CN210764663U - Water purification system with backwashing function - Google Patents
Water purification system with backwashing function Download PDFInfo
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- CN210764663U CN210764663U CN201921543145.0U CN201921543145U CN210764663U CN 210764663 U CN210764663 U CN 210764663U CN 201921543145 U CN201921543145 U CN 201921543145U CN 210764663 U CN210764663 U CN 210764663U
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Abstract
The utility model belongs to the technical field of water treatment facilities, especially, relate to a water purification system of back flush in area, include ultrafiltration device, high-pressure pump, reverse osmosis unit that connect gradually through the pipeline, reverse osmosis unit even has product water pipe and dense water pipe, be equipped with the eighth valve on the dense water pipe, the eighth valve is the air-vent valve, the high-pressure pump with be equipped with the air pressurization retaining jar of vertical placing on the pipeline between the reverse osmosis unit, air pressurization retaining jar lower part is equipped with water inlet and drainage air inlet, the delivery port tube coupling of water inlet and high-pressure pump is equipped with the tenth valve on the pipeline of connection drainage air inlet, be equipped with the blow off pipe on the ultrafiltration device, be equipped with the ninth valve on the blow off pipe, water purification system still includes the controller, works as when the ninth valve is the solenoid valve, controller and ninth valve, The tenth valve is electrically connected with the high-pressure pump. The utility model discloses the back flush dynamics is big, simple structure, and the cleaning performance is thorough.
Description
The application is a divisional application of the following applications, application date: 12/11/2018, application No.: 201822069755.3, title of the invention: a water purification system with back washing.
Technical Field
The utility model belongs to the technical field of water treatment facilities, especially, relate to a water purification system of back flush in area.
Background
The existing water purification system with back washing has the problems of small washing pressurization degree, time-consuming washing and poor cleaning effect.
SUMMERY OF THE UTILITY MODEL
In order to solve the existing problems, the utility model aims at providing a water purification system with backwashing, which has the advantages of large backwashing pressurization degree, large flushing force, short flushing time and thorough cleaning effect.
The utility model provides a first scheme does: the utility model provides a water purification system of back flush includes ultrafiltration device, high-pressure pump, the reverse osmosis unit who connects gradually through the pipeline, the reverse osmosis unit even has produces water pipe and dense water pipe, be equipped with first valve on the dense water pipe, first valve is the air-vent valve, the high-pressure pump with be equipped with first energy storage ware on the pipeline between the reverse osmosis unit, be equipped with the blow off pipe on the ultrafiltration device, be equipped with the second valve on the blow off pipe, water purification system still includes the controller, works as when the second valve is the solenoid valve, the controller is connected with second valve, high-pressure pump electricity. Preferably, an activated carbon filtering device is further connected to a pipeline between the ultrafiltration device and the high-pressure pump. Preferably, a third valve is arranged on a pipeline between the first accumulator and the reverse osmosis device, and when the third valve is an electromagnetic valve, the controller is electrically connected with the third valve.
Preferably, the water production pipe is provided with a second energy accumulator, the water production pipe between the water production port of the water production pipe and the second energy accumulator is provided with a fourth valve, and when the fourth valve is an electromagnetic valve, the controller is electrically connected with the fourth valve.
The utility model provides a second kind scheme does: the utility model provides a water purification system of area back flush, includes ultrafiltration device, high-pressure pump, the reverse osmosis unit who connects gradually through first pipeline, the reverse osmosis unit even has produces water pipe and dense water pipe, be equipped with the fifth valve on the dense water pipe, the fifth valve is the air-vent valve, be equipped with the blow off pipe on the ultrafiltration device, be equipped with the sixth valve on the blow off pipe, even there is the one end of second pipeline on the first pipeline between high-pressure pump and the reverse osmosis unit, the other end of second pipeline is connected on the pipeline between the product water mouth of reverse osmosis unit and product water pipe, be equipped with seventh valve or/and check valve and be connected with the third energy storage ware on the second pipeline along the direction of high-pressure pump to producing the mouth of a river in proper order, water purification system still includes the controller, when sixth valve, seventh valve are the solenoid valve, controller and sixth valve, seventh valve, The high pressure pump is electrically connected.
Preferably, an activated carbon filtering device is further connected to a pipeline between the ultrafiltration device and the high-pressure pump.
Preferably, a water inlet valve is arranged on a water inlet pipeline of the ultrafiltration device.
