CN104533552A - Thermal power plant circulating water waste heat recycling method - Google Patents
Thermal power plant circulating water waste heat recycling method Download PDFInfo
- Publication number
- CN104533552A CN104533552A CN201410846047.XA CN201410846047A CN104533552A CN 104533552 A CN104533552 A CN 104533552A CN 201410846047 A CN201410846047 A CN 201410846047A CN 104533552 A CN104533552 A CN 104533552A
- Authority
- CN
- China
- Prior art keywords
- circulating water
- thermal power
- pump
- recycling
- thermal
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 238000004064 recycling Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title abstract description 7
- 239000002918 waste heat Substances 0.000 title abstract description 4
- 238000011084 recovery Methods 0.000 claims description 19
- 230000005144 thermotropism Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 230000006835 compression Effects 0.000 abstract 2
- 238000007906 compression Methods 0.000 abstract 2
- 230000005611 electricity Effects 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
-
- 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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses a thermal power plant circulating water waste heat recycling method. The method is characterized in that the method includes the following steps that (1) a thermal recycling mesh is built, and the thermal recycling mesh comprises a plurality of metal water pipes, an absorbing heat pump, a power pump, a pressure pump and a cold water recycling tower; (2) the thermal recycling mesh is made to be connected with an electricity generation power device; (3) cold water is injected into the thermal recycling mesh, and the power pump is started; (4) compression is conducted on the thermal recycling mesh through the pressure pump, and compression is stopped before the safety margin is reached. The thermal power plant circulating water waste heat recycling method is easy to operate and high in recycling efficiency and meets the energy-saving and environmentally-friendly development trend, the recycled heat energy is used for heating of residents, and the resource utilization rate is greatly increased.
Description
Technical field
The invention belongs to heat energy recycle field, particularly a kind of recovering circulating water residual heat of thermal power plants.
Background technique
The generation mode of power plant comprises pure condensate generating, cogeneration of heat and power etc.After the steam driven Turbo-generator Set generating that pure condensate power plant boiler produces, the steam of discharge contains most of heat water-band that is cooled and walks, and thus the thermal efficiency is lower, and the thermal efficiency of the pure condensate power plant of general more than single-machine capacity 200MW is only 35-40%.And although cogeneration of heat and power technology can improve efficiency of energy utilization, still there is a large amount of exhaust steam heat and be recycled cooling water and take away and discharge into the atmosphere in steam turbine, causes energy waste.
Therefore, how to reclaim circulating water afterheat and also become problem demanding prompt solution to the supply water temperature improving major network and secondary net.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of recovering circulating water residual heat of thermal power plants, effectively can utilize the waste heat of circulating-water in thermal power plant, improves resource utilization, avoids the wasting of resources.
A kind of recovering circulating water residual heat of thermal power plants disclosed by the invention, comprises the following steps:
1) set up heat recovery net, described heat recovery net comprises some metallic water pipe, absorption heat pump, kinetic pump, pressure pump and cold water recovery tower;
2) described heat recovery net is connected with generation power plant;
3) thermotropism recycling network introduces cold water, and turn on the power pump;
4) utilize pressure pump thermotropism recycling network to pressurize, before arriving safety margin, stop pressurization.
Further, described heat recovery net is connected to residential customer, is connected with the radiator in residential customer.
Another kind of to improve, described step 2) in generation power plant comprise steam driven Turbo-generator Set.
Another kind of improvement, described heat recovery net is divided into multichannel in the metallic water pipe at generation power plant place, and its diameter is less than the metallic water pipe at two ends.
Another kind of improvement, described metallic water pipe is steel pipe.
Another kind of improvement, the safety pressure in described step 5) is 0.3MPa.
Recovering circulating water residual heat of thermal power plants of the present invention, simple to operate, reuse efficiency is high, the heat energy of recovery is used for resident's heating, substantially increases resource utilization, meet the trend of energy-conserving and environment-protective.
Embodiment
A kind of coal-fired chain furnace proposed the present invention is below mixed the method for burning stalk and is described in detail.
A kind of recovering circulating water residual heat of thermal power plants disclosed by the invention, comprises the following steps:
1) set up heat recovery net, described heat recovery net comprises some metallic water pipe, absorption heat pump, kinetic pump, pressure pump and cold water recovery tower; Described heat recovery net is connected to residential customer, is connected with the radiator in residential customer, forms recirculating network.Described metallic water pipe is steel pipe.
2) described heat recovery net is connected with generation power plant; Generation power plant comprises steam driven Turbo-generator Set.Described heat recovery net is divided into multichannel in the metallic water pipe at generation power plant place, and its diameter is less than the metallic water pipe at two ends.
