The Application of PLC Control Technology in Gob Gas Drainage

The data acquisition of temperature,primary gas density and other parameters which existed in the gas drainage pipeline of the gob is achieved by taking advantage of PLC control technology,and real time adjustment of vacuum air pump,water circulating pump,cooling fan and major pipe electromotion regulating valve and other devices is achieved.The technological requirements and control logic table of PLC control technology is given,and it has a good run results.