JPS627416A - Adsorbing tower - Google Patents
Adsorbing towerInfo
- Publication number
- JPS627416A JPS627416A JP60145692A JP14569285A JPS627416A JP S627416 A JPS627416 A JP S627416A JP 60145692 A JP60145692 A JP 60145692A JP 14569285 A JP14569285 A JP 14569285A JP S627416 A JPS627416 A JP S627416A
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- adsorption
- layer
- adsorption tower
- regeneration
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
Landscapes
- Separation Of Gases By Adsorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、ガス中に含まれるＣＯ２及びＨ２Ｏを効率的
に吸着除去する吸着塔に関するものであり、更に詳しく
は、接触燃焼法による雰囲気ガス製造における燃焼排ガ
ス中よりＣＯ２及びＨ２Ｏを除去して、Ｎ２を主成分と
する雰囲気ガスを製造するのに特に適した吸着塔に関す
るものである。Detailed Description of the Invention (Industrial Application Field) The present invention relates to an adsorption tower that efficiently adsorbs and removes CO2 and H2O contained in gas, and more specifically relates to an adsorption tower that efficiently adsorbs and removes CO2 and H2O contained in gas. The present invention relates to an adsorption tower that is particularly suitable for removing CO2 and H2O from combustion exhaust gas during production to produce an atmospheric gas containing N2 as a main component.
（従来の技術）
ゼオライト吸着剤は気体の中のＣＯ２，Ｈ２Ｏを効率よ
く除去ケることができ、（）かも再生して何度も再使用
できるものであるので工業的用途に広範に使用されてい
る。従来の吸着塔はこのゼオライト吸着剤をその内部に
充填して、ゼオライト充填層を通して燃焼排ガス等を流
すことにより、燃焼排ガス中のＣＯ２及びＨ２Ｏを同時
に吸着除去していた。(Prior art) Zeolite adsorbents can efficiently remove CO2 and H2O from gases, and can be regenerated and reused many times, so they are widely used in industrial applications. ing. Conventional adsorption towers are filled with this zeolite adsorbent, and CO2 and H2O in the combustion exhaust gas are simultaneously adsorbed and removed by flowing the combustion exhaust gas through the zeolite packed bed.
（発明が解決しようとする問題点）
しかしながら上述した従来法では、ゼオライト吸着剤に
よりＣＯ２及びＨｚＯを同時に吸着除去ブるため、この
際ビオライトは吸着が容易なＨｚＯを優先的に吸着し、
ＣＯ２除去効率が短時間で低下していた。そのため、３
０分間に１回程度の再生処理が必要であると共に、再生
してもまたＨｚＯを選択的に吸着除去してしまうため、
ＣＯ２を有効に除去することができない欠点があった。(Problems to be Solved by the Invention) However, in the conventional method described above, CO2 and HzO are adsorbed and removed at the same time using a zeolite adsorbent.
The CO2 removal efficiency decreased in a short period of time. Therefore, 3
Regeneration processing is required about once every 0 minutes, and even after regeneration, HzO is selectively adsorbed and removed.
There was a drawback that CO2 could not be effectively removed.
本発明の目的は上述した不具合を解消して、吸着剤の寿
命を長くすることができると共に、ＣＯｚの吸着効率を
悪化させることのない吸着塔を提供しようとするもので
ある。本発明の弛の目的は、吸着剤の再生処理が簡単か
つ確実にできる吸着塔を提供しようとするものである。An object of the present invention is to provide an adsorption tower that can eliminate the above-mentioned problems and extend the life of the adsorbent without deteriorating the COz adsorption efficiency. It is an object of the present invention to provide an adsorption tower in which regeneration of adsorbent can be performed easily and reliably.
（問題点を解決するための手段）
本発明は、燃焼ガス中に含まれるＣＯ２及びＨｚＯを吸
着除去するための、排ガス導入口と排ガス導出口とを有
する吸着塔において、前記排ガス導入口に近い上流側に
設けた活性アルミナ、活性炭、シリカゲルの少くとも一
種以上よりなる吸湿層と、前記排ガス導出口に近い下流
側に設けたビオライトよりなる吸着層とを具えることを
特徴とするもものである。(Means for Solving the Problems) The present invention provides an adsorption tower having an exhaust gas inlet and an exhaust gas outlet for adsorbing and removing CO2 and HzO contained in combustion gas. A moisture absorption layer made of at least one of activated alumina, activated carbon, and silica gel provided on the upstream side, and an adsorption layer made of biolite provided on the downstream side near the exhaust gas outlet. be.
なお、上述した吸湿層とゼオライト吸着層との間に空間
部を設は該空間部に再生ガス排出口を設けることが好ま
しく、また、排ガス導入口及び排ガス導出口に再生処理
用の再生ガス吹込管を連結してもよい。もちろん、再生
ガス吹込口を排ガス導入口及び排ガス導出口と異にして
設けてもよい。In addition, if a space is provided between the moisture absorption layer and the zeolite adsorption layer described above, it is preferable to provide a regeneration gas discharge port in the space, and also to inject regeneration gas for regeneration processing into the exhaust gas inlet and exhaust gas outlet. The tubes may be connected. Of course, the regeneration gas inlet may be provided separately from the exhaust gas inlet and the exhaust gas outlet.
