| Customization: | Available |
|---|---|
| Application: | Construction |
| Certification: | CE, ISO |
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Design Basis
1. Codes & standards
Chinese standards (GB Code) will be adopted for mechanical operation / process, electrical practice & automation, civil design and environmental protection, etc. Manufacturing & fabrication codes & standards for mechanical and electrical equipment: Chinese standards (GB Code).
2. Equipment
Mainly consists of cyclone preheater, precalciner, rotary kiln and grate cooler.
3. Production Capacity
Our cement clinker production line enjoys production capacity of 2000t/d clinker.
4. Raw material
Qualified limestone, clay and iron oxide are used as raw materials for raw meal preparation. Gypsum is utilized as retarder in cement.
5. Fuel
It depends on different countries.
6. Cement standards & type
42.5 90%;
32.5 5%;
52.5 5%.
7. Cement dispatch
The cement will be packed in big bags (1t) or small bags (50kg)
|
No. |
Department |
Technical Performance |
Capacity (t/h) |
Qty |
Annual Run Rate (%) |
| 1 | Limestone Crushing | Heavy duty plate feeder Size: B2000 × 9018mm Grain size: ≤1000mm Power: 45kW (V·F) |
150-600 |
1 |
21 |
| Single-stage hammer crusher Size: PPC-2018 Product size: ≤65mm (90%) Power: 710 kW |
450 |
1 |
21 |
||
| 2 | Limestone pre-blending storage | Side cantilever stacker UBD500/18 Angle of repose: 38° Capacity: 500t/h scraper reclaimer UCQ300/26 Capacity: 300 t/h Power: ~125kW |
500
300 |
1
1 |
19
32 |
| 3 | Clay crushing | Clay crusher Type: 2PGCφ600 × 900 Maximum size: <400mm Discharge size (residue10%): ≤50mm Material moisture: ≤20% Power: 2 × 37kW |
80 |
1 |
20 |
| 4 | Raw mill | Vertical mill Size: 3400 Feed moisture: ≤10% Feed grain size: ≤75mm Discharge moisture: ≤1% Discharge fineness: ≤14% (0.09mm residue) Motor power: 1600kW |
160 |
1 |
70 |
| Separator Motor power: 90kW |
1 |
70 |
|||
| Circulating fan capacity: 380000m3/h Pressure: 10000Pa Motor power: 1600kW |
1 |
70 |
|||
| 5 | Kiln inlet | High temperature fan Capacity: 420000m3/h Pressure: 7500Pa Motor power: 1400kW |
83.3 |
1 |
85.00 |
| Water spray system 8000 × 30000 Volume: 420000m3/h Inlet air temp: 350°C (max. 450°C) Outlet air temp : <150°C Water-spraying volume: 2.0~20m3/h |
1 |
85.00 |
|||
| Bag filter Capacity: 420,000m3/h Outlet density: ≤20mg/Nm3 |
1 |
85.00 |
|||
| Blower for waste gas Capacity: 420,000m3/h Pressure: 4,000Pa Motor power: 800kW |
1 |
85.00 |
|||
| 5 cyclone preheater & precalciner system: RF5/2000 C1: 2-Φ4,600mm C2: 1-Φ6,500mm C3: 1-Φ6,500mm C4: 1-Φ6,800mm C5:1-Φ6,800mm Calciner: Φ5,050 × 31,000mm Capacity: 2,000 t/d |
1 |
85.00 |
|||
| 6 | Kiln | Rotary kiln Type: Φ3.8 × 56m Grade: 3.5% Rev: 0.39-4.10r/min Motor power: 280kW (DC) |
83.3 |
1 |
85.00 |
| 7 | Clinker Cooling | Third generation air-beam grate cooler Type: LBT2200 Grate effective area: 63m2 Discharge temperature: ambient temp. + 65°C Capacity: 2200 t/d |
83.3 |
1 |
85.00 |
| 8 | Kiln outlet waste gas treatment | Heat exchanger Processing volume: 320000m3/h Inlet temperature: 250°C (max. 450°C) Outlet temperature: 130°C (max. 180°C) |
1 |
85.00 |
|
| Bag filter Capacity: 320000m3/h Outlet density: ≤20mg/Nm3 |
1 |
85.00 |
|||
| Blower for waste gas Capacity: 320000m3/h Pressure: 4000Pa Motor power: 560kW |
1 |
85.00 |
|||
| 9 | Cement Grinding | Cement mill Type: Ф3.8 × 13m Feed grain size: ≤25mm Product fineness: Specific area: 3,400cm2/g Motor power: 2,500kW |
70~75 |
2 |
55.00 |
| Separator N2000 type O-sepa Most feeding capacity: 300t/h Product output: 60~100t/h |
2 |
55.00 |
|||
| Bag filter Capacity: 120,000m3/h Outlet density: ≤30mg/Nm3 |
2 |
55.00 |
|||
| Fan for waste gas Capacity: 12,000m3/h Pressure: 8,000Pa |
2 |
55.00 |
|||
| 10 | Gypsum crushing | Jaw crusher Type: PEX250 × 1000 Maximum grain size: <210mm Discharge grain size: ≤25mm Motor power: 37kW |
