CN110219748B - 一种分布式能源余热利用***及其工作方法 - Google Patents
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- 239000002918 waste heat Substances 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title abstract description 7
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical group [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000000779 smoke Substances 0.000 claims abstract description 13
- 230000033228 biological regulation Effects 0.000 claims description 3
- 230000007423 decrease Effects 0.000 abstract description 2
- 238000005057 refrigeration Methods 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F02G5/00—Profiting from waste heat of combustion engines, not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
- F22B1/1807—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines using the exhaust gases of combustion engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
- F25B15/02—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
- F25B15/06—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas the refrigerant being water vapour evaporated from a salt solution, e.g. lithium bromide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/02—Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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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]
- Y02B30/62—Absorption based systems
- Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
本发明涉及一种分布式能源余热利用***及其工作方法,水‑空气换热器与原动机连接,原动机与用户侧连接,原动机的烟气出口与溴化锂机组连接,原动机的缸套水出口连接有一号分配器,且一号分配器分别与热泵和溴化锂机组连接,热泵与用户侧连接,溴化锂机组的烟气出口与烟气‑水换热器连接,烟气‑水换热器与用户侧连接,烟气‑水换热器还连接有二号分配器,二号分配器与热泵和用户侧连接;溴化锂机组与用户侧连接,且溴化锂机组还连接有三号分配器,三号分配器分别与用户侧和水‑空气换热器连接,且三号分配器还与电制冷机连接,电制冷机与用户侧连接。本发明有效的提升了分布式能源余热品位,而且解决了夏季工况***安全和经济性下降的难题。
Description
技术领域
本发明属于能源领域,具体涉及一种分布式能源余热利用***及其工作方法。
背景技术
分布式能源作为大幅节能的前沿技术,是科技发展规划能源领域的四项前沿技术之一,具有小型、高效、清洁、贴近用户等优点,对建设国家清洁低碳、安全高效的现代能源体系具有重要现实意义和深远战略意义。
以燃气内燃机为原动机的分布式能源一般为医院、酒店、商业综合体、办公楼等提供冷热电等能源,如专利号为201720678899.1的中国专利。内燃机的余热主要分为烟气余热和缸套水余热,两部分余热主要通过溴化锂、换热器等设备利用,在余热品位提升上还尚未开展***性研究,另外,夏季工况下,由于环境温度升高,机组性能下降明显,影响分布式能源的安全和高效稳定运行。
发明内容
本发明的目的在于克服现有技术中存在的上述不足,而提供一种分布式能源余热利用***及其工作方法,一方面有效的提升分布式能源余热品位,另一方面解决夏季工况***安全和经济性下降的难题,具有显著的社会效益和经济效益。
