reverse osmosis) membrane filter element |
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| Publication Number | Publication Date |
|---|---|
| CN213506275U true CN213506275U (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022406085.7U Active CN213506275U (en) | 2020-10-23 | 2020-10-23 | Water purification system for composite RO (reverse osmosis) membrane filter element |
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| Country | Link |
|---|---|
| CN (1) | CN213506275U (en) |
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