JP4945923B2 - Gas injection device and gas injection method - Google Patents

Gas injection device and gas injection method Download PDF

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JP4945923B2
JP4945923B2 JP2005134891A JP2005134891A JP4945923B2 JP 4945923 B2 JP4945923 B2 JP 4945923B2 JP 2005134891 A JP2005134891 A JP 2005134891A JP 2005134891 A JP2005134891 A JP 2005134891A JP 4945923 B2 JP4945923 B2 JP 4945923B2
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gas
pressure
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switching valve
plunger
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JP2006312115A (en
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鉱一 伊藤
仁 小川
一生 馬目
鉄太郎 古橋
裕子 手塚
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Tokyo Electric Power Co Inc
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<P>PROBLEM TO BE SOLVED: To provide a gas pressure-filling apparatus and a gas pressure-filling method capable of removing a remaining gas in a vessel and replacing it with a desired gas. <P>SOLUTION: The gas pressure-filling apparatus for pressure-filling a gas into a gaseous phase in a pressure-resistance vessel filled with a liquid is provided with a high pressure syringe 1 having an effective needle inserted into the vessel; a drive means 2 for sliding a plunger inserted into the syringe 1; a switching valve 3 connected to the plunger; and an ultrasonic wave excitation stirring apparatus 5 for imparting stirring and ultrasonic vibration to the liquid in the pressure-resistance vessel. The plunger is connected to a gas supplying source through the switching valve and discharges the gas in the pressure-resistance vessel by switching of the switching valve. The gas pressure-filling method using the apparatus is provided. <P>COPYRIGHT: (C)2007,JPO&amp;INPIT

Description

本発明は、一般化学工業分野等において、とりわけ実験室等における試験用として好適なガス圧入装置及びガス圧入方法に関する。   The present invention relates to a gas press-in apparatus and a gas press-in method suitable for testing in a general chemical industry field, especially in a laboratory.

従来より液体に溶存した気体を脱気する装置はよく知られている。例えば、特許文献1には、液体中の気体を短時間で確実に脱気する装置として、気体を溶存した液体が注入される容器の近傍に配置された超音波振動子と、容器の開口部に取付けられ排気口を有する真空槽と、排気口に連結された吸引手段とより構成される脱気装置が提案されている。この装置によれば、液状樹脂が硬化する前の限られた時間でも十分な脱気が可能なため、マイクロボイドの減少によって外観が良好になり、脱気時間の短縮により樹脂が硬化するまでの時間がより有効に使用でき、溶存している気体により樹脂の重合が阻害されて発生するモノマーから生じるクラックを防止することができる。   Conventionally, a device for degassing a gas dissolved in a liquid is well known. For example, in Patent Document 1, as an apparatus for reliably degassing a gas in a liquid in a short time, an ultrasonic vibrator disposed near a container into which a liquid in which a gas is dissolved is injected, and an opening of the container There has been proposed a deaeration device composed of a vacuum chamber having an exhaust port and suction means connected to the exhaust port. According to this apparatus, sufficient deaeration is possible even for a limited time before the liquid resin is cured, so the appearance is improved by reducing the microvoids, and until the resin is cured by reducing the deaeration time. Time can be used more effectively, and cracks caused by monomers generated by the polymerization of the resin being inhibited by the dissolved gas can be prevented.

また、特許文献2には、高速液体クロマトグラフィーの脱気装置として、溶離液を貯留する耐圧容器内にヘリウムガスを供給し、所定の圧力に保持することにより、溶離液への空気の再溶解を防止し脱気状態を保持する装置が提案されている。   In Patent Document 2, as a degassing device for high-performance liquid chromatography, helium gas is supplied into a pressure-resistant container for storing an eluent and kept at a predetermined pressure, thereby re-dissolving air in the eluent. An apparatus for preventing the above and maintaining a deaerated state has been proposed.

