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LB5000 Environmental-Friendly & Energy-Saving Asphalt Mixing Plant
Technical Specification
Heze Zhenhua Machinery Manufacturing Co., Ltd.
HEZE ZHENHUA MACHINERY MANUFACTURING LIMITED COMPANY
I. General Parameters of LB5000 Plant
I. General Parameters of LB5000 Plant
Production capacity: 400 t/h (rated condition, continuous feeding)
Fuel consumption: ≤6.5 kg/t (rated condition)
Rated working conditions:
Aggregate moisture content: 3%
Finished mixture temperature: 140°C
Ambient temperature: 20°C
Site altitude: below 1000 m
Fuel: Heavy oil, calorific value 9800 kcal/kg
Aggregate gradation must meet specification requirements
Measuring accuracy:
Aggregate: ±0.5%
Filler: ±0.5%
Asphalt: ±0.5%
Dust removal efficiency (after baghouse):
Dust emission: <50 mg/Nm³
Ringelmann blackness: < Grade 1
Environmental noise: <70 dB(A) at 20 m from main noise source
Other parameters:
Total installed power: 1100 kW
Total weight: approx. 400 t
Required area: Length 58 m × Width 52 m
II. Component Specifications
II. Component Specifications
1. Aggregate Feeding System (Primary Batching System)
1. Aggregate Feeding System (Primary Batching System)
1.1 Six cold aggregate bins
1.1 Six cold aggregate bins
Capacity per bin: 10 m³
Feeding opening: 4.22 m × 2.8 m
Loading height: 3.82 m
Equipped with grizzly screen to prevent oversized materials
1.2 Six belt feeders
1.2 Six belt feeders
Belt size: 800 mm × 2.2 m
Capacity: 320 t/h (sand and aggregates <40 mm)
Motor power: 3 kW (variable frequency)
Speed ratio: 20:1
Accuracy: ±2%
1.3 Two bin vibrators
1.3 Two bin vibrators
Motor power: 250 W
1.4 Collecting belt conveyor
1.4 Collecting belt conveyor
Motor power: 7.5 kW
Belt width: 800 mm
Capacity: 600 t/h
1.5 Inclined feeding conveyor
1.5 Inclined feeding conveyor
Motor power: 7.5 kW
Belt width: 800 mm
Capacity: 600 t/h
1.6 Environmental protection system
1.6 Environmental protection system
Baghouse dust collector: 200 bags
Induced fan power: 22 kW
Axial fans and ducts: multiple sets
2. Drying System
2. Drying System
2.1 Drying drum
2.1 Drying drum
Size: 3.2 m diameter × 12 m length × 18 mm thickness
Drive: 4 friction rollers
Motors: 4 × 37 kW
Insulation: 50 mm high‑temperature insulation wool + galvanized steel outer cover
Capacity: 600 t/h
2.1.1 Temperature control
2.1.1 Temperature control
Method: Infrared measurement
Accuracy: <±5°C
2.2 Burner (FRD‑JZ5000)
2.2 Burner (FRD‑JZ5000)
Maximum output power: 30 MW
Maximum fuel oil consumption: 2800 kg/h
Modulation ratio: 1:4
Main fuels: Diesel, heavy oil, fuel oil
Ignition fuel: Acetylene
Flame length: ~5.6 m
Flame diameter: ~1.3 m
Flame temperature: ~1300°C
Combustion efficiency: >99%
Electrical power consumption: ≤38 kW
Compressed air consumption: ≤5.5 m³/min
2.2.1 Silencer
2.2.1 Silencer
Type: Reflective muffler
2.2.2 Air compressor
2.2.2 Air compressor
Air volume: 1.81 m³/min
Pressure: 0.85 MPa
Motor power: 22 kW
2.2.3 Diesel supply system
2.2.3 Diesel supply system
Pump type: Gear pump
Pressure: 1.2 MPa
Flow: 4740 L/h
Motor power: 3 kW
3. Screening, Weighing & Mixing System
3. Screening, Weighing & Mixing System
3.1 Hot aggregate elevator