The utility model provides a third scheme does: the utility model provides a water purification system of back flush, includes ultrafiltration device, high-pressure pump, the reverse osmosis unit who connects gradually through the pipeline, the reverse osmosis unit even has produces water pipe and dense water pipe, be equipped with the eighth valve on the dense water pipe, the eighth valve is the air-vent valve, the high-pressure pump with be equipped with the vertical air pressurization retaining jar of placing on the pipeline between the reverse osmosis unit, air pressurization retaining jar lower part is equipped with water inlet and drainage air inlet, the water inlet is connected with the delivery port tube coupling of high-pressure pump, is equipped with the tenth valve on the pipeline of connecting the drainage air inlet, be equipped with the blow off pipe on the ultrafiltration device, be equipped with the ninth valve on the blow off pipe, water purification system still includes the controller, works as when the ninth valve is the solenoid valve, the controller is connected with ninth valve, tenth valve, high-pressure.
Preferably, an activated carbon filtering device is further connected to a pipeline between the ultrafiltration device and the high-pressure pump.
Preferably, an eleventh valve is arranged on a pipeline between the air pressurization water storage tank and the reverse osmosis device, and when the eleventh valve is an electromagnetic valve, the controller is electrically connected with the eleventh valve.
The utility model provides a fourth scheme does: a water purification system with back flush, which comprises an ultrafiltration device, a high pressure pump and a reverse osmosis device which are connected in sequence through pipelines, the reverse osmosis device is connected with a water production pipe and a concentrated water pipe, the concentrated water pipe is provided with a twelfth valve, the twelfth valve is a pressure regulating valve, a vertically arranged air pressurizing water storage tank is connected to a pipeline between the high-pressure pump and the ultrafiltration device, the lower part of the air pressurization water storage tank is provided with a water inlet and a drainage air inlet, the water inlet is connected with a water outlet pipeline of the ultrafiltration device, a thirteenth valve is arranged on a pipeline connected with the drainage air inlet, the ultrafiltration device is provided with a drain pipe, the drain pipe is provided with a fourteenth valve, the water purification system also comprises a controller, when the thirteenth valve and the fourteenth valve are electromagnetic valves, the controller is electrically connected with the thirteenth valve, the fourteenth valve and the high-pressure pump.
Preferably, a fifteenth valve is arranged on a pipeline between a connecting point formed on a pipeline connecting the air pressurization water storage tank to the ultrafiltration device and the high-pressure pump.
Preferably, a pressure sensor is arranged on the ultrafiltration device, and the pressure sensor is electrically connected with the controller.
The utility model has the advantages that:
1. when the water is normally produced, the high-pressure pump pressurizes the reverse osmosis membrane and the energy accumulator, the pressurizing degree is large, so that the water pressure in the energy accumulator is large, the flushing force is large, the time is short, the cleaning effect is thorough, and a backwashing pipeline is not required to be additionally arranged.
2. The air pressurization water storage tank can be used repeatedly, the service life of the backwashing device is greatly prolonged, and the problem of short service life of a capsule in the energy accumulator is solved.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of a water purification system with backwashing according to the present invention.
Fig. 2 is a schematic structural diagram of a water purification system with back washing according to a second embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a water purification system with back washing according to a third embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a fourth embodiment of the water purification system with backwashing according to the present invention.
Fig. 5 is a schematic structural view of a water purification system with back washing according to a fifth embodiment of the present invention.
Detailed Description
The utility model discloses the following will make further detail with the accompanying drawing:
please refer to fig. 1, which is a first embodiment of the present invention, the water purification system comprises an ultrafiltration device 1, a high pressure pump 2, and a reverse osmosis device 3 sequentially connected by a pipeline, wherein the reverse osmosis device 3 is connected with a water production pipe 5 and a concentrated water pipe 4, the concentrated water pipe 4 is provided with a first valve a1, the first valve a1 is a pressure regulating valve, the pipeline between the high pressure pump 2 and the reverse osmosis device 3 is provided with a first energy accumulator S1, the ultrafiltration device 1 is provided with a sewage discharge pipe 6, the sewage discharge pipe 6 is provided with a second valve a2, the water purification system further comprises a controller 9, and when the second valve a2 is an electromagnetic valve, the controller is electrically connected with the second valve a2 and the high pressure pump 2.
In the first embodiment, further, an activated carbon filtering device 7 is connected to the pipeline between the ultrafiltration device and the high-pressure pump.
In the first embodiment, a third valve A3 is further provided on a pipeline between the first accumulator S1 and the reverse osmosis device 3, and when the third valve A3 is an electromagnetic valve, the controller is electrically connected to the third valve A3.
