Contact Platform Support
Help CenterRotary Kiln for Industrial Residue Calcination 400 Tpd
Product Spotlights
Related Products
Product Introduction
The 400 TPD (Tons Per Day) Industrial Residue Calcination Rotary Kiln is a high-precision, heavy-duty thermal processing system engineered for the chemical, metallurgical, and mineral processing industries. Industrial residues—such as chemical sludges, bauxite tailings, non-ferrous metal residues, phosphogypsum, and mineral processing wastes—often contain bound chemical water, organic impurities, or valuable mineral phases that require precise high-temperature treatment.
This 400 TPD rotary kiln system is specifically designed to perform industrial calcination, a process that uses high heat to drive off volatile matter, chemically alter mineral structures, or induce phase transformations. It effectively upgrades low-value industrial residues into stable, high-purity raw materials suitable for recycling, manufacturing synthetic aggregates, or safe industrial re-use.
Working Principle
The operation of the 400 TPD industrial residue calcination rotary kiln relies on highly precise temperature profiling and counter-current heat transfer:
Controlled Feeding: The industrial residue, which can range from fine powders and filter cakes to granulated crystals, is continuously introduced into the kiln tail (the higher end) via customized feeding systems like water-cooled screw conveyors or heavy-duty piston pumps.
Transport and Uniform Tumbling: The kiln shell is installed at a specific slope of 3.5 percent to 4 percent and rotates slowly. Driven by a variable frequency motor, the slow rotation of the kiln shell causes the residue bed to constantly roll, tumble, and invert. This continuous movement ensures that every particle is evenly exposed to the hot gas stream while moving progressively downward toward the lower end, known as the kiln head.
Precision Calcination and Phase Change: Advanced multi-fuel burners at the kiln head inject natural gas, pulverized coal, or fuel oil to establish a highly stable flame zone. Depending on the specific material requirements, internal calcination temperatures are tightly controlled between 700 and 1100 degrees Celsius. In this environment, the residue undergoes thermal decomposition, crystal water removal, organic oxidation, or sintering, completely recrystallizing and upgrading the material matrix.
Slag Discharge and Cooling: The fully calcined and modified residue is discharged from the kiln head into a rotary or vertical cooler. Rapid or controlled cooling preserves the desired mineral phases, preparing the calcined product for immediate downstream packing, grinding, or chemical processing.
Product Features
Exceptional Temperature Uniformity for Precise Product Quality: Calcination requires a highly narrow and predictable temperature window to prevent under-firing or over-sintering. This kiln features advanced internal thermal zoning and automated burner management that delivers precise temperature control along the entire length of the kiln bed.
Specially Configured Internal Lifters and Chains: Industrial residues frequently present handling challenges, such as stickiness or high dust generation. The kiln interior can be customized with specialized heat-resistant lifting flights, shuffling plates, or chain systems that mechanically agitate the material, prevent ring formation, and maximize heat transfer efficiency.
Superior Chemical and Thermal Abrasion Resistance: Industrial residues often release acidic gases or form aggressive compounds at high temperatures. The kiln is lined with high-density, low-porosity refractory bricks (such as high-alumina or mullite bricks) that provide outstanding resistance to chemical attack, mechanical wear, and thermal shock.
High Torque Variable Drive with Total Automation: Due to the high weight density and variable moisture of industrial residues, the kiln is equipped with a high-torque variable frequency drive system and an auxiliary backup drive. Integrated with a state-of-the-art PLC automation network, the system automatically synchronizes kiln speed, material feeding rate, and fuel supply.
Advanced Leakage Prevention and Clean Emissions: To isolate the calcination atmosphere and protect the environment, the kiln head and tail utilize high-efficiency mechanical or scale seals that maintain constant internal negative pressure. This setup eliminates fugitive emissions and works seamlessly with baghouse filters and gas scrubbers to meet strict industrial environmental standards.
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 |
Send Inquiry to This Supplier
You May Also Like
-
Organic Fertilizer Dryer MachineNegotiableMOQ: 1 Set
-
NPK Fertilizer Rotary DryerNegotiableMOQ: 1 Set
-
High Capacity Fertilizer Dryer PlantNegotiableMOQ: 1 Set
-
China Fertilizer Dryer SupplierNegotiableMOQ: 1 Set
-
Mineral Powder Drying Machine SupplierNegotiableMOQ: 1 Set
-
High Efficiency Mineral Dryer PlantNegotiableMOQ: 1 Set
-
Industrial Powder Rotary DryerNegotiableMOQ: 1 Set
-
Bentonite Rotary Drum Dryer by 20TPH to 80TPHNegotiableMOQ: 1 Set
-
Hot Sell Rotary Dryer Henan Staurk MachineryNegotiableMOQ: 1 Set
-
5TPH to 80TPH Bentonite Ore Dryer From ChinaNegotiableMOQ: 1 Set
