CN212024973U - Sustainable water supply and drainage system of power plant - Google Patents
Sustainable water supply and drainage system of power plant Download PDFInfo
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- CN212024973U CN212024973U CN202020485116.XU CN202020485116U CN212024973U CN 212024973 U CN212024973 U CN 212024973U CN 202020485116 U CN202020485116 U CN 202020485116U CN 212024973 U CN212024973 U CN 212024973U
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Abstract
The utility model relates to a power plant sustainable water supply and drainage system, which comprises a reuse water system, a coal-containing wastewater treatment system, an oil-containing wastewater treatment system, an industrial wastewater treatment system and a domestic sewage treatment system, wherein the reuse water system is communicated with a plant area reuse water pipe network so as to realize the reuse of clean water in the reuse water system; the coal-containing wastewater treatment system is communicated with the reuse water system, and can purify coal-containing wastewater and discharge the purified coal-containing wastewater to the reuse water system; the oily wastewater treatment system is communicated with a reuse water system, and the oily wastewater treatment system can purify oily wastewater and then discharge the oily wastewater to the reuse water system; the domestic sewage treatment system is communicated with the reuse water system, and the domestic sewage treatment system can purify domestic sewage and then discharge the purified domestic sewage to the reuse water system. The utility model discloses can solve the problem that the purification degree of difficulty that various waste water mixes unified purification and causes is big, retrieval and utilization quality of water can not satisfy different demands.
Description
Technical Field
The utility model belongs to the technical field of electric power engineering, concretely relates to sustainable water supply and drainage system of power plant.
Background
A large amount of water sources need to be consumed in the working and running of a power plant, and with the increasingly prominent contradiction between supply and demand of water resources, the problems of water resource shortage and water pollution become important factors for restricting the development of the thermal power plant. The water resource is saved in the operation of the power plant mainly by reducing the water resource consumption in each link and improving the purification and reutilization efficiency of the waste water.
The inventor knows that in the process of purifying and recycling the wastewater, various types of wastewater (such as coal-containing wastewater, oil-containing wastewater and domestic sewage) are mixed and then uniformly treated, and then the treated wastewater is discharged into a sewer pipeline for recycling. The reuse water obtained by the purification treatment mode is difficult to realize refined sewage purification and reutilization; the water quality of the purified wastewater is inconvenient to control, and the requirements of different recycling water qualities of different recycling occasions of a plant area are not considered; increasing the difficulty of purification treatment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming above-mentioned prior art not enough, providing a sustainable water supply and drainage system of power plant, to the categorised purification treatment of waste water that contains different impurity, then utilize reuse water system to distribute reuse water pipe network to realize the cyclic recycling of waste water, reduced the consumption of water resource.
In order to achieve the above object, a first aspect of the present invention provides a sustainable water supply and drainage system for power plant, comprising a recycled water system, a coal-containing wastewater treatment system, an oil-containing wastewater treatment system, an industrial wastewater treatment system and a domestic sewage treatment system. The reuse water system is communicated with a plant reuse water pipe network so as to realize the reuse of clean water in the reuse water system; the coal-containing wastewater treatment system is communicated with the reuse water system, and can purify coal-containing wastewater and discharge the purified coal-containing wastewater to the reuse water system; the oily wastewater treatment system is communicated with a reuse water system, and the oily wastewater treatment system can purify oily wastewater and then discharge the oily wastewater to the reuse water system; the domestic sewage treatment system is communicated with the reuse water system, and the domestic sewage treatment system can purify domestic sewage and then discharge the purified domestic sewage to the reuse water system. The industrial wastewater treatment system is communicated with a reuse water system, and the industrial wastewater treatment system can purify industrial wastewater and then discharge the industrial wastewater to the reuse water system.
The beneficial effects of one or more of the above technical solutions are as follows:
the coal-containing wastewater treatment system, the oil-containing wastewater treatment system, the domestic wastewater treatment system and the like are respectively adopted to carry out the treatment processes of different types of wastewater, so that each wastewater treatment system can estimate the types and the contents of pollutants and impurities in the wastewater to be purified in advance, the purification treatment process in each wastewater treatment system is relatively fixed, and the efficiency and the quality of wastewater purification can be improved; obtaining the reuse water meeting the set water quality requirement.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is a schematic view of the overall structure in the embodiment of the present invention;
FIG. 2 is a schematic view of a coal-containing wastewater treatment system according to an embodiment of the present invention;
FIG. 3 is a schematic view of a reclaimed water system according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an oily wastewater treatment system in an embodiment of the present invention.
