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1. Introduction
The 2000 TPD (Tons Per Day) Rotary Kiln for Cement Clinker Production is a massive, state-of-the-art pyro-processing system engineered for the large-scale manufacturing of high-strength portland cement clinker. With a robust daily capacity of 2000 tons, this system serves as the core technological engine for mid-to-large-sized modern cement plants. Its primary function is to subject a finely ground, homogenized raw meal (composed of limestone, clay, iron ore, and other corrective materials) to intense thermal treatment, triggering complex thermochemical reactions and partial melting to synthesize premium-grade clinker crystals—the foundational binder for the global construction industry.
2. Working Principle
The production of cement clinker inside the rotary kiln is a continuous, high-temperature thermal process based on a highly optimized counter-current heat design, usually integrated with a modern multi-stage preheater and precalciner tower. The system operates through the following sequential stages:
Preheating and Precalcination: Before entering the kiln, the raw meal is fed into a vertical preheater tower where it is suspended in hot exhaust gases. It then enters a precalciner, where up to $90\%$ of the limestone's carbon dioxide ($CO_2$) is driven off (decarbonization) at around $850^\circ\text{C}$ to $900^\circ\text{C}$ before ever touching the kiln.
Material Feeding into Kiln: The highly calcined raw meal is continuously and uniformly discharged from the preheater tower into the kiln tail (the elevated end of the large, slightly inclined rotating cylinder).
High-Temperature Clinkering (Sintering): As the kiln rotates slowly, the material moves downward toward the kiln head. It passes through a transitional heating zone into the primary burning zone, where a massive At this extreme heat, partial melting occurs, fusing calcium oxides and silicates into the vital clinker minerals (mainly Alite and Belite).
Cooling & Product Discharge: The red-hot, nodular cement clinker drops from the kiln head into a high-efficiency grate cooler. Intense ambient air streams rapidly quench the clinker to lock in its optimal crystalline structure, while the heated air is reclaimed and fed back into the kiln and calciner as highly energized secondary and tertiary combustion air.
3. Advantages
High-Efficiency Industrial Scale: The 2000 TPD baseline is engineered for continuous, heavy-duty 24/7 operation. It provides an optimized economy of scale for regional cement producers, delivering large-volume, stable clinker yields to easily satisfy demanding downstream cement grinding and supply contracts.
Flawless Mineral Phase and Quality Control: Advanced automation, computerized thermal imaging, and precise fuel-air adjustments maintain a completely stable burning zone. This prevents under-burned free lime fractions and over-melted glassy blocks, ensuring a highly consistent clinker with excellent grindability and predictable, superior compressive strength in the final cement.
Advanced Multi-Fuel and Alternative Fuel Flexibility: Equipped with a state-of-the-art, low-$NO_x$ multi-channel burner, the system can seamlessly burn pulverized coal, natural gas, heavy fuel oil, or alternative waste-derived fuels (such as shredded tires or biomass). This allows operators to easily minimize fuel costs based on market availability.
World-Class Thermal Integration & Low Energy Consumption: By tightly pairing the rotary kiln with a multi-stage suspension preheater and recycling the high-temperature cooling air from the grate cooler, the system achieves remarkable thermal efficiency. This significantly lowers the specific heat consumption per kilogram of clinker produced.
Extreme Mechanical Durability and Environmental Compliance: Built to withstand fierce thermal stress and heavy loads, the kiln features a thickened high-tensile steel shell, heavy-duty forged steel riding rings, and dual-drive redundancy. It is bound with robust, multi-layer mechanical seals and large-scale baghouses or electrostatic precipitators (ESP), guaranteeing dust-free operation and strict adherence to global industrial emission 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 |
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