CN212425635U - Water purification system with double return water paths - Google Patents
Water purification system with double return water paths Download PDFInfo
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- CN212425635U CN212425635U CN202020786075.8U CN202020786075U CN212425635U CN 212425635 U CN212425635 U CN 212425635U CN 202020786075 U CN202020786075 U CN 202020786075U CN 212425635 U CN212425635 U CN 212425635U
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Abstract
The utility model discloses a take water purification system in two return water routes, its characterized in that: the device comprises a water tank and a membrane system, wherein the water outlet end of the water tank is connected with the water inlet end of the membrane system through a water outlet waterway; the water outlet waterway is sequentially provided with a one-way valve, a pretreatment filter element and a booster pump; a water production waterway and a backflow waterway are arranged on the membrane system; the water producing waterway is provided with a first electromagnetic valve and a water producing loop; the water production loop is provided with a second electromagnetic valve and is connected with a water outlet waterway between the one-way valve and the pretreatment filter element; the return water circuit is divided into a first loop and a second loop; a third electromagnetic valve is arranged on the first loop, and the first loop is connected with the water tank; and a fourth electromagnetic valve is arranged on the second loop, and the second loop is connected with a water outlet waterway between the pretreatment filter element and the booster pump. The utility model discloses can wash membrane system and preliminary treatment filter core, improve water purification system's life.
Description
Technical Field
The utility model relates to a water purification technical field, in particular to water purification system in two return water routes in area.
Background
Nowadays, the water quality requirements of industrial production, such as the production of products in various industries, such as biology, medicine, petroleum, chemical industry, semiconductors, etc., which have strict requirements on water, scientific research institutions, laboratories, and even our daily life are higher and higher. Therefore, the water needs to be treated to remove various toxic and harmful substances and impurities in the water, so that the application requirements of the water can be met. Along with the development of urbanization in China, water purifiers are gradually popularized, in the water purifiers, a filtering technology mainly based on reverse osmosis, nanofiltration or ultrafiltration gradually becomes a mainstream, but the current water purification system has a serious shut-down salt permeation phenomenon, so that a membrane system, a filter element and a pipeline are polluted, the TDS in water exceeds the standard, and the service life of the water purification system is seriously influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a take water purification system in two return water routes. The utility model discloses can wash membrane system and preliminary treatment filter core, improve water purification system's life.
The technical scheme of the utility model: the water purification system with the double backflow waterway comprises a water tank and a membrane system, wherein the water outlet end of the water tank is connected with the water inlet end of the membrane system through a water outlet waterway; the water outlet waterway is sequentially provided with a one-way valve, a pretreatment filter element and a booster pump; a water production waterway and a backflow waterway are arranged on the membrane system; the water producing waterway is provided with a first electromagnetic valve and a water producing loop; the water production loop is provided with a second electromagnetic valve and is connected with a water outlet waterway between the one-way valve and the pretreatment filter element; the return water circuit is divided into a first loop and a second loop; a third electromagnetic valve is arranged on the first loop, and the first loop is connected with the water tank; and a fourth electromagnetic valve is arranged on the second loop, and the second loop is connected with a water outlet waterway between the pretreatment filter element and the booster pump.
According to the water purification system with the double backflow water channels, the number of membrane elements in the membrane system is at least 1, and the membrane elements are connected in series or in parallel.
In the water purification system with the double backflow water paths, the membrane system is a reverse osmosis membrane, a nanofiltration membrane, an ultrafiltration membrane or a microfiltration membrane.
In the water purification system with the double backflow water paths, the backflow water path is provided with the wastewater ratio device.
