Mineral Slag Dryer

Introduction of Mineral Slag Dryer:

Mineral slag dryer is widely applied in building material, metallurgy, and beneficiation, chemical engineering, and cement industries. slag dryer has been verified by the commercial plant lifting flights with optimal design make the head and mass transfer more complete,increase evaporation rate and productivity, the cylinder is flanged connection,with good alignment,convenient for transportation and installation.The drying machine can be used for drying of mineral slag, limestone, clay, river sand, quartz sand, carbide slag, and grain slag. The mineral slag dryer is applicable for many combustion furnace, such as high temperature fluidized bed furnace, coal dusting furnace and manual coal adding stove.

Working Principle concerning Mineral Slag Dryer:

1. The material is sent to hopper by belt conveyor or bucket elevator, and then enter into the feed end by the charging pipeline of the charger in hopper.
2. The charging pipeline gradient of fluorite dryer equipment should be bigger than the natural gradient of material so that the material can enter into the dryer smoothly.
3. The dryer cylinder is a spin cylinder of little tilt to the horizontal line. Material goes in from the higher end, the heat-carrying agent enters from the lower end contacting with the material in countercurrent way. The wet-material is heated directly or indirectly by the heat-carrying agent during its moving forward process in the fluorite dryer equipment, and thus it is dried.
4. Then it is sent out by belt conveyor or spiral conveyor on the discharge end.
5. There is shoveling plate on the fluorite dryer inner wall, lifting and dropping the materials to enlarge the contact surface of material and air current and speed up the drying process and promote the material moving forward. The heat-carrying agent can be divided into hot air and flue gas.
6. After the heat-carrying agent entering into the dryer, cyclone collector is needed to gather the material in the air. To further reduce the dust load in tail gas, the bag filter or dust washer is needed.

Mineral Slag Dryer Features & Charateristics:

This drying equipment makes great changes in the lift flitch devices, adopting new type multi-combination type which solves the wind tunnel phenomenon of the traditional dryer and is of high heat efficiency. The coal consumption decreased by 20%.
1. High thermal efficiency
2. Low temperature in outlets
3. Alloy steel plate or stainless steel plate
4. Convenient transportation

Mineral Slag Drying Production Line Equipment:

Mineral slag dryer production line consists of rotation barrel, induced air equipment, high speed scattering equipment, automatic cleaning device, transmission device, conveying device, blast heater, speed reducer, supporting device and sealing devices. The whole set drying equipment is of high output, low energy consumption, reasonable design, fine making, stable property, advanced technology, small floor area, and high mechanic degree.

Main Technical Parameters:




Rotation speed


Input temperature


Motor power






600*6000 3-5 3-8 ≤700 3 0.5-1.5 2.9
800*8000 3-5 3-8 ≤700 4 0.8-2.0 3.5
800*10000 3-5 3-8 ≤700 4 0.8-2.5 4.5
1000*10000 3-5 3-8 ≤700 5.5 1.0-3.5 5.6
1200*12000 3-5 3-8 ≤700 11 2-6 14.8
1500*12000 3-5 2-6 ≤800 18.5 3.5-9 17.8
1800*18000 3-5 2-6 ≤800 22 5-12 31
2000*18000 3-5 1.5-6 ≤800 30 6-15 43
2200*18000 3-5 1.5-6 ≤800 37 10-18 52
2400*20000 3-5 1.5-5 ≤800 45 18-30 60
2800*20000 3-5 1.5-5 ≤800 55 25-35 72
3000*20000 3-5 1.5-5 ≤800 55 32-40 91
3000*25000 3-5 1.5-5 ≤800 75 40-55 104.9

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