JPH04296300A - Stable supply system for specific gas generating equipment - Google Patents
Stable supply system for specific gas generating equipmentInfo
- Publication number
- JPH04296300A JPH04296300A JP3084442A JP8444291A JPH04296300A JP H04296300 A JPH04296300 A JP H04296300A JP 3084442 A JP3084442 A JP 3084442A JP 8444291 A JP8444291 A JP 8444291A JP H04296300 A JPH04296300 A JP H04296300A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- pressure
- twin power
- solenoid valve
- power actuator
- 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.)
- Granted
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
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
- F17C7/02—Discharging liquefied gases
- F17C7/04—Discharging liquefied gases with change of state, e.g. vaporisation
-
- 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
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/031—Air
-
- 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
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/032—Hydrocarbons
- F17C2221/035—Propane butane, e.g. LPG, GPL
-
- 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
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0107—Single phase
- F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
-
- 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
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
-
- 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
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/043—Pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Description
【0001】0001
【産業上の利用分野】本発明は、一般には特定ガス発生
設備安定供給システムに関するものであり、特に、工場
出口におけるLPガスの送出量を管理し、LPガスを大
型の団地に安全に且つ安定して供給することのできる特
定ガス発生設備安定供給システムに関するものである。[Industrial Application Field] The present invention generally relates to a stable supply system for specific gas generation equipment, and in particular, to a system for safely and stably supplying LP gas to large industrial complexes by managing the amount of LP gas delivered at the exit of a factory. The present invention relates to a stable supply system for specific gas generation equipment that can be supplied with
【0002】0002
【従来の技術】近年、特定ガス発生設備による供給シス
テムは、団地の大型化に伴ないガス供給設備も大規模と
なってきており、LPガスの安定供給を維持するにはL
Pガスの需要量を常に管理し、この需要量に応じて工場
出口における送出量を制御することが希求されている。[Prior Art] In recent years, supply systems using specific gas generation equipment have become larger in size as housing complexes have become larger, and in order to maintain a stable supply of LP gas, L
It is desired to constantly manage the amount of P gas demanded and to control the amount sent out at the factory outlet in accordance with this amount of demand.
【0003】これに対して、従来、集中管理方式にてL
Pガスを需要家に供給する場合には、図2に示す集中管
理方式が採用されている。即ち、LPガス供給基地にお
いては、液化石油ガス(LPG)はLPG貯槽1よりラ
インL1 により気化装置2へと供給される。該気化装
置2にて気化されたLPガスは、ゲートバルブ3が設置
されたラインG1 にて圧力調整器4へと送給され、人
手により手動式ゲートバルブ3及び圧力調整器4を操作
することによりLPガスを所定の流量及び圧力とした後
、ラインG2 にて需要家へと供給される。[0003] In contrast, conventionally, a centralized management system
When supplying P gas to consumers, a centralized control system shown in FIG. 2 is adopted. That is, at the LP gas supply base, liquefied petroleum gas (LPG) is supplied from an LPG storage tank 1 to a vaporizer 2 through a line L1. The LP gas vaporized in the vaporizer 2 is fed to the pressure regulator 4 through a line G1 in which a gate valve 3 is installed, and the manual gate valve 3 and pressure regulator 4 are manually operated. After adjusting the LP gas to a predetermined flow rate and pressure, it is supplied to consumers via line G2.
【0004】このような従来のLPガス集中管理方式で
は、工場出口におけるLPガスの送出量の管理はなされ
ておらず、需要家に取付けたガスメータのみで送出量が
管理されていた。これでは、季節的に又1日においても
時間的に種々に異なる需要量を示す大型化された団地へ
のLPガスの安定供給は実質的に不可能であり、場合に
よっては事故につながることも考えられる。[0004] In such a conventional LP gas centralized control system, the amount of LP gas delivered at the factory outlet was not managed, and the amount delivered was controlled only by the gas meter installed at the customer. This makes it virtually impossible to provide a stable supply of LP gas to large-scale housing complexes that have demand that varies seasonally and even over the course of a day, and may even lead to accidents. Conceivable.
【0005】[0005]
【発明が解決しようとする課題】この問題を解決するべ
く、ゲートバルブ3の代わりにルーツメータ(ガスメー
タ)を設置し、LPガスの送出量管理を自動的になすこ
とが提案されている。In order to solve this problem, it has been proposed to install a roots meter (gas meter) in place of the gate valve 3 to automatically manage the amount of LP gas delivered.
