... resin, food, etc., Heat rapidly, able to bear the character- istics, such as high temperature, corrosion-resistant, ... hygiene, having no environmental pollution, not need the boiler to be heated, easy to use automatically ... its sealing device;and the structure of jacket or half-pipe or coil pipe is available for ... 180 Jacket Chemical Reactor (outer jacket, the outer half coil, honeycomb jacket or inner ...