Anti-coking device for delayed coking high-temperature oil-gas line

The utility model relates to an anti-coking device for a delayed coking high-temperature oil-gas line. According to the technical scheme, the device comprises an oil-gas pipeline, one side of the outer wall of the oil-gas pipeline is fixedly connected with a quenching oil tank, the inner wall of the quenching oil tank is fixedly connected with a liquid pump, the output end of the liquid pump is fixedly connected with a first connecting pipe, the other end of the first connecting pipe is detachably connected with a liquid outlet pipe, and the liquid pump is electrically connected with an external power source; after the spray head is used for a period of time, the spray head needs to be cleaned; the screw rod is screwed out from the interior of the threaded groove; the pull rod is manuallypulled to rotate the mounting pipe to the other side of the oil-gas pipeline; and the electric telescopic rod is controlled to descend the mounting pipe, the spray head can be detached after descending, the spray head is repl