CN207568668U - A kind of regenerative resource energy supplying system - Google Patents
A kind of regenerative resource energy supplying system Download PDFInfo
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- 230000001172 regenerating effect Effects 0.000 title claims 5
- 239000002918 waste heat Substances 0.000 claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 238000010248 power generation Methods 0.000 claims abstract description 33
- 238000000855 fermentation Methods 0.000 claims abstract description 23
- 230000004151 fermentation Effects 0.000 claims abstract description 23
- 239000007789 gas Substances 0.000 claims abstract description 18
- 230000005611 electricity Effects 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 238000010521 absorption reaction Methods 0.000 claims abstract description 13
- 238000002485 combustion reaction Methods 0.000 claims abstract description 12
- 239000006096 absorbing agent Substances 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 18
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical group [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 5
- 239000003546 flue gas Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims 4
- 239000000567 combustion gas Substances 0.000 claims 1
- 238000005086 pumping Methods 0.000 claims 1
- 238000004064 recycling Methods 0.000 claims 1
- 230000000153 supplemental effect Effects 0.000 claims 1
- 238000005057 refrigeration Methods 0.000 abstract description 9
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical group [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 8
- 239000003507 refrigerant Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
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- 239000005416 organic matter Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000010795 Steam Flooding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
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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]
- Y02B30/62—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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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Abstract
一种可再生能源供能系统，包括配余热锅炉燃气发电系统、沼气发酵系统、供暖系统、驱动吸收式制冷系统、CO2捕集系统、CO2朗肯循环发电系统；配余热锅炉燃气发电系统包括依次连接的送风机、空气压缩机、燃烧室、燃气轮发电机组、余热锅炉、集热器、引风机、烟囱；沼气发酵系统包括依次连接的沼气发酵罐、与燃烧室相连的沼气储存罐，沼气发酵罐经泵与安装于余热锅炉的水换热器相连；供暖系统包括依次循环连接的预设在余热锅炉内的加热水器、供热管道、热用户、回水管道、回水泵，回水管道上设置补水箱；驱动吸收式制冷系统包括依次连接的发生器、冷凝器、蒸发器、吸收器，吸收器经泵和节流阀与发生器相连，发生器与换热器相连，换热器与安装于余热锅炉的集热器相连。本实用新型不仅节约能源，还可到冷、热、电三联供，实现能源的分布利用。
A renewable energy energy supply system, including gas-fired power generation system with waste heat boiler, biogas fermentation system, heating system, drive absorption refrigeration system, CO2 capture system, CO2 Rankine cycle power generation system; gas-fired power generation system with waste heat boiler Including blower, air compressor, combustion chamber, gas turbine generator set, waste heat boiler, heat collector, induced draft fan, and chimney connected in sequence; the biogas fermentation system includes biogas fermentation tanks connected in sequence, biogas storage tank connected to the combustion chamber, The biogas fermentation tank is connected to the water heat exchanger installed in the waste heat boiler through the pump; the heating system includes the water heater, heat supply pipeline, heat user, return water pipeline, return water pump, and return water connected in sequence to the waste heat boiler. A water supply tank is set on the pipeline; the driving absorption refrigeration system includes a generator, a condenser, an evaporator, and an absorber connected in sequence. The absorber is connected to the generator through a pump and a throttle valve, and the generator is connected to a heat exchanger. The collector is connected to the heat collector installed in the waste heat boiler. The utility model not only saves energy, but also realizes the combined supply of cold, heat and electricity to realize the distribution and utilization of energy.
Description
技术领域technical field
本实用新型涉及能源综合利用领域，具体的说是一种可再生能源供能系统。The utility model relates to the field of comprehensive energy utilization, in particular to a renewable energy supply system.
背景技术Background technique
“分布式能源”是指分布在用户端的能源综合利用系统,可独立运行,也可并网运行,是以资源、环境效益最大化确定方式和容量的系统,将用户多种能源需求,以及资源配置状况进行系统整合优化,采用需求应对式设计和模块化配置的新型能源系统,是相对于集中供能的分散式供能方式。"Distributed energy" refers to a comprehensive energy utilization system distributed at the user end, which can be operated independently or connected to the grid. It is a system that determines the mode and capacity by maximizing resources and environmental benefits. System integration and optimization of configuration status, the use of demand-responsive design and modular configuration of the new energy system, is a decentralized energy supply method relative to centralized energy supply.
