CN210264833U - Spraying and atomizing system of air cooling device of steam turbine generator unit - Google Patents
Spraying and atomizing system of air cooling device of steam turbine generator unit Download PDFInfo
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- CN210264833U CN210264833U CN201920539975.XU CN201920539975U CN210264833U CN 210264833 U CN210264833 U CN 210264833U CN 201920539975 U CN201920539975 U CN 201920539975U CN 210264833 U CN210264833 U CN 210264833U
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Abstract
The utility model discloses a spray atomization system of an air cooling device of a turbo generator set, which solves the problem that the efficiency of the unit is reduced due to high environmental temperature in summer, and ensures that the operation efficiency of the unit is not affected when the environmental temperature in summer is the highest through the operation of the device; the technical scheme is as follows: a spray atomization system of an air cooling device of a turbo generator set comprises a spray atomization pump, wherein a water inlet end of the spray atomization pump is communicated with a water tank, a mist outlet end of the spray atomization pump is connected into a plurality of cooling device air chambers through a main pipe, a plurality of branch pipes are arranged in each cooling device air chamber, one ends of the branch pipes are communicated with the main pipe, the other ends of the branch pipes are closed ends, and a plurality of spray guns are arranged on each branch pipe; the structure of the spray gun is as follows: the spray head is connected to the branch pipe, and a plurality of nozzles are uniformly distributed on the surface of the spray head; the utility model discloses but wide application in electricity generation trade steam turbine air cooling unit air cooling condenser field.
Description
Technical Field
The utility model relates to a turbo generator set air cooling device spray atomizing system belongs to electricity generation trade steam turbine air cooling unit air cooling condenser technical field.
Background
At present, a steam turbine exhaust cooling device cooling system of a thermal power plant adopts two modes: water cooling and air cooling. The water resource is short in the northern area of China, all steam turbine exhaust cooling devices of power generation enterprises adopt air cooling type equipment, the summer environment temperature of northern cities is about 27 ℃, the unit exhaust temperature is influenced by the environment temperature in the cooling process, the unit vacuum is reduced, and the unit operation efficiency is reduced by 30%.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art exists not enough, provides a turbo generator set air cooling device's atomizing system that sprays, has solved because of the ambient temperature is high in summer, and unit efficiency descends the problem, through the operation of device, and the unit guarantees that unit operating efficiency is not influenced when ambient temperature is the highest in summer.
In order to solve the technical problem, the utility model discloses a technical scheme be: a spray atomization system of an air cooling device of a turbo generator set comprises a spray atomization pump, wherein a water inlet end of the spray atomization pump is communicated with a water tank, a mist outlet end of the spray atomization pump is connected into a plurality of cooling device air chambers through a main pipe, a plurality of branch pipes are arranged in each cooling device air chamber, one ends of the branch pipes are communicated with the main pipe, the other ends of the branch pipes are closed ends, and a plurality of spray guns are arranged on each branch pipe;
the structure of the spray gun is as follows: the spray head is connected to the branch pipe, and the plurality of nozzles are uniformly distributed on the surface of the spray head.
The shower nozzle is protruding type structure, the tip and the branch pipe intercommunication of shower nozzle, be provided with the centre bore on the main aspects of shower nozzle and surround the hole that distributes around the circular array of centre bore, the centre bore with encircle the hole all with the branch pipe intercommunication, just the centre bore with encircle downthehole nozzle that all is provided with.
The main pipe is provided with a water drain valve.
The end part of the main pipe is provided with a steam release valve.
The water inlet pipe of the water tank is connected with the demineralized water tank.
The branch pipes are symmetrically arranged at the left side and the right side of each row of radiating fins.
The connecting part of the branch pipe and the main pipe is provided with a valve, and the valve is arranged on the branch pipe.
