CN211260757U - Equipment for utilizing waste heat of power plant continuous emission flash tank - Google Patents
Equipment for utilizing waste heat of power plant continuous emission flash tank Download PDFInfo
- Publication number
- CN211260757U CN211260757U CN201921903972.6U CN201921903972U CN211260757U CN 211260757 U CN211260757 U CN 211260757U CN 201921903972 U CN201921903972 U CN 201921903972U CN 211260757 U CN211260757 U CN 211260757U
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- Prior art keywords
- water
- heat exchanger
- flash tank
- tank
- power plant
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- Expired - Fee Related
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- 239000002918 waste heat Substances 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 108
- 239000007789 gas Substances 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 10
- 239000002351 wastewater Substances 0.000 claims description 9
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000011033 desalting Methods 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000003287 bathing Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Images
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- Steam Or Hot-Water Central Heating Systems (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses a device for utilizing waste heat of a power plant continuous-row flash tank, which comprises a water tank, a heater, a continuous-row flash tank, a heat supply circulating water pump, a heat exchanger and a heating supply area, wherein the front end of the water tank is provided with a deaerator, the left end of the water tank is connected with self-desalting water through a control valve, and a water pump is arranged between the control valve and the water tank; the right end of the water tank is connected with the heater, water enters the heater to be heated and enters the continuous discharge flash tank through the output pipe, the continuous discharge flash tank conveys hot water to a bathhouse and a bathroom through the hot water pipe for water use, the other end of the continuous discharge flash tank is conveyed to the heat supply circulating water pump through the gas pipe, water vapor is conveyed to the heat exchanger through the hot water pump in the heat supply circulating water pump, and the heat exchanger conveys high-temperature gas to a living area and an office area through the ball valve; the utility model provides a flash tank waste heat utilization's equipment is even arranged in power plant equipment, the abundant waste heat of utilizing power plant of this equipment reduces the heat loss of power plant, improves the economic benefits of power plant.
Description
Technical Field
The utility model relates to a power plant technical field especially relates to a power plant is flash tank waste heat utilization's equipment even arranged.
Background
The blow-down flash tank is also called blow-down expansion tank, and is designed and manufactured by a pressure container GB 150-98. The flash tank is divided into a continuous blowdown flash tank, a periodic blowdown flash tank and a drain flash tank. The flash vessel is connected with the drain of boiler, is used for the steam blowdown decompression dilatation of boiler, and the adiabatic expansion separation of blow off water is secondary steam and waste heat water in the expander to through dilatation, step-down, heat exchange in the expander, then discharge, secondary steam is drawn forth by special pipeline, and waste heat water is discharged away through floater liquid level valve or overflow regulating valve is automatic, and heat energy can obtain the recovery and reuse. The continuous sewage discharge amount is automatically adjusted along with the change of the boiler water supply load, and the relatively stable sewage discharge rate is kept. The working process of the flash tank is as follows: the boiler blow-off water is continuously and uniformly connected into the blow-off flash tank, the blow-off water makes tangential motion in the cylindrical partition plate at the middle part of the shell and is immediately vaporized into secondary steam, the secondary steam is subjected to steam-water separation by the upper louver type steam-water separator, and then the deaerator is introduced into the outlet at the top of the continuous drainage, and the remained blow-off water is discharged through the water level regulating valve.
At present, heat energy in a power plant is lost more, heating and hot water supply are both single and are not integrated together, in addition, the loss in the heat transmission process is large, the waste heat and heat loss of the power plant are large, and systematic collection and utilization of the lost heat and energy consumption are lacked.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem existing in the background technology, the novel device for utilizing the waste heat of the continuous emission flash tank of the power plant is provided by the use, the waste heat of the power plant is fully utilized by the device, the heat loss of the power plant is reduced, and the economic benefit of the power plant is improved.
