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PSD Series Spray Drying Machine
, Pharmaceutical Spray Dryer PSD Series
, Reproducibility Spray Drying Machine
Reproducibility Spray Drying Machine PSD Series Pharmaceutical Spray Dryer
General description
In response to the characteristics of heat sensitivity, poor drying characteristics, low softening point, or strong hygroscopicity with the materials in Traditional Chinese Medicine, foodstuff and chemicals, combined with foreign advanced technology and the actual demands of domestic and oversea customers, PSD Series Precision Pharmaceutical Spray Dryer is developed by our company as a new type of spray dryer.
The plant meets the technological requirements for rapidly transforming feed into powder in production, and the drying process is carried out in clean air.
Today, this new type of precision pharmaceutical spray dryer has been adopted by many companies at home and abroad in Traditional Chinese Medicine, foodstuff and chemicals, and has won unanimous praise and trust from users.
Plant Working Principles
High-speed centrifuge (rotary) spray dryer for the extract of Traditional Chinese Medicine is an application of rotary spray drying technique for special materials,as is also a drying device that uses a high-speed centrifugal atomizer to disperse the feed into a mist, fully contact the hot air, and complete the instant drying to form a powdery finished product.
Among this series of spray dryers, the special spray dryer for Traditional Chinese Medicine extracts is a spray dryer specially used to solve Traditional Chinese Medicine extracts and plant extracts. It solves the following problems in the drying of Traditional Chinese Medicine extracts in the original LPG high-speed spray dryer:
1. Powder wall deposit and the powder yield rate is low.
2.Due to long residue time of powder wall deposit, the phenomenon of powder burning and degeneration appears.
3.Difficult cleaning and inconformity with the requirement of GMP.
4. Low in output: Model LPG-150 rotary spray dryer can process 50-60kg/h of raw material liquid.
Plant Features
- 1. The system adopts a jacketed air-cooling system on the wall and roof of the drying chamber to prevent the material from melting and depositing on the wall.
- 2. The inner wall of the drying chamber adopts an air rotary purge system to make the temperature of the inner wall reach 80 ℃ to eliminate or reduce the phenomenon of wall depositing, so that when the material stays on the wall, it will not get carbonized.
- 3.The tower body receiving system is equipped with a product pneumatic cooling system, IE, dehumidified air-cooling technology is used to prevent the product from agglomerating, softening and absorbing moisture, as facilitates product packaging.
- 4.The gas entering the tower is filtered through intermediate and high-efficiency filters. Moreover, the pipeline adopts full welding and arc transition, which is convenient for cleaning, sterilization, and disassembly, fully meeting GMP requirements.
- 5.The one-time cold air technology is used between the atomizer and the hot air distributor, that is, the top booster mechanism is adopted to prevent the material liquid from returning to the top and cool the atomizer.
- 6.It meets FDA or GMP production requirements. The air cleanliness of the parts in contact with the materials is up to 100,000 grade. It is easy to clean, and multiple operating parameters are automatically controlled to ensure stable product quality.
- 7.The configuration of advanced industrial control system guarantees a normal operation parameters as are not influenced by the artificial and external factors. It adopts PLC control and program control system screen display.
- The plant is equipped with a control system, which adopts PLC program to control the system loop; the touch screen animation displays the process flow, which is operable, and it can realize automatic fuzzy technology tracking and adjustment to the variable operation parameters; The frequency converter regulates the atomizer steadily and safely; the power regulator controls the intake air temperature with an accuracy of plus and minus 2°C, minimizing energy consumption; the inlet temperature and outlet temperature of the tower, and tower pressure can be accurately set and so on.
- All these make the spray drying cycle have comprehensive reliability and reproducibility. This is ensured by high-quality materials and components, instruments for maintenance and calibration and a series of safety devices.
