CN220136132U - Circulating desalination water cooling system of thermal power factory - Google Patents

Circulating desalination water cooling system of thermal power factory Download PDF

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Publication number
CN220136132U
CN220136132U CN202320774974.XU CN202320774974U CN220136132U CN 220136132 U CN220136132 U CN 220136132U CN 202320774974 U CN202320774974 U CN 202320774974U CN 220136132 U CN220136132 U CN 220136132U
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water
water tank
valve
communicated
intercommunication
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Inventor
刘尚才
陶荣杰
沈云柏
王志鹏
孙尚
杜洋
李一峰
张宇
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Heilongjiang Huadian Qiqihar Thermoelectricity Co ltd
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Heilongjiang Huadian Qiqihar Thermoelectricity Co ltd
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Abstract

The utility model relates to the technical field of thermal power generation, in particular to a circulating type demineralized water cooling system of a thermal power plant, which comprises a first water tank and a second water tank, wherein the tops of the first water tank and the second water tank are communicated with a demineralized water pipe, the first water tank and the second water tank are respectively communicated with two ends of a third valve, the bottom of the first water tank is communicated with a water vapor sampling device through a first connecting component, the water vapor sampling device is communicated with the second water tank through a second connecting component, the middle part of the first connecting component is communicated with the second water tank, the middle part of the second connecting component is communicated with the first water tank, and the bottom of the water vapor sampling device is communicated with a boiler component. The utility model can reduce the waste of desalted water when the equipment is overhauled, and achieves the purpose of saving water.