3) thermotropism recycling network introduces cold water, and turn on the power pump;
4) utilize pressure pump thermotropism recycling network to pressurize, stop pressurization before arriving safety margin, safety pressure is 0.3MPa.
Claims (6)
1. a recovering circulating water residual heat of thermal power plants, is characterized in that: comprise the following steps:
1) set up heat recovery net, described heat recovery net comprises some metallic water pipe, absorption heat pump, kinetic pump, pressure pump and cold water recovery tower;
2) described heat recovery net is connected with generation power plant;
3) thermotropism recycling network introduces cold water, and turn on the power pump;
4) utilize pressure pump thermotropism recycling network to pressurize, before arriving safety margin, stop pressurization.
2. recovering circulating water residual heat of thermal power plants according to claim 1, is characterized in that: described heat recovery net is connected to residential customer, is connected with the radiator in residential customer.
3. recovering circulating water residual heat of thermal power plants according to claim 1, is characterized in that: described step 2) in generation power plant comprise steam driven Turbo-generator Set.
4. recovering circulating water residual heat of thermal power plants according to claim 1, is characterized in that: described heat recovery net is divided into multichannel in the metallic water pipe at generation power plant place, and its diameter is less than the metallic water pipe at two ends.
5. recovering circulating water residual heat of thermal power plants according to claim 1, is characterized in that: described metallic water pipe is steel pipe.
6. recovering circulating water residual heat of thermal power plants according to claim 1, is characterized in that: the safety pressure in described step 5) is 0.3MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410846047.XA CN104533552A (en) | 2014-12-31 | 2014-12-31 | Thermal power plant circulating water waste heat recycling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410846047.XA CN104533552A (en) | 2014-12-31 | 2014-12-31 | Thermal power plant circulating water waste heat recycling method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104533552A true CN104533552A (en) | 2015-04-22 |
Family
ID=52849149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410846047.XA Pending CN104533552A (en) | 2014-12-31 | 2014-12-31 | Thermal power plant circulating water waste heat recycling method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104533552A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4006857A (en) * | 1974-12-21 | 1977-02-08 | Deutsche Babcock & Wilcox Aktiengesellschaft | Method for transportation and utilization of waste heat of large condenser power plants |
| DE2612058A1 (en) * | 1976-03-22 | 1977-10-06 | Interatom | REMOTE HEATING SYSTEM |
| CN101619662A (en) * | 2009-08-14 | 2010-01-06 | 清华大学 | Method for recovering waste heat of thermal power plant and heating and supplying heat to hot water in a stepping way |
| CN201705401U (en) * | 2010-07-05 | 2011-01-12 | 双良节能系统股份有限公司 | Concentrative heat supply system for recovering condensation heat of indirect air-cooled unit of power plant |
| CN202141112U (en) * | 2011-05-11 | 2012-02-08 | 北京创时能源有限公司 | Circulating water waste heat recycling system of thermal power plant |
| CN203464249U (en) * | 2013-09-16 | 2014-03-05 | 哈尔滨汽轮机厂辅机工程有限公司 | Condensed water heat regenerative system with absorption heat pump |
| CN203757825U (en) * | 2014-03-05 | 2014-08-06 | 沈阳奥瑞驰电力科技有限公司 | Heat supply unit with compression heat pump and water heating device combined |
-
2014
- 2014-12-31 CN CN201410846047.XA patent/CN104533552A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4006857A (en) * | 1974-12-21 | 1977-02-08 | Deutsche Babcock & Wilcox Aktiengesellschaft | Method for transportation and utilization of waste heat of large condenser power plants |
| DE2612058A1 (en) * | 1976-03-22 | 1977-10-06 | Interatom | REMOTE HEATING SYSTEM |
| CN101619662A (en) * | 2009-08-14 | 2010-01-06 | 清华大学 | Method for recovering waste heat of thermal power plant and heating and supplying heat to hot water in a stepping way |
| CN201705401U (en) * | 2010-07-05 | 2011-01-12 | 双良节能系统股份有限公司 | Concentrative heat supply system for recovering condensation heat of indirect air-cooled unit of power plant |
| CN202141112U (en) * | 2011-05-11 | 2012-02-08 | 北京创时能源有限公司 | Circulating water waste heat recycling system of thermal power plant |
| CN203464249U (en) * | 2013-09-16 | 2014-03-05 | 哈尔滨汽轮机厂辅机工程有限公司 | Condensed water heat regenerative system with absorption heat pump |
| CN203757825U (en) * | 2014-03-05 | 2014-08-06 | 沈阳奥瑞驰电力科技有限公司 | Heat supply unit with compression heat pump and water heating device combined |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150422 |