- 8. The elbow from the main drying tower to the cyclone separator is made of a one-time forming 304 stainless steel smooth pipe to prevent material accumulation, and adopts a quick-assembling clamp connection to facilitate the discharge of sewage generated during cleaning. It is suitable for multiple production requirements.
The process flow chart for PSD Series Pharmaceutical Spray Dryer
products parameters
| Model |
PSD－12 |
PSD－20 |
PSD－25 |
PSD－30 |
PSD－35 |
PSD－40 |
PSD－45 |
PSD－50 |
PSD－55 |
| Water evap.(kg/h) |
1-5 |
8-10 |
10-20 |
30-40 |
50-80 |
80-100 |
100-150 |
120-200 |
150-250 |
| Feed-handling capacity(kg/h) |
3-5 |
10-20 |
20-30 |
30-80 |
50-120 |
80-150 |
120-200 |
160-280 |
220-380 |
| Solid content of wet material(%) |
15-30 |
| Moisture content of finished product(%) |
3-5 |
| Electric power(KW) |
21 |
36 |
45 |
63 |
126 |
180 |
216 |
270 |
360 |
| Heating source |
steam(0.6～0.8MPa)＋electricity |
| Product capture method |
High-efficiency cyclone separator + wet dust collector/ wet scrubber |
| Industrial Control System |
Conventional Industrial control System or (Human-Machine Interface) HMI + PLC control;Fuzzy technology is used to track the exhaust air temperature to achieve variable-matching fed amount |
| Inlet Temp.( ℃ ) |
120～220 |
| Outlet Temp.( ℃ ) |
80～100 |
| Diameter of chamber(mm) |
1200 |
2000 |
2500 |
3000 |
3500 |
4000 |
4500 |
5000 |
5500 |
| Overall sizes |
L |
2500 |
3600 |
5000 |
6000 |
7500 |
8000 |
9000 |
10000 |
12000 |
| W |
1800 |
3000 |
4000 |
5000 |
6000 |
7000 |
8000 |
9000 |
10000 |
| H |
3000 |
5000 |
5800 |
7000 |
7500 |
8500 |
9000 |
10000 |
11500 |
Optional Choice
◆This kind of complete equipment is manufactured based on customized design. Not all functional features provide all designs. The actual configuration should be made in accordance with the contract or signed agreement.
◆For the main electrical components, we have international brand choices such as ABB,Siemens or Schneider or others
◆For the material for the machine, we have choices on AISISUS304, AISISUS304L, AISISUS316,AISISUS316L,carbon steel and so on.
◆For the control system, we have choices on push button, PLC+HMI and so on. We can design the control system as needed.
◆We can design the explosion-proof system for our spray dryer based on customer’s request.
◆For the fitting system for the spray dryer, we can supply it, such as feeding
system, pneumatic conveying system and so on.
◆For the heating system for the plant, it is very flexible, and we can configure it based on the customer’s site conditions, such as steam,electricity, gas furnace and so on, all of them we can design it to match our spray dryer.
◆If without heating system, it can as a cooler to make particles with cooling air.
◆Complete and professional R&D equipment, scientific and reasonable product testing services, extensive and in-depth production technology exchanges, research and exploration service platforms:
The leading company can provide customers with various process tests and test verification services in a series of laboratories such as YPG, LPG, PSD, BYP, PFSD, etc., and small pilot scales or even a small number of production-type test units. These equipments have verified the feasibility of the technical application of many series of leveling, determine the best production process conditions, and provide samples for market analysis.
Notices before order
◆Name and physical properties of feed: solid content (or water content), viscosity, surface tension, PH value.
◆The powder capacity after drying, allowable residual water content, particle size, allowable temperature.
◆Production, daily working hours/shift.
◆Available energy: steam pressure available, electric capacity, coal, oil, gas available.
◆Control requirements: whether the inlet and outlet temperatures need to be controlled automatically.
◆Powder collection requirements: whether to install a bag trap, and the environmental requires on exhaust gas.
◆Other special requirements.
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