3.1 Hot aggregate elevator
Type: Vertical, fully enclosed, double-chain
Capacity: 600 t/h
Motor power: 45 kW
3.2 Vibrating screen
3.2 Vibrating screen
Type: High-speed inclined 6‑deck screen
Capacity: 600 t/h
Aggregate types: 6
Motor power: 2 × 15 kW
3.3 Insulated hot aggregate bins
3.3 Insulated hot aggregate bins
Type: 6 compartments with 50 mm insulation
Total capacity: 120 t
Level detection: Digital level indicators
Temperature detection: Sensor in sand bin
Equipped with overflow pipes
Pneumatic discharge system with coarse/fine weighing
3.4 Aggregate weighing hopper
3.4 Aggregate weighing hopper
Type: Single hopper, 3‑point suspension
Capacity: 5000 kg
3 load cells
3.5 Asphalt weighing hopper
3.5 Asphalt weighing hopper
Type: Single hopper, insulated, oil‑heated
Capacity: 600 kg
3 load cells
Gravity flow into mixer
Anti‑overfill protection
3.6 Filler weighing hopper
3.6 Filler weighing hopper
Type: Single hopper with sealing gate
Capacity: 600 kg
3 load cells
3.7 Weighing system features
3.7 Weighing system features
All hoppers independently suspended on load cells
Weight signals transmitted to control room for digital display and automatic control
3.8 Insulated mixer
3.8 Insulated mixer
Type: Twin‑shaft paddle mixer with 50 mm insulation
Mixing capacity: 5000 kg per batch
Motors: 2 × 75 kW
Infrared temperature sensor at discharge door
Mixing cycle: 45 seconds
Output: 400 t/h
3.9 Mixing tower
3.9 Mixing tower
Equipped with maintenance lifting device
Truck passage: 6 m × 3.9 m
4. Asphalt Supply System
4. Asphalt Supply System
4.1 Asphalt tanks
4.1 Asphalt tanks
Quantity: 5 × 50,000 L
Heating: Thermal oil coil
Insulation: Corrugated steel outer layer
Level detection: Continuous level gauge
Agitators: 2 × 2 units
4.2 Asphalt pump
4.2 Asphalt pump
Type: Thermal‑oil‑heated screw pump
Flow: 1400 L/min
Motor: 15 kW
4.3 Thermal oil heater
4.3 Thermal oil heater
Model: TR35
Heating capacity: 1,200,000 kcal/h
Max temperature: ≤260°C
Circulation pump: 30 m³/h, 1.6 MPa, 7.5 kW
Fully automatic PLC control
5. Filler Supply System
5. Filler Supply System
5.1 New filler silo
5.1 New filler silo
Capacity: 45 m³
Pneumatic loading
Over‑pressure protection
Level indicators
Anti‑bridging air‑floating device
5.2 Recovered filler silo
5.2 Recovered filler silo
Capacity: 45 m³
Connected to secondary baghouse
Over‑pressure protection
Level indicators
Anti‑bridging air‑floating device
Excess dust: lifted and moistened for discharge
5.3 Screw conveyors
5.3 Screw conveyors
Quantity: 2
Size: 304 mm × 2660 mm
Motor: 5.5 kW × 2
Capacity: 60 t/h
6. Dust Collection System
6. Dust Collection System
Type: Primary gravity + secondary baghouse
Primary separation: ≥75 μm
Secondary emission: ≤50 mg/Nm³ (≤15 mg/Nm³ after aggregate washing)
Max air volume: 187,000 m³/h
6.1 Primary dust collector
6.1 Primary dust collector
Gravity type
Adjustable guide plates
Dust returned to hot elevator
6.2 Baghouse
6.2 Baghouse
Pulse-jet cleaning
Bag material: NOMEX, 500 g/m²
Bags: 1320 pcs
Area: 1400 m²
Filter speed: 1.46 m/min
Top‑removal bags
Temperature monitoring & protection
Remote‑controlled air‑flow limiter
Negative pressure monitoring
6.2.1 Dust discharge screw
