JPH03260575A - Liquid hydrogen tank for slush hydrogen - Google Patents
Liquid hydrogen tank for slush hydrogenInfo
- Publication number
- JPH03260575A JPH03260575A JP5665290A JP5665290A JPH03260575A JP H03260575 A JPH03260575 A JP H03260575A JP 5665290 A JP5665290 A JP 5665290A JP 5665290 A JP5665290 A JP 5665290A JP H03260575 A JPH03260575 A JP H03260575A
- Authority
- JP
- Japan
- Prior art keywords
- tank
- hydrogen
- liquid
- shield plate
- cooling pipe
- 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
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 239000001257 hydrogen Substances 0.000 title claims abstract description 47
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 47
- 239000007788 liquid Substances 0.000 title claims abstract description 43
- 238000001816 cooling Methods 0.000 claims abstract description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 24
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 12
- 230000005855 radiation Effects 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical compound C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 3
- 239000002760 rocket fuel Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明はロケット燃料用のスラッシュ水素製造に適用さ
れるクライオスタンドの排気水素シールド式真空断熱に
よる液体水素タンクに関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a vacuum-insulated liquid hydrogen tank with exhaust hydrogen shielding for a cryostand applied to the production of slush hydrogen for rocket fuel.
ロケット燃料用のスラッシュ水素を製造するシールド式
真空断熱による従来の液体水素タンクは第２図に示すよ
うに液体水素タンク４上部に液体窒素による保冷槽３を
設け、シールド板２の冷却にも液体水素タンク４の外周
を囲繞させたシールド板冷却管１に液体窒素を流してそ
の輻射冷却により液体水素タンク４を冷却している。A conventional liquid hydrogen tank with shielded vacuum insulation for producing slush hydrogen for rocket fuel has a cooling tank 3 filled with liquid nitrogen on top of the liquid hydrogen tank 4, as shown in Figure 2, and also uses liquid to cool the shield plate 2. Liquid nitrogen is flowed through a shield plate cooling pipe 1 surrounding the outer periphery of the hydrogen tank 4, and the liquid hydrogen tank 4 is cooled by its radiation cooling.
なお、液体水素０１から発生した水素ガスは真空ポンプ
５で引いて排気させて用いるが、中途で熱交換器８によ
って加温している。Note that the hydrogen gas generated from the liquid hydrogen 01 is drawn and exhausted by a vacuum pump 5 and used, but it is heated by a heat exchanger 8 midway through the process.
上記従来のスラッシュ水素用液体水素タンクには解決す
べき次の課題があった。即ち、液体窒素によるシールド
方式は、液体水素充填の前に液体窒素を充填しなければ
ならず、作業効率が非常に悪い上、液体窒素が無駄に消
費されるという問題がある。また、排気するガス水素を
真空ポンプに支障がないように常温近くまで昇温するた
めに、大容量の熱交換器を必要とするという問題もあっ
た。The above-mentioned conventional liquid hydrogen tank for slush hydrogen had the following problems to be solved. That is, in the shielding method using liquid nitrogen, liquid nitrogen must be filled before liquid hydrogen is filled, and there is a problem that the work efficiency is very poor and liquid nitrogen is wasted. Another problem is that a large-capacity heat exchanger is required in order to raise the temperature of the gaseous hydrogen to be exhausted to near room temperature so as not to interfere with the vacuum pump.
本発明は上記課題の解決手段として、真空断熱されシー
ルド板で覆われた液体水素タンクの内部上方に一端を連
通され同液体水素タンクの外周を囲繞して他端を排気可
能に設けられたシールド板冷却管と、同シールド板冷却
管の中途に介装された真空ポンプ及び熱交換器とを具備
してなることを特徴とするスラッシュ水素用液体水素タ
ンクを提供しようとするものである。As a solution to the above problem, the present invention provides a shield that is connected at one end to the inside of a liquid hydrogen tank that is vacuum insulated and covered with a shield plate, surrounds the outer periphery of the liquid hydrogen tank, and is provided so that the other end can be evacuated. It is an object of the present invention to provide a liquid hydrogen tank for slush hydrogen characterized by comprising a plate cooling pipe, and a vacuum pump and a heat exchanger interposed in the middle of the shield plate cooling pipe.