Fig. 5 is a schematic view of a domestic sewage treatment system in an embodiment of the present invention.
In the figure: 1. a coal-containing wastewater treatment system; 2. a reuse water system; 3. an oily wastewater treatment system; 4. a domestic sewage treatment system; 5. a coal-containing wastewater collection pipe network of a coal conveying structure; 6. a rainwater collection channel of a coal yard; 7. a plant rainwater collection pipe network; 8. an industrial wastewater collection pipe network; 9. off-site flood discharge facilities; 10. a raw water pretreatment system; 11. an oily wastewater collection pipe network; 12. a domestic sewage collecting pipe network; 13. a factory greening water pipe network; 14. a water pipe network is recycled in a plant area; 15. a unit drain tank; 16. a recurring industrial wastewater pond; 17. industrial wastewater treatment equipment; 18. a rain pool; 19. a diversion well; 20. a non-recurring industrial wastewater pond; 21. a chemical waste water pump;
101. a coal-containing wastewater sedimentation tank; 102. a coal-containing wastewater adjusting tank; 103. coal-containing wastewater treatment equipment; 201. recycling the clean water tank; 202. greening the pool; 203. a greening water pump; 204. a recycling water pump; 301. an oily wastewater adjusting tank; 302. an oil-water separator; 401. a domestic sewage adjusting tank; 402. a domestic sewage treatment facility; 1801. a rainwater pump; 1802. an industrial wastewater lift pump; 1803. an industrial wastewater lifting pond; 1804. a rainwater recycling pump.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
For convenience of description, the words "up, down, left, right" in the present invention, if appearing, are intended to correspond only to the upper, lower, left, right directions of the drawings themselves, not to limit the structure, but merely to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention.
In a typical embodiment of the present invention, as shown in fig. 1 to 5, a sustainable water supply and drainage system of a power plant includes a reuse water system 2, a coal-containing wastewater treatment system 1, an oil-containing wastewater treatment system 3, an industrial wastewater treatment system, and a domestic sewage treatment system 4. The reuse water system 2 is communicated with a plant area reuse water pipe network 14 so as to realize the reuse of clean water in the reuse water system 2; the coal-containing wastewater treatment system is communicated with the reuse water system 2, and the coal-containing wastewater treatment system 1 can purify coal-containing wastewater and then discharge the purified coal-containing wastewater to the reuse water system 2; the oily wastewater treatment system 3 is communicated with the reuse water system 2, and the oily wastewater treatment system 3 can purify oily wastewater and then discharge the oily wastewater to the reuse water system 2; domestic sewage treatment system 4 and reuse water system 2 intercommunication, domestic sewage treatment system 4 can be discharged to reuse water system 2 after purifying domestic sewage. The industrial wastewater treatment system is communicated with a reuse water system, and the industrial wastewater treatment system can purify industrial wastewater and then discharge the industrial wastewater to the reuse water system.
In some embodiments, the water outlet end of the reuse water system may be in communication with the raw water pretreatment system 10.
The water inlet end of the coal-containing wastewater treatment system 1 is communicated with a coal-containing wastewater collection pipe network 5 of a coal conveying structure, the water inlet end of the oil-containing wastewater treatment system 3 is communicated with an oil-containing wastewater collection pipe network 11, and the water inlet end of the domestic sewage treatment system 4 is communicated with a domestic sewage collection pipe network 12.
Specifically, the coal conveying structure wastewater collection pipe network can collect coal-containing wastewater at a coal conveying structure and coal-containing wastewater in a coal unloading area, and the specific arrangement mode and the structural form of the coal conveying structure wastewater collection pipe network are set by those skilled in the art according to the actual situation of a power plant, and are not described herein again, but should not be considered as being clear.
The coal-containing wastewater treatment system 1 comprises a coal-containing wastewater sedimentation tank 101, a coal-containing wastewater adjusting tank 102 and a coal-containing wastewater treatment device 103 which are sequentially communicated.
Specifically, the coal-containing wastewater sedimentation tank 101 is communicated with a coal-containing wastewater collection pipe network of a coal conveying structure, in this embodiment, the coal-containing wastewater sedimentation tank 101 is also communicated with a coal yard rainwater collection channel 6, and the coal yard rainwater collection channel can collect surface runoff polluted by a coal yard area.
The oily wastewater treatment system 3 comprises an oily wastewater adjusting tank 301 and an oil-water separator 302 which are sequentially communicated.
