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Retractable mixing device and method

A mixer and mixed storage technology, applied in the field of fluid devices, can solve problems such as container leakage

Inactive Publication Date: 2015-11-25
SPX FLOW INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is currently no provision to remove the shaft and impeller from the storage tank without breaking the container seal which could result in a significant leak from the container

Method used

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  • Retractable mixing device and method

Examples

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Embodiment Construction

[0028] The present invention provides a retractable impeller of a storage tank mixing system and method for retracting the impeller from the storage tank. For the purpose of disclosure, the term "storage tank" and variations thereof refer to any vessel or container of any suitable size or shape and containing any suitable fluid. In a particular example, one or more storage tanks described herein may be suitable for holding tens, hundreds, thousands, millions of liters, etc. of fluid. In a specific example, the fluid may be a petroleum product stored in a storage tank having a relatively large volume, for example, several hundred to several million barrels.

[0029] figure 1 It is a simplified cross-sectional view of the storage tank mixing system 10 in the first form according to an embodiment of the present invention. Such as figure 1 As shown, the storage tank mixing system 10 includes a storage tank 12 and an impeller assembly 14. The storage tank 12 is configured to contain...

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PUM

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Abstract

A system 10 for mixing a fluid in a tank 12 includes a mixer assembly 14, a housing 28, and an actuator 34. The mixer assembly 14 has a motor 30, a shaft 24, and an impeller 22. The housing 28 is disposed in a side wall 18 of the tank 12. The housing 28 has sufficient volume to contain the impeller 22. The actuator 34 is configured to retract the mixer assembly 14 and draw the impeller 22 into the housing 28. The mixer assembly 14 has a first conformation and a second conformation. In the first conformation the impeller 22 is disposed in a main portion of the tank 12 and configured to mix the fluid in response to rotation of the impeller 22 via the motor 30 and shaft 24. In the second conformation the impeller 22 is disposed in the housing 28 and out of the main portion of the tank 12.

Description

Technical field [0001] The present invention generally relates to a mixing device and method. More particularly, the present invention relates to a device and method for mixing fluid provided in a storage tank. Background technique [0002] It is well known that fluids stored in storage tanks usually deposit. The deposition of some fluids may be inconsequential or even ideal. However, in other fluids, deposits can be harmful. For example, in petroleum products, deposits may cause bottom components to condense or concentrate at or near the bottom of the storage tank-which damages the storage tank and reduces the quality of the petroleum product stored therein. Generally, this problem is called bottom sediment and water (BS&W). [0003] Gasoline and crude oil storage tanks are usually agitated for product mixing, homogenization, and suspension of sediment and water. Since this type of storage container typically has a very large diameter and a relatively short height, top-entry ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F7/04B01F27/71
CPCB01F7/00008B01F7/00233B01F7/0095B01F7/06B01F27/2312B01F27/71B01F27/05B01F27/11
Inventor 安德鲁·克瑞斯欧恩伯尔德·吉格斯迈克尔·麦卡罗尔
Owner SPX FLOW INC
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