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ALFAMIX ALFA BATCH 160 – 160 t/h Stationary Asphalt Mixing Plant

ALFAMIX ALFA BATCH 160 is a stationary batch-type asphalt mixing plant with a hot-mix asphalt production capacity of 160 tonnes per hour, combining precise dosing, homogeneous mixing and easy maintenance. Developed for road construction companies, municipalities and asphalt producers, the plant is offered with modular aggregate bins, burner options for different fuels, a fully automatic control system and storage units configurable to suit your requirements.
ALFA BATCH 160 is configured to match your production targets and site conditions. Durable materials, easily accessible maintenance points and widely available equipment meet the needs of long-term operation.

ALFAMIX ALFA BATCH 160
Plant type Stationary, batch production system
Nominal hot-mix asphalt production capacity 160 t/h
Aggregate moisture content used as the design basis 3%
Filler/dust content used as the design basis 3%
Cold aggregate bins 4, 5 or 6 compartments
Bin combinations 2+2, 2+3 or 3+3
Bin compartments equipped with vibrators 2 designated compartments
Elevator chain pitch 100 mm
Aggregate elevator Double-strand chain
Screen options 3, 4, 5 or 6 decks, on request
Mixer Twin-shaft
Finished asphalt storage silo Volumes starting from 25 m³
Additional asphalt storage options 100-tonne silo beneath the mixer or larger external silos
Filter bags Meta-aramid fabric suitable for continuous operation at 200 °C
Bitumen tank options Horizontal or vertical
Bitumen tank heating options Electric or thermal oil
Plant control Fully automatic and manual operation


The nominal capacity of 160 t/h is based on the stated design conditions. Actual production capacity may vary depending on aggregate properties and moisture, mix design, product temperature, cycle time and uninterrupted material supply.
Feeding tailored to your needs with modular aggregate bins. Groups of two and three bins allow configurations of 4 compartments with 2+2, 5 compartments with 2+3 and 6 compartments with 3+3. This makes it possible to establish a feeding system suited to the aggregate fractions and mix designs to be used.
The sidewall belts used on the dosing conveyors help prevent lateral material spillage. Frequency-inverter-controlled dosing conveyors provide precise feeding. Dosing motors with independent cooling fans maintain effective cooling even at low speeds. Flow monitoring and belt-break safety sensors allow the feeding system to be monitored; electric vibrators on 2 designated bin compartments support material flow. Optional belt scales allow the feed quantity to be monitored by weight and adjusted to the target capacity.
Aggregate collecting conveyors and dryer feed conveyors are equipped with safety pull cords, emergency stops and roller systems that help maintain belt alignment.
A durable dryer design that reduces heat loss. The dryer features high-density rock wool insulation and stainless steel outer cladding. The shell is made of heat-resistant steel plate, with replaceable wear plates reinforcing areas exposed to abrasion.
The dryer motors are directly coupled to the drive shaft, eliminating the need for additional couplings and shafts and simplifying the mechanical arrangement. Controlled starting with soft starters reduces mechanical shocks during start-up.
The dryer riding rings are manufactured from Ç4140 steel by ring rolling, without welded joints. Bolted attachment to the shell facilitates removal and replacement. The heat-treated outer surfaces of the drive rollers increase wear resistance.
Burner selection to suit your fuel infrastructure. Gas, liquid-fuel and dual-fuel burner options are available. Depending on the selected burner and appropriate fuel preparation equipment, fuels such as LPG, LNG, diesel and fuel oil can be used. The burner can be configured for PID-controlled automatic operation or manual use.
Durable elevators and easy maintenance. The elevator system is designed for a chain pitch of 100 mm. The double-strand-chain aggregate elevator is manufactured to match the plant capacity. Hardox reinforcement in the wear areas of the buckets supports durability under intensive operating conditions. Large maintenance doors provide convenient access for inspection and component replacement. A backstop designed to prevent uncontrolled reverse movement is supplied as standard.
Screening options to suit your mix design. The screen feed system has a gate arrangement that directs material either to the screen or to the bypass line. Vibratory motor drive and adjustable vibration allow screening to be adapted to material properties. Large access doors and a simplified screen mesh tensioning system make mesh replacement practical. Screens with 3, 4, 5 or 6 decks are available according to production requirements.
Precise aggregate weighing with staged feeding. The independent gate assembly beneath the hot aggregate silo can be removed and reinstalled as a complete unit when maintenance, overhaul or replacement is required.
The 0–5 mm aggregate compartment has 2 pneumatic gates. At the start of weighing, the large and small gates open together for rapid filling. As the target weight approaches, the large gate closes and the remaining quantity is supplied through the small gate. This two-stage feeding combines rapid filling with accurate weighing. The other compartments use a single gate; a double-gate system or mechanical flow adjustment can be provided on request.
Twin-shaft mixer and pumped bitumen feeding. The twin-shaft mixer is designed to mix aggregate, filler and bitumen homogeneously. The directly coupled mixer motors facilitate removal and reinstallation of the assembly as a whole during maintenance. The mixer is located on a single level without extending into the floor below, allowing more convenient use of the maintenance area.
The pumped bitumen weighing system provides controlled and rapid transfer of bitumen to the mixer. Multipoint bitumen feeding supports more even binder distribution throughout the mix and contributes to effective mixing.
Asphalt storage matched to your production and dispatch plans. Finished asphalt storage silos can be manufactured in volumes starting from 25 m³. A 100-tonne silo beneath the mixer or larger external asphalt storage silos can be designed as required. The storage arrangement can therefore be planned together with production capacity and truck dispatch schedules.
Filter system suitable for high temperatures. The reverse-air filter system uses filter bags made from meta-aramid fabric suitable for continuous operation at 200 °C. The system is designed with efficient dust collection, bag life and operating economy in mind. The selection of low-noise fans helps reduce sound levels at the production site.
Bitumen heating and storage solutions tailored to your site. Horizontal or vertical bitumen tanks can be selected according to available space and operating layout. Tanks are manufactured for electric or thermal-oil heating. Tank layout, storage requirements and heating method are assessed together to develop a suitable solution for your operation.
Fully automatic control and remote technical support. In addition to fully automatic production, the plant is suitable for manual operation. Sensors and control equipment enable production processes to be monitored and safety functions to be managed. An air-conditioned operator cabin with large windows provides a comfortable working environment and a wide field of view.
Remote access speeds up fault diagnosis and technical support. The use of global brands for electrical switchgear and suitable standard equipment makes spare parts easier to source in different regions. Support for required parts is also available through ALFAMIX.
Let us develop the right ALFA BATCH 160 configuration for your operation. Contact us about bin numbers, screen configuration, fuel type, asphalt storage capacity and bitumen tank options so that we can prepare a technical quotation tailored to your project.