CN216049267U - Circulating water cooling system of power plant cooling tower - Google Patents
Circulating water cooling system of power plant cooling tower Download PDFInfo
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- CN216049267U CN216049267U CN202122789951.XU CN202122789951U CN216049267U CN 216049267 U CN216049267 U CN 216049267U CN 202122789951 U CN202122789951 U CN 202122789951U CN 216049267 U CN216049267 U CN 216049267U
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Abstract
The utility model discloses a circulating water cooling system of a power plant cooling tower, which relates to the technical field of xxxx, and comprises a tower body, wherein a release mechanism is arranged above the interior of the tower body, a water collecting tank is arranged at the bottom end of the interior of the tower body, a water inlet pipe communicated with a spraying frame is connected to the upper end of the exterior of the tower body, a water outlet pipe communicated with the water collecting tank is arranged at the bottom end of the exterior of the tower body, a temperature sensor is arranged between the water outlet pipe and the water collecting tank, the release mechanism comprises a bottom plate arranged above the interior of the tower body, a plurality of nozzles are distributed on the lower surface of the bottom plate, a silver iodide storage box and a control bin are distributed on the upper surface of the bottom plate, the silver iodide release mechanism is additionally arranged on the basis of the circulating water cooling system, and the silver iodide is used for sublimating to cool water vapor in hot air flow rising in the cooling tower, so that the temperature of the cooling water out of the cooling tower is reduced to be in accordance with the temperature requirement of the water inlet of a condenser, the working efficiency of the unit is convenient to improve.
Description
Technical Field
The utility model relates to the technical field of power plant circulating water cooling, in particular to a circulating water cooling system of a power plant cooling tower.
Background
In order to meet increasingly stringent environmental protection standards and further improve energy utilization efficiency, a gasification and melting treatment technology for municipal solid waste (MSW for short) is developed in recent years, a MSW gasification and melting treatment system is characterized in that MSW is firstly pyrolyzed in a pyrolysis furnace to generate pyrolysis gas and pyrolysis coke, the pyrolysis gas is combusted in a combustor to generate high-temperature flue gas for supplying heat to the pyrolysis furnace, the pyrolysis coke is separated from metal, ground and crushed and then sent into a cyclone melting furnace for high-temperature combustion and liquid-state slag removal, the combusted flue gas and the flue gas generated by combustion of the pyrolysis gas are sent into a waste heat boiler together for heat recovery to generate standardized energy product electricity, in the waste incineration power generation process, improving the efficiency of the generator set is the most effective method for improving the source utilization efficiency, so the research mainly aims at a circulating water cooling system in the generator set, and the circulating water cooling system in the generator set system of the waste incineration power plant is also suitable for the common thermal power plant;
the existing circulating water cooling system of the thermal power plant mainly comprises a steam turbine, a condenser, a water collecting tank, a circulating water pump, a cooling tower, a water dividing tank and pipelines for connecting the steam turbine, the condenser, the water collecting tank, the circulating water pump, the cooling tower, the water dividing tank and the pipelines, wherein the cooling tower is an important part for forming the circulating water cooling system, the cooling tower is a key structure for cooling circulating water, the cooling performance of the cooling tower directly influences the economical efficiency of the operation of the thermal power plant, the improvement of the thermal efficiency of the thermal power plant is in direct proportion to the reduction of the tower outlet temperature of the cooling water, and the efficiency of a medium-pressure unit and a high-pressure unit can be respectively improved by 0.47 percent and 0.35 percent when the tower outlet temperature of the cooling water is reduced by 1 ℃;
therefore, the problem to be solved is how to reduce the temperature of the cooling water discharged from the tower to be lower, and the problem is also important for the thermal power plant, so the utility model provides a circulating water cooling system of a cooling tower of the thermal power plant, and solves the problem.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a circulating water cooling system of a power plant cooling tower, which solves the problems in the background art.
In order to achieve the purpose, the utility model is realized by the following technical scheme: a circulating water cooling system of a power plant cooling tower comprises a tower body, wherein a release mechanism is arranged above the interior of the tower body, a water collector is arranged below the release mechanism in the interior of the tower body, a spraying frame is arranged below the water collector in the interior of the tower body, a water collecting pool is arranged at the bottom end of the interior of the tower body, cooling tower filler is arranged below the spraying frame in the interior of the tower body, the upper end of the exterior of the tower body is connected with a water inlet pipe communicated with the spraying frame, the bottom end of the exterior of the tower body is provided with a water outlet pipe communicated with the water collecting pool, a temperature sensor is arranged between the water outlet pipe and the water collecting pool, and the other end of the water outlet pipe is connected with a water distribution box;
the releasing mechanism comprises a bottom plate arranged above the inside of the tower body, a plurality of nozzles are distributed on the lower surface of the bottom plate, and a silver iodide storage box and a control bin are distributed on the upper surface of the bottom plate.
