The development of pharmaceutical centrifugal spray dryer will usher in the peak period

The development of pharmaceutical centrifugal spray dryer will usher in the peak period

Medicinal centrifugal spray dryer on the basis of ordinary centrifugal spray dryer. Tower body aeration sweep. Rapping and cold air jacket. Discharge and cold air dehumidification device. Medicinal centrifugal spray dryer is more suitable for heat sensitive materials and belts. Drying with softening point material. Medicinal centrifugal spray dryer can effectively guarantee the quality of dry materials. It excludes the retention of materials in the tower. Medicinal centrifugal spray dryer can maintain the original quality of the product. Good fluidity. Dissolve Good sex. No caking phenomenon occurs. The medicinal centrifugal spray dryer continuously discharges to normal temperature. It is easy to pack. The technical content of the medicinal centrifugal spray dryer reaches the level of international similar products.

Medicinal centrifugal spray dryer features:

The drying speed is fast, the surface area of ​​the liquid is greatly increased after atomization, and in the hot air flow, 95%-98% of the water can be evaporated instantaneously, and the drying time is only a few seconds. The medicinal centrifugal spray dryer is especially suitable for heat sensitive materials. Dry.

The medicinal centrifugal spray dryer has good uniformity, fluidity and solubility, and the product has high purity and good quality.

The production process is simplified and the operation control is convenient. For liquids with a moisture content of 40-60% (up to 90% of special materials), it can be dried into a powder product at one time. After drying, no pulverization and screening are required, which reduces the production process and improves the purity of the product. The medicinal centrifugal spray dryer can adjust the particle size, bulk density and moisture of the product within a certain range by changing the operating conditions, and it is convenient to control and manage.

Pharmaceutical production in the pharmaceutical industry is one of its main tasks. The importance of pharmaceutical centrifugal spray dryer drugs and the differences in the properties of pharmaceutical materials, pharmaceutical centrifugal spray drying mechanism has become a special requirement for pharmaceutical production.

At present, pharmaceutical production has begun to adopt GMP as a system that must be implemented and a law that is enforced. The implementation of GMP involves design, manufacturing, installation, use, management, verification and other aspects. As a kind of pharmaceutical equipment, how to adapt the centrifugal spray drying tower, from the professional point of view of the centrifugal spray drying tower, introduce the design ideas and supporting components and put forward suggestions for selection. The spray drying tower is characterized in that the liquid material is micronized by spraying, and the medicinal centrifugal spray dryer is in contact with the hot air in the spray drying chamber to evaporate the water rapidly, thereby directly obtaining the powder product. This medicinal centrifugal spray dryer unit has the following characteristics in performance:

1. The powder product can be directly obtained from the liquid raw material. Generally, the particle diameter d50 of the medicinal centrifugal spray dryer is in the range of 60125 μm (ie 250120 mesh), and the particle diameter d50 of the pressure spray drying is in the range of 125250 μm (ie 12060 mesh). .

2, drying time is very short, usually only 540 seconds. The temperature of the droplets during the drying process is not high and the heat impact on the product is small.

3, it is not easy to occur such as protein changes, vitamins, loss of oxidation of active ingredients and other defects, the quality of heat sensitive materials, biological and pharmaceuticals can basically be close to the standard of drying under vacuum.

Principle of pharmaceutical centrifugal spray dryer:

Air passes through the filter and heater and enters the air distributor at the top of the drying tower. The hot air enters the drying chamber in a spiral shape. The liquid is pumped from the liquid tank to the centrifugal atomizer at the top of the dryer through the filter, so that the liquid is sprayed into extremely small mist droplets, and the liquid and hot air are in parallel contact, and the water evaporates rapidly. Dry in a short time into a powdery finished product. The finished product of the medicinal centrifugal spray dryer is discharged from the bottom of the drying tower and the cyclone, and the exhaust gas is discharged by the fan.

The medicinal centrifugal spray dryer is a special drying device suitable for drying liquids such as emulsions, suspensions, pastes, and solutions. Pharmaceutical centrifugal spray dryers in polymers and resins, dyes, pigments, ceramics, glass, rust removers, insecticides, carbohydrates, dairy products, dairy products, detergents and surfactants, fertilizers The drying of organic compounds and inorganic compound materials is particularly excellent.

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