Description

Circulating desalination water cooling system of thermal power factory
Technical Field
The utility model relates to the technical field of thermal power generation, in particular to a circulating type desalting water cooling system of a thermal power plant.
Background
Most power plants adopt a closed desalination cooling device (system) so as to send cooling water into a cooler of a water vapor sampling device to cool sample water of a high-temperature sampling frame, the closed desalination cooling device adopts a plate heat exchanger and a desalination cooling water pump with a flow path made of stainless steel 304, and the closed desalination cooling device adopts a standby application mode, so that the operation of the high-temperature sampling frame can be met, and the phenomena of pollution, scaling and the like of the high-temperature sampling frame are avoided.
However, as the unit continuously runs for a long time, the heat exchange effect of the plate heat exchanger is obviously reduced, and when the unit is stopped for maintenance, the condensate water tank, the deaerator and the condenser of the shutdown unit all have a large amount of qualified desalted water, and only the water in the condensate water tank, the deaerator and the condenser can be discharged, so that great waste is caused, and therefore, the circulating type desalted water cooling system of the thermal power plant is needed to solve.
Disclosure of Invention
The utility model aims to provide a circulating type desalting water cooling system for a thermal power plant so as to solve the problems.
In order to achieve the above object, the present utility model provides the following solutions:
the utility model provides a circulating demineralized water cooling system of thermal power factory, includes a water tank and No. two water tanks, no. one the water tank with No. two water tank tops all communicate with demineralized water pipe, no. one the water tank with No. two water tanks communicate respectively and have the both ends of third valve, no. one the water tank bottom has steam sampling device through first coupling assembling intercommunication, steam sampling device with No. two water tanks pass through second coupling assembling intercommunication, first coupling assembling middle part with No. two water tanks intercommunication, second coupling assembling middle part with No. one water tank intercommunication, steam sampling device bottom intercommunication has boiler assembly.
Preferably, the first connecting component comprises a first water pump, the top of the first water pump is communicated with the bottom of a second valve, the bottom of the first water pump is communicated with the top of a first valve, the top of the second valve is communicated with the bottom of a first water tank, the bottom of the first valve is communicated with the top of the water vapor sampling device, one end of a first communicating part is communicated between the first water pump and the first valve, and the other end of the first communicating part is communicated with the middle of a second water tank.
Preferably, the first communicating part comprises a fourth valve, one end of the fourth valve is communicated with a pipeline between the first water pump and the first valve, and the other end of the fourth valve is communicated with the middle part of the second water tank.
Preferably, the second connecting component comprises a second water pump, the top of the second water pump is communicated with the bottom of a seventh valve, the bottom of the second water pump is communicated with the top of a sixth valve, the top of the seventh valve is communicated with the bottom of the second water tank, the bottom of the sixth valve is communicated with the top of the water vapor sampling device, one end of a second communicating part is communicated between the sixth valve and the second water pump, and the other end of the second communicating part is communicated with the middle of the first water tank.
Preferably, the second communicating part comprises a fifth valve, the top of the fifth valve is communicated with the middle part of the first water tank, and the bottom of the fifth valve is communicated with a pipeline communicated between the second water pump and the sixth valve.
Preferably, the boiler component comprises a condenser, the top of the condenser is communicated with the bottom of the water vapor sampling device, and the bottom of the condenser is communicated with a boiler.
Preferably, a drain pipe is communicated with one side of the first water tank and one side of the second water tank.
The utility model has the following technical effects: when the boiler is used, the first water tank and the second water tank are communicated on the demineralized water pipe, water is supplied to the first water tank and the second water tank through the demineralized water pipe, the bottoms of the first water tank and the second water tank are communicated with the water vapor sampling device through the first connecting component and the second connecting component respectively, and then water in the first water tank and the second water tank enters the boiler component through the water vapor sampling device.
The middle parts of the first water tank and the second water tank are communicated through the third valve, when the third valve is opened, the balance of water levels in the first water tank and the second water tank can be ensured, if the third valve is closed when the first water tank is required to be shut down for maintenance, the first connecting component is closed to be communicated with the water vapor sampling device, the water in the first water tank can be transferred into the second water tank due to the communication between the middle part of the first connecting component and the second water tank, and then the desalted water in the first water tank is not required to be discharged, so that the waste of the desalted water is reduced, and the effect of saving water is achieved.
When the second water tank needs to be shut down for maintenance, the third valve is closed, the second connecting assembly is closed to be communicated with the water vapor sampling device, water in the second water tank is transferred into the first water tank, and the same effect is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
wherein, 1, demineralized water pipe; 2. a first water tank; 3. a blow-down pipe; 4. a second water tank; 5. a first water pump; 6. a water vapor sampling device; 7. a condenser; 8. a boiler; 9. a first valve; 10. a second valve; 11. a third valve; 12. a fourth valve; 13. a fifth valve; 14. a sixth valve; 15. a second water pump; 16. and a seventh valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1, the utility model provides a circulating demineralized water cooling system of a thermal power plant, which comprises a first water tank 2 and a second water tank 4, wherein the tops of the first water tank 2 and the second water tank 4 are communicated with a demineralized water pipe 1, the first water tank 2 and the second water tank 4 are respectively communicated with two ends of a third valve 11, the bottom of the first water tank 2 is communicated with a water vapor sampling device 6 through a first connecting component, the water vapor sampling device 6 is communicated with the second water tank 4 through a second connecting component, the middle part of the first connecting component is communicated with the second water tank 4, the middle part of the second connecting component is communicated with the first water tank 2, and the bottom of the water vapor sampling device 6 is communicated with a boiler component.
