CN212430821U - Waste heat recovery device for recovering fixed exhaust heat of boiler to save energy - Google Patents
Waste heat recovery device for recovering fixed exhaust heat of boiler to save energy Download PDFInfo
- Publication number
- CN212430821U CN212430821U CN202020664765.6U CN202020664765U CN212430821U CN 212430821 U CN212430821 U CN 212430821U CN 202020664765 U CN202020664765 U CN 202020664765U CN 212430821 U CN212430821 U CN 212430821U
- Authority
- CN
- China
- Prior art keywords
- water
- boiler
- gas
- steam
- flash tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Landscapes
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
The utility model relates to a be used for retrieving boiler and decide row's heat with energy-conserving waste heat recovery device, the flash tank is decided to arrange including the boiler, the catch water heat exchanger, gas-water separator, heat supply network return water system, the boiler is decided and is arranged the flash tank and have exhaust house steward and drain house steward, the steam inlet pipe connection of exhaust house steward and catch water heat exchanger, the play steam port of catch water heat exchanger and gas-water separator's steam inlet pipe connection, gas-water separator's drain house steward pipe connection and boiler are decided and are arranged the flash tank's of flash tank, gas-water heat exchanger's water inlet and make-up water piping connection, the drain house steward's delivery port and the drain house steward pipe line connection of boiler are decided and are arranged the flash tank, pass through valve and drain well pipe connection on the one hand, pass through. The waste heat recovery device for recovering the boiler constant heat emission to save energy contributes to energy conservation and emission reduction of a thermoelectric enterprise, and meanwhile, good economic benefits are generated for the enterprise.
Description
Technical Field
The utility model belongs to the technical field of the energy-conserving technique of boiler and specifically relates to a waste heat recovery device for retrieving boiler heat of surely arranging with energy-conservation.
Background
In order to implement the policy of building an environment-friendly and resource-saving society, the power generation is used as a technology-intensive industry, and the improvement of the energy efficiency of the power generation is firstly realized, so that the energy conservation and emission reduction are not only the requirements of the country on enterprises, but also an inevitable choice for the enterprises to pursue the maximization of the benefit. When the existing thermal power plant boiler normally operates, the periodic discharge capacity is large, a large amount of heat loss is caused by fixed discharge, and a large amount of condensed water is brought out, so that a large amount of heat energy and water resources are wasted, and the emission pollution is also brought.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the waste heat recovery device is used for recovering the constant heat emission quantity of the boiler to save energy, solves the problems pointed out in the background technology and achieves the purposes of energy conservation and emission reduction.
The utility model provides a technical scheme that its technical problem adopted is: a waste heat recovery device for recovering the heat of the boiler constant discharge to save energy comprises a boiler constant discharge flash tank and a steam-water heat exchanger, the boiler fixed-row flash tank is provided with an exhaust main pipe and a drainage main pipe, wherein the exhaust main pipe is connected with a steam inlet pipeline of the gas-water separator and is provided with a control valve, the exhaust main pipe is connected with a steam inlet pipeline of the gas-water heat exchanger, the steam outlet of the gas-water heat exchanger is connected with a steam inlet pipeline of the gas-water separator, a drainage port of the gas-water separator is connected with a drainage main pipe pipeline of the boiler fixed-row flash tank, a water inlet of the gas-water heat exchanger is connected with a water supplementing pipe, a water outlet of the gas-water heat exchanger is connected with a drainage main pipe of the boiler fixed-row flash tank, a water outlet of the drainage main pipe is connected with a drainage well pipeline through a valve, and the water outlet of the drainage main pipe is connected with a heat supply.
The working principle of the device is as follows: after boiler exhaust enters a boiler fixed-row flash tank, the boiler exhaust enters a steam-water heat exchanger through an exhaust main pipe, meanwhile, make-up water enters the steam-water heat exchanger through a make-up water pipe and exchanges heat with boiler exhaust entering the steam-water heat exchanger, the temperature and the pressure of the boiler exhaust after heat exchange are greatly reduced and enter a gas-water separator through a pipeline, moisture in the exhaust is separated and flows back to a drain main pipe, the make-up water heated by the boiler exhaust also flows into the drain main pipe, and mixed hot water in the drain main pipe can be pumped into a heat network water return system through a variable-frequency drain pump to be recycled and stored in a drain well. In the device, the boiler exhaust gas entering the boiler fixed-discharge flash tank can also directly enter the gas-water separator through the control valve to be dehydrated and exhausted.
