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KJG-5 OAR DRYER
Application
Blade dryer has been successfully used in food, chemical,
petrochemical, dye, industrial sludge and other fields. Equipment
heat, cooling, mixing features make it to complete the following
unit operations: calcination (low temperature), cooling, drying
(solvent recovery), heating (melting), response and sterilization.
Mixing blades at the same time the heat transfer surface, the
effective volume per unit area of heat transfer increases, reducing
the processing time. Heat transfer surfaces in wedge-shaped blades
with self-cleaning function. Compression - Expansion mixing
features make the material mixed uniformly. Material along the axis
into a "plug flow" movement, in the axial zone, the material
temperature, humidity, mixing a very small degree of gradient.
1. Conducting oil to do with the heat medium, blade dryer to
complete the work of low-temperature calcination. Such as: calcium
sulfate dihydrate (Ca2SO4 · 2H2O) calcined into calcium sulfate
hemihydrate (Ca2SO4 · 1/2H2O). Sodium bicarbonate (NaHCO3) into
calcined soda (Na2CO3) and so on.
2. Pass into the cooling medium, such as water, salt, etc. can be
used to cool the cooling. Such as: use of soda ash industry in
blade-type cooler base machine to replace the old air-cooled cooler
base machine, saving energy and exhaust gas processing equipment,
lower operating costs, but also for titanium, nickel alloy powder
and all kinds of powder granular materials cooling. On a single
machine where the material can be cooled from 1000 °C to less than
40 °C.
3. Dry, the main function of equipment, do not use hot air to
solvent recovery, energy consumption, environmental control is easy
to deal with the ideal state. On the need to recover solvents,
heat-sensitive materials, particularly flammable adapt easily
oxidized. Has been widely used in fine chemical, petrochemical, dye
industry.
4. Axial range, temperature, humidity, mixing degree of uniformity,
so equipment can be used to heating or melting, or some solid
material response. In the compound and modified starch industries
have been successfully used. Blade dryer can be used to carry out
sterilization of food and flour. Unit within the effective volume
of a large heating area, will soon be material heated to
sterilization temperature, to avoid prolonged heating change the
quality of materials.
Work Principle
Features
1. Blade dryer energy consumption is low: as indirect heating, the
air does not carry away a lot of heat insulation of dryer wall has,
on the slurry material, evaporation of 1kg of water vapor only
1.22kg.
2. Blade dryer system costs low: within the effective volume of
units have a large heat transfer surface, the reduced processing
time, equipment size becomes smaller. Would greatly reduce the
building area and building space.
3. Dealing with a wide range of materials: using a different hot
medium, able to deal with heat-sensitive materials can be
heat-treated materials handling. Commonly used media are: water,
steam, oil, hot water, cooling water. Continuous operation can also
be intermittent operation can be applied in many fields.
4. Environmental pollution: do not carry air, dust entrainment few
materials. Solvent evaporation material is very small, easy to
handle. To have contaminated materials or be recycled solvent
conditions, can be used closed circuit.
5. Low operating cost: the equipment normal operation, only 1 hour
/ Heaven. Low speed and reasonable structure. Wear a small, very
low maintenance costs.
Technical Parameters
Spec | KJG3 | KJG 9 | KJG13 | KJG18 | KJG 29 | KJG 41 | KJG 52 | KJG 68 | KJG 81 | KJG 95 | KJG 110 |
Heat transferring area m2 | 3 | 9 | 13 | 18 | 29 | 41 | 52 | 68 | 81 | 95 | 110 |
Effective volume m3 | 0.06 | 0.32 | 0.59 | 1.09 | 1.85 | 2.8 | 3.96 | 5.21 | 6.43 | 8.07 | 9.46 |
Range of rotating speed r.m.p | 15-30 | 10-25 | 10-25 | 10-20 | 10-20 | 10-20 | 10-20 | 10-20 | 5-15 | 5-15 | 5-10 |
Power kw | 2.2 | 4 | 5.5 | 7.5 | 11 | 15 | 30 | 45 | 55 | 75 | 95 |
Width of vessel mm | 306 | 584 | 762 | 940 | 1118 | 1296 | 1474 | 1652 | 1828 | 2032 | 2210 |
Total width mm | 736 | 841 | 1066 | 1320 | 1474 | 1676 | 1854 | 2134 | 1186 | 2438 | 2668 |
Length of vessel mm | 1956 | 2820 | 3048 | 3328 | 4114 | 4724 | 5258 | 5842 | 6020 | 6124 | 6122 |
Total length mm | 2972 |