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LB Series Asphalt Mixing Plant
LB Series Asphalt Mixing Plant (2).jpg

LB Series Asphalt Mixing Plant

The LB series asphalt mixing equipment adopts a larger mixer structure, compared to the same model on the market, it has advantages of strong equipment overproduction capacity, dosing module adopting a three-point pressure dosing module structure, and is combined with the operating system dosing and drop compensation functions, resulting in high dosing accuracy: Modular structure, negative pressure fully sealed and dust-free design the equipment has the characteristics of convenient installation and transportation, environmental protection and energy conservation, efficient and reliable production, and is widely used in the production of asphalt mixtures in surrounding asphalt pavement engineering, municipal road engineering, and high-grade pavement engineering.

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    product description

    Product Parameters

    Model LB1500 LB2000 LB3000 LB4000 LB5000
    Original rated productivity (t/h) 120 160 240 320 400
    Rated mixing capacity (kg/batch) 1500 2000 3000 4000 5000
    Max Producivity(t/h) 140 180 260 340 440
    Dosing accuracy （static) Aggregate(%) ±0.3 ±0.3 ±0.3 ±0.3 ±0.3
    Powder(%) ±0.2 ±0.2 ±0.2 ±0.2 ±0.2
    Asphalt(%) ±0.2 ±0.2 ±0.2 ±0.2 ±0.2
    Oil&gravel ratio(%) ±0.3 ±0.3 ±0.3 ±0.3 ±0.3
    Installed power (kW) 340 400 621 700 930
    Fuel consumption(heavy oil) kg/t (standard condition) 6 6 6 6 6
    Gas consumption(natural gas) m/T (standard condition) 7 7 7 7 7
    Standard floor space(m³) 30x30 35×35 40x40 50x50 50x50
    Dust removal area(m³) 450 600 900 1250 1500
    Dust discharge concentration(mg/Nm³) <20 <20 <20 <20 <20
    Blackness of emitted flue gas Greenman Levell Greenman Levell Greenman Levell Greenman Levell Greerman Levell
    Noise in control room <70dB <70dB <70dB <70dB <70dB

    Product characteristics

    01

    Module design, less ground area taking, convenient installation.

    02

    Fully sealed negative pressure design, no powder leaking, reasonable power distribution saves energy.

    03

    Efficient thermal system structure, the burner adopts intelligent axial flow ow-pressure atomization form, and the equipment's fuel consumption is 6kg/t (finished material) under rated working conditions.

    04

    The dosing system adopts a pressure type dosing module structure for dosing, with automatic dosing and “flying material” compensation functions, achieving high dosing accuracy.

    05

    Mixer adopts a redundant structure design, which ensures strong mixing, the plant has strong over production capacity under the same plant model.

    description2

    INTRODUCTIOM TO ORIGINALFUNCTIOM MODULES

    LB Series Asphalt Mixing Plant (1)

    Cold material system

    Single silo volume is 15m³, articulated structure gives convenience for transportation.

    Small size material silo adopts inner vibrating structure, with big amplitude, ensuring smooth discharge.

    Belt conveyor feeding adopts frequency converting + door opening extent control , ensuring a stable primary grading.

    Equipped with material lacking alarm device.

    The top of the cold feeding silo is equipped with a grating device to remove large pieces of material.

    LB Series Asphalt Mixing Plant (2)
    LB Series Asphalt Mixing Plant (3)
    0102

    Drying system

    Patented blade technology, the material curtain is more uniform and has better heat absorption effect.

    Material containing blade feeding technology, the discharge temperature is more uniform.

    Large production capacity.Over-production capacity reaches 15%.

    Axial flow low-pressure atomization burner is with dual frequency conversion technology to control the air oil ratio, and the fuel consumption per ton of finished product is 6kg (under standard conditions).

    Directly driven by a direct reduction motor, with strong power and high efficiency.

    LB Series Asphalt Mixing Plant (10)

    Dust collection system

    Adopting primary gravity dust collector and a secondary atmospheric reverse blowing bag dust collector. Emission concentration <20mg/Nm3.

    High-power fan ensures a sufficient air volume, which is controlled by frequency conversion to save energy and reduce noise.

    The flue gas pipeline is equipped with a temperature measurement device and has a high and ow temperature alarm function.

    LB Series Asphalt Mixing Plant (8)

    Dosing system

    Aggregate scale, asphalt scale, and filler scale are all measured using a 3-point compression dosing module.

    The aggregate scale adopts a coarse and fine scale structure with large and small gates, ensuring a dosing accuracy of 0.3%.

    The asphalt scale adopts a frequency conversion pump+secondary dosing method to ensure a dosing accuracy of 0.2%, and the dynamic secondary tracking dosing technology ensures an accuracy of 0.3% for the oil & gravel ratio.

    The filler scale adopts spiral conveying, pneumatic butterfly valve control, and the “fly material” control program is used to ensure dosing accuracy of 0.2%.

    LB Series Asphalt Mixing Plant (9)

    Mixing system

    The mixer has a large capacity and adopts power redundancy design, with sufficient power and strong power.

    Driven by a direct reduction motor it has strong stability.

    Full blade spiral stirring cloud technology, fast mixture cycling speed and strong kneading ability, to achieve the effect of rapid blending.

    The blades and lining plates are made of nickel chromium alloy material, with a service life of no less than100000 batches.

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