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Rotary dryers

Biomass Hot Blast Stove

【Temperature of hot air】:180 to 320 degree centigrade;
【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】:after combustion and reaction, hot combustion air will further contact with outer air. After reaching a certain temperature, hot air will directly enter drying room or bakery room for being heated, and evaporated. Finally, dry products will be got;


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Advantages:

1.Full combustion; no black smoke; clean operation environment; reach environmental standard; no secondary pollution;
2. High cleanness of hot air; dust contained in hot air is 30 to 120 mg/N cubic meters;
3. Thermal efficiency is higher than 95%;
4. It is convenient to adjust the temperature of hot air; it can adjusted when the temperature is under 900 degree centigrade; the constant air supplied is stable(about 5 deviation);
5. Simple operation; easy adjustment;
6. High safety performance; no risk of explosion;
7. Strong durability; low running cost; easy maintenance;
8. All hot air will enter drying equipment; it is no need to increase discharge outlet in the production process;

Products:

After combustion and reaction, hot combustion air will further contact with outer air. After reaching a certain temperature, hot air will directly enter drying room or bakery room for being heated, and evaporated. Finally, dry products will be got; 
Biomass hot air furnace is composed of biomass burner, hot air purifier room and air mixing chamber.
  Materials are sent to bunker of burner by feeder. Then materials are sent to combustion chamber of burner by screw feeder. Combustion air is sent to distribution room by fan. Then, the combustion air will enter air chamber under fire grate through adjustment valve. Then, air will pass through materials layer through fire grate. Volatile matter will be overshoot first. On fire grate, particles will contact with air fully and produce high-temperature flue gas. Hot flame will be injected from the burner outlet. Slag will be discharged from another outlet to slag removing machine. Hot flame will enter high-temperature air purifier room for secondary combustion. Dust contained in flue gas will got high temperature polymer deposition. Clean hot air from purifier room will mix with certain amount of cold air. The temperature of hot air is proper for drying materials and hot air will enter drying equipment (such as spray tower, rotary kiln, baking oven, oasthouse, air flow dryer and fluid bed ) for drying materials. The temperature of hot air can be adjusted according to real need. The temperature of constant air supplied is very stable (the deviation is about 5).

Technical Parameters:
Taking 50 kilo calorie as an example, the running cost of fuels are following (only for your reference).
 Types of fuels (Kcal/kg)
Thermal value
Efficiency of utilization Market price consumption amount  running cost 
Diesel 1.0 to 1.1 ×10000 kilocalorie  about 50% 7.5yuan/kg 100 kg 750 yuan
Natural gas 8500/standard square meter about 60% 4.8yuan/kg 100 cubic meters  480 yuan
Industrial electricity 860/°C about 90% 1yuan/°C 640 kilowatt 640 yuan
Coke 6000 to 7000 about 45% 1800yuan/ton 180 kg 324 yuan
Wooden particles 4200 to 4800 about 50% 1000yuan/ton 240 kg 240
 
Model kcal
Thermal power
kw
Power of host
°C
Temperature of hot air
kg/h
Fuel consumed
m³/h
hot air volume 
ZY-I-A10 10 3 180 20 5000
ZY-I-A20 20 3 180 30 6000
ZY-I-A30 30 5.5 180 70 7000
ZY-I-A45 45 7.5 180 85 10000
ZY-I-A60 60 7.5 220 110 11000
ZY-I-A90 90 11 220 180 15000
ZY-I-A120 120 15 260 254 48000
ZY-I-A240 240 30 300 510 65000
ZY-I-A300 300 37 320 635 68000
 
Note: No further notice if the technical parameters change.

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