CN209802136U - atmospheric flash vessel cooling spraying system - Google Patents
atmospheric flash vessel cooling spraying system Download PDFInfo
- Publication number
- CN209802136U CN209802136U CN201920357000.5U CN201920357000U CN209802136U CN 209802136 U CN209802136 U CN 209802136U CN 201920357000 U CN201920357000 U CN 201920357000U CN 209802136 U CN209802136 U CN 209802136U
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- spray
- pipe
- water inlet
- flash tank
- metal hose
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- 238000005507 spraying Methods 0.000 title claims abstract description 36
- 238000001816 cooling Methods 0.000 title claims abstract description 18
- 239000007921 spray Substances 0.000 claims abstract description 65
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 238000002955 isolation Methods 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 20
- 230000001105 regulatory effect Effects 0.000 claims abstract description 8
- 238000009529 body temperature measurement Methods 0.000 claims 1
- 230000003020 moisturizing effect Effects 0.000 abstract description 4
- 230000002209 hydrophobic effect Effects 0.000 abstract description 3
- 238000000605 extraction Methods 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 5
- 239000000779 smoke Substances 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000007701 flash-distillation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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Abstract
The utility model relates to an atmosphere formula flash vessel cooling spraying system, include: the water inlet main pipe is provided with a spraying water inlet regulating valve, a metal hose connected with an outlet of the water inlet main pipe, the metal hose is provided with a spray pipe isolation valve and a spray pipe connected with an outlet of the metal hose, and the spray pipe is arranged in an exhaust pipe of the atmospheric flash tank. Compared with the prior art, the utility model discloses install the shower additional in atmosphere formula flash vessel steam extraction pipe, carry out the hybrid through introducing demineralized water to high temperature steam and spray, the steam condenses the back working medium and utilizes former hydrophobic pipeline to retrieve, practices thrift the moisturizing of power plant, and reduce cost can also avoid atmospheric thermal pollution.
Description
Technical Field
The utility model relates to a spraying system especially relates to an atmosphere formula flash tank cooling spraying system.
Background
The atmospheric flash tank is common equipment in enterprises such as a power plant and the like, and mainly has the functions of receiving high-temperature drain generated in the operation of a boiler, separating steam from water after the drain is subjected to flash tank expansion and pressure reduction, recycling the drain, and discharging the high-temperature steam into the atmosphere through a steam discharge pipe.
High-temperature steam separated from steam and water of the atmospheric flash tank is directly discharged into the atmosphere, so that a large amount of working medium loss is caused, the operation water replenishing cost of a power plant is increased, and the economic benefit of an enterprise is reduced. Meanwhile, a large amount of high-temperature steam is discharged from a steam discharge pipe opening of the flash tank, so that the atmospheric environment is thermally polluted, white smoke plume is caused, and the integral environment-friendly image of the power plant is influenced.
chinese patent CN201903046U discloses a flash-type oxygen-eliminating device feeds water, including heating oxygen-eliminating device, this heating oxygen-eliminating device's export is provided with the deoxidization water storage device, and this heating oxygen-eliminating device's entry then is provided with the condensate water installations, still includes flash expansion device, and this flash expansion device receives the boiler waste heat and flashes its inside flash distillation water out the flash steam to carry this flash steam to heating oxygen-eliminating device's heating steam entry. The patent still fails to solve the problem of reducing energy consumption.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is to provide an atmospheric flash tank cooling spraying system for overcoming the defects of the prior art and avoiding the atmospheric thermal pollution and reducing the energy consumption.
the purpose of the utility model can be realized through the following technical scheme:
An atmospheric flash tank cooling spray system comprising:
A water inlet main pipe, a spraying water inlet regulating valve is arranged on the water inlet main pipe,
The metal hose connected with the outlet of the water inlet main pipe absorbs the expansion and the operation vibration of the system by utilizing the metal hose, the metal hose is provided with a spray pipe isolation valve,
And the spray pipe is connected with the outlet of the metal hose and is arranged in the exhaust pipe of the atmospheric flash tank.
The metal hoses are of a plurality of parallel structures, the inlet of each metal hose is connected with the outlet of the water inlet main pipe, and the outlets of the metal hoses are connected with the spray pipes.
and a main spraying water inlet valve is arranged at the inlet end of the main water inlet pipe.
And a spray water inlet isolation valve is arranged on the water inlet main pipe and is arranged on a pipeline in front of the inlet of the spray water inlet regulating valve.
