JPS57184799A - Enclosing type retrieving method and device for powder heat insulator in tank - Google Patents

Enclosing type retrieving method and device for powder heat insulator in tank

Info

Publication number
JPS57184799A
JPS57184799A JP6650081A JP6650081A JPS57184799A JP S57184799 A JPS57184799 A JP S57184799A JP 6650081 A JP6650081 A JP 6650081A JP 6650081 A JP6650081 A JP 6650081A JP S57184799 A JPS57184799 A JP S57184799A
Authority
JP
Japan
Prior art keywords
powder body
tank
gas
powder
atmosphere
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP6650081A
Other languages
Japanese (ja)
Inventor
Akio Kasahara
Kunihiro Sako
Shigenori Mizuno
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IHI Corp
Original Assignee
IHI Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by IHI Corp filed Critical IHI Corp
Priority to JP6650081A priority Critical patent/JPS57184799A/en
Publication of JPS57184799A publication Critical patent/JPS57184799A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/001—Thermal insulation specially adapted for cryogenic vessels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0612—Wall structures
    • F17C2203/0626—Multiple walls
    • F17C2203/0629—Two walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/04—Methods for emptying or filling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Air Transport Of Granular Materials (AREA)

Abstract

PURPOSE:To prevent the scattering of the powder body into atmosphere by a method wherein the retrieving work of the powder heat insulator filled within the roof and the side board of a heat insulating tank is effected under a condition of shutting it out of the atmosphere. CONSTITUTION:Mixed body of the powder body and a gas for mixing filled into the space 4 of the heat insulating tank 1 is transported into a powder body separating tank 7 from the powder body sucking port 6a of a powder body retrieving nozzle 6. A part of the gas for mixing, which is separated in the powder body separating tank 7, is returned into the space 4 of the heat insulating tank 1 from the return gas passageway 6g of the powder body retrieving nozzle 6 through a filter 15 and a return gas pipeline 14 while the other part thereof is returned from the roof 2b to the same tank through the same filter and pipeline respectively. The powder body, from which the gas for mixing is withdrawn already, is sunk and deposited at the lower part of the separating tank 7 and, thereafter, is transported therefrom, therefore, the powder body will never be scattered into the atmosphere.
JP6650081A 1981-05-01 1981-05-01 Enclosing type retrieving method and device for powder heat insulator in tank Pending JPS57184799A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6650081A JPS57184799A (en) 1981-05-01 1981-05-01 Enclosing type retrieving method and device for powder heat insulator in tank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6650081A JPS57184799A (en) 1981-05-01 1981-05-01 Enclosing type retrieving method and device for powder heat insulator in tank

Publications (1)

Publication Number Publication Date
JPS57184799A true JPS57184799A (en) 1982-11-13

Family

ID=13317598

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6650081A Pending JPS57184799A (en) 1981-05-01 1981-05-01 Enclosing type retrieving method and device for powder heat insulator in tank

Country Status (1)

Country Link
JP (1) JPS57184799A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61110000U (en) * 1984-12-24 1986-07-11
JPS6235199A (en) * 1985-08-07 1987-02-16 Mitsui Constr Co Ltd Device for removing and collecting granular heat insulating material from double-shell low tmeperature tank
JPS6237594A (en) * 1985-08-09 1987-02-18 Nippon Kokan Kk <Nkk> Method of collecting filling material of double shell storing tank
JPS6237596A (en) * 1985-08-09 1987-02-18 Nippon Kokan Kk <Nkk> Method of collecting filling material of double shell storing tank
JP2017060447A (en) * 2015-09-25 2017-03-30 株式会社クボタ Granule supply apparatus

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61110000U (en) * 1984-12-24 1986-07-11
JPS6235199A (en) * 1985-08-07 1987-02-16 Mitsui Constr Co Ltd Device for removing and collecting granular heat insulating material from double-shell low tmeperature tank
JPS6237594A (en) * 1985-08-09 1987-02-18 Nippon Kokan Kk <Nkk> Method of collecting filling material of double shell storing tank
JPS6237596A (en) * 1985-08-09 1987-02-18 Nippon Kokan Kk <Nkk> Method of collecting filling material of double shell storing tank
JP2017060447A (en) * 2015-09-25 2017-03-30 株式会社クボタ Granule supply apparatus

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