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Shanghai Chuanhong Experimental Instrument Co., Ltd
Vacuum atomization of experimental low-temperature spray dryer
NegotiableUpdate on 01/27
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Overview
The experimental low temperature spray dryer vacuum atomization is mainly applicable to the production of micro particle powders in universities, research institutes and laboratories of food, medicine and chemical enterprises. It has broad spectrum applicability to all solutions such as emulsions and suspensions. The laboratory low temperature spray dryer is dried under vacuum environment, realizing the instant drying of materials under low temperature and vacuum, providing a convenient and safe drying method for heat sensitive materials.
Product Details
Vacuum atomization of experimental low-temperature spray dryerMain features:
1. Adopting color LCD touch screen operation control, fully Chinese operation interface, PID constant temperature control for heating temperature, combining automatic and manual control, with built-in memory function, easy to operate.
2. Equipped with an imported oil-free air compressor, the particle size of the powder sprayed follows a normal distribution, with excellent fluidity and very low noise, meeting the national laboratory noise standards;
3. The whole experimental process was completed in a vacuum environment, which greatly reduced the drying temperature of materials and solved the problem of spray drying of heat sensitive materials. In order to meet the requirements of users to adjust various parameters within the experimental range, real-time PID constant temperature control technology is adopted in the design of drying temperature control, which ensures accurate temperature control in the entire temperature range and a heating temperature control accuracy of ± 1 ℃.
4. The spray head is concentric spray head, and the size of the nozzle is optional. During atomization, ensure that there is no eccentricity that causes spraying to one side of the bottle wall, and the spray head can move up and down after installation to facilitate the adjustment of the atomization position and improve the drying effect of spray;
5. The feeding amount can be adjusted by the feeding peristaltic pump, the rated processing capacity can be adjusted, and the sample volume is 50-2000ml
6. The atomization structure of two fluid spray is precisely made of stainless steel, with compact design and no accessory equipment
7. Equipped with a nozzle cleaner (needle), it will automatically clear when the nozzle is blocked, and the frequency of needle passing can be automatically adjusted.
Technical Specifications:
1. Material processing capacity: 50-2000ml/h (depending on the difference in solid content of the material);
2. Real time PID constant temperature control technology, heating and temperature control accuracy: ± 1 ℃;
3. Nozzle caliber: 0.7mm, 1.0mm, 1.5mm, 2mm optional, and can be customized according to customer requirements;
4. Whole machine power: 3.5KW/220V;
5. Dimensions: 850 × 1000 × 1650mm (length, width, height)
6. Vacuum degree -0.05-0.06MPA;
7. Instantaneous spray drying is completed at a specific low temperature (50~80 ℃), and the easily oxidized, volatile and heat sensitive substances can well maintain their chemical structure and biological activity; It can also be done at 105 ℃.
8. Other requirements can be customized according to customer requirements
Vacuum atomization of experimental low-temperature spray dryerSeveral major advantages
Compared with high-temperature spray dryer, low-temperature spray dryer has several advantages. The relevant technical personnel provided an introduction.
Firstly, the drying speed is faster. The drying speed of the low-temperature spray dryer is very fast. After spray, the surface area of the feed liquid is large, and it can evaporate instantly in the high-temperature airflow.
Secondly, the temperature of the liquid drop in the low-temperature spray dryer is not high during the drying process, and the product quality is good. According to the industry, the temperature range of low-temperature spray drying is very wide (80-800 degrees). Even if high-temperature hot air is used, the exhaust temperature will not be very high. In the early stage of drying, the material temperature will not exceed the wet bulb humidity of the surrounding hot air, and the quality of drying products is good. For example, it is not prone to defects such as protein changes, vitamin loss, oxidation, etc., and the quality of thermosensitive materials, organisms, and drugs can basically approach the standard of vacuum drying.