During the use, with No. one water tank 2 and No. two water tanks 4 intercommunication on demineralized water pipe 1, supply water to No. one water tank 2 and No. two water tanks 4 through demineralized water pipe 1, no. one water tank 2 and No. two water tank 4's bottom is respectively through first coupling assembling and second coupling assembling and steam sampling device 6 intercommunication, and water in No. one water tank 2 and No. two water tanks 4 is through steam sampling device 6 entering into the boiler subassembly afterwards.
The middle part of a water tank 2 and a water tank 4 is communicated through a third valve 11, when the third valve 11 is opened, the balance of water levels in the water tank 2 and the water tank 4 can be ensured, if the water tank 2 needs to be shut down for maintenance, the third valve 11 is closed, the first connecting component is closed to be communicated with the water vapor sampling device 6, because the middle part of the first connecting component is communicated with the water tank 4, water in the water tank 2 can be transferred into the water tank 4, and then desalted water in the water tank 2 is not required to be discharged, the waste of desalted water is reduced, and the effect of saving water is achieved.
When the second water tank 4 needs to be shut down for maintenance, the third valve 11 is closed, the second connecting component is closed to be communicated with the water vapor sampling device 6, and water in the second water tank 4 is transferred into the first water tank 2, so that the same effect is achieved.
Further optimizing scheme, first coupling assembling includes first water pump 5, and first water pump 5 top intercommunication has the bottom of second valve 10, and first water pump 5 bottom intercommunication has the top of first valve 9, and second valve 10 top communicates with No. one water tank 2 bottom, and first valve 9 bottom communicates with steam sampling device 6 top, and the one end that communicates has first intercommunication portion between first water pump 5 and the first valve 9, the other end and the No. two water tank 4 middle part intercommunication of first intercommunication portion.
Further optimizing scheme, the first communicating part includes fourth valve 12, and the pipeline intercommunication between the one end of fourth valve 12 and first water pump 5 and the first valve 9, the other end of fourth valve 12 and No. two water tank 4 middle parts intercommunication.
During normal operation, through opening second valve 10 and first valve 9, close fourth valve 12, make the demineralized water in the water tank 2 enter into in the steam sampling device 6 through first water pump 5, when water tank 2 needs to overhaul, through closing first valve 9, open second valve 10 and fourth valve 12, in water input to water tank 4 No. two through first water pump 5, can avoid discharging the water in the water tank 2, cause the waste.
Further optimizing scheme, the second coupling assembling includes second water pump 15, and second water pump 15 top intercommunication has the bottom of seventh valve 16, and second water pump 15 bottom intercommunication has the top of sixth valve 14, and seventh valve 16 top communicates with No. two water tank 4 bottoms, and sixth valve 14 bottom communicates with steam sampling device 6 top, and the one end that communicates has the second intercommunication portion between sixth valve 14 and the second water pump 15, the other end and the No. one water tank 2 middle part intercommunication of second intercommunication portion.
In a further optimized scheme, the second communicating part comprises a fifth valve 13, the top of the fifth valve 13 is communicated with the middle part of the first water tank 2, and the bottom of the fifth valve 13 is communicated with a pipeline communicated between the second water pump 15 and the sixth valve 14.
During normal operation, the seventh valve 16 and the sixth valve 14 are opened, the fifth valve 13 is closed, desalted water in the second water tank 4 enters the water vapor sampling device 6 through the second water pump 15, when the second water tank 4 needs to be overhauled, the sixth valve 14 is closed, the fifth valve 13 and the seventh valve 16 are opened, water is input into the first water tank 2 through the second water pump 15, and water in the second water tank 4 can be prevented from being discharged, so that waste is caused.
Further optimizing scheme, boiler assembly includes condenser 7, and condenser 7 top and steam sampling device 6 bottom intercommunication, and condenser 7 bottom intercommunication has boiler 8.
Further optimizing scheme, one side intercommunication of No. one water tank 2 and No. two water tanks 4 has blow off pipe 3.
The blow-down pipe 3 is used for discharging the demineralized water containing dirt in the bottoms of the first water tank 2 and the second water tank 4.
The working procedure of this embodiment is as follows: during the use, with No. one water tank 2 and No. two water tanks 4 intercommunication on demineralized water pipe 1, supply water to No. one water tank 2 and No. two water tanks 4 through demineralized water pipe 1, during normal operation, through opening second valve 10 and first valve 9, close fourth valve 12, demineralized water in No. one water tank 2 enters into vapor sampling device 6 through first water pump 5, through opening seventh valve 16 and sixth valve 14, close fifth valve 13, demineralized water in No. two water tanks 4 enters into vapor sampling device 6 through second water pump 15, no. one water tank 2 and No. two water tanks 4 middle part is through third valve 11 intercommunication, when third valve 11 opens, can guarantee the balance of No. one water tank 2 and No. two water tanks 4, when No. one water tank 2 needs the outage maintenance, close third valve 11, close first valve 9, open second valve 10 and fourth valve 12, input water into No. two water tanks 4 through first water pump 5, can avoid leading to the water drainage in No. one water tank 2, no. two water tanks 2, waste is caused by the second water pump 15, no. two water tank 2 need to be put into the same valve 16, no. two water tank 14 need to be put into service through third valve 11, no. 11 is closed when No. 2 need to be shut down, no. 11 is required to be shut down.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims (7)