The water inlet main pipe is provided with a flowmeter which is arranged on a pipeline behind the outlet of the spraying water inlet regulating valve.
And a temperature measuring device is arranged in the exhaust pipe of the atmospheric flash tank.
The demineralized water enters the spraying system main pipe through the spraying water inlet main valve, the spraying water inlet isolation valve and the spraying water inlet adjusting valve. The desalted water from the main pipe is divided into a plurality of pipelines through the spray pipe isolation valves and enters the spray pipes respectively. In the exhaust pipe of the atmospheric flash tank, desalted water and high-temperature steam sprayed from the spray pipe are mixed for spraying, and the high-temperature steam is cooled. The working medium is recovered after the high-temperature steam is condensed, and the direct exhaust of the steam in the steam exhaust pipe to the atmosphere is eliminated. The system adopts two-stage multi-layer flow control, and the flow of the demineralized water main pipe is controlled by a spraying water inlet regulating valve; and controlling the flow of each layer of spray pipe through each spray pipe isolation valve. And the system spraying water flow is collected and analyzed through a flowmeter. The steam temperature of the steam exhaust pipe is measured in real time through the temperature measuring device, so that the opening degree of the spraying water inlet adjusting valve is automatically adjusted, and the automatic control of a spraying system is optimized.
Install the shower additional in atmosphere formula flash vessel exhaust pipe inside, carry out the hybrid through introducing demineralized water to high temperature steam and spray, the steam condenses the back working medium and utilizes former hydrophobic pipeline to retrieve, practices thrift the moisturizing of power plant, reduces the cost in business, improves the performance of enterprises.
After spray cooling, the direct exhaust of steam in the exhaust pipe to the atmosphere is eliminated, the atmospheric thermal pollution is avoided, the white smoke plume phenomenon is eliminated, the environmental protection image of enterprises is improved, and the good social benefit is achieved.
Compared with the prior art, the utility model has the advantages of it is following:
Firstly, energy consumption is reduced, and economic benefits are improved: through installing spray system additional at atmospheric flash vessel exhaust pipe, utilize the demineralized water to carry out the hybrid to high temperature steam and spray, avoided the atmospheric working medium loss of steam direct discharge, effectively practice thrift the moisturizing of power plant, practice thrift the manufacturing cost of enterprise, improve economic benefits. Actual operation data shows that 50 tons of desalted water can be recovered on average every day after a million units of boilers put into the system, the yield is more than 20 ten thousand yuan every year according to 11 yuan/ton of desalted water, and the system has good economic benefit.
Secondly, eliminate the direct discharge of steam, improve the environmental protection image: after the spraying system is put into use, high-temperature steam separated by the atmospheric flash tank can be cooled, the steam of the steam exhaust pipe is prevented from directly discharging into the atmosphere, thermal pollution and white smoke plume are eliminated, the overall environment-friendly image of a power plant is improved, and good social benefits are achieved.
Thirdly, the application range is wide: the system investment is less, the income is showing, and the operation is stable, all can realize energy-concerving and environment-protective effect through installing additional cooling spraying system at enterprises such as power plant that is equipped with atmospheric flash tank.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1 is a main spray water inlet valve, 2 is a spray water inlet isolation valve, 3 is a spray water inlet adjusting valve, 4 is a third spray pipe isolation valve, 5 is a second spray pipe isolation valve, 6 is a first spray pipe isolation valve, 7 is a flow meter, 8 is a temperature measuring device, 9 is a metal hose, 10 is a third spray pipe, 11 is a second spray pipe, and 12 is a first spray pipe.
Detailed Description
the present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
Examples
An atmospheric flash tank cooling spraying system is shown in figure 1 and comprises a main spraying water inlet valve 1, a spraying water inlet isolation valve 2, a spraying water inlet adjusting valve 3 and a flowmeter 7 which are sequentially connected to a water inlet main pipe. And spraying cooling water after the flowmeter 7 is divided into three paths, and water is supplied to a third spray pipe 10, a second spray pipe 11 and a first spray pipe 12 through a third spray pipe isolation valve 4, a second spray pipe isolation valve 5 and a first spray pipe isolation valve 6 respectively. A temperature measuring device 8 is attached to the upper portion of the uppermost third nozzle 10. The three spraying water inlets are connected with a spray pipe in a steam exhaust pipe of the flash tank through a metal hose 9, and the expansion and operation vibration of the system are absorbed through the metal hose 9.