Third, the low-temperature spray dryer has good dispersibility, fluidity and solubility. It is reported that since the drying process of the low-temperature spray dryer is completed in the air, the product can basically maintain a spherical shape similar to the liquid drop, with good dispersion, liquidity and solubility.
Fourth, spray dryer production process decomposition, easy operation and control. Low temperature spray drying is usually used to treat solutions with a moisture content of 40% -60%. Even if the moisture content of special materials is up to 90%, they can be dried into powder products without concentration. Most products do not require further crushing and screening after drying, thereby reducing production procedures and simplifying the production process. In addition, the particle size, bulk density, and moisture content of the product can be adjusted by changing the operating conditions within a certain range, making control and management very convenient.
Fifth, prevent public hazards and improve the production environment. Since low-temperature spray drying is carried out in a closed drying tower, the drying products can not fly in the workshop. For odorous materials, a closed cycle production process can be adopted to burn the odorous gases, prevent air pollution, and improve the production environment.
Sixthly, the low-temperature spray dryer is suitable for continuous large-scale production. spray drying can meet the requirements of industrial large-scale production. The dried products can be combined with coolers and wind transportation in post-processing to form a continuous production line after continuous discharge.
It can be seen that the advantages of low-temperature spray dryer are prominent, which can bring a lot of convenience to the pharmaceutical industry. However, with the continuous improvement of the requirements of the pharmaceutical industry, low-temperature spray dryer enterprises also need to constantly improve and upgrade their equipment. For example, some users reported that the problems of low temperature spray dryer in spray drying, such as the difficulty in drying materials containing organic solvents, all need manufacturers to explore and make breakthroughs.
Firstly, the drying speed is faster. The drying speed of the low-temperature spray dryer is very fast. After spray, the surface area of the feed liquid is large, and it can evaporate instantly in the high-temperature airflow.
Secondly, the temperature of the liquid drop in the low-temperature spray dryer is not high during the drying process, and the product quality is good. According to the industry, the temperature range of low-temperature spray drying is very wide (80-800 degrees). Even if high-temperature hot air is used, the exhaust temperature will not be very high. In the early stage of drying, the material temperature will not exceed the wet bulb humidity of the surrounding hot air, and the quality of drying products is good. For example, it is not prone to defects such as protein changes, vitamin loss, oxidation, etc., and the quality of thermosensitive materials, organisms, and drugs can basically approach the standard of vacuum drying.
Third, the low-temperature spray dryer has good dispersibility, fluidity and solubility. It is reported that since the drying process of the low-temperature spray dryer is completed in the air, the product can basically maintain a spherical shape similar to the liquid drop, with good dispersion, liquidity and solubility.
Fourth, spray dryer production process decomposition, easy operation and control. Low temperature spray drying is usually used to treat solutions with a moisture content of 40% -60%. Even if the moisture content of special materials is up to 90%, they can be dried into powder products without concentration. Most products do not require further crushing and screening after drying, thereby reducing production procedures and simplifying the production process. In addition, the particle size, bulk density, and moisture content of the product can be adjusted by changing the operating conditions within a certain range, making control and management very convenient.
Fifth, prevent public hazards and improve the production environment. Since low-temperature spray drying is carried out in a closed drying tower, the drying products can not fly in the workshop. For odorous materials, a closed cycle production process can be adopted to burn the odorous gases, prevent air pollution, and improve the production environment.
Sixthly, the low-temperature spray dryer is suitable for continuous large-scale production. spray drying can meet the requirements of industrial large-scale production. The dried products can be combined with coolers and wind transportation in post-processing to form a continuous production line after continuous discharge.
It can be seen that the advantages of low-temperature spray dryer are prominent, which can bring a lot of convenience to the pharmaceutical industry. However, with the continuous improvement of the requirements of the pharmaceutical industry, low-temperature spray dryer enterprises also need to constantly improve and upgrade their equipment. For example, some users reported that the problems of low temperature spray dryer in spray drying, such as the difficulty in drying materials containing organic solvents, all need manufacturers to explore and make breakthroughs.
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