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Help CenterXiandao GZL Dry Roller Pressing Granulator - China Spray Drying Supplierr
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Adopts drypressing technology to pressure material with moisture content of lower than10% into sheets.
Descriptions
Adopts dry pressingtechnology to pressure material with moisture content of lower than 10% intosheets, and it’s processed into required particles through breaking, granulestreaming and screening process.
The material ispressed by exterior force, and passes through the gap between the two rollerswhich are rotating in different directions, and then it's pressed into sheets.The mass density of material might increase 1.5-3 times, so to achieve requiredstrength.
Features
The material isforced and to be pressed by mechanical force, without any additionalingredients, so to ensure purity.
The dry materialis made into granules directly, no need any further drying process. So it'sgood for product process.
The strength ofthe particles are high, the mass density is increased more apparently compareto other method of granulation. It's especially applicable for to increase themass density of product.
The pollution ofenvironment is controlled, the wasted powder is reduced, the packaging fee isdecreased and the product is easier in transportation.
The structure iscompact, the maintenance is convenient, the operation is simple, the process isshort, the energy consumption is low, the efficiency is high, the probabilityof fault is low, the application range is wide, and the pressure of rollermight be adjusted freely according to the property of material.
The materialfeeding adopts non-step inverter control, the automation level is high. Oneoperation high control muti-units of machine. The labor intensity is low, andthe machine might run continuously in long time.
Adopt highquality alloy, stainless steel, Ti, Cr and other metal for driving parts, thewear-resistance, cossive-resistance, thermo-resistance and pressure-resistanceis highly increased. The service life is long.
Principle
Dry materialpowder is fed from the top of the equipment, de-air, screw-pre-press, enterinto the gap between the two rollers that are rotating in opposite directions.The pressed material falls down because of surface tension and gravity whenpasses through pressing section. The noodles shaped material then enters intobreaking machine, been smashed by rotating knife. The smashed material entersinto granulator, and then the particles and part of powder material enters intosieve by the rolling knife, and then the product is separated. The product upto standard will be conveyed to product silo by conveyor; the material underthe sieve should be fed back and should be pressed again. The pressure mightadjust by the hydraulic oil cylinder according the requirements of granulation.
Sheet, bar andother shape of product might be procured by choose the relative shape of thegrooves on the surface of the roller.
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