我国分布式能源正处于发展过程,对分布式能源认识存在不同的表述,其中主要的一种是指将热、电、冷系统以小规模、小容量、模块化、分散式的方式直接安装在用户端,可独立地输出热、电、冷能的系统。能源包括太阳能利用、风能利用、燃料电池和燃气热、电、冷三联供等多种形式。结合目前我国能源需求现状,分布式能源是解决我国能源紧缺地区用能困难,缓解我国严重缺电局面、保证可持续发展战略实施的重要途径之一,可缓解环境、电网调峰和长距离电力输送的压力,解决可再生能源就地消纳问题,能够提高能源利用效率,优化能源利用结构。my country's distributed energy is in the process of development, and there are different expressions for the understanding of distributed energy. The main one refers to the direct installation of heat, electricity, and cooling systems in small-scale, small-capacity, modularized, and decentralized ways. At the user end, a system that can independently output heat, electricity, and cold energy. Energy includes various forms such as solar energy utilization, wind energy utilization, fuel cells and gas heat, electricity, and cooling. Combined with the current situation of my country's energy demand, distributed energy is one of the important ways to solve the energy shortage in my country's energy-scarce areas, alleviate my country's severe power shortage situation, and ensure the implementation of sustainable development strategies. The pressure of transportation can solve the problem of on-site consumption of renewable energy, which can improve the efficiency of energy utilization and optimize the structure of energy utilization.
节能是一个国家能够可持续发展的关键因素之一，如果我们还坚持传统的能源利用方式，不能使资源有效的循环利用，就会使社会的整个资源环境加剧恶化，并且造成能源的快速枯竭。据可靠资料，我国工业能源的消耗在总体成本中占有最多的份额，而能源的有效使用率仅仅只有三成左右，成本支出比欧洲发达国家高出很多，所以考虑到经济效益，节能设备的推广是势在必行的一大举措。能源的短缺是目前全世界都面临的一项严重考验，在这样一个大背景下谋求发展，开发新新能源是一个方面，更重要的是在节约能源上下足功夫。目前，国内余热节能锅炉的设计和开发已经逐渐成熟，随着社会的发展，人们会越来越发现节能设备是一个必然趋势。节能锅炉的招牌不仅仅是商家促销的一个重头砝码，更是对社会和环境的一大贡献。Energy saving is one of the key factors for a country's sustainable development. If we still insist on traditional energy utilization methods and cannot effectively recycle resources, it will worsen the entire resource environment of society and cause rapid energy depletion. According to reliable data, my country's industrial energy consumption occupies the largest share in the overall cost, while the effective utilization rate of energy is only about 30%, and the cost expenditure is much higher than that of European developed countries. Therefore, considering economic benefits, the promotion of energy-saving equipment is a must. An imperative move. The shortage of energy is a serious test that the whole world is facing at present. To seek development under such a background, it is one aspect to develop new and new energy sources, and more importantly, to make great efforts to save energy. At present, the design and development of domestic waste heat energy-saving boilers have gradually matured. With the development of society, people will increasingly find that energy-saving equipment is an inevitable trend. The signboard of the energy-saving boiler is not only a heavy weight for business promotion, but also a great contribution to society and the environment.
纵观现有能源和技术来看，研发新能源的高效利用方式,实现多能源互补综合利用系统,可有效缓解含碳能源利用带来的环境和安全性问题，从而高效利用新能源。Looking at the existing energy and technologies, the development of efficient utilization of new energy and the realization of a multi-energy complementary comprehensive utilization system can effectively alleviate the environmental and safety problems caused by the utilization of carbon-containing energy, thereby efficiently utilizing new energy.
实用新型内容Utility model content
本实用新型需要解决的技术问题是提供一种将可再生能源耦合提供冷、热、电能源的可再生能源供能系统。The technical problem to be solved by the utility model is to provide a renewable energy supply system that couples renewable energy to provide cold, heat and electric energy.
