Horizontal tank body LNG recondenser

A horizontal tank and recondensation technology, which is applied in the field of liquefied natural gas vapor treatment, can solve the problems of single condensation method, poor vertical structure stability, and strong fluctuation of vertical tank liquid level, so as to achieve high condensation efficiency and easy liquid Good position control and structural stability

Active Publication Date: 2019-09-03
SINOPEC GUANGZHOU ENG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

To solve the technical problems in the prior art of single condensation means, strong liquid level fluctuations in the vertical tank, and poor stability of the vertical structure

Method used

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  • Horizontal tank body LNG recondenser
  • Horizontal tank body LNG recondenser
  • Horizontal tank body LNG recondenser

Examples

Experimental program
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Embodiment Construction

[0031] The present invention will be further described below in conjunction with accompanying drawing:

[0032] A horizontal LNG recondensing device, the horizontal tank body 1 is composed of a horizontal cylindrical body and sealing heads at both ends thereof. The condensing space mainly includes direct condensing space 15 and stuffing condensing space 16. The direct condensing space 15 is a constant liquid level in an overflow state. The fluctuating and fluctuating liquid level is about 100-150mm away from the upper edge of the middle partition 5; the core components mainly include the LNG injection plate 12, the BOG baffle 6 / 8 with holes at the left end, and the BOG baffle 7 / 9 with holes at the right end , intermediate partition 5, packing bottom plate 11, packing top plate 10; the main opening of the container mainly includes bottom BOG inlet 3, top LNG inlet 2, LNG outlet 4, etc.

[0033] The top LNG inlet 2 communicates with the LNG buffer space, and is installed vertic...

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PUM

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Abstract

The invention discloses a horizontal tank body LNG recondenser, the tank structure of the horizontal tank body LNG recondenser is a horizontal tank body, and is characterized in that an LNG injectionplate, a left opening BOG baffle plate, a right opening BOG baffle plate, a middle baffle plate, a filler bottom plate and a filler top plate are arranged in the horizontal tank body. The horizontal tank body LNG recondenser adopts a process combining direct contact condensation and filler condensation, and is a process structure with higher condensation efficiency. The two condensation processesgreatly improve the condensation efficiency of the recondenser, and the horizontal tank body LNG recondenser is a process structure which is easy to control and operate.

Description

technical field [0001] The invention belongs to the technical field of a liquefied natural gas (LNG) recondenser, and in particular relates to a liquefied natural gas boil-off gas (BOG) processing technology. Background technique [0002] The BOG recovery and treatment process at the LNG receiving station mainly includes direct compression and export, condensing into LNG through a recondenser, pressurization, gasification and export. The direct compression and export process requires downstream supporting low-pressure users or low-pressure export pipeline networks. However, the downstream export pipeline network of domestic LNG receiving stations is generally a high-pressure pipeline network and lacks related supporting industries, so all BOG gas is treated with recondensation process, and this process is often used abroad. [0003] When LNG evaporated gas adopts the recondensation recovery process, the recondenser is the main equipment in the process system, and plays a key...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L3/10
CPCC10L3/10
Inventor 常征王以斌何建明姚建军王文昊郭维军李战杰李津王惠勤
Owner SINOPEC GUANGZHOU ENG
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