| 基于混合冷剂离心压缩机控制系统难点分析 |
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| 引用本文： | 肖正.基于混合冷剂离心压缩机控制系统难点分析[J].广州化工,2014(12):172-174. |
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| 作者姓名： | 肖正 |
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| 作者单位： | [1]瓦斯灾害监控与应急技术国家重点实验室,重庆400037; [2]中煤科工集团重庆研究院有限公司瓦斯防灭火研究分院,重庆400037 |
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| 基金项目： | 十二五”国家重大科技专项《低浓度煤层气深冷液化提纯工业化技术与装备》（2011ZX05041-004-002）。 |
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| 摘 要： | 混合冷剂压缩机是整个工艺流程的关键设备,压缩机能否正常达到工况直接决定产品的品质及运行的能耗。针对低浓度含氧煤层气深冷液化混合冷剂制冷单元能安全有效的提供冷源,本文着重介绍离心压缩机组工作原理、工艺流程、控制系统配置及组成,并对机组的定气量/气压、防喘振控制方案及控制难点进行详细阐述。
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| 关 键 词： | 混合冷剂 离心压缩机 定气量/气压 防喘振 控制系统 |
The Difficulty of Control Analysis of Centrifugal Compressor Based on Mixed Refrigerant |
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| XIAO Zheng.The Difficulty of Control Analysis of Centrifugal Compressor Based on Mixed Refrigerant[J].GuangZhou Chemical Industry and Technology,2014(12):172-174. |
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| Authors: | XIAO Zheng |
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| Affiliation: | XIAO Zheng (1 Gas Disaster Monitoring and Emergency Technology National Key Lab, Chongqing 400037; 2 Chongqing Research Institute, China Coal Technology Engineering Group, Chongqing 400057, China) |
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| Abstract: | Mixed refrigerant compressor was the key equipment in the whole process , whether the compressor can achieve energy consumption condition directly determined the quality and operation of a product.For the low concentration of oxygen coal seam gas cryogenic liquefaction mixed refrigerant refrigeration unit can safely and effectively provide cold source.Based on the centrifugal compressor working principle , process flow , the unit control system configuration and composition , and the unit of volume , pressure , anti surge control scheme and control difficulties were reviewed in detail. |
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| Keywords: | mixed refrigerant centrifugal compressor certain flow/constant pressure surge-proof control system |
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