JPH0213000B2 - - Google Patents
Info
- Publication number
- JPH0213000B2 JPH0213000B2 JP29906085A JP29906085A JPH0213000B2 JP H0213000 B2 JPH0213000 B2 JP H0213000B2 JP 29906085 A JP29906085 A JP 29906085A JP 29906085 A JP29906085 A JP 29906085A JP H0213000 B2 JPH0213000 B2 JP H0213000B2
- Authority
- JP
- Japan
- Prior art keywords
- liquid
- density value
- liquid density
- natural gas
- mixed liquid
- 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.)
- Expired - Lifetime
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
- F17C9/00—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure
- F17C9/02—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure 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
- F17C2221/032—Hydrocarbons
- F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
-
- 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
- F17C2223/0146—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
- 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
- F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
-
- 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
- F17C2227/03—Heat exchange with the fluid
- F17C2227/0367—Localisation of heat exchange
- F17C2227/0388—Localisation of heat exchange separate
- F17C2227/0393—Localisation of heat exchange separate using a vaporiser
-
- 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
- F17C2250/0447—Composition; Humidity
- F17C2250/0452—Concentration of a product
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、LNGとLPGの混合液の液密度値を
測定して該液密度を制御し所望の増熱天然ガスを
製造する方法及び装置に関する。Detailed Description of the Invention [Field of Industrial Application] The present invention provides a method and apparatus for measuring the liquid density value of a mixed liquid of LNG and LPG and controlling the liquid density to produce a desired heated natural gas. Regarding.
LNG（液化天然ガス）にLPG（液化石油ガス）
を混入して所要熱量の天然ガスを製造するため下
記の如き方法がある。即ち、
(i) まず、LNGを気化し、それに気化したLPG
を混入する所謂ガス―ガス方式で、比較的熱量
調整範囲が広く、また、制御応答速度が早い利
点を有する。しかし、LPGを気化するために
高温エネルギーを要しランニングコストが高く
なるという欠点が存する。
LNG (liquefied natural gas) and LPG (liquefied petroleum gas)
There are the following methods for producing natural gas with the required amount of heat by mixing it with: That is, (i) First, LNG is vaporized, and the vaporized LPG is added to it.
This is a so-called gas-gas method that mixes gas into the gas, and has the advantage of a relatively wide range of heat adjustment and fast control response speed. However, there is a drawback that high-temperature energy is required to vaporize LPG, which increases running costs.
(ii) 次に、LNGを気化し、それにLPGを混入し、
気化天然ガスの顕熱を利用してLPGを気化し
て増熱する所謂液―ガス方式で、この方式では
LPGを気化するのにNG（天然ガス）の熱エネ
ルギーを使用するのでコストが安い利点を有す
るが、反面LPGの混入量に制限があり、また、
制御応答速度が遅いという欠点がある。(ii) Next, vaporize the LNG and mix it with LPG,
This is a so-called liquid-gas method that uses the sensible heat of vaporized natural gas to vaporize LPG and heat it up.
Since the thermal energy of NG (natural gas) is used to vaporize LPG, it has the advantage of being low cost, but on the other hand, there is a limit to the amount of LPG mixed in, and
The disadvantage is that the control response speed is slow.
(iii) さらに、LNGにLPGを混入し、その混合液
を気化器で気化して増熱天然ガスを得る所謂液
―液方式があり、この方式では気化に低温エネ
ルギーを使用できるためコストが安くてすむ利
点を有する。しかし、熱量（又はガス密度）の
測定を気化器出口で行なつているので、混合液
が気化器に流れて気化するに至る時間（例えば
約１分）だけ制御応答が遅延し所定熱量より高
い又は所定熱量に至らない増熱天然ガスを産出
する欠点がある。(iii) Furthermore, there is a so-called liquid-liquid method in which LNG is mixed with LPG and the mixture is vaporized in a vaporizer to obtain heat-enhanced natural gas.This method uses low-temperature energy for vaporization, making it cheaper. It has the advantage of being easy to use. However, since the amount of heat (or gas density) is measured at the outlet of the vaporizer, the control response is delayed by the time it takes for the mixed liquid to flow into the vaporizer and vaporize (for example, about 1 minute), resulting in a higher amount of heat than the predetermined amount of heat. Alternatively, there is a drawback that heated natural gas that does not reach a predetermined calorific value is produced.
