| 小型煤矿超低浓度瓦斯蓄热氧化供热技术研究 |
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| 引用本文： | 贾晓亮.小型煤矿超低浓度瓦斯蓄热氧化供热技术研究[J].煤化工,2021,49(1):26-30. |
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| 作者姓名： | 贾晓亮 |
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| 作者单位： | 瓦斯灾害监控与应急技术国家重点实验室,重庆400037;中煤科工集团重庆研究院有限公司 瓦斯研究分院,重庆400037 |
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| 基金项目： | “十三五”国家科技重大专项课题(2016ZX05045-006);重庆市自然科学基金面上项目(cstc2020jcyj-msxmX1013);重庆市安全生产(煤炭发展)专项(2020B182[5985]20015511,2020B182[5985]20015506)。 |
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| 摘 要： | 为利用陕西韩城矿区某小型煤矿抽采的含甲烷体积分数低于8%的低浓度瓦斯,采用现场调研、热量平衡计算相结合的方法,对小型煤矿超低浓度瓦斯蓄热氧化供热技术进行了研究,提出了超低浓度瓦斯蓄热氧化替代燃煤热风炉的技术方案,并分析了该方案的可行性。研究表明:该方案可满足煤矿井筒加热和建筑物供热需求,节省了燃煤燃烧消耗,每年可利用纯瓦斯259万m3,产生195万元的经济效益,减排CO2(当量)3.6万t。
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| 关 键 词： | 超低浓度瓦斯 蓄热氧化 燃煤热风炉 井筒加热 供暖 煤与瓦斯共采共用 |
Study on Heating Technology of Ultra-low Concentration CBM Regenerative Oxidation Used in Small Coal Mine |
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| Jia Xiaoliang.Study on Heating Technology of Ultra-low Concentration CBM Regenerative Oxidation Used in Small Coal Mine[J].Coal Chemical Industry,2021,49(1):26-30. |
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| Authors: | Jia Xiaoliang |
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| Affiliation: | (State Key Laboratory of Gas Disaster Detecting,Preventing and Emergency Controlling,Chongqing 400037,China;Gas Research Branch of China Coal Technology Engineering Group Chongqing Research Institute,Chongqing 400037,China) |
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| Abstract: | To utilize low concentration CBM with methane content less than 8%extracted from a small coal mine in Hancheng mining area,Shaanxi Province,the method of field investigation combined with heat balance calculation was adopted to study the heating technology of ultra-low concentration CBM regenerative oxidation used in small coal mine.A technical proposal was made on replacing coal-fired hot blast furnace with ultra-low concentration CBM regenerative oxidation,and the proposal feasibility was analyzed.The study showed that this scheme could meet the demand of coal mine well shaft heating and building heating,thus saving the fuel coal consumption.2.59 million m3 of pure CBM could be utilized every year,generating 1.95 million yuan of economic benefits,with emissions reduction of 36000 t CO2 equivalent. |
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| Keywords: | ultra-low concentration CBM regenerative oxidation coal-fired hot blast furnace well shaft heating heating coal and CBM mining and sharing |
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