Vacuum pipeline system of Fister impregnation tank

The utility model relates to a Fister impregnation tank vacuum pipeline system which comprises a support, a vacuum pump, two vacuum tanks, two liquid level tanks, two impregnation tanks, a batching tank, a first main vacuum pipeline and a second main vacuum pipeline, the two impregnation tanks are arranged in the support side by side, the two liquid level tanks are fixedly connected to the top of the support, each liquid level tank corresponds to one impregnation tank, and the batching tank is arranged in the support. The bottom of the liquid level tank is connected with the dipping tank through a pipeline, the top of the liquid level tank is connected with a first main vacuum pipeline through a pipeline, the first main vacuum pipeline is divided into three branches, the three branches converge to form a second main vacuum pipeline, the second main vacuum pipeline is connected with the two vacuum tanks connected in parallel, and a first valve is arranged on the second main vacuum pipeline. The rear end of the