また、上記いずれの方式においても、熱量調整
の起動時に、所定熱量に到達しないNGが屡々発
生するため一定品質を厳しく要求される都市ガス
等の場合には、所定の熱量を有する増熱ガスにな
るまで、暫時放散等を余儀なくされることともな
り、この結果経済的損失を生じ、供給に速応性を
欠く等の不都合があつた。 In addition, in any of the above methods, when starting the calorific value adjustment, NG that does not reach the predetermined calorific value is often generated. Until the end of the process, they were forced to dissipate for a while, resulting in economic losses and inconveniences such as a lack of prompt response in supply.
上記の如く、従来の方式は夫々一長一短がある
が、これを要するに、安定した品質の増熱天然ガ
スが、比較的コストの易い低温エネルギーにより
製造されることが望ましく、このため、効率のよ
い液―液方式をベースとして、その熱量制御の応
答性を改善し、かつ起動時から所定熱量のガスを
取り出し得る如く改良を加えて、より有用な液―
液方式を提供することを本発明の目的とするもの
である。
As mentioned above, each conventional method has its advantages and disadvantages, but in short, it is desirable to produce heat-enhanced natural gas of stable quality using relatively inexpensive low-temperature energy, and for this reason, efficient liquid - Based on the liquid method, we have improved the responsiveness of its calorific value control and made improvements so that a predetermined amount of gas can be taken out from the time of startup, creating a more useful liquid type -
It is an object of the present invention to provide a liquid method.
即ち、従来の液―液方式は、LNGにLPGを混
入し、低温エネルギーを利用しうる気化器で気化
するものであるが、増熱ガスの熱量（又はガス密
度）を気化器の出ガスから測定するものであつ
た。 In other words, in the conventional liquid-liquid method, LPG is mixed with LNG and vaporized in a vaporizer that can utilize low-temperature energy. It was something to be measured.
本発明は、LNGとLPGとの混合液の液密度と
該混合液を気化したガスの熱量との間には、実用
上の許容範囲内で、LNGとLPGとの夫々流量を
ほぼ一定比率に保持する限り、極めて密接な相関
関係があるという事実から、気化器に流入せしめ
る以前の混合液の液密度を測定することにより、
気化ガスの熱量制御を実施しようとするものであ
る。 The present invention maintains the flow rate of LNG and LPG at a substantially constant ratio between the liquid density of the liquid mixture of LNG and LPG and the calorific value of the gas obtained by vaporizing the liquid mixture, within a practical allowable range. Due to the fact that there is an extremely close correlation as long as the
This is an attempt to control the calorific value of vaporized gas.
本発明は増熱天然ガスの製造方法及び製造装置
に関し、その方法においては、
ａ 夫々のタンクから連続的に流出するLNGと
LPGとを混合してなる混合液を気化して所望
熱量の天然ガスを得る増熱天然ガスの製造方法
において、
ｂ 混合液の液密度値と所望熱量に対応する設定
液密度値とを比較し、
ｃ 混合液の液密度値が設定液密度値であるとき
は該混合液が気化器に流れて気化される一方、
設定密度値に至らないときは該混合液がLNG
…タンク等の設備に流される。
The present invention relates to a method and apparatus for producing heated natural gas, which includes: a) LNG continuously flowing out from each tank;
In a method for producing heated natural gas in which natural gas with a desired calorific value is obtained by vaporizing a liquid mixture formed by mixing with LPG, b. Comparing the liquid density value of the mixed liquid with a set liquid density value corresponding to the desired calorific value. , c When the liquid density value of the mixed liquid is the set liquid density value, the mixed liquid flows to the vaporizer and is vaporized,
If the set density value is not reached, the mixed liquid is LNG.