为解决上述技术问题，本实用新型所采用的技术方案是：In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
一种可再生能源供能系统，包括配余热锅炉燃气发电系统、沼气发酵系统、供暖系统、驱动吸收式制冷系统、CO2捕集系统、CO2朗肯循环发电系统；A renewable energy supply system, including a waste heat boiler gas-fired power generation system, a biogas fermentation system, a heating system, a drive absorption refrigeration system, a CO2 capture system, and a CO2 Rankine cycle power generation system;
所述配余热锅炉燃气发电系统包括依次连接的送风机、空气压缩机、燃烧室、涡轮机、余热锅炉、集热器、引风机、烟囱，所述涡轮机驱动涡轮发电机发电提供电源，所述空气压缩机与涡轮机、涡轮发电机同轴，所述集热器安装在余热锅炉，作为其他子系统的可调节热源。The gas-fired power generation system with waste heat boiler includes a blower, an air compressor, a combustion chamber, a turbine, a waste heat boiler, a heat collector, an induced draft fan, and a chimney connected in sequence. The turbine drives a turbine generator to generate power to provide power, and the air compressor The machine is coaxial with the turbine and turbine generator, and the heat collector is installed in the waste heat boiler as an adjustable heat source for other subsystems.
所述沼气发酵系统包括依次连接的沼气发酵罐、沼气储气罐，所述沼气发酵罐与安装于余热锅炉内的集热器相连，所述沼气储气罐与燃烧室相连；The biogas fermentation system includes a biogas fermentation tank and a biogas storage tank connected in sequence, the biogas fermentation tank is connected to the heat collector installed in the waste heat boiler, and the biogas storage tank is connected to the combustion chamber;
所述供暖系统包括依次连接的加热水器、供热管道、热用户、回水管道、回水泵，所述回水泵与加热水器相连，所述回水管道上设置补水箱，所述加热水器安装于余热锅炉内；The heating system includes a water heater, a heating pipeline, a heat user, a water return pipeline, and a water return pump connected in sequence. The water return pump is connected to the water heater. In the waste heat boiler;
所述驱动吸收式制冷系统包括依次连接的发生器、冷凝器、蒸发器、吸收器，所述吸收器经泵和节流阀与发生器相连，所述发生器与预安装于余热锅炉内的集热器相连。The driven absorption refrigeration system includes a generator, a condenser, an evaporator, and an absorber connected in sequence, and the absorber is connected to the generator through a pump and a throttle valve, and the generator is connected to a pre-installed waste heat boiler The collector is connected.
上述可再生能源供能系统，还包括CO2朗肯循环发电系统，所述CO2朗肯循环发电系统包括依次连接的CO2蒸发器、汽轮机、CO2冷凝器、液态CO2泵，所述汽轮机驱动汽轮发电机发电提供电源，所述液态CO2泵与CO2蒸发器相连，所述 CO2蒸发器与安装于余热锅炉内的集热器换热，所述CO2朗肯循环发电系统中工质CO2由CO2捕集系统提供，剩余CO2可进行资源化利用。The above-mentioned renewable energy energy supply system also includes a CO2 Rankine cycle power generation system, and the CO2 Rankine cycle power generation system includes a CO2 evaporator, a steam turbine, a CO2 condenser, and a liquid CO2 pump connected in sequence. The steam turbine drives the turbogenerator to generate power, the liquid CO2 pump is connected to the CO2 evaporator, the CO2 evaporator exchanges heat with the heat collector installed in the waste heat boiler , and the CO2 Rankine cycle generates electricity The working medium CO2 in the system is provided by the CO2 capture system, and the remaining CO2 can be utilized as a resource.
上述可再生能源供能系统，还包括太阳能换热系统，所述太阳能换热系统包括太阳能集热器，所述太阳集热器与CO2蒸发器相连，作为CO2朗肯循环发电系统的热源，所述CO2蒸发器与安装于余热锅炉内的集热器相连，所述安装于余热锅炉内的集热器作为CO2朗肯循环发电系统的补充热源。The above-mentioned renewable energy supply system also includes a solar heat exchange system, and the solar heat exchange system includes a solar heat collector, and the solar heat collector is connected with a CO evaporator as a heat source of a CO Rankine cycle power generation system , the CO 2 evaporator is connected to the heat collector installed in the waste heat boiler, and the heat collector installed in the waste heat boiler is used as a supplementary heat source for the CO 2 Rankine cycle power generation system.
