Improved processing method of plant insulating oil
A technology of vegetable insulating oil and treatment method, applied in the field of improved treatment of vegetable insulating oil, can solve the problems of low oxidation stability, no longer applicable, large kinematic viscosity and density, etc.
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Embodiment 1
[0036] A kind of improved processing method of vegetable insulating oil of the present embodiment, comprises the steps:
[0037] (1) The rapeseed oil plant insulating oil is pumped into the coalescence dehydration tank at 0.5L / s by a vacuum pump. At this moment, the water in the rapeseed oil plant insulating oil is in a saturated dissolved state, and the water content in the oil is ≤5%; Seed oil and vegetable insulating oil are circulated in the coalescing dehydration tank at a temperature of 25°C. At the same time, there is a filter in the coalescing dehydration tank with a pore size of 5 μm, and the cycle treatment time is about 3 hours. The oil can be removed through circulation. Partial moisture and impurities; the moisture in rapeseed oil plant insulating oil can be reduced to below 900mg / kg, which plays a role in preliminary filtering of impurities in the oil;
[0038] (2) Vacuum dehydration treatment of rapeseed oil plant insulating oil: vacuum pump the rapeseed oil pla...
Embodiment 2
[0042] A kind of improved processing method of vegetable insulating oil in the present embodiment, comprises the steps:
[0043](1) The soybean oil vegetable insulating oil is pumped into the coalescence dehydration tank by a vacuum pump at 0.5L / s. At this moment, the moisture in the soybean oil vegetable insulating oil is in a saturated dissolved state, and the moisture content in the oil is ≤5%; the soybean oil vegetable The insulating oil is circulated in the coalescing dehydration tank at a temperature of 25°C. At the same time, there is a filter in the coalescing dehydration tank with a pore size of 5 μm, and the cycle treatment time is about 3 hours. Part of the water and water in the oil can be removed through circulation. Impurities; the moisture in vegetable insulating oil can be reduced to less than 900mg / kg, which plays a role in preliminary filtering of impurities in the oil;
[0044] (2) Carry out vacuum dehydration treatment on soybean oil plant insulating oil: v...
Embodiment 3
[0048] A kind of improved processing method of vegetable insulating oil in the present embodiment, comprises the steps:
[0049] (1) The rapeseed oil plant insulating oil is pumped into the coalescence dehydration tank at 0.5L / s by a vacuum pump. At this moment, the water in the rapeseed oil plant insulating oil is in a saturated dissolved state, and the water content in the oil is ≤5%; Seed oil plant insulating oil is circulated in the coalescing dehydration tank at a temperature of 35°C. At the same time, there is a filter in the coalescing dehydration tank with a pore size of 5 μm, and the cycle treatment time is about 5 hours. The oil can be removed through circulation. Partial moisture and impurities; the moisture in rapeseed oil plant insulating oil can be reduced to below 900mg / kg, which plays a role in preliminary filtering of impurities in the oil;
[0050] (2) Vacuum dehydration treatment of rapeseed oil plant insulating oil: vacuum pump the rapeseed oil plant insula...
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