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Filtration and Dehydration System of Hydraulic Oil
Hydraulic filtration system is the use of pressure forced to allow oil through the oil filter with the passage of the filter, through the filter paper barrier effect, the oil impurities removed, if coupled with the heat to remove the water effect is better, the general filter Oil paper a few dollars a, with a few stacked together (with the isolation plate on the line), so that oil pressure through the filter paper, to achieve the effect of filtration. Composed of pressure pumps, filter paper, fuel tanks, pipelines and so on.
Hydraulic oil contaminants are mainly solid particles, moisture, air and chloride. In practice and research, it is recognized that the deterioration of hydraulic oil performance is one of the main reasons for water into the hydraulic oil. In the hydraulic oil dehydration purification research, far better than pollution particles filter research carried out in-depth and extensive. The reason for this is:
A. The lack of awareness of the hazards of water pollution. When the water content of oil is low, it is not enough to cause stuck and other sudden accidents. In fact, the deterioration of oil performance caused by water pollution causes the wear of the components (including chemical corrosion, resulting in the work of the material) than the impact of particle pollution on the system is not inferior. Particulate polluted oil can be recovered by filtration and purification, and the deterioration of oil caused by water pollution, but also a large number of oil scrapped.
B. Technical difficulty. Particulate pollution purification is a solid-liquid separation technology, and water pollution purification is liquid-liquid separation technology, so the two in the technical treatment is very different. In addition, due to viscosity, oil and water interface tension and other physical parameters, making the removal of water from the hydraulic oil work is very difficult.
Based on the above reasons, greatly limits the hydraulic oil dehydration technology theoretical research and practical technology development. It can be said that for the hydraulic oil efficient and efficient dewatering technology is still blank.
Water in the state of the hydraulic oil: hydraulic oil in the custody, storage, transportation, pumping and use of the process will enter the water. Moisture in the hydraulic oil will show a different state.
1) Dissolve water
The moisture dissolved in the hydraulic oil is a homogeneous single phase material together with the hydraulic oil. The solubility of water in hydrocarbons is low. Because hydrocarbon molecules are much larger than water molecules, the dipole moment is particularly low and the polarization is weak. There is no hydrogen bond between the water and the hydrocarbon molecules, and the attraction between them is dependent on the induced and dispersive forces. Aromatic hydrocarbons and unsaturated hydrocarbons, their molecules can be associated with water molecules within a certain limit.
The water dissolved in the hydrocarbon is not ionized into ions, but in a single molecular state, between the hydrocarbon molecules, in most of the hydrocarbons are not associated, until the saturation concentration. The solubility of water in hydraulic oil is mainly affected by external factors such as temperature, humidity and pressure. The solubility of water is generally related to the above parameters.
In addition, the depth of the hydraulic oil also affects the dissolution of water. The thickness of the oil in the tank increases, affecting the diffusion of moisture, resulting in changes in water solubility.
2) free water
Free water presents a second phase in hydraulic oil. Free water and oil in the dissolved water was balanced state. Water droplets were different size, the state is very unstable, under the action of various forces, the performance of suspension, mutual association or gradual settlement and precipitation of water and other states.
3) emulsified water
When the free water is surrounded by the emulsion film, the formation of emulsified water, emulsified water will be relatively stable.
July 13,2017.
Filtration and Dehydration System of Hydraulic Oil of Acore Filtration Corporation www.acoreoilpurifier.com
Liquid on the solid surface of the wetting phenomenon can be divided into wet, wet and spread of three, spreading is wetting conditions. In other words, if the water can spread on the solid surface, it will also be able to wet and wet the solid. The wetting performance is measured by the size of the contact angle (or wetting angle)
introductionHydraulic filtration system is the use of pressure forced to allow oil through the oil filter with the passage of the filter, through the filter paper barrier effect, the oil impurities removed, if coupled with the heat to remove the water effect is better, the general filter Oil paper a few dollars a, with a few stacked together (with the isolation plate on the line), so that oil pressure through the filter paper, to achieve the effect of filtration. Composed of pressure pumps, filter paper, fuel tanks, pipelines and so on.
Hydraulic oil contaminants are mainly solid particles, moisture, air and chloride. In practice and research, it is recognized that the deterioration of hydraulic oil performance is one of the main reasons for water into the hydraulic oil. In the hydraulic oil dehydration purification research, far better than pollution particles filter research carried out in-depth and extensive. The reason for this is:
A. The lack of awareness of the hazards of water pollution. When the water content of oil is low, it is not enough to cause stuck and other sudden accidents. In fact, the deterioration of oil performance caused by water pollution causes the wear of the components (including chemical corrosion, resulting in the work of the material) than the impact of particle pollution on the system is not inferior. Particulate polluted oil can be recovered by filtration and purification, and the deterioration of oil caused by water pollution, but also a large number of oil scrapped.
B. Technical difficulty. Particulate pollution purification is a solid-liquid separation technology, and water pollution purification is liquid-liquid separation technology, so the two in the technical treatment is very different. In addition, due to viscosity, oil and water interface tension and other physical parameters, making the removal of water from the hydraulic oil work is very difficult.
Based on the above reasons, greatly limits the hydraulic oil dehydration technology theoretical research and practical technology development. It can be said that for the hydraulic oil efficient and efficient dewatering technology is still blank.
Water in the state of the hydraulic oil: hydraulic oil in the custody, storage, transportation, pumping and use of the process will enter the water. Moisture in the hydraulic oil will show a different state.
1) Dissolve water
The moisture dissolved in the hydraulic oil is a homogeneous single phase material together with the hydraulic oil. The solubility of water in hydrocarbons is low. Because hydrocarbon molecules are much larger than water molecules, the dipole moment is particularly low and the polarization is weak. There is no hydrogen bond between the water and the hydrocarbon molecules, and the attraction between them is dependent on the induced and dispersive forces. Aromatic hydrocarbons and unsaturated hydrocarbons, their molecules can be associated with water molecules within a certain limit.
The water dissolved in the hydrocarbon is not ionized into ions, but in a single molecular state, between the hydrocarbon molecules, in most of the hydrocarbons are not associated, until the saturation concentration. The solubility of water in hydraulic oil is mainly affected by external factors such as temperature, humidity and pressure. The solubility of water is generally related to the above parameters.
In addition, the depth of the hydraulic oil also affects the dissolution of water. The thickness of the oil in the tank increases, affecting the diffusion of moisture, resulting in changes in water solubility.
2) free water
Free water presents a second phase in hydraulic oil. Free water and oil in the dissolved water was balanced state. Water droplets were different size, the state is very unstable, under the action of various forces, the performance of suspension, mutual association or gradual settlement and precipitation of water and other states.
3) emulsified water
When the free water is surrounded by the emulsion film, the formation of emulsified water, emulsified water will be relatively stable.
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acorefiltration
sales@acorefiltration.com
+8613206063693
+86 23 8132 4618