本发明解决上述问题所采用的技术方案是:一种分布式能源余热利用***,其特征在于,包括水-空气换热器、原动机、热泵、溴化锂机组、电制冷机和烟气-水换热器;所述水-空气换热器与原动机连接,所述原动机与用户侧连接,所述原动机的烟气出口与溴化锂机组连接,所述原动机的缸套水出口连接有一号分配器,且一号分配器分别与热泵和溴化锂机组连接,所述热泵与用户侧连接,所述溴化锂机组的烟气出口与烟气-水换热器连接,所述烟气-水换热器与用户侧连接,所述烟气-水换热器还连接有二号分配器,所述二号分配器与热泵和用户侧连接;所述溴化锂机组与用户侧连接,且溴化锂机组还连接有三号分配器,所述三号分配器分别与用户侧和水-空气换热器连接,且三号分配器还与电制冷机连接,所述电制冷机与用户侧连接。
进一步而言,所述原动机、热泵、溴化锂机组、电制冷机、一号分配器、二号分配器和三号分配器均与调控***连接。
所述的分布式能源余热利用***的工作方法,其特征在于,通过热泵将缸套水和烟气进行品位提升,将低品位的烟气和缸套水提升为高品质的蒸汽,并输送到用户侧,同时通过两个分配器灵活调整蒸汽的品质和蒸汽量;
在夏季工况时,利用溴化锂机组和电制冷机联合提供用户侧制冷和厂房空气制冷,提高厂房内主辅机设备的性能和安全性。
本发明与现有技术相比,具有以下优点和效果:
1、通过设置第二类热泵装置,有效的提高了缸套水和烟气能量品位,通过不同的分配器调节,可以调整蒸汽量和蒸汽的品质。
2、夏季工况,通过溴化锂制冷和电制冷联合调控用户侧制冷和厂房空气制冷。
附图说明
图1是本发明实施例的结构示意图。
图中:水-空气换热器1、原动机2、调控***3、热泵4、溴化锂机组5、电制冷机6、烟气-水换热器7、用户侧8、一号分配器9、二号分配器10、三号分配器11。
具体实施方式
下面结合附图并通过实施例对本发明作进一步的详细说明,以下实施例是对本发明的解释而本发明并不局限于以下实施例。
实施例
参见图1,本实施例中的分布式能源余热利用***,包括水-空气换热器1、原动机2、热泵4、溴化锂机组5、电制冷机6和烟气-水换热器7。
水-空气换热器1与原动机2连接,原动机2与用户侧8连接,原动机2的烟气出口与溴化锂机组5连接,原动机2的缸套水出口连接有一号分配器9,且一号分配器9分别与热泵4和溴化锂机组5连接,热泵4与用户侧8连接,溴化锂机组5的烟气出口与烟气-水换热器7连接,烟气-水换热器7与用户侧8连接,烟气-水换热器7还连接有二号分配器10,二号分配器10与热泵4和用户侧8连接;溴化锂机组5与用户侧8连接,且溴化锂机组5还连接有三号分配器11,三号分配器11分别与用户侧8和水-空气换热器1连接,且三号分配器11还与电制冷机6连接,电制冷机6与用户侧8连接。
原动机2、热泵4、溴化锂机组5、电制冷机6、一号分配器9、二号分配器10和三号分配器11均与调控***3连接。
分布式能源余热利用***的工作方法如下:
通过热泵4将缸套水和烟气进行品位提升,将低品位的烟气和缸套水提升为高品质的蒸汽,并输送到用户侧8,同时通过两个分配器灵活调整蒸汽的品质和蒸汽量;
在夏季工况时,利用溴化锂机组5和电制冷机6联合提供用户侧8制冷和厂房空气制冷,提高厂房内主辅机设备的性能和安全性。
虽然本发明以实施例公开如上,但其并非用以限定本发明的保护范围,任何熟悉该项技术的技术人员,在不脱离本发明的构思和范围内所作的更动与润饰,均应属于本发明的保护范围。
Claims (2)
1.一种分布式能源余热利用***,其特征在于,包括水-空气换热器(1)、原动机(2)、热泵(4)、溴化锂机组(5)、电制冷机(6)和烟气-水换热器(7);所述水-空气换热器(1)与原动机(2)连接,所述原动机(2)与用户侧(8)连接,所述原动机(2)的烟气出口与溴化锂机组(5)连接,所述原动机(2)的缸套水出口连接有一号分配器(9),且一号分配器(9)分别与热泵(4)和溴化锂机组(5)连接,所述热泵(4)与用户侧(8)连接,所述溴化锂机组(5)的烟气出口与烟气-水换热器(7)连接,所述烟气-水换热器(7)与用户侧(8)连接,所述烟气-水换热器(7)还连接有二号分配器(10),所述二号分配器(10)与热泵(4)和用户侧(8)连接;所述溴化锂机组(5)与用户侧(8)连接,且溴化锂机组(5)还连接有三号分配器(11),所述三号分配器(11)分别与用户侧(8)和水-空气换热器(1)连接,且三号分配器(11)还与电制冷机(6)连接,所述电制冷机(6)与用户侧(8)连接;
通过热泵(4)将缸套水和烟气进行品位提升,并输送到用户侧(8);
在夏季工况时,利用溴化锂机组(5)和电制冷机(6)联合提供用户侧(8)制冷和厂房空气制冷。
2.根据权利要求1所述的分布式能源余热利用***,其特征在于,所述原动机(2)、热泵(4)、溴化锂机组(5)、电制冷机(6)、一号分配器(9)、二号分配器(10)和三号分配器(11)均与调控***(3)连接。
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CN108757129A (zh) * | 2018-06-19 | 2018-11-06 | 华电电力科学研究院有限公司 | 一种sofc燃料电池与内燃机燃气分布式耦合***及其运行方法 |
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