As a further technical scheme of the utility model, a metering sensor is arranged inside the silver iodide storage box, a humidity sensor is arranged inside the control cabin, the detection end of the humidity sensor extends to the outside of the control cabin, a control panel is arranged on the inner wall of the control cabin, and a second delivery pump is arranged at the center inside the control cabin.
As a further technical scheme of the utility model, the bottom plate is of a hollow structure, the output end of the second delivery pump is communicated with the bottom plate through a pipeline, the input end of the second delivery pump is communicated with the silver iodide storage box through a pipeline, the bottom plate is communicated with the nozzle, and the bottom plate is fixed with the inner wall of the tower body through a bracket.
As a further technical scheme, one side face of the silver iodide storage box is connected with a conveying pipe penetrating through the tower body, the other end of the conveying pipe is connected with a first conveying pump positioned on the outer side of the tower body, a silver iodide storage tank is arranged on one side of the outer portion of the tower body, and the input end of the first conveying pump is communicated with the silver iodide storage tank through a pipeline.
As a further technical scheme of the utility model, the other end of the water inlet pipe is connected with a circulating water pump, the output end of the circulating water pump is communicated with a spraying frame through the water inlet pipe, the input end of the circulating water pump is connected with a water collecting box through a pipeline, and spraying nozzles communicated with the spraying frame are distributed on the lower surface of the spraying frame.
As a further technical scheme of the utility model, the other end of the water outlet pipe is connected with a water distribution box, the water distribution box is connected with a condenser through a pipeline, one side of the condenser is connected with a steam turbine, and the water distribution box is communicated with a water collecting tank through the water outlet pipe.
Advantageous effects
The utility model provides a circulating water cooling system of a power plant cooling tower. Compared with the prior art, the method has the following beneficial effects:
1. the utility model provides a circulating water cooling system of power plant's cooling tower, is through addding silver iodide release mechanism on circulating water cooling system's basis, utilizes the silver iodide sublimation further to cool off the steam in the hot gas flow that rises in the cooling tower to make the tower temperature of leaving of cooling water fall to lower, the detection of the temperature sensor on the cooperation outlet pipe, and then make cooling tower leaving water temperature can accord with the temperature requirement of intaking of condenser, be convenient for improve the work efficiency of unit.
2. The utility model provides a power plant's cooling tower's circulating water cooling system, through the application that sets up humidity transducer and control panel on the inside top of cooling tower, conveniently monitor the steam content in the cooling tower to come to regulate and control silver iodide release mechanism according to monitoring data, the design of simultaneous measurement sensor can supply the volume of silver iodide constantly, ensures release mechanism normal work, this design not only can effectual saving cost, but also can real-time supervision control release mechanism's switching.
Drawings
FIG. 1 is a schematic diagram of a circulating water cooling system of a power plant cooling tower;
FIG. 2 is a schematic structural diagram of a circulating water cooling system of a cooling tower of a power plant;
fig. 3 is a schematic structural diagram of a release mechanism and a silver iodide storage tank in a circulating water cooling system of a power plant cooling tower.
In the figure: 1. a tower body; 11. a water collecting tank; 12. cooling tower packing; 13. spraying the frame; 14. a water collector; 2. a release mechanism; 21. a humidity sensor; 22. a metering sensor; 23. a silver iodide storage box; 24. a control cabin; 25. a second delivery pump; 26. a control panel; 27. a base plate; 28. a nozzle; 3. a water outlet pipe; 31. a water distribution box; 32. a temperature sensor; 4. a silver iodide storage tank; 41. a first delivery pump; 42. a delivery pipe; 5. a water inlet pipe; 51. a water circulating pump; 52. a water collection tank; 6. a condenser; 7. a steam turbine.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution of a circulating water cooling system of a power plant cooling tower: a circulating water cooling system of a power plant cooling tower comprises a tower body 1, a release mechanism 2 is arranged above the interior of the tower body 1, a water collector 14 is arranged below the release mechanism 2 in the interior of the tower body 1, a spraying frame 13 is arranged below the water collector 14 in the interior of the tower body 1, a water collecting pool 11 is arranged at the bottom end of the interior of the tower body 1, cooling tower fillers 12 are arranged below the spraying frame 13 in the interior of the tower body 1, a water inlet pipe 5 communicated with the spraying frame 13 is connected to the upper end of the exterior of the tower body 1, a water outlet pipe 3 communicated with the water collecting pool 11 is arranged at the bottom end of the exterior of the tower body 1, a temperature sensor 32 is arranged between the water outlet pipe 3 and the water collecting pool 11 and used for monitoring the temperature of a water outlet pipe 3 connected with the tower body 1, a water diversion tank 31 is connected to the other end of the water outlet pipe 3, a water diversion tank 31 is connected to a condenser 6 through a pipeline, one side of the condenser 6 is connected with a steam turbine 7, and the water distribution box 31 is communicated with the water collection tank 11 through a water outlet pipe 3;
