JRF series coal hot blast heater(coal stove) 1.Low dust emission 2. ... mechanization degree 4.Flexible JRF series coal hot blast heater(coal stove) PrincipleThe furnace is the collection coal and ... food, seeds, feed, fruit dehydration, vegetables, mushrooms, agaric, tea, tremella, tobacco and other products, foods and pharmaceuticals, chemical raw ... 18.5KW JRF series coal hot blast heater(coal stove)