Flow adjusting device for monitoring chemical waste gas

The utility model provides a flow regulating device for monitoring chemical waste gas, which comprises a gas inlet pipeline, a pump component and a gas outlet pipeline which are connected in sequence, and a first flow regulating valve is arranged on the gas outlet pipeline; the adjusting pipeline is connected with an outlet of the pump assembly; the pump assembly comprises a sampling pump. According to the flow regulating device for monitoring the chemical waste gas, the flow speed in the waste gas sampling process is high, the flow requirement of a detection instrument is met, and the response speed of waste gas detection is increased. 本实用新型提供一种用于化工废气监测的流量调节装置，包括依次连接的进气管路、泵组件和出气管路，所述出气管路上设有第一流量调节阀；还包括调节管路，调节管路与泵组件的出口连接；所述泵组件包括采样泵。本实用新型的一种用于化工废气监测的流量调节装置，保证废气取样过程流速快且满足检测仪器的流量要求，提高废气检测响应速度。