CN101776280B - 一种燃气锅炉用三气混烧调量方法 - Google Patents
一种燃气锅炉用三气混烧调量方法 Download PDFInfo
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序号 | 主要原因 | 目标指标 |
1 | 中、低热值燃料供应不稳定,有波动 | 低热值燃气用量在燃料总量中份额85%~90%,中热值燃气10.2%~15%,高热值燃料用量控制在0~0.15%;蒸汽产量为锅炉安全产汽量内,蒸汽温度、压力与额定范围内,炉膛温度750℃~2000℃;送风压力1.6至1.8kpa(可视使用锅炉的具体情况而定,保持炉膛负压—100Pa~—20Pa);排烟温度120~159℃;烟气含氧量3%~4%。 |
2 | 低热值燃气质量不佳而中热值燃料供应中断 | 低热值燃气用量90%~99%;天然气用量≤1%;蒸汽产量为锅炉安全产汽量内;蒸汽温度、压力与额定范围内;炉膛温度735℃~2000℃;送风压力1.8~2.0kpa(可视使用锅炉的具体情况而定,保持炉膛负压-100Pa~-20Pa);排烟温度120~159℃;烟气含氧量3%~4%。 |
序号 | 主要原因 | 目标指标 |
1 | 高气、转气供应不稳定,有波动 | 转气用量0.4至0.6万m3/h;高气用量1~3.5万m3/h;天然气用量控制在0至60NM3/H;蒸汽产量65t/h左右;蒸汽温度430±5℃;蒸汽压力3.15至3.35Mpa;炉膛温度750℃以上;送风压力1.6至1.8kpa;排烟温度≤159℃;烟气含氧量3%~4%: |
2 | 高气质量不佳而转气供应中断 | 高炉煤气用量≤8万m3/h;天然气用量0至60m3/h;蒸汽产量65t/h左右;蒸汽温度425±5℃;蒸汽压力3.10~3.30Mpa;炉膛温度735℃以上;送风压力1.8~2.0kpa;排烟温度≤159℃;烟气含氧量3%~4%; |
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102588994B (zh) * | 2011-01-14 | 2015-01-21 | 宝山钢铁股份有限公司 | 一种锅炉燃气混合燃烧供气管及供气方法 |
CN103615737A (zh) * | 2013-11-29 | 2014-03-05 | 产平霞 | 单个气源接口双气源自动识别方法及系统 |
CN103776051B (zh) * | 2014-02-13 | 2016-01-20 | 湖北三恒电气设备有限公司 | 一种瓦斯气燃烧控制方法 |
CN104033877A (zh) * | 2014-06-26 | 2014-09-10 | 济钢集团有限公司 | 多种煤气混合燃烧锅炉及燃烧方法 |
CN104949123B (zh) * | 2015-06-19 | 2017-07-04 | 国电科学技术研究院 | 一种用于天然气掺烧醇基燃料的装置和方法 |
CN109323251B (zh) * | 2018-10-29 | 2021-03-19 | 天津大学 | 用于低热值燃气的无焰燃烧系统及方法 |
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Address after: 066326 Hebei province Qinhuangdao Funing County duzhuang Township Qinhuangdao first Qin metal material Co., Ltd. Co-patentee after: Shougang Group Co. Ltd. Patentee after: Qinhuangdao Shouqin Metal Material Co., Ltd. Address before: 066326 Hebei province Qinhuangdao Funing County duzhuang Township Qinhuangdao first Qin metal material Co., Ltd. Co-patentee before: Capital Iron & Steel General Company Patentee before: Qinhuangdao Shouqin Metal Material Co., Ltd. |
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Effective date of registration: 20190408 Address after: 100041 Shijingshan Road, Shijingshan District, Shijingshan District, Beijing Patentee after: Shougang Group Co. Ltd. Address before: 066326 Hebei province Qinhuangdao Funing County duzhuang Township Qinhuangdao first Qin metal material Co., Ltd. Co-patentee before: Shougang Group Co. Ltd. Patentee before: Qinhuangdao Shouqin Metal Material Co., Ltd. |