特開昭63−264107号公報JP 63-264107 A 特開2003−107063号公報JP 2003-107063 A

しかしながら、これらの提案はいずれも、液体に溶存した気体を脱気する装置に関するものである。ところが、触媒等を用いたガス反応においては、反応容器内に触媒、溶媒、ガス及び回転子等を入れた反応装置が用いられることがあり、この場合、反応容器内へのガスの注入は、目的ガスをボンベ圧で加圧可能な容器に圧入することにより行っている。そのため、容器内に空気等が残存したり、あるいは溶媒内の空気等を除去できないため、容器内を目的ガスに完全に置換できない問題点があった。   However, both of these proposals relate to an apparatus for degassing a gas dissolved in a liquid. However, in a gas reaction using a catalyst or the like, a reaction apparatus in which a catalyst, a solvent, a gas, a rotor, and the like are placed in a reaction container may be used. In this case, gas injection into the reaction container This is done by press-fitting the target gas into a container that can be pressurized with a cylinder pressure. Therefore, there is a problem that air or the like remains in the container or air or the like in the solvent cannot be removed, so that the inside of the container cannot be completely replaced with the target gas.

本発明は、前記従来の問題点に鑑みてなされたもので、容器内の残存ガスを除去し、目的ガスに確実に置換することが可能なガス圧入装置及びガス圧入方法を提供することを課題とする。   The present invention has been made in view of the above-described conventional problems, and it is an object of the present invention to provide a gas press-in device and a gas press-in method that can remove residual gas in a container and reliably replace it with a target gas. And

前記課題を解決するため、本発明者らは鋭意検討した結果、以下に示す構成により前記目的を達成できることを見出し、本発明を完成するに至った。   In order to solve the above-mentioned problems, the present inventors have intensively studied. As a result, they have found that the object can be achieved by the following configuration, and have completed the present invention.

すなわち、本発明は、以下のとおりである。
1)液体を充填した耐圧容器内の気相中へガスを圧入するガス圧入装置であって、前記耐圧容器内へ挿入する有孔針を有する高圧シリンジと、該シリンジ内に挿入されたプランジャを摺動させる駆動手段と、前記プランジャに接続する切替弁と、前記耐圧容器内の液体に攪拌及び超音波振動を与える超音波発振攪拌装置とを備え、前記プランジャは前記切替弁を介してガス供給源に接続し、前記切替弁の切替えによって前記耐圧容器内のガスを排気するように構成されてなることを特徴とするガス圧入装置、
2)前記駆動手段がエアダンパーに連結されている前記1)に記載のガス圧入装置、
3)前記耐圧容器内のガスは、前記切替弁に接続された排気配管を通して排気され、該排気配管は、気体を吸引する吸引手段を備えている前記1)または2)に記載のガス圧入装置、
4)前記耐圧容器を固定する固定手段を備えている前記1)〜3)のいずれかに記載のガス圧入装置、及び、
5)液体を充填した耐圧容器内へガスを圧入するガス圧入方法であって、ガス圧入時において前記耐圧容器内の液体に攪拌及び超音波振動を与えるとともに、前記耐圧容器に高圧シリンジに接続した有孔針を挿入し、該高圧シリンジ内に挿入されたプランジャに切替弁を介して接続した供給配管に外部からガスを供給し、前記プランジャの昇降により前記耐圧容器へのガスの圧入を行った後、容器内のガスを、前記切替弁の切替えにより該切替弁に接続した排気配管を通して排気することを特徴とするガス圧入方法。
That is, the present invention is as follows.
1) A gas press-fitting device for press-fitting a gas into a gas phase in a pressure-resistant container filled with a liquid, comprising a high-pressure syringe having a perforated needle inserted into the pressure-resistant container, and a plunger inserted into the syringe A driving means for sliding; a switching valve connected to the plunger; and an ultrasonic oscillation stirring device that applies stirring and ultrasonic vibration to the liquid in the pressure-resistant container, and the plunger supplies a gas via the switching valve. A gas press-fitting device, wherein the gas press-fitting device is connected to a source and configured to exhaust the gas in the pressure-resistant container by switching the switching valve;
2) The gas press-fitting device according to 1), wherein the driving means is connected to an air damper,
3) The gas press-fitting device according to 1) or 2) , wherein the gas in the pressure vessel is exhausted through an exhaust pipe connected to the switching valve, and the exhaust pipe includes suction means for sucking the gas. ,
4) The gas press-fitting device according to any one of 1) to 3) including a fixing means for fixing the pressure vessel, and
5) A gas press-fitting method for press-fitting gas into a pressure-resistant container filled with a liquid, and at the time of gas press-fitting, the liquid in the pressure-resistant container is agitated and subjected to ultrasonic vibration and connected to the pressure-resistant container with a high-pressure syringe. A perforated needle was inserted, gas was supplied from the outside to a supply pipe connected to the plunger inserted into the high-pressure syringe via a switching valve, and the gas was pressed into the pressure vessel by raising and lowering the plunger. Thereafter, the gas in the container is exhausted through an exhaust pipe connected to the switching valve by switching the switching valve.

