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Jiangsu Pengfei Group Co.,Ltd.

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600 Tons/Day Rotary Kiln Clinker Cement Production Line (200,000 t/y)

600 Tons/Day Rotary Kiln Clinker Cement Production Line (200,000 t/y)

This 600 t/d cement production line is designed for producing Portland cement (also named silicate cement according to production standards of PRC). The clinker rotary kiln in this cement equipment features a 5-cyclone preheater. Annual output of this cement production line is about 200,000 t.
A computer batching system automatically controls the raw material preparation to ensure qualified raw material controlling rate.
The homogenization coefficient reaches 3-6.
This cement production line is eco-friendly. Waste gases from the production process are all purified by dust collectors. Fine dust from the waste gas treatment process are collected for use.
Production Process of the Cement Production Line
1. Raw material and fuel storage.
a. Dump truck fetches limestone form mines and conveys it into storage yard. The limestone is then crushed by hammer crusher and conveyed into 2-φ10m×24m warehouse via discharge hopper, belt conveyor, elevator and belt conveyor mounted on the warehouse roof.
b. Sandstone is conveyed by automobile into the 18 m× 20 m shed in the cement production line to get dried and crushed. The crushed material is then transported into 20×25×15 m pre-homogenization shed via belt conveyor and S-Model dumper. Crushed sandstone passed though the T shaped corridor and forms a V shaped stack. Loader fetches the sandstone material and put it onto belt conveyor. Elevator then sends the sandstone into φ6 m × 14 m sandstone round warehouse.
c. Dump truck transports iron ore into 18 m × 20 m shed. The iron ore is then sent into 1-φ6m×14m iron powder warehouse of the cement production line.
d. Clay is brought into the 18 m×20 m shed by dump car, dried by the φ2.2m×16m dryer, and then it is sent into the φ6m×14m round storehouse to be stored.
e. Raw coal is conveyed into 18 m×40 m raw coal storage shed by dump truck.
f. Dump truck transports plaster into 15 m×30 m plaster yard. After being crushed, the plaster is sent into 1-φ6m×14m plaster storehouse.
2. Raw material preparation and homogenization. Raw material for this cement production line is made of limestone, sandstone, iron ore and clay. These four materials are mixed in proportion at the bottom of batching station and are sent into closed-circuit grinding mill. Raw material comes out of mill and is selected by powder separator by chain conveyor and elevator. Qualified raw material is conveyed into 4-φ8×18 m raw meal homogenizing silo. Coarse powder is send back to grinding mill by chain conveyor.
Waste gas is treated by separator and two electric dust collectors and then discharged into the air. Collected fine powders are sent into homogenizing silo via chain conveyor and elevator.
3. Coal powder preparation. Raw coal is sent into the mill by rotary feeder. A φ2.2m×5.8m air swept steel ball mill is used in coal powder preparation. Coal powder comes out of mill and is separated by coarse powder separator. Coarse powder is sent back into mill. Fine powder is sent into cyclone separator. Qualified coal powder is conveyed into coal powder silo. Waste gas is treated by bag dust collector then is discharged into air. The coal power collected by the bag dust collector is sent into the coal-power bin kiln head. Hot blast furnace supplies heat source to coal mill.
4. Clinker calcination. Raw material is sent into the raw material bin on the kiln tail by pneumatic conveyor. The raw material is then measured and is sent into preheater. It is preheated by first; second, third, forth, fifth stage cyclones successively. The preheated material enters rotary kiln to be calcined.
Coal power is measured and then injected into the kiln by three-channel coal-injection nozzle. High-pressure centrifugal blower supplies clean air to the nozzle. Coal wind is supplied by ROOTS blower.
5. Waste gas treatment. Waste gas comes out of cyclone tube and is treated by φ4.8 m×28 m conditioning tower. It is then blown into the 75 m² horizontal type electric dust collector. Purified waste gas is discharged into air. Collected kiln dust is sent into raw material homogenization silo.
6. Clinker cooling and storage. Clinker is sent into single-barrel cooler to be cooled. The clinker is then conveyed into 2-φ10 m × 24 m clinker storage via bucket chain conveyor, crusher and elevator.
7. Clinker grinding and finished product storage. Clinker and plaster are discharged out of storehouses respectively. They are measured by belt scale and are then conveyed into the high-yield high-fineness cement ball mil. The finished cement is then transported into the round 4-φ10 m × 24 m cement silo for storage.
Waste gas is blown into air after being purified by bag dust collector. The collected fine power is conveyed into cement silo via chain conveyor and elevator.
8. Cement packaging and finished product storage. Cement is sent into packaging system by chain conveyor and elevator. The cement is sifted by rotary screen and then is fed into two fixed double-mouth packaging machine. Bagged cement is conveyed into finished cement storehouse by belt conveyor. These bags are stacked by manpower. This 18 m × 40 m finished product storeroom has a capacity of 1200t.
A bag dust collector is installed in the packaging system. Waste gas is purified before being discharged into air.

Parameter of Main Equipment of 600 t/d Cement Production line

Equipment Name Dimension and Model Production Capacity (t/h) Note
Single Stage Hammer Crusher PCD1612 100-140 Feeding particle size: <300 mm, Discharging particle size: <25 mm; Annual crushing capacity: 240732.76 t; Daily crushing capacity: 732.82 t; 8 working hours per day; Annual utilization rate: 30.00%.
Raw Material Dryer φ2.2×16 m 9 Needs 16447.60 t dry clay material annually, 50.07 t a day;
Closed Circuit Ball Mill φ2.6×10 m 45-55 Needs 299592 t raw material daily; 22 working hours a day; Annual utilization rate: 82.5%.
Air Swept Steel Ball Coal Mill φ2.2×5.8 m 5.5-7.6 Needs 33507 t dry coal annually, 102 t a day; 22 working hours a day; Annual utilization rate: 82.5%
Rotary Kiln φ3.3×52 m 25 Annual output: 197100 t; Daily production capacity: 600 t/d; 24 working hours a day; Annual utilization rate: 92%
Single Tube Coolers φ3.2×36 m 28  
High-Fineness Cement Ball Mill φ2.6×13 m 27-35 Needs 201204.97 t cement a year, 612.50 t a day; 22 working hours a day; Annual utilization rate: 82.5%
Fixed Packaging Machine 8808 30 Needs 201204.97 t cement a year, 612.50 t a day; 11 working hours a day; Annual utilization rate: 41.25%
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