Water removal device for oil storage tank

A technology for oil storage tanks and oil tanks, which is applied in the direction of tank cars, immiscible liquid separation, railway car body parts, etc., and can solve problems such as high oil content in drainage, environmental pollution, and potential safety hazards
CN106742857BActive Publication Date: 2019-09-10LOGISTICAL ENGINEERING UNIVERSITY OF PLA +2
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
LOGISTICAL ENGINEERING UNIVERSITY OF PLA
Publication Date
2019-09-10

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Abstract

The invention provides a water removing device for an oil storage tank. The water removing device comprises an oil tank filtering separator and a floating ball device, a crude oil inlet pipe is arranged on the bottom of a tank body, and the oil tank filtering separator is used for carrying out oil-water separation on water-contained oil entering the tank body of the oil tank filtering separator through the crude oil inlet pipe; and an inlet of the floating ball device is connected with a liquid outlet in the top of the filtering separator, and oil entering the floating ball device is drained through a siphon device. By means of the oil-water separation process in inner circulation of the water removing device, water is separated and concentrated in the lower tank body of the device after hydrone enters the oil tank from the outside and before the hydrone forms large-scale water mass.
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Description

technical field

[0001] The invention relates to the technical field of oil storage tanks, in particular to a water removal device for oil storage tanks. Background technique

[0002] Microorganisms grow and multiply to form slime-like biofilms containing inorganic and organic debris. Biofilms can form on tank tops, in fuel, at tank bottoms and water interfaces, and on all system surfaces. Water activity is greatest at the interface such as oil and water, so the interface is most likely to form microbial groups or biofilms.

[0003] Biofilm populations produced by microbial contamination are directly involved in corrosion, leading to microporous leaks in tanks and pipelines. Sulfate-reducing bacteria and other anaerobic bacteria consume hydrogen ions, accelerating corrosion reactions. Hydrogen sulfide produced by sulfate-reducing bacteria acidifies the fuel and causes corrosion in the system; organic acids such as formic acid, acetic acid, and lactic acid with low molecula...

Claims

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