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<正>1燃气热电联产原理在利用燃料获得电能的过程中,通常需要先将燃料的化学能转换为热能。按照热力学原理,热能不可能全部转换为电能,热量因而就成为发电过程的副产品。热电联产是将发电过程中产生的两种形式的能量——电能和热能都加以有效利用。 相似文献
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本文回顾了热电联产以及热电冷三联产的发展过程,从热电联产中遇到的问题解决问题的角度,客观地论述了实施热电冷三联产的必然性。指出了热电冷三联产在节约能源方面的优越性和发展热电冷三联产节能的巨大潜力。同时,本文作者还试图提出热电冷三联产一种新的联产模式,即在凝汽式汽轮机组的基础上,加装热泵,以凝气作为热泵的热源,抽取热量供溴化锂制冷机制冷,同时以冷凝气所得的冷凝水作为制冷系统循环介质。 相似文献
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巴斯夫化工企业的热电联产 总被引:1,自引:0,他引:1
《国际电力》1998,2(1):44-45
巴斯夫化工企业的热电联产TheUtilizationofWasteHeatforPowerGenerationatBASF,Germany巴斯夫化工企业的热电联产TheUtilizationofWasteHeatforPowerGenerationa... 相似文献
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针对传统太阳能燃气联合循环机组无法适应当前电–热综合能源系统发展趋势的问题,该文建立太阳能燃气联合循环热电联产机组的稳态模型,分析燃气联合循环机组配置太阳能及储热设备前后运行特性及调峰能力的变化情况;进而构建机组经济性模型并进行典型日调度分析.结果表明:太阳能的输入可以增大原机组的热电可行域,增强机组的调峰能力;太阳能... 相似文献
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从总能系统的角度出发,研究了供热机组的临界热电比的制定依据,考查了机组参数,供热距离及热负荷特性等因素的影响,得出了一些有益的结论。 相似文献
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燃气轮机热电联供注蒸汽变工况运行的技术经济分析 总被引:1,自引:0,他引:1
为改善燃气轮机热电联供变工况运行的经济性,采用回注蒸汽燃气轮机循环有一定的优越性。为此.以10MW燃气轮机组为例进行技术经济分析。具体分析了燃气轮机在不同的负荷规律下的变工况情况,以发电成本为优化目标,通过优化上网电价来提高经济性。计算结果表明:燃气轮机热电联供系统采用注蒸汽来提高机组的经济性是可行的。 相似文献
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Chienru Lung Shota Miyake Hiroaki Kakigano Yushi Miura Toshifumi Ise Toshinari Momose Hideki Hayakawa 《Electrical Engineering in Japan》2013,182(4):29-46
For the past few years, hybrid generation systems including solar panel and gas cogeneration have been used for residential houses. Solar panels can generate electronic power at daytime but not at night. But the power consumption of residential houses usually peaks in the evening. The gas engine cogeneration system can generate electronic power without such a restriction, and it also can generate heat power to warm up a house or to produce hot water. In this paper we propose a solar panel and gas engine cogeneration hybrid system with an energy storage device, combined by a DC bus. If a blackout occurs, the system still can supply electronic power for special house loads. We propose a control scheme for the system related to the charging level of the energy storage device and the voltage of the utility grid, which can be applied to both grid‐connected and standalone operation. Finally, we report experiments designed to demonstrate system operation and calculations for loss estimation. © 2012 Wiley Periodicals, Inc. Electr Eng Jpn, 182(4): 29–46, 2013; Published online in Wiley Online Library ( wileyonlinelibrary.com ).DOI 10.1002/eej.22321 相似文献
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以汕头热电厂为实例,结合国内热电联产的一些基本情况,用具体的数字和例子来述评热电联产的四大社会效益:节约能源,提高能源利用率;改善环境质量;缓和当地的电力紧张;提高供热质量,促进生产发展,从而得出结论:实行热电联产、集中供热是一条可持续发展的道路,应该大力支持和发展热电联产事业。 相似文献
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针对中型抽汽供热机组应用较多,但却面临大容量两用机组挑战的问题,通过研究中型抽汽供热机组的特点和影响热力发电厂节能的因素,客观地评价其优缺点,得出其应用条件和范围。 相似文献
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通过介绍国内外成功进行集中供热的范例,结合广州市推广热电联产的实践,论证在现代城市实行集中供热宜采用热电联产的形式,并结合中小型旧发电机的改造同步进行。最后就进一步在广州市推进热电联产工作提出了建议。 相似文献
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In this paper, in order to investigate the effect of scenarios in which cogeneration spreads in an electricity market we constructed a multi‐agent model of an electricity trading market with power distribution and power generation agents. In this model, we analyzed the effect of reducing power generation surplus facilities on market price formation and stability through computer experiments. As a result of the experimental simulations, the market price was decreased by the increase of sell bids according to the demand reduction by the spread of cogeneration, and by the increase of commercial use of cogeneration facilities, the market price was more economical and stable because such agents supplied more electricity generated by surplus cogeneration. However, if power generation agents reduced the number of power generating facilities when the number of power distribution agents' cogeneration facilities was not significant, the fluctuation of market price grew larger. We confirmed that the spread of cogeneration played an important role in stabilizing market price formation. © 2006 Wiley Periodicals, Inc. Electr Eng Jpn, 156(2): 61–74, 2006; Published online in Wiley InterScience ( www.interscience.wiley.com ). DOI 10.1002/eej.20353 相似文献
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针对某电厂2×135 MW纯凝汽式机组改成供热机组问题,从投资大小、改造难度、对发电量的影响等方面对2种改造方案进行了分析,最终选择了风险小、成本低的改造方案。应用结果表明:机组实现了热电联产,提高发电厂循环热效率20%;1台机组节约燃煤83 040 t/a,节约燃料费用1 992.96万元/a;减少灰渣排量20 760 t/a,减少CO2排放量8 367 m3/a,减少SO2排放量85 m3/a,节能环保效益显著。 相似文献