Compared with the prior art, when the middle membrane system normally produces water, the first electromagnetic valve and the third electromagnetic valve are opened, the second electromagnetic valve and the fourth electromagnetic valve are closed, the circulating pump is opened, water in the water tank enters the pretreatment filter element for pretreatment through the water outlet waterway and then enters the membrane system, produced water flows out of the first electromagnetic valve through the water producing waterway, and concentrated water enters the water tank through the first loop from the return waterway; when a flushing program is started, the first electromagnetic valve and the third electromagnetic valve are closed, the second electromagnetic valve and the fourth electromagnetic valve are opened, the circulating pump is opened, water in the water outlet waterway enters the membrane system, the produced water of the membrane system enters the pretreatment filter element through the water production loop, the water stored in the pretreatment filter element is extruded out of the filter shell, meanwhile, the concentrated water of the membrane system enters the membrane system again through the second loop from the return water path to produce water, so that the pretreatment filter element is washed by the produced water of the membrane system alone, after the flushing program is circulated for a plurality of times, the third electromagnetic valve is opened, the fourth electromagnetic valve is closed, the generated water in the membrane system enters the pretreatment filter element and the membrane system through the water production loop for circulation, and the concentrated water backflow water tank washes the pretreatment filter element, the water outlet pipeline and the membrane system through the produced water of the membrane system, so that the service life of the water purification system is prolonged. Furthermore, the utility model discloses can be used for reverse osmosis membrane, receive filter membrane, milipore filter or microfiltration membrane's membrane water purification field, application scope is wide, is fit for the popularization of large tracts of land, the utility model discloses still through be equipped with waste water ratio device on the backward flow water road, and then the waste water ratio of convenient adjustment membrane system.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Reference numerals
1. A water tank; 2. a membrane system; 3. a water outlet waterway; 4. a one-way valve; 5. pretreating a filter element; 6. a booster pump; 7. a water producing waterway; 8. a return water path; 9. a first solenoid valve; 10. a water production loop; 11. a second solenoid valve; 12. a first circuit; 13. a second loop; 14. a third electromagnetic valve; 15. a fourth solenoid valve; 16. waste water ratio device.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Example (b): the water purification system with the double-backflow water path comprises a water tank 1 and a membrane system 2, wherein membrane elements in the membrane system 2 are at least 1 group, and the membrane elements are connected in series or in parallel; the membrane system is a reverse osmosis membrane, a nanofiltration membrane, an ultrafiltration membrane or a microfiltration membrane; the water outlet end of the water tank 1 is connected with the water inlet end of the membrane system 2 through a water outlet waterway 3; the water outlet waterway 3 is sequentially provided with a one-way valve 4, a pretreatment filter element 5 and a booster pump 6, and the connection mode of the one-way valve 4, the pretreatment filter element 5 and the booster pump 6 with the water outlet waterway 3 is the most common and conventional in the field; a water production water path 7 and a backflow water path 8 are arranged on the membrane system 2, and a wastewater ratio device 16 is arranged on the backflow water path 8, so that the wastewater ratio of the membrane system 2 can be conveniently adjusted; the water producing waterway 7 is provided with a first electromagnetic valve 9 and a water producing loop 10; the water production loop 10 is provided with a second electromagnetic valve 11, and the water production loop 10 is connected with the water outlet waterway 3 between the one-way valve 4 and the pretreatment filter element 5; the return water circuit 8 is divided into a first loop 12 and a second loop 13; a third electromagnetic valve 14 is arranged on the first loop 12, and the first loop 12 is connected with the water tank 1; and a fourth electromagnetic valve 15 is arranged on the second loop 13, and the second loop 13 is connected with the water outlet water path 3 between the pretreatment filter element 5 and the booster pump 6. When the membrane system 2 normally produces water, the first electromagnetic valve 9 and the third electromagnetic valve 14 are opened, the second electromagnetic valve 11 and the fourth electromagnetic valve 15 are closed, the circulating pump is opened, water in the water tank 1 enters the pretreatment filter element 5 for pretreatment through the water outlet water path 3 and then enters the membrane system 2, produced water flows out of the first electromagnetic valve 9 through the water production water path 7, and concentrated water enters the water tank 1 through the first loop 12 from the return water path 8; when a flushing program is started, the first electromagnetic valve 9 and the third electromagnetic valve 14 are closed, the second electromagnetic valve 11 and the fourth electromagnetic valve 15 are opened, the circulating pump is opened, water in the water outlet water path 3 enters the membrane system 2, produced water in the membrane system 2 enters the pretreatment filter element 5 through the water production loop 10, water stored in the pretreatment filter element 5 is extruded out of the filter shell, concentrated water in the membrane system 2 enters the membrane system 2 again through the return water path 8 through the second loop 13 to produce water, so that the pretreatment filter element 5 is flushed independently through the produced water in the membrane system 2, after the flushing program is circulated for multiple times, the third electromagnetic valve 14 is opened, the fourth electromagnetic valve 15 is closed, produced water in the membrane system 2 enters the pretreatment filter element 5 and the membrane system 2 through the water production loop 10 to be circulated, and the concentrated water flows back to the water tank 1, so that the pretreatment filter element 5, the concentrated water are flushed through the produced water in the membrane system 2, The water outlet pipeline and the membrane system 2 are flushed, so that the service life of the water purification system is prolonged.
