Internet Workstation

Edition and Publication

Edition and Publication:
< Natural Gas and Oil > Editorial Department
Hosted by:
China Petroleum Engineering & Construction Corporation Southwest Company
Authorized by:
China Petroleum Engineering & Construction Corporation
Co-hosted by:
Overseas Research Center of Research Institute of Petroleum Exploration and Development
Editor in Chief:
Du Tonglin
Vice Editor in Chief:
Tang Xiaoyong,Pu Liming
Address:
No.6, Shenghua Road, High-tech District, Chengdu, Sichuan, China
Postal Code:
610041
Tel:
028-86014709
028-86014500
Email:
cnpc-ngo@cnpc.com.cn
Issue:ISSN 1006-5539
          CN 51-1183/TE

Links

    Your Position ：Home->Past Journals Catalog->2016 Vol.4

    Study on Cold Insulation System of Full Containment LNG Storage Tanks and Its Performance
    Author of the article:Yang Sisang, Xiang Hua
    Author's Workplace：1.Sinopec Management Institute;2.Gubkin Russian State University of Oil and Gas
    Key Words：LNG; Large full containment storage tank; Cold insulation materials; Cold insulation installation; Quantity of heat leakage; Daily evaporation rate; Cold insulation design
    Abstract：To study the thermal insulation property and cold insulation system of LNG tanks of full containment, main cold insulation materials and its performance of each part of LNG tanks were provided with construction procedures and installation instruction for reference. Based on the overall structural features of large LNG storage tank, the paper analyzes the quantity of heat leakage respectively at the bottom, wall and top of the storage tank, and puts forward a computing method for both the quantity of heat leakage and the daily static evaporation rate of large full containment LNG storage tank. Taking certain overseas 200,000 cubic meter LNG storage tank as an example, the paper provides the calculation results of heat leakage quantity and the daily evaporation rate and verifies that its daily evaporation rate is satisfactory. From the analysis of main factors affecting the evaporation rate of LNG storage tank, the paper finds out "the best diameter" and "the optimal filling rate" relevant to the LNG storage tank. Through raising the thickness of cold insulation layer, adopting the cold insulation material with small coefficient of thermal conductivity, and filling the LNG storage tank with nitrogen, etc., the daily evaporation rate of storage tank can be lowered, and in this way a basis can be provided for the design of cold insulation system for LNG storage tank.

     


    CopyRight©2025Natural Gas and Oil Editorial Office Reserved 京ICP备11013578号-1