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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 (℃)	1450	1450	1450	1450	1450
Raw mill	Specification	Φ1.2×4.5m	Φ1.5×5.7m	Φ1.83×6.1m	Φ1.83×6.1m	Φ2.2×6.5m
	Specification	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
	Specification	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
	Specification	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
	Specification	Open circuit	Closed circuit	Closed circuit	Closed circuit
	Capacity	22t/h	42t/h	64t/h	95t/h
	Motor power	800kW	1250kW	1400kW	3550kW

Cement Production Line

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