joint commissioning

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1. Purpose of joint commissioning: The purpose of joint commissioning is to verify whether the performance and quality of the equipment, pipelines, valves, electrical systems, instruments, computers, etc. in the installation meet the requirements of the design and specifications. 2. The contents of the joint commissioning include: instrument coordination testing of the system, water circulation, airtight replacement of the equipment, system drying, hot and cold oil circulation, heating furnace drying, and filling with the three types of agents. Generally, it should start with a single system, and then expand to the coordinated operation of several systems or the entire installation. During the joint commissioning process, instruments that are not affected by process conditions, as well as protective interlocks and alarms, should all be involved in the testing, and the automatic control system should be put into use gradually.