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Large Capacity Rotary Dryer Tumble Dryer Drum Dryer Cement Rotary
Kiln
1.Cement Rotary Kiln Dryer scope of application:
Dryer is mainly used for mineral processing, building materials,
metallurgy, chemical and other departments drying certain humidity
or particle size of the material, rotary dryer has strong
adaptability to the material, can dry all kinds of materials, and
the equipment is simple and reliable, so it is widely used.
Luo Mine ore series dryers are widely used in: iron oxide, sludge,
coke, iron, copper concentrate, silicon carbide powder, rare earth
ore, mercury powder, tin powder, cobalt ore, nickel ore, manganese
ore powder, gypsum powder, bentonite, kaolin clay, iron ore, lead
powder, petroleum coke, gold ore powder, steel slag, water slag,
fluorite ore, the sand of the sea, river sand and other materials
drying.
2. Structural characteristics of dryer:
Tumble dryer, drum dryer, rotary dryer, sand dryer, lignite dryer,
river sand dryer
The dryer is mainly composed of cylinder, big tooth ring, pinion,
supporting wheel, retaining wheel, wheel belt, supporting wheel
shaft and other parts. The motor through the triangle belt, through
the reducer two-stage deceleration, through the pinion drive big
gear ring, so that the cylinder design speed for operation, so that
the cylinder body evenly drying materials.
3.Cement Rotary Kiln Main types of dryer:
Rotary dryer Tumble dryer, drum dryer, rotary dryer
(1) Rotary drum dryer, also called rotary drum dryer.
Widely used in building materials, metallurgy, chemical, cement
industry drying slag limestone, coal powder, slag, clay and other
materials. The machine is mainly composed of rotating body,
hoisting plate, driving device, supporting device and sealing ring
and other components. It has the advantages of reasonable
structure, excellent production, high output, low energy
consumption and convenient operation.
(2) Rotary dryer can also be used for compound fertilizer
production, drying certain humidity and particle size fertilizer,
but also for other materials drying, the conveyor plate
distribution and Angle design is reasonable, reliable performance,
thus high utilization rate of heat energy, uniform drying, cleaning
materials fewer times, convenient maintenance and other
characteristics.
(3) Rotary dryer has strong adaptability to materials and can dry
all kinds of materials. It is used for drying limestone, clay,
pulverized coal and mixed materials in cement plants. It is also
used in metallurgy, mining, electric power, chemical industry, food
and other departments. Rotary dryer is the most commonly used
drying equipment in cement plant. And the equipment is simple and
reliable operation, dustproof sealing, convenient maintenance, so
it is widely used.
(4) Tumble dryer is widely used in food, feed, chemical,
pharmaceutical, mining and other industries. The working process of
the equipment is as follows: After the dehydrated wet materials are
added to the dryer, the materials are evenly dispersed in the dryer
and fully contact with the hot air under the motion of the plate
reader evenly distributed in the drum, which speeds up the drying
heat transfer and mass transfer. In the drying process, the
finished product is discharged from the other part of the dryer
under the action of slanting plate and hot air. This machine is
suitable for drying all kinds of slag materials with water content
less than 85%, such as beer grains, bean dregs, spray-corn husk,
coal slime, fruit dregs, etc. It has good effect on developing feed
resources, reducing feeding cost and reducing environmental
pollution.