as shown in fig. 2 and 3, the releasing mechanism 2 includes a bottom plate 27 installed above the inside of the tower body 1, a plurality of nozzles 28 are distributed on the lower surface of the bottom plate 27, a silver iodide storage box 23 and a control cabin 24 are distributed on the upper surface of the bottom plate 27, a metering sensor 22 is arranged inside the silver iodide storage box 23, a humidity sensor 21 is arranged inside the control cabin 24, a detection end of the humidity sensor 21 extends to the outside of the control cabin 24 for monitoring the water vapor content in the tower body 1, a control panel 26 is arranged on the inner wall of the control cabin 24, a second delivery pump 25 is arranged at the center inside of the control cabin 24, the bottom plate 27 is a hollow structure, an output end of the second delivery pump 25 is communicated with the bottom plate 27 through a pipeline, an input end of the second delivery pump 25 is communicated with the silver iodide storage box 23 through a pipeline, the bottom plate 27 is communicated with the nozzles 28, and the bottom plate 27 is fixed with the inner wall of the tower body 1 through a bracket, when the silver iodide needs to be released, the control panel 26 controls the second conveying pump 25 to work, so that the silver iodide in the silver iodide storage tank 23 is conveyed into the bottom plate 27 through a pipeline and is sprayed out from the nozzle 28, and the sprayed silver iodide is sublimated to cool the water vapor in the hot air flow rising in the cooling tower, so that the temperature of the cooling water discharged from the cooling tower is reduced;
as shown in fig. 3, a delivery pipe 42 penetrating through the tower body 1 is connected to one side surface of the silver iodide storage tank 23, a first delivery pump 41 positioned outside the tower body 1 is connected to the other end of the delivery pipe 42, a silver iodide storage tank 4 is arranged on one side outside the tower body 1, the input end of the first delivery pump 41 is communicated with the silver iodide storage tank 4 through a pipeline, the metering sensor 22 detects the storage amount of silver iodide in the silver iodide storage tank 23, when the storage amount is insufficient, a signal is transmitted to the control panel 26, the first delivery pump 41 is controlled to operate, and the first delivery pump 41 is used for delivering silver iodide in the silver iodide storage tank 4 to the silver iodide storage tank 23, so as to ensure that the amount of silver iodide in the silver iodide storage tank 23 is sufficient;
as shown in fig. 1 and 2, the other end of the water inlet pipe 5 is connected with a circulating water pump 51, the output end of the circulating water pump 51 is communicated with the spraying frame 13 through the water inlet pipe 5, the input end of the circulating water pump 51 is connected with a water collecting tank 52 through a pipeline, spraying nozzles communicated with the water collecting tank are distributed on the lower surface of the spraying frame 13, water in the water collecting tank 52 is conveyed into the spraying frame 13 through the circulating water pump 51 and then is sprayed out through the spraying nozzles, and therefore the hot air flow in the tower body is cooled;
the working principle of the utility model is as follows: when in use, the water in the water collecting tank 52 is conveyed into the spraying frame 13 through the circulating water pump 51 and then sprayed out through the spraying nozzle, so that the hot air flow in the tower body can be conveniently cooled;
the sprayed water passes through a cooling tower filler 12, so that the retention time of the long cooling water can be prolonged, the heat exchange area is increased, the sprayed water falls into a water collecting tank 11 at the bottom of the tower body 1 and is discharged through a water outlet pipe 3, meanwhile, the temperature sensor 32 is used for detecting the temperature of the water discharged from the water outlet pipe 3, when the temperature of the water in the water outlet pipe 3 is higher than the water inlet temperature of the condenser 6, a signal is transmitted to a control panel 26, the control panel controls the release mechanism 2 to start working, silver iodide is released, and the circulating water in the cooling tower is further cooled by the silver iodide, so that the water outlet temperature of the cooling tower meets the water inlet temperature requirement of the condenser 6; on the contrary, if the water temperature in the water outlet pipe 3 reaches the inlet water temperature requirement of the condenser 6, a signal is transmitted to the control panel 26, and the control panel controls the release mechanism 2 to stop working;
further, the humidity sensor 21 is used for detecting the water vapor content in the tower body, when the water vapor content in the cooling tower is too high, a signal is transmitted to the control panel 26, the control release mechanism 2 is controlled by the control panel to work, the silver iodide in the silver iodide storage tank 23 is conveyed into the bottom plate 27 through a pipeline by the second conveying pump 25 and is sprayed out of the nozzle 28, the sprayed water vapor in the cooling tower is cooled by sublimating the silver iodide, the water consumption is reduced, otherwise, when the water vapor content is too low, a signal is transmitted to the control panel 26, the control panel 26 controls the release mechanism 2 to stop working, and the using amount of the silver iodide is reduced;
the amount of silver iodide in the silver iodide storage tank 23 is detected by the metering sensor 22, and when the amount of silver iodide is insufficient, a signal is transmitted to the control panel 26, which controls the first transfer pump 41 to transfer the silver iodide in the silver iodide storage tank 4 to the silver iodide storage tank 23, so as to replenish the amount of silver iodide in the silver iodide storage tank 23, and when the replenishment is sufficient, a signal is transmitted to the control panel 26, which controls the first transfer pump 41 to stop the transfer.