The working principle of the first embodiment: when water is normally produced, the second valve A2 is closed, the third valve A3 is opened, the first valve A1 is in a cut-off state, the high-pressure pump 2 is started to pump raw water, the raw water sequentially enters the ultrafiltration device 1, the activated carbon filtration device 7, the high-pressure pump 2 and the reverse osmosis device 3 through pipelines to be filtered, the produced water flows out from the water production pipe 5 for users to use, concentrated water is discharged from the concentrated water pipe 4, as the first energy accumulator S1 is arranged on a pipeline between the high-pressure pump 2 and the reverse osmosis device 3, the raw water is pressurized by the high-pressure pump after flowing through the high-pressure pump, water flows into the reverse osmosis device 3 and also flows into the first energy accumulator S1 except the reverse osmosis device, the water is pressurized and stored in the first energy accumulator S1, during back flushing, the high-pressure pump 2 is closed, the second valve A2 is opened, the third valve A3 is closed, the water in the first energy accumulator S1 flows out under the self-pressure action to, and discharging the sewage generated after the back washing from a sewage discharge pipe.
Referring to fig. 2, a second embodiment of the present invention is different from the first embodiment in that a second energy accumulator S2 is disposed on the water producing pipe, a fourth valve a4 is disposed on the water producing pipe 5 between the water producing port of the water producing pipe 5 and the second energy accumulator S2, and when the fourth valve a4 is an electromagnetic valve, the controller is electrically connected to the fourth valve a 4.
The working principle of the second embodiment: unlike the first embodiment, in normal water production, the water flows into the second accumulator S3 for pressure accumulation before flowing out from the water production port of the water production pipe, and during back flushing, the water in the second accumulator S2 flows out under its own pressure to back flush the reverse osmosis device 3, and the flushed sewage flows out from the concentrate pipe 4.
In both the first and second embodiments, the water inlet valve 8 may be added to the water inlet line of the ultrafiltration device 1.
Referring to fig. 3, as a third embodiment of the present invention, the water purification system comprises an ultrafiltration device 1, a high pressure pump 2, and a reverse osmosis device 3 connected in sequence by a first pipeline, wherein the reverse osmosis device 3 is connected to a water production pipe 5 and a concentrated water pipe 4, the concentrated water pipe 4 is provided with a fifth valve a5, the fifth valve a5 is a pressure regulating valve, the ultrafiltration device 1 is provided with a sewage discharge pipe 6, the sewage discharge pipe 6 is provided with a sixth valve a6, the first pipeline between the high pressure pump 2 and the reverse osmosis device 3 is connected to one end of a second pipeline, the other end of the second pipeline is connected to the pipeline between the reverse osmosis device 3 and the water production port of the water production pipe 5, the second pipeline is provided with a seventh valve a7 or/and a check valve 10 in sequence along the direction from the high pressure pump 2 to the water production port and is connected to a third energy accumulator S3, the water purification system further comprises a controller 9, when the sixth valve a6 and the seventh valve a7 are solenoid valves, the controller 9 is electrically connected to the sixth valve a6, the seventh valve a7, and the high-pressure pump 2.
In the third embodiment, further, an activated carbon filtering device 7 is connected to the pipeline between the ultrafiltration device and the high-pressure pump.
In the third embodiment, further, a water inlet valve 8 is arranged on the water inlet pipeline of the ultrafiltration device.
Working principle of the third embodiment: when water is normally produced, the water inlet valve 8 is opened, the sixth valve A6 and the seventh valve A7 are closed, the fifth valve A5 is in a cut-off state, the high-pressure pump 2 is started to pump raw water, the raw water sequentially enters the ultrafiltration device 1, the activated carbon filtration device 7, the high-pressure pump 2 and the reverse osmosis device 3 through pipelines to be filtered, produced water flows out of the water production pipe 5 for users to use, concentrated water is discharged from the concentrated water pipe 4, and a third energy accumulator S3 is connected between the reverse osmosis device 3 and a water production port of the water production pipe 5, so that a part of the produced water flows into the third energy accumulator S3 to be pressurized and stored; when backwashing is carried out, the sixth valve A6 and the seventh valve A7 are opened, water in the third energy accumulator S3 flows out under the action of self pressure, the ultrafiltration device 1 and the reverse osmosis device 3 are backwashed, and sewage generated after backwashing is discharged from the sewage discharge pipe 6 and the concentrated water pipe 4 respectively.
