JPS55112887A - Starting method for pump of gas tank for liquefied gas - Google Patents

Starting method for pump of gas tank for liquefied gas

Info

Publication number
JPS55112887A
JPS55112887A JP2073879A JP2073879A JPS55112887A JP S55112887 A JPS55112887 A JP S55112887A JP 2073879 A JP2073879 A JP 2073879A JP 2073879 A JP2073879 A JP 2073879A JP S55112887 A JPS55112887 A JP S55112887A
Authority
JP
Japan
Prior art keywords
pump
gas
tank
pipe
valve
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
JP2073879A
Other languages
Japanese (ja)
Inventor
Akira Okura
Kunimitsu Fukuchi
Masakazu Andou
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.)
JFE Engineering Corp
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
NKK Corp
Nippon Kokan Ltd
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 Toyota Motor Corp, NKK Corp, Nippon Kokan Ltd filed Critical Toyota Motor Corp
Priority to JP2073879A priority Critical patent/JPS55112887A/en
Publication of JPS55112887A publication Critical patent/JPS55112887A/en
Pending legal-status Critical Current

Links

Landscapes

  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Control Of Positive-Displacement Pumps (AREA)

Abstract

PURPOSE: To prevent seizure of a mechanical seal in a pump by arranging a discharge pipe and a pump at a position lower than a tank, introducing liquefied gas into the pipe and starting the pump after removing any residual gas.
CONSTITUTION: When a pump 1 is started, are opened a main valve 5 and an emergency cut-off valve 6 which are arranged on the base part of the pipe 3 which is in turn arranged at a position lower than a tank 1, and on the tank 1 base part of a returning pipe 9, a check valve 10 and an original valve 11 arranged in combination are opened. When a switch not shown in the figure, of a controller 12 is pushed, is opened the automatic valve 13 which is connected with the controller and arranged on the returning pipe 9. As a result of this, the liquefied gas 8 in the tank 1 flows down, passing through the discharge pipe 3, and the residual gas in the discharge pipe 3, pump 4, and the returning pipe 9 is returned back into the gas phase part A due to the difference of the head. Accordingly, as removal of gas is performed comletely in pump 4 starting, damage of the pump can be prevented.
COPYRIGHT: (C)1980,JPO&Japio
JP2073879A 1979-02-26 1979-02-26 Starting method for pump of gas tank for liquefied gas Pending JPS55112887A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2073879A JPS55112887A (en) 1979-02-26 1979-02-26 Starting method for pump of gas tank for liquefied gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2073879A JPS55112887A (en) 1979-02-26 1979-02-26 Starting method for pump of gas tank for liquefied gas

Publications (1)

Publication Number Publication Date
JPS55112887A true JPS55112887A (en) 1980-09-01

Family

ID=12035529

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2073879A Pending JPS55112887A (en) 1979-02-26 1979-02-26 Starting method for pump of gas tank for liquefied gas

Country Status (1)

Country Link
JP (1) JPS55112887A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60178993A (en) * 1984-02-27 1985-09-12 Idemitsu Kosan Co Ltd Deflation device for non-seal pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60178993A (en) * 1984-02-27 1985-09-12 Idemitsu Kosan Co Ltd Deflation device for non-seal pump

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