1. A circulating desalination water cooling system of thermal power factory, its characterized in that: including No. one water tank (2) and No. two water tanks (4), no. one water tank (2) with No. two water tank (4) tops all communicate with demineralized water pipe (1), no. one water tank (2) with No. two water tank (4) communicate respectively and have the both ends of third valve (11), no. one water tank (2) bottom has steam sampling device (6) through first coupling assembling intercommunication, steam sampling device (6) with No. two water tank (4) are through second coupling assembling intercommunication, first coupling assembling middle part with No. two water tank (4) intercommunication, second coupling assembling middle part with No. one water tank (2) intercommunication, steam sampling device (6) bottom intercommunication has boiler assembly.
2. The circulating desalination water cooling system of thermal power plant of claim 1, wherein: the first connecting assembly comprises a first water pump (5), the top of the first water pump (5) is communicated with the bottom of a second valve (10), the bottom of the first water pump (5) is communicated with the top of a first valve (9), the top of the second valve (10) is communicated with the bottom of a first water tank (2), the bottom of the first valve (9) is communicated with the top of a water vapor sampling device (6), one end of a first communicating part is communicated between the first water pump (5) and the first valve (9), and the other end of the first communicating part is communicated with the middle of a second water tank (4).
3. The circulating desalination water cooling system of thermal power plant of claim 2, wherein: the first communicating part comprises a fourth valve (12), one end of the fourth valve (12) is communicated with a pipeline between the first water pump (5) and the first valve (9), and the other end of the fourth valve (12) is communicated with the middle part of the second water tank (4).
4. The circulating desalination water cooling system of thermal power plant of claim 1, wherein: the second coupling assembling includes second water pump (15), the bottom of second water pump (15) top intercommunication has seventh valve (16), second water pump (15) bottom intercommunication has the top of sixth valve (14), seventh valve (16) top with No. two water tank (4) bottom intercommunication, sixth valve (14) bottom with steam sampling device (6) top intercommunication, the one end that communicates there is second intercommunication portion between sixth valve (14) and second water pump (15), the other end of second intercommunication portion with No. one water tank (2) middle part intercommunication.
5. The circulating desalination water cooling system of thermal power plant of claim 4, wherein: the second communicating part comprises a fifth valve (13), the top of the fifth valve (13) is communicated with the middle of the first water tank (2), and the bottom of the fifth valve (13) is communicated with a pipeline communicated between the second water pump (15) and the sixth valve (14).
6. The circulating desalination water cooling system of thermal power plant of claim 1, wherein: the boiler assembly comprises a condenser (7), the top of the condenser (7) is communicated with the bottom of the water vapor sampling device (6), and the bottom of the condenser (7) is communicated with a boiler (8).
7. The circulating desalination water cooling system of thermal power plant of claim 1, wherein: one side of the first water tank (2) and one side of the second water tank (4) are communicated with a sewage draining pipe (3).
CN202320774974.XU 2023-04-10 2023-04-10 Circulating desalination water cooling system of thermal power factory Active CN220136132U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320774974.XU CN220136132U (en) 2023-04-10 2023-04-10 Circulating desalination water cooling system of thermal power factory

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320774974.XU CN220136132U (en) 2023-04-10 2023-04-10 Circulating desalination water cooling system of thermal power factory

Publications (1)

Publication Number Publication Date
CN220136132U true CN220136132U (en) 2023-12-05

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CN202320774974.XU Active CN220136132U (en) 2023-04-10 2023-04-10 Circulating desalination water cooling system of thermal power factory

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CN (1) CN220136132U (en)

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