本实用新型在采用上述技术方案后，具有如下技术进步的效果：After the utility model adopts the above-mentioned technical scheme, it has the effect of following technical progress:
本实用新型利用余热锅炉回收燃料的热能，不仅节约了能源，增加经济效益，还可以做到冷、热、电三联供，实现能源的分布利用。本实用新型充分利用太阳能资源，与余热锅炉互补为CO2朗肯循环系统提供能源，组成多能源耦合系统。本实用新型的多种可再生能源耦合的冷、热、电联供系统，具有能源利用效率高，环境负面影响小和能源供应可靠等特点。本实用新型充分利用集热器将余热锅炉收集的热能合理可控的分配给各个子系统。本实用新型充分利用捕集到的CO2，一方面使其资源化转化；另一方面通过余热锅炉或太阳能为热源的CO2朗肯循环，实现CO2发电；同时，CO2朗肯循环发电系统利用CO2作为循环工质，有利于减缓温室效应。本实用新型充分利用沼气发酵系统为燃气轮发电机组提供燃料，燃气轮发电机组的余热又为维持沼气发酵系统温度提供热源，如此循环，提高了能源利用率。本实用新型的CO2朗肯循环和燃气轮发电机组的发电可以用于整个系统的电力消耗。The utility model utilizes the waste heat boiler to recover the heat energy of the fuel, which not only saves energy and increases economic benefits, but also realizes combined supply of cold, heat and electricity, and realizes energy distribution and utilization. The utility model makes full use of solar energy resources, complements the waste heat boiler to provide energy for the CO 2 Rankine cycle system, and forms a multi-energy coupling system. The cooling, heating and electricity co-supply system coupled with multiple renewable energy sources of the utility model has the characteristics of high energy utilization efficiency, small negative impact on the environment, reliable energy supply and the like. The utility model makes full use of the heat collector to reasonably and controllably distribute the heat energy collected by the waste heat boiler to each subsystem. The utility model makes full use of the captured CO 2 , on the one hand to transform it into resources; on the other hand, it realizes CO 2 power generation through the waste heat boiler or the CO 2 Rankine cycle with solar energy as the heat source; at the same time, the CO 2 Rankine cycle generates power The system uses CO2 as a circulating working fluid, which is beneficial to slow down the greenhouse effect. The utility model makes full use of the biogas fermentation system to provide fuel for the gas turbine generator set, and the waste heat of the gas turbine generator set provides heat source for maintaining the temperature of the biogas fermentation system, so that the cycle improves the energy utilization rate. The CO2 Rankine cycle of the utility model and the power generation of the gas turbine generator set can be used for the power consumption of the whole system.
附图说明Description of drawings
图1是本实用新型一种实施例的示意图。Fig. 1 is a schematic diagram of an embodiment of the utility model.
图中各标号表示为：1、送风机，2、空气压缩机，3、涡轮机，4、燃烧室， 5、涡轮发电机，6、燃煤发电厂，7、余热锅炉，8、集热器，9、引风机，10、烟囱，11、沼气发酵罐，12、沼气储气罐，13、CO2吸收塔，14、富液泵，15、贫富液换热器，16、CO2解吸塔，17、换热器，18、泵，19、贫液泵，20、烟囱，21、加热水器，22、回水泵，23、补水箱，24、热用户，25、换热器，26、发生器，27、冷凝器，28、节流阀，29、蒸发器，30、吸收器，31、泵，32、节流阀，33、太阳能集热器，34、CO2蒸发器，35、汽轮机，36、CO2冷凝器，37、液态CO2泵，38、发电机。The labels in the figure are represented as: 1. Blower, 2. Air compressor, 3. Turbine, 4. Combustion chamber, 5. Turbine generator, 6. Coal-fired power plant, 7. Waste heat boiler, 8. Heat collector, 9. Induced fan, 10. Chimney, 11. Biogas fermentation tank, 12. Biogas storage tank, 13. CO2 absorption tower, 14. Rich liquid pump, 15. Lean-rich liquid heat exchanger, 16. CO2 desorption tower , 17. Heat exchanger, 18. Pump, 19. Lean liquid pump, 20. Chimney, 21. Water heater, 22. Return water pump, 23. Make-up water tank, 24. Heat user, 25. Heat exchanger, 26. Generation device, 27, condenser, 28, throttle valve, 29, evaporator, 30, absorber, 31, pump, 32, throttle valve, 33, solar collector, 34, CO 2 evaporator, 35, steam turbine , 36. CO2 condenser, 37. Liquid CO2 pump, 38. Generator.