【0006】しかしながら、単にルーツメータを設置し
ただけでは、ルーツメータの突発的作動不良或は感度不
良に基づく事故の発生を如何にして保障していくかにつ
いて、更には工場内或は工場外の導管に損傷が生じた場
合の対策、又、供給ガス需要量の変動に対してどのよう
に対処するかについて、十分に納得の行く解決策が得ら
れず、実際には未だに実施されていないのが現状である
。[0006] However, simply installing a Roots meter is not sufficient to ensure that accidents occur due to sudden malfunction or poor sensitivity of the Roots meter. As for measures to be taken in the event of damage to the pipes, and how to deal with fluctuations in supply gas demand, no satisfactory solution has yet been found and, in practice, has not yet been implemented. is the current situation.
【0007】従って、本発明の目的は、ルーツメータに
よる工場出口での送出量管理を実施するに当たり、ルー
ツメータの突発的作動不良或は感度不良が発生した場合
にも十分に対応することができ、従って、常に安定して
且つ安全にLPガスを需要家に供給することのできる、
特に大規模団地へのLPガス供給に適した特定ガス発生
設備安定供給システムを提供することである。[0007] Therefore, an object of the present invention is to manage the delivery amount at the exit of a factory using a roots meter, and to be able to sufficiently cope with the occurrence of sudden malfunction or sensitivity failure of the roots meter. Therefore, it is possible to always stably and safely supply LP gas to consumers.
It is an object of the present invention to provide a stable supply system for specific gas generation equipment particularly suitable for supplying LP gas to large-scale housing complexes.
【0008】本発明の他の目的は、工場内或は工場外の
導管に損傷が生じた場合、或は又、供給ガス需要量の変
動に対しても十分に対処することができ、従って、常に
安定して且つ安全にLPガスを需要家に供給することの
できる、特に大規模団地へのLPガス供給に適した特定
ガス発生設備安定供給システムを提供することである。Another object of the present invention is to be able to adequately cope with damage to conduits within or outside the factory, or fluctuations in supply gas demand; It is an object of the present invention to provide a specific gas generation equipment stable supply system that can always stably and safely supply LP gas to consumers and is particularly suitable for supplying LP gas to large-scale housing complexes.
【0009】[0009]
【課題を解決するための手段】上記目的は本発明に係る
特定ガス発生設備安定供給システムにて達成される。要
約すれば、本発明は、液化石油ガスをLPガスとする気
化装置と、前記気化装置にて気化されたLPガスの流量
を調整するルーツメータと、前記ルーツメータからのL
Pガスの圧力を調整し、需要家へと供給する圧力調整器
と、前記気化装置と圧力調整器との間にて前記ルーツメ
ータと平行に設けられた、ゲートバルブを備えたバイパ
スラインと、前記ゲートバルブを開閉することのできる
ツインパワーアクチュエータと、前記ツインパワーアク
チュエータを駆動するツインパワー駆動用電磁弁とを設
け、前記バイパスラインの下流側で且つ前記圧力調整器
の上流側に設けられた圧力計にて、所定のガス圧以下と
なったことが検知された場合に前記ツインパワー駆動用
電磁弁を介して前記ツインパワーアクチュエータを作動
させ、前記ゲートバルブを開状態とし、前記バイパスラ
インを介してLPガスを供給することを特徴とする特定
ガス発生設備安定供給システムである。[Means for Solving the Problems] The above objects are achieved by the stable supply system for specific gas generation equipment according to the present invention. In summary, the present invention provides a vaporizer that converts liquefied petroleum gas into LP gas, a roots meter that adjusts the flow rate of the LP gas vaporized in the vaporizer, and a roots meter that adjusts the flow rate of the LP gas vaporized by the vaporizer.
a pressure regulator that adjusts the pressure of P gas and supplies it to consumers; a bypass line equipped with a gate valve that is provided in parallel with the roots meter between the vaporizer and the pressure regulator; A twin power actuator capable of opening and closing the gate valve and a twin power driving electromagnetic valve for driving the twin power actuator are provided, and the twin power actuator is provided downstream of the bypass line and upstream of the pressure regulator. When the pressure gauge detects that the gas pressure is below a predetermined level, the twin power actuator is operated via the twin power driving solenoid valve, the gate valve is opened, and the bypass line is closed. This is a stable supply system for specific gas generation equipment, which is characterized by supplying LP gas through the LP gas.
