LB‑2000 High‑Configuration (Relocatable) Batch-Type Fully Automatic Asphalt Mixing Plant

Technical Specification
Specification No.: SDZHLB‑2000G
HEZE ZHENHUA MACHINERY MANUFACTURING LIMITED COMPANY

1. Main Parameters

Model: LB2000G
Structure: Modular, easy assembly and disassembly, batch type, fully computer‑controlled
Production Capacity: 120–160 t/h
(Standard conditions: altitude <1000 m, ambient temperature >25°C, moisture <5%)
Mixing Capacity: 2000 kg per batch
Working Voltage: 380V / 220V, 50 Hz
Operation Modes: Automatic / Semi‑automatic / Manual / Full computer control
Installed Power: ~480 kW
Aggregate entering the mixer must meet grading requirements.

2. Main Technical Specifications

2.1 Cold Aggregate Supply System

Cold Aggregate Bins (with safety grating):
Capacity: 9.5 m³ each
Quantity: 5

Belt Feeder Conveyors (frequency‑controlled):
Type: Belt feeding
Capacity: 0–60 t/h
Belt Width: 500 mm
Quantity: 5
Motor: 3 kW

Vibrator:
Model: ZF18‑50
Quantity: 1 (installed on sand bin)

Collecting Conveyor:
Type: Three‑roller trough frame
Capacity: 240 t/h
Belt Width: 650 mm
Motor: 4 kW

Feeding Conveyor:
Type: Three‑roller trough frame
Capacity: 240 t/h
Belt Width: 650 mm
Motor: 4 kW

2.2 Aggregate Drying System

Drying Drum:
Type: Inclined rotary counter‑flow, stainless steel insulated outer shell
Production Rate:
• Moisture 1%, discharge 150°C → 160 t/h
• Moisture 3%, discharge 150°C → 120 t/h
Drum Size: φ2200 mm × 8000 mm × 16 mm
Motor: 15 kW × 4
Drive: Friction drive
Temperature Sensor: Installed at drum outlet

Burner (Model FRD‑JZ2000):
Max Output: 14.7 MW
Max Fuel Consumption: 1250 kg/h
Adjustment Ratio: 1:4
Main Fuel: Diesel, heavy oil
Ignition Fuel: Acetylene
Flame Length: ~3.8 m
Flame Diameter: ~1 m
Flame Temperature: ~1300°C
Combustion Efficiency: >99%
Power Consumption: ≤21 kW
Compressed Air Requirement: ≤3.5 m³/min

Screw Air Compressor: 22 kW × 1
Fuel Tank: 50 t × 1

3. Hot Aggregate Elevator

Type: Vertical plate‑chain bucket elevator, gravity discharge
Capacity: 240 t/h
Motor: 22 kW

4. Vibrating Screen

Type: Five‑deck inclined vibrating screen
Capacity: 240 t/h
Vibration Motors: 5.5 kW × 2
Standard Mesh Sizes: 5×5, 10×10, 15×15, 26.5×26.5, 40×40 mm
Special mesh sizes available upon request
Equipped with vibration‑reduction mounts

5. Hot Aggregate Storage Bin

Structure: 5 compartments with overflow and waste discharge ports
Total Capacity: 40 m³
Equipped with level sensors
New discharge gate design improves weighing accuracy

6. Weighing System

All weighing uses three‑point load cell measurement with electronic compensation and automatic correction.

Aggregate Weighing

Range: 1–2500 kg
Hopper Volume: 2.0 m³

Asphalt Weighing

Range: 0.1–300 kg
Hopper Volume: 0.25 m³

Filler Weighing

Range: 0.1–300 kg
Hopper Volume: 0.30 m³
Discharge via screw conveyor

7. Mixing System

Type: Twin‑shaft compulsory batch mixer
Capacity: 3500 kg per batch
Motors: 45 kW × 2
Materials:
• Mixing blades and liners: High‑chromium cast iron
• Mixing arms: High‑chromium cast steel

8. Filler Supply System

Filler Silos

Type: Vertical cylindrical
Volume: 45 m³ (upper) + 45 m³ (lower)

