Liquid flushing and stirring system and method and oil storage tank
A mixing system and oil storage tank technology, applied in chemical instruments and methods, mixing methods, mixer accessories, etc., can solve problems such as secondary pollution of oil storage tanks, reduce tank cleaning costs, extend tank cleaning cycles, and reduce cleaning costs. The effect of pot risk
Pending Publication Date: 2021-11-16
PETROCHINA CO LTD
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- Abstract
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Problems solved by technology
[0007] The liquid washing and stirring method provided by the present invention solves the problem of collecting and treating impurities and sediments in the oil storage tank after stirring and stirring, and can effectively avoid the secondary pollution of other oil storage tanks due to the stirring and cleaning of the oil storage tank
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[0074] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0075] The terms "comprising" and "having" in the description and claims of the present invention and the above drawings, as well as any variations thereof, are intended to cover non-exclusive inclusion, for example, processes, methods, A system, product or device is not necessarily limited to those steps or elements explicitly listed, but ma...
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Abstract
The invention provides a liquid flushing and stirring system and method and an oil storage tank. The liquid flushing and stirring system comprises a flushing and stirring device, which is used for flushing and stirring liquid in an oil storage tank, and comprises a conveying pipe, a liquid inlet pipe, at least one spray head and a first control valve, wherein the at least one spray head is arranged on the liquid inlet pipe, the spray head is communicated with the liquid inlet pipe, the spray head is used for spraying liquid in the liquid inlet pipe into the oil storage tank, one end of the conveying pipe is positioned outside the oil storage tank, the other end of the conveying pipe penetrates into the oil storage tank and is communicated with the liquid inlet pipe, the first control valve is arranged on the liquid inlet pipe or the conveying pipe and used for controlling communication or separation of the liquid inlet pipe and the conveying pipe, and the conveying pipe is at least used for conveying the flushing and stirring liquid to the liquid inlet pipe. According to the liquid flushing and stirring system, the tank cleaning procedure can be simplified, the tank cleaning risk is reduced, the tank cleaning cost is reduced, deposition of aged oil at the tank bottom is reduced, and the quality of crude oil is improved.
Description
technical field [0001] The invention relates to the field of oil storage tank cleaning, in particular to a liquid washing and stirring system and method and an oil storage tank. Background technique [0002] After the oil storage tank has been used for a period of time, the impurities in the crude oil will deposit on the bottom and wall of the tank, which will reduce the effective capacity of the oil storage tank and affect the efficiency of the oil storage tank. Therefore, the oil storage tank needs to be inspected, maintained and Remove the sludge from the tank. [0003] At present, the domestic petroleum industry also adopts mechanical cleaning technology for cleaning petroleum storage tanks. The principle of mechanical cleaning technology is to form an oil jet of the same kind of crude oil to sequentially break up the sludge at the bottom of large crude oil storage tanks, pump it, separate it and recover it. This technology mainly uses the same kind of medium to stir a...
Claims
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Login to View More IPC IPC(8): B01F13/10B01F5/02B01F3/22B01F15/00B01F23/80
Inventor 李红星王卫军殷冀鹏陆嘉伟车刚林旭陈腊梅王自强
Owner PETROCHINA CO LTD