Compared with the prior art, the utility model beneficial effect who has is: the utility model discloses unit efficiency improves 20% before the existing equipment, and single machine generates electricity all the year and improves 2000 ten thousand kWh, reduces air cooling fin scale deposit ash corrosion problem, improve equipment life with dust filtration purification in the air when using through spraying system to reduce air temperature. The input rate of the spraying system can be flexibly adjusted according to the change of the environmental temperature, and the operation is simple, flexible and convenient
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the spray gun of the present invention.
Fig. 3 is a cross-sectional view of fig. 2.
In the figure: 1 is a spray atomizing pump, 2 is a water tank, 3 is a cooling device air chamber, 4 is a branch pipe, 5 is a spray gun, 51 is a spray head, 52 is a spray nozzle, 6 is a water drain valve, 7 is a steam release valve, 8 is a demineralized water tank, 9 is a cooling fin, and 10 is a valve.
Detailed Description
As shown in fig. 1, fig. 2 and fig. 3, the utility model relates to a spray atomization system of air cooling device of turbo generator set, including spray atomizing pump 1, the water inlet end of spray atomizing pump 1 communicates with water tank 2, the end of spraying of spray atomizing pump 1 is connected in a plurality of cooling device plenums 3 through the main pipe, all is provided with a plurality of branch pipes 4 in each cooling device plenum 3, the one end of branch pipe 4 communicates with the main pipe, the other end of branch pipe 4 is the blind end, all is provided with a plurality of spray guns 5 on each branch pipe 4;
the structure of the spray gun 5 is as follows: the spray head 51 is connected to the branch pipe 4, and the plurality of spray nozzles 52 are uniformly distributed on the surface of the spray head 51.
The main pipe is provided with a water drain valve 6.
The end of the main pipe is provided with a steam release valve 7.
The water inlet pipe of the water tank 2 is connected with a demineralized water tank 8.
The branch pipes 4 are symmetrically arranged at the left and right sides of each row of the radiating fins 9.
And a valve 10 is arranged at the connecting part of the branch pipe 4 and the main pipe, and the valve 10 is arranged on the branch pipe 4.
The utility model discloses a theory of operation does: one set of spray atomization device is newly added in the originally designed cooling device, thereby reducing the air entering the cooling device through the mixing of partial air of pressurized atomized demineralized water, and partial atomized water drops fall on the heat dissipation sheet to reach the cooling effect.
The present invention will be described in detail with reference to the following embodiments.
Selecting one flow rate of 6m3The pressure pump with the pressure of 4.0Mpa is led into each cooling device air chamber through a phi 57mm steel pipe, two rows of branch pipes with the diameter of 32mm are designed in each air chamber, 6 groups of atomizing spray guns with the aperture of 1.5mm are arranged on each branch pipe, 7 small nozzles with the aperture of 0.5mm are arranged on the upper part of each spray gun and spray in a fan shape, and DN25 ball valves are arranged between the spray heads, so that the spray guns can be conveniently cleaned and isolated.
The utility model discloses unit efficiency improves 20% before the existing equipment, and single machine generates electricity all the year and improves 2000 ten thousand kWh, reduces air cooling fin scale deposit ash corrosion problem, improve equipment life with dust filtration purification in the air when using through spraying system to reduce air temperature. The input rate of the spraying system can be flexibly adjusted according to the change of the environmental temperature, and the operation is simple, flexible and convenient
The utility model discloses according to the unit power size of power generation enterprise, the whole heat radiating area of accounting steam turbine air cooling device atomizes through the area calculation and sprays cooling device design flowmeter atomizing spout quantity and angle, calculates the spray tank of accomplishing back installation volume size, selects high pressure water pump flow and lift.
