Abstract
The treatment of oil-bearing cuttings is a key factor affecting the safety and environmental protection in shale gas exploitation. Frictional heat treatment of oil-cuttings as the most effective method to solve the environmental problems, the safety of the process system is particularly important. At present, there is no safety analysis of the hammer mill thermal desorption device, in order to reduce the risk of hammer mill thermal desorption device due to downtime, and personal injury caused by oil and gas detonation, this paper introduces HAZOP analysis method to evaluate risk, combined with three-dimensional risk assessment methods, take CQ-TDU- 2.0 / 480 as an example, and a suitable deviation matrix for the set of devices is established. Based on the characteristics of the process, the influences of temperature, pressure and wear on hammer mill and other equipment are analysed. As the main risk device of the whole system is the hammer mill, vibration, leakage and blockage are the main risk points of the whole system. The suggestions for improving the operation of the system are put forward, which provide references for the safety analysis of similar solid-liquid gas treatment equipment.
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