Hydraulic oil is a hydraulic mechanical blood that has the functions of transmitting power, reducing friction between components, isolating worn surfaces, imagining floating contaminants, controlling surface oxidation of components, and cooling hydraulic components. Therefore, whether the hydraulic oil is clean, not only affects the working performance of the hydraulic system and the service life of the hydraulic components, but also directly relates to whether the machine can work normally. The failure of hydraulic machinery is directly related to the degree of hydraulic pollution, so controlling hydraulic oil pollution is very important.
First, the source of hydraulic oil pollutants
1. Solid contaminants: pipes from hydraulic systems, hydraulic components such as hydraulic cylinders, hoses, pumps, motors, valves, hydraulic tanks, etc., are not flushed before the system is used. When the hydraulic system is working, the pollutants enter the hydraulic system. In the oil.
2. Invasive pollutants: external air, water, dust, solid particles, in the hydraulic system working process, through the hydraulic cylinder piston rod, hose joints, hydraulic tank, air filter, etc. into the hydraulic oil.
3, internal generation of pollutants: hydraulic system assembly, operation, commissioning and hydraulic oil deterioration also continuously produce pollution, directly into the hydraulic oil, such as metal and sealing materials wear particles, oil absorption, oil return filter particles and fibers, hydraulic The oil is gelled due to the increase in oil temperature and oxidative deterioration, and the suction pipe is not tightly sealed to cause inhalation of air.
4. Pollution caused by maintenance, maintenance and repair: replacing the filter element and hydraulic oil during the normal maintenance of the equipment, cleaning the fuel tank, repairing and disassembling the hydraulic cylinder, valve, etc. will also cause the solid particles, water, air, fiber, etc. to enter the hydraulic pressure. In the oil.
Second, the various hazards brought about by pollution
Generally, the hydraulic oil used in hydraulic machinery is often used as waste oil due to improper use and management, which not only causes unnecessary waste, but also increases maintenance costs and environmental pollution. Hydraulic oil is used in high temperature and high pressure for a long time. It will produce carbon deposits and sludge due to oxidation, and it will produce abrasive particulate impurities due to mechanical operation. In addition, it will gradually cause oil quality due to environmental dust pollution and water intrusion. Pollution and deterioration, and the hydraulic oil with degraded pollution runs in the machine, which will make the movement of the valve member not smooth, affecting the accuracy and stability of the machine, and causing the blockage to stop the production when the bad fault occurs seriously. Wear machinery, piston rings, bearings, oil valve and spare parts. It causes oil leakage and reduces the service life of the machine, thus increasing the large maintenance cost and production cost.
1. In the hydraulic system, solid particle pollution will cause: increase the surface corrosion and wear of the hydraulic components, increase the leakage, increase the oil temperature, reduce the pressure, low efficiency, slow response, instability, change the direction of motion, and reduce the speed of movement. The load capacity is reduced, the spool is stuck, and the electromagnetic coil is burned.
2. In the hydraulic system, water pollution will cause: oil deterioration (such as additive precipitation and oil oxidation), lubricating oil film thinning, corrosion and acceleration of metal surface fatigue failure, low temperature generation of cooling, fouling moving components, insulation oil insulation strength reduction .
Third, hydraulic oil is not a consumable
In the past, everyone mistakenly thought that the hydraulic oil would not be sticky after a period of use and needed to be replaced. In fact, it was not because it was contaminated and the hand touched without the lubrication of the new oil. Therefore, the oil is only dirty - not worn out, as long as the oil can be removed, the oil is still good, can continue to use, no need to replace.
In fact, to solve the problem of hydraulic cleanliness fundamentally, it can't be solved by oil change, because even if the oil of the hydraulic system tank is pumped, more than 30% of the old oil is still in the hydraulic system. When the new oil is injected, It is inevitably polluted by residual oil in the system, which greatly reduces the cleanliness of the hydraulic oil. Therefore, oil change can not solve the problem of improving cleanliness. Only when the hydraulic system is operated, the ultra-fine filter device is selected for circulation filtration. Improve the cleanliness of hydraulic oil. Fourth, the control of hydraulic oil pollution
It can be seen from the harm of pollution to the hydraulic system that the control of hydraulic oil pollution must be strengthened to ensure the normal operation of the hydraulic system.
Prevention is more important than treatment. For example, the ultra-fine filter device is used in the process of mechanical operation to remove the pollutants in the oil at any time, and the hydraulic oil is kept in the high cleanliness of the hydraulic system for a long time, which naturally reduces the oil pollution. Various drawbacks, the effect of prevention, increased the service life of hydraulic machinery and hydraulic components, reducing the mechanical failure rate. Thereby achieving the purpose of saving energy and reducing costs.
1. Control and reduce the pollution of solid particles. Filtration is an effective way to keep hydraulic oil clean. According to the sensitivity of hydraulic components to pollution, choose filters with different precisions, replace filter elements regularly, and keep hydraulic oil clean (Greece KLEENOIL) Microfiltration unit accuracy up to 1 micron)
2. The hose seal in the hydraulic system must be safe and reliable, and the air filter of the fuel tank must be replaced regularly. The filter element is equipped with a dustproof device to prevent dust and moisture from entering the hydraulic oil.
