Cement Production Line

Capacity: 50 t/d - 3000 t/d

 

Type: Dry / Wet Process Cement Plant

 

Main Material: Limestone, Clay, Gypsum, Fly Ash, Slag

 

Main Equipment: Ball Mill, Vertical Roller Mill, Rotary Kiln, Vertical Kiln

Whatsapp: +86 18037866379
Send e-mail: mic@zkcorp.com
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E-mail:  mic@zkcorp.com

Whatsapp:+86 15237956296

Introduction

We provide the full range service including design, manufacturing, installation for new type dry method cement production line with capacity from 50t/d to 3000t/d.

Process of Cement Production Plant:

1. Raw Materials

The main raw materials used in the cement manufacturing process are limestone, sand, shale, clay, and iron ore. The main material limestone is usually mined on site while the other minor materials may be mined either on site or in nearby quarries. Another source of raw materials is industrial by-products.

2. Raw Material Preparation
Mining of limestone requires the use of drilling and blasting techniques. Blasting produces materials in a wide range of sizes from approximately 1.5 meters in diameter to small particles less than a few millimeters in diameter.
Material is loaded at the blasting face into trucks for transportation to the crushing plant. Through a series of crushers and screening, the limestone is reduced to a size less than 100 mm.
Depending on size, the minor materials (sand, shale, clay, and iron ore) may or may not be crushed before being stored in separate areas.

3. Crushing and Pre-homogenization
Most of the raw materials must be first crushed before being used to make cement. These raw materials include limestone, clay, iron ore, coal and etc. Limestone is the largest amount of raw materials to make cement. According to the raw materials' different particles and hardness, there are many crushers used in crushing these raw materials, such as jaw crusher, impact crusher, cone crusher and vertical shaft impact crusher and etc.

4. Raw Material Homogenization
In the process of new dry cement production, the stability of pit entry clinker raw material component is the premise of the whole system. Raw material homogenization system plays very important role in the stability of pit entry clinker raw material component.

5. Preheater and Calciner
Raw material preheating and decomposition is completed by preheater, which can improve the kiln system productivity and reduce heat consumption of clinker Purposes.

6. Cement Clinker Burning
Raw material is carried out into the rotary kiln clinker for completion after preheating in the preheater and pre-decomposition.
7. Cement Clinker Grinding
Cement Grinding is the last process of cement production line, also the most power consuming process. Its main function is to grind the cement clinker (and gelling agent, performance tuning materials, etc.) into the appropriate size and a certain particle size distribution, which is for increasing the size of its hydration, accelerating the hydration rate and meeting the coagulation, hardening requirements.
8. Cement Packaging.
We adopts advanced technology and equipment to improve the efficiency, technical level, advanced design, ensure the economical investment for the cement production line.

Features

1.High Efficiency
Cement production line adopts advanced technology and equipment to raise technical level and to ensure design indexes. New five-stage cyclone pre-heater system, high efficiency air girder grate cooler, multi-passage pulverized coal burner, Davison heat temperature fan, jet pulse dust collector, as well as chain-board elevator, chain conveyor adopted in this production line can ensure that the technology is advanced compared to other production lines with the same scale.

2.Saving Energy
Measures have been taken to save energy and reduce consumption. using chain-board elevator and air slides, reliability of the system is enhanced and conveying energy consumption is decreased.

3.Environmental protection
Effective measures have been taken to guarantee strict environment protection standards. Different efficient dust collectors are set at all dust producing points according to different characteristics of waste gas.

4.High degree of automation   
There is no manual operation in the process of mill running, which realizes the automatic control with long-term, stable, effective, makes milling process more stable, realizes fine work of production.

Parameter

Dry process cement production line  (25-200t/d) Configuration

Clinker Capacity 25t/d 50 t/d 100 t/d 150 t/d 200 t/d
Rotary kiln  Specification Φ1.4×33m Φ1.6/1.9×36m Φ2.2×45m Φ2.5×50m Φ3×60m
Capacity 1t/h 2t/h 4t/h 6t/h 8t/h
Calcination   1450 1450 1450 1450 1450
Temperature  (℃)
Raw mill Specification Φ1.2×4.5m  Φ1.5×5.7m   Φ1.83×6.1m  Φ1.83×6.1m  Φ2.2×6.5m
Open circuit Open circuit Open circuit Closed circuit  Closed circuit
Capacity 1.7t/h 4.5t/h 9t/h 12t/h 16t/h
Motor power 55kW 130kW 210kW 210kW 310kW
Cement mill Specification Φ1.2×4.5m  Φ1.5×5.7 Φ1.83×6.1m     Φ1.83×6.1m    Φ2.2×6.5m
Open circuit Open circuit Open circuit Closed circuit Closed circuit
Capacity 1.4t/h 3.5t/h  6.5t/h 8t/h 12t/h
Motor power  55kW 130kW 210kW 210kW 310kW

 

New dry process cement production line (300-1500t/d) configuration

Clinker Capacity 300t/d 700 t/d 1000 t/d 1500 t/d
Pre-heater C1 2-Φ2500 Φ3500 Φ4800 2-Φ4000
C2 Φ3600 Φ4800 Φ4800 Φ5800
C3 Φ3600 2-Φ3700 Φ5200 Φ5800
C4 Φ3600 Φ4800 Φ5200 Φ6200
C5 Φ3600 Φ4800 Φ5200 Φ6200
Pre-calciner Specification Φ2200 Φ2800 Φ4800 Φ5200
Rotary kiln Specification Φ2.8×44m Φ3×48m Φ3.2×50m  Φ3.5×54m
Capacity 12.5t/h 30t/h 42t/h 63t/h
Calcination temperature(℃) 1450 1450 1450 1450
Raw mill Specification Vertical roller mill   Dry mill Dry mill  HRM2800
Φ1700   Φ3.2×7+1.8m Φ3.5×10m Vertical roller mill
Capacity 30t/h 50t/h 85t/h 130~160t/h
Motor power 400kW 1000kW 1250kW 1250kW
Cement mill Specification Φ2.4×13m Φ3×11m Φ3.2×11m Φ4.2×13.5m
Open circuit      Closed circuit Closed circuit Closed circuit
Capacity 22t/h 42t/h 64t/h 95t/h
Motor power 800kW 1250kW 1400kW 3550kW

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Henan Zhengzhou Mining Machinery Co., Ltd.
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