Grasan’s largest road-portable horizontal shaft impact crusher plant, the KRH1515, features a Hazemag APPH primary impactor with a fully automatic, hydraulic cylinder system that provides increased crusher capacity (up to 600 tons per hour), smoother operation and more uniform products. Units are ideal for handling concrete/asphalt rubble and limestone, and crusher adjustments have been simplified so no tools are needed. The crusher inlet is 45 inches high (10 inches higher than previous models) to handle larger sizes of incoming concrete and asphalt rubble and C&D debris, and a hydraulic moveable inlet base helps clear jamming and bridging. Plus, the hydraulic inlet hood is secured with wedge pins for easy opening and closing.
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These road-portable inclined screen plants are available in standard and custom designs, featuring high mobility, fast setup and long service life with minimum maintenance. Typical applications include crushed concrete and asphalt rubble, crushed stone and gravel, ores, coal, slag, coke and carbon. Screen sizes range from five-foot by 12-foot to eight-foot by 24-foot models, with capacity up to 1,000 tph of 3/8-inch gravel, and with self-erecting, one-person, all-hydraulic setup.
The compact model KR1010D rubble crushing plant provides high mobility, sets up ready to run in 15 minutes, operates in tight quarters, and crushes up to 150 tons per hour of concrete and asphalt rubble, brick, block and stone. The self-contained plant is 12 feet, six inches high and eight feet, six inches wide, with a high-strength steel frame. The crusher is a Hazemag 1010 primary impactor with a 25-inch high by 40-inch wide feed opening and hinged inlet hood, hinged split housing, adjustable aprons and large access door.
These complete crushing plant recycling systems are specially designed for recycling concrete with embedded metals. Units use a Dings electromagnet and Grasan electric-motor-driven belt with stainless steel cleats to protect it from damage. The head pulley and splitter chute are also stainless steel, which cannot become magnetized. The separator is mounted on the side discharge conveyor in an in-line position for efficient material flow. Grasan crushing plants also utilize Hazemag APPH Series computer-controlled horizontal shaft impactors with hydraulic cylinder system for 15 to 20 percent greater production capacity A primary impact crusher and powerful electromagnetic separator are required for recycling ferrous metals such as mesh, rebar, dowel pins and other tramp iron commonly found embedded in concrete rubble from demolished buildings and torn up highways. A primary impactor shatters concrete so embedded metals are left virtually concrete-free and ready to be pulled from the flow of crushed concrete bythe electromagnetic separator on the discharge conveyor between the crusher and screening plant. The separator should be mounted high on the discharge conveyor where it can deposit separated metals into a truck or dumpster below, ready for sale to metals recyclers.
The KRH1315 road-portable impact crusher plant combines high production capacity with over-the-road portability and fast setup. Units can crush concrete, asphalt rubble and C&D at rates up to 400 tons per hour and shot limestone at up to 500 tph.