The working principle is as follows:
when the system is used, water is normally produced by the membrane system 2, the first electromagnetic valve 9 and the third electromagnetic valve 14 are opened, the second electromagnetic valve 11 and the fourth electromagnetic valve 15 are closed, the circulating pump is opened, water in the water tank 1 enters the pretreatment filter element 5 for pretreatment through the water outlet water path 3 and then enters the membrane system 2, produced water flows out of the first electromagnetic valve 9 through the water production water path 7, and concentrated water enters the water tank 1 through the first loop 12 from the return water path 8; when a flushing program is started, the first electromagnetic valve 9 and the third electromagnetic valve 14 are closed, the second electromagnetic valve 11 and the fourth electromagnetic valve 15 are opened, the circulating pump is opened, water in the water outlet water path 3 enters the membrane system 2, produced water in the membrane system 2 enters the pretreatment filter element 5 through the water production loop 10, water stored in the pretreatment filter element 5 is extruded out of the filter shell, concentrated water in the membrane system 2 enters the membrane system 2 again through the return water path 8 through the second loop 13 to produce water, so that the pretreatment filter element 5 is flushed independently through the produced water in the membrane system 2, after the flushing program is circulated for multiple times, the third electromagnetic valve 14 is opened, the fourth electromagnetic valve 15 is closed, produced water in the membrane system 2 enters the pretreatment filter element 5 and the membrane system 2 through the water production loop 10 to be circulated, and the concentrated water returns to the water tank 1, so that the pretreatment filter element 5 is flushed through the produced water in the membrane system 2, And the water outlet pipeline and the membrane system 2 are flushed.
Claims (4)
1. Take water purification system in two return flow water routes, its characterized in that: the membrane bioreactor comprises a water tank (1) and a membrane system (2), wherein the water outlet end of the water tank (1) is connected with the water inlet end of the membrane system (2) through a water outlet waterway (3); the water outlet waterway (3) is sequentially provided with a one-way valve (4), a pretreatment filter element (5) and a booster pump (6); a water production waterway (7) and a backflow waterway (8) are arranged on the membrane system (2); a first electromagnetic valve (9) and a water production loop (10) are arranged on the water production waterway (7); a second electromagnetic valve (11) is arranged on the water production loop (10), and the water production loop (10) is connected with a water outlet waterway (3) between the one-way valve (4) and the pretreatment filter element (5); the return water circuit (8) is divided into a first loop (12) and a second loop (13); a third electromagnetic valve (14) is arranged on the first loop (12), and the first loop (12) is connected with the water tank (1); and a fourth electromagnetic valve (15) is arranged on the second loop (13), and the second loop (13) is connected with a water outlet waterway (3) between the pretreatment filter element (5) and the booster pump (6).
2. The water purification system with double return water paths of claim 1, wherein: the membrane elements in the membrane system (2) are at least 1 group, and the membrane elements are connected in series or in parallel.
3. The water purification system with double return water paths of claim 2, wherein: the membrane system (2) is a reverse osmosis membrane, a nanofiltration membrane, an ultrafiltration membrane or a microfiltration membrane.
4. The water purification system with double return water paths of claim 1, wherein: and a wastewater ratio device (16) is arranged on the backflow waterway (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020786075.8U CN212425635U (en) | 2020-05-13 | 2020-05-13 | Water purification system with double return water paths |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020786075.8U CN212425635U (en) | 2020-05-13 | 2020-05-13 | Water purification system with double return water paths |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212425635U true CN212425635U (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020786075.8U Active CN212425635U (en) | 2020-05-13 | 2020-05-13 | Water purification system with double return water paths |
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| Country | Link |
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| CN (1) | CN212425635U (en) |
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2020
- 2020-05-13 CN CN202020786075.8U patent/CN212425635U/en active Active
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