Comprehensive utilization system of high-grade acetylene waste gas in process of cracking natural gas into acetylene

The invention discloses a comprehensive utilization system of high-grade acetylene waste gas in a process of cracking natural gas into acetylene. The comprehensive utilization system comprises pressurizing equipment, safety equipment, combustion heating equipment, pipeline equipment, temperature monitoring equipment and pressure monitoring equipment, wherein the pressurizing equipment is used forpressurizing high-grade acetylene mixed gas; the security equipment is used for stopping detonation and backfire of the high-grade acetylene mixed gas; the combustion heating equipment is used for performing combustion and heating on the high-grade acetylene mixed gas; the pipeline equipment is sequentially connected with the pressurizing equipment, the safety equipment and the combustion heatingequipment; the temperature monitoring equipment is used for monitoring the temperature of the high-grade acetylene mixed gas to carry out temperature interlocking control on the supply of the high-grade acetylene mixed gas; an