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In the ceramic industry, rotary flash dryer is widely used for drying kaolin or bentonite. The final product dried by rotary flash dryer in fine powder, the particle size is uniform and moisture content is low. Its drying time is short and energy consumption is low.

Following is a diagram of XSG-6 rotary flash dryer for reference. In the diagram, heating source is steam. In actual situation, heating source also can be thermal, gas/ oil/ coal hot air furnace:

 

Description of XSG Rotary Flash Dryer:

XSG Rotary Flash Dryer is widely used for drying materials such as paste, cake shape, powder, granules material, etc. It is a new type high drying efficiency and low energy consumption equipment that researched and developed by our company.

Hot air enters the stirring part of drying chamber from the bottom, material is stirred by stirring device and then the hot air exerts strong shearing, blowing, floating and rotating effect to material. Therefore material is crushed by centrifugal, shearing, impacting and friction effect. It strengthens the heat exchanging process. In the bottom of drying chamber, big and damp granules are crushed by stirring device, the particles with low moisture content and small size are lifted by rotary air stream, and be further dried. Gas and solid two phases rotary flow, inertia of solid phase is bigger than gas phase, the relative velocity between gas phase and solid phase is high, heat exchanging efficiency is strengthened, so the drying intensity of this machine is hig

2. Features of XSG Rotary Flash Dryer:

1. Different kinds of feeding device can be chose, feeding is continuous and stable, there is on bridge phenomenon.


2. There is special cooling device at the bottom of dryer, it can avoid the material deteriorate in the bottom high temperature area.


3. Special air sealing device and bearing cooling device and make the life of transmission device longer effectively.


4. There is special air distributing device, it reduces the resistance of equipment, and make the air speed in drying chamber be balanced.


5. There are classification rings and turbojet plates in the drying chamber, fineness and final moisture of product and be adjusted and controlled.


6. In the drying chamber air speed is fast, drying time is short, it can avoid material stick on the wall and deterioration effectively

3. Application of XSG Rotary Flash Dryer:

Ceramic industry: Kaolin, bentonite, clay, etc.

Foodstuff industry: Soybean protein, gelatinized starch, vinasse, triticum, wheat starch, etc.

Organics: Atrazine, lauric acid cadmium, benzoic acid, sodium oxalate, acetyl cellulose, etc.

Dyestuff: Anthraquinones, black iron oxide, indigo dye, butyrate, titanium oxide, zinc sulfide, various azo dye intermediates, etc.

 

4. Technical parameters of XSG Rotary Flash Dryer:

Model	Diameter of chamber (mm)	Size of main machine(mm)	Power of main machine (Kw)	Air volume(m3/h)	Evaporated capacity (kg/h)	Occupied area (mm2)
XSG-2	200	250×800	0.75-2.2	300-800	10-20	3500×2500
XSG-3	300	400×300	3-4	600-1500	20-50	3800×2700
XSG-4	400	500×500	4-7.5	1250-2500	25-70	4000×3000
XSG-5	500	600×000	5.5-11	1500-4000	30-100	4200×3200
XSG-6	600	700×200	7.5-18.5	2500-5000	40-200	4250×3250
XSG-8	800	900×600	11-18.5	3000-8000	60-600	4500×3500
XSG-10	1000	1100×000	15-30	5000-12500	100-1000	4750×3750
XSG-12	1200	1300×200	15-37	10000-20000	150-1300	5000×4000
XSG-14	1400	1500×400	30-55	14000-27000	200-1600	5250×4250
XSG-16	1600	1700×1000	45-75	18700-36000	250-2000	5500×45