The demineralized water enters a main pipe of the spraying system through a main spraying water inlet valve 1, a spraying water inlet isolation valve 2 and a spraying water inlet adjusting valve 3. Desalted water from the main pipe passes through a first spray pipe isolation valve 6, a second spray pipe isolation valve 5 and a third spray pipe isolation valve 4 which are divided into three paths to enter a first spray pipe 12, a second spray pipe 11 and a third spray pipe 10 respectively. In the exhaust pipe of the atmospheric flash tank, demineralized water and high-temperature steam sprayed from the spray pipe are mixed for spraying, and the high-temperature steam is cooled. The working medium is recovered after the high-temperature steam is condensed, and the direct exhaust of the steam in the steam exhaust pipe to the atmosphere is eliminated. The system adopts two-stage multilayer flow control. The flow of the demineralized water main pipe is controlled by a spraying water inlet regulating valve 3; the flow of each layer of spray pipes is controlled through a first spray pipe isolation valve 6, a second spray pipe isolation valve 5 and a third spray pipe isolation valve 4. The flow of the system spray water is collected and analyzed through a flowmeter 7. The steam temperature of the steam exhaust pipe is measured in real time through the temperature measuring device 8, so that the opening degree of the spraying water inlet adjusting valve 3 is automatically adjusted, and the automatic control of a spraying system is optimized.
Through at the inside shower that installs additional of atmospheric formula flash vessel exhaust pipe, introduce demineralized water and carry out the hybrid to high temperature steam and spray, the steam condenses the back working medium and utilizes former hydrophobic pipeline to retrieve, practices thrift the moisturizing of power plant, reduces the cost in business, improves the performance of enterprises. The spray cooling treatment can eliminate the direct discharge of steam in the steam exhaust pipe into the atmosphere, avoid the atmospheric thermal pollution, eliminate the white smoke plume phenomenon, improve the environmental protection image of enterprises and have good social benefits.
The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.
Claims (8)
1. an atmospheric flash tank cooling spray system, comprising:
A water inlet main pipe, a spraying water inlet regulating valve is arranged on the water inlet main pipe,
A metal hose connected with the outlet of the water inlet main pipe, wherein the metal hose is provided with a spray pipe isolation valve,
and the spray pipe is connected with the outlet of the metal hose and is arranged in the exhaust pipe of the atmospheric flash tank.
2. The atmospheric flash tank cooling spray system of claim 1, wherein the metal hose is a plurality of parallel structures.
3. The atmospheric flash tank cooling spray system of claim 2, wherein the inlet of each metal hose is connected to the outlet of the water inlet manifold.
4. The atmospheric flash tank cooling spray system of claim 2, wherein the metal hoses are connected in parallel, and an outlet of each metal hose is connected with the spray pipe.
5. The atmospheric flash tank cooling spray system of claim 1, wherein said inlet header inlet port is provided with a spray inlet header valve.
6. The atmospheric flash tank cooling spray system of claim 1, wherein said inlet manifold is provided with a spray inlet isolation valve, said spray inlet isolation valve being disposed on the conduit before the inlet of said spray inlet regulating valve.
7. The atmospheric flash tank cooling spray system of claim 1, wherein said inlet manifold is provided with a flow meter, said flow meter being disposed in said conduit after said spray inlet damper outlet.
8. The atmospheric flash tank cooling spray system of claim 1, wherein a temperature measurement device is provided in the atmospheric flash tank exhaust pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920357000.5U CN209802136U (en) | 2019-03-20 | 2019-03-20 | atmospheric flash vessel cooling spraying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920357000.5U CN209802136U (en) | 2019-03-20 | 2019-03-20 | atmospheric flash vessel cooling spraying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209802136U true CN209802136U (en) | 2019-12-17 |
Family
ID=68825515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920357000.5U Active CN209802136U (en) | 2019-03-20 | 2019-03-20 | atmospheric flash vessel cooling spraying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209802136U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118896290A (en) * | 2024-07-08 | 2024-11-05 | 华能上海燃机发电有限责任公司 | Boiler drain temperature reduction control method, device and system |
-
2019
- 2019-03-20 CN CN201920357000.5U patent/CN209802136U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118896290A (en) * | 2024-07-08 | 2024-11-05 | 华能上海燃机发电有限责任公司 | Boiler drain temperature reduction control method, device and system |
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