...Wasted into equipment such as tanks.
以上を要旨とするものであり、また、その装置
にあつては、
a′ 夫々のタンクから連続的に流出するLNGと
LPGとを混合してなる混合液を気化して所望
熱量の天然ガスを得る増熱天然ガスの製造装置
において、
b′ 混合液の液密度を測定する液密度計と、
c′ 液密度値が所要熱量に対応する設定液密度値
に至らないとき混合液を気化器に送らず、別に
設置された配管を通じてLNGタンク等の設備
に流す開閉弁と、液密度値が設定液密度値であ
るとき混合液を気化器に送る開閉弁とを、
d′ 気化器の入口に配設する
以上を要旨とするものである。 The above is the gist of the equipment.
In a heated natural gas production equipment that obtains natural gas with a desired calorific value by vaporizing a mixed liquid formed by mixing with LPG, b′ is a liquid density meter that measures the liquid density of the mixed liquid, and c′ is a liquid density meter that measures the liquid density value. An on-off valve that does not send the mixed liquid to the vaporizer when the set liquid density value corresponding to the required amount of heat is not reached, but flows it to equipment such as an LNG tank through separately installed piping, and when the liquid density value is the set liquid density value. An on-off valve that sends the mixed liquid to the vaporizer is installed at the inlet of the vaporizer.
以下、混合液が気化器に入らない場合の液処理
をLNGタンクで行う場合の実施例を図面に基づ
いて説明する。 Hereinafter, an embodiment will be described based on the drawings in which liquid treatment is performed in an LNG tank when the mixed liquid does not enter the vaporizer.
第１図は、本発明に係る混合液気化系を示す説
明図である。LNGはタンク（図示せず）から連
続的にライン１に送られ、これに、タンク（図示
せず）から連続的にライン２に送られるLPGが
混入３されて両者の混合液となる。
FIG. 1 is an explanatory diagram showing a mixed liquid vaporization system according to the present invention. LNG is continuously sent to line 1 from a tank (not shown), and LNG, which is continuously sent to line 2 from a tank (not shown), is mixed 3 to form a mixed liquid of both.
本発明では、この混合液が気化器４に送られる
前に液密度計５によつてその液密度が測定され
る。この測定値が予め求められている増熱天然ガ
ス６の所要熱量に対応する設定液密度値と比較さ
れる。液密度値が設定値であるとき（一定の許容
範囲内にある場合を含む）には、混合液は開放さ
れている弁例えば遠隔操作弁７を経由して気化器
４に送られ、一方、液密度値が設定値を上廻るか
又は下廻る場合（一定の許容範囲外にある場合を
含む）には、遠隔操作弁７が閉じられて、混合液
は矢印８ａ方向にライン８をLNGタンクに還流
するようになつている。ライン８に配置される遠
隔操作弁７′は上記遠隔操作弁７と連動し操作弁
７が開のときは閉操作弁７が閉のときは開とな
る。 In the present invention, the liquid density of this mixed liquid is measured by a liquid density meter 5 before being sent to the vaporizer 4. This measured value is compared with a set liquid density value corresponding to the required heat amount of the heated natural gas 6, which has been determined in advance. When the liquid density value is at the set value (including when it is within a certain tolerance range), the mixed liquid is sent to the vaporizer 4 via an open valve, for example a remote control valve 7, while If the liquid density value is above or below the set value (including when it is outside a certain tolerance range), the remote control valve 7 is closed and the mixed liquid is routed along line 8 in the direction of arrow 8a to the LNG tank. It is starting to flow back to A remote control valve 7' disposed in the line 8 is interlocked with the remote control valve 7, and opens when the control valve 7 is open and opens when the control valve 7 is closed.