6.2.1 Dust discharge screw
Motor: 7.5 kW × 2
Capacity: 30 t/h
6.2.2 Induced draft fan
6.2.2 Induced draft fan
Type: Centrifugal
Power: 200 kW
Air volume: 187,000 m³/h
6.2.3 Dust return system
6.2.3 Dust return system
Pneumatic conveying + elevator
Elevator motor: 11 kW
6.2.4 Dust humidifier
6.2.4 Dust humidifier
Power: 15 kW
7. Finished Material Silo
7. Finished Material Silo
Bottom-mounted silo, capacity 150 t
Enclosed receiving corridor
Front and rear fast-rolling doors with sensors
Photocatalytic plasma purifier for asphalt fume treatment
Power: 22 kW
Axial fans and ducts included
8. Control System
8. Control System
Large-screen LCD computer control system
Manual, semi-automatic, and fully automatic modes
Power supply: 380/220 V ±5%, 50 Hz
8.1 Motor control
8.1 Motor control
Breaker + short-circuit + overload protection
Push-button operation
8.2 Weighing control
8.2 Weighing control
Automatic weighing
Auto compensation
Asphalt over‑weight protection
Formula input & printing
8.3 Mixing control
8.3 Mixing control
Fully automatic PLC control
Manual and automatic modes
8.4 Burner control
8.4 Burner control
Automatic start, ignition, monitoring, fault protection
9. Paint
9. Paint
Standard color: Grey (main structure), silver-white (dust system)
Custom colors available upon request
User-Supplied Items
User-Supplied Items
Transformer and cables
Lubricants and thermal oil
Foundation materials (sand, stone, cement, embedded parts)
Power supply system (3-phase 4-wire)
Lightning rod
Main Outsourced Components
Main Outsourced Components
PLC: Siemens
Electrical components: Schneider
Burner: FRD
Screen mesh: Shanghai Shield
Pneumatic components: Shanghai Xinyi
Air compressor: Kaishan
Sensors: Ruima
Bearings: Timken
Motors & reducers: Guomao
Asphalt tanks: Shandong Wucheng
Asphalt pumps: Zhejiang Qingtian
Tools Supplied with Equipment
Tools Supplied with Equipment
(Translated list, no table)
Double-end box wrench set (1 set)
Double-end open wrench set (1 set)
Adjustable wrench 36×300 mm (1 pc)
Adjustable wrench 55×450 mm (1 pc)
Steel pliers 200 mm (1 pc)
Pipe wrench 45×350 mm (1 pc)
Flat file 250-II (1 pc)
Flat screwdriver 200×8 mm (1 pc)
Phillips screwdriver 200×8 mm (1 pc)
Electrician screwdriver 100×5 mm (1 pc)
Hammer 0.5 kg (1 pc)
Sledgehammer 8.2 kg (1 pc)
High-pressure grease gun (1 pc)
Oil pot 1 kg (1 pc)
LB5000 Environmental Protection System
LB5000 Environmental Protection System
1. Mixing Tower Dust Extraction System
1. Mixing Tower Dust Extraction System
Dust extraction ducts and axial fans installed around mixer discharge area
Asphalt fumes extracted and sent to photocatalytic plasma purifier
Enclosed 15 m truck passage with fast rolling doors to prevent fume leakage
2. Cold Aggregate Dust Extraction System
2. Cold Aggregate Dust Extraction System
Cold bins and inclined belt fully sealed
Additional baghouse with ~500 bags
Automatic butterfly valves open when loader feeds material
Dust extracted and sent to dedicated baghouse
Installation & Commissioning
Installation & Commissioning
Free installation and commissioning provided by the manufacturer.
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