【摘要】 通过定量计算和理论分析及实践验证指出：将射汽抽气器改为高效长喉管射水抽气器，不但能提高经济效益，而且能改善工作环境，简化操作程序，有利于电厂安全经济运行，并介绍了改进方法和步骤．更多还原

【Abstract】 Through calculating and analysing, We have:steam jetair ejector improve into long throats water jet air egector not onlt efficicency high, but improve working conditions ,reduce operation,it also introduces method for the improvement of steam jet air ejectors .更多还原