JP2020025924A - 燃料ガス吸着カートリッジ、これを用いた燃料ガス吸着装置、及び燃料ガス吸着カートリッジの交換時期判断方法 - Google Patents
燃料ガス吸着カートリッジ、これを用いた燃料ガス吸着装置、及び燃料ガス吸着カートリッジの交換時期判断方法 Download PDFInfo
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- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- B01J20/08—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04 comprising aluminium oxide or hydroxide; comprising bauxite
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Abstract
【解決手段】 燃料ガス吸着装置11は、燃料ガス吸着容器13に細粒状多孔質ガス吸着材を充填してなる燃料ガス吸着カートリッジ12と、この燃料ガス吸着カートリッジ12の燃料ガス吸着容器13の入口部14に連通した燃料ガス供給配管14Aと、出口部15に連有した排出用配管15Aとを備える。排出用配管15Aには、CO2センサ17が設けられている。一方、燃料ガス供給配管14A側の基端側には、プロパンガスGのガスボンベ18が接続されている。このような燃料ガス吸着カートリッジ12において、細粒状多孔質ガス吸着材は、あらかじめCO2を吸着させたものを燃料ガス吸着容器13の下流側に配置している。
【選択図】 図2
Description
本実施形態において、吸着対象となる燃料ガスとしては、メタンガス、プロパンガス、ブタンガスなどの炭化水素系のガス、またはこれらのガスを主成分とする混合ガスであり、特に安全性のために着臭剤を含有しているものに対して好適に適用することができる。これらの中では、プロパンガス及びメタンガスが好適である。
(燃料ガス吸着容器)
本実施形態において、細粒状多孔質ガス吸着材を充填する燃料ガス吸着容器は、一過式のものであり、円柱状や矩形筒状の容器の両端が開口してそれぞれ入口部と出口部とが形成された筐体、あるいは入口部と中空排出管により形成された出口部とを有する円柱状や矩形筒状の容器を用いることができる。この入口部には燃料ガス源に接続したチューブ配管が接続されるとともに、出口部には排出用のチューブ配管が接続され、その途中には後述するセンサが設けられる。
本実施形態において細粒状多孔質ガス吸着材としては、ガス吸着能を有する多孔質材料であれば特に制限はなく、無機多孔質材料や炭素系多孔質材料を好適に用いることができる。
燃料ガス吸着カートリッジは、上述したような燃料ガス吸着容器に細粒状多孔質ガス吸着材を充填してなる。
プロパンガス>CO2>メタンガス>窒素>酸素>水>メタノール
本実施形態においてセンサとしては、吸着対象となる燃料ガスよりも吸着性の低い成分を検出可能なものを用いる。具体的には、CO2を吸着させた場合には炭酸ガスセンサを、窒素や酸素を吸着させた場合には窒素や酸素のそれぞれのセンサを、水やメタノールを吸着させた場合には、湿度センサあるいはアルコール計を用いればよい。
次に上述したような燃料ガス吸着装置を用いた燃料ガス吸着カートリッジの交換時期判断方法について説明する。
これは下記式(1)のような化学反応による。
R−CO2+C3H8 → R−C3H8+CO2↑+吸着熱 ・・・・(1)
(式中、Rはガス吸着材である)
燃料ガス吸着装置11として図2に示す装置を用い、燃料ガス吸着容器13に臭素添着活性炭(平均粒径4mm、平均細孔径15Å)を総量で1500g充填したものを燃料ガス吸着カートリッジ12として用意した。この際、燃料ガスの流通方向に対して燃料ガス吸着容器13の下流側にあらかじめCO2を吸着させた活性炭を60g(4容積%)充填した。なお、CO2センサ17としては、WINSEN社製「MH−Z14A」CO2センサを使用した。
実施例1において、下流側にあらかじめCO2を吸着させた活性炭を410g(27容積%)充填した以外は同様にして燃料ガス吸着装置11を構成し、同様にしてプロパンガスGを10L/分の流量で流通し、燃料ガス吸着カートリッジ12の出口からの排出ガスのカロリーを熱量計16により測定するとともにCO2センサ17によりCO2ガスの濃度を測定した結果を、燃料ガス吸着カートリッジ12に流入するプロパンガスGのカロリーとともに図3にあわせて示す。また、図3におけるCO2ガスの濃度の推移を図4にあわせて示す。
2,13 燃料ガス吸着容器
3 入口部(ガス流入部材)
4 出口部(排出管)
5A,5B スペーサ部材
6,7 細粒状多孔質ガス吸着材
11 燃料ガス吸着装置
14 入口部
14A 燃料ガス供給配管
15 出口部
15A 排出用配管
16 熱量計
17 CO2センサ(吸着性の低い成分のセンサ)
18 ガスボンベ
19 流量計
20 開閉バルブ
