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LB Series Asphalt Mixing Plant - China Suppliers & Factory for High-Quality Asphalt Mixtures Production
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LB Series Asphalt Mixing Plant (2).jpg

LB Series Asphalt Mixing Plant - China Suppliers & Factory for High-Quality Asphalt Mixtures Production

The LB series asphalt mixing equipment from China stands out in the market with its larger mixer design, offering superior overproduction capacity compared to similar models. This advanced machine features a three-point pressure dosing module, integrated with an operating system that ensures precise dosing accuracy through drop compensation functions. Its modular structure, combined with a negative pressure fully sealed and dust-free design, allows for easy installation and transportation, making it an ideal choice for environmental protection and energy conservation. As reliable and efficient production equipment, it is widely adopted by suppliers for various applications, including municipal road engineering, high-grade pavement engineering, and surrounding asphalt pavement projects. Discover the advantages of sourcing your asphalt mixing equipment directly from a trusted factory in China
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    Product Details

    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 Productivity (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) m³/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 Level I Greenman Level I Greenman Level I Greenman Level I Greenman Level I
    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 low-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.

    Frequently Asked Questions (FAQ)

    What are the available models and their production capacities?
    The available models include LB1500 (120-140 t/h), LB2000 (160-180 t/h), LB3000 (240-260 t/h), LB4000 (320-340 t/h), and LB5000 (400-440 t/h).
    What is the fuel and gas consumption under standard conditions?
    Under standard working conditions, the fuel consumption (heavy oil) is 6 kg/t (finished material) and the gas consumption (natural gas) is 7 m³/t.
    How accurate is the dosing system of the equipment?
    The dosing system adopts a pressure type dosing module structure with static dosing accuracy of ±0.3% for aggregate, ±0.2% for powder, ±0.2% for asphalt, and ±0.3% for the oil & gravel ratio.
    What environmental standards does the plant meet?
    The plant features a dust discharge concentration of <20 mg/Nm³, has a flue gas blackness rating of Greenman Level I, and maintains control room noise levels under 70dB.
    How does the mixer design ensure high efficiency?
    The mixer features a redundant structure design that ensures powerful mixing, providing the plant with robust over-production capacity under the same model parameters.

    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.

    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 (4)

    Burner

    The burner has a wide adjustment range and can adaptto various complex working conditions.

    Three stage atomizing technology, fuel is atomized into micrometer level, with fully combustion.

    High power pre heating device,stable fuel temperature.

    Remote fault diagnosis function,timely service, and ensures production reliability.

    Intelligent axial flow low-pressure atomization burner adopts dual frequency conversion adjustment technology with automatically adjustable air and oil distribution, ensuring a reasonable air oil ratio and sufficient combustion. The fuel consumption under rated working conditions is only 6kg/t (finished material).

    LB Series Asphalt Mixing Plant (5)

    Elevating system

    Plate chain elevator, whose chain is not easy to stretch and is stable and reliable in use.

    Deceleration motor direct drive with anti reverse device.

    The elevator chute is equipped with a wear-resistant plate structure to improve wear resistance.

    LB Series Asphalt Mixing Plant (6)

    Screening system

    Dual-vibration motor direct drive,strong vibration effect,to achieve a maintenance free period of approximate 2000h.

    Large screening area and high screening efficiency.

    The screen mesh changing device adopts a side bolt method which is convenient for quick replacement.

    The shell of the vibrating screen is wrapped with insulation rock wool for insulation,noise reduction, environmental protection and energy conservation.

    LB Series Asphalt Mixing Plant (7)

    Hot material silo system

    Hot aggregate silo is divided into the upper & lower silo, both adopt rock wool for insulation.

    Equipped with a continuous material level detection device, giving convenience for visually observing the material level of various ingredients.

    The silo door adopts a maintenance free structural design, large & small doors to achieve a secondary coarse & fine weighing structure, ensuring aggregate dosing accuracy.

    The sand silo is equipped with a temperature detection device.

    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 (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.

    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 (11)

    Control system

    Equipped with 2 monitors and 2industrial control computers, when one machine malfunctions another can be used to ensure production stability.

    The operation interface is intuitive and clear and key currents and parameters are displayed during internship.

    The electrical parts adopt famous international brands, to ensure the reliability.

    The control program maintains functions of linkage control, safety interlock, power outage protection.

    Asphalt dosing has a secondary dynamic tracking dosing function; The program has “f lying material” control and automatic dosing function.

    With functions of online remote diagnosis, to ensure the timely service.

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