本発明は上記のように構成されるので次の作用を有する
。即ち、液体水素タンクの上方内部に連通したシールド
板冷却管の中途に介装した真空ポンプを作動させると液
体水素タンク内の上方から水素ガスが排気され、気化に
よって降温した冷い水素ガスが液体水素タンクの外周を
囲繞するシールド板冷却管内を通って排気されてゆくの
で液体水素タンク（＠密にはそれを覆うシールド板）が
冷却される。この結果、従来の冷却用液体窒素が不要と
なるとともに保冷槽も不要となる。また、シールド板冷
却によって水素ガスが稍、加温されるため、熱交換器も
容量が小さくてよい。Since the present invention is configured as described above, it has the following effects. In other words, when a vacuum pump installed in the middle of the shield plate cooling pipe that communicates with the upper interior of the liquid hydrogen tank is operated, hydrogen gas is exhausted from the upper part of the liquid hydrogen tank, and the cold hydrogen gas whose temperature has decreased due to vaporization is turned into liquid. The liquid hydrogen tank (or more specifically, the shield plate that covers it) is cooled as it is exhausted through the shield plate cooling pipe that surrounds the outer periphery of the hydrogen tank. As a result, conventional liquid nitrogen for cooling is no longer necessary, and a cold storage tank is also no longer necessary. Furthermore, since the hydrogen gas is slightly warmed by cooling the shield plate, the capacity of the heat exchanger may be small.
本発明の一実施例を第１図により説明する。なお、従来
例と同様の部材には同符号を付し、説明を省略する。An embodiment of the present invention will be explained with reference to FIG. Note that members similar to those in the conventional example are denoted by the same reference numerals, and explanations thereof will be omitted.
第１図は、本実施例に係るスラッシュ水素用液体水素タ
ンクの縦断面図で、図において、真空ポンプ５が作動す
ることにより、矢印７の向きにシールド板冷却管１にガ
ス水素が流れる。その結果、シールド板２が冷却され、
液体水素タンクＩＯを輻射冷却する。シールド板冷却管
１を通ったガス水素は、多少昇温しでいるが、もう−炭
熱交換器８ａで常温まで昇温し、空圧弁６を通って排気
される。FIG. 1 is a longitudinal cross-sectional view of a liquid hydrogen tank for slush hydrogen according to this embodiment. In the figure, when the vacuum pump 5 is operated, gaseous hydrogen flows into the shield plate cooling pipe 1 in the direction of the arrow 7. As a result, the shield plate 2 is cooled,
The liquid hydrogen tank IO is cooled by radiation. The gaseous hydrogen that has passed through the shield plate cooling pipe 1 has been heated to some extent, but is now heated to room temperature in the coal heat exchanger 8a, and is exhausted through the pneumatic valve 6.
タンク内の真空引、加圧は空圧弁６の開閉により行う。The inside of the tank is evacuated and pressurized by opening and closing the pneumatic valve 6.
以上の通り、本実施例によれば、液体水素タンク１０の
冷却に液体水素タンク１０内の液体水素から発生する水
素ガスを用いるので、従来のように液体窒素を必要とせ
ず、かつ、液体窒素による保冷槽も不要となるという利
点がある。As described above, according to this embodiment, hydrogen gas generated from the liquid hydrogen in the liquid hydrogen tank 10 is used to cool the liquid hydrogen tank 10, so liquid nitrogen is not required as in the conventional case, and liquid nitrogen is not required. This has the advantage of eliminating the need for a cold storage tank.
本発明は上記のように構成されるので次の効果を有する
。Since the present invention is configured as described above, it has the following effects.
