CN210237365U - Waste water recycling system of gas power plant - Google Patents
Waste water recycling system of gas power plant Download PDFInfo
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- CN210237365U CN210237365U CN201920898293.8U CN201920898293U CN210237365U CN 210237365 U CN210237365 U CN 210237365U CN 201920898293 U CN201920898293 U CN 201920898293U CN 210237365 U CN210237365 U CN 210237365U
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Abstract
The utility model discloses a waste water recycling system of a gas power plant, belonging to the field of waste water recycling; the technical problem to be solved is to provide a wastewater recycling system which can effectively recycle domestic sewage and production drainage after treatment; the technical scheme for solving the technical problem is as follows: a waste water recycling system of a gas power plant comprises a cooling regulating reservoir, wherein an inlet of the cooling regulating reservoir is connected with a micro sewage treatment station, a gas dehydration system, a back flush water pipeline and a waste heat sewage drain outlet of a waste heat boiler; the utility model discloses but wide application in waste water recovery field.
Description
Technical Field
The utility model relates to a gas power plant waste water recovery utilizes system belongs to waste water recovery technical field.
Background
The waste water of gas power plant's emission mainly includes domestic sewage, the water treatment workshop drainage, boiler blow-off water, gas drainage, cooling tower blow-off water, wherein except domestic sewage, other industrial waste water biodegradability is all relatively poor, but quality of water is better, to these sewage or the traditional way of drainage carry out the regular transportation after collecting domestic sewage through the sewage collecting pit, industrial waste water generally carries out the direct discharge after simply handling, the sewage of direct discharge has caused very big destruction to the surrounding environment, simple processing can't satisfy emission standard.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes the defects in the prior art and provides a waste water recycling system which can effectively recycle domestic sewage and production drainage after treatment.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a waste water recovery utilizes system of gas power plant, including life drainage system, miniature sewage treatment station, gas dewatering system, demineralized water treatment system, exhaust-heat boiler, airtight cooling tower, the evaporation crystal system, life drainage system links to each other with miniature sewage treatment station, demineralized water treatment system export includes backwash water pipeline and strong brine pipeline, still include the cooling equalizing basin, the entry and the miniature sewage treatment station of cooling equalizing basin, gas dewatering system, backwash water pipeline, exhaust-heat boiler waste heat drain links to each other, the export of cooling equalizing basin links to each other with airtight cooling tower entry, strong brine pipeline in airtight cooling tower blowdown export and the demineralized water treatment system links to each other with the evaporation crystal system entry simultaneously, the evaporation crystal system export links to each other with the exhaust-heat boiler moisturizing mouth.
And a plurality of partition plates are arranged in the cooling adjusting tank.
And an electrochemical descaling device is arranged on the closed cooling tower.
Compared with the prior art, the utility model has the advantages that domestic drainage is discharged into a sewage treatment station to be treated and is discharged into a cooling regulation pool after reaching the standard, backwashing water in a desalted water treatment system, waste heat boiler sewage and gas are dehydrated and discharged into the cooling regulation pool, the treated sewage is reused as the make-up water of a closed cooling tower after reaching the standard, the sewage of the closed cooling tower and the strong brine in the desalted water treatment system are discharged into an evaporative crystallization system to be evaporated, the treated distilled water is reused as the make-up water of a waste heat boiler, zero discharge of waste water is realized, the reuse rate of industrial water of the gas power plant is improved, the water consumption of the gas power plant is reduced, the damage of the gas power plant to the surrounding environment is eliminated, a plurality of clapboards are arranged in the cooling regulation pool simultaneously, the sewage can be precipitated, an electrochemical descaling device is arranged in the closed cooling tower, the concentration multiple of the spray water can be improved, and the burden of the subsequent treatment link is reduced.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1 is a living water drainage system, 2 is a living water drainage pipeline, 3 is a micro sewage treatment station, 4 is a water outlet pipeline of the micro sewage treatment station, 5 is a demineralized water treatment system, 6 is backwash water, 7 is strong brine, 8 is a waste heat boiler, 9 is waste heat boiler sewage, 10 is a gas dehydration system, 11 is a gas dehydration pipeline, 12 is a cooling regulation pool, 13 is a closed cooling tower water replenishing pipeline, 14 is a closed cooling tower, 15 is an electrochemical descaling device, 16 is a closed cooling tower sewage draining pipeline, 17 is an evaporative crystallization system, and 18 is a water replenishing pipeline.