【0010】0010
【実施例】以下、本発明に係る特定ガス発生設備安定供
給システムを図面に則して更に詳しく説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the specific gas generation equipment stable supply system according to the present invention will be explained in more detail with reference to the drawings.
【0011】図1に本発明に係る特定ガス発生設備安定
供給システムの一実施例が示される。本実施例によると
、LPガス供給基地において、液化石油ガス(LPG)
はLPG貯槽1よりラインL1 により気化装置2へと
供給され、該気化装置2にて気化されたLPガスは、ル
ーツメータ5を備えたラインG1 にて圧力調整器4へ
と送給され、所定の流量及び所定の圧力にて、ラインG
2 により需要家へと供給される。FIG. 1 shows an embodiment of a specific gas generation equipment stable supply system according to the present invention. According to this example, at an LP gas supply base, liquefied petroleum gas (LPG)
is supplied from the LPG storage tank 1 to the vaporizer 2 via a line L1, and the LP gas vaporized in the vaporizer 2 is sent to the pressure regulator 4 via a line G1 equipped with a Roots meter 5, and then At a flow rate and a predetermined pressure, line G
2 is supplied to consumers.
【0012】本発明に従えば、前記気化装置2と圧力調
整器4との間に設置されたルーツメータ5と平行に、ゲ
ートバルブ3を備えたバイパスラインG3が設けられる
。更に本発明によれば、ゲートバルブ3には、ツインパ
ワー駆動用電磁弁7にて駆動されツインパワーアクチュ
エータ6が取付けられる。又、ツインパワー駆動用電磁
弁7には、エアーコンプレッサー8及びサージタンク9
を介して、ツインパワーアクチュエータ6の駆動源であ
る圧縮空気が供給される。該コンプレッサー8は、非常
用電力付きエアーコンプレッサーとされるのが好適であ
る。ルーツメータ5、ツインパワーアクチュエータ6、
ツインパワー駆動用電磁弁7としては、一般に市販され
ているものを好適に使用し得る。According to the present invention, a bypass line G3 provided with a gate valve 3 is provided in parallel with the roots meter 5 installed between the vaporizer 2 and the pressure regulator 4. Furthermore, according to the present invention, a twin power actuator 6 driven by a twin power driving solenoid valve 7 is attached to the gate valve 3. In addition, the twin power drive solenoid valve 7 is equipped with an air compressor 8 and a surge tank 9.
Compressed air, which is a driving source for the twin power actuator 6, is supplied through the twin power actuator 6. The compressor 8 is preferably an air compressor with emergency power. Roots meter 5, twin power actuator 6,
As the twin power driving electromagnetic valve 7, commonly available commercially available valves can be suitably used.
【0013】又、本発明によれば、ラインG1 におい
て、ゲートバルブ3及びルーツメータ5の下流側で且つ
圧力調整器4の上流側に、例えば富士電機株式会社製の
商品名「メンブレン型圧力計」とされるような圧力発信
器付きの圧力計10が設置され、常にラインG1 のガ
ス圧を監視している。該圧力計10の出力は、制御ライ
ンE1 にて電磁弁用圧力監視計11及び警報用圧力監
視計12に送信される。電磁弁用圧力監視計11は、更
に、制御ラインE2 にてツインパワー駆動用電磁弁7
に接続されている。Further, according to the present invention, in the line G1, a membrane type pressure gauge manufactured by Fuji Electric Co., Ltd., for example, is installed downstream of the gate valve 3 and roots meter 5 and upstream of the pressure regulator 4. A pressure gauge 10 with a pressure transmitter is installed to constantly monitor the gas pressure in line G1. The output of the pressure gauge 10 is transmitted to a solenoid valve pressure monitor 11 and an alarm pressure monitor 12 via a control line E1. The solenoid valve pressure monitor 11 is further connected to the twin power drive solenoid valve 7 via the control line E2.
It is connected to the.
【0014】次に、上記構成のLPガス集中配管方式の
作動について説明する。本方式によれば、通常は、液化
石油ガス(LPG)はLPG貯槽1よりラインL1 に
より気化装置2へと供給され、該気化装置2にて気化さ
れたLPガスは、ラインG1 にてルーツメータ5を経
て圧力調整器4へと送給され、圧力調整器4にてLPガ
スを所定の圧力とした後、ラインG2 にて需要家へと
供給されている。Next, the operation of the LP gas centralized piping system having the above configuration will be explained. According to this system, liquefied petroleum gas (LPG) is normally supplied from an LPG storage tank 1 to a vaporizer 2 via a line L1, and the LP gas vaporized in the vaporizer 2 is sent to a roots meter via a line G1. The LP gas is supplied to the pressure regulator 4 via the line G2, and after being adjusted to a predetermined pressure by the pressure regulator 4, it is supplied to consumers via the line G2.
