CN1140748C - Absorbing heat pump heating equipment to utilize fume afterheat of gas-burning steam-circulating heat and power plant - Google Patents
Absorbing heat pump heating equipment to utilize fume afterheat of gas-burning steam-circulating heat and power plant Download PDFInfo
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- CN1140748C CN1140748C CNB011397616A CN01139761A CN1140748C CN 1140748 C CN1140748 C CN 1140748C CN B011397616 A CNB011397616 A CN B011397616A CN 01139761 A CN01139761 A CN 01139761A CN 1140748 C CN1140748 C CN 1140748C
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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]
- Y02B30/12—Hot water central heating systems using heat pumps
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Abstract
The present invention relates to an absorption type heat pump heating device by using the residual heat of fuel gas and steam circulation heat power plants, and smoke gas, which belongs to the heating field of absorption type heat pumps. The present invention can provide cooling work media with lower temperature for a residual heat boiler of the fuel gas and steam combined circulation heat power plant, and can recover the condensation heat of water steam. The present invention comprises an absorption type heat pump, a heat exchanger, a residual heat boiler, a fuel gas power device, a generator, a steam condenser, a steam turbine and connecting pipes, wherein the absorption type heat pump comprises a generator, a solution heat exchanger, an absorber, a pump, an evaporator and a condenser, wherein one part of a condensation heat exchanger is arranged in the evaporator, and the other part is arranged in the smoke channel of the residual heat boiler; an exhaust pipe of the steam turbine passes through the generator. The present invention is mainly used in a heating system to utilize the residual heat of fuel gas and steam combined circulation heat power plants, and smoke gas.
Description
Technical field
The present invention relates to a kind of absorption type heat pump heating apparatus, particularly utilize the absorption type heat pump heating apparatus of the fume afterheat of combustion and steam cycling hot power plant.
Background technology
Because natural gas, coal gas or wet goods gas, liquid fuel can produce a large amount of water in burning, so, a large amount of water vapours contained in the waste heat boiler discharged flue gas of gas-steam combined cycling hot power plant.Have a kind of condenser boiler that utilizes the vapour latent heat that waste heat boiler discharges at present, it is by a condensing heat exchanger, by the cold working medium of outside need heating with the water vapour condensation in the flue gas.Therefore the use of this condensing boiler need temperature enough low be heated cold working medium, make flue-gas temperature reach the condensation temperature of steam.But the waste heat boiler of gas power device, the condensation temperature of steam is very low in the flue gas, therefore, for reaching the purpose that reclaims vapour latent heat in the flue gas, needs the lower cold working medium that is heated of temperature that flue gas is cooled off.But in field of heating,, often can't make flue gas reach due condensation temperature because the heating return water temperature is higher generally speaking.So this condenser boiler is difficult in the field of heating to be promoted the use of.
Summary of the invention
At problems of the prior art, the invention provides a kind of absorption type heat pump heating apparatus that utilizes gas-steam combined circulating thermoelectric plant smoke residual heat, can provide temperature enough low cooling working medium for the waste heat boiler of gas-steam combined cycling hot power plant, can recycle the condensation heat of steam again.
A kind of absorption type heat pump heating apparatus that utilizes the fume afterheat of combustion and steam cycling hot power plant, comprise absorption heat pump, heat exchanger, waste heat boiler, gas power device, generator, condenser, steam turbine and tube connector, described absorption heat pump comprises generator, solution heat exchanger, absorber, pump, evaporimeter, condenser.Steam turbine, condenser and boiler are connected into the loop successively, and gas power device links to each other with boiler.Generator, condenser, evaporimeter, absorber and solution heat exchanger are connected into the loop successively.Its design feature is, a described condensate and heat exchanger part is arranged in the described evaporimeter, and a part is arranged in the flue of described waste heat boiler, and the steam turbine blast pipe passes through generator.
According to technique scheme, heat exchanger is a heat pipe in the described device.
According to technique scheme, heat exchanger is a condensate and heat exchanger in the described device.
According to technique scheme, to be arranged on the part in the generator be the snake type to the steam turbine blast pipe in the described device.
The present invention is with the boiler combination of absorption heat pump and gas-steam combined cycling hot power plant, make full use of the vapour latent heat in the exhaust-heat boiler flue gas, promptly solved the required low-temperature heat source of absorption type heat pump operation in the prior art, the efficient of gas-steam combined cycling hot power plant is greatly improved on original basis.Owing to had the low-temperature heat source of higher temperature, promptly make the absorption heat pump operating efficiency be improved significantly, energy consumption reduces greatly; And water has also absorbed the part NO in the flue gas with fixed attention
X, SO
XDeng pernicious gas, the discharge of harmful gases amount is reduced significantly, help environmental protection.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1;
Fig. 2 is the structural representation of the embodiment of the invention 2.
The specific embodiment
Embodiment 1
Present embodiment with heat pipe as heat exchanger.
As shown in Figure 1, absorption heat pump comprises generator 1, solution heat exchanger 2, absorber 3, pump 4, evaporimeter 5, condenser 7 and tube connector.Absorber 3 and condenser 5 polyphones or formation hot-water return in parallel heat supply.Working media also has the absorbent that absorbs, resolves cold-producing medium except that the cold-producing medium of producing cold, it is right that the two forms working medium.Working medium parses refrigerant vapour-vaporized refrigerant to being heated by the high temperature heat medium in generator 1, and the condensation in condenser 7 tube bank of this refrigerant vapour discharges condensation latent heat simultaneously and the hot water in the pipe is heated.Condensed cold-producing medium evaporates in evaporimeter 5 and absorbs heat to low-temperature heat source.In absorber 3, constantly absorb the refrigerant vapour of flash-pot 5 through solution heat exchanger 2 from the high concentration absorbent of generator 1, absorbent is emitted heat and is heated the hot water of the absorber 3 of flowing through in absorbing the refrigerant vapour process, absorbent is got back to generator 1 through pump 4 and solution heat exchanger 2 then.Be heated the heat that hot water absorbs and equal generator 1 high temperature heat source liberated heat and evaporimeter 5 low-temperature heat source liberated heat sums in absorber 3 and condenser 7.
Combustion gas, fuel oil work by combustion in gas power device 12 is also generated electricity by generator 11-1, described heat pipe 6-1 one end is located in the evaporimeter 5 of absorption heat pump, the other end is located in the flue of waste heat boiler 8, flue gas water vapour in the waste heat boiler 8 is by the low-temperature heat source of heat pipe 6-1 as absorption heat pump evaporimeter 5, the evaporimeter 5 of absorption heat pump provides cooling water to heat pipe 6-1, with water vapour condensation in the flue gas.Heating back steam do work in heat supply steam turbine 10 and generates electricity by generator 11-2 in the boiler 8, steam turbine 10 draw gas or the back pressure steam discharge is used for the heat supply of generator 1.Wherein, described steam turbine 10 draw gas or the blast pipe of back pressure steam discharge to be arranged on part in the generator 1 be shapes such as snakelike, annular.
Embodiment 2
Present embodiment with condensate and heat exchanger as heat exchanger.
As shown in Figure 2, absorption heat pump comprises generator 1, solution heat exchanger 2, absorber 3, pump 4, evaporimeter 5, condenser 7 and tube connector.Absorber 3 and condenser 5 polyphones or formation hot-water return in parallel heat supply.Working media also has the absorbent that absorbs, resolves cold-producing medium except that the cold-producing medium of producing cold, it is right that the two forms working medium.Working medium parses refrigerant vapour-vaporized refrigerant to being heated by the high temperature heat medium in generator 1, and the condensation in condenser 7 tube bank of this refrigerant vapour discharges condensation latent heat simultaneously and the hot water in the pipe is heated.Condensed cold-producing medium evaporates in evaporimeter 5 and absorbs heat to low-temperature heat source.In absorber 3, constantly absorb the refrigerant vapour of flash-pot 5 through solution heat exchanger 2 from the high concentration absorbent of generator 1, absorbent is emitted heat and is heated the hot water of the absorber 3 of flowing through in absorbing the refrigerant vapour process, absorbent is got back to generator 1 through pump 4 and solution heat exchanger 2 then.Be heated the heat that hot water absorbs and equal generator 1 high temperature heat source liberated heat and evaporimeter 5 low-temperature heat source liberated heat sums in absorber 3 and condenser 7.
Combustion gas, fuel oil work by combustion in gas power device 12 is also generated electricity by generator 11-1, described condensate and heat exchanger 6-2 one end is located in the evaporimeter 2 of absorption heat pump, the other end is located in the flue of waste heat boiler 8, flue gas water vapour in the waste heat boiler 8 is by the low-temperature heat source of condensate and heat exchanger 6-2 as absorption heat pump evaporimeter 5, the evaporimeter 5 of absorption heat pump provides cooling water to condensation interchanger 6-2, with water vapour condensation in the flue gas.Heating back steam do work in heat supply steam turbine 10 and generates electricity by generator 11-2 in the boiler 8, steam turbine 10 draw gas or the back pressure steam discharge is used for the heat supply of generator 1.Wherein, described steam turbine 10 draw gas or the blast pipe of back pressure steam discharge to be arranged on part in the generator 1 be shapes such as snakelike, annular.
Claims (4)
1. absorption type heat pump heating apparatus that utilizes the fume afterheat of combustion and steam cycling hot power plant, comprise absorption heat pump, heat exchanger, boiler (8), gas power device (12), condenser (9), steam turbine (10) and tube connector, described absorption heat pump comprises generator (1), solution heat exchanger (2), absorber (3), pump (4), evaporimeter (5), condenser (7), steam turbine (10), condenser (9) and boiler (8) are connected into the loop successively, gas power device (12) links to each other with boiler (8), generator (1), condenser (7), evaporimeter (5), absorber (3) and solution heat exchanger (2) are connected into the loop successively; It is characterized in that a described heat exchanger part is arranged in the described evaporimeter (5), a part is arranged in the flue of described boiler (8), and the blast pipe of steam turbine (10) is by generator (1).
