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LPG Series High Speed Centrifugal Spray Dryer

Overview:Product descriptionSpray drying is a relatively widely used process in the liquid process forming and drying industries. It is particularly suitable for the production of powdery, granular solid products from solutions, emulsions, suspensions and past…
  • LPG Series High Speed Centrifugal Spray Dryer
  • LPG Series High Speed Centrifugal Spray Dryer
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Product description
Spray drying is a relatively widely used process in the liquid process forming and drying industries. It is particularly suitable for the production of powdery, granular solid products from solutions, emulsions, suspensions and pasty liquid raw materials. Therefore, spray drying is a very desirable process when the finished product particle size distribution, residual moisture content, bulk density, and particle shape must meet exacting standards.

Working principle
The air is filtered and heated into the air distributor at the top of the dryer. The hot air spirally enters the drying chamber. The feed solution is passed through a high-speed centrifugal atomizer at the top of the tower body, and (rotated) is sprayed into very fine mist-like liquid beads, and in contact with the hot air in parallel can be dried into a finished product in a very short time. The finished product is continuously output from the bottom of the drying tower and the cyclone separator, and the exhaust gas is exhausted by the fan.

Performance characteristics
◎Drying speed is fast, the surface area of material liquid is greatly increased after atomization. In hot air current, 95%-98% of water can be evaporated instantaneously, and the drying time is only a few seconds. It is especially suitable for the drying of heat-sensitive materials.
◎ The product has good uniformity, fluidity and solubility, and the product has high purity and good quality.
◎ The production process is simplified and the operation and control are convenient. For liquids with a moisture content of 40-60% (up to 90% for special materials), the liquid can be dried once into a powdered product, without crushing and screening after drying, which reduces production processes and increases product purity. The product particle size, bulk density and moisture content can be adjusted within a certain range by changing the operating conditions, and the control and management are very convenient.

Adapt to the material
Chemical industry: Sodium fluoride (potassium), basic dye pigments, dye intermediates, compound fertilizers, formaldehyde silicic acid, catalysts, sulfuric acid agents, amino acids, white carbon black, etc.
Plastic resin: AB, ABS emulsion, urea formaldehyde resin, phenolic resin, adhesive (urea) formaldehyde resin, polyethylene, polyvinyl chloride and so on.
Food Industry: Fat-enriched milk powder, Taro, cocoa powder, milk replacer, blood powder, egg white (yellow), etc.
Food and plants: oats, chicken juice, coffee, instant tea, spices, protein, soybeans, peanut protein, hydrolysates, etc.
Sugars: corn syrup, corn starch, glucose, pectin, maltose, potassium sorbate, etc.
Ceramics: Alumina, tile materials, magnesium oxide, talcum powder, etc.

圆形静态真空干燥机

Technical specifications

Model / Item / Parameter 5 25 50 150 200-2000
Inlet temperature 140-350 Self-control
Output temperature 80-90
Moisture evaporation limit(kg/h) 5 25 50 150 200-2000
Centrifugal spray head drive form Compressed air drive Mechanical transmission
Speed limit(r.p.m) 25000 18000 18000 15000 8000-15000
Spray disk diameter(mm) 50 120 120 150 180-240
Heat source Electricity Steam + electricity Steam + Electric, Fuel, Gas, Hot Air Furnace
Electric heating power cap(kw) 9 36 72 99  
Dimensions (length × width × height)(m) 1.8×0.93×2.2 3×2.7×4.26 3.5×3.5×4.8 5.5×4×7 According to the actual situation
Dry powder recovery(%) ≥95

Note: The amount of water evaporation is related to the characteristics of the material and the hot air inlet and outlet temperatures. When the outlet temperature is 90oC, the evaporation curve of its moisture is shown in the above figure (for selection reference). As the product is continuously updated, the relevant parameters are changed without prior notice.

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◎Liquid liquid name, physical properties: solid content (or water content), viscosity, surface tension, and pH.
◎ After drying, the powder capacity, allowable residual water content, particle size, allowable temperature upper limit.
◎ Production, daily opening hours.
◎ Available energy: steam pressure available, capacity, available for coal, oil, gas.
◎ Control requirements: whether the inlet and outlet temperatures need to be controlled.
◎Powder collection requirements: Whether or not to install a bag trap, the environment requires exhaust emissions.
◎ other special requirements.

Technical specifications

Size A B C D E1 E2 F G H I
LPG-25 1290 3410 4260 1800 1200 1200 1000 1700 1300 1550
LPG-50 1730 4245 5100 2133 1640 1640 1250 1750 1800 1600
LPG-100 2500 5300 6000 2560 2100 2100 1750 1930 2600 1780
LPG-150 2800 6000 7000 2860 2180 2180 1970 2080 3050 1960
LPG-200 2800 6600 7300 3200 2300 2300 2210 2250 3050 2100
LPG-300 2800 8000 8700 3700 2800 2800 2520 2400 3040 2250
Centrifugal spray dryer
Centrifugal spray dryer
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