即ち、ロケット燃料用のスラッシュ水素の製造において
、輻射による冷却が向上すると共に液体窒素、保冷槽が
不要となり、かつ熱交換器の小容量化が果たされ、ひい
ては作業効率が向上する等の効果が得られる。In other words, in the production of slush hydrogen for rocket fuel, cooling by radiation is improved, liquid nitrogen and cold storage tanks are no longer required, and the capacity of the heat exchanger is reduced, which in turn improves work efficiency. is obtained.
第１図は、本発明の一実施例に係るスラッシュ水素用液
体水素タンクの縦断面図、第２図は、従来のシールド方
式によるスラッシュ水素用液体水素タンクの縦断面図で
ある。
１・・・シールド板冷却管、２・・・シールド板５・・
・真空ポンプ、 ８・・・熱交換器。
１０・・・液体水素タンク。FIG. 1 is a longitudinal sectional view of a liquid hydrogen tank for slush hydrogen according to an embodiment of the present invention, and FIG. 2 is a longitudinal sectional view of a liquid hydrogen tank for slush hydrogen using a conventional shield method. 1... Shield plate cooling pipe, 2... Shield plate 5...
・Vacuum pump, 8...Heat exchanger. 10...Liquid hydrogen tank.
Claims (1)
部上方に一端を連通され同液体水素タンクの外周を囲繞
して他端を排気可能に設けられたシールド板冷却管と、
同シールド板冷却管の中途に介装された真空ポンプ及び
熱交換器とを具備してなることを特徴とするスラッシュ
水素用液体水素タンク。a shield plate cooling pipe having one end communicating with the inside of the liquid hydrogen tank which is vacuum insulated and covered with a shield plate, surrounding the outer periphery of the liquid hydrogen tank, and having the other end capable of being evacuated;
A liquid hydrogen tank for slush hydrogen characterized by comprising a vacuum pump and a heat exchanger interposed in the middle of the shield plate cooling pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5665290A JPH03260575A (en) | 1990-03-09 | 1990-03-09 | Liquid hydrogen tank for slush hydrogen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5665290A JPH03260575A (en) | 1990-03-09 | 1990-03-09 | Liquid hydrogen tank for slush hydrogen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03260575A true JPH03260575A (en) | 1991-11-20 |
Family
ID=13033301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5665290A Pending JPH03260575A (en) | 1990-03-09 | 1990-03-09 | Liquid hydrogen tank for slush hydrogen |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03260575A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2673707A1 (en) * | 1991-03-08 | 1992-09-11 | Iwatani & Co | HYDROGEN PRODUCTION APPARATUS INCLUDING SOLID HYDROGEN AND LIQUID HYDROGEN CO-EXISTING WITH EACH OTHER. |
| US5402649A (en) * | 1993-09-02 | 1995-04-04 | Rockwell International Corporation | Spray-freeze slush hydrogen generator |
| EP1033543A2 (en) * | 1999-03-04 | 2000-09-06 | The Boeing Company | Slush producing process and device |
-
1990
- 1990-03-09 JP JP5665290A patent/JPH03260575A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2673707A1 (en) * | 1991-03-08 | 1992-09-11 | Iwatani & Co | HYDROGEN PRODUCTION APPARATUS INCLUDING SOLID HYDROGEN AND LIQUID HYDROGEN CO-EXISTING WITH EACH OTHER. |
| US5402649A (en) * | 1993-09-02 | 1995-04-04 | Rockwell International Corporation | Spray-freeze slush hydrogen generator |
| EP1033543A2 (en) * | 1999-03-04 | 2000-09-06 | The Boeing Company | Slush producing process and device |
| EP1033543A3 (en) * | 1999-03-04 | 2001-03-14 | The Boeing Company | Slush producing process and device |
| AU779749B2 (en) * | 1999-03-04 | 2005-02-10 | Boeing Company, The | Slush producing process and device |
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