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Horizontal double-layer buried storage tank

A double-layer, horizontal technology, applied to fixed-capacity gas storage tanks, pressure vessels, mechanical equipment, etc., can solve problems such as energy loss of low-temperature pressure vessels, achieve the effects of reducing heat leakage, simple structure, and saving floor space

Active Publication Date: 2014-12-24
ZHANGJIAGANG CIMC SANCTUM CRYOGENIC EQUIP +2
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a horizontal double-layer buried storage tank to solve the problem of serious energy loss of existing low-temperature pressure vessels

Method used

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  • Horizontal double-layer buried storage tank
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  • Horizontal double-layer buried storage tank

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Embodiment Construction

[0033] Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments described here are for illustration only, and are not intended to limit the present invention.

[0034] Such as figure 1 As shown, the horizontal double-layer buried storage tank of the present invention is used for storing LNG cryogenic liquid. The horizontal double-layer buried storage tank includes: an outer container 1, an inner container 3, a pump pool 100, a submersible pump 4, and various pipelines.

[0035] The outer container 1 includes an outer cylinder body, an outer left head 7 and an outer right head 10 welded to both ends of the cylinder body, and outer cylinder reinforcement rings. Both ends of the bottom of the outer cylinder are provided with saddle supports 6, and both ends of the top are provided with lifting lugs 9. The outer container 1 can be completely buried below the ground, for e...

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Abstract

The invention provides a horizontal double-layer buried storage tank used for storing LNG. The storage tank comprises an outer container which can completely be buried underground, an inner container arranged inside the outer container, a pump sump arranged at a vacuum insulation interlayer between the outer container and the inner container, an immersed pump disposed at the bottom inside the pump sump, a drain pipe connected with a liquid outlet of the immersed pump, a pump-back air-pipe and a bottom communicating pipe communicating the lower part of the pump sump and the bottom of the inner container. The upper end portion of the pump sump extends out of the top of the outer container. An imbibition port of the immersed pump is lower than the bottom end portion of the inner container. According to the invention, the pump sump, the immersed pump and the tank body are integrated as a whole, and the whole body can be buried underground. There is no need to specially build thermal insulation facilities such as a cryogenic pump sump and the like. Therefore, a lot of manpower, material and financial resources are saved, and it is energy saving and environmentally friendly to use the horizontal double-layer buried storage tank.

Description

technical field [0001] The invention relates to the application field of pressure vessels, which are mainly used in gas filling stations and are the main supporting facilities of the gas filling stations, in particular to a horizontal double-layer buried storage tank for storing LNG. Background technique [0002] At present, most cryogenic storage tanks are placed on the ground, mostly with a double-layer structure, and most of the media contained are cryogenic liquids, such as liquid oxygen, liquid nitrogen, liquid argon, liquid natural gas (LNG), liquid carbon dioxide, liquid ethylene, etc. , The requirements for supporting pipelines related to the storage tank are relatively high, and due to factors such as fire safety, the requirements for the space around the storage tank are relatively large. [0003] At the same time, in the low-temperature pressure vessel placed on the ground, when the low-temperature liquid is transferred through the pump, in order to ensure that th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17C1/00
Inventor 赵春云邱国洪徐小艳王淑华
Owner ZHANGJIAGANG CIMC SANCTUM CRYOGENIC EQUIP
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