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(1) Metering and filling technology The metering and filling of oral liquid can be roughly divided into three categories: one is mechanically controlled one-way valve type plunger pump, the other is peristaltic pump, and the third is servo-controlled rotary valve type plunger pump. The metering pump can be divided into glass, metal and ceramic according to the material. From the current market situation, the majority use a one-way valve type glass plunger pump. Its advantage is that it has less one-time investment and low operating cost. The measurement accuracy can basically meet the requirements of the pharmacopoeia.
The peristaltic pump has the advantages of easy cleaning, good liquid-tightness, and good anti-drip performance during filling. However, the electronic control is relatively complicated, and there are defects such as the loss of the silicone tube for measurement and the instability of the measurement, and the foreign countries are not used in the filling. It was popular in the mid-1990s and is still used in the market.
The servo-controlled rotary valve ceramic or metal pump is divided into three sets and two sets. It is a universal metering pump with high precision, high stability and long service life. For domestic pharmaceutical companies, due to the high one-time investment, most of them are used in products with small capacity and high added value. For example, lyophilized products in biological products mostly use this configuration, followed by water needles, while oral liquids are rarely used.
(2) Technology of capping, filling and capping technology The capping technology is an iconic technique for evaluating the upgrading of oral liquid filling and capping machines. In terms of measurement accuracy and quality of the capping, the user Zui is concerned about the quality effect of the capping.
Analysis of current situation and advantages of oral liquid filling mill
Analysis of current status and advantages of oral liquid filling mill: