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LNG recondenser liquid distribution device

A technology of liquefied natural gas and condenser, which is applied in liquefaction, refrigeration, liquefaction, solidification, etc., can solve the problem of uneven distribution of liquid, and achieve the effect of stable and uniform distribution of liquid

Active Publication Date: 2020-05-19
SINOPEC GUANGZHOU ENG CO LTD +1
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] In order to solve the technical problem of uneven liquid distribution existing in the existing orifice plate liquid distribution device, the present invention provides a liquid distribution device for liquefied natural gas (LNG) recondenser, which can provide fine and reliable LNG distribution for the packing layer of the recondenser. Liquid, improve the mass transfer efficiency of the packing layer to improve the condensation efficiency of the entire recondenser

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  • LNG recondenser liquid distribution device
  • LNG recondenser liquid distribution device
  • LNG recondenser liquid distribution device

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with the accompanying drawings.

[0021] see Figure 1~6 , the liquid distribution device of the LNG recondenser provided by the present invention is in the shape of a disk as a whole, and is mainly composed of an LNG inlet pipe 1, a downcomer 5, a top plate 2, an intermediate plate 3, a bottom plate 4 and an annular outer cylinder 6; the top plate 2 , the middle plate 3 and the bottom plate 4 are layered from top to bottom, and the outer edges of the top plate 2, the middle plate 3 and the bottom plate 4 are respectively welded to the inner wall of the annular outer cylinder 6; the top plate 2, the middle plate 3 and the annular outer cylinder 6 are jointly Enclosing a reverse flow space, the middle plate 3, the bottom plate 4 and the annular outer cylinder 6 together form a liquid-filled space; the center of the top plate 2 is provided with a center hole 11 of the top plate, and the center of the mid...

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Abstract

The invention discloses a liquefied natural gas after-condenser liquid distribution device which is disklike integrally, and mainly consists of a LNG inlet pipe, a downcomer, a top plate, a middle plate, a bottom plate and an annular outer barrel; the top plate, the middle plate and the bottom plate are layered from the top down; a top plate center hole is formed in the center of the top plate; amiddle plate center hole is formed in the center of the middle plate; middle plate mounting holes and liquid lifting holes are formed in the middle plate; and bottom plate mounting holes are formed inthe bottom plate. Fine and reliable LNG liquid distribution can be provided for a packing layer of an after-condenser, and the mass transfer efficiency of the packing layer is improved, so that the condensing efficiency of the entire after-condenser is improved.

Description

technical field [0001] The invention belongs to the technical field of liquefied natural gas (LNG) processing, and in particular relates to a liquid distribution device for a liquefied natural gas (LNG) recondenser. Background technique [0002] When the LNG boil-off gas (BOG) adopts the recondensation recovery process, the recondenser is the main equipment in the process system, and plays a key role in the operation of the entire receiving station. Its main function is to provide sufficient contact between BOG and LNG Time and space prompt BOG to condense into LNG and act as the inlet buffer tank of the LNG high-pressure pump to ensure the inlet pressure of the high-pressure pump. [0003] The LNG recondenser is a type of tower, and its core gas-liquid contact components often use packing layers. The commonly used packing mainly includes randomly stacked packing Raschig rings, Pall rings, and structured packings. BOG and LNG are separated from the packing layer. The upper ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25J1/00C10L3/10
CPCC10L3/10F25J1/004
Inventor 常征王以斌何建明姚建军王文昊郭维军李战杰何龙辉王惠勤
Owner SINOPEC GUANGZHOU ENG CO LTD
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