The tank is divided into two layer horizontal heat preservation storage tank and three layer horizontal heat preservation storage tank. This series of tanks are designed, manufactured, Pressure testing and received according to GB2880-81 steel normal pressure vessels, with the function of heating and heat preservation. The storage tank interface adopts the international standard fast-assembling clamp. The tube has the liquid Indicator, air breather, thermometer, mouths of inflow or outflow and recycle pump, manhole. Complete in specifications, may be designed and manufactured according to the customer’s actual demand.