本発明の上記構成によれば、耐圧容器内の液体に攪拌と超音波振動を与えながらガスの圧入と排気を繰り返すことにより、容器内の液体中に溶存しているガスを該液体中より排出すると共に、容器内のガスを目的ガス(圧入ガス)に確実に置換することができる。このため、実験精度の向上を図ることができる。更に、二酸化炭素(CO)ガスを圧入した場合はCO固定化反応を、効率よく、高精度で実施することができる。 According to the above configuration of the present invention, the gas dissolved in the liquid in the container is discharged from the liquid by repeating the press-fitting and exhausting of the gas while applying stirring and ultrasonic vibration to the liquid in the pressure-resistant container. In addition, the gas in the container can be surely replaced with the target gas (pressed gas). For this reason, it is possible to improve the experimental accuracy. Furthermore, when carbon dioxide (CO 2 ) gas is injected, the CO 2 fixation reaction can be carried out efficiently and with high accuracy.

また、駆動手段をエアダンパーに連結することにより、自動昇降が可能になると共に、針の侵入速度、角度が一定になり、シリンジのガタツキが無くなり、針挿入時のセプタムからの漏洩現象及びシリンジ昇降時の力が軽減される。   In addition, by connecting the drive means to the air damper, it is possible to automatically raise and lower, the needle entry speed and angle are constant, syringe backlash is eliminated, leakage from the septum during needle insertion, and syringe up and down The power of time is reduced.

また、排気配管が気体を吸引する吸引手段を備えることにより、排気配管を通じた容器からのガス排出量が増加するので、短時間で目的ガスに置換することができる。   In addition, since the exhaust pipe is provided with suction means for sucking gas, the amount of gas discharged from the container through the exhaust pipe increases, so that the target gas can be replaced in a short time.

さらに、上記ガス圧入装置に耐圧容器を固定する固定手段を備えた装置によれば、ガスの供給(圧入)及び排気操作が円滑となる。   Furthermore, according to the apparatus provided with the fixing means for fixing the pressure vessel to the gas press-fitting device, the gas supply (press-fitting) and the exhaust operation are smooth.

本発明の実施の形態を図面に基づいて説明する。図1は本発明の実施例に係るガス圧入装置の全体を示す正面外観図である。図2は高圧シリンジ廻りの拡大正面図、図3はダンパー部分の正面図であり、図5は本発明のガス圧入装置に用いることのできる耐圧容器の一例を示す外観斜視図と蓋体の部分拡大断面図である。   Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a front external view showing the entirety of a gas press-fitting device according to an embodiment of the present invention. 2 is an enlarged front view around the high-pressure syringe, FIG. 3 is a front view of the damper portion, and FIG. 5 is an external perspective view showing an example of a pressure vessel that can be used in the gas press-fitting device of the present invention and a lid portion. It is an expanded sectional view.

図1において、本発明のガス圧入装置は、液体22を充填した耐圧容器20内の気相中へガスを圧入する有孔針15を有する高圧シリンジ1と、該シリンジ内に挿入されたプランジャ11を摺動させる駆動手段(ハンドル)2と、前記プランジャ11に接続する切替弁(三方コック)3と、前記耐圧容器20内の液体に攪拌及び超音波振動を与える超音波発振攪拌装置5とを備え、前記プランジャ11は前記切替弁3を介してガス供給源(ボンベ)8に接続し、前記切替弁3の切替えによって前記耐圧容器20内のガスを排気するように構成されてなる。 In FIG. 1, the gas injection device of the present invention includes a high-pressure syringe 1 having a perforated needle 15 for injecting gas into a gas phase in a pressure-resistant container 20 filled with a liquid 22 , and a plunger 11 inserted into the syringe. A driving means (handle) 2 for sliding, a switching valve (three-way cock) 3 connected to the plunger 11 , and an ultrasonic oscillation stirring device 5 for applying stirring and ultrasonic vibration to the liquid in the pressure vessel 20 The plunger 11 is connected to a gas supply source (cylinder) 8 through the switching valve 3 and is configured to exhaust the gas in the pressure vessel 20 by switching the switching valve 3.

