CN212479355U - Open circulating water comprehensive utilization device of thermal power factory - Google Patents
Open circulating water comprehensive utilization device of thermal power factory Download PDFInfo
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- CN212479355U CN212479355U CN202020967424.6U CN202020967424U CN212479355U CN 212479355 U CN212479355 U CN 212479355U CN 202020967424 U CN202020967424 U CN 202020967424U CN 212479355 U CN212479355 U CN 212479355U
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Abstract
The utility model discloses a thermal power factory open circulating water comprehensive utilization device, include: each water outlet pipeline is connected to a confluence pipeline through a manual stop valve a, the confluence pipeline is connected with an inlet of the seawater desalination device through a water supply pipeline, a water supply point a on the water supply pipeline is connected with an inlet of a first station cooling water pipeline through a manual stop valve b, and a water supply point b on the water supply pipeline is connected with an inlet of an aeration fan oil station through a manual stop valve c; the outlet a of the seawater desalination device is connected with the electrolytic chlorine production water tank, the outlet b of the seawater desalination device is connected with the heat supply primary heating network pipeline, and the outlet c of the seawater desalination device is connected with the filtering water tank. The device can provide the water source for sea water desalination device, provide cooling water for aeration fan oil station, provide the water source for the first station cooling water pipeline of heat supply to the station power has been saved.
Description
Technical Field
The utility model relates to a power plant circulating water technical field, a open circulating water comprehensive utilization device of thermal power factory specifically says so.
Background
In recent years, power plants attach great importance to the quality improvement and efficiency enhancement, energy conservation and consumption reduction of the operation of thermal power generating units, and a series of important regulations and requirements are brought out successively. How to reduce energy consumption indexes of the thermal power generating unit on the basis of ensuring the safety and reliability of the thermal power generating unit, such as power generation coal consumption, power supply coal consumption, power consumption of a production plant, comprehensive power consumption of the plant, unit consumption of auxiliary machines and the like, has become an extremely important task faced by the thermal power generating unit.
In the prior art, one thermal power generating set is provided with two circulating water pumps, the circulating water pumps provide seawater cooling for corresponding set condensers and shaft coolers, but the defects are that the seawater utilization rate is low and the electric energy loss is high.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem in the prior art, the application provides a thermal power factory open circulating water comprehensive utilization device, and it can provide the water source for sea water desalination device, provide the cooling water for aeration fan oil station, provide the water source for the first cooling water pipeline of heat supply to the station power has been saved.
In order to achieve the purpose, the technical scheme of the application is as follows: an open circulating water comprehensive utilization device of a thermal power plant comprises: each thermal power generating set is connected with a circulating water pump A and a circulating water pump B, the circulating water pump A is connected to a water outlet pipeline through a circulating pump outlet electric door A, the circulating water pump B is connected to a water outlet pipeline through a circulating pump outlet electric door B, each water outlet pipeline is connected to a confluence pipeline through a manual stop valve a, the confluence pipeline is connected with an inlet of a seawater desalination device through a water supply pipeline, a water supply point a on the water supply pipeline is connected with an inlet of a head station cooling water pipeline through a manual stop valve B, and a water supply point B on the water supply pipeline is connected with an inlet of an aeration fan oil station through a manual stop valve c; the outlet a of the seawater desalination device is connected with the electrolytic chlorine production water tank, the outlet b of the seawater desalination device is connected with the heat supply primary heating network pipeline, and the outlet c of the seawater desalination device is connected with the filtering water tank.
Furthermore, every outlet conduit links to each other with branch road pipeline a, branch road pipeline B respectively, branch road pipeline a links to each other with condenser A, condenser B through entry electrically operated gate an respectively, condenser A, condenser B link to each other with the treatment conduit through export electrically operated gate a, branch road pipeline B links to each other with axle cooler A, axle cooler B through entry electrically operated gate B respectively, axle cooler A, axle cooler B link to each other with the treatment conduit through export electrically operated gate B.
Furthermore, the thermal generator set is provided with four thermal generator sets, wherein two thermal generator sets share one desulfurization treatment device.
Further, the desulfurization treatment apparatus includes: the system comprises a pump forebay, an aeration tank, an inlet flashboard corresponding to a thermal generator set and an absorption tower, wherein one side of the inlet flashboard is connected with a processing pipeline, the other side of the inlet flashboard is connected with the input end of the pump forebay, the output end of the pump forebay is connected with a conveying pipeline through a booster pump, and the conveying pipeline is connected with the aeration tank through the absorption tower.
