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Product Introduction
The 800 TPD (Tons Per Day) Waste Recycling Plant Rotary Kiln is a high-capacity, heavy-duty thermal processing system engineered for large-scale resource recovery and waste-to-energy facilities. Modern recycling plants handle massive volumes of diverse post-consumer and industrial wastes, including municipal solids, shredded plastics, non-recyclable paper, biomass, and sorting rejects, all of which contain significant chemical energy or reusable mineral content.
This 800 TPD rotary kiln is designed as the technological core of modern recycling infrastructures. By providing reliable high-temperature treatment, it extracts thermal energy for power generation, destroys harmful pathogens, and converts mixed, non-recyclable waste streams into useful by-products like sterile vitrified slag, bio-char, or synthetic ash, effectively driving the global shift toward a zero-waste circular economy.
Working Principle
The operation of the 800 TPD waste recycling rotary kiln centers on continuous material tumbling combined with controlled thermal decomposition and energy extraction:
Material Delivery and Feeding: Coarsely shredded waste or sorting residues are continuously transported from a storage bunker via heavy-duty conveyor belts or hydraulic ram feeders. The material enters the kiln tail, which is the higher end of the inclined system.
Mechanical Tumbling and Axis Advance: The kiln shell is installed at a slope of 3.5 percent to 4 percent and rotates slowly under a high-torque drive system. The continuous rotational movement systematically lifts, cascades, and flips the waste bed. This continuous mechanical agitation breaks up material clumps and exposes fresh surfaces to the hot gas stream, while gravity coaxes the waste downward toward the lower end, known as the kiln head.
Thermal Conversion and Roasting: Depending on the facility's goals, the kiln operates under an oxygen-rich environment for total incineration (850 to 1000 degrees Celsius) or an oxygen-deficient environment for pyrolysis and gasification (500 to 700 degrees Celsius). High-performance multi-fuel burners at the kiln head inject fuel to manage these thermal zones. The waste undergoes rapid drying, chemical volatilization, and deep carbonization, releasing high-temperature synthesis gases or thermal energy.
Slag Discharge and Energy Capture: The completely treated, inert mineral slag is discharged from the lower end into a quench cooler, where it is cooled for use as aggregate or processed to recover embedded metals. The ultra-high-temperature flue gases exit the kiln and flow directly into a waste heat recovery boiler to produce high-pressure steam, which drives turbines to generate clean electricity for the grid.
Product Features
Massive Throughput with Superior Fuel Flexibility: Tailored specifically for 800 TPD operations, this kiln features a spacious internal volume and a highly adaptable combustion system. It can simultaneously process materials with highly volatile heating values, maintaining structural and thermal equilibrium without requiring strict waste pre-sorting.
Excellent Burnout and Ultimate Volume Reduction: The extended residence time and continuous tumbling inside the kiln guarantee near-perfect combustion or gasification efficiency. This results in a minimal loss-on-ignition in the final ash, completely neutralizing all organic hazards and reducing total waste volume by up to 90 percent.
Anti-Scaling and Advanced Refractory Defense: Recycled waste streams often generate highly abrasive particles and corrosive chemical vapors at high temperatures. The kiln interior is lined with premium-grade, low-porosity, high-alumina or silicon carbide refractory bricks that resist mechanical wear, chemical corrosion, and the formation of sticky slag rings along the inner walls.
Smart Automation and Real-Time Process Optimization: Controlled via an advanced PLC and SCADA network, the system continuously monitors kiln rotation speed, internal draft pressures, and temperature profiles. The automated system dynamically adapts the raw material feed rate and burner output to match the immediate calorific behavior of the incoming waste stream, ensuring safe and predictable 24/7 operations.
High-Performance Sealing and Zero Odor Leakage: Because recycling waste can produce strong odors and hazardous gases, the kiln head and tail are equipped with heavy-duty mechanical scale or labyrinth graphite seals. The entire process loop operates under continuous negative pressure, preventing any ambient gas leakage and integrating flawlessly with strict modern air-pollution control systems.
Technical parameters
Model |
Speed (r/min) |
Inclination (%) |
Capacity (t/h) |
Gearbox Model |
Ratio |
Motor Model |
Motor Power (kW) |
Motor Speed (r/min) |
Thrust Roller Type |
Support Count |
Weight (t) |
Φ1.9/1.6x36 |
0.53-1.59 |
4 |
2.5-3 |
JZQ750-1 |
48.58 |
JZT-72-4 |
30 |
1200/400 |
Mechanical |
3 |
53 |
Φ2.1/1.8x36 |
0.5-1.51 |
4 |
4 |
UT2-110 |
163.38 |
JZS-81 |
30/10 |
1410/470 |
-- |
3 |
75 |
Φ1.2x25 |
0.5-1.6 |
3 |
-- |
PM650 |
40.17 |
JZTY71-4 |
22 |
1200/120 |
-- |
3 |
34 |
Φ1.6x32 |
0.158-0.258 |
3 |
-- |
PM750 |
48.57 |
JZJY61-4 |
15 |
1200/120 |
-- |
3 |
46.82 |
Φ1.8x45 |
0.66-1.98 |
4 |
3.5 |
UT2-110 |
163.38 |
JZS-81 |
30/10 |
1410/470 |
-- |
3 |
80 |
Φ2.2x50 |
0.125-1.25 |
3.5 |
4 |
ZS145-11 |
157 |
YCT280-4A |
30 |
1320/132 |
-- |
3 |
130.7 |
Φ2.5x50 |
0.516-1.549 |
3.5 |
5.5 |
ZS165-7 |
99.96 |
YCT355-4A |
55 |
1320/440 |
-- |
3 |
167.5 |
Φ3x48 |
0.3309-3.309 |
3.5 |
35 |
ZL130-14 |
32.11 |
ZSN4-250-21B |
90 |
1000/100 |
-- |
3 |
237 |
Φ3.2x50 |
0.398-3.975 |
3.5 |
50 |
ZL130-16 |
40.85 |
ZSN4-280-11B |
190 |
1500/150 |
-- |
3 |
263 |
Φ3.3x52 |
0.391-3.91 |
3.5 |
50 |
ZSY500-28 |
27.707 |
ZSN4-315-082 |
190 |
1000/100 |
-- |
3 |
280.8 |
Φ4x60 |
0.396-3.96 |
3.5 |
104 |
ZSY630-35.5 |
34.601 |
ZSN4-355-092 |
315 |
1000/100 |
Hydraulic |
3 |
487.5 |
Φ4.2x60 |
0.4165-4.165 |
3.5 |
116 |
ZSY710-35.5 |
35.526 |
ZSN4-355-12 |
420 |
1000/100 |
-- |
3 |
576.1 |
Φ4.3x62 |
0.398-3.98 |
3.5 |
125 |
ZSY710-35.5 |
35.714 |
ZSN4-355-12 |
420 |
1000/100 |
-- |
3 |
598.5 |
Φ4.8x74 |
0.35-4 |
4 |
208 |
JH710C-SW305-40 |
42.226 |
ZSN4-400-092 |
630 |
1500/130 |
-- |
3 |
841 |
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