【0015】今もし、ラインG1 の圧力が、ルーツメ
ータ5の不通或は感度不良により、又は、導管損傷或は
LPガス供給量の増大に伴なって、低下した場合には、
圧力発信器付き圧力計10からの圧力信号を常時受信し
ている警報用圧力監視計12が作動し、警報ランプを点
灯させると共に警報を発する。同時に、電磁弁用圧力監
視計11から制御ラインE2 を介してツインパワー駆
動用電磁弁7に信号を送り、該電磁弁7を作動させる。
これによって、圧縮空気がツインパワーアクチュエータ
6に送られ、該ツインパワーアクチュエータ6を作動せ
しめる。このツインパワーアクチュエータ6が作動され
るとゲートバルブ3が開となり、気化装置2にて気化さ
れたLPガスは、バイパスラインG3 を経由して、即
ち、ゲートバルブ3及び圧力調整器4を通る供給経路が
形成され、LPガス量が増大される。必要に応じて、ル
ーツメータ5は点検され、必要ならば修理或は交換など
が行なわれる。If the pressure in the line G1 drops due to a disconnection or poor sensitivity of the roots meter 5, or due to damage to the conduit or an increase in the amount of LP gas supplied,
The alarm pressure monitor 12, which constantly receives the pressure signal from the pressure gauge 10 with a pressure transmitter, is activated, lights up the alarm lamp, and issues an alarm. At the same time, a signal is sent from the solenoid valve pressure monitor 11 to the twin power drive solenoid valve 7 via the control line E2, and the solenoid valve 7 is activated. As a result, compressed air is sent to the twin power actuator 6, and the twin power actuator 6 is actuated. When this twin power actuator 6 is operated, the gate valve 3 is opened, and the LP gas vaporized in the vaporizer 2 is supplied via the bypass line G3, that is, through the gate valve 3 and the pressure regulator 4. A path is formed and the amount of LP gas is increased. The roots meter 5 is inspected and, if necessary, repaired or replaced.
【0016】供給ガス量の増大により、ガス圧が所定の
ガス圧にまで上昇すると、警報用圧力監視計12は作動
を停止し、警報ランプを消灯し、警報を停止する。又、
電磁弁用圧力監視計11からのツインパワー駆動用電磁
弁7への送信は終わり、電磁弁7は閉成状態となり、ツ
インパワーアクチュエータ6の作動は停止する。これに
よって、ゲートバルブ3は閉じ、通常状態に復帰する。When the gas pressure rises to a predetermined gas pressure due to an increase in the amount of supplied gas, the alarm pressure monitor 12 stops operating, turns off the alarm lamp, and stops the alarm. or,
The transmission from the solenoid valve pressure monitor 11 to the twin power driving solenoid valve 7 is completed, the solenoid valve 7 is closed, and the operation of the twin power actuator 6 is stopped. This closes the gate valve 3 and returns to the normal state.
【0017】尚、本実施例ではツインパワー駆動用電磁
弁7には更に、該電磁弁7を手動で操作可能とするため
の電磁弁開閉用のスイッチ13が制御ラインE3 にて
接続され、又、該電磁弁7を開閉し、本方式の試験運転
を行なうための電磁弁開閉用のスイッチ14が制御ライ
ンE4 にて接続されている。In this embodiment, a solenoid valve opening/closing switch 13 is further connected to the twin power drive solenoid valve 7 via a control line E3 so that the solenoid valve 7 can be operated manually. A solenoid valve opening/closing switch 14 for opening and closing the solenoid valve 7 and performing a test operation of this method is connected via a control line E4.
