CN217578497U - Zero-emission treatment system for circular water bypass - Google Patents
Zero-emission treatment system for circular water bypass Download PDFInfo
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- CN217578497U CN217578497U CN202220267549.7U CN202220267549U CN217578497U CN 217578497 U CN217578497 U CN 217578497U CN 202220267549 U CN202220267549 U CN 202220267549U CN 217578497 U CN217578497 U CN 217578497U
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Abstract
The utility model discloses a circulating water bypass zero-emission treatment system, which comprises a water suction well and a raw water tank, wherein the raw water tank is connected with a low-concentration sewage treatment system, the low-concentration sewage treatment system comprises a water supply pump connected with the raw water tank, the water supply pump is connected with an activated carbon filter through a multi-media filter, and the activated carbon filter is connected with an ultrafiltration system through a self-cleaning filter; the ultrafiltration system comprises a cleaning box, and the cleaning box is connected with a cleaning filter through a cleaning pump; the ultrafiltration system is connected with reverse osmosis unit through wasing the filter, reverse osmosis unit includes the middle water tank of being connected with washing the filter, the utility model discloses a system's drainage such as low concentration sewage treatment system, ultrafiltration system, reverse osmosis unit passes through the ditch and emits into the bilge well nearby, realizes near zero release, solves open-type recirculating cooling water system dense water discharge problem, reaches "near zero" discharge target.
Description
Technical Field
The utility model relates to a zero release processing system especially relates to a water bypass zero release processing system, belongs to water treatment technical field.
Background
The circulating cooling water system of the household garbage incineration power plant adopts an open circulating cooling water system, solves the problem of concentrated water discharge of the circulating cooling system, and realizes the purpose of near-zero discharge of waste water. Cooling water in the system is sent into the condenser through the circulating water pump for heat exchange, and the heated cooling water flows into a water pool at the bottom of the cooling tower after being cooled by the cooling tower and then is sent into the condenser through the circulating water pump for recycling. The cooling water thus recycled is called circulating cooling water. The system is characterized in that: CO2 loss and salt concentration; scaling and corrosion problems are easy to generate; the water has sufficient dissolved oxygen; the breeding of microorganisms is facilitated by the illumination and the proper temperature; since the cooling water washes the air in the cooling tower, the generation of slime is increased.
Open type circulating cooling water systems are mostly adopted by various environmental protection energy companies in the past, after the water quality exceeds the water quality standard (GB 50050-1995) control index requirement of circulating cooling water, a bypass high-speed filter is adopted for simple filtration and recycling, and a large amount of flushing water of the filter is discharged to natural water. The bypass membrane treatment system has the problem of concentrated water treatment mostly, and near zero emission cannot be realized.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a circulating water bypass zero-emission treatment system.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
designing a circulating water bypass zero-emission treatment system, which comprises a suction well and a raw water tank, wherein the raw water tank is connected with a low-concentration sewage treatment system, the low-concentration sewage treatment system comprises a water supply pump connected with the raw water tank, the water supply pump is connected with an activated carbon filter through a multi-media filter, and the activated carbon filter is connected with an ultrafiltration system through a self-cleaning filter;
the ultrafiltration system comprises a cleaning box, and the cleaning box is connected with a cleaning filter through a cleaning pump;
the ultrafiltration system is connected with reverse osmosis unit through wasing the filter, reverse osmosis unit includes the middle water tank of being connected with washing the filter, the cartridge filter is connected through the ultrafiltration water pump of middle water tank, cartridge filter passes through the high-pressure pump and connects dense water collecting pit, dense water collecting pit passes through the filtration backwash pump and connects active carbon filter.
Preferably, the middle water tank is connected with a backwashing filter pump through a backwashing water pump, and the backwashing filter pump is circularly connected with the middle water tank.
Preferably, an acid and alkali dosing device is arranged between the backwashing filter pump and the middle water tank.
Preferably, a reducing and antisludging agent dosing device is connected between the ultrafiltration water pump and the cartridge filter.
Preferably, the activated carbon filter is connected with a drainage pump through a backwashing water collection tank.
The utility model provides a pair of circulating water bypass zero release processing system, beneficial effect lies in, the utility model discloses a system's drainage such as low concentration sewage treatment system, ultrafiltration system, reverse osmosis unit passes through the ditch and emits into sewage well nearby, realizes near zero release, solves open-type recirculating cooling water system dense water discharge problem, reaches "near zero" discharge target.
Drawings
FIG. 1 is a schematic view of a system for treating zero emission of a circular water bypass according to the present invention;
fig. 2 is the utility model provides a water balance schematic diagram of a circulating water bypass zero release treatment system.
