CN215102338U - A primary desalination system based on the integration of activated carbon filter and reverse osmosis device - Google Patents
A primary desalination system based on the integration of activated carbon filter and reverse osmosis device Download PDFInfo
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- CN215102338U CN215102338U CN202120702562.6U CN202120702562U CN215102338U CN 215102338 U CN215102338 U CN 215102338U CN 202120702562 U CN202120702562 U CN 202120702562U CN 215102338 U CN215102338 U CN 215102338U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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Abstract
One-level desalination system based on activated carbon filter integrates with reverse osmosis unit, including the low pressure feed water pump, the low pressure feed water pump entry links to each other with the clear water case export, and the export links to each other with activated carbon filter, and activated carbon filter produces the water pipeline through activated carbon filter and links to each other with the inlet channel of safety filter, safety filter passes through the high-pressure pump and connects reverse osmosis unit, reverse osmosis unit produces water through reverse osmosis dense water discharge tube way and is connected to the trench on one hand, and another way produces water through reverse osmosis and produces water pipeline and produce water and connect the unqualified water recovery pipeline of producing of reverse osmosis on the water pipeline, and the unqualified water recovery pipeline of producing of reverse osmosis is circulated and is connected to the clear water case. The utility model discloses can effectively improve reverse osmosis unit's the quality of water of intaking, guarantee reverse osmosis unit safety and stability moves.
Description
Technical Field
The utility model relates to a water treatment technical field, concretely relates to one-level desalination system based on activated carbon filter integrates with reverse osmosis unit.
Background
At present, in a boiler feedwater treatment system of a power plant, a reverse osmosis device is widely applied as a primary desalting system treatment process, and the control of the inlet water quality of the reverse osmosis device is particularly important in order to ensure the safe, stable and efficient operation of the reverse osmosis device. In the actual production process, the case ratios that the reverse osmosis membrane and the cartridge filter element are polluted by organic matters and microorganisms are all that, the replacement period of the cartridge filter element and the cleaning period of the reverse osmosis are directly shortened; in addition, the reverse osmosis membrane is irreversibly damaged due to factors such as excessive dosage of the oxidizing bactericide in the pretreatment system, improper operation control and the like. These problems bring great economic loss to the power plant, and can cause the boiler make-up water treatment system to fail normal safe operation, even influence the steady operation of unit moreover.
Disclosure of Invention
In order to overcome the not enough of above-mentioned prior art, the utility model aims to provide a one-level desalination system based on activated carbon filter integrates with reverse osmosis unit can effectively improve reverse osmosis unit's the quality of water of intaking, ensures reverse osmosis unit safety and stability and moves.
In order to realize the purpose, the utility model discloses a technical scheme is:
one-level desalination system based on activated carbon filter integrates with reverse osmosis unit, including low pressure feed pump 2, 2 entry and the clear water tank 1 export of low pressure feed pump link to each other, and the export links to each other with activated carbon filter 3, and activated carbon filter 3 passes through activated carbon filter product water pipeline 5 and links to each other with the inlet channel of cartridge filter 12, cartridge filter 12 passes through high-pressure pump 13 and connects reverse osmosis unit 14, 14 sweetgum fruit of reverse osmosis unit is connected to the trench through dense water discharge line 20 on one way, and another way produces water through reverse osmosis product water pipeline 19, connects the unqualified product water recovery pipeline 23 of reverse osmosis on the reverse osmosis product water pipeline 19, and the unqualified product water recovery pipeline 23 of reverse osmosis is cycle connection to clear water tank 1.
An activated carbon filter water inlet pipeline 4, an activated carbon filter water production pipeline 5, an activated carbon filter exhaust pipeline 6, an activated carbon filter forward washing drainage pipeline 7, an activated carbon filter air inlet pipeline 8, an activated carbon filter backwashing water inlet pipeline 9 and an activated carbon filter backwashing drainage pipeline 10 are respectively arranged outside the activated carbon filter 3, the activated carbon filter water inlet pipeline 4 is connected with an outlet of the low-pressure water feed pump 2, the activated carbon filter exhaust pipeline 6 is located at the top of the activated carbon filter 3, a roots fan is arranged on the activated carbon filter air inlet pipeline 8, a backwashing water pump is arranged on the activated carbon filter backwashing water inlet pipeline 9, and the activated carbon filter backwashing drainage pipeline 10 and the activated carbon filter forward washing drainage pipeline 7 are connected to a trench.
