Henan Workers Machinery Co., Ltd.
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High Speed Centrifugal Spray Dryer Ceramic Powder Drying Equipment
High Speed Centrifugal Spray Dryer
Introduction
Scope of application
Centrifuge spray dryer is a kind of continuous atmospheric dryer.Use pneumatic or electric atomization device to make liquid high-speed centrifugal spray as fog droplet, make these fog droplet contact with the hot air in the drying chamber and instantaneous drying.
Application
Food and plants: oats, chicken juice, coffee, instant tea, seasoning spices meat, protein, soybeans, peanut protein, hydrolysates and so on.
Carbohydrates: corn steep liquor, corn starch, glucose, pectin, maltose, potassium sorbate, and the like. Chemical industry: battery raw materials, basic dye pigments, dye intermediates, fertilizer, formaldehyde silicic acid, catalysts, agents, amino acids, silica, and so on.
Ceramics: alumina, ceramic tile materials, magnesium oxide, talcum powder and so on.
Technical parameters
| Specification | LPG-5 | LPG-25 | LPG-50 | LPG-100 | LPG-150 |
| Inlet temp. (℃) | 140-350 | ||||
| Outlet temp. (℃) | 80-90 | ||||
| Spray form | High speed centrifugal atomization | ||||
| Water evaporation(kg/h) | 5 | 25 | 50 | 100 | 150 |
| Atomizer speed(rpm) | 25000 | 22000 | 21500 | 18000 | |
| Diameter of atomizing disk(mm) | 50 | 120 | 150 | ||
| Electric heating power(kw) | 9.6 | 31.5 | 60 | 81 | 99 |
| Recovery rate of dry powder (%) | 99 | ||||
| Occupied length(m) | 1.6 | 4 | 4.5 | 5.2 | 7 |
| Occupied width (m) | 1.1 | 2.7 | 2.8 | 3.5 | 5.5 |
| Height of Tower(m) | 1.75 | 4.5 | 5.5 | 6.7 | 7.2 |
| Lifting height of nozzle(m) | 2.5 | 2.5 | 3.2 | 3.2 | |
Characteristic
1.Stainless steel material, arc corner design and polyester powder coated shell, prevents corrosion of acidity and alkaline air effectively.
2. Imported Schneider electrical components which is more stability.
3. PLC control system, make your research more easier and efficient.
4. Build in oil-free air compressor, without any noise.
5. Self-priming peristaltic pump, avoid secondary pollution, make sure whole process conducted steady and smoothly.
6. Narrow size distribution, more than 95% of the dry powders are in the same range of particles.
7. Innovative tower wall purging device, improves the material recycling rate.
8. High speed of drying, after spraying of the material liquid, the surface area of material will be increased greatly, make your research more efficient.
9. In the hot-air flow, 95%~98% of water can be evaporated at a moment. You can finish material drying only in several seconds.
10. Especially suitable for drying the heat sensitive materials, after drying, there's no need for smashing and sorting, so as to reduce the operation procedures and save your time.
The spray dryer is one of the continuous atmospheric dryers. The liquid material is sprayed with a special device to form a mist and is dried in contact with hot air. For the drying of some heat-sensitive liquids, suspensions, and viscous liquids, such as milk, eggs, tannins, and drugs. Also used for drying fuels, intermediates, soap powder, and inorganic salts.
Working Principle
The air is filtered and heated into the top of the dryer air distributor, hot air into the spiral evenly into the drying chamber. The material liquid is sprayed into a finely atomized liquid droplet through the high-speed centrifugal nebulizer at the top of the tower body, and can be contacted with the hot air in a very short time and can be dried into finished products. The finished product is continuously discharged from the bottom of the drying tower and the cyclone, and the exhaust gas is drained by the draft fan.