Cement Americas

SPR 2018

Cement Americas provides comprehensive coverage of the North and South American cement markets from raw material extraction to delivery and tranportation to end user.

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36 CEMENT AMERICAS • Spring 2018 • www.cementamericas.com PRODUCTS Stand-Alone Dust Collector A new stand-alone dust collector from Flexicon removes airborne dust from upstream processes, and discharges it into containers posi- tioned below the collection hopper, protecting operators and improv- ing plant hygiene, while eliminating material waste. The housing is equipped with a 6-in. (15-mm) diameter side inlet port, dual filter cartridges, a 2-hp (1.5- kW) fan motor, a 2.5 cu. ft. (70 liter) collection hopper with flanged slide gate valve and automated controls. Any upstream process that gener- ates dust can be vented to the sys- tem through hard piping or a flexible connection, drawing dust onto dual filter cartridges. At timed intervals, an automatic reverse-pulse filter cleaning system releases short blasts of compressed plant air inside the filters, causing dust build-up on the outer filter surfaces to fall into the hopper. Because the filters are blast- ed alternately at timed intervals with adjustable force, operation of the dust collection system is both contin- uous and efficient. An indicator light on the control pan- el notifies the operator when the receiving hopper is full. The slide gate at the hopper outlet can be opened manually, allowing collected material to gravity discharge into a container. The system's stainless steel housing and support structure, together with NEMA 4X water-resistant controls and wash-down-duty fan motor, allow rapid cleaning or sanitizing of the entire unit between product runs. Flexicon, www.flexicon.com Columbia Steel Serves Cement Plants From pit to raw grinding, to preheater, kiln and finish grinding, Columbia Steel manufactures a full range of replacement parts for cement pro- duction. For example, the company makes large carbon steel mounting frames for roller mills; heat resistant steel preheater and kiln parts; and chrome-moly steel impact resistant parts for hammermills. The company also offers parts for quarries and raw grinding. • Grinding Mills. Columbia Steel product engineers help cement plants worldwide to reduce wear a n d s p e e d m a i n t e n a n c e w i t h improved designs and alloys. The company has a full line of cement plant parts for rod, ball and semi-au- togenous grinding mills. • Vertical Roller Mills. The compa- ny manufactures a large number of wear parts for popular Loesche, Full- er, UBE, and Polysius roller mills. • Preheater and Kiln Parts. Reduce cost per ton with thimbles, inlet trays, nose ring segments, tail ring segments and inlet castings. • Conveyor Drag Chain. Columbia Steel matches alloys to the in-ser- vice temperature reached by the customer 's conveyor chain, and make recommendations for appro- priate hardfacing. • Clinker Drag Chain. All-cast chain eliminates welded joints, with drive sprocket guides designed to keep the chain centered. • Clinker Breaker Parts. Columbia Steel customers know that the right alloys make all the difference in wear life for grizzly bars and hammers. • Elevator Buckets. H39 alloy steel makes Columbia Steel buckets supe- rior to cast iron buckets in strength, hardness and toughness. • Alloys for Heat and Wear. By bal- ancing wear resistance with fracture resistance, castings can reduce oper- ating and replacement part costs. • Apron Feeder Pans. These pans won't fail during extreme service conditions, thanks to the high tough- ness of manganese steel Columbia Steel, www.columbiasteel.com

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