Yu Zhongxi rotary-vane vacuum pump application in the pharmaceutical industry -

in Chinese and western pharmaceutical companies, often have vacuum evaporation, vacuum concentration, vacuum conveyor, vacuum sterilization, vacuum drying, vacuum packaging and vacuum hybrid emulsion vacuum devices, etc. Used by these devices must be equipped with a vacuum pump, vacuum pump with liquid ring vacuum pump, water injection pump and steam jet pump, the several kinds of vacuum pumps can be directly take in addition to the water vapor, and several kinds of commonly used rotary vane vacuum pump, reciprocating vacuum water pump, plunger water pump and roots vacuum pump, etc. , although they cannot pumping water directly, but can use was associated with condensation space and the surrounding environment clean, no pollution, also can be applied to all kinds of dry pump. Then introduce everyone to rotary vane vacuum pump application in the Chinese and western pharmaceutical companies.

rotary vane vacuum pump is big starting torque using direct integration and design, special design on low temperature environment was made at the same time, used to secure basic equipment, vacuum sealed container pull gas.

in the pharmaceutical production process, how to apply good vacuum pump, need to clear the following concepts:

1, the concept of 'vacuum' : 'vacuum' is to point to in the given space below an atmospheric pressure gas state, density of gas molecules, that is, the space below the atmospheric pressure of gas molecule density in the region. No gas space called absolute vacuum.

2, vacuum pump, is used to produce, improve and maintain a vacuum device.

3, swept volume, vacuum pump working pressure suction gas flow per unit time.

4, extreme pressure, Vacuum degree) : in the case of extraction steam quantity is zero vacuum pump can achieve the absolute pressure.

5, working pressure, Vacuum degree) : jet pump in the swept volume of absolute pressure rating.

6, working steam pressure, steam pressure of the steam jet vacuum pump work.

7, working steam consumption, steam consumption of steam jet vacuum pump unit time.

8, cooling water temperature, water injection pump circulating water temperature or the condenser circulating water temperature of the steam jet vacuum pump.

: 9, cooling water circulation unit time through water injector or steam jet water pump condenser circulating water flow.

distillation, evaporation and drying is commonly used in the production of pharmaceutical three unit operations, all is done with the aid of heat transfer effect. Distillation is the use of homogeneous mixture of components under certain pressure of volatile ( Boiling point) The different separation of a unit operation. Separation system for liquid - more Liquid mixture. The main purpose is purification or recovery of useful components. Dry refers to those who with the help of heat energy in the material moisture evaporation or with frozen water freezes in the sublimation of material and removed unit operations, purpose is to improve the stability of the drug have certain specifications and standards.

in Chinese and western pharmaceutical factory, using rotary vane vacuum pump to the advantage of vacuum drying is to reduce the adverse impact of the air to the product, to ensure the quality of products have a certain significance, particularly suitable for materials including thermal sensitive element.

with the continuous development of commodity economy and energy of outstanding, each enterprise saving energy and reducing consumption, improve production efficiency, improve the quality of the products is more and more become an important means to increase their core competitiveness, in the process of all kinds of choosing appropriate jet vacuum pump, reduce operating costs, will is a strong measure for the enterprise to increase core competitiveness, hope rotary-vane vacuum pump are introduced in this paper is in Chinese and western pharmaceutical factory, the application of relevant knowledge to the enterprise reasonable use vacuum pump have certain reference function.

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