20 |
1 |
20 |
| 11 | Cement dispatch | Eight-mouth rotary packing machine Weighing precision: +0.5kg -0.2kg |
100 |
1 |
|
| Big bag packing machine Model: DB-1 |
30 |
2 |
|
||
| Bulk packing machine |
100 |
2 |
|
||
| 12 | Air compressing station | Screw compressor Discharge capacity: 23m3/min Discharge pressure: 0.8MPa Motor power: 132kW |
|
5 |
85.00 |
| 1 | Limestone crushing system |
| 1.1 | Performance guarantee |
| Under normal operation conditions, the average output of crusher: ≥ 450t/h | |
| 1.2 | Prerequisite to guarantee |
| The performance guarantee shall be based on the following conditions: 1) Bond index for limestone: 10~13kWh/t 2) Limestone feed size: ≤1000 × 800 × 800mm, natural gradation 3) Moisture: ≤2% |
|
| 2 | Limestone pre-blending stockpile |
| 2.1 | Performance guarantee |
| Standard deviation of SCaO from the pre-blending stockpile: ≤1.2% | |
| 2.2 | Prerequisite to guarantee |
| The performance guarantee shall be based on the following conditions: 1. CaO shall be analyzed at least one time every two hours 2. Continuous and stable feeding of stacker shall be ensured |
|
| 3 | Raw material grinding |
| 3.1 | Performance guarantee |
| Average raw material production: ≥160t/h Average raw meal fineness: ≤14% (residue on 90μm square mesh sieve) Average raw material moisture: ≤0.5% Power consumption for each ton of raw meal: 18kWh/t Equipment: main drive of roller mill, mill separator, mill fan |
|
| 3.2 | Prerequisite to guarantee |
| The raw meal shall be made of limestone, mixture, iron oxide and clay Limestone particle size: ≤65mm (90%) Limestone-grindability index: medium Mixed raw material moisture: ≤6% |
|
| 4 | Kiln feeding |
| 4.1 | Performance requirements |
| Standard deviation of kiln-feeding SCaO: ≤0.25% | |
| 4.2 | Performance guarantee |
| 1) The CaO, SiO2 and Fe2O3 shall be analyzed at least one time every hour 2) At least 70% of homogenizing silo shall be occupied 3) Moisture of raw meal in the homogenizing silo: ≤1% 4) The chemical compositions of the kiln feed shall be analyzed with fluorescence analyzer |
|
| 5 | Clinker calcination |
| 5.1 | Performance guarantee |
| 1) Clinker output: ≥2000t/d 2) Specific heat consumption of clinker: ≤ 780kCal/kg Temperature at cyclones outlet: ≤ 350±10°C 3) Average free CaO in clinker: ≤ 1.2 % 4) The average temperature of clinker from the cooler: ambient temperature + 65°C |
|
| 5.2 | Prerequisite to guarantee |
| The performance guarantee shall be based on the following conditions: 1) Natural gas calorific value: ≥8500kcal/ Nm3 2) Lime saturation factor of clinker: KH=0.90±0.01 3) Silica modulus: SM=2.6±0.10 4) Alumina modulus: IM=1.6±0.1 5) The modulus can be adjusted to suit for the actual raw material |
|
| 6 | Dedusting |
| 6.1 | Performance guarantee |
| 1) For kiln inlet/outlet bag filter: dust content of emitted gas: ≤20mg/Nm3 2) For other bag filters: ≤30mg/Nm3 |
|
| 6.2 | Prerequisite to guarantee |
| The measuring of dust content in emitted gas must be made on the basis of normal production of every section, normal equipment performance and operation. | |
| 7 | Cement grinding |
| 7.1 | Performance guarantee (of each cement mill) |
| Average production: ≥ 2 × 75t/h Average fineness: ≤3200 Blaine Power consumption per ton of cement: 36kWh/t (max.) Equipment: main drive of mill, mill separator and mill fan |
|
| 7.2 | Prerequisite to guarantee |
| 1) The cement mixture should be proportioned with clinker (95%), gypsum (5%). Percentages are on dry basis 2) Additive particle size: ≤ 25mm (90%) 3) Additive moisture: ≤0.5% |
|
| 8 | Power consumption |
| 8.1 | Performance guarantee |
| Specific power consumption from raw material crushing to cement dispatch: ≤100kWh/t. | |
| 8.2 | Prerequisite to guarantee |
| Equipment operates at normal capacity |
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