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Vaporizer for low-temperature liquefied gas

A technology for low-temperature liquefied gas and gasification device, which is applied in the installation device of container structure, refrigeration and liquefaction, gas processing application, etc., and can solve problems such as accelerated damage

Active Publication Date: 2013-02-27
KOBE STEEL LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the expansion and contraction of each component due to the temperature difference becomes severe, and if each structure is firmly fixed, excessive thermal stress due to the expansion and contraction may be generated, and damage or failure may be accelerated.

Method used

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  • Vaporizer for low-temperature liquefied gas
  • Vaporizer for low-temperature liquefied gas
  • Vaporizer for low-temperature liquefied gas

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no. 1 approach

[0026] The low-temperature liquefied gas vaporizer (hereinafter also simply referred to as "gasifier") according to this embodiment is a so-called open-frame system that vaporizes the low-temperature liquefied gas by exchanging heat between the supplied low-temperature liquefied gas and external seawater. Vaporizer (ORV). In this embodiment, liquefied natural gas (LNG) is used as the low-temperature liquefied gas.

[0027] Specifically, as Figure 1 ~ Figure 3 As shown in (B), the gasification device includes a plurality (two in this embodiment) of gasification tube groups 11, distribution pipes (inter-group distribution pipes) 12 for distributing LNG to each gasification tube group 11, supply-side group The inter-group neck 13, the collecting pipe (inter-group manifold) 14 for collecting LNG gasified in each gasification pipe group 11, that is, natural gas (NG), the sending-side inter-group neck 15, and the The seawater supply unit 30 supplies seawater so as to flow down th...

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Abstract

A vaporizer (10) for low-temperature liquefied gas is characterized by being provided with a plurality of vaporizing tube blocks (11) in each of which a plurality of vaporizing tube panels (16) in each of which a plurality of vaporizing tubes (21) for vaporizing the liquefied gas by heat exchange with the outside are disposed on a vertical plane are disposed in the direction orthogonal to the vertical plane, a dispensing tube (12) which is connected to the respective vaporizing tube blocks (11) and dispenses the liquefied gas to the respective vaporizing tube blocks (11), a collecting tube (14) which is connected to the respective vaporizing tube blocks (11) and collects and sends out the liquefied gas vaporized in the vaporizing tube blocks (11), and an inter-block pulsation suppressing means (13); which suppresses the propagation of pressure pulsation between the vaporizing tube blocks (11) connected to each other by the dispensing tube (12) and the collecting tube (14).

Description

technical field [0001] The present invention relates to a method for making liquefied natural gas (LNG), liquefied petroleum gas (LPG), liquid nitrogen (LN 2 ) and other low-temperature liquefied gas gasification device. Background technique [0002] Conventionally, a gasification device described in Patent Document 1 is known as a gasification device (ORV) for gasifying liquefied natural gas (LNG) by exchanging heat with seawater. [0003] Such as Figure 9 As shown, the gasification device is provided with a plurality of gasification tube groups 102, distribution pipes 104 for distributing low-temperature liquefied gas to each gasification tube group 102, and a collection of gasified liquefied gas collected in each gasification tube group 102. collecting tube 106 . Here, the distribution pipe 104 is a portion between the communicating gasification tube groups 102 in the piping for supplying the LNG pumped from the supply pump to the respective gasification tube groups 10...

Claims

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Application Information

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IPC IPC(8): F17C9/02F16L55/04
CPCF17C2221/033F17C2221/035F28F2265/30F17C2227/0393F25B39/02F17C2205/0142F28D2021/0064F17C2227/0318F17C9/02F28F9/0275F17C2225/0123F17C2223/0153F28D7/0041F17C2221/017F17C2270/0136F17C2223/033F17C2223/0161F17C2225/035F17C2265/05F28D3/02F28D3/04F28F9/026F28F27/02F16L55/04
Inventor 在原广敏上田宏树今西悦二郎西村真
Owner KOBE STEEL LTD
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