问题:采用循环氨水冷却煤气的优点有:氨水是碱性,能中和酸焦油,保护煤气管道,同时氨水有润滑性,便于焦油流动,可防止煤粉、焦粒、焦油混合形成的焦油渣因积聚堵塞煤气管道。...
Wednesday, June 21, 2023
问题:在正常操作下,煤气经离心鼓风机机压缩后的温升不超过10~20℃。...
Saturday, September 10, 2022
问题:风机后压力和风机前吸力之差称之风机的()。A、压头B、全压C、压力...
Friday, June 23, 2023
Sunday, September 11, 2022
Sunday, September 11, 2022
问题:在电捕焦油器管中的大部分空间内焦油雾滴成为带有()的质点。...
Saturday, September 10, 2022
问题:用气动仪表调节蒸汽流量时,若空气压力突然降为0,此时蒸汽调节阀将...
Sunday, September 11, 2022
问题:在煤气输送过程中,要防止煤气泄漏.>着火和爆炸。...
Sunday, September 11, 2022
问题:当煤气含氧量大于()%时,应立即切断电捕焦油器电源。...
Sunday, September 11, 2022
Sunday, September 11, 2022
Friday, November 25, 2022
Sunday, September 11, 2022
问题:离心泵的轴封装置主要有()。A、填料密封B、油膜密封C、机械密封...
Tuesday, July 25, 2023
Sunday, September 11, 2022
问题:进入煤气设备内部工作时.所有照明电压不得超过()。...
Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022