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The Low Vacuum Dehydration technique is mainly used for separating moisture content from the oil which is present in three forms:
a) Dissolved Form
b) Emulsified Form
C) Free form

Working Principle

Heating of hydraulic oil is performed indirectly and then that is poured into a vacuum chamber where it is scattered into a very thin layer of film thereafter it vaporizes & get dissolved with gases at low temperature. How to separate water from oil?
Now both air and gases that is derived from the previous process is now left to condense so that it gets separated from the oil.
Our ultimate goal of heating oil indirectly at low temperature is to ensure that there is no burn off hence no oxidation and no additional depletion of oil.
Low vacuum dehydration machine



Low Vacuum Dehydration Machine works at site

Vacuum dehydration graph by destiny international

Low Vacuum Dehydration Machine & Degasification – LVDH Specification are manufactured & assembled with extremely minute care & research and as per industry standards.

Comparative analysis of Vacuum Dehydration With Centrifugal water removals:

CentrifugalVacuum Dehydration
Heating oil to Approximately between 70 to 80°C is required to efficiently extract waterWhereas in LVDH technology, the Water is removed from oil even less than < 55°C.
 Depleting anti-oxidation additiveNo additive depletion
Somewhat clears emulsified waterEasy & total removal of free & emulsified water
Somewhat cleans low molecular weight oxidized oil fractionEasily removes low molecular weight oxidized oil fraction
Centrifugal systems do not clean any dissolved gasClears the dissolved gasses very easily
It consumes very High energyAs compared to centrifugal system it consumes very low energy
Low Vacuum Dehydration Machine Results of Destiny International
The extracted low weight molecular oil gets accumulated in the hydraulic fluid and settles in oil. Hence (LVDH) low vacuum dehydration technique is used to clear the oil & ultimately bringing back oil to its original properties.
This technology mainly evolves around the basic fact that water boiling point is 100℃, and the vapour pressure above the water surface is atmospheric pressure but when we reduce the vapour pressure to a vacuum condition upto 750 torr, then the boiling point of water gets reduced from 100℃ to less than 55℃.

Low vacuum dehydration machines are used to :

• Extracts water from oil
• Removes moisture from oil

Low Vacuum Dehydration Machine Performance Analysis
Sr. No.Degrees of CleanlinessAdopting a Vacuum Dehydration Process
1100%Free and emulsified water alongside free gases
295%of dissolved water
390%of dissolved gases

Hence under this technique, there is a vacuumed chamber and a shower arrangement for the oil (mixed with moisture content). There is a heater arrangement which heats up the oil under controlled temperature settings of maximum 55℃ only, when the heated oil is showered inside the vacuum chamber under high vacuum, moisture particles would get evaporated or gets vaporized under the vacuumed condition thereby clears the moisture from oil. Hence Clean oil is collected at the bottom of the chamber and delivered into the system.

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