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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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