Seek input on the injection locations for blending used oil and mixed oils (diesel, wax oil) in atmospheric and vacuum distillation units, as well as the amount to be blended
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Seek input on the injection locations for blending used oil and mixed oils (diesel, wax oil) in atmospheric and vacuum distillation units, as well as the amount to be blended My device is mixed into the crude oil tank, but the mixing effect is very poor; shock electrodesalination is used. Dear experts, please share your valuable suggestions
It’s added before it enters the device or before reaching the initial distillation tower. Previously, we thought that water content could affect the operation of the initial distillation tower, but after adding it, there was no issue with that tower. Personally, I think as long as the amount added is small, it doesn’t matter where it’s added
I’m not sure where the contaminated oil you’re referring to comes from. The contaminated oil used in my reprocessing process comes from the oil produced by the acidic water stripping unit, as well as from the oil separated out in the wastewater treatment unit; the atmospheric and vacuum distillation units cannot handle such oil
When reprocessing contaminated oil, it is generally mixed with the feedstock and fed into the unit; sometimes, to avoid affecting the water separation in electrodialysis, the amount of this mixed oil is reduced appropriately.
Considering shock electrodesalination, and with diesel and wax oil as the materials to be processed, it is possible to incorporate them initially and then send them to a heating furnace for further heating; this should result in minimal shock
If it contains sulfur and has not undergone electrodesalting, how should corrosion in the atmospheric pressure column be addressed?
Blend separately, or mix into the crude oil tank?
Adding it to the crude oil in the device will affect electrodialysis. Adding it to the flash tower will corrode the atmospheric distillation column top; it’s a dilemma
It is pumped into the defective diesel tank, and then the contaminated oil is fed into the electrodesorption unit via the pump installed in that defective tank； But it does affect the operation of electrodialysis; both the salt content after desalination and the color of the water produced by electrodialysis are affected
Entering the crude oil tank allows for initial dehydration and the settlement of some impurities. The amount of contaminated oil used in blending is usually small; mixing it thoroughly with the crude oil before sending it to the electrodesalination tank reduces the impact on the operation of that tank, which in turn helps to improve the desalination process and minimize the effects on subsequent equipment. However, during the blending process, it is necessary to monitor the electrodeionization level carefully, adjust the dosage of the demulsifier as well as the proportion of contaminated oil used, in order to prevent excessive current levels.