図1において、高圧シリンジ1は、ガス反応を加圧状態でも実施できるように、加圧可能なシリンジで構成され、固定具13等により構造体9に固定されている。高圧シリンジ1内に挿入されたプランジャ11は、ガス溜めとして機能する。プランジャ11は、駆動手段2に固定された切替弁(三方コック)3に接続され、該切替弁3はガス供給源8に接続する供給配管7aに接続しているので、切替弁3の切替えによって、ガス供給源からプランジャ内にガスを導入することが可能になる。その後、駆動手段を上下(昇降)させることにより、プランジャ11が連動して昇降(上下)するので、これにより耐圧容器20内にガスが注入される。 In Figure 1, the high-pressure syringe 1, as can be performed even if the gas reaction under pressure, is composed of a pressurizable syringe is fixed to the structure 9 by a fixing fixtures 13, and the like. The plunger 11 inserted into the high pressure syringe 1 functions as a gas reservoir. The plunger 11 is connected to a switching valve (three-way cock) 3 fixed to the driving means 2, and the switching valve 3 is connected to a supply pipe 7 a connected to the gas supply source 8. The gas can be introduced into the plunger from the gas supply source. Thereafter, when the drive unit 2 is moved up and down (up and down), the plunger 11 is moved up and down (up and down) in conjunction with each other, whereby gas is injected into the pressure vessel 20.

図2は、高圧シリンジ廻りを拡大して示す正面図である。高圧シリンジ1内に挿入されたプランジャ11は、シリンジ内を摺動しながら昇降するが、図2に示すように、切替弁3はプランジャ11の蓋を兼ねている。従って、プランジャ11を昇降させる前に切替弁3を閉じ、その後プランジャ11を昇降させることにより、一定量のガスを耐圧容器20に送り込むことができる。プランジャ11から送り込まれたガスは、高圧シリンジ1に備えられた有孔針(横穴針)15の針孔を通して、耐圧容器20内に入る。なお、有孔針15は、ネジ14で高圧シリンジ1に連結されている。 FIG. 2 is an enlarged front view showing the periphery of the high-pressure syringe. Plunger 11 inserted into the high-pressure syringe 1 is raised and lowered while sliding the syringe 1, as shown in FIG. 2, the switching valve 3 also serves as a lid of the plunger 11. Therefore, by closing the switching valve 3 before raising and lowering the plunger 11 and then raising and lowering the plunger 11, a certain amount of gas can be fed into the pressure resistant container 20 . The gas fed from the plunger 11 enters the pressure-resistant container 20 through the needle hole of the perforated needle (horizontal hole needle) 15 provided in the high-pressure syringe 1. The perforated needle 15 is connected to the high-pressure syringe 1 with a screw 14.

また、構造体9には、駆動手段2に連結されたエアダンパー4が固定されている。エアダンパー4は、例えば、図3に示すように上下に開口部を有するものを使用し、圧縮空気をダンパー上下より交互に入れることにより駆動手段2の自動昇降が可能になる。それにより、針の侵入速度、角度が一定になり、シリンジのガタツキが無くなり、針挿入時のセプタムからの漏洩現象及びシリンジ昇降時の力が軽減される。 In addition, an air damper 4 connected to the driving means 2 is fixed to the structure 9. As the air damper 4, for example, as shown in FIG. 3, an air damper having an upper and lower opening is used, and the driving means 2 can be automatically raised and lowered by alternately entering compressed air from above and below the damper. Thereby, the penetration speed and angle of the needle are constant, the backlash of the syringe is eliminated, the leakage phenomenon from the septum at the time of inserting the needle and the force at the time of raising and lowering the syringe are reduced.

図1において、ガスが圧入される耐圧容器20には、液体22が充填され、耐圧容器20内には攪拌子21が入っている。ガス圧入時及び排気時は、この耐圧容器20を超音波発振攪拌装置上に載置した水入り容器23の中に配置することが望ましい。耐圧容器20の周囲に水を存在させることにより、超音波を容器内部に伝えることが可能となり、攪拌子21による攪拌と超音波による振動で液体を攪拌し、ガスの溶解度を上げる効果がある。ここで、超音波振動攪拌装置は、超音波発振機能と攪拌機能を備えたものであればその形態は限定されず、一体として機能するものであっても、別体として機能するものであってもよい。 In FIG. 1, a pressure vessel 20 into which gas is injected is filled with a liquid 22, and a stirrer 21 is contained in the pressure vessel 20 . At the time of gas injection and exhaust, it is desirable to arrange the pressure vessel 20 in a water vessel 23 placed on the ultrasonic oscillation agitator 5 . The presence of water around the pressure vessel 20 makes it possible to transmit ultrasonic waves to the inside of the vessel, and has the effect of increasing the solubility of the gas by stirring the liquid by stirring with the stirrer 21 and vibration by the ultrasonic waves. Here, the form of the ultrasonic vibration agitator 5 is not limited as long as it has an ultrasonic oscillation function and an agitation function, and even if it functions as a unit, it functions as a separate body. May be.

