JPS5783799A - Nozzle device in enclosed tank - Google Patents
Nozzle device in enclosed tankInfo
- Publication number
- JPS5783799A JPS5783799A JP15659480A JP15659480A JPS5783799A JP S5783799 A JPS5783799 A JP S5783799A JP 15659480 A JP15659480 A JP 15659480A JP 15659480 A JP15659480 A JP 15659480A JP S5783799 A JPS5783799 A JP S5783799A
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- tank
- gas
- weight
- guided
- 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
Links
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
PURPOSE: To provide a means for safe operation when replacing instruments in the nozzle device of an enclosed tank containing inflammable gas or toxic gas by filling the nozzle with inert nitrogen gas and preventing the leakage of the gas stored in the tank.
CONSTITUTION: A nozzle 8 containing instruments and the like is inserted to an enclosed tank through a roof 18 and fixed thereon. Weights 1 and 2 are slidingly provided in the nozzle 8, the weight 1 being suspended by a wire 4 together with a liquid level gauge float 15 and guided to a guide 5 vertically fixed to the top of the weight 2 which is guided up and down by a wire 6 extended from a weight 3 to the nozzle 8, said weight 3 being guided to a guide 7 vertically installed on a tank bottom 17. A seal plate 9 is provided in the upper portion of the nozzle 8 to form chamber "A" and "B" when the weight 1 engages with it from below, and nozzles 11 and 12 being provided thereon to supply inert nitrogen gas non-reactable to the gas inside of the tank. The work in the nozzle of the above construction is done through a working hole 19 while the chambers "A" and "B" are formed and the leakage of the gas in the tank is prevented by nitrogen gas.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15659480A JPS5783799A (en) | 1980-11-07 | 1980-11-07 | Nozzle device in enclosed tank |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15659480A JPS5783799A (en) | 1980-11-07 | 1980-11-07 | Nozzle device in enclosed tank |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5783799A true JPS5783799A (en) | 1982-05-25 |
Family
ID=15631163
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15659480A Pending JPS5783799A (en) | 1980-11-07 | 1980-11-07 | Nozzle device in enclosed tank |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5783799A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110857751A (en) * | 2018-08-23 | 2020-03-03 | 中国石油天然气股份有限公司 | Gas storage device |
-
1980
- 1980-11-07 JP JP15659480A patent/JPS5783799A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110857751A (en) * | 2018-08-23 | 2020-03-03 | 中国石油天然气股份有限公司 | Gas storage device |
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