ZPG Spray Dryer (For Herb Extract)
ZPG Spray Dryer For Chinese Traditional Medicine Extract
(herb extract)
Traditional spray dryer for Chinese traditional medicine extract is the centrifugal spray drying technology applied in the drying of specific material. High speed centrifugal type atomizer is utilized to disperse the materials into mist. After in full contact with hot air, the materials complete instant drying to form dry powder products. If we use LPG high speed centrifugal spray dryer for drying Chinese traditional medicine, there might be following problems:
- The materials are easy to stick on the wall, so powder collecting rate is low
- Long time of material on the wall will lead to material coking or deterioration.
- It cannot be cleaned easily which does not conform to GMP requirement.
Low capacity: The actual capacity of LPG-150 can only treat liquid material of 50-60kg/h. Based the above situation, we have designed specialized spray dryer for Chinese traditional medicine. The product after drying has good color and quality. Compared with LPG, it has following features:
- Three-grade air purification is used to make air inlet with cleanness of class 10,000.
- Wall cooling device is applied to make inner wall temperature maximum 80_ , so that the material will not get coking on the wall.
- The volumetric capacity is 3.5 around times of normal LPG.
- Quick washing device is adopted to fit production requirement of various kinds.
- Wet scrubber is used to ensure no loss of dust, which meets the environmental protection requirements.
- Air sweeping device is used.
- Two sets of atomizer with inverter adjustment.
- PLC control and screen display of programmable control system.
- Washing device as option.
- Dry air closed pneumatic transportation on request. We’ve developed new pressure spray type spray dryer for Chinese Traditional Medicine. Except the features above, it also has the following features:
- Big particle size and good flowability of final product.
- Wall sticking problem is solved, and the product quality is improved
- High quality and good solubility of product.
- The configuration is simple and the operation is simple.
- The structure is simple and maintenance cost is low. The main disadvantage of pressure spray type is higher investment cost, mainly because of the drying tower is high, and workshop is also high, so the investment on workshop is high. It is normally applicable for high requirement product and high value-added product.
Food Industry: whole milk powder, cocoa milk powder, milk substitute, egg white (yolk), etc. armpit prion, Oats, chicken juice, instant tea, seasoning meat, protein, soybean, peanut protein, protein hydrolyzate, etc. Corn syrup, corn starch, glucose, pectin, maltose, potassium sorbate, pumpkin powder, etc.
Pharmaceutical products: Chinese traditional medicine extract (herb extract), medicine colloid, yeast, vitamins, antibiotics, amylase, lipase, etc.
Plastics resin: AB, ABS emulsion, urea-formaldehyde resin, phenolic resin, dense plastic (urea) formaldehyde resin, polyethylene, polyvinyl chloride, etc.
Detergent: advanced washing powder, normal washing powder, soap powder, soda powder, emulsifiers, brighteners, phosphoric acid agents.
Chemical Industry: Sodium fluoride (potassium), alkaline dyestuff and pigment, dye intermediates, Mn3O4, formic silica acid, catalyst, sulfuric acid agent, amino acids, silica, etc..
Ceramic: aluminum oxide, ceramic tile material, magnesium oxide, talc, etc.
1. The dry speed is fast and suitable for drying thermal sensitivity material particularly.
2. The finished product is ball granule with uniform size. Its fluidity and solubility are good. The purity of product is high and its quality is good.
3. It applied scope is wide. According to the characteristics of raw material, it can use hot air to dry and can also use cool air to granulate. It has strong adaptability to raw materials.
4. Its operation is simple and stable and its control is simple and convenient and is easy to realize automatic operation.
Specification |
ZPG-5 |
ZPG-25 |
ZPG-50 |
ZPG-100 |
ZPG-150 |
ZPG-200 |
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Air Inlet temperature |
140-220_ , adjustable |
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Air exhaust temperature |
60-100_ , depend on the product properties and processing requirement |
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Nominal water evaporationcapacity (Kg / h) |
5 |
25 |
50 |
100 |
150 |
200 |
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E x t r a c t P r o c e s s i n gCapacity (Kg/h) |
5.59-9.5 |
27.9-47.5 |
55.9-95.0 |
111.7-190.0 |
167.6-285.0 |
223.5-380.0 |
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Output (Kg/h) |
0.59-4.5 |
2.9-22.5 |
5.9-45.0 |
11.7-90.0 |
17.6-135.0 |
23.5-180.0 |
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Feeding Solid contents (%) |
10-45 |
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Final moisture contents (%) |
3-5% |
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Heating method |
High-pressure steam, or steam + electricity, or any kinds of fuel (diesel, natural gas, liquefied petroleum gas or coal, etc.), or solid fuel (any combustible material). Please specify. |
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Drying tower diameter (mm) |
5300 |
6000 |
6800 |
7500 |
8000 |
8500 |
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Overall Dimensions (m) |
14×9×14 |
16×10×15 |
16×12×17 |
18×13×18 |
19×14×19 |
20×15×20 |
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Fines collecting method |
Two grade cyclone / washing tower |
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Product collection rate |
95-98%, depend on the product properties and processing requirement |
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Changzhou Jinqiao Spray Drying and Engineering Co., Ltd

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