Referring to fig. 4, as a fourth embodiment of the present invention, the present invention includes an ultrafiltration device 1, a high pressure pump 2, and a reverse osmosis device 3 connected in sequence by a pipeline, wherein the reverse osmosis device 3 is connected to a water production pipe 5 and a concentrated water pipe 4, the concentrated water pipe 4 is provided with an eighth valve A8, the eighth valve A8 is a pressure regulating valve, a vertically disposed air pressurized water storage tank 11 is disposed on the pipeline between the high pressure pump 2 and the reverse osmosis device 3, a water inlet and a water discharge inlet are disposed at the lower portion of the air pressurized water storage tank 11, the water inlet is connected to a water outlet pipeline of the high pressure pump 2, a tenth valve a10 is disposed on the pipeline connected to the water discharge inlet, a drain pipe 6 is disposed on the ultrafiltration device 1, a ninth valve a9 is disposed on the drain pipe 6, the water purification system further includes a controller 9, and when the ninth valve is an electromagnetic valve, the controller 9 and the ninth valve a9, The tenth valve a10 is electrically connected to the high-pressure pump 2.
Working principle of the fourth embodiment: when the water purification system is stopped to drain, the tenth valve A10 is opened to completely drain the water in the air pressurization water storage tank 11, the air enters the air pressurization water storage tank 11 along the connecting pipeline of the drainage air inlet, when the high-pressure pump 2 is started, the tenth valve A10 is closed, the high-pressure pump 2 pumps water into the air pressurization water storage tank 11, the added water compresses the air in the tank, the water is at the lower part because the air is at the upper part, when the water purification system is stopped again, the air presses the water out, the ultrafiltration device 1 is backwashed by the high-pressure pump 2, the ninth valve A9 is opened, and finally, the sewage is discharged from the sewage discharge pipe 6.
In the fourth embodiment, further, an activated carbon filtering device 7 is connected to the pipeline between the ultrafiltration device 1 and the high-pressure pump 2.
In the fourth embodiment, an eleventh valve a11 is further provided on the pipeline between the air pressurized reservoir tank 11 and the reverse osmosis unit 3, and when the eleventh valve a11 is a solenoid valve, the controller is electrically connected to the eleventh valve a 11. During the back flushing, the eleventh valve a11 can be closed so that the water in the air-pressurized reservoir does not flow into the reverse osmosis unit 3, and is used to clean the ultrafiltration unit 1.
Referring to fig. 5, as a fifth embodiment of the present invention, the water purification system includes an ultrafiltration device 1, a high pressure pump 2, and a reverse osmosis device 3 connected in sequence by a pipeline, wherein the reverse osmosis device 3 is connected to a water production pipe 5 and a concentrated water pipe 4, the concentrated water pipe 4 is provided with a twelfth valve a12, the twelfth valve a12 is a pressure regulating valve, a vertically disposed air pressurizing water storage tank 11 is connected to the pipeline between the high pressure pump 2 and the ultrafiltration device 1, the lower portion of the air pressurizing water storage tank 11 is provided with a water inlet and a water discharge inlet, the water inlet is connected to the water outlet pipeline of the ultrafiltration device 1, the pipeline connected to the water discharge inlet is provided with a thirteenth valve a13, the ultrafiltration device 1 is provided with a sewage discharge pipe 6, the sewage discharge pipe 6 is provided with a fourteenth valve a14, the water purification system further includes a controller 9, and when the thirteenth valve a13, the pressure, When the fourteenth valve a14 is a solenoid valve, the controller 9 is electrically connected to the thirteenth valve a13, the fourteenth valve a14 and the high pressure pump 2.
And a fifteenth valve A15 is arranged on a pipeline between a connecting point formed on a pipeline connecting the ultrafiltration device 1 and the high-pressure pump 2, wherein the air pressurization water storage tank 11 is connected to the pipeline between the ultrafiltration device 1 and the high-pressure pump 2.
Working principle of the fifth embodiment: when the water purification system is stopped for water drainage, the thirteenth valve A13 is opened to completely drain the water in the air pressurization water storage tank 11, the air enters the air pressurization water storage tank 11 along the connecting pipeline of the water drainage air inlet, when the high-pressure pump 2 is started, the thirteenth valve A13 is closed, the high-pressure pump 2 pumps water into the air pressurization water storage tank 11, the added water compresses the air in the tank, the water is at the lower part due to the fact that the air is at the upper part, when the water purification system is stopped again, the air presses the water out, the ultrafiltration device 1 is directly backwashed, the fourteenth valve A14 is opened, and finally the sewage is discharged from the sewage discharge pipe 6. The fifteenth valve a15 is closed so that the water in the air pressurized reservoir does not flow into the reverse osmosis unit 3 and is used entirely to clean the ultrafiltration unit 1.
