Rotary vane vacuum pump used in the vacuum exhaust _

rotary vane vacuum pump in the application of the vacuum exhaust. Canned exhaust operation is in the process of long-term preservation important process of canned food quality. This type of exhaust and seal the past is a separate process. In recent years, the use of rotary vane vacuum pump vacuum fit method, the steam injection machine with steam injection method, and the gas jet injected gas sealing machine. In law, exhaust is more popular in the sealing.

how rotary vane vacuum pump work?

rotary vane vacuum pump is based on the pump pump and as the backing pump of the rotary vane vacuum pump. Rotary vane pump rotary-vane vacuum pump are used as the backing pump, overcome the rotary-vane vacuum pump are the disadvantage of low pumping rate under certain pressure, while maintaining the fast running of rotary vane vacuum pump. Roots water pump, the advantage is bigger. Because of the rotary vane vacuum pump compact structure, cover an area of an area small, so you can replace many mechanical vacuum pump. Therefore, rotary vane vacuum pump unit is widely used in vacuum metallurgy, electric power capacitor, transformer vacuum heat treatment, extraction, vacuum coating equipment and power. In the semiconductor industry such as vacuum not react with pump oil gas containing dust particles.

when rotary vane vacuum pump is lower than the pump temperature of saturated steam pressure, may at any time to fill it to exhaust pump, to prevent pump oil. In addition, when run off pump port, has condensable gases from the mixed with oil or dissolved in the oil of the condensate gas phase material will overflow from the pump cavity, and if the task inflatable town can also remove a certain amount of condensed material, so as to play a pollution effect, lengthen the operation cycle of the water pump oil.

from the following materials to remove moisture, air and other low molecular process of volatile matter:

( 1) When the production of vinyl plastisol, puts sol to remove the air in the high vacuum to prevent bubbles formed in the product;

( 2) When using hand lay-up or increase the plastic products, injection molding, the means through the appropriate method to remove the air between the layers;

( 3) In exhaust extruder, it refers to the use of vacuum to remove air and moisture and volatile matter of materials, such as canned exhaust.

is the purpose of the rotary vane vacuum pump used in canned:

1. Avoid the growth of aerobic bacteria and moulds;

2。 To prevent or decrease due to heating air to expand in the process of sterilization container deformation or damage, especially lead to excessive pressure extrusion, thus affect the sealing performance;

3。 Control or reduce the canned wall corrosion in canned food is stored;

4。 Avoid or reduce food color, aroma and taste of change;

5。 Avoid damage vitamins and other nutrients;

6。 To help avoid false expansion tank for corruption.

canned canned method is to use a rotary vane vacuum pump exhaust of tank, in order to achieve high vacuum degree in a short time, so the production efficiency is very high, some can reach more than 500 cans per minute; Adapt to all kinds of canned food waste gas especially suitable for difficult to heat food; Vacuum sealing machine is small in size, cover an area of an area small. Rotary vane vacuum pump application in the vacuum exhaust can save energy and improve efficiency.

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