具体实施方式Detailed ways
下面结合附图及实施例对本实用新型做进一步详细说明：Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail:
本实用新型涉及一种可再生能源供能系统，如图1所示，配余热锅炉燃气发电系统、沼气发酵系统、CO2捕集系统、CO2朗肯循环发电系统、供暖系统、驱动吸收式制冷系统、太阳能换热系统。The utility model relates to a renewable energy supply system, as shown in Figure 1, equipped with waste heat boiler gas power generation system, biogas fermentation system, CO2 capture system, CO2 Rankine cycle power generation system, heating system, drive absorption type Refrigeration system, solar heat exchange system.
所述配余热锅炉燃气发电系统包括依次连接的送风机1、空气压缩机2、燃烧室4、燃气轮发电机组、余热锅炉7、集热器8、引风机9、烟囱10，燃气轮发电机组包括涡轮机3和涡轮发电机5，燃烧室4、余热锅炉7与涡轮机3相连，其中空气压缩机2与涡轮机3、涡轮发电机5同轴。所述沼气发酵系统包括依次连接的沼气发酵罐11、沼气储气罐12，所述沼气发酵罐11与安装于余热锅炉7 内的集热器相连，所述沼气储气罐12与燃烧室4相连，做完工的燃气一部分进入余热锅炉，另一部分引入燃煤电厂加热给水。The gas-fired power generation system with waste heat boiler includes a blower 1, an air compressor 2, a combustion chamber 4, a gas turbine generator set, a waste heat boiler 7, a heat collector 8, an induced draft fan 9, and a chimney 10 connected in sequence. The gas turbine generator set includes The turbine 3 and the turbine generator 5, the combustion chamber 4 and the waste heat boiler 7 are connected to the turbine 3, wherein the air compressor 2 is coaxial with the turbine 3 and the turbine generator 5. The biogas fermentation system includes a biogas fermentation tank 11 and a biogas storage tank 12 connected in sequence, the biogas fermentation tank 11 is connected to the heat collector installed in the waste heat boiler 7, and the biogas storage tank 12 is connected to the combustion chamber 4 Part of the completed gas enters the waste heat boiler, and the other part is introduced into the coal-fired power plant to heat the feed water.
配余热锅炉燃气发电系统与沼气发酵系统配合工作，空气压缩机压缩空气，在燃烧室内压缩空气与来自沼气储气罐内的沼气燃烧产生高温烟气，燃烧的高温烟气驱动涡轮机做功，带动涡轮发电机发电。所述沼气发酵罐中，可作为沼气发酵原料的有机物质是相当丰富的，其产生沼气的潜力是十分可观的。除矿物油和木质素外，所有的有机物，如人畜粪便、作物秸秆、青草、垃圾、含有机质的工业废水、污泥等都可以作为沼气发酵原料(基质)，保证了燃气轮发电机组的可靠运行，同时，也确保了整个系统的稳定性与安全性。The gas power generation system with waste heat boiler works together with the biogas fermentation system. The air compressor compresses the air, and the compressed air in the combustion chamber burns with the biogas from the biogas storage tank to generate high-temperature flue gas. The high-temperature flue gas drives the turbine to do work and drives the turbine. Generators generate electricity. In the biogas fermenter, there are abundant organic substances that can be used as raw materials for biogas fermentation, and its potential to generate biogas is very considerable. In addition to mineral oil and lignin, all organic matter, such as human and animal manure, crop straw, grass, garbage, industrial wastewater containing organic matter, sludge, etc. can be used as raw materials (substrates) for biogas fermentation, ensuring the reliability of the gas turbine generator set operation, while ensuring the stability and security of the entire system.
所述CO2朗肯循环发电系统包括依次连接的CO2蒸发器34、汽轮发电机组、 CO2冷凝器36、液态CO2泵37，所述液态CO2泵37与CO2蒸发器34相连，所述汽轮发电机组包括汽轮机35和汽轮发电机38，CO2蒸发器34和CO2冷凝器36与汽轮机35相连，所述CO2蒸发器34与安装于余热锅炉7内的集热器相连。液态的 CO2经液态CO2泵37进入CO2蒸发器，与安装于余热锅炉7内的集热器换热产生 CO2蒸汽，CO2蒸汽驱动汽轮机带动汽轮发电机发电，经汽轮发电机组和燃气轮发电机组所发电力可为整个系统提供电力供应。做功之后的CO2乏汽进入CO2冷凝器被冷凝为液态进行下一轮循环。The CO2 Rankine cycle power generation system includes a CO2 evaporator 34, a turbogenerator set, a CO2 condenser 36, and a liquid CO2 pump 37 connected in sequence, and the liquid CO2 pump 37 is connected to the CO2 evaporator 34 , the turbogenerator set includes a steam turbine 35 and a turbogenerator 38, a CO 2 evaporator 34 and a CO 2 condenser 36 are connected to the steam turbine 35, and the CO 2 evaporator 34 is connected to the heat collector installed in the waste heat boiler 7 connected to the device. The liquid CO2 enters the CO2 evaporator through the liquid CO2 pump 37, exchanges heat with the heat collector installed in the waste heat boiler 7 to generate CO2 steam, and the CO2 steam drives the steam turbine to drive the steam turbine generator to generate electricity, and the steam turbine generates electricity The power generated by the unit and the gas turbine generator set can provide power supply for the entire system. After doing work, the CO 2 exhaust steam enters the CO 2 condenser and is condensed into a liquid state for the next cycle.
所述供暖系统包括依次连接的加热水器21、热用户24、回水泵22，所述回水泵22与加热水器21相连，补水箱23安装于回水管道上，所述加热水器21 安装于余热锅炉7内。加热水器吸收余热锅炉的热量，经供热管道为热用户提供热源，回水管道经补水箱补充水分，并经回水泵被引入加热水器，重新加热回水。The heating system includes a water heater 21, a heat user 24, and a water return pump 22 connected in sequence. The water return pump 22 is connected to the water heater 21. The water supply tank 23 is installed on the return water pipe. The water heater 21 is installed on the waste heat boiler. within 7. The water heater absorbs the heat of the waste heat boiler, and provides heat source for the heat user through the heating pipe, and the return water pipe replenishes water through the water tank, and is introduced into the water heater through the return water pump to reheat the return water.
所述驱动吸收式制冷系统包括依次连接的发生器26、冷凝器27、蒸发器29、吸收器30，所述吸收器30经泵31和节流阀32与发生器26相连，所述发生器 26与换热器25相连，所述换热器25与安装于余热锅炉7内的集热器相连。吸收式制冷系统的制冷剂为溴化锂，吸收剂为水。制冷剂液态溴化锂在蒸发器中吸热蒸发，所形成的蒸气被吸收剂水所吸收，在此之后，吸收了制冷剂溴化锂蒸气的吸收剂水由溶液泵送至发生器，在发生器中被加热，而分离出制冷剂溴化锂蒸气，该蒸气在冷凝器中被冷凝成液体，再经节流后进入蒸发器，汲取载冷剂的热负荷，使载冷剂温度降低，达到制冷的目的。The drive absorption refrigeration system comprises a generator 26, a condenser 27, an evaporator 29, and an absorber 30 connected in sequence, and the absorber 30 is connected to the generator 26 through a pump 31 and a throttle valve 32, and the generator 26 is connected to the heat exchanger 25, and the heat exchanger 25 is connected to the heat collector installed in the waste heat boiler 7. The refrigerant of the absorption refrigeration system is lithium bromide, and the absorbent is water. The refrigerant liquid lithium bromide absorbs heat and evaporates in the evaporator, and the formed vapor is absorbed by the absorbent water. After that, the absorbent water that has absorbed the refrigerant lithium bromide vapor is pumped from the solution to the generator, where it is absorbed Heating, and the refrigerant lithium bromide vapor is separated, the vapor is condensed into a liquid in the condenser, and then enters the evaporator after throttling, absorbing the heat load of the refrigerant, reducing the temperature of the refrigerant, and achieving the purpose of refrigeration.