In the above embodiments, the ultrafiltration devices may be provided with pressure sensors, and the pressure sensors are electrically connected to the controller. The ultrafiltration device is easy to block after long-time filtration work to cause the pressure in the membrane to increase, the pressure sensor detects the pressure increase in the ultrafiltration device and sends a signal to the controller, and the controller controls the opening or closing of the related valve to realize the back washing of the ultrafiltration device.
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made according to the scope of the claims of the present invention should be covered by the claims of the present invention.
Claims (6)
1. The utility model provides a water purification system of back flush, its characterized in that includes ultrafiltration device, high-pressure pump, the reverse osmosis unit who connects gradually through the pipeline, the reverse osmosis unit even has product water pipe and dense water pipe, be equipped with the eighth valve on the dense water pipe, the eighth valve is the air-vent valve, the high-pressure pump with be equipped with the vertical air pressurization water storage tank of placing on the pipeline between the reverse osmosis unit, air pressurization water storage tank lower part is equipped with water inlet and drainage air inlet, the delivery port tube coupling of water inlet and high-pressure pump is equipped with the tenth valve on the pipeline of connecting the drainage air inlet, be equipped with the blow off pipe on the ultrafiltration device, be equipped with the ninth valve on the blow off pipe, water purification system still includes the controller, works as when the ninth valve is the solenoid valve, the controller is connected with ninth valve, tenth valve, high-pressure pump electricity.
2. The water purification system with backwashing according to claim 1, wherein an activated carbon filtration device is further connected to a pipeline between the ultrafiltration device and the high-pressure pump.
3. The water purification system with backwashing of claim 1, wherein an eleventh valve is disposed on a pipeline between the air pressurization water storage tank and the reverse osmosis device, and when the eleventh valve is an electromagnetic valve, the controller is electrically connected to the eleventh valve.
4. A water purification system with back flush is characterized by comprising an ultrafiltration device, a high pressure pump and a reverse osmosis device which are connected in sequence through pipelines, the reverse osmosis device is connected with a water production pipe and a concentrated water pipe, the concentrated water pipe is provided with a twelfth valve, the twelfth valve is a pressure regulating valve, a vertically arranged air pressurizing water storage tank is connected to a pipeline between the high-pressure pump and the ultrafiltration device, the lower part of the air pressurization water storage tank is provided with a water inlet and a drainage air inlet, the water inlet is connected with a water outlet pipeline of the ultrafiltration device, a thirteenth valve is arranged on a pipeline connected with the drainage air inlet, the ultrafiltration device is provided with a drain pipe, the drain pipe is provided with a fourteenth valve, the water purification system also comprises a controller, when the thirteenth valve and the fourteenth valve are electromagnetic valves, the controller is electrically connected with the thirteenth valve, the fourteenth valve and the high-pressure pump.
5. The water purification system with backwashing of claim 4, wherein a fifteenth valve is arranged on a pipeline between a connection point formed on a pipeline connecting the air pressurization water storage tank to the ultrafiltration device and the high pressure pump.
6. The water purification system with backwashing according to claim 4, wherein a pressure sensor is provided on the ultrafiltration device, and the pressure sensor is electrically connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921543145.0U CN210764663U (en) | 2018-12-11 | 2018-12-11 | Water purification system with backwashing function |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822069755.3U CN209791303U (en) | 2018-12-11 | 2018-12-11 | Water purification system with backwashing function |
| CN201921543145.0U CN210764663U (en) | 2018-12-11 | 2018-12-11 | Water purification system with backwashing function |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822069755.3U Division CN209791303U (en) | 2018-12-11 | 2018-12-11 | Water purification system with backwashing function |
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| Publication Number | Publication Date |
|---|---|
| CN210764663U true CN210764663U (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921543145.0U Active CN210764663U (en) | 2018-12-11 | 2018-12-11 | Water purification system with backwashing function |
| CN201822069755.3U Active CN209791303U (en) | 2018-12-11 | 2018-12-11 | Water purification system with backwashing function |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822069755.3U Active CN209791303U (en) | 2018-12-11 | 2018-12-11 | Water purification system with backwashing function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112473374B (en) * | 2020-11-06 | 2022-04-12 | 张梅 | Semipermeable membrane desalination device and method with bidirectional forward osmosis online cleaning function |
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- 2018-12-11 CN CN201921543145.0U patent/CN210764663U/en active Active
- 2018-12-11 CN CN201822069755.3U patent/CN209791303U/en active Active
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| CN209791303U (en) | 2019-12-17 |
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