InfraStructures - February 2019 - ADM Offers Crane-Set and Self-Erect Asphalt Storage Silos

ADM Offers Crane-Set and Self-Erect Asphalt Storage Silos

Asphalt Drum Mixers, Inc. (ADM) offers crane-set and self-erect asphalt storage silos, which are compatible with both the company’s own and similar competitive models of asphalt plants. ADM silos are offered in many configurations from single self-erecting silo to multiple crane-set silos and several drive-through configurations. Capacities are between 27 t and 272 t. Custom designs and capacities are also available to accommodate any producer.

Drag conveyors from 136 to 450 t/h help deliver the freshly mixed asphalt to the storage silos, where its temperature is maintained until discharged. ADM manufactures each silo with a heavy-duty steel design and continuous welding throughout. All crane-set silos come with an enclosed batcher with a dual clamshell gate that greatly reduces the risk of product segregation and coning. All models incorporate safety features such as a skid-resistant maintenance platform, top perimeter guardrail and solid-steel toe-stop kick plate. In addition, a 10 cm fiberglass dual layer blanket insulation at the barrel provides superior heat retention for the stored hot mix asphalt. ADM equips all models with alarms to alert operators when asphalt levels are high.

The silo cone has a 60° taper to a 76 cm discharge opening. The cone is double welded to the silo barrel, which extends past the cone. The cone is heated with pressure-tested hot oil tubes and has 10 cm of insulation embossed with a stucco finish. Asphalt producers also have the option to choose an electric heating system to maintain the asphalt at the desired temperature.

Producers can equip all silos with low material signal alarms and stand alone remote level monitors and displays. All silos may also feature optional remote location lubrication systems and AR or ceramic cone liners and drag conveyor floor liners. Other options include a heated silo barrel, safety gates, heated gates, gate seals, blue smoke recovery systems, air supply systems, drag conveyors, transfer drags for multiple silo configurations, and a loadout system.

ADM Loadout computers work in conjunction with truck scales, weight batchers or reverse (negative) weigh systems. Operators use the loadout computer to access truck loading data, job files, silo inventory and more. Loadout options include remote data access, traffic signal lights and control, license plate capture, mix temperature capture, remote printers or paperless ticket printing.

The crane-set models are available in 91-, 136-, 181- and 272-t capacities with portability options available for the 91-, 136-, and 181-t capacity silos. Producers transport crane-set portable silos using a built-on gooseneck with a 5th-wheel kingpin hitch and dual-axle air ride suspension.

The self-erect silos are available in 27-, 45- and 68-t capacities. The self-erecting silo is raised using heavy-duty cables attached to the silo and the drag conveyor. The drag conveyor is raised using a hydraulic cylinder system. Self-erecting silos and the drag conveyor are supported on a heavy-duty steel tubing frame that provides for a 3.40 m wide x 3.43 m high drive-through clearance. Producers transport self-erect silos on a gooseneck trailer with a 5^th-wheel kingpin hitch. A trailer with a quad-axle and air ride suspension supports large units. Small and midsized trailers feature leaf spring suspension and either a tandem or tri-axle. The silo and conveyor pivot into the upright position quickly and easily.

Source: Asphalt Drum Mixers, Inc.

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