The low-pressure water supply pump 2 is a centrifugal pump.
The water inlet device in the activated carbon filter 3 is of a wire winding structure, the outlet water is of a porous plate and water cap structure, and the filler is activated carbon with the particle size range of 0.63-2.00 mm.
The front end of the water inlet pipeline 4 of the activated carbon filter and the front end of the water production pipeline 5 of the activated carbon filter are connected in parallel to form an activated carbon filter bypass 11, and the activated carbon filter bypass 11 is provided with an electric butterfly valve.
The filtration precision of the cartridge filter 12 is 10 μm, and the water outlet pipeline is connected with the inlet pipeline of the high-pressure pump 13.
The high-pressure pump 13 is a variable frequency pump, a low-pressure switch 21 is arranged at the inlet of the high-pressure pump 13, and a high-pressure switch 22 is arranged at the outlet of the high-pressure pump.
The reverse osmosis device 14 adopts a first-stage and second-stage mode, a water inlet pipeline of the reverse osmosis device 14 is connected with an outlet pipeline of the high-pressure pump 13, and the connection part is connected with a flushing water pump through a reverse osmosis flushing pipeline 18.
A reverse osmosis device water inlet monitoring module 15 is arranged on a water inlet pipeline of the security filter 12, and an online pH meter, an online thermometer, an online residual chlorine meter and an online conductivity meter are arranged in the reverse osmosis device water inlet monitoring module 15; an unqualified water inlet and outlet pipeline 16 is arranged on an inlet pipeline of the security filter 12 between the water inlet monitoring module 15 of the reverse osmosis device and the security filter 12, the unqualified water inlet and outlet pipeline 16 is connected with a drainage ditch, and a manual butterfly valve and an electric butterfly valve are arranged on the unqualified water inlet and outlet pipeline 16.
The reverse osmosis water quality monitoring module 15 front portion sets up reverse osmosis water and adds medicine point pipeline mixer 17, the reverse osmosis is gone up to insert on the medicine point pipeline mixer 17 and is added three medicine pipelines altogether of antisludging agent, reductant and hydrochloric acid.
And a pneumatic valve is arranged on the reverse osmosis unqualified water production recovery pipeline 23.
The utility model has the advantages that:
the utility model discloses integrate the design with activated carbon filter and reverse osmosis unit, can realize integration a key start-up operation through control module, reduced operation personnel's operating strength. Meanwhile, organic matters, microorganisms and residual chlorine in the water fed by the reverse osmosis device can be effectively removed, the safety, reliability and stability of the reverse osmosis device as a primary desalting system are guaranteed, the replacement period of the cartridge filter element is prolonged, the cleaning frequency of the reverse osmosis device is reduced, and the labor cost and the economic cost brought by replacing the cartridge filter element and cleaning the reverse osmosis device are reduced.