Furthermore, both ends of the treatment pipeline are respectively connected with a bypass a and a bypass b, the bypass a and the bypass b are both connected with the aeration tank through an inlet baffle and an outlet baffle, the bypass a and the bypass b are provided with bypass baffles, and the bypass baffles are positioned between the inlet baffle and the outlet baffle.
Furthermore, the outlet of the initial cooling water pipeline is connected back to the point c on the water supply pipeline through a manual stop valve d.
Furthermore, a manual stop valve e is arranged between the point c on the water supply pipeline and the seawater desalination device.
Furthermore, the water supply pipeline is connected with the adjacent bypass a and the bypass b, the connection points of the water supply pipeline are a point d and a point e, and the point d and the point e are positioned between the manual stop valve e and the seawater desalination device.
As a further step, electromagnetic valves a are arranged on two sides of the booster pump, and battery valves b are arranged on two sides of the absorption tower.
As a further step, the water supply pipeline is positioned between the two thermal generator sets in the middle.
The utility model discloses owing to adopt above technical scheme, can gain following technological effect:
1. the desulfurization treatment device takes seawater as an adsorbent, can save a large amount of fresh water resources, has high desulfurization efficiency, does not produce byproducts and wastes, and has no secondary pollution; the problems of equipment and pipeline blockage do not exist; the method has the advantages of simple process, convenient maintenance and low investment and operation cost.
2. The water supply pipeline is connected with water outlet pipelines of circulating water pumps of four units by using a manual stop valve, so that a water source is provided for a power plant seawater desalination device, a certain seawater flow and pressure are kept, and a standby water source is provided for a main shaft cooler and a condenser; after one unit is shut down, circulating water of other units can be used through a confluence pipeline to provide water sources for a shaft cooler and a condenser of the shut-down unit, good conditions are created for shutting down a circulating water pump as far as possible in advance, and the power consumption of a plant is greatly reduced.
3. After seawater is desalinated to a heat supply primary heat supply network pipeline, the maximum water supplementing capacity can be improved by 180 tons/hour under the condition that the heat supply network loses water due to an accident, and the safety of primary heat supply network operation in the heat supply period is effectively improved.
4. After the seawater is desalted, the seawater is fed into an electrolytic chlorine preparation water tank, so that the electrolytic chlorine preparation water source is not only seawater, and the desalted high-concentration wastewater obviously improves the chlorine preparation capacity, so that the chlorine preparation amount is greatly improved under the condition that the running time of the chlorine preparation equipment is the same, and the electrolytic chlorine preparation efficiency is obviously improved.
5. The seawater is desalinated to a filtering water tank, and the purpose is to provide a water source for the chemical source when the chemical source is insufficient.
6. The problem of trip of the aeration fan caused by high temperature of the oil station after the environmental temperature rises in summer is successfully solved by newly adding a cooling water pipeline from the seawater to the oil station of the aeration fan, and the stability of the last procedure of seawater desulfurization is improved.
7. The seawater is newly added to the cooling water pipeline of the heat supply primary station, so that the cooling source of the heat supply primary station is changed from fresh water into seawater, and a large amount of fresh water resources are saved.
Drawings
FIG. 1 is a schematic block diagram of an open circulating water comprehensive utilization device of a thermal power plant;
the sequence numbers in the figures illustrate: 1. a circulating water pump A; 2. a circulating water pump B; 3. a pump outlet electric door A; 4. a pump outlet electrically operated gate B; 5. a manual stop valve a; 6. a water outlet pipeline; 7. a converging duct; 8. a water supply pipeline; 9. a manual stop valve b; 10. a manual stop valve c; 11. a manual stop valve d; 12. a manual stop valve e; 13. a branch pipeline a; 14. a branch pipeline b; 15. an inlet electric door a; 16. an outlet electric door a; 17. an inlet electric door b; 18. an outlet electric door b; 19. processing the pipeline; 20. an inlet shutter; 21. a booster pump; 22. a bypass a; 23. a bypass b; 24. an inlet baffle; 25. an outlet baffle; 26. bypassing the baffle.
Detailed Description
The embodiment of the present invention is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are provided, but the present invention is not limited to the following embodiments.