First, the source of hydraulic oil pollutants
1. Solid contaminants: pipes from hydraulic systems, hydraulic components such as hydraulic cylinders, hoses, pumps, motors, valves, hydraulic tanks, etc., are not flushed before the system is used. When the hydraulic system is working, the pollutants enter the hydraulic system. In the oil.
2. Invasive pollutants: external air, water, dust, solid particles, in the hydraulic system working process, through the hydraulic cylinder piston rod, hose joints, hydraulic tank, air filter, etc. into the hydraulic oil.
3, internal generation of pollutants: hydraulic system assembly, operation, commissioning and hydraulic oil deterioration also continuously produce pollution, directly into the hydraulic oil, such as metal and sealing materials wear particles, oil absorption, oil return filter particles and fibers, hydraulic The oil is gelled due to the increase in oil temperature and oxidative deterioration, and the suction pipe is not tightly sealed to cause inhalation of air.
4. Pollution caused by maintenance, maintenance and repair: replacing the filter element and hydraulic oil during the normal maintenance of the equipment, cleaning the fuel tank, repairing and disassembling the hydraulic cylinder, valve, etc. will also cause the solid particles, water, air, fiber, etc. to enter the hydraulic pressure. In the oil.
Second, the various hazards brought about by pollution
Generally, the hydraulic oil used in hydraulic machinery is often used as waste oil due to improper use and management, which not only causes unnecessary waste, but also increases maintenance costs and environmental pollution. Hydraulic oil is used in high temperature and high pressure for a long time. It will produce carbon deposits and sludge due to oxidation, and it will produce abrasive particulate impurities due to mechanical operation. In addition, it will gradually cause oil quality due to environmental dust pollution and water intrusion. Pollution and deterioration, and the hydraulic oil with degraded pollution runs in the machine, which will make the movement of the valve member not smooth, affecting the accuracy and stability of the machine, and causing the blockage to stop the production when the bad fault occurs seriously. Wear machinery, piston rings, bearings, oil valve and spare parts. It causes oil leakage and reduces the service life of the machine, thus increasing the large maintenance cost and production cost.
1. In the hydraulic system, solid particle pollution will cause: increase the surface corrosion and wear of the hydraulic components, increase the leakage, increase the oil temperature, reduce the pressure, low efficiency, slow response, instability, change the direction of motion, and reduce the speed of movement. The load capacity is reduced, the spool is stuck, and the electromagnetic coil is burned.
2. In the hydraulic system, water pollution will cause: oil deterioration (such as additive precipitation and oil oxidation), lubricating oil film thinning, corrosion and acceleration of metal surface fatigue failure, low temperature generation of cooling, fouling moving components, insulation oil insulation strength reduction .
Third, hydraulic oil is not a consumable
In the past, everyone mistakenly thought that the hydraulic oil would not be sticky after a period of use and needed to be replaced. In fact, it was not because it was contaminated and the hand touched without the lubrication of the new oil. Therefore, the oil is only dirty - not worn out, as long as the oil can be removed, the oil is still good, can continue to use, no need to replace.
In fact, to solve the problem of hydraulic cleanliness fundamentally, it can't be solved by oil change, because even if the oil of the hydraulic system tank is pumped, more than 30% of the old oil is still in the hydraulic system. When the new oil is injected, It is inevitably polluted by residual oil in the system, which greatly reduces the cleanliness of the hydraulic oil. Therefore, oil change can not solve the problem of improving cleanliness. Only when the hydraulic system is operated, the ultra-fine filter device is selected for circulation filtration. Improve the cleanliness of hydraulic oil. Fourth, the control of hydraulic oil pollution
It can be seen from the harm of pollution to the hydraulic system that the control of hydraulic oil pollution must be strengthened to ensure the normal operation of the hydraulic system.
Prevention is more important than treatment. For example, the ultra-fine filter device is used in the process of mechanical operation to remove the pollutants in the oil at any time, and the hydraulic oil is kept in the high cleanliness of the hydraulic system for a long time, which naturally reduces the oil pollution. Various drawbacks, the effect of prevention, increased the service life of hydraulic machinery and hydraulic components, reducing the mechanical failure rate. Thereby achieving the purpose of saving energy and reducing costs.
1. Control and reduce the pollution of solid particles. Filtration is an effective way to keep hydraulic oil clean. According to the sensitivity of hydraulic components to pollution, choose filters with different precisions, replace filter elements regularly, and keep hydraulic oil clean (Greece KLEENOIL) Microfiltration unit accuracy up to 1 micron)
2. The hose seal in the hydraulic system must be safe and reliable, and the air filter of the fuel tank must be replaced regularly. The filter element is equipped with a dustproof device to prevent dust and moisture from entering the hydraulic oil.
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