Further, the primary desalination system can be organically integrated with the pretreatment and secondary desalination systems in the boiler makeup water treatment system.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein, 1 is a clean water tank, 2 is a low-pressure water supply pump, 3 is an activated carbon filter, 4 is an activated carbon filter water inlet pipeline, 5 is an activated carbon filter water production pipeline, 6 is an activated carbon filter exhaust pipeline, 7 is an activated carbon filter forward washing drainage pipeline, 8 is an activated carbon filter air inlet pipeline, 9 is an activated carbon filter backwashing water inlet pipeline, 10 is an activated carbon filter backwashing drainage pipeline, 11 is an activated carbon filter bypass, 12 is a security filter, 13 is a high-pressure pump, 14 is a reverse osmosis device, 15 is a reverse osmosis inlet water quality monitoring module, 16 is an unqualified inlet water discharge pipeline, 17 is a reverse osmosis inlet water dosing point pipeline mixer, 18 is a reverse osmosis flushing pipeline, 19 is a reverse osmosis water production pipeline, 20 is a reverse osmosis concentrated water discharge pipeline, 21 is a low-pressure switch, 22 is a high-pressure switch, and 23 is a reverse osmosis unqualified water production recovery pipeline.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in figure 1, the one-level desalination system based on activated carbon filter and reverse osmosis device integration comprises a clean water tank 1, a low-pressure water supply pump 2, an activated carbon filter 3, an activated carbon filter water inlet pipeline 4, an activated carbon filter water production pipeline 5, an activated carbon filter exhaust pipeline 6, an activated carbon filter forward washing and draining pipeline 7, an activated carbon filter air inlet pipeline 8 and a Roots blower, an activated carbon filter reverse washing and water inlet pipeline 9 and a reverse washing water pump, an activated carbon filter reverse washing and draining pipeline 10, an activated carbon filter bypass 11, a security filter 12, a high-pressure pump 13, a reverse osmosis device 14, a reverse osmosis inlet water quality monitoring module 15, an unqualified inlet water discharging pipeline 16, a reverse osmosis inlet water dosing pipeline mixer 17, a reverse osmosis flushing pipeline 18 and a flushing water pump, a reverse osmosis water production pipeline 19, a reverse osmosis concentrated water discharging pipeline 20, A low pressure switch 21, a high pressure switch 22 and a reverse osmosis unqualified produced water recovery pipeline 23.
The low-pressure water feeding pump 2 is a centrifugal pump, the inlet of the low-pressure water feeding pump 2 is connected with the outlet of the clean water tank 1, and the outlet is connected with the activated carbon filter 3.
The water inlet device in the activated carbon filter 3 is of a wire winding structure, the outlet water is of a porous plate and water cap structure, and the filler is activated carbon with the particle size range of 0.63-2.00 mm.
And an activated carbon filter water inlet pipeline 4, an activated carbon filter water production pipeline 5, an activated carbon filter exhaust pipeline 6, an activated carbon filter forward washing drainage pipeline 7, an activated carbon filter air inlet pipeline 8, an activated carbon filter backwashing water inlet pipeline 9 and an activated carbon filter backwashing drainage pipeline 10 are respectively arranged outside the activated carbon filter 3. The water inlet pipeline 4 of the activated carbon filter is connected with the outlet pipeline of the low-pressure water feeding pump 2, and the water production pipeline 5 is connected with the water inlet pipeline of the security filter 12. The activated carbon filter air inlet pipeline 8 is connected with the activated carbon filter backwashing roots blower, the activated carbon filter backwashing water inlet pipeline 9 is connected with the activated carbon filter backwashing water pump outlet, and the activated carbon filter backwashing drainage pipeline 10 and the activated carbon filter forward washing drainage pipeline 7 are connected to the trench.
The activated carbon filter bypass 11 is provided with an electric butterfly valve and a pipeline, and the activated carbon filter bypass can be automatically carried out according to the actual water quality condition in the actual operation process.
The filtration precision of the cartridge filter 12 is 10 μm, and the water outlet pipeline is connected with the inlet pipeline of the high-pressure pump 13.
The high-pressure pump 13 is a variable frequency pump, a low-pressure switch 21 is arranged at the inlet of the high-pressure pump 13, and a high-pressure switch 22 is arranged at the outlet of the high-pressure pump 13, so that the safe operation of the high-pressure pump 13 is guaranteed.
The reverse osmosis device 14 adopts a one-stage two-stage mode, a water inlet pipeline is connected with an outlet pipeline of the high-pressure pump 13, a flushing water pipeline is connected with an outlet of a reverse osmosis flushing water pump, and reverse osmosis concentrated water discharge pipelines 20 are all connected to a trench.
An online pH meter, an online thermometer, an online residual chlorine meter, an online conductivity meter and an online SDI meter are arranged in the reverse osmosis device water inlet monitoring module 15, and the water inlet quality condition of the reverse osmosis device 14 is monitored in real time.
