In addition, when filtering, the filtration rate increases as the temperature of the oil increases, and decreases as the filter cake thickens on the filter cloth. General oil temperature should be 50 °C -65 °C is appropriate (different oils with different temperatures), when the filter residue is too thick, the filter capacity greatly reduced, must remove the filter residue.
Operation Note <br> <br> to note the difference between vacuum oil and other types of oil filter, oil filter that is, to protect the safety of the work of personnel, equipment, but also to safeguard the security filter transformer; oil filter runtime Precautions:
Pay attention to the difference between the vacuum oil filter and other types of oil filter, that is, to ensure the safety of personnel and equipment in the oil filtering work, but also to protect the safety of the transformer being filtered; Note on the operation of the oil filter:
1. When used in the field, the oil filter should be as close as possible to the transformer or oil tank. The suction pipeline should not be too long, so as to reduce the pipeline resistance as much as possible.
2. The connecting pipe (including the fuel tank) must be thoroughly cleaned in advance and have a good seal.
3, in strict accordance with the operating procedures. When starting the oil filter, the oil product must be recycled after the vacuum pump, oil pump and heater are operating normally and the internal circulation is good.
4. The purified oil contains a lot of mechanical impurities and free water. It is necessary to remove the bottom moisture and impurities in advance, and then use other vacuum filter equipment (such as centrifugal oil filter, pressure oil filter) to fully filter out to meet the requirements of vacuum oil filter oil standards, before the vacuum oil filter can be used Filtration to affect the life of the oil filter.
5. During operation, the working conditions of the oil filter (such as vacuum, flow rate, temperature, etc.) should be strictly monitored, and the quality (breakdown voltage, etc.) before and after the oil treatment should also be regularly monitored. To monitor the purification effect of the oil filter.
6. During the winter season, pipelines, vacuum tanks and other components shall be insulated. When the substation oil is filtered, it must also comply with the relevant provisions of the plate-frame filter oil industry electromechanical industry safety work regulations issued by the electric power industry.
Nickel-based alloy wire owns good resistance to high reactive gases, caustic resistance medium and acid corrosion performance, and also owns high strength, good capability of shaping, hot and cold forming and welding deformation. Therefore it is widely used in petroleum chemical industry, metallurgy, atomic energy, ocean development, aviation, aerospace to solve the problem that general industry, stainless steel and other metals, non-metallic materials engineering corrosion problems could not be solved,it is a very important kind of corrosion resistant metal materials. Nickel based alloys are nickel based alloys that contain alloy elements and which can be resistant to corrosion in a number of media. To classify the chemical composition characteristics, mainly nickel, nickel copper alloy, nickel alloy, nickel chromium molybdenum (Nie Mutie) (iron nickel alloy), nickel chromium molybdenum (including Ni Cr Mo alloy and Ni Cr Mo Cu alloy) and nickel iron chromium (both iron nickel alloy) and other types of. Pure nickel welding wire ERNi-1 for welding of 200, 201 nickel alloy and nickel plated steel plate; steel and nickel dissimilar materials welding; steel surface surfacing.
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