Furthermore, the exhaust main pipe of the boiler fixed-discharge flash tank is connected with the steam inlet pipeline of the gas-water separator, and a safety valve is arranged on the pipeline.
The utility model has the advantages that: the waste heat recovery device for recovering the boiler constant heat emission to save energy contributes to energy conservation and emission reduction of a thermoelectric enterprise, and meanwhile, good economic benefits are generated for the enterprise.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. boiler fixed-row flash tank 1-1, exhaust main pipe 1-2, drain main pipe 2, steam-water heat exchanger 3, gas-water separator 4, heat supply network backwater system 5, control valve 6, safety valve 7, make-up water pipe 8, drain well 9, variable-frequency drain pump
Detailed Description
A waste heat recovery device for recovering boiler fixed exhaust heat to save energy is disclosed, as shown in figure 1, comprising a boiler fixed exhaust flash tank 1, a steam-water heat exchanger 2, a gas-water separator 3 and a heat supply network backwater system 4, wherein the boiler fixed exhaust flash tank 1 is provided with an exhaust main pipe 1-1 and a drain main pipe 1-2, the exhaust main pipe 1-1 is connected with a steam inlet pipeline of the gas-water separator 3 on one hand and is provided with a control valve 5 on the pipeline, on the other hand, the exhaust main pipe is connected with a steam inlet pipeline of the steam-water heat exchanger 2, a steam outlet of the steam-water heat exchanger 2 is connected with a steam inlet pipeline of the gas-water separator 3, a drain port of the gas-water separator 3 is connected with the drain main pipe 1-2 of the boiler fixed exhaust flash tank 1 through a pipeline, a water inlet of the steam-water heat exchanger 2 is connected with a water supply pipe 7, a water outlet of the steam, the water outlet of the drainage header pipe 1-2 is connected with a drainage well 8 through a valve on one hand and is connected with a heat supply network backwater system 4 through a valve and a variable frequency drainage pump 9 on the other hand.
The exhaust manifold 1-1 of the boiler fixed-discharge flash tank 1 is connected with the steam inlet pipeline of the gas-water separator 3 and is provided with a safety valve 6.
The working principle of the device is as follows: after boiler exhaust gas enters a boiler fixed-row flash tank 1, the boiler exhaust gas enters a steam-water heat exchanger 2 through an exhaust header pipe 1-1, meanwhile, make-up water enters the steam-water heat exchanger 2 through a make-up water pipe 7 and exchanges heat with the boiler exhaust gas entering the steam-water heat exchanger 2, the temperature and the pressure of the boiler exhaust gas after heat exchange are greatly reduced, the boiler exhaust gas enters a gas-water separator 3 through a pipeline, moisture in the exhaust gas is separated and flows back to a drain header pipe 1-2, the make-up water heated by the boiler exhaust gas also flows into the drain header pipe 1-2, and mixed hot water in the drain header pipe 1-2 can be pumped into a heat supply network backwater system 4 through a variable-frequency drain pump 9 for recycling and can also be directly discharged into a drain. In the device, the boiler exhaust gas entering the boiler fixed-discharge flash tank 1 can also directly enter the gas-water separator 3 through the control valve 5 for dehydration and exhaust.
The above embodiments are only used for explaining the present invention, and not for limiting the protection of the present invention, and any insubstantial changes made on the basis of the essential schemes of the present invention should fall within the protection scope of the present invention.
Claims (2)
1. The utility model provides a waste heat recovery device for retrieving boiler heat of surely discharging with energy-conservation which characterized in that: comprises a boiler fixed-row flash tank (1), a steam-water heat exchanger (2), a gas-water separator (3) and a heat supply network backwater system (4), wherein the boiler fixed-row flash tank (1) is provided with an exhaust main pipe (1-1) and a drain main pipe (1-2), the exhaust main pipe (1-1) is connected with a steam inlet pipeline of the gas-water separator (3) on the one hand and is provided with a control valve (5) on the pipeline, the exhaust main pipe is connected with a steam inlet pipeline of the steam-water heat exchanger (2) on the other hand, a steam outlet of the steam-water heat exchanger (2) is connected with a steam inlet pipeline of the gas-water separator (3), a drain opening of the gas-water separator (3) is connected with the drain main pipe (1-2) of the boiler fixed-row flash tank (1) through a pipeline, a water inlet of the steam-water heat exchanger (2) is connected with a water supply pipe (7), a water outlet of the steam-water heat exchanger (2, the water outlet of the drainage main pipe (1-2) is connected with a drainage well (8) through a valve on one hand and is connected with a heat supply network backwater system (4) through a valve and a variable-frequency drainage pump (9) on the other hand.
