Overview
GXS rotating flash drier is a now type of drying device developed
by ourfactory, it skillfully combines crushing technology and
fluidization dryingtechnology, it can hold the material which is
not dried at the drying section,and the dried material may be
discharged in time. The staying time of materialin drying tower may
be inherently regulated, and paste material may be directlydried
into powdery end product, it is an ideal drying equipment in
chemicalindustry, medicine, ceramics and food industry.
Main Structure and Working Principle
The machine is mainly composed of main tower and feeder. Wet material isdelivered to the drying chamber through auger conveyor, the heating air entersthe drying chamber at tangent direction, and the rotating air flows with highspeed upward from tower bottom to amply contact the material, so that thematerial is in a stable balanced fluidization state, under the common effect ofmechanical impact by agitator in the tower and the kinetic energy of rotatingair flow, the material lump is dispersed to form irregular particulate material,the relatively large particles which are not dried move toward the chamber wall,because of the relatively quick rate of setting, they drop to the upper part ofdrying chamber to repeat the above process.
With the dispersion of material andthe mutual grinding between materials, the dried particles move toward the axiallead of gas rotation in the drying chamber, they are discharged to materialcollector together with air flow, so as to attain the aim of dry product throughdrying.
Features
1. It may treat paste, cake, etc. It may also treat heat-sensitive materials.Compared with spray drying, the material may not be diluted, water steam outputis reduced, the effect of energy-saving is remarkable.
2. Operation is continuous, the staying time is short and may be inherentlyregulated, so as to guarantee each technological index of the material to bedried.
3. The equipment covers a small area, the structure is compact and theproduction efficiency is high. Compared with spray drier, the volumes are thesame, but the yield is seven times that of spray drier, the energy consumptionis 1/3 that of spray drier.
4. Drying and crushing are combined for continuous running, bulk
and pastematerials are dried once into powdery end product, the
production technology issimplified and the investment on equipment
is saved.
Application Range and Example
Rotating flash drier is mainly used for drying paste material dreg, cake and wetcrystal material in chemical engineering, light industry, dye chemistry, pharmacy and so on.
Material name | Inlet temp. ℃ | Outlet temp. ℃ | Feed temp. ℃ | Feed solid contnet% | End product water content % | Average granularity um |
Various pulp metal hydroxide | 250 | 85 | 15 | 70 | 4.5 | 40 |
Yellow ferric oixde | 275 | 145 | 15 | 34 | 0.4 | 15 |
Dolomite | 280 | 100 | 13 | 35 | 0.6 | 5 |
Aluminum oxide | 250 | 90 | 18 | 29 | 12.5 | 70 |
Anhydrous calcium carbonate | 280 | 90 | 13 | 58 | 0.3 | 50 |
Wine | 210 | 95 | 10 | 50 |
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