Pretreatment system for irritant organic waste liquid

An irritant organic waste liquid pretreatment system comprises a multifunctional cover, an air inlet hole is formed in the multifunctional cover, a large guide pipe is arranged in the air inlet hole, the lower end of the large guide pipe is connected with a medium guide pipe, a small guide pipe is arranged at the lower end of the medium guide pipe, and the large guide pipe is connected with a waste liquid pump. The waste liquid pump is respectively connected with the gate valve I and the gate valve II, the gate valve I is connected with the waste liquid storage tank through a pipeline, the gate valve II is connected with the incineration system, and the waste liquid storage tank is connected with the exhaust fan. By means of the pretreatment device, small-package irritant waste liquid can be effectively combined or directly pumped to an incineration system to be incinerated, harm of irritant gas to the body health of operators is reduced, and the situation that irritant organic waste liquid leaks and pollutes