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RLB - 2000 type hot recycled asphalt mixing equipment

Asphalt recycle mixing equipment is a specialized and eco-friendly machinery in road construction and maintenance industries, designed to crush, heat, and mix waste asphalt pavement materials with new asphalt, aggregates, and additives to produce high-quality recycled asphalt mixture. As the concept of green construction and resource recycling deepens globally, this equipment has become an indispensable tool for highway reconstruction, urban road maintenance, and old pavement renovation projects, effectively reducing waste disposal costs and saving non-renewable asphalt resources. Widely adopt...

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Détails

RLB - 2000 type hot recycled Asphalt mixing equipment

Product Technical Parameters

1. Production Capacity

120–160 t/h (under standard operating conditions)

Rotary Dryer (Table 1)

Feed Moisture Content of Cold Aggregate	≤3%	≤5%	≤7%
Production Capacity (t/h)	160	140	120
Fuel Consumption (kg/t)	6.0	6.5	7.5
Outlet Temperature of Rotary Dryer	160℃

Notes:① Ambient temperature: 20℃;② Standard atmospheric pressure;③ Residual moisture content: ≤0.5%;④ Low calorific value of diesel oil: 46055 kJ/kg.

Mixing Drum (Table 2)

Mixing Cycle (s)	45	60
Production Capacity (t/h)	160	120

Note: The duration of the mixing cycle is subject to the following conditions:① Type of raw materials;② Gradation ratio of coarse to fine aggregates;③ Asphalt content;④ Addition of cellulose or other additives;⑤ Mixing temperature.

2. Total Installed Capacity

Approx. 480 kW (including approx. 435 kW for the main mixer unit and approx. 45 kW for the finished product storage silo)

3. Measurement Accuracy

Aggregates: ±0.5%
Mineral Powder: ±0.3%
Asphalt: ±0.3%

It complies with the quality standards specified in JT/T 270-2002 (China National Standard) and meets the quality requirements for the construction of high-grade highways.

4. Asphalt Content Deviation

±0.3%

5. Temperature of Finished Mixture

The outlet temperature of the finished mixture can be set arbitrarily and is available for fully automatic or manual control. The temperature error is no more than ±5℃ under fully automatic control. The normal temperature range of the finished mixture is 140℃–160℃, and it can reach 180℃ or higher for special requirements.

6. Quality of Finished Mixture

Uniform and consistent, free from segregation of aggregates, white specks, and clumping. It meets the quality requirements for high-grade pavement construction.

7. Dust Removal Performance

The mixer adopts a two-stage dust removal system:

Primary stage: Mechanical cyclone dust removal
Secondary stage: Pulse-jet baghouse dust removal

The final dust emission concentration from the chimney is less than 100 mg/Nm³, with a Ringelmann blackness grade of 1. The noise level in the control room is below 70 dB(A), fully complying with national environmental protection regulations.

8. Control Method

Microcomputer-based intelligent full-automatic control, supporting fully automatic, semi-automatic, and manual operation modes.

Dual microcomputers serve as hot backups for each other;
Large-screen color display and automatic compensation for material carry-over;
Equipped with fault self-diagnosis, mix formula storage and retrieval functions;
Mass storage, query, and report printing of mixing data;
Multi-point industrial monitoring.

9. Others

Cost Comparison of Production

(Assumptions: 10 operating hours per day; production capacity: 200 t/h, equivalent to 2,000 t/day)

Scenario 1: Virgin Materials Only

(Asphalt content: 4.5%; fuel consumption: 6.5 kg/t of finished mixture)

Daily asphalt consumption: 2,000 t × 4.5% = 90 t
Daily fuel consumption: 2,000 t × 6.5 kg/t = 13 t
Market price of asphalt: ¥4,500/t
Market price of fuel oil: ¥4,500/t
Daily total cost: 90 t × ¥4,500/t + 13 t × ¥4,500/t = ¥463,500

Scenario 2: With Asphalt Hot Recycling System

(Asphalt content: 2%; fuel consumption: 9.5 kg/t of finished mixture)

Daily asphalt consumption: 2,000 t × 2% = 40 t
Daily fuel consumption: 2,000 t × 9.5 kg/t = 19 t
Additional power capacity: 244 kW; power efficiency: 80% (equivalent to 200 kW)
Daily electricity cost: 200 kW × 10 h × ¥1/kWh = ¥2,000
Additional labor: 3 workers; daily wage per worker: ¥60
Daily labor cost: 3 × ¥60 = ¥180
Daily total cost: 40 t × ¥4,500/t + 19 t × ¥4,500/t + ¥2,000 + ¥180 = ¥267,680

Cost Savings

Daily cost savings: ¥463,500 – ¥267,680 = ¥195,820
Cost savings per ton of mixture: ¥195,820 ÷ 2,000 t = ¥98/t

Note: The above parameters are for reference only. Actual costs are subject to fluctuations in asphalt and fuel prices, as well as variations in the quality of milled reclaimed asphalt pavement (RAP) materials.