High-purity nitrogen gas production equipment
    57.
    发明授权
    High-purity nitrogen gas production equipment 失效
    高纯氮气生产设备

    公开(公告)号:US4668260A

    公开(公告)日:1987-05-26

    申请号:US845278

    申请日:1986-03-12

    申请人: Akira Yoshino

    发明人: Akira Yoshino

    IPC分类号: F17C9/04 F25J3/04 F25J3/00

    摘要: There is disclosed high-purity nitrogen gas production equipment for production of ultra-high-purity nitrogen gas for use in the electronics and other industries, for example in connection with the production of silicon semiconductors. The conventional nitrogen gas production equipment of cryogenic air separation type tends to develop troubles and yields product nitrogen gas only at high cost and in comparatively low purity. The equipment according to the invention is such that a liquid nitrogen storage means (23) is connected via a first feeding pipeline (24a) to a distillation column (15) into which air is introduced from the outside via an air compression means (9) and heat exchange means (13), (14) while the above storage means (23) is also connected via a second feeding line (24b) to the above heat exchange means (13), (14). In this way, the raw material air is chilled to a cryogenic temperature as a result of absorption of the latent heat of evaporation by liquid nitrogen in the heat exchangers and the cryogenic compressed air is further chilled in the distillation column (15 ) by the heat of evaporation of liquid nitrogen. By taking advantage of the difference in boiling point, the nitrogen is withdrawn in gaseous state while oxygen is retained in liquid state. The resulting nitrogen gas is combined with the vaporized liquid nitrogen originating from the liquid nitrogen storage tank (23) to give product nitrogen gas. By these features, low-cost, high-purity nitrogen gas can be produced without machine troubles.

    摘要翻译: PCT No.PCT / JP85 / 00385 Sec。 371日期:1986年3月12日 102(e)日期1986年3月12日PCT提交1985年7月8日PCT公布。 出版物WO86 / 00693 日期为1986年1月30日。公开了用于生产用于电子等行业的超高纯度氮气的高纯度氮气生产设备,例如与硅半导体的生产有关。 常规的低温空气分离型氮气生产设备倾向于产生麻烦,仅以高成本和较低纯度产生产品氮气。 根据本发明的设备使得液氮存储装置(23)经由第一供给管线(24a)经由空气压缩装置(9)从外部引入空气的蒸馏塔(15)连接, 和热交换装置(13),(14),而上述存储装置(23)也经由第二供给管线(24b)连接到上述热交换装置(13),(14)。 以这种方式,原料空气由于在热交换器中吸收液氮的蒸发潜热而冷却至低温,低温压缩空气通过热量在蒸馏塔(15)中进一步冷却 的液氮蒸发。 通过利用沸点的差异,氮以气态取出,而氧保持在液态。 将得到的氮气与来自液氮储罐(23)的汽化液氮合并,得到产物氮气。 通过这些特征,可以在没有机器故障的情况下生产低成本,高纯度的氮气。

    Rocket propulsion method and means
    59.
    发明授权

    公开(公告)号:US3768254A

    公开(公告)日:1973-10-30

    申请号:US3768254D

    申请日:1962-07-09

    申请人: BOEING CO

    发明人: STUART D

    摘要: 15. A rocket comprising, in combination, a housing having an open inlet end portion and an outlet end portion, engine means mounted in said housing and having burner nozzles in a combustion chamber therein and an exhaust portion at said outlet end portion of said housing operable to discharge gases from said combustion chamber therethrough, a liquid hydrogen fuel storage tank positioned within said housing, a liquid air storage tank positioned within said housing, a heat exchanger mounted at said inlet portion of said housing and having an air inlet diffuser portion opening into a relatively narrow air desuperheater portion which in turn opens into an enlarged condenser portion, a plurality of tubes in said condenser portion and said air desuperheater portion of said heat exchanger, inlet headers with the inlet end of said tubes and outlet headers with the outlet end of said tubes, conduit means connected to said hydrogen fuel storage tank and connected to said inlet headers to pass liquid hydrogen fuel therethrough, control means with said last-named conduit means having pressure and temperature pickup means in said air desuperheater portion and said condenser portion of said heat exchanger to regulate flow of said fuel thereto to control pressure and temperature conditions in said air desuperheater portion and said condenser portion of said heater exchanger, conduit means positioned to receive fuel from said outlet headers of said air desuperheater portion and supply said fuel to said burner nozzles in said rocket engine, hydrogen fuel recirculating conduit means connecting said outlet headers of said tubes with the inlet of said hydrogen fuel storage tank, air condensate well means with said condenser portion of said heat exchanger, conduit means connecting said air condensate well with said liquid air storage tank and with said burner nozzles of said rocket engine, means with said liquid air storage tank to separate oxygen from the liquid air and make the same available to said burner nozzles to support combustion of the fuel, conduit means connecting said liquid air storage tank with said last-named means to provide liquid air from said liquid air storage tank thereto, and means in said rocket constructed and adapted to be initially fueled with liquid hydrogen and in flight to receive air from the atmosphere and condense same and separate the nitrogen therefrom to be used as the oxidizer for said hydrogen fuel for burning in said combustion chamber of said rocket engine.

    Method and apparatus for coordinating propulsion in a single stage space flight
    60.
    发明授权
    Method and apparatus for coordinating propulsion in a single stage space flight 失效
    在单阶段空间飞行中协调推进的方法和装置

    公开(公告)号:US3756024A

    公开(公告)日:1973-09-04

    申请号:US3756024D

    申请日:1962-02-23

    申请人: GEN DYNAMICS CORP

    发明人: GAY A

    摘要: 1. A method of propelling a space plane from the earth surface through the earth atmosphere into space and then return to the earth surface which plane initially carries fuel and utilizes oxidizer later collected from said atmosphere, comprising the steps of, propelling said plane from said earth''s surface to a given altitude and velocity in said atmosphere by liquid air cycle engine propulsion, propelling said plane at an increasing altitude and velocity for a given period of time by ramjet propulsion, collecting liquid air in said plane from said atmosphere during said given period of time, separating said liquid air into nitrogen and liquid oxygen, expelling said nitrogen from said vehicle while storing a sufficient quantity of said liquid oxygen in said plane to facilitate space flight using said liquid oxygen and said fuel in said liquid air cycle engine to propel said plane from said atmosphere into space by rocket propulsion, and flying said plane to said earth''s surface.

    摘要翻译: 1.一种将空间平面从地球表面通过地球大气推进到空间中的方法,然后返回到最初承载燃料的平面的地表,并且利用随后从所述气氛收集的氧化剂,包括以下步骤:将所述平面从所述 通过液体空气循环发动机推进在所述大气中的给定高度和速度的地球表面,通过冲压喷气推进在不断增加的高度和速度下推动所述飞机在给定的时间段内,在所述给定期间内从所述大气中收集液体空气 的时间,将所述液体空气分离成氮气和液态氧,在所述平面中储存足够量的所述液氧的同时将所述氮气从所述车辆排出,以利于在所述液体空气循环发动机中使用所述液氧和所述燃料来推进空间飞行 说飞机从大气进入太空,用火箭推进,飞机飞到地球表面。