LB-1500 (Relocatable) Intermittent Forced Fully Automatic Asphalt Mixing Plant

Technical Specification
Specification No.: SDZHLB-1500

Heze Zhenhua Machinery Manufacturing Co., Ltd.
HEZE ZHENHUA MACHINERY MANUFACTURING LIMITED COMPANY

I. Main Parameters

1. Model: LB1500

2. Structure: Modular, easy to assemble and dismantle, intermittent type, fully computer-controlled

3. Capacity: 90–120 t/h

4. Mixing capacity: 1500 kg per batch

5. Working voltage: 380V/220V, 50Hz

6. Operation modes: Automatic / Semi-automatic / Manual / Full computer control

7. Installed power: ~320 kW

8. Aggregate entering the mixing system must meet the required gradation specifications

II. Main Technical Specifications

1. Cold Aggregate Supply System

1.1 Cold aggregate bins (with grizzly screen at the bin opening)

• Capacity: 9.5 m³

• Quantity: 4 units

1.2 Feeding conveyor belts

• Type: Belt feeder

• Capacity: 0–60 t/h

• Belt width: 500 mm

• Quantity: 5 units

• Motor: 3 kW

1.3 Vibrator

• Model: ZF18–50

• Quantity: 1 unit (installed on sand bin)

1.4 Collecting conveyor belt

• Type: Three-point idler trough frame

• Capacity: 180 t/h

• Belt width: 650 mm

• Motor: 4 kW

1.5 Charging conveyor belt

• Type: Three-point idler trough frame

• Capacity: 180 t/h

• Belt width: 650 mm

• Motor: 4 kW

2. Aggregate Drying System

2.1 Drying drum

• Type: Inclined rotary counter-flow drum (insulated with stainless steel outer cover)

• Production rate:

  • Moisture 1%, discharge temp. 150°C: 160 t/h

  • Moisture 3%, discharge temp. 150°C: 120 t/h

• Drum size: φ1850 mm × 7500 mm × 16 mm

• Motor: 7.5 kW × 4 units

• Drive: Friction drive

• Temperature measurement: At drum discharge box outlet

2.2 Fuel oil burner (Model: FRD-JZ1500)

• Max output power: 10 MW

• Max fuel consumption: 850 kg/h

• Output adjustment ratio: 1:4

• Main fuel: Diesel, heavy oil / fuel oil

• Ignition fuel: Acetylene gas

• Flame length: ~3 m

• Flame diameter: ~0.9 m

• Flame temperature: ~1300°C

• Combustion efficiency: >99%

• Power consumption: ≤21 kW

• Compressed air consumption: ≤3 m³/min

2.3 Screw air compressor: 11 kW

2.4 Fuel oil pump: 2.2 kW

2.5 Fuel oil tank: 50 m³ × 1

3. Hot Aggregate Elevator

• Type: Vertical double-chain bucket elevator, gravity discharge

• Capacity: 180 t/h

• Motor: 15 kW

4. Aggregate Screening System (Vibrating Screen)

• Type: Four-layer inclined vibrating screen, high-strength manganese steel mesh

• Capacity: 180 t/h

• Vibrating motors: 3.7 kW × 2 units

• Standard mesh sizes (mm): 5×5, 10×10, 15×15, 26.5×26.5

• Special mesh sizes available upon request

• Equipped with vibration isolation at connection to main frame

5. Hot Aggregate Bins

• Type: 4-compartment bins with overflow and waste discharge ports

• Total capacity: 18 m³

• Equipped with level sensors

• Newly designed discharge gates for improved weighing accuracy

6. Weighing System

All weighing (aggregate, asphalt, filler) uses three-point load cell measurement with electronic scale processing, digital display, automatic correction, and zero-tracking.

6.1 Aggregate weighing

• Range: 1–2500 kg

• Hopper volume: 2.0 m³

6.2 Asphalt weighing

• Range: 0.1–300 kg

• Hopper volume: 0.25 m³

6.3 Filler weighing

• Range: 0.1–300 kg

• Hopper volume: 0.30 m³

• Discharge via screw conveyor

7. Mixing System

• Type: Twin-shaft forced mixer, intermittent

• Capacity: 1500 kg per batch

• Motors: 30 kW × 2 units

• Materials:

  • Mixing blades & liners: High-chromium alloy cast iron

  • Mixing arms: High-chromium alloy cast steel

8. Filler Supply System

8.1 Mineral powder or reclaimed dust silo

• Type: Vertical cylindrical

• Volume: 25 m³

• Quantity: 1 unit

8.2 Screw conveyor

• Type: Inclined screw

• Capacity: 20 t/h

• Motor: 5.5 kW

• Quantity: 1 unit

• Reclaimed screw: 1 unit, 4 kW

8.3 Filler elevator: 11 kW

8.4 Waste dust screw: 1 unit, 3 kW

9. Pneumatic System

• Type: Screw-type, air-cooled

• Air displacement: 1.5 m³/min

• Pressure: 0.8 MPa

• Power: 11 kW (4P)

