| 摘要 |
PURPOSE: A monitoring device supply pipe of coke oven gas, which prevents the breaking of gas supply due to the abnormal operation of a switch, and a method thereof are provided to reduce the start-up loss due to frequent supply off. CONSTITUTION: A monitoring device supply pipe of coke oven gas comprises a supply pipe(5), first and second low pressure monitoring switches(10,15), first and second high pressure monitoring switches(20,25), a shutoff valve(40), and a controller. The supply pipe supplies the coke oven gas to a furnace. The first and the second low pressure monitoring switch detect the low pressure state of the supply pipe through the first pipe pressure pipe and the second pipe pressure pipe. |
