-70℃ Adsorption Dryer

AIPU brand series vacuum freeze -70℃ adsorption dryer is equipped with shelf heating and programmable functions, suitable for laboratory use or small production, and can meet the requirements of most laboratories for routine freeze-drying. It is widely used in the fields of medicine, pharmacy, biological research, chemical industry and food. The freeze-dried articles are easy to be stored for a long time, and can be restored to the state before freeze-drying and maintain the original biochemical properties after adding water.

Three common questions about the -70℃ adsorption dryer

Q1: What kind of alarm usually appears on the refrigerated desiccant machine?

A: According to the design of each manufacturer, there are usually motor overload alarm, high-pressure alarm, and high-pressure dew point alarm. There are motor thermal protection and high and low voltage alarms. The solution is: eliminate the possibility of motor overload; adjust the working conditions to solve the alarm of high condensing pressure and low evaporating pressure.

Q2: How can I know the moisture content in the compressed air after passing through the refrigerated dryer? After passing through the freeze dryer, will the moisture of the compressed air change with the length of the pipeline

A: The accurate test can only pass the pressure dew point test. But this test is more troublesome, and the test instrument is expensive. The pressure dew point should not change with the length of the pipeline.

Q3: The condensate of the dryer is green, and the compressed gas is the same

A: It is inferred from the reported situation that there is copper rust inside the aftercooler. Please check whether there is any gas corrosive to copper in the environment.

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