【0018】[0018]
【発明の効果】以上の如くに構成される本発明に係る特
定ガス発生設備安定供給システムは、ルーツメータによ
る工場出口での送出量管理を実施するに当たり、ルーツ
メータの突発的作動不良或は感度不良が発生した場合に
も十分に対応することができ、従って、常に安定して且
つ安全にLPガスを需要家に供給することができるもの
であって、特に大規模団地へのLPガス供給に適してい
る。更に本発明の特定ガス発生設備安定供給システムは
、工場内或は工場外の導管に損傷が生じた場合、或は又
、供給ガス需要量の変動に対しても十分に対処すること
ができるという特長を有する。Effects of the Invention The stable supply system for specified gas generation equipment according to the present invention, which is configured as described above, is capable of controlling the amount of output at the factory exit using the Roots meter, and is capable of detecting sudden malfunctions or sensitivity of the Roots meter. It is capable of adequately responding to the occurrence of defects, and therefore can always stably and safely supply LP gas to consumers, and is particularly suitable for supplying LP gas to large-scale housing complexes. Are suitable. Furthermore, the specific gas generation equipment stable supply system of the present invention can sufficiently cope with damage to pipes inside or outside the factory, or fluctuations in the amount of supplied gas demanded. It has characteristics.
【図1】本発明に係る特定ガス発生設備安定供給システ
ムの一実施例の構成図である。FIG. 1 is a configuration diagram of an embodiment of a specific gas generation equipment stable supply system according to the present invention.
【図2】従来の特定ガス発生設備安定供給システムの構
成図である。FIG. 2 is a configuration diagram of a conventional specific gas generation equipment stable supply system.
1 LPG貯槽2
気化装置
3 ゲートバルブ4
圧力調整器5
ルーツメータ6 ツインパワー
アクチュエータ7 ツインパワ
ー駆動用電磁弁8 エアーコン
プレッサー9 サージタンク1
0 圧力計1 LPG storage tank 2
Vaporizer 3 Gate valve 4
Pressure regulator 5
Roots meter 6 Twin power actuator 7 Twin power drive solenoid valve 8 Air compressor 9 Surge tank 1
0 Pressure gauge
Claims (1)
置と、前記気化装置にて気化されたLPガスの流量を調
整するルーツメータと、前記ルーツメータからのLPガ
スの圧力を調整し、需要家へと供給する圧力調整器と、
前記気化装置と圧力調整器との間にて前記ルーツメータ
と平行に設けられた、ゲートバルブを備えたバイパスラ
インと、前記ゲートバルブを開閉することのできるツイ
ンパワーアクチュエータと、前記ツインパワーアクチュ
エータを駆動するツインパワー駆動用電磁弁とを設け、
前記バイパスラインの下流側で且つ前記圧力調整器の上
流側に設けられた圧力計にて、所定のガス圧以下となっ
たことが検知された場合に前記ツインパワー駆動用電磁
弁を介して前記ツインパワーアクチュエータを作動させ
、前記ゲートバルブを開状態とし、前記バイパスライン
を介してLPガスを供給することを特徴とする特定ガス
発生設備安定供給システム。1. A vaporizer that converts liquefied petroleum gas into LP gas, a Roots meter that adjusts the flow rate of the LP gas vaporized in the vaporizer, and a Roots meter that adjusts the pressure of the LP gas from the Roots meter to meet the demand. a pressure regulator that supplies the home;
A bypass line provided with a gate valve and provided between the vaporization device and the pressure regulator in parallel with the roots meter, a twin power actuator capable of opening and closing the gate valve, and the twin power actuator. A twin power drive solenoid valve is provided to drive the
When a pressure gauge installed downstream of the bypass line and upstream of the pressure regulator detects that the gas pressure is below a predetermined level, the twin power drive solenoid valve A stable supply system for specific gas generation equipment, characterized in that a twin power actuator is operated, the gate valve is opened, and LP gas is supplied via the bypass line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8444291A JP2941989B2 (en) | 1991-03-26 | 1991-03-26 | Specific gas generation equipment stable supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8444291A JP2941989B2 (en) | 1991-03-26 | 1991-03-26 | Specific gas generation equipment stable supply system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04296300A true JPH04296300A (en) | 1992-10-20 |
| JP2941989B2 JP2941989B2 (en) | 1999-08-30 |
Family
ID=13830712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8444291A Expired - Lifetime JP2941989B2 (en) | 1991-03-26 | 1991-03-26 | Specific gas generation equipment stable supply system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2941989B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2700836A1 (en) * | 1992-09-25 | 1994-07-29 | Iwatani & Co | Apparatus for producing liquid nitrogen |
-
1991
- 1991-03-26 JP JP8444291A patent/JP2941989B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2700836A1 (en) * | 1992-09-25 | 1994-07-29 | Iwatani & Co | Apparatus for producing liquid nitrogen |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2941989B2 (en) | 1999-08-30 |
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