Straight cylinder type sewage tank

The utility model discloses a straight cylinder type sewage tank which comprises a tank body, the tank body is of a straight cylinder type structure, a sewage inlet is formed in the top of the tank body, a horizontal bottom plate is fixed to the bottom of the tank body, a sludge pumping opening is formed in the horizontal bottom plate, and a cone structure is fixed to the upper surface of the horizontal bottom plate. The cone structure is located in the middle of the horizontal bottom plate, and the sludge pumping opening is located between the inner wall of the tank body and the cone structure. The cone structure is made of a steel plate; or the cone structure is made of a steel plate, and a stainless steel plate is fixed on the surface of the cone structure. The capacity of the sewage tank is increased, sludge can be prevented from being accumulated and hardened at the bottom of the sewage tank, and the sludge pumping opening is prevented from being blocked. 本实用新型公开了一种直筒式污水罐，包括罐体，所述罐体为直筒式结构，所述罐体顶部设有污水进水口，所述