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DHB Asphalt Drum Mixing Plant

Capacity: 20-100t/h
Total Power: 40-200kw
Fuel Consumption (coal): 10-13kg/t
Oil: 5.5-7kg/t
DHB Asphalt Drum Mixing Plant .DHB Asphalt Drum Mixing Plant-1..DHB Asphalt Drum Mixing Plant-2..DHB Asphalt Drum Mixing Plant-3.
DHB Asphalt Drum Mixing Plant

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DHB asphalt drum mixing plant mainly including: cold aggregate supply system, burner, drying and mixing drum, water dust catcher, bitumen supply system, electrical control system.

Drum mixing type asphalt plant, to continuously produce asphalt mixture.

Burning System: I. Oil burner; II. Gas burner; III. Coal burner; IV. Oil & Gas dual purpose burner.




Control System
The control room is safe, reliable, beautiful and easy to transport and hoisting; the electrical control system adopts operation table, can realize joint operation and unit operation; the operation table is equipped with manual operation device, easy and clear.
1. Adopt international advanced micro-control technology: PLC control system, PC industrial controlling computer.
2. Xinyu has developed his own controlling program which already gained the Independent intellectual property rights; the dual-controlling-machine makes the whole equipment runs fluently and stably.
3. The electrical components adopt world famous brand: Omron, Siemens, Mitsubishi and so on to guarantee high-quality producing.
5. The whole machine is equipped with safety and interlocking apparatus.
6. The optional GPS system and remote data-transmission system realized the functions of remote program updating, failure diagnose, early warning for malfunction.
7. The man-machine interface is more humanized which enables the operator makes full-course control and management.
8. Humanized control center room makes the operation easier.
control system


Cold Aggregate Supply System

Aggregate batching system mainly consists of ground batching hopper, belt feeding machine, aggregate belt machine, small screen and belt conveyor and so on. The 4 aggregate hoppers hold different kinds of aggregate to meet the classification requirement of asphalt mixture.
Under every aggregate batching hopper, there is equipped with one set of belt feeder, whose speed can be infinitely adjusted.
Under the hopper feeder, there is equipped with horizontal groove pattern aggregate belt, which delivers the well-batched aggregate the small screen.
The small screen sifts out the aggregates≤40mm and then the aggregate plate pour these material to the belt conveyor.
cold aggregate supply system


Mixing Machine

The mixing machine combines drying, heating and mixing as one. The aggregate forms incomplete material curtain and is preheated and then is pushed ahead, when enter into the heating part, the material forms complete curtain layer and is heated quickly; the bitumen is spout into mixing area and thoroughly mixed with the aggregate.

asphalt mixing system
Coal Burning System
The coal, processed by high-efficiency coal breaker, turns to coal powder whose diameter is less than 5mm. By speeding up, the coal breaker’s processing speed matches the coal powder’s supply speed. The burner is equipped with oil supply and air-blow device to provide enough heat for asphalt plant.
The coal fines burner mainly consists of combustor, coal breaker and lighter, Xinyu rotating type burner can realize multistage burning, making the most the coal fines and saving cost, at the same time, such burning mode and ensure enough heat for producing. The coal fines burner is especially suitable for the bitumen batching plant with the production capacity of 25-400 tons per hour.
Features Of Coal Burning System
1. Innovated based on the traditional burner, Xinyu developed new-structure burner, which adopts rotating combustor, effectively avoiding scorification and incomplete burning.
2. The flame temperature is very high, saving energy and burning thoroughly.
3. Adopt self-designed excellent-performance waterproof brick, prolong using life.
4. Can continuously produce without stop the whole day, and workers needn’t clean the waste residue every day.
5. The producing cost, only 1/3 of oil burner, is very low.
Coal Burning System.jpg


Technical Data

Model Capacity (t/h) Measurement Accuracy Total Power (kW) Fuel Consumption (kg/t)
Aggregate Bitumen Coal Oil
DHB-20 20 ±1.5% ±1% 40 10 5.5-7
DHB-40 40 ±1.5% ±1% 75 10-13 5.5-7
DHB-60 60 ±1.5% ±1% 128 10-13 5.5-7
DHB-80 80 ±1.5% ±1% 165 10-13 5.5-7
DHB-100 100 ±1.5% ±1% 200 10-13 5.5-7

Delivery & Installation

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