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JRF series indirect coal-fired hot blast stove
Application scope: This furnace is a universal hot air device that is used in conjunction with drying equipment for various materials
Product details
Application scope:
This furnace is a universal hot air device that is used in conjunction with drying equipment for various materials. Widely used for heating and dehumidification of agricultural products such as grains, seeds, feed, fruits, dehydrated vegetables, fragrant mushrooms, fungus, Tremella fuciformis, tea, tobacco leaves, food, pharmaceuticals, chemical raw materials, and light and heavy industrial products. It can also be used for heating various facilities and dehumidification in warehouses.
Working Principle:
This furnace is a relatively new indirect heating technology that integrates combustion and heat exchange, using high-temperature parts of the furnace body for heat exchange. Smoke and air flow separately, heating is absolutely pollution-free, with high thermal efficiency (up to 60-75%), fast heating, small size, easy installation, reliable use, and low price (compared to a one ton boiler, this heating system is only half the price of a boiler heating system).
Product Features:
High temperature resistance measures have been taken to greatly extend the lifespan of the tubular hot air stove, and the longitudinal flushing of the flue gas and negative pressure exhaust method have been adopted. The heat exchange part does not accumulate dust, does not need to be cleaned, and the thermal performance is stable. Various types of coal or wood can be used as fuel, and equipped with a secondary air inlet device for complete combustion. All technical and economic indicators of the furnace have reached the leading level in China.
Installation diagram:
Technical Specifications:
Notice:
The environmental benchmark temperature standard is 18 ℃± 2 ℃. The calorific value of coal is calculated at 5500kcal/kg.
The hot air temperature in the table is determined based on the output air volume. The hot air temperature of JRF4 type hot blast stove can reach over 200 ℃, while JRF5 and JRF6 can reach over 300 ℃ (special manufacturing can reach over 500 ℃). Users can adjust it according to their needs.
The hot air temperature can reach over 300 ℃ (or over 500 ℃ for special manufacturing). Users can adjust it according to their needs.
The height of the smoke window configuration for the hot blast stove is 3-5 meters for JRF4 type, and 5-8 meters for JRF5 and JRF6 types.
The corresponding positions of the external dimensions in the table are shown in the installation diagram of the hot air stove.
The refractory layer on the inner wall of the lower part of the furnace starts from the grate and has a height of 0.5 meters for JRF4-4 type, which can be installed on site.
JRF6 type is a chain grate combustion device.
This furnace is a universal hot air device that is used in conjunction with drying equipment for various materials. Widely used for heating and dehumidification of agricultural products such as grains, seeds, feed, fruits, dehydrated vegetables, fragrant mushrooms, fungus, Tremella fuciformis, tea, tobacco leaves, food, pharmaceuticals, chemical raw materials, and light and heavy industrial products. It can also be used for heating various facilities and dehumidification in warehouses.
Working Principle:
This furnace is a relatively new indirect heating technology that integrates combustion and heat exchange, using high-temperature parts of the furnace body for heat exchange. Smoke and air flow separately, heating is absolutely pollution-free, with high thermal efficiency (up to 60-75%), fast heating, small size, easy installation, reliable use, and low price (compared to a one ton boiler, this heating system is only half the price of a boiler heating system).
Product Features:
High temperature resistance measures have been taken to greatly extend the lifespan of the tubular hot air stove, and the longitudinal flushing of the flue gas and negative pressure exhaust method have been adopted. The heat exchange part does not accumulate dust, does not need to be cleaned, and the thermal performance is stable. Various types of coal or wood can be used as fuel, and equipped with a secondary air inlet device for complete combustion. All technical and economic indicators of the furnace have reached the leading level in China.
Installation diagram:
Technical Specifications:
| Name and model | JRF-15 | JRF-20 | JRF-30 | JRF-40 | JRF-60 | JRF-80 | JRF-100 |
| Inner tube diameter | 760 | 760 | 1170 | 1170 | 1470 | 1670 | 1870 |
| outer cylinder diameter | 1280 | 1280 | 1840 | 1840 | 2200 | 2460 | 2700 |
| total height | 3500 | 3500 | 4260 | 4760 | 4810 | 5110 | 5310 |
| Equipment weight | 3.15T | 3.65T | 6.8T | 7.5T | 9.8T | 11.7T | 13.5T |
| Diameter of hot air outlet | 300 | 300 | 500 | 500 | 500 | 600 | 600 |
| Height of hot air outlet | 1585 | 1585 | 1670 | 1670 | 1670 | 1770 | 1770 |
| Diameter of flue gas outlet | 250 | 250 | 250 | 250 | 250 | 300 | 320 |
| Smoke outlet height | 2050 | 2050 | 2220 | 2220 | 2220 | 2385 | 2385 |
| Bull horn elbow model | XZD/G φ578 | XZD/G φ810 | |||||
| Hourly coal consumption | 43kg | 57kg | 85kg | 115kg | 170kg | 230kg | 286kg |
| The combustion value of coal |
5000kca/h |
||||||
| thermal efficiency | 70-75％ | 75-80％ | |||||
| Model of smoke exhaust fan | Y5-47-3.15C-1.5KW | Y5-48-4C-2.2KW | Y5-48-4C-3KW | Y5-47-4C-3KW | Y5-47-4C-4KW | Y5-47-5C-7.5KW | |
Notice:
The environmental benchmark temperature standard is 18 ℃± 2 ℃. The calorific value of coal is calculated at 5500kcal/kg.
The hot air temperature in the table is determined based on the output air volume. The hot air temperature of JRF4 type hot blast stove can reach over 200 ℃, while JRF5 and JRF6 can reach over 300 ℃ (special manufacturing can reach over 500 ℃). Users can adjust it according to their needs.
The hot air temperature can reach over 300 ℃ (or over 500 ℃ for special manufacturing). Users can adjust it according to their needs.
The height of the smoke window configuration for the hot blast stove is 3-5 meters for JRF4 type, and 5-8 meters for JRF5 and JRF6 types.
The corresponding positions of the external dimensions in the table are shown in the installation diagram of the hot air stove.
The refractory layer on the inner wall of the lower part of the furnace starts from the grate and has a height of 0.5 meters for JRF4-4 type, which can be installed on site.
JRF6 type is a chain grate combustion device.
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