Specifically, the oily wastewater regulating reservoir 301 is communicated with the oily wastewater collecting pipe network 11, and the oily wastewater collecting pipe network 11 can collect oily wastewater in an oily equipment area of a main plant, oily wastewater in a transformer area and oily wastewater in an oil tank area.
It should be noted that the arrangement and structure of the oily wastewater collection pipe network 11 are determined by the actual conditions of the power plant, and can be set by those skilled in the art, and will not be described herein.
The domestic sewage treatment system 4 comprises a domestic sewage adjusting tank 401 and a domestic sewage treatment device 402 which are sequentially communicated.
Specifically, domestic sewage equalizing basin 401 collects building domestic sewage through domestic sewage collection pipe network 12, and domestic sewage collection pipe network 12's arrangement and structure are decided by the actual conditions of power plant, can be set by oneself by the technical staff in the field, and no longer give consideration to here.
Meanwhile, in the process of reusing water in a factory, the requirement of plants at the green belt on the quality of the reclaimed water is high, and the purification and reuse of most industrial wastewater cannot meet the use requirement of the industrial wastewater; in some recycled water systems, only one recycled water tank is arranged, and the requirements of different recycled water qualities cannot be met.
The reuse water system 2 comprises a reuse clean water tank 201 and a greening water tank 202, the water inlet end of the reuse clean water tank 201 is communicated with the tail end of the oily wastewater tank treatment system and the tail end of the coal-containing wastewater treatment system 1 respectively, and the water outlet end of the reuse clean water tank 201 is communicated with the plant area reuse water pipe network 14. The water inlet end of the greening water tank is communicated with the tail end of the domestic sewage treatment system 4, the water outlet end of the greening water tank is communicated with a plant greening water pipe network 13, and the greening water tank can overflow from the single direction to the recycling clean water tank 201.
Specifically, the domestic sewage is different from industrial sewage (coal-containing wastewater, oil-containing wastewater, and the like), wherein the impurities are treated and purified to realize irrigation of plants such as green belts, and the like, so that the reuse water system 2 is divided into a reuse clean water tank 201 and a greening water tank, the reuse clean water tank 201 is communicated to the plant area reuse water pipe network 14 through a reuse water pump 204, and the greening water tank is communicated to the plant area greening water pipe network 13 through a greening water pump 203.
The end of intaking of reuse water system 2 communicates with industrial wastewater treatment equipment 17's end, and industrial wastewater treatment equipment 17's end and industrial wastewater pool intercommunication of intaking, industrial wastewater pool's the end of intaking communicates with unit water drainage tank 15 in the power plant, the industrial wastewater that each unit produced in the power plant can be collected to unit water drainage tank 15.
The industrial wastewater pond is also in communication with an industrial wastewater lift pond 1803, which supplies water to a higher position industrial wastewater pond via an industrial wastewater lift pump 1802. The industrial wastewater lifting pond is communicated with the industrial wastewater collection pipe network 8 with the slope, and the industrial wastewater collection pipe network can collect regular industrial wastewater, air preheater wastewater and equipment accident drainage.
The industrial lagoons include a recurring industrial lagoon 16 and a non-recurring industrial lagoon 20, the recurring industrial lagoon 16 being capable of overflowing unidirectionally towards the non-recurring industrial lagoon 20.
Specifically, the unit drain tank 15 discharges the wastewater into the regular industrial wastewater tank 16 by the chemical wastewater pump 21.
This embodiment still includes rainwater processing system, rainwater processing system includes rainwater pond 18, rainwater pond 18 communicates through water pump and off-site flood discharge equipment and industrial wastewater pool respectively.
Specifically, the rainwater treatment system comprises a plant rainwater collecting pipe network 7, the plant rainwater collecting pipe network 7 can collect other rainwater in non-coal/oil areas and fire-fighting wastewater in case of fire, the plant rainwater collecting pipe network 7 can discharge the collected rainwater into a distribution well 19, and a discharge pipe of the distribution well 19 is communicated with a rainwater pool 18. A rainwater recycling pump 1804 and a rainwater pump 1801 are arranged in the rainwater pool 18, the rainwater recycling pump 1804 drives rainwater in the rainwater pool 18 to be discharged into the regular industrial wastewater pool 16, and the rainwater pump 1801 drives rainwater in the rainwater pool 18 to be discharged to the off-site flood discharge facility 9.
Meanwhile, when the amount of rainwater to be treated and recycled is large, the diversion well is communicated with the water inlet end of the coal-containing wastewater treatment system, and the coal-containing wastewater treatment system and the industrial wastewater treatment system are used for synchronously purifying and recycling the rainwater.
