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| Rotary kiln incinerator |
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Rotary kiln incinerator
The rotary kiln incinerator is manufactured with a rotating combustion chamber that keeps waste moving, thereby allowing it to vaporize for easier burning. Types of waste treated in a rotary kiln incinerator
- Hazardous waste and PCB waste
- Medical, clinical or hospital waste like "Red bag waste", infectious waste, surgical waste, injection needles, rubber gloves and tubing, tissues and bandage, drop-bags, medical remains, scalpels, infectious and pathological waste, blood plasma remains, cloths, laboratory waste, medicine remains, glass pipette, plastic samples, steel tools, etc.
- Chemical waste and pesticides
- Sludge waste, cattle waste, industrial waste, petro-chemical waste, oil waste, etc.
The picture below gives a schematic overvieuw of the system manufactured to treat the waste in a rotating drum. Depending on the amount of Chlorine in the waste stream there is a wet or/and dry scrubbing system available for the flue gas treatement. Mainly we have:
- Feed system and inlet panel
- Rotary kiln combustion chamber, with drive motor and gear box
- Supporting fuel burner for the combusting chamber and the de-ashing chamber at the end of the rotary kiln
- Secondary combustion chamber, also called post combustion chamber, with support burner to have 1200 degrees C and a residence time of min. 2 sec.
- Energy recuperation system, heat boiler or quench tower for cooling,
- Dosation units for active carbon and Sodium-Bi-Carbonate to the flue gas in the dry scrubbing system
- HCl, SO2 scrubbers and dioxine removal system
- Dry scubber: bag house with teflon sleeves and residue extraction system. Also called a dust filter. Used for particle dust, dioxines and furans removal
- Ventury scrubber and demister in the wet scrubbing system
- Continious emission monitoring system, all instrumentation and controls,
control panels with programmad PLC to control the installation (also by internet).
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Medical waste incinerator - Rotary kiln
Dry scrubbing - See PHOTOS
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Hazardous waste incinerator - Rotary kiln
Wet scrubbing - See FILM
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A virtual tour guide through a manufactured hazardous waste incinerator plant (with wet scrubbers)
Film: rotary kiln incinerator with a capacity of 750 kg/h of hazardous waste
Some rotary kiln characteristics
- Rotate wastes in rotary kiln, enabling thorough mixing with air
- Operating temperature from 800 - 1400 degree Celcius
- Has great resistance to high temperatures
- Can handle liquid, sludge, solid, gas in large quantities
- Can handle batch modes like barrels and allows more flexibility than continious modes
Capacity of different rotary kilns
- * Medical waste estimated at 24 MJ/kg (5735 kCal/kg)
- ** Industrial waste estimated at 16 MJ/kg (3823 kCal/kg)
- *** Oil and PVC waste estimated at 35 MJ/kg (8363 kCal/kg)
Capacity of the rotary kiln incinerator
| Type |
Thermal capacity |
Medical waste * |
Industrial waste ** |
Oil and PVC waste *** |
| BIR050 |
500.000 Kcal/h |
(582 kW) |
87 kg/h |
130 kg/h |
60 kg/h |
| BIR125 |
1.250.000 Kcal/h |
(1.164 kW) |
218 kg/h |
326 kg/h |
150 kg/h |
| BIR250 |
2.500.000 Kcal/h |
(2.910 kW) |
436 kg/h |
654 kg/h |
300 kg/h |
| BIR375 |
3.750.000 Kcal/h |
(4.365 kW) |
654 kg/h |
981 kg/h |
450 kg/h |
| BIR500 |
5.000.000 Kcal/h |
(5.820 kW) |
872 kg/h |
1308 kg/h |
600 kg/h |
| BIR750 |
7.500.000 Kcal/h |
(8.730 kW) |
1308 kg/h |
1962 kg/h |
900 kg/h |
| BIR900 |
9.000.000 Kcal/h |
(10.477 kw) |
1569 kg/h |
2354 kg/h |
1076 kg/h |
| BIR1100 |
11.000.000 Kcal/h |
(12.800 kW) |
1918 kg/h |
2877 kg/h |
1315 kg/h |
| BIR2000 |
20.000.000 Kcal/h |
(23.273 kW) |
3487 kg/h |
5231 kg/h |
2391 kg/h |
Note: The rotary kiln incinerator for medical and hazardous waste is operating 24h per day and 7500 h/year.
Medical and hazardous waste incineration related links and download files
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