ガス圧入装置には、ガスの供給(圧入)及び排気操作を円滑にするため、耐圧容器20を固定するためのバネやゴム等の固定手段を使用することが望ましい。図4は、固定バネ周辺部分の上面概略図であり、耐圧容器20をバネで固定した状態を示している。図4に示す様に、型枠となる構造体9に固定された2本の固定バネ6の間に、耐圧容器20を設置する。 In the gas press-fitting device, it is desirable to use fixing means such as a spring or rubber for fixing the pressure-resistant container 20 in order to facilitate gas supply (press-fitting) and exhaust operation. FIG. 4 is a schematic top view of the periphery of the fixed spring 6 and shows a state in which the pressure resistant container 20 is fixed by a spring. As shown in FIG. 4, a pressure-resistant container 20 is installed between two fixed springs 6 fixed to a structure 9 serving as a mold.

本発明のガス圧入装置及び方法においては、耐圧容器、なかでも耐圧性の透明容器が好ましく使用される。これは、二酸化炭素ガス等のガス圧入による反応実験を加圧状態でも実施可能にするためであり、また、光触媒を用いた反応を進行させるために容器自体の光透過性が要求されるからである。透明な耐圧容器としては、例えば、図5に示すような、ガラス製の耐圧容器等を使用することができ、外部にコーティングが施されていてもよい。 In the gas press-fitting apparatus and method of the present invention, a pressure-resistant container, particularly a pressure-resistant transparent container is preferably used. This is because it is possible to carry out a reaction experiment by injecting a gas such as carbon dioxide gas even in a pressurized state, and also because the light transmittance of the container itself is required to advance the reaction using the photocatalyst. is there. The transparent pressure vessel, for example, as shown in FIG. 5, it is possible to use glass-resistant container such as may be coating is applied to the outside.

圧容器20には、反応溶液となる液体の他、必要に応じて用いられる触媒を添加する。耐圧容器20は、上部の蓋体の下端部20bと本体の上端部20aがネジで嵌合するように作製されているので、該耐圧容器20に収容されたガスが漏出することはない。また、上部の蓋体は、耐圧容器20内へガスを圧入するためのシリンジ口20eと、圧入時のガス漏れを防止するためのシリコン栓20d、及びシリンジの挿入を調整するためのバルブ20cを有している。バルブ20cを左右いずれかに押すことにより、バルブが開閉する。バルブを開けた状態でガスを圧入し、圧入後バルブを閉じることにより、耐圧容器内が密閉状態に保たれる。 The resistant vessel 20, the other liquid as a reaction solution, adding a catalyst which is optionally used. Resistant vessel 20, the upper end portion 20a of the lower end portion 20b and the main body of the upper part of the lid is made to fit in a screw, the gas contained in the pressure vessel 20 will not leak out. The upper lid includes a syringe port 20e for press-fitting gas into the pressure vessel 20 , a silicon stopper 20d for preventing gas leakage during press-fitting, and a valve 20c for adjusting the insertion of the syringe. Have. By pushing the valve 20c to the left or right, the valve opens and closes. By injecting gas with the valve opened, and closing the valve after press-fitting, the inside of the pressure vessel is kept in a sealed state.