• Quantity: 1 unit

• Air tank: 1 m³ × 1

10. Cyclone Dust Collector (Primary Dust Removal)

• Type: Double-cylinder cyclone

• Size: φ1400 mm × 3500 mm

• Efficiency: >80%

11. Baghouse Dust Collector (Secondary Dust Removal)

11.1 Baghouse

• Type: High-pressure pulse jet

• Filter bags: 480 pcs

• Filter area: 500 m²

• Dust removal efficiency:

  • Inlet: 3×10⁴ mg/m³

  • Outlet: 100 mg/m³

11.2 Air tank

• Volume: 1.0 m³

• Pressure: 0.7 MPa

11.3 Induced draft fan

• Type: Low-noise

• Airflow: 137,100–68,250 m³/h

• Pressure: 3567–2400 Pa

• Motor: 90 kW × 1 unit

• Quantity: 1 unit

11.4 Chimney

• Height: 7.5 m

12. Fully Enclosed Control Room

• Size: 4700 mm × 1900 mm × 2200 mm

• Equipped with heating & cooling air conditioner

13. Computer & Automatic Control System

13.1 Automatic control console

• Type: Piano-style, fully enclosed

• Operating temperature: 5–35°C

• Humidity: 20–70%

• Modes: Manual / Semi-auto / Full-auto

Main functions

• Input mix gradation

• Automatic adjustment & precise metering

• Real-time sensor feedback & control

• Display of discharge, weighing, temperature

• Long-term data storage (5 years)

• Color monitor with dynamic plant simulation

13.2 Electrical wiring

• All power cables use VV cables

• Scope: Control room to all plant components

13.3 Printer functions

• Print mixing date, time, product temperature, actual mix gradation

• View & print daily production data

• Operating temperature: 5–35°C

• Humidity: 20–70%

14. Asphalt Supply System

14.1 Asphalt storage tank

• Type: Horizontal cylindrical (tank-in-tank)

• High-temperature tank: 50 t × 1

14.2 Asphalt supply pump

• Type: Gear pump with insulation

• Flow rate: 25 m³/h

• Motor: 7.5 kW

14.3 Asphalt pipelines

• 3″ and 4″ insulated pipelines with necessary valves

15. Painting

• Standard plant color: Gray

• Dust collection system: Silver white

• Custom colors available upon request

Items to Be Provided by User

1. Transformer and cables from transformer to control room (specifications can be provided)

2. Lubricating oil, grease, and heat transfer oil

3. Materials for foundation construction (sand, stone, cement, etc.)

4. Power system uses single-loop three-phase four-wire supply; special requirements must be stated in contract

5. Lightning rod

Major External Components and Supporting Manufacturers for the Asphalt Mixing Plant

1. Control System

   • Chint

   • Schneider

2. Drying System

   • Fuel Burner: Wuhan Furuidar

3. Screening System

   • Screen Mesh: Dunpai Screen Mesh

4. Weighing System, Hot Aggregate Storage Bins, and Main Tower Structure

   • Pneumatic Components: Shanghai Xinyi

   • Sensors: Ruima

5. Reducers and Bearings

   • Reducers: Changzhou, Jiangsu

   • Bearings: Timken

6. Dust Collection System (Secondary Baghouse)

   • Filter Bags: Hebei Huanke

7. Asphalt Heating and Delivery System

   • Shandong Wucheng Luhong Company

Special Tools Supplied with the Asphalt Mixing Plant

The following dedicated tools are provided together with the asphalt mixing equipment for installation, adjustment, and routine maintenance:

1. Double‑ended Box Wrench Set

   • Specification: 8 pieces per set

   • Quantity: 1 set

2. Double‑ended Open‑end Wrench Set

   • Specification: 8 pieces per set

   • Quantity: 1 set

3. Adjustable Wrench

   • Specification: 36 × 300 mm

   • Quantity: 1 piece

4. Adjustable Wrench

   • Specification: 55 × 450 mm

   • Quantity: 1 piece

5. Combination Pliers

   • Specification: 200 mm

   • Quantity: 1 piece

6. Pipe Wrench

   • Specification: 45 × 350 mm

   • Quantity: 1 piece

7. Flat File

   • Specification: 250‑II

   • Quantity: 1 piece

8. Slotted Screwdriver

   • Specification: 200 × 8 mm

   • Quantity: 1 piece

9. Phillips Screwdriver

   • Specification: 200 × 8 mm

   • Quantity: 1 piece

10. Electrician’s Screwdriver

    • Specification: 100 × 5 mm

    • Quantity: 1 piece

11. Machinist Hammer

    • Specification: 0.5 kg

    • Quantity: 1 piece

12. Sledge Hammer

    • Specification: 8.2 kg

    • Quantity: 1 piece

13. High‑pressure Grease Gun

    • Quantity: 1 piece

14. Oil Can

    • Specification: 1 kg capacity

    • Quantity: 1 piece

Note: Due to equipment and technology upgrades, the final product may differ from the images shown. Please refer to the actual product provided by the manufacturer.