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Rotary dryers

Hand-fired Hot Blast Stove

Total amount of burnt coal: 60 to 360 kg
Applications: it is applied to production industries such as metallurgy, drying, chemistry, building materials, refractory materials and fertilizer.
Materials: non-caked and weak bonding bitumite and anthracite;
Product introduction: hot air furnace is a kind of heat exchange equipment which regards air as working media. It is divided into two kinds, indirect and direct one. 

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Advantages:

1. Simple structure, save, quick and easy to operate;
2. Can use a wide range of fuels such as biomass, lignite and bitumite;
3. Adopt special fire bar; casting type furnace body and optimization type furnace structure can guarantee long service span of hot air furnace;
4. Reasonable air distribution and inlet and outlet air design; full combustion; high thermal efficiency which can reach 10%;
5. Furnace body and heat exchanger are installed separately, which provides convenience for transportation and maintenance;
6. The thermal efficiency of direct hot air furnace is 15% to 20% higher than that of indirect hot air furnace;
Applications of hand-fire type hot air furnace: 
Feed: dregs, barley straw feed, pellet feed, dicalcium phosphate etc. 
Building materials: ceramic fiber, insulation board, thermal insulation cotton, ultra-fine powder, desulfurization gypsum, quartz sand, etc. 
Environmental protection type: paper making black liquor (lignin), sludge drying, phosphorus gypsum, waste liquid treatment, solid waste, etc. 
Food and drug categories: food, dried fruits, vegetables, medicines, etc
Water purification agent: polymeric aluminum chloride, sulfuric acid, etc. 
Other: wood, mining smelting processing, rubber powder, acetylene bottle, plastic mold etc. 

Products:

Hand-fire type hot air furnace
hot air furnace is a kind of heat exchange equipment which regards air as working media. It is divided into two kinds, indirect and direct one. According to the furnace structure, hot air furnace can be divided into hand-fire type, chain type and nozzle type. According to fuels used, it can be divided into biomass fuel hot air furnace, coal hot air furnace, gas hot air furnace and oil hot air furnace. 

Technical Parameters:
Names (model ) 10000
Kilocalorie 
10000
Kilocalorie 
10000
Kilocalorie
10000
Kilocalorie
10000
Kilocalorie
10000
Kilocalorie
10000 Kilocalorie 10000 kilocalorie
(%)
Thermal efficiency
 
(°C)
Temperature of hot air outlet
80-300
(mw)
Heat supplied
0.12 0.23 0.35 0.47 0.7 1.0 1.2 1.4
(Nm³/h)
Air volume
3017-1688 3222-2148 5750-3130 6445-4296 8440-5330 21484-21890 31055-21484
(kg/h)
Coal consumed
24 40-50 50-60 70-80 100-110 130-140 190-200 240-250
(kw)
Power
5.5 7 9.5 14.5 22 30 45 52
Coal available II kind bitumite
(mm)
Overal dimension
1220×2250 1450×2800 1650×3500 1750×3500 1950×4350 2200×5000 2400×5500 2600×5800
(T)
Reference weight
1.3 1.6 2.3 3.8 4.2 5.5 9.8 12

Note: No further notice if the technical parameters change.

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