Structural characteristics of the cotton seed oil refining machine (1) heat source is the best heat conducting oil with high temperature (10?300), high heat transfer efficiency, high temperature hydration refining method, improve the refining rate. (2) the supporting oil heater replaces the steam boiler, which is highly adaptable to fuel, and can burn rice husk, wood and coal with little investment and good effect. (3) automatic measurement and control of temperature, pressure, flow and liquid level, with simple operation and no long-term training for operators. (4) rack composition A reasonable production line, compact structure, small footprint, beautiful shape, easy to operate.