Changzhou Kaigong Environmental Protection Engineering Co., Ltd
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    1529503081113806125311
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    No. 508 Chaoyang Road, Moujia Village, Zhenglu Town, Tianning District, Changzhou City
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Rich fat milk powder centrifugal spray dryer
The working principle of the centrifugal spray dryer for rich fat milk powder: after the air passes through the filter and heating device, it enters t
Product details

Operating principle of rich fat milk powder spray dryer:
After the air passes through the filter and heating device, it enters the hot air distributor at the top of the drying chamber. The hot air passing through the hot air distributor enters the drying chamber in a spiral shape evenly. At the same time, the feed liquid is sent by the pump to the centrifugal spray head installed at the top of the drying chamber, and the feed liquid is sprayed into tiny mist droplets, which greatly increases the specific surface area of the feed liquid and hot air. Small droplets and hot air flow together and sink, and the water evaporates rapidly and is dried into granular products in a very short time. They are captured at the bottom of the tower and in the cyclone separator, and the exhaust gas is discharged to the outside.


Features of fat rich milk powder spray dryer:

1、 Fast drying speed. After centrifugal spray, the specific surface area of the feed liquid is greatly increased, and 95-98% of the water can be evaporated instantly in the high-temperature airflow, and the drying time is only a few seconds.


2、 The parallel flow spray drying form can make the droplets flow in the same direction as the hot air. Although the temperature of the hot air is high, the hot air enters the drying room and immediately contacts with the spray droplets. The sudden drop of the indoor temperature will not cause excessive heating of the drying materials, so it is particularly suitable for drying heat sensitive materials.


3、 Widely applicable.

According to the characteristics of the material, it can be dried with hot air or shaped with cold air. A large number of products with significant differences in characteristics can be produced using this method, including polymers and resins, dyes, pigments, glass, rust removers, insecticides, carbohydrates, dairy products, by-products of slaughterhouses, blood and blood products, detergents and surfactants, fertilizers, organic compounds, inorganic compounds, instant foods, pharmaceuticals, etc.


4、 Due to the instantaneous completion of the drying process, the particles of the product remain approximately spherical in shape, with good dispersibility, fluidity, and solubility.


5、 The production process is simplified and the operation and control are convenient.

Spray drying is usually used to dry special materials containing 40-06% of wet products into powder products at one time even if the content is as high as 90%. After most products are dried, they do not need to be crushed and screened again, reducing the production process, simplifying the production process, and improving the purity of products. The particle size, bulk density, moisture content of the product can be adjusted and controlled by changing the operating conditions within a certain range. Management is very convenient.


6、 To prevent material contamination and extend equipment lifespan, all parts in contact with the material are made of stainless steel material. For the convenience of operation, the control system adopts integrated operation.


Technical parameters of fat rich milk powder spray dryer:
Model/Parameters
project
LPG
5
25
50
100
150
200
500
1000
Inlet temperature (℃)
130-300
Export temperature (℃)
70-90
Water evaporation rate (kg/h)
3-7
18-25
35-50
75-100
120-150
170-210
400-500
800-1000
Atomizer transmission mode
Compressed air drive
electric drive
electric drive
electric drive
electric drive
electric drive
electric drive
electric drive
Speed (r/min)
25000
18000-
27000
18000-
27000
18000-
27000
15000-
18000
15000-
18000
12000-
15000
12000-
15000
heat source
electricity
electricity
Steam+electric replenishment
Steam+electric replenishment
Steam+electric replenishment
Steam+electric replenishment
Steam+electric replenishment
Steam+electric replenishment
Transmission power (kw)
4.2
14
18
23
29
43
76
109
Heating power (kw)
18
36
48
72
84
96
144
Dry powder recovery rate (%)
≥97
≥97
≥97
≥97
≥97
≥97
≥97
≥97
Tower diameter (m)
1.2
1.9
2.2
2.56
2.96
3.36
5.2
7.6
Height (m)
2.2
3.6
4.6
5.4
6.3
7
9.2
12.4

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Successful operation!

Successful operation!

Successful operation!