Waste gas absorption device of Grignard reaction kettle

The utility model relates to a waste gas absorption device of a Grignard reaction kettle, the waste gas absorption device comprises a gas collecting hood, a connecting pipe, a liquid medicine box and a sucking pump, one end of the connecting pipe is communicated with the gas collecting hood, and the other end of the connecting pipe penetrates into the liquid medicine box; and the sucking pump is arranged on the connecting pipe. The waste gas treatment device has the effect of treating and absorbing waste gas discharged from the reaction kettle. 本申请涉及一种格氏反应釜的废气吸收装置，其包括集气罩、连接管、药液箱以及抽气泵，所述连接管一端与所述集气罩相连通，所述连接管另一端穿设入所述药液箱内；所述抽气泵设置于所述连接管上。本申请具有将反应釜内排出的废气进行处理吸收的效果。