G プロパンガス(燃料ガス)
G1 排出ガス
Claims (7)
- 入口と出口とを有する燃料ガス吸着容器に細粒状多孔質ガス吸着材を充填してなる燃料ガス吸着カートリッジであって、前記細粒状多孔質ガス吸着材の少なくとも一部が吸着対象となる燃料ガスよりも吸着性の低い成分を吸着させたものである、燃料ガス吸着カートリッジ。
- 入口と出口とを有する燃料ガス吸着容器に細粒状多孔質ガス吸着材を充填してなり、前記細粒状多孔質ガス吸着材の少なくとも一部が吸着対象となる燃料ガスよりも吸着性の低い成分を吸着させたものである燃料ガス吸着カートリッジと、
前記燃料ガス吸着容器の出口側に設けられた前記吸着性の低い成分のセンサと
を有する、燃料ガス吸着装置。 - 前記吸着対象となる燃料ガスが、メタンガス、プロパンガス、ブタンガス又はこれらのガスを主成分とする混合ガスである、請求項2に記載の燃料ガス吸着装置。
- 前記細粒状多孔質ガス吸着材が、炭素系多孔質材料、ゼオライト、シリカゲル又は多孔質アルミナから選ばれたものである、請求項2又は3に記載の燃料ガス吸着装置。
- 前記吸着性の低い成分を吸着させた細粒状多孔質ガス吸着材が、燃料ガスの流通方向に対して前記燃料ガス吸着容器の下流側に配置されている、請求項2〜4のいずれか一項に記載の燃料ガス吸着装置。
- 前記吸着性の低い成分を吸着させた細粒状多孔質ガス吸着材が、細粒状多孔質ガス吸着材の総量に対して、2〜50容積%である、請求項5に記載の燃料ガス吸着装置。
- 入口と出口とを有する燃料ガス吸着容器に細粒状多孔質ガス吸着材を充填してなり、前記細粒状多孔質ガス吸着材の少なくとも一部が吸着対象となる燃料ガスよりも吸着性の低い成分を吸着させたものである燃料ガス吸着カートリッジの前記燃料ガス吸着容器の入口側から吸着対象となるガスを流通し、前記燃料ガス吸着カートリッジの出口側に設けた前記吸着性の低い成分のセンサにより該吸着性の低い成分を計測して、前記燃料ガス吸着カートリッジのガス吸着能を予測する、燃料ガス吸着カートリッジの交換時期判断方法。
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US20040083896A1 (en) * | 2002-07-17 | 2004-05-06 | Mihaylov Gueorgui Milev | End of service life indicator for fluid filter |
US20140109879A1 (en) * | 2012-10-22 | 2014-04-24 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Filter arrangement for a tank ventilation system of a fuel tank |
JP2014202269A (ja) * | 2013-04-03 | 2014-10-27 | 株式会社豊田中央研究所 | アンモニア放出装置 |
JP2015505731A (ja) * | 2011-12-12 | 2015-02-26 | スリーエム イノベイティブ プロパティズ カンパニー | 積層フィルターカートリッジのための耐用期間終了指示システム |
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US20040083896A1 (en) * | 2002-07-17 | 2004-05-06 | Mihaylov Gueorgui Milev | End of service life indicator for fluid filter |
JP2015505731A (ja) * | 2011-12-12 | 2015-02-26 | スリーエム イノベイティブ プロパティズ カンパニー | 積層フィルターカートリッジのための耐用期間終了指示システム |
US20140109879A1 (en) * | 2012-10-22 | 2014-04-24 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Filter arrangement for a tank ventilation system of a fuel tank |
JP2014202269A (ja) * | 2013-04-03 | 2014-10-27 | 株式会社豊田中央研究所 | アンモニア放出装置 |
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JP7231288B1 (ja) | 2022-02-04 | 2023-03-01 | 圭介 中根 | ガス捕捉装置およびガス捕捉剤バッグ |
JP2023114335A (ja) * | 2022-02-04 | 2023-08-17 | 圭介 中根 | ガス捕捉装置およびガス捕捉剤バッグ |
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