Mobile Hot Mix Plant

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mobile-hot-mix-2 Mobile Hot Mix Plant

SPEEDCRAFTS Bitumen Mixer is extremely compact and entirely self-contained plants, trailer mounted on 4 nos. pneumatic wheels with drawbar and turntable to ensure easy towing. All controls are within easy reach of the operator.

Easy accessibility to all parts and lubricating points for regular and quick maintenance has been given utmost importance in design. All materials used are of correct and specified grades and are properly tested.

Type & Model

‘Speedcrafts’ Bitumen Mixer, Model SBM-10, capacity 6-10 TPH, generally conforming to IS:5890.

Feeder

A bucket elevator is provided to discharge aggregate into the drying cylinder through the feeding ring.

Drying Cylinder

Drying Cylinder discharges heated aggregate into the storage ring. It is supported on two roller tracks running on nos. guide rollers driven by chain and sprocket wheel. Lifting flights are wear resistant and replaceable.

Aggregate Burner

Fitted to the discharge end of the drying cylinder, with a fuel pump for feeding fuel and air blower for supplying air.

Air Blower

Driven by the engine through a v-belt and is of suitable capacity for the burners provided.

Storage Ring

The discharge end of the drying cylinder is provided with a storage ring fitted with lifting buckets which discharge the hot aggregate into the batching chute.

Batching Chute

The batching chute has a fixed volume. Hot aggregate is discharged from chute to paddle mixer by a lever which opens the radial door for discharging the aggregate into the paddle mixer and simultaneously closes a deflector plate at the top of the chute to prevent any material being discharged into the chute while the radial door is open. A thermometer is supplied to register the temperature of the stones in the chute.

Drum Hoist

A wire rope hoist is provided with lifting frame for easy and convenient loading of bitumen from barrels nto the boiler.

Bitumen Supply System

An integral bitumen boiler and bitumen pump is provided for feeding bitumen into the calibrated bitumen bucket for discharge into the pug mill. The quantity of bitumen can be metered through a 3-way cock.

Mixer

The aggregate and bitumen are mixed in a paddle mixer, fitted with two paddle shafts mounted with arms and tips which rotate in opposite directions. The shafts are gear driven and mounted on lubricated bearings. The paddle tips are replaceable and coated with special hard facing alloy to give them longer life in operation. This arrangement provides positive mixing and gives a homogenous mix, which is discharged through a door at the bottom operated by a lever.

Chimney

Chimney for drawing out the hot gases is provided which can be folded during transportation.

Chassis

The whole unit is mounted on a strong chassis of welded and bolted construction with rolled and folded steel sections and provided with four pneumatic tyres. Four strong mechanical parking jacks are fitted.

Optional

Insulated bitumen boiler, overrun and parking brakes, load out conveyor for hot mix material.

Technical Specification
Model Bitumen Mixer Model SBM-10
Length 7100 mm.
Width 2008 mm.
Height with chimney 5250 mm.
Height with chimney folded 2850 mm.
Drier drum diameter (outer) 700 mm.
Drier drum length 2008 mm.
Batching chute capacity 300 kg.
Pugmill capacity 350 kg.
Bitumen boiler capacity 750 ltrs.
Fuel tank capacity (Burner) 175 ltrs.
Fuel tank capacity (Engine) 40 ltrs.
Bitumen bucket capacity 40 ltrs.
Aggregate size usable Upto 30 mm.

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