2. according to the described a kind of absorption type heat pump heating apparatus that utilizes the fume afterheat of combustion and steam cycling hot power plant of claim 1, it is characterized in that described heat exchanger is heat pipe (6-1).
3. according to the described a kind of absorption type heat pump heating apparatus that utilizes the fume afterheat of combustion and steam cycling hot power plant of claim 1, it is characterized in that described heat exchanger is condensate and heat exchanger (6-2).
4. according to claim 1,2 or 3 described a kind of absorption type heat pump heating apparatus that utilize the fume afterheat of combustion and steam cycling hot power plant, it is characterized in that the part that the blast pipe of described steam turbine (10) is arranged in the generator (1) is snakelike.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011397616A CN1140748C (en) | 2001-11-30 | 2001-11-30 | Absorbing heat pump heating equipment to utilize fume afterheat of gas-burning steam-circulating heat and power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011397616A CN1140748C (en) | 2001-11-30 | 2001-11-30 | Absorbing heat pump heating equipment to utilize fume afterheat of gas-burning steam-circulating heat and power plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1421646A CN1421646A (en) | 2003-06-04 |
| CN1140748C true CN1140748C (en) | 2004-03-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011397616A Expired - Fee Related CN1140748C (en) | 2001-11-30 | 2001-11-30 | Absorbing heat pump heating equipment to utilize fume afterheat of gas-burning steam-circulating heat and power plant |
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| CN (1) | CN1140748C (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ302037B6 (en) * | 2004-04-06 | 2010-09-15 | Zerzánek@Jaromír | Process for producing electrical energy and apparatus for making the same |
| CN101368767B (en) * | 2007-04-29 | 2010-09-15 | 东北电力大学 | Indirect air cooling method and system for working medium adopting parallel-connection positive and reverse refrigeration cycle |
| CN101329118B (en) * | 2008-07-23 | 2010-06-02 | 清华大学 | Compact type absorption heat pump apparatus capable of increasing residual heat temperature greatly |
| CN101799226B (en) * | 2010-03-02 | 2012-02-08 | 清华大学 | Heat-gaining combined heat and power system |
| CN102242946B (en) * | 2011-04-29 | 2013-10-16 | 清华大学 | Concentrated heat supply system for reclaiming smoke afterheat by absorption heat pump |
| CN102359739B (en) * | 2011-09-14 | 2013-06-12 | 北京中科华誉能源技术发展有限责任公司 | Gas-steam circulation heating-electricity-cooling combined supply system and method for thermal power plant with zero energy loss rate |
| CN103196170B (en) * | 2013-04-11 | 2014-04-30 | 山西大学工程学院 | Absorption heat-pump heating system capable of recycling exhaust heat of exhaust gas from power station boiler |
| CN103759316A (en) * | 2013-12-31 | 2014-04-30 | 中国能源建设集团山西省电力勘测设计院 | Cascade heating system for heat supply network circulation water |
| CN104776638B (en) * | 2015-03-31 | 2017-10-13 | 华北科技学院 | The supply system that a kind of chemical heat pump type fuel conversion is combined with gas-fired heat pump |
| CN105222203A (en) * | 2015-11-04 | 2016-01-06 | 清华大学 | A kind of novel gas cogeneration of heat and power central heating device |
| CN105783023A (en) * | 2016-05-04 | 2016-07-20 | 中国华能集团清洁能源技术研究院有限公司 | Device and method for driving air heater through absorption type heat pump |
| CN108180576A (en) * | 2018-01-09 | 2018-06-19 | 沈阳世杰电器有限公司 | Solid electricity heat stored air conditioner |
-
2001
- 2001-11-30 CN CNB011397616A patent/CN1140748C/en not_active Expired - Fee Related
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| CN1421646A (en) | 2003-06-04 |
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| AR01 | Abandonment of patent right to avoid double patenting |
According to article 9 of the patent law and article 13 of the detailed rules for the implementation of the patent law: 1139761.6 of the invention patents in this issue as a notice of authorization, and at the same time corresponding to the 1275544.3 utility model patent to be given up, and in the 20 volume of the 9 issue of the new type of communique on the patent right to abandon the announcement. |
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Owner name: QINGHUA UNIVERSITY; TONGFANG CO., LTD. Free format text: FORMER NAME OR ADDRESS: QINGHUA UNIVERSITY; TSINGHUA TONGFANG CO., LTD. |
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Address after: 100083 Beijing Tsinghua Tongfang science and Technology Square A block 2907 Co-patentee after: Tongfang Co.,Ltd. Patentee after: Tsinghua University Address before: 100083 Beijing Tsinghua Tongfang science and Technology Square A block 2907 Co-patentee before: TSINGHUA TONGFANG Co.,Ltd. Patentee before: Tsinghua University |
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Granted publication date: 20040303 Termination date: 20131130 |