この結果、例えば、起動直後の液密度の比較的
低い即ちLPGが十分混入されていない混合液等
では、遠隔操作弁７が閉、７′が開となつて混合
液をLNGタンクに戻すこととなり、しばらくし
て所望の液密度に達すると、遠隔操作弁７が開
７′が閉となつて起動が完了することとなる。 As a result, for example, if the mixed liquid has a relatively low liquid density immediately after startup, that is, does not contain enough LPG, the remote control valve 7 will close and 7' will open, returning the mixed liquid to the LNG tank. After a while, when the desired liquid density is reached, the remote control valve 7 opens and closes 7', completing the start-up.
液密度計５は、LNGの流量調節弁９及びLPG
の流量調節弁１０と連結し、液密度値がフイード
バツクされて、LNG及び又はLPGの流量を調節
し、該液密度値を設定液密度に合致させようとす
る。 The liquid density meter 5 is connected to the LNG flow control valve 9 and the LPG
The liquid density value is fed back and the flow rate of LNG and/or LPG is adjusted to match the liquid density value with the set liquid density.
本発明は以上の構成に基づくものであつて、比
較的運転コストの安価な液―液方式を使用し、気
化器に送入される前の段階で、混合液の液密度を
測定し、この液密度値が気化後の増熱天然ガスの
熱量に対応する設定液密度値に合致する場合にの
み該混合液を気化器に送入して気化せしめるもの
であるから、常に品質の一定した増熱天然ガスが
得られることとなり、また、所定液密度になるま
でLNGタンクへ混合液を還流せしめるため、熱
量が不足又は過剰等で供給不適となり気化ガスの
放散を余儀なくされる等に基づく経済的損失を解
消されるとともに所要熱量の天然ガスが迅速に得
られる速応性の利点を有し、さらに、この方式に
より、一定液密度の混合液が複数個設置されてい
る気化器に同時に送入できることになり稼動変動
幅が著しく拡大され、一時に品質の一定な大量の
ガスを迅速に供給しうる体制をとりうる等の長所
をも有するものであり、実用上極めて有用な発明
である。
The present invention is based on the above configuration, uses a liquid-liquid method with relatively low operating costs, and measures the liquid density of the mixed liquid before it is sent to the vaporizer. Since the mixed liquid is sent to the vaporizer and vaporized only when the liquid density value matches the set liquid density value corresponding to the calorific value of the heated natural gas after vaporization, it is possible to always maintain constant quality. Since hot natural gas is obtained, and the mixed liquid is returned to the LNG tank until it reaches a predetermined liquid density, it is not economical based on the fact that the supply becomes inadequate due to a lack or excess of heat and the vaporized gas is forced to dissipate. It has the advantage of quick response, which eliminates losses and quickly obtains the required amount of heat.Furthermore, with this method, a mixed liquid with a constant liquid density can be simultaneously fed to multiple vaporizers installed. This invention has the advantage of significantly expanding the range of operating fluctuations and being able to quickly supply a large amount of gas of constant quality at one time, making it an extremely useful invention in practice.
本発明は以上の実施例にとらわれるものではな
く液処理をタンク以外の他の設備で行うこともも
ちろん可能である。 The present invention is not limited to the above-described embodiments, and it is of course possible to perform liquid processing in equipment other than the tank.
第１図は本発明に係る増熱天然ガスの製造系列
を示す説明図である。
１……LNGのライン、２……LPGのライン、
４……気化器、５……液密度計、７，７′……遠
隔操作弁、９……LNGの流量調整弁、１０……
LPGの流量調整弁。
FIG. 1 is an explanatory diagram showing a production line of heated natural gas according to the present invention. 1... LNG line, 2... LPG line,
4... Vaporizer, 5... Liquid density meter, 7, 7'... Remote control valve, 9... LNG flow rate adjustment valve, 10...
LPG flow adjustment valve.