The working principle is as follows: when the device is used, the coal-containing wastewater treatment system is used for treating coal-containing wastewater, the oil-containing wastewater treatment system is used for treating oil-containing wastewater, the domestic sewage treatment system is used for treating domestic sewage, the industrial wastewater treatment system is used for treating industrial wastewater, then the oil-containing wastewater, the coal-containing wastewater and the like are treated and then discharged to a recycling clean water tank, and the domestic sewage is treated and then discharged to a greening water tank.
Clear water in the recycling clear water tank is conveyed to a position needing water through a recycling water pipeline, and the greening water tank is used for irrigating a greening belt through a factory greening water pipe network.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.
Claims (10)
1. A sustainable water supply and drainage system for a power plant is characterized by comprising
The reclaimed water system is communicated with a factory reclaimed water pipe network so as to realize the reclamation of clean water in the reclaimed water system;
the coal-containing wastewater treatment system is communicated with the reuse water system and can purify coal-containing wastewater and discharge the purified coal-containing wastewater to the reuse water system;
the oily wastewater treatment system is communicated with a reuse water system and can purify oily wastewater and discharge the oily wastewater to the reuse water system;
the domestic sewage treatment system is communicated with the reuse water system and can purify domestic sewage and then discharge the purified domestic sewage to the reuse water system;
the industrial wastewater treatment system is communicated with the reuse water system, and the industrial wastewater treatment system can purify industrial wastewater and then discharge the industrial wastewater to the reuse water system.
2. The sustainable water supply and drainage system for a power plant of claim 1, wherein the water inlet end of the coal-containing wastewater treatment system is communicated with a coal-containing wastewater collection pipe network of the coal transportation structure, the water inlet end of the oil-containing wastewater treatment system is communicated with the oil-containing wastewater collection pipe network, the water inlet end of the domestic sewage treatment system is communicated with a domestic sewage collection pipe network, and the water inlet end of the industrial wastewater treatment system is communicated with the industrial wastewater collection pipe network.
3. The sustainable water supply and drainage system of a power plant of claim 1, wherein the coal-containing wastewater treatment system comprises a coal-containing wastewater sedimentation tank, a coal-containing wastewater adjustment tank and a coal-containing wastewater treatment device which are sequentially communicated.
4. A sustainable water supply and drainage system for a power plant according to claim 1, wherein the oily wastewater treatment system comprises an oily wastewater regulating reservoir and an oil-water separator which are communicated in sequence.
5. The sustainable water supply and drainage system of a power plant of claim 1, wherein the domestic sewage treatment system comprises a domestic sewage adjusting tank and a domestic sewage treatment device which are communicated in sequence.
6. A sustainable water supply and drainage system for a power plant according to claim 1, wherein the industrial wastewater treatment system comprises an industrial wastewater lift pond, an industrial wastewater pond and an industrial wastewater treatment facility which are connected in sequence.
7. A sustainable water supply and drainage system for a power plant according to claim 6, wherein the industrial lagoons comprise recurring industrial lagoons and non-recurring industrial lagoons, the recurring industrial lagoons being capable of overflowing unidirectionally towards the non-recurring industrial lagoons.
8. A sustainable water supply and drainage system for a power plant according to claim 7, wherein the industrial waste water pond is capable of collecting regular industrial waste water, air preheater waste water and facility incident drain water through an industrial waste water collection pipe network.
9. The sustainable water supply and drainage system for power plants of claim 1, wherein the recycled water system comprises a recycled clean water tank and a green water tank, the water inlet end of the recycled clean water tank is respectively communicated with the tail end of the oily wastewater treatment system, the tail end of the coal-containing wastewater treatment system and the tail end of the industrial wastewater treatment system, and the water outlet end of the recycled clean water tank is communicated with a plant area recycled water pipe network.
10. A sustainable water supply and drainage system for a power plant as claimed in claim 9 wherein the water inlet end of the green water tank is connected to the end of the domestic sewage treatment system and the water outlet end of the green water tank is connected to the green water pipe network of the plant area, the green water tank can overflow the clean water tank in one direction.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020440036 | 2020-03-30 | ||
| CN2020204400362 | 2020-03-30 |
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| CN212024973U true CN212024973U (en) | 2020-11-27 |
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| CN202020485116.XU Active CN212024973U (en) | 2020-03-30 | 2020-04-03 | Sustainable water supply and drainage system of power plant |
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