次に、本発明のガス圧入装置を用いたガス圧入方法を図1に基づき具体的に説明する。先ず、攪拌子21の入った耐圧容器20に、所定の液体22を充填した後、この耐圧容器20を超音波発振攪拌装置上に載置した水入り容器23内に配置し、前記耐圧容器20内の液体22に攪拌及び超音波振動を与える。前記液体22としては、特に限定されるものではないが、圧入ガスと反応させる溶媒(メタノール、エタノール、水等)や、それらの溶媒に添加剤や触媒等を溶解、分散させた溶液等が用いられる。 Next, a gas injection method using the gas injection device of the present invention will be specifically described with reference to FIG. First, the pressure vessel 20 containing the stirrer 21 is filled with a predetermined liquid 22, and then the pressure vessel 20 is disposed in a water vessel 23 placed on the ultrasonic oscillation stirrer 5. Stirring and ultrasonic vibration are given to the liquid 22 in 20 . The liquid 22 is not particularly limited, but a solvent (methanol, ethanol, water, etc.) to be reacted with the injection gas, a solution in which an additive, a catalyst, or the like is dissolved or dispersed in the solvent is used. It is done.

次に、前記の耐圧容器20に高圧シリンジ1に接続した有孔針15を挿入した後、三方コック3を切替え、ボンベ8から供給配管7aにガスを供給することにより、ガスは三方コックを介して接続したプランジャ11に導入される。ガスをプランジャ11に導入した後、プランジャ側の三方コックを閉じる。駆動手段(ハンドル)2の昇降によりプランジャ11が連動して昇降するので、該プランジャ11を昇降させてプランジャ内のガスを耐圧容器20へ圧入する。 Next, after inserting the perforated needle 15 connected to the high-pressure syringe 1 into the pressure vessel 20 , the three-way cock 3 is switched, and the gas is supplied to the supply pipe 7 a from the cylinder 8, so that the gas flows into the three-way cock 3 . It is introduced into the plunger 11 connected through the connector. After introducing the gas into the plunger 11 , the three-way cock on the plunger side is closed. The plunger 11 moves up and down in conjunction with the raising and lowering of the driving means ( handle ) 2 , so that the plunger 11 is raised and lowered to press-fit the gas in the plunger into the pressure-resistant container 20 .

その後、三方コック3を図1と逆方向に切替え、耐圧容器20内のガスを、三方コック3に接続した排気配管7bを通して排気する。排気配管7bを真空ポンプ等、気体を吸引する吸引手段に接続しておくことにより、排気を短時間で済ませることができる。また、排気中も超音波発振攪拌装置を作動させることにより、超音波による振動と攪拌によって、液体中のガスが空洞化現象により気泡となり、気泡を液体中から短時間で排出することができる。 Thereafter, the three-way cock 3 is switched in the opposite direction to that in FIG. 1, and the gas in the pressure-resistant container 20 is exhausted through the exhaust pipe 7 b connected to the three-way cock 3. By connecting the exhaust pipe 7b to a suction means for sucking gas, such as a vacuum pump, the exhaust can be completed in a short time. Also, by operating the ultrasonic oscillation stirring device 5 during exhaust, the gas in the liquid becomes bubbles due to the cavitation phenomenon by the vibration and stirring by the ultrasonic waves, and the bubbles can be discharged from the liquid in a short time. .

次に、三方コックを図1に示す方向に切替え、再び、上記のガス圧入操作を実施する。このガス圧入操作と排気操作を交互に実施することにより、耐圧容器内のガスを目的ガスに確実に置換することができる。 Next, the three-way cock 3 is switched to the direction shown in FIG. 1, and the above-described gas press-fitting operation is performed again. By alternately performing the gas press-fitting operation and the exhaust operation, the gas in the pressure-resistant container can be surely replaced with the target gas.

上記の実施例は、本発明における一実施形態を示すものであり、本発明は上記実施例に限定されることなく、特許請求の範囲に記載した発明の範囲内で、種々の変形が可能であり、それらも本発明の範囲内に含まれるものであることはいうまでもない。   The above embodiment shows one embodiment of the present invention, and the present invention is not limited to the above embodiment, and various modifications are possible within the scope of the invention described in the claims. Needless to say, they are also included in the scope of the present invention.

本発明の実施例に係るガス圧入装置の全体を示す正面外観図である。It is a front external view which shows the whole gas press-fitting apparatus which concerns on the Example of this invention. 図1に示すガス圧入装置の高圧シリンジ廻りの正面図である。It is a front view around the high pressure syringe of the gas press-fitting device shown in FIG. 図1に示すガス圧入装置のエアダンパー部分の正面図である。It is a front view of the air damper part of the gas press-fitting device shown in FIG. 図1に示すガス圧入装置の固定バネ周辺部分の上面概略図である。FIG. 2 is a schematic top view of a portion around a fixed spring of the gas press-fitting device shown in FIG. 1. 図1に示す耐圧容器の外観図とその蓋廻りの部分拡大断面図である。FIG. 2 is an external view of the pressure vessel shown in FIG. 1 and a partially enlarged sectional view around the lid.

