JPH0452672U - - Google Patents
Info
- Publication number
- JPH0452672U JPH0452672U JP9507690U JP9507690U JPH0452672U JP H0452672 U JPH0452672 U JP H0452672U JP 9507690 U JP9507690 U JP 9507690U JP 9507690 U JP9507690 U JP 9507690U JP H0452672 U JPH0452672 U JP H0452672U
- Authority
- JP
- Japan
- Prior art keywords
- water supply
- level
- water
- seal valve
- emergency
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000002737 fuel gas Substances 0.000 claims description 2
- 239000008400 supply water Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Landscapes
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Description
第１図は本考案の一実施例を示す縦断面図、第
２図は第１図の−断面図である。第３図は上
記実施例に係る制御方式のロジツク図である。第
４図は従来の緊急水封弁の一例を示す縦断面図、
第５図はその制御方式を示すロジツク図である。
１，２１……燃料ガス緊急水封弁、２，２２…
…蓋、３，２３……水、７，２７……給水弁、１
２，１７，３２，３７……ＮＯＴ回路、１３，１
５，３５……ＡＮＤ回路、１４……ＯＲ回収、Ｌ
Ｓ１，ＬＳ２，ＬＳ３……レベルスイツチ。
FIG. 1 is a longitudinal cross-sectional view showing an embodiment of the present invention, and FIG. 2 is a cross-sectional view taken from FIG. FIG. 3 is a logic diagram of the control system according to the above embodiment. FIG. 4 is a longitudinal sectional view showing an example of a conventional emergency water seal valve.
FIG. 5 is a logic diagram showing the control method. 1, 21...Fuel gas emergency water seal valve, 2, 22...
...Lid, 3,23...Water, 7,27...Water valve, 1
2, 17, 32, 37...NOT circuit, 13, 1
5, 35...AND circuit, 14...OR recovery, L
S1, LS2, LS3...Level switch.
Claims (1)
封弁において、高位・中位・低位の３つの給水レ
ベルにそれぞれ設けられたレベルスイツチと、上
記緊急水封弁が閉じていてかつ給水の水位が上記
中位の給水レベル以下となつた時に自動給水を開
始する手段とを備えたことを特徴とする緊急水封
弁の自動給水制御装置。 In the emergency water seal valve that shuts off fuel gas in a thermal power plant, level switches are installed at each of three water supply levels: high, medium, and low, and when the emergency water seal valve is closed and the water supply water level is above An automatic water supply control device for an emergency water seal valve, characterized by comprising means for automatically starting water supply when the water supply level falls below a medium water supply level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9507690U JPH0452672U (en) | 1990-09-12 | 1990-09-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9507690U JPH0452672U (en) | 1990-09-12 | 1990-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0452672U true JPH0452672U (en) | 1992-05-06 |
Family
ID=31833516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9507690U Pending JPH0452672U (en) | 1990-09-12 | 1990-09-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0452672U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018048717A (en) * | 2016-09-23 | 2018-03-29 | 三菱日立パワーシステムズ株式会社 | Gas supply system and gas cutoff method |
| WO2019070053A1 (en) * | 2017-10-06 | 2019-04-11 | 三菱日立パワーシステムズ株式会社 | Gas supply system and gas shutoff method |
-
1990
- 1990-09-12 JP JP9507690U patent/JPH0452672U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018048717A (en) * | 2016-09-23 | 2018-03-29 | 三菱日立パワーシステムズ株式会社 | Gas supply system and gas cutoff method |
| WO2019070053A1 (en) * | 2017-10-06 | 2019-04-11 | 三菱日立パワーシステムズ株式会社 | Gas supply system and gas shutoff method |
| JP2019070470A (en) * | 2017-10-06 | 2019-05-09 | 三菱日立パワーシステムズ株式会社 | Gas supply system and gas shut off method |
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