The unqualified water inlet and discharge pipeline 16 is arranged on an inlet pipeline of the security filter 12 and is connected with a drainage ditch, and a manual butterfly valve and an electric butterfly valve are arranged on the unqualified water inlet and discharge pipeline 16. And the unqualified water inlet and discharge pipeline 16 is used for the positive washing drainage of the activated carbon and the discharge of unqualified produced water at the initial commissioning stage, and after the water quality is monitored to be qualified by the reverse osmosis device water inlet monitoring module 15, the electric butterfly valve on the unqualified water inlet and discharge pipeline 16 is automatically closed to flush and commission the reverse osmosis device.
The reverse osmosis water feeding and dosing point pipeline mixer 17 is arranged in front of the reverse osmosis water feeding and dosing water quality monitoring module 15, and three dosing pipelines of scale inhibitor, reducing agent and hydrochloric acid are connected to the reverse osmosis water feeding and dosing point pipeline mixer 17.
The pneumatic valve is arranged on the reverse osmosis unqualified produced water recovery pipeline 23, and the reverse osmosis unqualified produced water recovery pipeline 23 is connected to the clear water tank 1 to automatically recover the reverse osmosis unqualified produced water.
The utility model discloses specific operation process does:
the incoming water passes through a clean water tank 1, a low-pressure water supply pump 2, an activated carbon filter 3, a cartridge filter 12, a high-pressure pump 13 and a reverse osmosis device 14 in sequence. Before the system runs, water must be filled, when the activated carbon filter 3 is positively washed, an electric valve on the unqualified water inlet and discharge pipeline 16 is opened, the positive washing and water discharge of the activated carbon filter 3 is discharged, and the reverse osmosis device 14 is in a state to be washed; after the positive washing of the activated carbon filter 3 is qualified, the electric valve on the unqualified water inlet and discharge pipeline 16 is automatically closed, the low-pressure serial washing stage of the activated carbon filter 3 and the reverse osmosis device 14 is switched to, after 5min, the high-pressure pump is started, and the reverse osmosis device 14 is switched to the running state.
Claims (10)
1. A primary desalting system based on integration of an activated carbon filter and a reverse osmosis device is characterized by comprising a low-pressure water feed pump (2), wherein an inlet of the low-pressure water feed pump (2) is connected with an outlet of a clear water tank (1), an outlet of the low-pressure water feed pump is connected with an activated carbon filter (3), the activated carbon filter (3) is connected with a water inlet pipeline of a security filter (12) through an activated carbon filter water production pipeline (5), the cartridge filter (12) is connected with a reverse osmosis device (14) through a high-pressure pump (13), one path of the reverse osmosis device (14) is connected to a trench through a reverse osmosis concentrated water discharge pipeline (20), the other path of the reverse osmosis device produces water through a reverse osmosis water production pipeline (19), a reverse osmosis unqualified water production recovery pipeline (23) is connected to the reverse osmosis water production pipeline (19), and the reverse osmosis unqualified water production recovery pipeline (23) is circularly connected to the clear water tank (1).
2. The primary desalination system based on the integration of an activated carbon filter and a reverse osmosis device as claimed in claim 1, wherein an activated carbon filter water inlet pipeline (4), an activated carbon filter water production pipeline (5), an activated carbon filter exhaust pipeline (6), an activated carbon filter forward washing drainage pipeline (7), an activated carbon filter air inlet pipeline (8), an activated carbon filter backwashing water inlet pipeline (9) and an activated carbon filter backwashing drainage pipeline (10) are respectively arranged outside the activated carbon filter (3), the activated carbon filter water inlet pipeline (4) is connected with an outlet of the low-pressure water feed pump (2), the activated carbon filter exhaust pipeline (6) is positioned at the top of the activated carbon filter (3), a roots blower is arranged on the activated carbon filter air inlet pipeline (8), and a backwashing water pump is arranged on the activated carbon filter backwashing water inlet pipeline (9), the output ends of the backwashing drainage pipeline (10) of the activated carbon filter and the forward washing drainage pipeline (7) of the activated carbon filter are connected to the trench.
