Ventilation energy-saving equipment for plants and workshops

The invention provides ventilation energy-saving equipment for plants and workshops. The equipment comprises an air suction pipe, an exhaust pipe, a middle connecting pipe, a rail, a movable trolley and a suction fan, wherein the rail is installed at the top of the plant, the movable trolley is connected with the rail in a sliding mode, the air suction pipe is fixedly installed on the movable trolley, the air suction pipe is vertically arranged downwards, the suction fan is connected to the upper end of the air suction pipe, the exhaust pipe is fixed at one end of the rail, an outlet of the exhaust pipe extends out of the plant, one end of the middle connecting pipe is connected with the air exhaust pipe, the other end of the middle connecting pipe is connected with the suction fan, and the middle connecting pipe can perform telescopic movement. According to the ventilation energy-saving equipment for the plants and the workshops, the ventilation effect is good, and the ventilation equipment is particularly s