Detailed Description
As shown in figure 1, the utility model relates to a waste water recycling system of a gas power plant, which comprises a domestic drainage system 1, a micro sewage treatment station 3, a gas dewatering system 10, a demineralized water treatment system 5, a waste heat boiler 8, a closed cooling tower 14, an evaporative crystallization system 17, wherein the domestic drainage system 1 is connected with the micro sewage treatment station 3, an outlet of the demineralized water treatment system 5 comprises a backwashing water pipeline 6 and a strong brine pipeline 7, and further comprises a cooling regulating reservoir 12, an inlet of the cooling regulating reservoir 12 is connected with the micro sewage treatment station 3, the gas dewatering system 10, the backwashing water pipeline 6, a waste heat sewage outlet 9 of the waste heat boiler, an outlet of the cooling regulating reservoir 12 is connected with an inlet of the closed cooling tower 14, a sewage outlet of the closed cooling tower 14 is connected with the strong brine pipeline 7 in the demineralized water treatment system 5 and an inlet of the evaporative crystallization system 17 at the same time, an outlet of the evaporative crystallization system 17 is connected with a water replenishing port of the waste heat boiler, a plurality of clapboards are arranged in the cooling regulating reservoir 12, and an electrochemical descaling device 15 is arranged on the closed cooling tower 14.
When the utility model is used, the domestic sewage discharged by the domestic drainage system enters the WeChat sewage treatment station through the domestic drainage pipeline for treatment, and is discharged into the cooling adjusting tank for direct recycling after the treatment is qualified; the concentration of suspended matters in backwash water in a demineralized water treatment system exceeds the cooling water standard in urban sewage recycling and is also discharged into a cooling adjusting tank for recycling, a partition plate and an inclined pipe can be arranged in the cooling adjusting tank when necessary, and the backwash water is subjected to precipitation treatment and recycling; the temperature of the sewage discharged by the preheating boiler is higher, and the sewage is discharged into a cooling regulating reservoir to be mixed with other low-temperature wastewater for cooling, so that the standard of cooling water in urban sewage recycling can be met; the water quality in the gas dehydration system meets the cooling water standard in urban sewage recycling and can be discharged into a cooling regulation pool for direct recycling; the water entering the cooling regulation pool can meet the cooling water standard in urban sewage recycling after being homogenized and regulated, so the water can be used for replenishing water in a closed cooling tower, industrial water can be replenished when the water in the closed cooling tower is insufficient, the blowdown water of the closed cooling tower and strong brine in a demineralized water treatment system can not be recycled due to high salt content, the strong brine are discharged into an evaporative crystallization system for evaporation treatment, distilled water is generated after treatment, the part of distilled water meets the water replenishing standard of a steam boiler in industrial boiler water quality and can be reused as replenishing water of a waste heat boiler, and crystallized salt generated by evaporation is recycled, and by the circulation mode, the wastewater can be realized, the closed cooling tower is provided with an electrochemical descaling device on a spray water pipe, calcium and magnesium ions in spray water can be removed in time, and the concentration multiple of the spray water is improved, the water discharge amount of the evaporative crystallization system is reduced, and the operation cost is reduced.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (3)
1. The utility model provides a waste water recovery utilizes system of gas power plant, includes life drainage system (1), miniature sewage treatment station (3), gas dewatering system (10), demineralized water processing system (5), exhaust-heat boiler (8), airtight cooling tower (14), evaporative crystallization system (17), life drainage system (1) links to each other with miniature sewage treatment station (3), demineralized water processing system (5) export includes back flush water pipeline (6) and strong brine pipeline (7), its characterized in that: still include cooling equalizing basin (12), the entry and miniature sewage treatment station (3) of cooling equalizing basin (12), gas dewatering system (10), backwash water pipeline (6), exhaust-heat boiler waste heat drain (9) link to each other, the export and the airtight cooling tower (14) entry of cooling equalizing basin (12) link to each other, strong brine pipeline (7) in airtight cooling tower (14) blowdown export and the demineralized water processing system (5) link to each other with evaporation crystallization system (17) entry simultaneously, evaporation crystallization system (17) export links to each other through moisturizing pipeline (18) with exhaust-heat boiler moisturizing mouth.
2. The system of claim 1, wherein the system comprises: and a plurality of partition plates are arranged in the cooling adjusting tank (12).
3. The system of claim 1, wherein the system comprises: an electrochemical descaling device (15) is arranged on the closed cooling tower (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920898293.8U CN210237365U (en) | 2019-06-14 | 2019-06-14 | Waste water recycling system of gas power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920898293.8U CN210237365U (en) | 2019-06-14 | 2019-06-14 | Waste water recycling system of gas power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210237365U true CN210237365U (en) | 2020-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920898293.8U Active CN210237365U (en) | 2019-06-14 | 2019-06-14 | Waste water recycling system of gas power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210237365U (en) |
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2019
- 2019-06-14 CN CN201920898293.8U patent/CN210237365U/en active Active
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