Canadian Biomass Magazine

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EDGE Innovate unveils new TRM831 wheeled mounted trammel


January 14, 2022
By EDGE Innovate
Photo courtesy EDGE Innovate.

EDGE Innovate has revealed their largest mobile trommel to date with the launch of the new TRM831 at America’s leading compost conference organized by the U.S. Compost Council. EDGE’s newest offering will be one of the largest wheel mounted trommels on the market and will provide operators with unrivalled production rates. With extensive stockpiling capabilities thanks to its end discharge conveyor design, the TRM831 design prevents product cross-contamination and reduces the double handling of material. This is complimented by a remote operated, 180-degree radial fines conveyor which has the capacity to stockpile up to 1030m³.

The EDGE TRM831 portable trommel is ideal for the high-capacity screening of various applications including topsoil, compost, sand, household waste and construction and demolition waste. With a wide range of different drum types and screening media available, the EDGE TRM831 can be customized to suit the customers exact application requirements.

Design features

The EDGE TRM831 incorporates a host of impressive design features such as, a remote 180-degree radial fines conveyor as standard, an eco-power saving functionality which reduces unnecessary running costs and a user-friendly HMI control panel for the easy adjustment of machine parameters.

With an impressive screening area of 57m², the EDGE TRM831 is fitted with a variable speed 2.3 x 9.3 metre-long screening drum, powered via an efficient hydrostatic drive system. Screening efficiency is ensured thanks to a 9.3-metre-long drum with hydraulically adjustable drum cleaning brushes.

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High production rates offered by the TRM831 is maintained thanks to EDGE’s intelligent load management system which prevents drum overload and ensures that the trommel screen is always operating at optimum performance with minimal supervision. Enhanced trommel screening results are achieved thanks to a variable drum screening angle.

Offering the largest hopper capacity in its class, the EDGE TRM831 encompasses a 1500-millimetre-wide, variable speed feed conveyor complete with load sensing and automatic feeder shut down to ensure maximum uptime. Additional hopper options include a reject grid and a two-deck vibrating screen for the pre-treatment of the feed material.

EDGE’s HMI control panel with its intuitive operating system allows for sequential start up and the customization of operating parameters which ensures the EDGE TRM831 runs at optimum capacity across all applications.

Operational features

Utilizing the latest engine technology, the EDGE TRM831 is powered via a 188-hp Caterpillar C4.4 Tier 4 Final/STAGE V engine, resulting in extremely low engine and noise emissions. Further fuel savings are made possible thanks to EDGE’s unique Eco-Power Saving Mode which automatically reduces engine speed to idle when not processing material for a set period. For enhanced savings and zero emissions, the EDGE TRM831 is also available with a direct electric power source configuration.

The TRM831 discharges fines material via a radial fines conveyor with a discharge height of up to six metres. With a 180-degree radial functionality as standard, the radial fines conveyor facilitates the creation of impressive stockpiles and reduces the double handling of material by up to 75 per cent.

A wireless remote with an operating distance of up to 100 metres gives the operator control over engine and feeder speed, screening angle, tipping grid cycles and full control of the radial fines conveyor including radial functionality and discharge height adjustment.

The EDGE TRM831 is designed is ensure operational ease and quick maintenance access. Thanks to a large canopy and uplifting drum bin doors, easy access is provided to the power unit and trommel drum for essential maintenance. A quick drum exchange is facilitated via a hydraulic sliding feeder and hydraulic raising drum cleaning brushes. This allows operators to simply lift out the existing drum to be replaced with the various drum types available.

EDGE’s largest wheel mounted trommel is fitted with a tri-axle bogie complete with fifth wheel hook-up and air brakes. Transportation between sites is exceptionally easy with redeployment taking a matter of minutes thanks to hydraulic folding discharge conveyors and chassis jacklegs.


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