Claims (1)
LPGとを混合してなる混合液を気化して所望熱
量の天然ガスを得る増熱天然ガスの製造方法にお
いて、前記混合液の液密度値と前記所望熱量に対
応する設定液密度値とを比較し、混合液の液密度
値が設定液密度値であるときは該混合液が気化器
に流れて気化される一方、設定密度値に至らない
ときは該混合液がLNGタンク等の設備に流され
ることを特徴とする増熱天然ガスの製造方法。 ２ 夫々のタンクから連続的に流出するLNGと
LPGとを混合してなる混合液を気化して所望熱
量の天然ガスを得る増熱天然カスの製造装置にお
いて、前記混合液の液密度を測定する液密度計
と、該液密度値が前記所要熱量に対応する設定液
密度値に至らないとき混合液を気化器に送らず別
に設置された配管を通じてLNGタンク等の設備
に流す開閉弁と、液密度値が設定液密度値である
とき混合液を気化器に送る開閉弁とを気化器の入
口に配設することを特徴とする増熱天然ガスの製
造装置。[Claims] 1. LNG that continuously flows out from each tank and
In a method for producing heated natural gas in which natural gas with a desired amount of heat is obtained by vaporizing a mixed liquid formed by mixing LPG with LPG, the liquid density value of the mixed liquid is compared with a set liquid density value corresponding to the desired amount of heat. However, when the liquid density value of the mixed liquid is the set liquid density value, the mixed liquid flows to the vaporizer and is vaporized, whereas when the liquid density value does not reach the set density value, the mixed liquid is flowed to equipment such as an LNG tank. A method for producing heated natural gas characterized by: 2 LNG that continuously flows out from each tank and
In an apparatus for producing heat-enhanced natural gas that obtains natural gas with a desired calorific value by vaporizing a mixed liquid formed by mixing LPG with LPG, a liquid density meter that measures the liquid density of the mixed liquid, and a liquid density meter that measures the liquid density value as described above, An on-off valve that does not send the mixed liquid to the vaporizer when the set liquid density value corresponding to the amount of heat has not been reached, but flows it to equipment such as an LNG tank through separately installed piping, and when the liquid density value does not reach the set liquid density value, the mixed liquid is sent to the vaporizer. An apparatus for producing heated natural gas, characterized in that an on-off valve for sending gas to the vaporizer is disposed at the inlet of the vaporizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60299060A JPS62156197A (en) | 1985-12-28 | 1985-12-28 | Production of natural gas of increased calorie and device therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60299060A JPS62156197A (en) | 1985-12-28 | 1985-12-28 | Production of natural gas of increased calorie and device therefor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62156197A JPS62156197A (en) | 1987-07-11 |
| JPH0213000B2 true JPH0213000B2 (en) | 1990-04-03 |
Family
ID=17867683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60299060A Granted JPS62156197A (en) | 1985-12-28 | 1985-12-28 | Production of natural gas of increased calorie and device therefor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62156197A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011207982A (en) * | 2010-03-29 | 2011-10-20 | Osaka Gas Co Ltd | Vaporized gas production system |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5967943B2 (en) * | 2012-01-18 | 2016-08-10 | 大阪瓦斯株式会社 | Operation method of liquefied gas production equipment |
| JP6407054B2 (en) * | 2015-02-13 | 2018-10-17 | 大阪瓦斯株式会社 | Calorific value adjustment system for liquefied gas shipping equipment |
| US12270514B1 (en) | 2022-12-07 | 2025-04-08 | United Launch Alliance, L.L.C. | Methods and systems to determine liquid natural gas (LNG) composition and density |
| JP2025152456A (en) * | 2024-03-28 | 2025-10-09 | 大陽日酸株式会社 | Liquefied gas filling system and liquefied gas filling method |
-
1985
- 1985-12-28 JP JP60299060A patent/JPS62156197A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011207982A (en) * | 2010-03-29 | 2011-10-20 | Osaka Gas Co Ltd | Vaporized gas production system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62156197A (en) | 1987-07-11 |
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