煤气阀 [机] gas valve ; Gasventil
高炉煤气阀 blast furnace gas valve
冷煤电磁阀 Refrigerate Solenoid valve ; english Refrigerate Solenoid valve ; Refrigerdined on Solenoid vingve
煤气电磁阀 solenoid valve for gas ; ZCM ; solcnoid valveforsteam
煤气调节阀 gas regulator ; gas regulating valve
煤气闸阀 gas gate valve
煤气放气阀 gas escape valve
煤气关闭阀 gas shutoff
煤气止回阀 gas check valve
本文介绍了迈尔兹竖窑煤粉计量阀转速的控制原理，并给出了其程序流程图。
This paper introduces the revolution control principle of powdered coal metering valve for MAERZ vertical kiln and its program flow chart.
煤流量控制阀由阀门、气动执行机构及附件组成。
Coal feed flow control valves consist of valve, actuator and accessories.
着重从锅炉设计不合理、热负荷过高、煤种变化、燃烧器的缺陷及节流阀结垢等方面分析了水冷壁爆管的原因，指出必须进行锅炉改造。
Cause analysis of the water cooled wall tube burst focused on irrational points of design, excessive thermal loading, changes of coal category, burner defects and deposits in throttle valves.
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