翻钢机,换向机
After PLC control technology is applied, the revering program disturbance protection is realized, enabling electric control system for gas reversing machine more safe and reliable.
应用PLC控制技术后,实现了交换程序紊乱保护,使煤气交换机电控系统更加安全可靠。
The result shows that the defrosting period of machine with electronic expansion valve is 12 seconds or 11% shorter than that with thermal expansion electronic valve, so suggests integrating both two methods by using the electronic expansion valve and defrosting by reversing four-way valve with compressor off.
结果表明:采用电子膨胀阀的除霜时间比热力膨胀阀的短12s,即减少11%。
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