CN109139165A - 一种吸收式冷凝的工业余热回收系统 - Google Patents

一种吸收式冷凝的工业余热回收系统 Download PDF

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Publication number
CN109139165A
CN109139165A CN201811134723.5A CN201811134723A CN109139165A CN 109139165 A CN109139165 A CN 109139165A CN 201811134723 A CN201811134723 A CN 201811134723A CN 109139165 A CN109139165 A CN 109139165A
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Prior art keywords
working medium
heat pump
absorption
heat
pump
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CN201811134723.5A
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English (en)
Inventor
王阳
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Dalian Yuanshi Electromechanical Technology Co Ltd
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Dalian Yuanshi Electromechanical Technology Co Ltd
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Priority to CN201811134723.5A priority Critical patent/CN109139165A/zh
Publication of CN109139165A publication Critical patent/CN109139165A/zh
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K13/00—General layout or general methods of operation of complete plants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K17/00—Using steam or condensate extracted or exhausted from steam engine plant
    • F01K17/02—Using steam or condensate extracted or exhausted from steam engine plant for heating purposes, e.g. industrial, domestic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
    • F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
    • F01K25/10—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours the vapours being cold, e.g. ammonia, carbon dioxide, ether
    • F01K25/103—Carbon dioxide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
    • F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
    • F01K25/14—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours using industrial or other waste gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Sorption Type Refrigeration Machines (AREA)

Abstract

本发明是利用低温余热循环发电，与吸收式热泵耦合，利用工业余热作为发电的动力源，发电后的工质进入冷凝器，冷凝器利用吸收式热泵降温，通过工业余热驱动吸收式热泵为工质降温，获得的高温热用于供暖，获得电力用于生产。

Description

一种吸收式冷凝的工业余热回收系统
技术领域
本发明属于工业余热回收领域，涉及一种吸收式冷凝的工业余热回收系统。
背景技术
国家大力提倡余热回收，清洁能源供暖，但大部分的清洁能源成本较高，例如天然气、电这类高品位能源，利用这种高品位能源来供暖是对能源的极大浪费，而工业余热是最有价值的清洁能源，因供热所需的热量温度要求不高，大部分的工业余热都可满足。而通常的工业余热回收技术仅仅将高温余热回收，低温余热依旧需要冷却后才可进行利用，冷却余热还需要消耗部分电能与水资源。
发明内容
本发明解决的问题是：利用低温余热循环发电，与吸收式热泵耦合，利用工业余热作为发电的动力源，发电后的工质进入冷凝器，冷凝器利用吸收式热泵降温，通过工业余热驱动吸收式热泵为工质降温，获得的高温热用于供暖，获得电力用于生产。
本发明采用的技术方案是：吸收式冷凝的工业余热回收系统包括：工质发电机、吸收式热泵、电驱动热泵、冷凝器，工质泵、蒸发器、用热户，工业余热分别连接蒸发器、吸收式热泵、电驱动热泵，蒸发器连接工质发电机，工质发电机连接冷凝器，冷凝器连接工质泵，形成发电主循环，吸收式热泵、电驱动热泵与用热户连接用于供热；
所述主循环中使用吸收式热泵为冷凝器当中冷凝水降温，工业余热直接驱动吸收式热泵，做工后的余热作为电驱动热泵的低温余热，二次降温后重新输送回工厂；
所述工质选用CO2，工质泵用于CO2在系统内形成循环，工质发电机选用CO2发电机组。
本发明的有益效果是：发明采用CO2作为发电设备的工质，热量的吸收与释放速度快，在发电的同时还可将低温热用户供暖，余热利用效果好。
附图说明
图1为本发明的原理图。
图中：1.工业余热、2.蒸发器、3.工质泵、4.吸收式热泵、5.工质发电机、6.热用户、7.冷凝器、8.电驱动热泵。
具体实施方式
一种吸收式冷凝的工业余热回收系统，工业余热1、蒸发器2、工质泵3、吸收式热泵4、工质发电机5、热用户6、冷凝器7、电驱动热泵8；所述工业余热1将工业余热分别输送到蒸发器2与吸收式热泵4，作为吸收式热泵4的驱动热源，驱动热源降温后输送到电驱动热泵8，通过点驱动热泵8降温后输送回工业余热1，工业余热输送到蒸发器2部分用于加热CO2工质，CO2工质输送到工质发电机5，做工后的CO2呈气态，仍有一定的温度，并需要冷凝，输送到冷凝器7，冷凝器与吸收式热泵连接，作为吸收式热泵4的低温热源，吸收式热泵4、电驱动热泵8获取的热源用于输送到热用户6，为其供暖，冷凝器冷却后的CO2工质利用工质泵3，重新输送到蒸发器2，为工业余热1降温。
本发明不局限于本实施例，任何在本发明披露的技术范围内的等同构思或者改变，均列为本发明的保护范围。

Claims (3)

1.本发明提出一种吸收式冷凝的工业余热回收系统，系统包括：工质发电机、吸收式热泵、电驱动热泵、冷凝器，工质泵、蒸发器、用热户，工业余热分别连接蒸发器、吸收式热泵、电驱动热泵，蒸发器连接工质发电机，工质发电机连接冷凝器，冷凝器连接工质泵，形成发电主循环，吸收式热泵、电驱动热泵与用热户连接用于供热。
2.根据权利要求1所述的一种吸收式冷凝的工业余热回收系统，其特点在于主循环中使用吸收式热泵为冷凝器当中冷凝水降温，工业余热直接驱动吸收式热泵，做工后的余热作为电驱动热泵的低温余热，二次降温后重新输送回工厂。
3.根据权利要求1所述的一种吸收式冷凝的工业余热回收系统，其特点在于工质选用CO2，工质泵用于CO2在系统内形成循环，工质发电机选用CO2发电机组。
CN201811134723.5A 2018-09-27 2018-09-27 一种吸收式冷凝的工业余热回收系统 Pending CN109139165A (zh)

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