所述太阳能换热系统包括太阳能集热器33，所述太阳集热器与CO2蒸发器相连，作为CO2朗肯循环发电系统的热源，所述CO2蒸发器与安装于余热锅炉内的集热器相连，所述安装于余热锅炉内的集热器作为CO2朗肯循环发电系统的补充热源。The solar heat exchange system includes a solar heat collector 33, the solar heat collector is connected with a CO 2 evaporator as a heat source of the CO 2 Rankine cycle power generation system, and the CO 2 evaporator is connected with the waste heat boiler The heat collector is connected, and the heat collector installed in the waste heat boiler is used as a supplementary heat source for the CO 2 Rankine cycle power generation system.
所述CO2捕集系统包括CO2吸收塔，富液泵，贫富液热交换器，CO2解吸塔，贫液泵，来自燃煤电厂和余热锅炉的烟气进入CO2吸收塔，经过溶液吸收，解吸，最终获得CO2产品，其中一部分作为CO2朗肯循环发电系统的工质，剩余部分储存起来进行资源化利用。The CO2 capture system includes CO2 absorption tower, rich liquid pump, lean-rich liquid heat exchanger, CO2 desorption tower, lean liquid pump, flue gas from coal-fired power plant and waste heat boiler enters CO2 absorption tower, passes through The solution absorbs and desorbs, and finally obtains CO 2 products, part of which is used as the working fluid of the CO 2 Rankine cycle power generation system, and the rest is stored for resource utilization.
本实用新型通过沼气储气罐和沼气发酵罐与余热锅炉内的集热器，将沼气发酵系统与配余热锅炉燃气发电系统连接起来。通过CO2蒸发器与余热锅炉内的集热器，将CO2朗肯循环发电系统与配余热锅炉燃气发电系统连接起来。通过加热水器与余热锅炉，将供暖系统与配余热锅炉燃气发电系统连接起来。通过换热器与余热锅炉内的集热器，将驱动吸收式制冷系统与配余热锅炉燃气发电系统连接起来。通过热力管道与CO2朗肯循环发电系统，将太阳能换热系统与CO2朗肯循环发电系统、配余热锅炉燃气发电系统连接起来。上述连接实现了六个系统的有机结合。通过上述连接构成了多种可再生能源耦合的冷、热、电三联供系统装置。The utility model connects the biogas fermentation system with the waste heat boiler gas power generation system through the biogas storage tank, the biogas fermentation tank and the heat collector in the waste heat boiler. Through the CO 2 evaporator and the heat collector in the waste heat boiler, the CO 2 Rankine cycle power generation system is connected with the waste heat boiler gas-fired power generation system. Connect the heating system with the gas-fired power generation system with waste heat boiler through the water heater and waste heat boiler. Through the heat exchanger and the heat collector in the waste heat boiler, the drive absorption refrigeration system is connected with the waste heat boiler gas-fired power generation system. Connect the solar heat exchange system with the CO 2 Rankine cycle power generation system and the waste heat boiler gas power generation system through the thermal pipeline and the CO 2 Rankine cycle power generation system. The above connections realize the organic combination of the six systems. Through the above connections, a combined cooling, heating and electricity supply system device coupled with multiple renewable energy sources is formed.
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| CN116481206A (en) * | 2023-04-18 | 2023-07-25 | 国网浙江省电力有限公司电力科学研究院 | Optimization method of industrial waste energy recovery system and its equipment capacity and operation output |
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