3. The primary desalination system based on the integration of the activated carbon filter and the reverse osmosis device as claimed in claim 1, wherein the water inlet device inside the activated carbon filter (3) is of a wire winding structure, the outlet water is of a porous plate and water cap structure, and the filler is activated carbon with a particle size range of 0.63-2.00 mm.
4. The primary desalination system based on activated carbon filter and reverse osmosis device integration of claim 1, characterized in that a activated carbon filter bypass (11) is connected in parallel at the front end of the activated carbon filter water inlet pipeline (4) and the front end of the activated carbon filter water production pipeline (5), and an electric butterfly valve is arranged on the activated carbon filter bypass (11).
5. The primary desalination system based on activated carbon filter and reverse osmosis device integration of claim 1, characterized in that the cartridge filter (12) has a filtration precision of 10 μm, and the water outlet pipeline is connected with the inlet pipeline of the high pressure pump (13).
6. The primary desalination system based on activated carbon filter and reverse osmosis unit integration of claim 1, characterized in that, the low pressure feed pump (2) is a centrifugal pump, the high pressure pump (13) is a variable frequency pump, the inlet of the high pressure pump (13) is provided with a low pressure switch (21), and the outlet is provided with a high pressure switch (22).
7. The primary desalination system based on activated carbon filter and reverse osmosis device integration of claim 1, characterized in that, the reverse osmosis device (14) adopts a primary and secondary mode, a water inlet pipeline of the reverse osmosis device (14) is connected with an outlet pipeline of the high-pressure pump (13), and a flushing water pump is connected at the connection position through a reverse osmosis flushing pipeline (18).
8. The primary desalination system based on the integration of an activated carbon filter and a reverse osmosis device as claimed in claim 1, wherein a reverse osmosis device water inlet monitoring module (15) is arranged on a water inlet pipeline of the cartridge filter (12), and an online pH meter, an online thermometer, an online residual chlorine meter and an online conductance meter are arranged in the reverse osmosis device water inlet monitoring module (15); an unqualified water inlet and outlet pipeline (16) is arranged on a security filter (12) inlet pipeline between a reverse osmosis device water inlet monitoring module (15) and the security filter (12), the unqualified water inlet and outlet pipeline (16) is connected with a drainage ditch, and a manual butterfly valve and an electric butterfly valve are arranged on the unqualified water inlet and outlet pipeline (16).
9. The primary desalination system based on activated carbon filter and reverse osmosis device integration of claim 8, characterized in that reverse osmosis influent water quality monitoring module (15) front portion sets up reverse osmosis influent dosing point pipeline mixer (17), on reverse osmosis influent dosing point pipeline mixer (17) insert antisludging agent, reducing agent and hydrochloric acid totally three medicine-adding pipelines.
10. The primary desalination system based on activated carbon filter and reverse osmosis device integration of claim 1, characterized in that a pneumatic valve is arranged on the reverse osmosis unqualified produced water recovery pipeline (23).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120702562.6U CN215102338U (en) | 2021-04-07 | 2021-04-07 | A primary desalination system based on the integration of activated carbon filter and reverse osmosis device |
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| CN202120702562.6U CN215102338U (en) | 2021-04-07 | 2021-04-07 | A primary desalination system based on the integration of activated carbon filter and reverse osmosis device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114873776A (en) * | 2022-04-24 | 2022-08-09 | 广西下田锰矿有限责任公司 | Boiler makeup water deep desalting system and method |
| CN116924636A (en) * | 2023-09-06 | 2023-10-24 | 华能山东石岛湾核电有限公司 | A method for preparing desalted water for high-temperature gas-cooled reactors |
-
2021
- 2021-04-07 CN CN202120702562.6U patent/CN215102338U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114873776A (en) * | 2022-04-24 | 2022-08-09 | 广西下田锰矿有限责任公司 | Boiler makeup water deep desalting system and method |
| CN116924636A (en) * | 2023-09-06 | 2023-10-24 | 华能山东石岛湾核电有限公司 | A method for preparing desalted water for high-temperature gas-cooled reactors |
| CN116924636B (en) * | 2023-09-06 | 2025-06-27 | 华能山东石岛湾核电有限公司 | Preparation method of desalted water for high-temperature gas cooled reactor |
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