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New coal transfer chutes from TW Woods make coal movement easier

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New transfer chutes from TW Woods Constructions are overcoming the issue of tight spaces in underground coal mines.

Featuring a robust construction and time-saving design, the new coal transfer chutes are built to overcome space, spillage and conveyor bulking problems common in coal handling facilities and have been commissioned in underground coal mines in the Hunter Valley to enable smoother flowing, low-height transfer of coal.

Manufacturer TW Woods lists out simplicity, ease of installation and robust design as the main advantages of the new coal transfer chutes. Installation of each chute takes about four hours.

TW Woods services the mining, energy, construction and materials handling industries throughout Australia and has used its extensive experience across multiple platforms to design the coal chute.

According to a team leader who recently had the chute installed on his site, the robust simple design is wear resistant and easy to adjust for their operations, which involve about 1200 tons/hour with throughput containing lumps up to 300-400mm. The chute is used on left and right hand 90-degree turns, where it is easy to adjust for throughput flow.

The low-height transfer chute features a conical head developed especially for mining applications, enabling high volume rates of up to 2000 tonnes an hour to be maintained when conveyors change direction either underground or on the surface.

TW Woods director Tom Woods explains that one gets 90-degree turns frequently in underground mines as coal conveyors emerge from one shaft and have to transfer into ­another within very tight spaces, which may cause spillage and bulking up on the conveyor belts as coal is dropped from the belt above onto the one below while changing direction.

The new transfer chutes are manufactured to overcome this issue through a compact design that allows the chutes to be fitted into lower overall heights than conventional designs, operating with a separation distance of 1200-1500mm between belts.

The chutes' conical head is also configured to provide a smooth transition through the turn for coal moving at typically 3m/second and dropping up to 1500mm onto a belt below.

The design of the new coal transfer chute eliminates the spills, splatters and bulking that can disrupt production in mines. The design has already been proven with some of Australia's leading coal producers. 

TW Woods has engineered the coal transfer chute at their own extensive metal working facilities to easily outlast conventional designs and far exceed typical warranties.

TW Woods also manufactures products for mineshaft development including shaft liners, drilling tooling and wear plate materials, as well as custom-fabricated wear plate kits.

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