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After the big crane tube automatic metering loading system is put into use, the company&＃39;s annual production capacity of gasoline will reach 2 million tons and diesel will reach 2 million tons. Storage and transportation plant of large crane tube automatic loading system adopts programmable controller (PLC), can not only collect control switch quantity, and to collect control analog quantity and digital quantity, at the same time realize logic operation, process control and interlock protection, timing, counting and arithmetic operations such as function, debugging convenient maintenance, high stability, strong anti-interference ability and high reliability etc. Moreover, it also greatly reduces the workload of operators and maintenance personnel, and realizes the requirements of oil storage and transportation to automation, networking, information and intelligent transition. Therefore, to ensure the long cycle of equipment, safe and stable operation is the top priority of the task.
Investigation on the status quo of crane tube loading system
By collecting the annual instrument shift and working ticket records, the 200 failures of all the instrument control system in the selected train section were classified and counted, and the causes of the failures were summarized from five interlocking conditions, including loading and paying oil interlock, crane tube interlock, oil selection valve interlock, oil receiving bucket interlock and car climbing start interlock