The utility model discloses a realize like this, a power plant connects and arranges flash tank waste heat utilization's equipment even, including water tank, heater, connects flash tank, heat supply circulating water pump, heat exchanger and warm air supply region even, the water tank front end is equipped with the oxygen-eliminating device, the water tank left end is connected with the self-demineralized water through the control valve, is equipped with the water pump between control valve and the water tank; the hot water supply system is characterized in that the right end of the water tank is connected with a heater, water enters the heater to be heated and enters the continuous-discharge flash tank through an output pipe, the continuous-discharge flash tank conveys hot water to a bathhouse and a bathroom through a hot water pipe, the other end of the continuous-discharge flash tank is conveyed to a heat supply circulating water pump through a gas pipe, water vapor is conveyed into a heat exchanger through a hot water pump in the heat supply circulating water pump, and high-temperature gas is conveyed to a living area and an office area through a ball valve.
Furthermore, the water vapor enters from a water pump air inlet of a hot water pump in the heat supply circulating water pump and is discharged from a water pump air outlet, the discharged water vapor enters the heat exchanger through a hot water pump pipeline through a heat exchanger air inlet, and the heat exchanger discharges high-temperature gas through a heat exchanger air outlet.
Furthermore, high-temperature gas discharged from the gas outlet of the heat exchanger is controlled by a ball valve to enter a heat exchanger pipeline, and a heat meter is installed on the heat exchanger pipeline.
Furthermore, a first-stage air valve is arranged at the upper end of a living area in the central heating supply area, air enters the living area through a first-stage air valve through an air inlet of the living area, and generated wastewater is discharged from an air outlet of the living area; and a second-stage air valve is arranged at the upper end of an office area in the heating supply area, gas enters the office area through the second-stage air valve through an air inlet of the office area, and generated wastewater is discharged from an air outlet of the office area.
Furthermore, the waste water at the air outlets of the living area and the office area returns to the water tank through the first-stage water valve.
Further, the heat exchanger is provided with a liquid valve, and liquid generated by the heat exchanger enters the water tank through the liquid valve.
The utility model provides a pair of flash tank waste heat utilization's equipment advantage lies in even in power plant: firstly, the utility model heats the continuous-discharge steam heating forced closed circulation demineralized water system to heat the living area and the office area of the whole plant in winter; secondly, continuously discharging steam to Huayuan hot water marketing limited company, adopting two heat exchange modes of a plate heat exchanger and a mixed heat exchanger to heat tap water for bathing rooms and bathrooms in urban areas; finally, the waste heat of the power plant is fully utilized, the heat loss of the power plant is reduced, and the economic benefit of the power plant is improved.
Drawings
FIG. 1 is a schematic diagram of a waste heat utilization apparatus of a power plant expansion tank;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to fig. 1. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The utility model discloses a realize like this, a power plant is connected and is arranged flash tank waste heat utilization's equipment even, including water tank 100, heater 200, be connected flash tank 300, heat supply circulating water pump 400, heat exchanger 500 and warm air supply region 600, the water tank 100 front end is equipped with oxygen-eliminating device 105, the water tank 100 left end is connected with from demineralized water 101 through control valve 103, is equipped with water pump 104 between control valve 103 and the water tank 100; the right end of the water tank 100 is connected with the heater 200, water enters the heater 200 to be heated and enters the continuous discharge flash tank 300 through the output pipe 107, hot water is conveyed to a bathhouse and a bathroom by the continuous discharge flash tank 300 through the hot water pipe 301 for water 302, the other end of the continuous discharge flash tank 300 is conveyed to the heat supply circulating water pump 400 through the air conveying pipe 303, water vapor is conveyed to the heat exchanger 500 through the hot water pump 401 in the heat supply circulating water pump 400, and high-temperature gas is conveyed to a living area 603 and an office area 604 through the ball valve 504 by the heat exchanger 500.
The water vapor enters from a water pump air inlet 401-1 of a hot water pump 401 in the heat supply circulating water pump 400 and is discharged through a water pump air outlet 401-2, the discharged water vapor enters into the heat exchanger 500 through a hot water pump pipeline 501 through a heat exchanger air inlet 500-1, and the heat exchanger 500 discharges high-temperature gas through a heat exchanger air outlet 500-2.
High-temperature gas discharged from the gas outlet 500-2 of the heat exchanger is controlled by a ball valve 504 to enter a heat exchanger pipeline 505, and a heat meter 506 is installed on the heat exchanger pipeline 505.
