LIQUEFIED GAS TANK INCLUDING HOISTABLE INNER TUB, AND METHOD FOR HOISTING INNER TUB IN LIQUEFIED GAS TANK

Title:

LIQUEFIED GAS TANK INCLUDING HOISTABLE INNER TUB, AND METHOD FOR HOISTING INNER TUB IN LIQUEFIED GAS TANK

Document Type and Number:

WIPO Patent Application WO/2020/213781

Kind Code:

A1

Abstract:

The present invention relates to a liquefied gas tank including a hoistable inner tub, and a method for hoisting an inner tub in the liquefied gas tank, wherein an inner tub positioned inside a liquefied gas tank for storing a liquefied gas such as LNG can be hoisted to inspect for defects. The method for hoisting an inner tub in a liquefied gas tank according to the present invention comprises: a structure installation step (S110) in which, in a liquefied gas tank (10) having an inner tub (15) for accommodating a liquefied gas installed inside an outer wall (11), structures required for hoisting the inner tub (15) are installed on the inner tub (15) and a rafter (14) forming a frame in an upper portion of the tank (10); and a hoisting preparation step (S120) in which a hoisting means is installed on the rafter (14), and the hoisting means and the inner tub (15) are connected to each other through a main rope (35); and an inner tub hoisting step (S140) in which an operator manipulates the hoisting means to hoist the inner tub (15).

Inventors:

JUN JAE-HO (KR)
PARK IN-HYO (KR)
CHOI BU-IL (KR)
KIM KI-TAEK (KR)
LEE HO-JUN (KR)
SON GYU-SIK (KR)

Application Number:

PCT/KR2019/005207

Publication Date:

October 22, 2020

Filing Date:

April 30, 2019

Export Citation:

Click for automatic bibliography generation Help

Assignee:

KOREA GAS CORP (KR)

International Classes:

F17C13/00; B66C1/66; E04H7/02; F17C3/02

Foreign References:

KR101897255B1	2018-10-29
KR20170113770A	2017-10-13
JPH09112798A	1997-05-02
JP2010144864A	2010-07-01
KR101846428B1	2018-04-09

Other References: