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Continuous Processing Disc Plate Dryer for Iron Oxide
On the basis of intermittent stirring dryer, a disc plate dryer is
a kind of multi-layer fixed hollow heating circular carrier disc
developed by continuous improvement, which is developed by
continuous improvement. The drying process is to pass the heat
carrier into each layer of hollow disc. In the way of heat
conduction, the wet material placed on the surface of the disk is
heated indirectly, and the wet portion of the rolling material is
evaporated under the operating temperature under the action of
rotating the rake and rake, and the steam is discharged with the
tail gas of the equipment, so that the qualified dry finished
products are continuously obtained at the bottom of the equipment.
Compared with the traditional drying equipment, it has the
advantages of high thermal efficiency, low energy consumption,
uniform drying, good product quality, small occupation, less
auxiliary equipment, less pollution, continuous production,
convenient operation and wide range of application. Therefore,
there is a broad prospect in drying technology, which has attracted
more and more attention and research.
CPD Continuous Disc Plate Dryer Working Principle
The wet material is fed continuously to the first drying layer on
the top of the dryer. It will be turned and stirred by rakes when
the rake arm rotates and drop down to the outer edge of the large
drying plate along the exponential helical line. The material will
be moved from the small drying plate to its outer edge and drop
down to the outer edge of the large drying plate underneath. Both
small and large drying plates are arranged alternately so the
materials can go through the dryer continuously. The heat medium
can be saturated steam, hot water or thermal oil. The heat will be
led into hollow drying plates from one end and come out from the
other end. The dried materials will drop from the last layer of the
drying plate to the bottom of the dryer and then moved by rakes to
the discharge outlet. The material moisture will be removed from
the exhaust outlet on the top cover. For the vacuum-type plate
dryer, the moisture will be sucked out by the vacuum pump on the
top cover. The dried materials will be discharged from the bottom
layer. The drying capability can be improved if the dryer equipped
with supplementary devices such as finned heater, condenser for
solvent retrieval, bag dust remover, return and mix mechanism,
draft fan, and etc.
CPD Continuous Disc Plate Dryer Feature
1. Regulate thickness of materials, rotating speed of main shaft,
number of harrow's arm, style of and sizes harrows achieve best
drying process.
2. Each layer of drying plate can be fed with hot or cold media
individually to heat or cold materials and make temperature control
accurate and easy.
3. Dwell time of materials can be accurately adjusted.
4. Single flowing direction of materials without return flowing and
mixing, uniform drying and stable quality, no re-mixing is
required.
(2) Easy and simple operation
1. Start stop of dryer is quite simple
2. After material feeding is stopped, they can be easily discharged
out of the dryer by harrows.
3. Careful cleaning and observation can be carried inside the
equipment through large-scale viewing window.
(3) Low energy consumption
1. Thin layer of materials, low speed of main shaft, small power
and energy required for conveying system of materials.
2. Dry by conducting heat so it has high heating efficiency and low
energy consumption.
(4)Good operation environment, solvent can be recovered and powder
discharge meet the requirements of exhaust.
1. Normal pressure type: as low speed of air flow inside the
equipment and moisture being high in upper part and low in lower
part, dust powder couldn't float to the equipment, so there is
almost no dust powder in tail gas discharged from the moist
discharge port on the top.
2. Closed type: equipped with solvent recovery device that can
recover organic solvent easily from moist-carrier gas. The solvent
recovery device has simple structure and high recovery rate, and
nitrogen can be used as moist-carrier gas in closed circulation for
those subject to burning, explosion and oxidation, and poisonous
materials in order for safe operation. Especially suitable for
drying of flammable, explosive and poisonous materials.
3. Vacuum type: if the plate dryer is operating under vacuum state,
it is particularly suitable for drying heat sensitive materials.
(5) Easy installation and small occupying area.
1. As the dryer is in a whole for delivery, it is quite easy to
install and fix at site only by hoisting.
2. As drying plates being arranged by layers and installed
vertically, it takes a small occupying area though drying area is
large.
CPD Continuous Disc Plate Dryer Technical Parameters
Type | Diameter(mm) | Height(mm) | Area of dry(m2) | Power(kw) |
1200/4 | 1865 | 2877 | 3.3 | 1.1 |
1200/6 | 3297 | 4.9 | ||
1200/8 | 3717 | 6.6 | 1.5 | |
1200/10 | 4137 | 8.2 | ||
1200/12 | 4557 | 9.9 | 2.2 | |
1500/6 | 2166 | 3327 | 8.0 | |
1500/8 | 3747 | 10.7 | ||
1500/10 | 4167 | 13.4 | ||
1500/12 | 4587 | 16.1 | 3.0 | |
1500/14 | 5007 | 18.8 | ||
1500/16 | 5427 | 21.5 | ||
2200/6 | 2820 | 3781 | 18.5 | |
2200/8 | 4201 | 24.6 | ||
2200/10 | 4621 | 30.8 | 4.0 | |
2200/12 | 5041 | 36.9 | ||
2200/14 | 5461 | 43.1 | 5.5 | |
2200/16 | 5881 | 49.3 | ||
2200/18 | 6301 | 55.4 | 7.5 | |
2200/20 | 6721 | 61.6 | ||
2200/22 | 7141 | 67.7 | 11 | |
2200/24 | 7561 | 73.9 | ||
2200/26 | 7981 | 80.0 | ||
2500/6 | 3115 | 3981 | 26.3 | 4 |
2500/8 | 4401 | 35 | ||
2500/10 | 4821 | 43.8 | 5.5 | |
2500/12 | 5241 | 52.5 | ||
2500/14 | 5661 | 61.3 | 7.5 | |
2500/16 | 6081 | 70.0 | ||
2500/18 | 6501 | 78.8 | 11 | |
2500/20 | 6921 | 87.5 | ||
2500/22 | 7341 | 96.3 | ||
2500/24 | 7761 | 105 | 15 | |
2500/26 | 8181 | 113.8 | ||
3000/8 | 3768 | 5143 | 48 | 11 |
3000/10 | 5643 | 60 | ||
3000/12 | 6143 | 72 | ||
3000/14 | 6643 | 84 | ||
3000/16 | 7143 | 96 | ||
3000/18 | 7643 | 108 | 15 | |
3000/20 | 8293 | 120 | ||
3000/22 | 8793 | 132 | 18.5 | |
3000/24 | 9293 | 144 | ||
3000/26 | 9793 | 156 | ||
3000/28 | 10293 | 158 |
CPD Continuous Disc Plate Dryer Show