2. A waste heat recovery device for recovering heat rejected from a boiler to save energy according to claim 1, characterized in that: the exhaust main pipe (1-1) of the boiler fixed-row flash tank (1) is connected with the steam inlet pipeline of the gas-water separator (3) and a safety valve (6) is arranged on the pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020664765.6U CN212430821U (en) | 2020-04-27 | 2020-04-27 | Waste heat recovery device for recovering fixed exhaust heat of boiler to save energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020664765.6U CN212430821U (en) | 2020-04-27 | 2020-04-27 | Waste heat recovery device for recovering fixed exhaust heat of boiler to save energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212430821U true CN212430821U (en) | 2021-01-29 |
Family
ID=74295098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020664765.6U Active CN212430821U (en) | 2020-04-27 | 2020-04-27 | Waste heat recovery device for recovering fixed exhaust heat of boiler to save energy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212430821U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001344A (en) * | 2021-10-12 | 2022-02-01 | 广州珠江电力有限公司 | Boiler waste heat, residual steam and waste water recovery system |
-
2020
- 2020-04-27 CN CN202020664765.6U patent/CN212430821U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001344A (en) * | 2021-10-12 | 2022-02-01 | 广州珠江电力有限公司 | Boiler waste heat, residual steam and waste water recovery system |
| CN114001344B (en) * | 2021-10-12 | 2024-01-26 | 广州珠江电力有限公司 | Boiler waste heat, residual steam and waste water recovery system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2018233024A1 (en) | Thermoelectric decoupling peak load regulating system | |
| CN202768090U (en) | Recovery system of dead steam waste heat | |
| CN102022770B (en) | Heat and power cogeneration energy-saving device and method for supplying heat by using direct waste heat of air-cooling unit | |
| CN102032612A (en) | Cogeneration energy-saving device and method using residual heat of direct air-cooling unit to supply heat | |
| CN212430821U (en) | Waste heat recovery device for recovering fixed exhaust heat of boiler to save energy | |
| CN102393153A (en) | Condensation mode and condensing unit of steam turbine set used in summer peak | |
| CN105222203A (en) | A kind of novel gas cogeneration of heat and power central heating device | |
| CN205332168U (en) | Waste heat comprehensive recovery utilization system of thermal power factory | |
| CN113154698A (en) | System for producing steam by utilizing solar energy and waste heat and steam production method | |
| CN112983565A (en) | Thermal power generating unit steam extraction auxiliary frequency modulation peak regulation system based on heat storage | |
| CN201836967U (en) | Cogeneration energy saving device utilizing waste heat of direct air cooling unit for heat supply | |
| CN203489341U (en) | Superlarge temperature difference heat supply network waste heat heating system combined with low-vacuum injection type heat pump | |
| CN212378579U (en) | Little steam turbine exhaust steam recycling system | |
| CN202692214U (en) | Novel direct air-cooling unit high-efficiency heating system | |
| CN214581845U (en) | System for utilize solar energy and waste heat production steam | |
| CN205119199U (en) | Novel gas cogeneration of heat and power central heating device | |
| CN201836968U (en) | Cogeneration energy saving device utilizing waste heat of indirect air cooling unit for heat supply | |
| CN103438492A (en) | Low-vacuum absorption-type composite heat pump residual heat supply system based on ultra-great-temperature-difference heat supply network | |
| CN103453567A (en) | Low vacuum ejector heat pump composite waste-heat heating supply system based on huge temperature-difference heat supply network | |
| CN209293865U (en) | A kind of hot energy storage cogeneration system of thermoelectricity decoupling type | |
| CN112762636A (en) | Integrated heat pump unit driven by high-parameter steam in efficient utilization mode | |
| CN201836969U (en) | Cogeneration energy-saving device supplying heat by utilizing residual heat of direct air-cooling unit | |
| CN206369220U (en) | It is a kind of to reclaim the system that exhaust steam residual heat improves the thermal efficiency and unit on-load ability | |
| CN201517430U (en) | Steam condensation type turbo set residual-heat heating system | |
| CN203478405U (en) | Low-vacuum absorption type composite waste heat recovery ultrahigh temperature difference heat supply network heating system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |