working principle
The furnace integrates combustion and heat exchange into a new indirect heating technology for heat exchange in the high temperature part of the furnace. The smoke and air are in various ways, heating and environmental protection, high thermal efficiency (up to 60-75%), fast heating, small volume, installation Convenient, reliable, and inexpensive.
Performance characteristics
The high temperature resistance measures are adopted, so that the service life is greatly extended compared with the tubular hot blast stove, and the flue gas longitudinal scouring fin and the negative pressure type flue gas are adopted, the heat exchange portion does not accumulate dust, no need to be cleaned, and the thermal performance is stable. A variety of coal or firewood can be used as fuel, and it is equipped with a secondary air inlet device to burn completely.
Adaptable material
The furnace is a universal hot air device and is used in conjunction with drying equipment for various materials. Widely used in food, seeds, feed, fruit, dehydrated vegetables, fragrant wood, fungus, white fungus, tea, tobacco and other agricultural products, food, pharmaceuticals, chemical raw materials, light and heavy industrial products, heating and dehumidification, can also be used for heating various facilities And dehumidification in the warehouse.
Technical specifications

Pay attention to
◎ The environmental reference temperature standard is 18 ° C ± 2 ° C, and the calorific value of coal is calculated at 5000 Kcal / k g.
◎The hot air temperature in the table is determined by the output air volume. Hot air stove JRF4 type hot air temperature can reach 200 °C or higher, JRF5 JRF6 type hot air temperature can reach 300 °C or higher (special manufacturing can reach above 500 °C), users can adjust according to needs.
◎The height of the hot air stove smoke window is 3 to 5 meters for JRF4 and 5 to 8 meters for JRF and JRF6.
◎The corresponding dimensions of the dimensions in the table are shown in the installation diagram of the hot blast stove.
◎The refractory layer on the inner side wall of the lower part of the furnace takes the furnace as the starting point, and its height: JRF4- 4 is 0.5 meters, which can be installed on site.
◎JRF6 type is a chain grate type combustion device.

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  燃煤热风炉
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  燃煤热风炉

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