Based on the complexity of the powder mixing operation, especially the nature of the powder material has a great influence on the mixing effect, it is difficult for large-scale pharmaceutical production. In the selection of the mixer, in addition to mastering the above general principles, it is also necessary to add a general method of selection. With many years of work experience, Changzhou Fengneng Drying recommends the following common selection methods: analogy, small test and pilot test.
According to the materials selected by the French pharmaceutical company, the model selected by the same manufacturer can quickly select the mixer model that you need. The advantage of this method is that it is convenient and concise, and the investment in selection is less and the mistakes are less. But the first condition is to grasp the imperfect side of others' selection. This is very difficult. Once an analogy of mistakes is encountered, the selection will take a detour.
2 According to the material, the small test pharmaceutical factory refers to the technical data of the mixer produced by Changzhou Fengneng Drying and the above table, and initially selects the small test machine for the test. In the small test, the performance, mixing uniformity and mixing of the mixer are determined. Good mixed state, etc.
In the small test, several mixers can be selected for comparative experiments, but the mixer is selected according to the following principles: (1) mixing uniformity and mixing time; (2) equipment, energy consumption, maintenance and Comprehensive comparison of operating costs, etc.; (3) installation conditions and production conditions.
According to the experimental analysis conclusion of Changzhou Fengneng drying for many years, the model is determined. If there is any dissatisfaction with the selected products, Changzhou Fengneng Drying Co., Ltd. can be amended to make it more suitable for production requirements.
3 pilot method for large-scale mixing equipment selection, sometimes only the small test results are not enough, zui good to conduct a pilot test, the purpose of the pilot test is to verify the results of the small test, while providing a further basis for the selection, However, note the following points: (1) The closer the pilot plant scale is to the selected equipment specification, the more reliable the test results are; (2) the research on the amplification factor data of the powder mixing equipment is rarely published, so the pilot test needs to be with Changzhou Fengneng. The Technical Department of Dry Engineering Technology Co., Ltd. closely cooperates with attention to issues such as mixing uniformity, power variation, mixing time and mixing start. Only when the results of the pilot test are consistent with the results of the small test, the further selection can have a reliable basis; (3) When the pilot is used, the materials of the given process should be used as much as possible, consistent with the small test materials. The above methods provided by Changzhou Fengneng Drying are for reference only. Please consult the Technical Department of Changzhou Fengneng Drying Engineering Technology Co., Ltd. for detailed material selection, welcome new and old customers and negotiate!
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