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Manual Feeding Air Furnace
【Application】Dryer machine, boiler ,industry furnace and others
【Rated heating capacity】 200,000~2000,000kcal/h
【Hot air temperature】 200~650℃
【fuel】wood, coal and others

   Manual Feeding Air Furnace 

Instruction 
Manual air furnace is a kind of heat exchanger equipment with air as medium, which be classified as direct heating furnace and indirect heating furnace.

The heating process of direct heating furnace is mixing high-temperature flue gas with cold air directly. The gas mixture then gets cleaned through dedusting equipment and eventually delivered out at certain temperature, pressure and flow rate. The heated hot air can be used for heating and drying in various drying equipment. Without the process of heat exchange and heat conduction, direct heating furnace has high heat efficiency. 

The indirect heating furnace is equipped with heat exchanger, in which high-temperature flue gas exchanges heat with cool air taken by draught fan. Cold flow gets heated through co-current heat conduction and delivered out at certain temperature, pressure and flow rate. High-temperature flue gas is produced by furnace and discharged by gas duct after the heating process. 

Application
a)Feed: brewers, highland barley straw, grain feed, calcium hydrophosphate 
b)Building materials: ceramic fiber, insulation board, cotton insulation, ultrafine powder, desulfurization gypsum, quartz sand, etc.
c)Environmental products: papermaking black liquor (lignin), sludge drying, phosphogypsum, waste treatment, etc.
d)Food and medicine: food, dried fruits, vegetables, medicines, etc.
e)Water purifier: polyaluminium chloride, sulfuric acid, etc.
f)Others: metallurgy pretreatment, rubber, timber, mineral powder, acetylene, paper mould, etc.

Product features
1.Simple configuration. User-friendly installation and operation.
2.Wide applicability. Our product is suitable for biomass fuel, brown coal and bituminous coal.
3.Specialized furnace grate, casted furnace and optimized configuration can ensure long working life.
4.Proper design of air ratio, gas inlet and gas outlet realize complete combustion and high heat efficiency.
5.The heating furnace is separate from the heat exchanger, which is convenient to transportation and maintenance.
6.The heating efficiency of direct heating furnace is 15% to 20% higher than indirect heating furnace.

model
LRF-10×104cal
LRF-20×104cal
LRF-30×104cal
LRF-40×104cal
LRF-60×104cal
LRF-80×104cal
LRF-100×104cal
LRF-120×104cal
heat efficiency(%)
≧73
≧73
≧73
≧73
≧73
≧73
≧73
≧73
hot wind temperature(℃)
80-300
80-300
80-300
80-300
80-300
80-300
80-300
80-300
heat capacity(mw)
0.12
0.23
0.35
0.47
0.7
1.0
1.2
1.4
air volume (nm3/h)
3071-1688
3017-1688
3222-2148
5750-3130
6445-4296
8440-5330
21484-12890
31055-21484
coal consumption(kg/h)
24
40-50
50-60
70-80
100-110
130-140
190-200
240-250
power(kw)
5.5
7
9.5
14.5
22
30
45
52
fuel
bituminous coal
dimension(mm)
1220×2250
1450×2800
1650×3500
1750×3500
1950×4350
2200×5000
2400×5500
2600×5800
weight(t)
1.3
1.6
2.3
3.8
4.2
5.5
9.8
12

 

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