Silica Sand rotary dryer drying machine hot sale in Indonesia and Philippines market
Silica Sand rotary dryer / drying machine introduction:
sand rotary dryer is widely used in drying granule material in fixed moisture range such as yellow ground in dry mortar industry, all kinds of molding sand in casting industry and blast fumes slag in building material/cement industry, small granule resistance and not have strict control to smoke. According to different moisture requirement for dried material in various industries, the finished product water content could be able to below 1-0.5%.
River sand dryers are also called sand dryer, river sand dryer, sand drying machine, yellow sand dryers, dry mortar dryers, etc. River sand( yellow sand, mechanical sand) is an important raw material in construction engineering, with the requirement of urban development and construction, cement mortar (dry powder mortar, the mixed mortar, dry mortar, insulation mortar) and the demand is also increasing, the kinds of river sand dryer arises at the historic moment, and is widely used in sand making, building material, metallurgy, mineral processing, chemical industry, cement industry, etc.
| Parameters | YHSS623 | YHSS625 | YHSS6210 | YHSS6215 |
| Drying capacity | 3-5t/h | 5-8t/h | 10-13t/h | 15-20t/h |
| Diameter of drum | 1650mm | 2140mm | 2000mm | 2200mm |
| Length | 1650mm | 2000mm | 4500mm | 5500mm |
| Motor power | 3kw | 3kwx2 | 4kwx2 | 7.5kw*2 |
| Reducer model | XWD-5 | XWD-5 | XWD-5 | XWD-5 |
| Speed of drum rotation | 4-10 r/min | 4-10 r/min | 4-10 r/min | 4-10 r/min |
| Max moisture | 15% | 15% | 15% | 15% |
| Moisture of end products | 0.1%-0.8% | 0.1%-0.8% | 0.1%-0.8% | 0.1%-0.8% |
| Max. temperature inside | 700-750℃ | 700-750℃ | 700-750℃ | 700-750℃ |
| Outlet temperature | 30-60℃ | 30-60℃ | 30-60℃ | 30-60℃ |
| Hot-blast Stove dimensions | 2074×1526×2100mm | 2326×1726×2400mm | 2576×2026×2650mm | 2760m×2250m×2860m |
| Furnace door | 300×450 mm | 350×450mm | 350×450mm | 450*550 mm |
| Quicksand tube | ø273×1250m mm | φ273×1500 mm | φ325×1690 mm | φ400×2000 mm |
| Coal consumption | 7-10 kg/ per ton sand | 7-10 kg/ per ton sand | 7-10 kg/ per ton sand | 7-10 kg/ per ton sand |
Various Flight Designs for Rotary Dryers when Drying different types of materials(Example: a is suitable for sticky material)
To ensure that the dryer is loaded close to optimal, it is important to know the amount of solids that can be held up in the flights. If they are underfilled, the dryer will be performing inefficiently, below its capacity. Excessive overload of the shell will result in a
proportion of the material transported by kiln action,and the contact with the hot gases is limited. The residence time of the solids will be reduced and the quality of the product may be unacceptable.
Working principle of river sand dryers
River sand is conveyed by belt conveyor or bucket elevator to the hopper, and then the hopper feeder through feeding chute into the feed end of dryer. The feed chute slope should be greater than the natural inclination of materials, so that the material flow into the dryer smoothly. Dryer cylinder is a flat line with water slightly tilted into the rotation of the cylinder, materials from high end to join, heating medium from low-end to enter, and material into a counter-current contact, there is also a heating medium with materials and flow into the cylinder. With the rotation of the cylinder material by gravity Run to the bottom on the lower side, wet material in the process of cylinder body move forward, directly or indirectly get the heating medium for heat, to dry the wet material, and then by the belt conveyor or screw conveyor at the discharge end.
Inside the cylinder wall is equipped with lifters, whose role is to put the material lifted up and again, the contact surface is increased and the air flow of material, in order to improve the drying rate and promote the material into, before heating medium is generally divided into hot air and flue gas, heating medium by the dryer, generally need to cyclone with materials in the gas trap, for further reduce exhaust dust content, should also be after bag filter or wet precipitator put emissions.
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