The utility model adopts a common carbon steel pipe as the main spraying pipe; two support fixing pipelines are arranged in each air chamber, and the left side and the right side of each row of cooling fins are provided with spraying branch pipes; the left side and the right side in each air chamber are provided with 6 groups of spray guns; the spray guns are made of fan-shaped stainless steel materials, and each spray gun consumes 0.25m of water per hour3. A45-degree groove is polished before the steel pipe is welded, a common welding material J422 is adopted, and impurities in the pipeline are flushed and cleaned and then transported. The pipeline and the system are fully washed by demineralized water before use at each time, each small spray nozzle is installed after washing, the spraying facility is put into operation when the rotating speed of the fan is adjusted to a rated value and the requirement of the unit on operation is not met, and the high-pressure water pump can be stopped when the ambient temperature at night is reduced.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (7)
1. The spray atomization system of the air cooling device of the turbo generator set is characterized by comprising a spray atomization pump (1), wherein the water inlet end of the spray atomization pump (1) is communicated with a water tank (2), the mist outlet end of the spray atomization pump (1) is connected into a plurality of cooling device air chambers (3) through a main pipe, a plurality of branch pipes (4) are arranged in each cooling device air chamber (3), one ends of the branch pipes (4) are communicated with the main pipe, the other ends of the branch pipes (4) are closed ends, and a plurality of spray guns (5) are arranged on each branch pipe (4);
the structure of the spray gun (5) is as follows: the spray head (51) is connected to the branch pipe (4), and the plurality of nozzles (52) are uniformly distributed on the surface of the spray head (51).
2. The spray atomization system of the air cooling device of the steam turbine generator unit as claimed in claim 1, wherein the spray head (51) is of a convex structure, the small end of the spray head (51) is communicated with the branch pipe (4), the large end of the spray head (51) is provided with a central hole and surrounding holes distributed in a circular array around the central hole, the central hole and the surrounding holes are both communicated with the branch pipe (4), and the central hole and the surrounding holes are both provided with nozzles (52).
3. The spray atomization system of the air cooling device of the steam turbine generator unit as claimed in claim 1, wherein the main pipe is provided with a water drain valve (6).
4. The spray atomization system of the air cooling device of the steam turbine generator unit as claimed in claim 1, wherein the end of the main pipe is provided with a steam release valve (7).
5. The spray atomization system of the air cooling device of the steam turbine generator unit as claimed in claim 1, characterized in that the water inlet pipe of the water tank (2) is connected with a demineralized water tank (8).
6. The spray atomization system of the air cooling device of the steam turbine generator unit as claimed in claim 1, wherein the branch pipes (4) are symmetrically arranged on the left and right sides of each row of cooling fins (9).
7. The spray atomization system of the air cooling device of the steam turbine generator unit as claimed in claim 1, wherein a valve (10) is arranged at the connection part of the branch pipe (4) and the main pipe, and the valve (10) is arranged on the branch pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920539975.XU CN210264833U (en) | 2019-04-19 | 2019-04-19 | Spraying and atomizing system of air cooling device of steam turbine generator unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920539975.XU CN210264833U (en) | 2019-04-19 | 2019-04-19 | Spraying and atomizing system of air cooling device of steam turbine generator unit |
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| Publication Number | Publication Date |
|---|---|
| CN210264833U true CN210264833U (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920539975.XU Active CN210264833U (en) | 2019-04-19 | 2019-04-19 | Spraying and atomizing system of air cooling device of steam turbine generator unit |
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| CN (1) | CN210264833U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112177761A (en) * | 2020-09-30 | 2021-01-05 | 山西凯嘉煤层气发电有限公司 | Atomizing and cooling system of remote heat dissipation water tank of gas generator set |
| CN114887373A (en) * | 2022-06-14 | 2022-08-12 | 江苏新宏大集团有限公司 | Split type modularization towards sediment device |
-
2019
- 2019-04-19 CN CN201920539975.XU patent/CN210264833U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112177761A (en) * | 2020-09-30 | 2021-01-05 | 山西凯嘉煤层气发电有限公司 | Atomizing and cooling system of remote heat dissipation water tank of gas generator set |
| CN114887373A (en) * | 2022-06-14 | 2022-08-12 | 江苏新宏大集团有限公司 | Split type modularization towards sediment device |
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