Claims (6)
1. The circulating water cooling system of the cooling tower of the power plant comprises a tower body (1) and is characterized in that a release mechanism (2) is arranged above the inside of the tower body (1), a water collector (14) is arranged below the release mechanism (2) inside the tower body (1), a spraying frame (13) is arranged below the water collector (14) inside the tower body (1), a water collecting tank (11) is arranged at the bottom end of the inside of the tower body (1), cooling tower fillers (12) are arranged below the spraying frame (13) inside the tower body (1), a water inlet pipe (5) communicated with the spraying frame (13) is connected to the upper end of the outside of the tower body (1), a water outlet pipe (3) communicated with the water collecting tank (11) is arranged at the bottom end of the outside of the tower body (1), a temperature sensor (32) is arranged between the water outlet pipe (3) and the water collecting tank (11), the other end of the water outlet pipe (3) is connected with a water distribution box (31);
release mechanism (2) are including installing bottom plate (27) in tower body (1) inside top, the lower surface distribution of bottom plate (27) has a plurality of nozzles (28), and the upper surface distribution of bottom plate (27) has silver iodide storage box (23) and control storehouse (24).
2. The circulating water cooling system of the cooling tower of the power plant as claimed in claim 1, wherein a metering sensor (22) is arranged inside the silver iodide storage tank (23), a humidity sensor (21) is arranged inside the control cabin (24), the detection end of the humidity sensor (21) extends to the outside of the control cabin (24), a control panel (26) is arranged on the inner wall of the control cabin (24), and a second delivery pump (25) is arranged at the center inside the control cabin (24).
3. A circulating water cooling system for a cooling tower of a power plant as claimed in claim 2, characterized in that the bottom plate (27) is a hollow structure, the output end of the second delivery pump (25) is communicated with the bottom plate (27) through a pipeline, the input end of the second delivery pump (25) is communicated with the silver iodide storage tank (23) through a pipeline, the bottom plate (27) is communicated with the nozzle (28), and the bottom plate (27) is fixed with the inner wall of the tower body (1) through a bracket.
4. A circulating water cooling system for a power plant cooling tower according to claim 1, wherein a side of the silver iodide storage tank (23) is connected with a conveying pipe (42) penetrating through the tower body (1), the other end of the conveying pipe (42) is connected with a first conveying pump (41) positioned outside the tower body (1), a silver iodide storage tank (4) is arranged on one side of the outside of the tower body (1), and the input end of the first conveying pump (41) is communicated with the silver iodide storage tank (4) through a pipeline.
5. The circulating water cooling system of the cooling tower of the power plant as claimed in claim 1, wherein the other end of the water inlet pipe (5) is connected with a circulating water pump (51), the output end of the circulating water pump (51) is communicated with the spray frame (13) through the water inlet pipe (5), the input end of the circulating water pump (51) is connected with a water collecting tank (52) through a pipeline, and spray nozzles communicated with the spray frame (13) are distributed on the lower surface of the spray frame.
6. A circulating water cooling system of a power plant cooling tower according to claim 1, characterized in that the other end of the water outlet pipe (3) is connected with a water diversion box (31), the water diversion box (31) is connected with a condenser (6) through a pipeline, one side of the condenser (6) is connected with a steam turbine (7), and the water diversion box (31) is communicated with a water collecting tank (11) through the water outlet pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122789951.XU CN216049267U (en) | 2021-11-15 | 2021-11-15 | Circulating water cooling system of power plant cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122789951.XU CN216049267U (en) | 2021-11-15 | 2021-11-15 | Circulating water cooling system of power plant cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216049267U true CN216049267U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122789951.XU Active CN216049267U (en) | 2021-11-15 | 2021-11-15 | Circulating water cooling system of power plant cooling tower |
Country Status (1)
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|---|---|
| CN (1) | CN216049267U (en) |
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2021
- 2021-11-15 CN CN202122789951.XU patent/CN216049267U/en active Active
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