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    Jiangsu Pengfei Group Co.,Ltd.

    Add: Benjia Ji, Northern Suburb of Hai'an County, Nantong City, Jiangsu Province, China
    Post Code: 226623
    Tel: +86-513-88755311
    +86-513-88755027
    Fax: +86-513-88755315
    E-mail: wja@pengfei.com.cn

    5000 Tons/Day New Type Dry Process Cement Production Line

    Description
    Pengfei 5000t/d dry process cement production line is excellent in saving energy. It adopts various high efficient cement equipment and devices. It is designed with a smooth and tight process flow.e try to reduce production process and save transport cost. High-accuracy measuring equipment is adopted to reduce raw fuel waste and product loss. This cement production line is eco-friendly.

    Methods and Techniques in Saving Energy
    1. We choose energy efficient cement equipment to save electricity cost. For example, we save about 2.5 to 3 kWh/t electricity per unit by using the bucket elevator to transport raw materials.
    2. A stable dust collector is installed at every source of dust in the cement production line. It not only reduces air pollution and saves production cost.
    3. Raw material grinding process adopts a vertical grinding system. It could save electricity by 5 to 7 kWh/t per unit raw material compared with traditional middle-discharging system and air swept system.
    4. We use circulating water to cool cement equipment. The indirect utilization rate is about 95%.
    5. Our company also makes efforts to reduce heat loss from pipes and device surface. We adopt energy efficient motors and electrical fans in the cement production line.
    6. Pengfei adopts belt bucket elevator to feed materials into kiln tail. It reduces inlet cold air volume by 7000 m3/h compared with traditional airlift pumps. It helps increase the thermal efficiency of preheater.
    7. We install VVVF electrical control devices on fans and pumps to reduce power consumption of this cement equipment. We also choose energy efficient transformers contactors and lamps.

    Main Process Flow
    1. Limestone Crushing and Raw Material Grinding.
    In this 5000t/d dry process cement production line, Single-stage hammer crusher is used to crush limestone. It makes this process quite simple.
    2. Raw Material Preheating.
    The five-stage cyclone pre-heater has a low-pressure-loss technical design. It features large volute and short cylinder. Deflectors and rectifiers are also installed in this cement equipment to reduce systemic resistance. Compared with traditional preheaters, it reduces power consumption by 15-20%.
    3. Burning and Clinker Cooling.
    In this dry process cement production line, we use grate cooler to cool clinker. Compared with the second generation grate cooler, it reduces necessary air volume and extra waste gas volume reduced by 0.6-0.8Nm3/kg-cl. Electricity consumptions of cooling fan and waste gas exhaust fan can be therefore reduced by over 20%.
    4. Coal Dust Preparation.
    This cement equipment adopts vertical mill for coal dust preparation. It could save energy by about 11.0 kWh/t per unit compared with the traditional cement process low of air swept ball mill, dynamic coarse powder separator and high concentration air tank pulse bag dust collector.

    Main Equipment of Cement Production Line

    Department
    Equipment
    Type
    Specification
    Limestone Crushing
    Hammer Crusher
    TKLPC20.22A
    Feeding Size: <1100 mm; Discharging Size: <75 mm;
    Capacity: 700 t/H
    Siltstone Crushing
    Jaw Crusher
    PE-900×1200
    Feeding Size: <750 mm; Discharging Size: <150 mm;
    Capacity: 200 t/H
    Cone Crusher
    PYS-1215
    Feeding Size: <150 mm; Discharging Size: <30mm;
    Capacity: 200 t/H
    Limestone Prehomogenization Yard
    Cantilever Stacker
     
     
    Stack Capacity: 1400 t/H
    Bridge Type Scraper Reclaimer
     
    Reclaimering Capacity: 500 t/H
    Siltstone Prehomogenization Yard
    Mobile Stacker
     
    Stack Capacity: 200 t/H
    Chain Plate-Type Reclaimer
     
    Reclaimering Capacity: 110-130 t/H
    Raw Coal Prehomogenization Yard
    Travelling Stacker
     
    Stack Capacity: 200 t/H
    Bridge Type Scraper Reclaimer
     
    Reclaimering Capacity:100 t/H
    Raw Meal Grinding And Waste Gas Treatment
    Vertical Mill
    MLS453
    Capacity: 360-400 t/H; Feeding Moisture: <6%; Output Moisture: <0.5%; Feeding Size: <100 mm;
    Output Size: R80ΜM <12%
    Raw Meal Mill Fan
     
    Air Volume: 860000 m³/H;
    Full Pressure: 9500 Pa
    Kiln Inlet High Temperature Fan
     
    Air Volume: 860000 m³/H;
    Full Pressure: 7500 Pa
    High Concentration Electrostatic Precipitator
    BS930
    Electric Field Sectional Area: 310m2;
    Air Volume: 820000 m³/H;
    Outlet Dust Content (Standard): ≤50mg/m3
    Coal Powder Preparation
    Vertical Mill
    MPF2116
    Capacity: 38-45 t/H; Feeding Moisture: <12%; Output Moisture: <1%; Feeding Size: <25 mm; Output Size: R80ΜM<12%
    Firing System
    Rotary Kiln
    Φ4.8×74 m
    Inclination: 4%; Support No.: 3; Speed: 0.6-4.0 r/Min;
    Installed Power: 630kw; Capacity:  5000 t/D
    Preheater And Calciner
    Five Stage Double Series
     
    C1:4—Φ5.0m; C2:2—Φ6.9m; C3:2—Φ6.9m;  C4:2—Φ7.2m; C5:2—Φ7.2m; Calciner: Φ7.2×30.0 m; Capacity: 5000 t/D
    Control Flow Grate Cooler
    LBT36352
    Grate Bed Area: 119.6 M²; Feeding Temperature: 1400℃;
    Discharging Temperature: 65℃+ Ambient Temperature
    Kiln Outlet Electrostatic Precipitator
     
    Air Flow: 550000 m³/H; Electric Field Sectional Area: 196 m²;
    Inlet Dust Content: ≤30 G/M³; Outlet Dust Content:≤50mg/Nm³
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