In the figure: the device comprises a water suction well 1, a raw water tank 2, a water supply pump 3, a multi-media filter 4, an activated carbon filter 5, a self-cleaning filter 6, an ultrafiltration system 7, a cleaning tank 8, a cleaning pump 9, a cleaning filter 10, an intermediate water tank 11, an ultrafiltration water pump 12, a security filter 13, a high-pressure pump 14, a reverse osmosis device 15, a filtration and backwashing pump 16, a concentrated water collecting tank 17, a backwashing water collecting tank 18, a drainage pump 19, a backwashing water pump 20, a backwashing filter pump 21, an acid-base dosing device 22, and a reduction and scale inhibitor dosing device 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, the system comprises a suction well 1 and a raw water tank 2, wherein the raw water tank 2 is connected with a low-concentration sewage treatment system, the low-concentration sewage treatment system comprises a water supply pump 3 connected with the raw water tank 2, the water supply pump 3 is connected with an activated carbon filter 5 through a multi-media filter 4, and the activated carbon filter 5 is connected with an ultrafiltration system 7 through a self-cleaning filter 6;
the ultrafiltration system 7 comprises a cleaning tank 8, and the cleaning tank 8 is connected with a cleaning filter 10 through a cleaning pump 9;
the ultrafiltration system 7 is connected with a reverse osmosis device 15 through a cleaning filter 10, the reverse osmosis device 15 comprises an intermediate water tank 11 connected with the cleaning filter 10, the intermediate water tank 11 is connected with a security filter 13 through an ultrafiltration water pump 12, the security filter 13 is connected with a concentrated water collecting tank 17 through a high-pressure pump 14, and the concentrated water collecting tank 17 is connected with an active carbon filter 5 through a filtration backwashing pump 16.
Wherein, the middle water tank 11 is connected with a backwashing filter pump 21 through a backwashing water pump 20, and the backwashing filter pump 21 is circularly connected with the middle water tank 11.
Wherein, an acid and alkali dosing device 22 is arranged between the backwashing filter pump 21 and the middle water tank 11.
Wherein, a reducing and antisludging agent dosing device 23 is connected between the ultrafiltration water pump 12 and the cartridge filter 13.
Wherein, the activated carbon filter 5 is connected with a drainage pump 19 through a backwashing water collecting tank 18.
The working principle is as follows: matched with an acid-base dosing device 22, a scale inhibitor dosing device 23, a super-ultrafiltration system 7 and a reverse osmosis device 15. The matched acid-base dosing device 22, the original scale inhibitor dosing device 23 and the scale inhibitor dosing device 23 are required to be arranged in a unified mode, a dispensing and inspection channel is arranged, and the matched acid-base dosing device 22, the original scale inhibitor dosing device 23 and the scale inhibitor dosing device are completely assembled. The system is provided with a concentrated water tank for collecting the concentrated water of the reverse osmosis system, the concentrated water is used as the backwashing water of the multi-media filter 4, and the backwashing water of the multi-media filter 4 is respectively discharged to a low-concentration water tank of a percolate plant, a middle water tank of a two-branch plant and a process water tank of a lime pulping system of the one-branch plant. Arranging a pipeline, wherein one pipeline is connected to a percolate treatment plant and a tee joint is connected to a middle water pool of a secondary plant and a low-concentration water pool of the percolate treatment plant respectively; one way is to a lime pulping water supply pipe in a flue gas treatment area of a main plant of a branch plant, a butt joint is arranged in a flue gas purification area, and a concentrated water emergency discharge port needs to be arranged to a nearby sewage well. In view of the influence of the shutdown of the system on the water for lime pulping, a pipeline from the outlet of the raw water pump to the concentrated water tank and a corresponding valve are required to be arranged at the same time, so that the water supply for lime pulping is ensured.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a water circulation bypass zero release processing system which characterized in that: the system comprises a water suction well (1) and a raw water tank (2), wherein the raw water tank (2) is connected with a low-concentration sewage treatment system, the low-concentration sewage treatment system comprises a water supply pump (3) connected with the raw water tank (2), the water supply pump (3) is connected with an activated carbon filter (5) through a multi-media filter (4), and the activated carbon filter (5) is connected with an ultrafiltration system (7) through a self-cleaning filter (6);
the ultrafiltration system (7) comprises a cleaning box (8), and the cleaning box (8) is connected with a cleaning filter (10) through a cleaning pump (9);
ultrafiltration system (7) are connected with reverse osmosis unit (15) through washing filter (10), reverse osmosis unit (15) include with wash middle water tank (11) that filter (10) are connected, the cartridge filter (13) is connected through ultrafiltration water pump (12) of middle water tank (11), cartridge filter (13) are connected dense water collecting pit (17) through high-pressure pump (14), dense water collecting pit (17) are through filtering backwash pump (16) connection active carbon filter (5).
2. The system of claim 1, wherein the intermediate water tank (11) is connected with a backwashing filter pump (21) through a backwashing water pump (20), and the backwashing filter pump (21) is circularly connected with the intermediate water tank (11).
3. The system of claim 2, wherein an acid-base dosing device (22) is arranged between the backwashing filter pump (21) and the intermediate water tank (11).
4. The system of claim 1, wherein a reducing and scale inhibitor dosing device (23) is connected between the ultrafiltration water pump (12) and the cartridge filter (13).
5. The system of claim 1, wherein the carbon filter (5) is connected with a drain pump (19) through a backwash water collection tank (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220267549.7U CN217578497U (en) | 2022-02-10 | 2022-02-10 | Zero-emission treatment system for circular water bypass |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220267549.7U CN217578497U (en) | 2022-02-10 | 2022-02-10 | Zero-emission treatment system for circular water bypass |
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| CN217578497U true CN217578497U (en) | 2022-10-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116216974A (en) * | 2022-12-28 | 2023-06-06 | 广州环投从化环保能源有限公司 | Reclaimed water recycling system |
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2022
- 2022-02-10 CN CN202220267549.7U patent/CN217578497U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116216974A (en) * | 2022-12-28 | 2023-06-06 | 广州环投从化环保能源有限公司 | Reclaimed water recycling system |
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