1 高圧シリンジ
2 駆動手段
3 切替弁(三方コック)
4 エアダンパー
5 超音波発振攪拌装置
6 固定手段(固定バネ)
7a 供給配管
7b 排気配管
8 ガス供給源(ボンベ)
9 構造体
11 プランジャ
15 有孔針
20 耐圧容器
21 攪拌子
22 液体
23 水入り容器
1 High-pressure syringe 2 Driving means 3 Switching valve (3-way cock)
4 Air damper 5 Ultrasonic oscillation stirring device 6 Fixing means (fixing spring)
7a Supply pipe 7b Exhaust pipe 8 Gas supply source (cylinder)
9 Structure 11 Plunger 15 Perforated needle 20 Pressure-resistant container 21 Stirrer 22 Liquid 23 Water-filled container

Claims (5)

液体を充填した耐圧容器内の気相中へガスを圧入するガス圧入装置であって、前記耐圧容器内へ挿入する有孔針を有する高圧シリンジと、該シリンジ内に挿入されたプランジャを摺動させる駆動手段と、前記プランジャに接続する切替弁と、前記耐圧容器内の液体に攪拌及び超音波振動を与える超音波発振攪拌装置とを備え、前記プランジャは前記切替弁を介してガス供給源に接続し、前記切替弁の切替えによって前記耐圧容器内のガスを排気するように構成されてなることを特徴とするガス圧入装置。 A gas press-fitting device for press-fitting a gas into a gas phase in a pressure-resistant container filled with a liquid, wherein a high-pressure syringe having a perforated needle inserted into the pressure-resistant container and a plunger inserted in the syringe are slid Drive means, a switching valve connected to the plunger, and an ultrasonic oscillation stirring device that applies stirring and ultrasonic vibration to the liquid in the pressure-resistant container, and the plunger serves as a gas supply source via the switching valve. A gas press-fitting device, wherein the gas press-fitting device is configured to connect and exhaust the gas in the pressure-resistant container by switching the switching valve. 前記駆動手段がエアダンパーに連結されている請求項1に記載のガス圧入装置。 The gas press-fitting device according to claim 1, wherein the driving means is connected to an air damper. 前記耐圧容器内のガスは、前記切替弁に接続された排気配管を通して排気され、該排気配管は、気体を吸引する吸引手段を備えている請求項1または2に記載のガス圧入装置。 The gas press-fitting device according to claim 1 or 2 , wherein the gas in the pressure-resistant container is exhausted through an exhaust pipe connected to the switching valve, and the exhaust pipe includes a suction unit that sucks the gas. 前記耐圧容器を固定する固定手段を備えている請求項1〜3のいずれかに記載のガス圧入装置。 The gas press-fitting device according to any one of claims 1 to 3, further comprising fixing means for fixing the pressure vessel. 液体を充填した耐圧容器内へガスを圧入するガス圧入方法であって、ガス圧入時において前記耐圧容器内の液体に攪拌及び超音波振動を与えるとともに、前記耐圧容器に高圧シリンジに接続した有孔針を挿入し、該高圧シリンジ内に挿入されたプランジャに切替弁を介して接続した供給配管に外部からガスを供給し、前記プランジャの昇降により前記耐圧容器へのガスの圧入を行った後、容器内のガスを、前記切替弁の切替えにより該切替弁に接続した排気配管を通して排気することを特徴とするガス圧入方法。
A gas press-in method for press-fitting a gas into a pressure-resistant container filled with a liquid, and at the time of gas press-fitting, the liquid in the pressure-resistant container is agitated and subjected to ultrasonic vibration, and has a hole connected to the pressure-resistant container with a high-pressure syringe After inserting the needle, supplying gas from the outside to the supply pipe connected to the plunger inserted into the high-pressure syringe through the switching valve, and performing the press-fitting of the gas into the pressure-resistant container by raising and lowering the plunger, A gas injection method characterized in that the gas in the container is exhausted through an exhaust pipe connected to the switching valve by switching the switching valve.
JP2005134891A 2005-05-06 2005-05-06 Gas injection device and gas injection method Expired - Fee Related JP4945923B2 (en)

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