New Filler Screw Conveyor

Type: Inclined screw
Capacity: 20 t/h
Motor: 3 kW
Quantity: 1

Recycled Filler Screw Conveyor

Type: Horizontal screw
Capacity: 18 t/h
Motor: 3 kW
Quantity: 1
Waste Filler Screw: 3 kW × 1

Filler Elevator

Type: Bucket elevator
Capacity: 25 t/h
Motor: 11 kW
Quantity: 1
(Filler moisture must be <1%)

9. Pneumatic System

Type: Screw type, air‑cooled
Air Flow: 3.6 m³/min
Pressure: 0.8 MPa
Motor: 22 kW
Quantity: 1

10. Cyclone Dust Collector (Primary)

Type: Cyclone
Size: φ1400 mm × 3500 mm
Efficiency: >80%

11. Baghouse Dust Collector (Secondary)

Baghouse:
Type: High‑pressure pulse jet
Size: 10000 mm × 2800 mm × 7300 mm
Filter Bags: 576
Efficiency: 99.5%
Dust Emission: Inlet 3×10⁴ mg/m³ → Outlet 100 mg/m³

Air Tank:
Volume: 1.0 m³
Pressure: 0.8 MPa
Quantity: 2

Induced Draft Fan:
Type: Low‑noise
Air Volume: 37100–68250 m³/h
Pressure: 2400–3567 Pa
Motor: 110 kW
Quantity: 1

Chimney Height: 7.5 m

12. Fully Enclosed Control Room

Size: 5000 mm × 2800 mm × 2200 mm
Equipped with heating and cooling air conditioner

13. Computer and Automatic Control System

Control Console

Type: Piano‑type, fully enclosed
Operating Temperature: 5–35°C
Humidity: 20–70%
Modes: Manual / Semi‑automatic / Fully automatic

System Functions

• Input mix recipes
• Automatic adjustment and precise metering
• Real‑time sensor feedback and control
• Display of discharge, weighing, and temperature data
• Storage of all production data for 5 years
• Color display with dynamic plant simulation

Monitoring and Electrical

• All power cables: VV type
• Three monitoring cameras
• Electrical layout guided by manufacturer

Printer

• Prints date, time, product temperature, actual mix recipe
• Can print daily production reports
• Operating temperature: 5–35°C
• Humidity: 20–70%

14. Asphalt Supply System

Asphalt Tanks

Type: Horizontal cylindrical, thermal‑oil heated
Capacity: 50 t × 2 (one tank with dual agitators)
Thermal Oil Heater: 600,000 kcal, diesel‑fired

Asphalt Pump

Type: Screw pump with insulation
Flow Rate: 25 m³/h
Motor: 7.5 kW

Asphalt Pipelines

3″ and 4″ insulated pipelines with valves

15. Painting

Standard Color: Gray (main structure), silver‑white (dust system)
Other colors available upon request

Items to Be Provided by User

1. Transformer and cables from transformer to control room

2. Lubricants and thermal oil

3. Foundation materials (sand, stone, cement)

4. Power supply: three‑phase four‑wire system unless otherwise specified

5. Lightning protection equipment

Major Outsourced Components

Control System: Schneider, Chint
Burner: Wuhan Furuidar
Screen Mesh: Beijing Hongxing
Pneumatic Components: Shanghai Xinyi
Air Compressor: Kaishan
Sensors: Ruima
Gearboxes: Guomao
Bearings: Timken
Baghouse Filter Bags: Hebei Huanke
Asphalt Tanks: Shandong Wucheng
Asphalt Pumps and Valves: Zhejiang Qingtian Shanggui

Special Tools Supplied with Equipment

Double‑end Wrench Set (8 pcs) – 1
Open‑end Wrench Set (8 pcs) – 1
Adjustable Wrench 36×300 mm – 1
Adjustable Wrench 55×450 mm – 1
Pliers 200 mm – 1
Pipe Wrench 45×350 mm – 1
Flat File 250‑II – 1
Flat Screwdriver 200×8 mm – 1
Phillips Screwdriver 200×8 mm – 1
Electrician Screwdriver 100×5 mm – 1
Hammer 0.5 kg – 1
Sledgehammer 8.2 kg – 1
High‑pressure Grease Gun – 1
Oil Can 1 kg – 1

Note: Final configuration may vary due to technical upgrades.