Example 1
An open circulating water comprehensive utilization device of a thermal power plant comprises: each thermal power generating set is connected with a circulating water pump A and a circulating water pump B, the circulating water pump A is connected to a water outlet pipeline through a circulating pump outlet electric door A, the circulating water pump B is connected to a water outlet pipeline through a circulating pump outlet electric door B, each water outlet pipeline is connected to a confluence pipeline through a manual stop valve a, the confluence pipeline is connected with an inlet of a seawater desalination device through a water supply pipeline, a water supply point a on the water supply pipeline is connected with an inlet of a head station cooling water pipeline through a manual stop valve B, and a water supply point B on the water supply pipeline is connected with an inlet of an aeration fan oil station through a manual stop valve c; the outlet a of the seawater desalination device is connected with the electrolytic chlorine production water tank, the outlet b of the seawater desalination device is connected with the heat supply primary heating network pipeline, and the outlet c of the seawater desalination device is connected with the filtering water tank. One outlet of the first station cooling water pipeline is connected back to a point c on the water supply pipeline through a manual stop valve d, the other outlet of the first station cooling water pipeline is connected to the sea through a pipeline, and the pipeline is provided with a manual stop valve g; the outlet of the aeration fan oil station is connected to the sea through a pipeline, and a manual stop valve f is arranged on the pipeline; and a manual stop valve e is arranged between the point c on the water supply pipeline and the seawater desalination device.
In the embodiment, four thermal generator sets are taken as an example for explanation, wherein the four thermal generator sets are a first thermal generator set, a second thermal generator set, a third thermal generator set and a fourth thermal generator set respectively; and the water supply pipeline is positioned between the second thermal generator set and the third thermal generator set.
Each thermal power generating set corresponds to one water outlet pipeline, the water outlet pipeline is respectively connected with a branch pipeline a and a branch pipeline B, the branch pipeline a is respectively connected with a condenser A and a condenser B through an inlet electric door a, the condenser A and the condenser B are respectively connected with a processing pipeline through an outlet electric door a, the branch pipeline B is respectively connected with a shaft cooler A and a shaft cooler B through an inlet electric door B, the shaft cooler A and the shaft cooler B are respectively connected with the processing pipeline through an outlet electric door B, the first thermal power generating set and the second thermal power generating set share one processing pipeline and a desulfurization processing device, and the third thermal power generating set and the fourth thermal power generating set share the other processing pipeline and a desulfurization processing device; the system realizes that a standby water source is provided for the main shaft air cooler and the condenser, preferably, the standby water source can also be provided for the vacuum pump cooler, the water outlet pipelines corresponding to the third thermal power generator unit and the fourth thermal power generator unit are also connected with branch pipelines c, the branch pipelines c are respectively connected with the vacuum pump cooler A and the vacuum pump cooler B through inlet hand valves, and the vacuum pump cooler A and the vacuum pump cooler B are connected with the processing pipeline through outlet hand valves.
The desulfurization treatment device comprises: the system comprises a pump forebay, an aeration tank, an inlet flashboard corresponding to a thermal generator set and an absorption tower, wherein one side of the inlet flashboard is connected with a processing pipeline, the other side of the inlet flashboard is connected with the input end of the pump forebay, the output end of the pump forebay is connected with a conveying pipeline through three booster pumps, and the conveying pipeline is connected with the aeration tank through the absorption tower. Preferably, electromagnetic valves a are arranged on two sides of the booster pump, and battery valves b are arranged on two sides of the absorption tower.
The two ends of the treatment pipeline are respectively connected with a bypass a and a bypass b, the bypass a and the bypass b are both connected with the aeration tank through an inlet baffle and an outlet baffle, the bypass a and the bypass b are provided with bypass baffles, and the bypass baffles are positioned between the inlet baffle and the outlet baffle. The seawater flowing out of the shaft cooler, the condenser and the vacuum pump cooler flows into the aeration tank through a bypass for treatment and then flows into the sea.
The water supply pipeline is connected with the adjacent bypass a and the bypass b, the connection points of the water supply pipeline are a point d and a point e, the point d and the point e are positioned between the manual stop valve e and the seawater desalination device, and seawater flowing out through the shaft cooler, the condenser and the vacuum pump cooler can also provide a water source for the seawater desalination device.
