YLB Mobile Asphalt Mixing Plant

Henan Shengmao Machinery Co., Ltd. manufactures mobile compulsory batch asphalt plants with the capacity from 60t/h to 160t/h.

1. Key Working Principle & Characteristics:

1). True Batching Cycle (Discontinuous Forced Mixing):

Raw cold aggregates are dried and heated in a rotating drum, lifted by an insulated bucket elevator, and re-screened into 3 to 4 aggregate fractions inside an enclosed vibrating screen unit.

Hot aggregate grades, liquid bitumen, and fine mineral filler are independently weighed in separate electronic load-cell hoppers for every single batch cycle.

All ingredients are discharged into a heavy-duty compulsory twin-shaft pugmill mixer, where high-velocity counter-rotating paddles enforce thorough, uniform bitumen coating within a precise 40−45-second batch cycle.

2). Stationary-Grade Mix Precision on Wheels:

It delivers the same weighing accuracy (±0.25%−±0.5%) and mix homogeneity as a permanent stationary tower plant, fully meeting the stringent formula compliance rules of national highway departments and international engineering standards (AASHTO, ASTM, EN).

3). Modular Trailer-Mounted Architecture:

The cold aggregate bins, drying drum, multi-deck screening & pugmill mixing tower, dust collector, bitumen tank, and central control cabin are mounted on dedicated semi-trailer chassis for rapid 2−3 day erection and relocation.

2. Key System Components & Engineering Highlights

1). Cold Aggregate Proportioning Unit:

3 to 4 modular aggregate bins mounted on a dedicated trailer chassis.

Driven by variable-frequency drive (VFD) feeder belts with material-shortage acoustic sensors.

2). Thermal-Efficient Drying Drum & Multi-Fuel Burner:

Specially profiled internal flight design creates a uniform aggregate curtain for maximum heat transfer.

Wrapped in a stainless steel thermal insulation jacket, maintaining fuel consumption at 5.5−7.0 kg of oil per ton of asphalt.

Compatible with Light Diesel, Heavy Oil, Natural Gas (LNG/CNG), LPG, or Pulverized Coal.

3). Hot Aggregate Screening Unit:

Enclosed high-frequency vibrating screen sorting hot aggregates into 3 to 4 calibrated particle sizes to guarantee accurate aggregate gradation.

4). Independent High-Precision Electronic Batch Weighing:

Hot Aggregates: ±0.5% accuracy (Independent hopper with high-sensitivity load cells)

Liquid Bitumen: ±0.25% accuracy (Thermal-jacketed weighing hopper with secondary pressure-injection spray)

Mineral Filler / Reclaimed Dust: ±0.25% accuracy (Enclosed screw-fed weighing hopper)

5). Compulsory Twin-Shaft Pugmill Mixer:

Dual synchronized shafts equipped with helical-spiral high-chromium wear-resistant alloy blades and replaceable liner plates (hardness ≥60 HRC).

Homogeneous asphalt binder coating achieved in a fast 45-second45-second batch cycle.

6.) Two-Stage Environmental Dust Collection (≤20 mg/Nm3):

Primary Stage: Volute cyclone separator capturing heavy particulate dust.

Secondary Stage: Pulse-jet Nomex baghouse filter capturing micro-fines (>99.8% efficiency).

Automatically collects and recycles reclaimed mineral filler back into the batching elevator, reducing raw material waste and meeting strict urban emission standards.

7). Trailer Chassis Mobility:

Modular chassis equipped with standard fifth-wheel kingpins, road axles, dual-circuit pneumatic air brakes, and heavy-duty mechanical leveling jacks for rapid 2−3 day site setup with zero permanent foundation loss.

8). Air-Conditioned Intelligent PLC Control Cabin:

Centralized operator cabin with PLC touchscreen, multi-formula storage, dynamic graphic flow visualization, and multilingual interface (English, Spanish, French, Russian).

YLB series of mobile asphalt mixing plant

Capacity available:  60t/h to 160t/h

Mixer: Twin shaft mixer

Control system: PLC Auto