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Crs1215+7 Double Deck Roller Screen for Coal Size Classification From Gongbei1
Sorting Machine, Double Deck Roller Screen, Disk Type Roller Screen
Hebei Lingfan Tech Co., Ltd.
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Product Description SHIJIAZHUANG GONGBEI HEAVY MACHINERY LIMITED COMPANY ≡≡≡ More screening and Less crushing for Energy saving & Emission reduction ≡≡≡§§ Key features: 1. Unique creation --- moving screen hole, material self-cleaning technology 2. Performance advantages --- high screening efficiency up to 90%, high reliability, environmental protection, large handling capacity (largest unit handling capacity up to 3000t/h) 3. Applicable to various material (dry, wet and sticky material) 4. Screening of particle size: 3-100mm 5. No sticking, No pegging, No plugging§§ Applicable industries and materials: Applicable industries: coal mining, power plant, coal chemical, coking, metallurgy, construction material, chemical etc. Classification of particle size: 3mm, 6mm, 8mm, 10mm, 13mm, 30mm, 50mm, 80mm, 100mm (Classification of particle size is subject to actual working conditions)Applicable industriesMaterialsClassification of particle size (mm)Thermal power plantRaw coal, lignite, coal gangue, middlings, coal slime, petroleum coke, anthracite, oil shale8, 10, 13, 30Coal mining and washing plantVarious raw coal, gangue, middlings, coal slime4, 6, 13, 50, 80, 100CokingCoking coal3Coal liquefaction, gasification and chemical Various raw coal, petroleum coke3, 6, 10, 15, 30Metallurgy, chemicalLimestone, white mica, phosphate ore, oil shale3-30, 30-80Aluminium oxide, laterite nickel ore, gypsum, coke, furnace charge3-80Construction materialLimestone, dinas, construction waste3-5, 10-20, 20-40§§ Working principle:The screen deck of cross roll screen is composed of multiple sets of rotary rollers with disks, all disks on adjacent roller are crossed to form moving screen holes, the materials in the screening area are classified during moving process, small particles go downward and large particles move forward, thus small particles are exposed to rotating disks and are forced to go through the holes via rubbing of adjacent disks. The large particles impact and break the agglomerated particles during movement and clean the small particles on the rollers and disks. Below the rollers, there are scrapers to clean the residues and ensure open holes without plugging, sticking and pegging.§§ Structure:§§ Patents:§§ Projects (transportation from twin-roll drum screen to cross roller screen):1. Working condition:Coal quality: raw coal + coal slime, ration of raw coal and coal slime 1:1.5-2;coal≤8mm accounts for 65%Water content: 10%-20% Requirement of particle size: 8mm2. Equipments before and after transformation:Before: 2 sets of twin-roll screen (ZZS-800), design handling capacity: 800t/h, rated power: 230KwAfter: 2 sets of cross screen (CRS-2220), design handling capacity: 800t/h, rated power: 120Kw3. Comparison: ItemBeforeAfterConclusion EquipmentsSZZ-800 twin roll screenCRS2220 cross screen Max. handling capacity550t/h650-750t/hIncreased 45.5%Screening efficiency0-30% (plugging & pegging)≥91%Always above 90%Power consumption of coal feeding system570536kwh (Apr. 2013)375315kw (Apr. 2013)Saved USD178000 of power consumption710016kwh (May 2013)381704kw (May 2013)Fly ash & slag(2# boiler)Fly ash: 2.27%Fly ash: 2.06%Decreased 9.25%Slag: 0.42%Slag: 0.29%Reduced 31%Annual maintenance costUSD30000/set(maintenance, cleaning, spare parts)Less than USD3000(spare parts)Significantly reduced labor and maintenance cost Addition: (1) Reduced 40% of crushing machine load; (2) Reduced crushing machine wear on the components (hammers etc.) and saved spare parts expenditure (USD24000).§§ Why choose GONGBEI products?1. More than 40 years of technical research and development of material screening and crushing2. The best R&D and technical personnel with the most achievements in screening and crushing fields3. With various experiment database for then thousand materials4. Entrusted National Inspection Center as third inspection party to ensure quality 5. Professionial aftersales service team §§ Solutions of crushing and screening technologies1. Packaged technology for crushing and screening of material ranging form 0.1mm to 1000mm, equipment selection and development & manufacture.2. Technology and equi0pments for crushing and screening of dry, wet and sticky materials, as well as technical upgrading service.3. Patented technology and equipments for ultrafine grinding and crushing of material that is less than 3mm4. Customized design and equipments dedicated for intelligent clean power generation, intensive coal separation, clean coal technology, fine chemical engineering, green mining, soil remediation, soil waste disposal and other materials handling etc..
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