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Novel FLNG heat exchanger with Z-shaped channel flow

A heat exchanger and channel technology, applied in the field of FLNG heat exchangers, can solve the problems of low heat exchange efficiency, large spacing of heat exchange fins, and small heat exchange area, and achieve uniform distribution, avoid waste, and heat exchange. uniform effect

Inactive Publication Date: 2019-11-12
JIANGSU UNIV OF SCI & TECH +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The above-mentioned heat exchanger has only one heat exchange container, and the heat exchange fin spacing is relatively large, the heat exchange area is small, and the heat exchange efficiency is not high

Method used

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  • Novel FLNG heat exchanger with Z-shaped channel flow
  • Novel FLNG heat exchanger with Z-shaped channel flow
  • Novel FLNG heat exchanger with Z-shaped channel flow

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Embodiment Construction

[0031] The following embodiments can make those skilled in the art understand the present invention more comprehensively, but do not limit the present invention to the scope of the described embodiments.

[0032] like Figure 1-Figure 7 A new type of FLNG heat exchanger with a Z-shaped channel is shown, including a heat exchange cylinder. When the heat exchange cylinder is placed horizontally, the long axis direction of the heat exchange cylinder is defined as the first direction A1, and the vertical direction is vertical. The direction in the first direction is the second direction A2.

[0033] There are a pair of heat exchange cylinders, which are distributed side by side along the horizontal direction perpendicular to the first direction, namely heat exchange cylinder 1a and heat exchange cylinder 1b:

[0034]There is a heat exchange cavity in the heat exchange cylinder 1a, and a pair of heat exchange cavities are also arranged in the heat exchange cylinder 1a, which are d...

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Abstract

The invention relates to a novel FLNG heat exchanger with a Z-shaped channel flow. The novel FLNG heat exchanger comprises a heat exchanging cylinder, wherein a heat exchanging cavity is formed in theheat exchanging cylinder and is divided into a material feeding cavity, a replacement cavity and a material discharging cavity; a heat exchanging core is mounted in the replacement cavity and comprises a heat exchanging core box; two types of channel flow groups are mounted in the heat exchanging core box and are a liquid channel flow group and a gas channel flow group; the liquid channel flow group and the gas channel flow group are arranged at an interval; channel flows in the gas channel flow group are Z-shaped; and the channel flows in the liquid channel flow group are linear type. The novel FLNG heat exchanger has the following advantages: the Z-shaped flow channels and the linear type flow channels with different shapes are arranged in the heat exchanging core, so that space waste of the core is effectively avoided, the flow channels are closely arranged to improve the heat transmission efficiency, and the collected natural gas is rapidly cooled to LNG to realize rapid transportation and allocation of natural gas.

Description

technical field [0001] The invention relates to an FLNG heat exchanger, in particular to a new type of FLNG heat exchanger with Z-shaped channels. Background technique [0002] Natural gas is a one-time energy source and a high-value chemical raw material. Its main component is methane, which has the characteristics of high combustion calorific value and less pollution. In recent years, with the increasing awareness of environmental protection in various countries, the world's energy structure is gradually changing, and natural gas is becoming one of the most popular energy sources. However, the development of offshore natural gas fields not only has severe environment, complex technology, and huge investment, but also has a long construction period of exploration and development capacity, high investment returns and high risks. In addition, there are a large number of offshore marginal gas fields with considerable reserves. If traditional development methods are used, it i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28D21/00
CPCF28D21/00F28D2021/007
Inventor 刘昆殷志锋王自力李遥俞同强柯力王加夏景宝金蒋志勇谷家扬俞孟蕻
Owner JIANGSU UNIV OF SCI & TECH
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