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  • Company: Zhengzhou Qingshan Information Technology Co., Ltd
  • Office: intersection of Huanghe Road and Nanyang Road, Jinshui District, Zhengzhou City
  • Factory: Feilong Road, 2km north of Zhengzhou High Speed Railway West Station
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  • Mobile phone: 13721431212, manager Shi
  • Tel: 0371-56630331
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  • Three cylinder dryer

    Author: Zhengzhou Qingshan Information Technology Co., Ltd. date: March 19, 2019 popularity: 10

    Product introduction

    our company calls the three cylinder dryer which has no taper and has a long length. It is also called three return dryer. It is a better choice for drying sand, sand and other materials that are not easy to adhere. As long as the materials that can be naturally dispersed after being pinched and loosened by hand, can be dried by the three cylinder dryer.
     Three cylinder dryer
    The so-called three cylinder dryer is an efficient dryer with three-layer heat insulation effect and circulation self insulation structure, i.e. high-efficiency combined dryer, which adopts the new European energy-saving technology - clamp structure. It is a kind of industrial drying equipment with high utilization rate of heat value up to 85%. The main advantage is that it has better heat preservation effect than the traditional single drum dryer. The three cylinder dryer is composed of inner cylinder, middle cylinder and outer cylinder to form a self insulation circulation structure, with higher working efficiency, more energy saving and environmental protection.
     Process flow of three cylinder dryer
    the special thermal design concept of high-efficiency three cylinder dryer can eliminate heat loss in wind tunnel, increase heat exchange area and evaporation intensity per unit volume, with good energy-saving effect, in line with the international policy of creating an environment-friendly and resource-saving society. It is an environmental protection and energy-saving product to replace the traditional drying equipment. The equipment can be used for drying yellow sand, river sand, quartz sand, slag and steel slag , clay and other raw materials, widely used in building materials, chemical industry, casting and other industries, can be applied to coal, coal, oil, gas, firewood, biomass and other fuels.

    Highlight advantages

    New type, energy saving and environmental protection

    Double nesting can reduce exhaust gas pollution effectively.

    A variety of fuel options, one machine multi-purpose

    Heat sources: coal, coal powder, natural gas, oil, wood biomass particles, etc.

    The moisture content of the feed is high, and the drying is more thorough

    The moisture content of raw material is more than 25%, which can be dried to less than 0.5-1%.

    Small investment, small land occupation and large output

    Less investment, smaller land occupation, larger production capacity and more income.

    working principle

    The materials are first fed to the belt conveyor through the silo and disc feeder, and then transported by the belt conveyor to the quicksand pipe passing through the hot blast stove, and then into the inner layer of the dryer through the quicksand pipe to realize the downstream drying, The material is continuously picked up and scattered under the inner layer sheet to realize heat exchange. The material moves to the other end of the inner layer (discharge end) and enters into the middle layer for reverse return drying. The material is continuously raised in the middle layer, showing a two-step backward and one-step travel mode. In the middle layer, the material not only fully absorbs the heat emitted from the inner layer, but also absorbs the heat of the middle drum, and at the same time extends Drying time, the material to achieve a better drying state. The material can not be discharged into the middle layer of the outer layer by hot air, and the material can not be discharged into the inner layer of the outer layer by the way of hot air moving through the outer layer, and the material can not be discharged into the middle layer of the cylinder body in a fast way, and the material can not be discharged into the middle layer of the cylinder body by moving through the outer layer of the cylinder.
     Working principle diagram of three cylinder dryer

    technical parameter

    Equipment model Dimension M Productivity T / h Initial moisture Final moisture
    Reference power (kw)
    AQS-3 1.7×1.8
    2.4-3.8 ≤15% ≤0.8% four
    AQS-5 2.1×2.2
    4.4-7.0
    ≤15% ≤0.8% 3×2
    AQS-8 2.2×2.4 5.3-8.4 ≤15% ≤0.8% 3×2
    AQS-10 2.5×2.7 7.7-12.2 ≤15% ≤0.8% 5.5×2
    AQS-15 2.5×4.0 11.4-18 ≤15% ≤0.8% 5.5×2
    AQS-20 2.8×4.0 14.2-22.8 ≤15% ≤0.8% 5.5×4
    AQS-25 2.8×6.0 21.3-34 ≤15% ≤0.8% 5.5×4
    AQS-30 3.0×6.0 24.5-39 ≤15% ≤0.8% 7.5×4
    AQS-35 3.0×7.0 28.5-45.7 ≤15% ≤0.8% 7.5×4
    AQS-40 3.2×7.0 32.5-52 ≤15% ≤0.8% 11×4
    AQS-50 3.2×8.0 37-59 ≤15% ≤0.8% 11×4
    AQS-60 3.6×8.0 47-75
    ≤15% ≤0.8% 15×4
    AQS-80 3.6×10 59-94 ≤15% ≤0.8% 18.5×4
    AQS-100 3.6×14 80-128 ≤15% ≤0.8% 22×4

    notes The three cylinder dryer can be customized according to the material conditions. The above technical parameters are for reference only, and are subject to change without notice.

    Product features

    1. The equipment investment is 20% of the imported products. It is made of wear-resistant manganese plate, which is 3-4 times more wear-resistant than ordinary steel plate;
    2. The initial moisture content of the material is 25%, and the final moisture content is less than 0.5-1%. It is the selected product for various drying projects such as slag powder, dry powder mortar production line of cement plant;
    3. Compared with the traditional single drum dryer, the efficiency is increased by more than 40%;
    4. The fuel can be used for white coal, bituminous coal, coal gangue, oil, steam, firewood, biomass, etc., and can be used for drying block material, granular material and powder material below 20-40mm;
    5. Compared with the single drum dryer, the floor area is reduced by about 60%, the civil engineering investment is reduced by about 60%, and the installation is convenient;
    6. There is no air leakage, and the sealing difficulty is completely solved;
    7. When the discharge temperature is less than or equal to 60 ℃, it can be directly fed into the silo without entering the cooling shed for cooling;
    8. The temperature of outer cylinder is less than 60 ℃, the temperature of waste gas is less than 120 ℃, and the use time of dust removal equipment bag is more than 2 times longer;
    9. The coal consumption is 1 / 3 of that of single drum dryer, which can save 40% electricity, and the coal consumption per ton is less than 10 kg;
    Product classic model: 10 tons, 15 tons, 20 tons, 30 tons, 50 tons of equipment.

    Delivery site

     Delivery of 2.8 × 6m three cylinder dryer  Delivery of 2.5 × 6m three cylinder dryer  Delivery of 3 × 7m three cylinder dryer

    Engineering cases

    •  Slag drying production line

      Slag mixture drying production line

      major equipment : silo, feeder, coal grinding system, combustion system, 2.5 × 6m three cylinder dryer, induced draft dust removal system, belt conveyor, etc;

      Initial moisture : below 8mm, moisture ≤ 15%
      Final moisture :≤5%
      yield :20-30t/h

    •  Drying production line of washing machine-made sand

      Drying production line of washing machine-made sand

      major equipment : silo, disc feeder, burner, combustion furnace, 2.8 × 6m three cylinder dryer, pulse dust removal system, belt conveyor and other equipment;

      Initial moisture : below 5mm, moisture ≤ 18%
      Final moisture :≤0.5-1%
      yield :25-30t/h

    Applied material

    • Yellow sand
    • slag
    • slag
    • Manufactured sand
    • Quartz sand
    • Slime

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