Asphalt mixing plant

Asphalt mixing plant

Asphalt mixing plant also called asphalt batching plant is designed in LB series mixing plant, the model has LB500, LB800, LB1000, LB1500, LB2000, LB3000 and LB4000. Asphalt mixing plant is hot mix plant.

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 Asphalt mixing plant also called asphalt batching plant is designed in LB series mixing plant, the model has LB500, LB800, LB1000, LB1500, LB2000, LB3000 and LB4000. Asphalt mixing plant is hot mix plant.

Introduction of Asphalt Mixing Plant Components:
1.Drying System
The dry drum drive is driven by a four wheel friction drive.
2.Combustion System
Configuration: fuel burner
The use of digital inverter burner, combustible wood, heavy oil and residue, the burner energy saving, adjusting the ratio of 1:10, high temperature control accuracy.
3.Dust Remove & Noise Reduction System
Dust removal system equipped with first class gravity dust collector and secondary cloth bag filter. The equipment from the largest noise 30 meters ≤80dB, Control room noise ≤70dB.
4.The Screening System
Adopts German technology double layer 4 sieve shaker, single vibrating shaft drive, can screening out 4 kinds of different specifications of the aggregate.
5. Measuring System
Measuring mixing composed by the aggregate balance, powder scale, scales and asphalt mixing cylinder, etc.
6.Mixing System
Improved the spacing of the agitator arms and the angle of the stirring blades, Mixing cylinder liner and blades is wear-resistant high strength chrome alloy castings, service life can reach to 105 batches or more.
7.Asphalt Heat And Heat Preservation System
This part is made of Insulation asphalt tank, Asphalt discharge tank, asphalt pump, integration of heat conduction oil furnace fuel type (Heat conduction oil circulation pump)
8.Control System
The whole mixing set control unit include hardware parts and software parts.

LB series Hot Mix Plant for road construction
The manufacture of coated roadstone demands the combination of a number of aggregates, sand and a filler (such as stone dust), in the correct proportions, heated, and finally coated with a binder, usually bitumen based or, in some cases, tar,although tar was removed from BS4987 in 2001 and is not referred to in BSEN 13108/1. The temperature of the finished product must be sufficient to be workable after transport to the final destination. A temperature in the range of 100 to 200 degrees Celsius is normal.

Countries have individual specifications stipulating how much of the raw material can be allowed from recycled asphalt. In-depth research shows that addition of unto 20% recycled asphalt produces the same quality of asphalt compared to 100% virgin material. The quality of Asphalt starts reducing once the percentage of recycled asphalt increases beyond 20%.

The Hot Mix Plant is mainly composed of cold aggregate supply system, drum dryer, coal burner, coal feeder, dust collector, hot aggregate elevator, vibrating screen, filler supply system, weighing and mixing system, asphalt storage, bitumen supply system. All these components have characteristics that impact not only the overall quality of the asphalt but also the effect on the environment.

Advantages of hot mix asphalt plant
High capacity asphalt mixing plant
high quality and competitive price
good cost-effective
Performance is stable, the system unit parameters match the reasonable.
Modular design combination, layout is reasonable and compact, fast and convenient transition.
Absorb key technology and integration of European advanced technology.
Select international renowned brand for key components.
Save fuel consumption, electricity consumption, good dust removal effect.
Meet the safety, environmental protection system certification requirements.
Control unit using PC / PLC joint control, to ensure the quality of the mixture.

Asphalt batch plant drawing

asphalt plant drawings

Asphalt mixing plant technical parameters:

No. Item Parameter
1 Name Asphalt Mixing Equipment
2 Model LB500/800/1000/1500/2000
3 Mixer rated capacity 500/800/1000/1500/2000kg/one batch
4 Product performance standards JT/T 270-2002
5 Rated production capacity 90~120t/h (Under standard conditions)
6 Relationship of production capacity and mixing time Mixing cycle(S) 45 50 55 60
Production capacity(t/h) 120 108 98 90
7 Static metering accuracy Gravel material ± 0.5%; powder ± 0.25%; asphalt ± 0.2%
8 Bag of dust removal capacity Dust emissions: ≤ 50 mg / Nm3; Ringelmann Black Degree: <1 level
9 Burner Fuel(Diesel or heavy oil); Natural gas; Coal ( choose one from three)
10 Temperature stability Hot aggregate material: ± 5 ℃; finished material discharge: ± 3 ℃
11 Environmental noise ≤85 dB (A)
12 Operation method Automatic control, semi-automatic control, manual control
13 Asphalt tank 30 tons, three units, insulation layer (thickness about 50 mm)
14 Heat-transfer Oil Hot oil furnace, high and low pots, burners, heat pumps, insulation pipelines, independent control
15 Overall dimensions Length: 36 m, width: 33 m, height:19 m
16 Overall power 382 ~ 455kw (see the power list)

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