The seawater desalination plant is the prior art and can comprise: the device comprises a sand filter, a raw water pool, a multi-medium filter, an activated carbon filter, a security filter, a primary reverse osmosis membrane, a primary water producing pool, a secondary reverse osmosis membrane and a secondary water producing pool which are sequentially connected; a raw water pump is arranged between the raw water tank and the multi-media filter, a high-pressure pump is arranged between the security filter and the first-stage reverse osmosis membrane, a high-pressure pump is also arranged between the first-stage water production tank and the second-stage reverse osmosis membrane, and the multi-media filter can be arranged in a plurality.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, it should be noted that, for a person of ordinary skill in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An open circulating water comprehensive utilization device of a thermal power plant comprises: each thermal power generating set is connected with a circulating water pump A and a circulating water pump B, the circulating water pump A is connected to a water outlet pipeline through a circulating pump outlet electric door A, the circulating water pump B is connected to a water outlet pipeline through a circulating pump outlet electric door B, and the system is characterized in that each water outlet pipeline is connected to a confluence pipeline through a manual stop valve a, the confluence pipeline is connected with an inlet of a seawater desalination device through a water supply pipeline, a water supply point a on the water supply pipeline is connected with an inlet of a first station cooling water pipeline through a manual stop valve B, and a water supply point B on the water supply pipeline is connected with an inlet of an aeration fan oil station through a manual stop valve c; the outlet a of the seawater desalination device is connected with the electrolytic chlorine production water tank, the outlet b of the seawater desalination device is connected with the heat supply primary heating network pipeline, and the outlet c of the seawater desalination device is connected with the filtering water tank.
2. The open circulating water comprehensive utilization device of the thermal power plant according to claim 1, wherein each water outlet pipeline is connected with a branch pipeline a and a branch pipeline B, the branch pipeline a is connected with a condenser A and a condenser B through an inlet electric door a, the condenser A and the condenser B are connected with a processing pipeline through an outlet electric door a, the branch pipeline B is connected with a shaft cooler A and a shaft cooler B through an inlet electric door B, and the shaft cooler A and the shaft cooler B are connected with the processing pipeline through an outlet electric door B.
3. The open circulating water comprehensive utilization device of thermal power plant according to claim 1, wherein there are four thermal power generating units, two of which share one desulfurization treatment device.
4. The open circulating water comprehensive utilization device of a thermal power plant according to claim 3, wherein the desulfurization treatment device comprises: the system comprises a pump forebay, an aeration tank, an inlet flashboard corresponding to a thermal generator set and an absorption tower, wherein one side of the inlet flashboard is connected with a processing pipeline, the other side of the inlet flashboard is connected with the input end of the pump forebay, the output end of the pump forebay is connected with a conveying pipeline through a booster pump, and the conveying pipeline is connected with the aeration tank through the absorption tower.
5. The open circulating water comprehensive utilization device of the thermal power plant as claimed in claim 2, wherein both ends of the treatment pipeline are respectively connected with a bypass a and a bypass b, the bypass a and the bypass b are both connected with the aeration tank through an inlet baffle and an outlet baffle, bypass baffles are arranged on the bypass a and the bypass b, and the bypass baffles are positioned between the inlet baffle and the outlet baffle.
6. The open circulating water comprehensive utilization device of a thermal power plant as claimed in claim 1, wherein the outlet of the initial cooling water pipeline is connected back to the point c on the water supply pipeline through a manual stop valve d.
7. The open circulating water comprehensive utilization device of a thermal power plant as claimed in claim 6, wherein a manual stop valve e is arranged between the point c on the water supply pipeline and the seawater desalination device.
8. The open circulating water comprehensive utilization device of a thermal power plant as claimed in claim 1, wherein the water supply pipeline is connected to the adjacent bypass a and bypass b at the connection points d and e, and the points d and e are located between the manual stop valve e and the seawater desalination device.
9. The open circulating water comprehensive utilization device of thermal power plant as claimed in claim 4, wherein the booster pump is provided with electromagnetic valve a on both sides, and the absorption tower is provided with battery valve b on both sides.
10. The open circulating water comprehensive utilization device of a thermal power plant as claimed in claim 3, wherein the water supply pipeline is located between the two thermal power generating units.
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| CN202020967424.6U CN212479355U (en) | 2020-06-01 | 2020-06-01 | Open circulating water comprehensive utilization device of thermal power factory |
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| CN202020967424.6U CN212479355U (en) | 2020-06-01 | 2020-06-01 | Open circulating water comprehensive utilization device of thermal power factory |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114020068A (en) * | 2021-12-17 | 2022-02-08 | 孙中一 | Solar energy brake control device of remotely controlled gate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114020068A (en) * | 2021-12-17 | 2022-02-08 | 孙中一 | Solar energy brake control device of remotely controlled gate |
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