A first-stage air valve 601 is arranged at the upper end of a living area 603 in the central heating supply area 600, air enters the living area 603 through a first-stage air valve 601 through a living area air inlet 603-1, and generated waste water is discharged from a living area air outlet 603-2; a secondary air valve 602 is arranged at the upper end of an office area 604 in the heating supply area 600, air enters the office area 604 through an air inlet 604-1 of the office area by the secondary air valve 602, and generated waste water is discharged from an air outlet 604-2 of the office area.
The waste water at the living area air outlet 603-2 and the office area air outlet 604-2 returns to the water tank 100 through the first-stage water valve 605.
The heat exchanger 500 is provided with a liquid valve 500-3, and liquid generated by the heat exchanger enters the water tank 100 through the liquid valve 500-3.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The waste heat utilization equipment of the power plant continuous emission flash tank comprises a water tank (100), a heater (200), a continuous emission flash tank (300), a heat supply circulating water pump (400), a heat exchanger (500) and a warm air supply area (600), and is characterized in that a deaerator (105) is arranged at the front end of the water tank (100), the left end of the water tank (100) is connected with self-desalted water (101) through a control valve (103), and a water pump (104) is arranged between the control valve (103) and the water tank (100); the utility model discloses a solar water heater, including water tank (100), water tank (100) right-hand member and heater (200) are connected, water gets into heater (200) heating and gets into even row flash tank (300) through output tube (107), even arrange flash tank (300) and carry hot water for bathhouse and bathroom water (302) through hot-water line (301), even arrange flash tank (300) other end and carry to heat supply circulating water pump (400) through gas-supply pipe (303), hot-water pump (401) in through heat supply circulating water pump (400) send steam into heat exchanger (500), heat exchanger (500) convey high-temperature gas to living area (603) and office space (604) through ball valve (504).
2. The waste heat utilization device of the power plant continuous emission flash tank is characterized in that water vapor enters from a water pump air inlet (401-1) of a hot water pump (401) in a heat supply circulating water pump (400) and is discharged through a water pump air outlet (401-2), the discharged water vapor enters into the heat exchanger (500) through a hot water pump pipeline (501) through a heat exchanger air inlet (500-1), and the heat exchanger (500) discharges high-temperature gas through a heat exchanger air outlet (500-2).
3. The waste heat utilization equipment for the flash tank of the power plant in the continuous row is characterized in that high-temperature gas discharged from the gas outlet (500-2) of the heat exchanger enters a heat exchanger pipeline (505) through a ball valve (504), and a heat meter (506) is installed on the heat exchanger pipeline (505).
4. The waste heat utilization equipment of the power plant continuous emission flash tank is characterized in that a first-stage air valve (601) is arranged at the upper end of a living area (603) in a heating supply area (600), air enters the living area (603) through a first-stage air valve (601) through a living area air inlet (603-1), and generated waste water is discharged from a living area air outlet (603-2); a secondary air valve (602) is arranged at the upper end of an office area (604) in the heating supply area (600), air enters the office area (604) through an air inlet (604-1) of the office area through the secondary air valve (602), and generated waste water is discharged from an air outlet (604-2) of the office area.
5. The waste heat utilization device of the power plant continuous emission flash tank is characterized in that waste water at an air outlet (603-2) of a living area and an air outlet (604-2) of an office area returns to the water tank (100) through a primary water valve (605).
6. The device for utilizing the waste heat of the flash tank connected in series at the power plant as claimed in claim 1, wherein the heat exchanger (500) is provided with a liquid valve (500-3), and the liquid generated by the heat exchanger enters the water tank (100) through the liquid valve (500-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921903972.6U CN211260757U (en) | 2019-11-06 | 2019-11-06 | Equipment for utilizing waste heat of power plant continuous emission flash tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921903972.6U CN211260757U (en) | 2019-11-06 | 2019-11-06 | Equipment for utilizing waste heat of power plant continuous emission flash tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211260757U true CN211260757U (en) | 2020-08-14 |
Family
ID=71959632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921903972.6U Expired - Fee Related CN211260757U (en) | 2019-11-06 | 2019-11-06 | Equipment for utilizing waste heat of power plant continuous emission flash tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211260757U (en) |
-
2019
- 2019-11-06 CN CN201921903972.6U patent/CN211260757U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200814 |