4. Cement Rotary KilnDryer product parameters
(1) H series rotary dryer technical parameters, tumble dryer, drum
dryer, rotary dryer
| Product SPEC(m) | Drum volume(m³) | Production capacity(t/h) | Installation Angle(%) | Maximum intake temperature | Main motor power(kw) | Total weight(t) |
| Φ1.2×8.0 | 9.0 | 1.9-2.4 | 3-5 | 700-800 | 7.5 | 9 |
| Φ1.2×10 | 11.3 | 2.4-3.0 | 3-5 | 700-800 | 7.5 | 11 |
| Φ1.5×12 | 21.2 | 4.5-5.7 | 3-5 | 700-800 | 15 | 18.5 |
| Φ1.5×14 | 24.7 | 5.3-6.6 | 3-5 | 700-800 | 15 | 19.7 |
| Φ1.5×15 | 26.5 | 5.7-7.1 | 3-5 | 700-800 | 15 | 20.5 |
| Φ1.8×12 | 30.5 | 6.5-8.1 | 3-5 | 700-800 | 18.5 | 21.5 |
| Φ1.8×14 | 35.6 | 7.6-9.5 | 3-5 | 700-800 | 18.5 | 23 |
| Φ2.2×12 | 45.6 | 9.7-12.2 | 3-5 | 700-800 | 22 | 33.5 |
| Φ2.2×14 | 53.2 | 11.4-14.2 | 3-5 | 700-800 | 22 | 36 |
| Φ2.2×16 | 60.8 | 13.0-16.2 | 3-5 | 700-800 | 22 | 38 |
| Φ2.4×14 | 63.3 | 13.5-16.9 | 3-5 | 700-800 | 37 | 45 |
| Φ2.4×18 | 81.4 | 17.4-21.7 | 3-5 | 700-800 | 37 | 49 |
| Φ2.4×20 | 90.4 | 19.3-24.1 | 3-5 | 700-800 | 45 | 54 |
| Φ2.4×22 | 99.5 | 21.2-26.5 | 3-5 | 700-800 | 45 | 58 |
| Φ2.6×24 | 127.4 | 27.4-34.0 | 3-5 | 700-800 | 55 | 73 |
| Φ3.0×20 | 141.3 | 30.1-37.7 | 3-5 | 700-800 | 75 | 85 |
| Φ3.0×25 | 176.6 | 37.7-47.1 | 3-5 | 700-800 | 75 | 95 |
| Φ3.2×25 | 201 | 42.9-53.6 | 3-5 | 700-800 | 90 | 110 |
| Φ3.6×28 | 285 | 60.8-76.0 | 3-5 | 700-800 | 160 | 135 |
(2) Indirect heat transfer dryer technical parameters
| Item Drum diameter x length | Outside the drum diameter (mm) | Inside the drum diameter (mm) | Drum length (m) | Drum volume (m3) | Drum slope | Type of hoist board | Maximum intake temperature | Dimensions(m) |
| Φ1.5×15m Φ1.5×17m Φ1.5×19m | 1500 | 500 | 15 17 19 | 20.27 22.97 25.68 | 3-5% | Lifting type | 850 | 16.2×2.7×2.7 18.2×2.7×2.7 20.0×2.9×2.9 |
| Φ1.8×21m Φ1.8×23m Φ1.8×25m | 1800 | 650 | 21 23 25 | 35.91 39.33 42.75 | 3-5% | Lifting type | 850 | 22.5×2.7×2.7 24.5×2.9×2.9 26.5×2.9×2.9 |
| Φ2.2×21m Φ2.2×23m Φ2.2×25m | 2200 | 800 | 21 23 25 | 58.10 63.61 69.15 | 3-5% | Lifting type | 850 |
5. Maintenance method of rotary dryer:
(1) During the normal operation of the rotary dryer, the
temperature of the inlet hot flue gas is 700-800 degrees Celsius,
and the temperature of the outlet hot flue gas is 90-150 degrees
Celsius.
(2) Check the ring and supporting wheel of the rotary dryer.
Whether the lubrication points of the roller bearing are filled
adequately.
(3) whether the contact between the ring and the supporting wheel
is good, the contact surface is not less than 70% of the width of
the ring.
(5) Whether the fastening bolts and anchor bolts of the rotary
dryer are loose or broken.
(6) Whether the thrust of each supporting wheel is uniformly
upward.
(7) Whether there is vibration, crack or subsidence of the
foundation of the rotary dryer.
(8) Whether the retaining wheel rotates flexibly, whether the
contact with the ring is good, whether the force is too large to
cause the surface of the retaining wheel shining, peeling and
bearing heating and other abnormal phenomena.
(9) Whether the rotation of the drum body of the rotary drum dryer
is flexible and stable, and whether the seals are worn or leaked.
(10) whether the transmission device vibration, lubrication point
oil is sufficient.