く作用）
上ｊホした構成において、上流側に設けた吸湿層により
ガス中のＨｚＯを吸着除去した後、ＨｚＯの少ないガス
を下流側のゼオライト吸着層に通してＣＯ２を有効に吸
着除去できるのＣ１ゼオライト吸着剤の寿命す゛なわら
吸着塔の寿命を長くすることができる。また、吸湿層と
吸着層との間の空間に再生ガス排出口を設けた場合は、
再生時に吸湿Ｎのガス導入側および吸着層のガス排出側
よりそれぞれ乾燥ガスを導入して再生ガス排出口からガ
スを排出すれば、再生ガスが他方の吸着剤又は吸湿剤に
悲影響を及ぼすことがない。In the configuration described above, after HzO in the gas is adsorbed and removed by the moisture absorption layer provided on the upstream side, CO2 can be effectively adsorbed and removed by passing the gas with less HzO through the zeolite adsorption layer on the downstream side. The life of the C1 zeolite adsorbent, that is, the life of the adsorption tower can be extended. In addition, if a regeneration gas outlet is provided in the space between the moisture absorption layer and the adsorption layer,
During regeneration, if drying gas is introduced from the gas introduction side of the hygroscopic N and the gas discharge side of the adsorption layer and the gas is discharged from the regeneration gas outlet, the regeneration gas will not have a negative effect on the other adsorbent or moisture absorbent. There is no.
（実施例） 第１図は本発明の吸着塔の一実施例を示す線図である。(Example) FIG. 1 is a diagram showing one embodiment of the adsorption tower of the present invention.
本実施例では、吸着塔１として一体構造のものを使用し
、その下部に排ガス導入口２を設けると共に上部には排
ガス導出口３を設けている。In this embodiment, an adsorption tower 1 having a monolithic structure is used, and an exhaust gas inlet 2 is provided at the lower part of the adsorption tower 1, and an exhaust gas outlet 3 is provided at the upper part.
また吸着塔１内の上流側には、排ガス中のＨ２Ｏ分を吸
着除去するための活性アルミナ、活性炭、シリカゲル等
よりなる吸湿層４をその上下を支持金網５により保持す
ることにより設けている。吸着塔１内の下流側には、ゼ
オライトよりなる吸着１６をその上下を支持金網７によ
り保持することにより設けている。なお本実施例では、
吸湿層４と吸着層６との間に空間部８を設けたが、空間
部８がない構造でも同様の効果がある。Further, on the upstream side of the adsorption tower 1, a moisture absorption layer 4 made of activated alumina, activated carbon, silica gel, etc. for adsorbing and removing the H2O content in the exhaust gas is provided by holding the upper and lower sides of the moisture absorption layer 4 with support wire meshes 5. On the downstream side of the adsorption tower 1, an adsorption member 16 made of zeolite is provided by holding the upper and lower sides of the adsorption member 16 with support wire meshes 7. In this example,
Although the space 8 is provided between the moisture absorbing layer 4 and the adsorption layer 6, a structure without the space 8 can also have the same effect.
第２図は第１図に示す吸着塔を使用して実際のシステム
を構成した一実施例を示す縮図である。FIG. 2 is a miniature diagram showing an example of an actual system constructed using the adsorption tower shown in FIG. 1.
２塔設けた吸着塔１ａ、１ｂの排ガス導入口２ａ。Exhaust gas inlet 2a of two adsorption towers 1a and 1b.
２ｂには、それぞれ電磁弁１１ａ 、 １１ｂを介して
原料ガス１２を供給する。吸着塔１ａ又は１ｂでＣＯ２
及びＨｚＯを吸着除去された原料ガス１２は、生成ガス
１３として排ガス導出口３ａ 、３ｂから電磁弁１４ａ
、 １４ｂを介して排出される。一方再生時には、吸
着塔の再生用ガス１５を加熱器１６および電磁弁１７ａ
、 １７ｂを介して排ガス導出口３ａ 、 ３ｂに供
給する。吸湿Ｒ４および吸着層６を活性化した再生使用
済ガス１８は、排ガス導入口２ａ 、 ２ｂ及び電磁弁
１９ａ 、 １９ｂを介しで排出される。上述した実施
例において吸着塔を２塔使用するのは、一方で実際の吸
着操作を行なっている間に他方で再生処理を行なって、
連続して吸着操作を行なえるよう構成するためである。2b is supplied with raw material gas 12 via electromagnetic valves 11a and 11b, respectively. CO2 in adsorption tower 1a or 1b
The raw material gas 12 from which HzO and HzO have been adsorbed and removed is transferred as a generated gas 13 from the exhaust gas outlet ports 3a and 3b to the electromagnetic valve 14a.
, 14b. On the other hand, during regeneration, the regeneration gas 15 of the adsorption tower is supplied to the heater 16 and the solenoid valve 17a.
, 17b to the exhaust gas outlets 3a, 3b. The regenerated spent gas 18 that has activated the moisture absorption R4 and the adsorption layer 6 is discharged through the exhaust gas inlets 2a, 2b and the electromagnetic valves 19a, 19b. The reason why two adsorption towers are used in the above-mentioned embodiments is that one is performing the actual adsorption operation while the other is performing the regeneration treatment.
This is because the structure is configured so that suction operations can be performed continuously.
第３図は本発明の吸着塔の他の実施例を示ず線図である
。本実施例に３３いて、第１図に示す実施例と同一の部
材には同一の番号を付しその説明を省略する。本実施例
で相違する点は、吸湿層４ど吸着層６どの間の空間部８
に開開自在のダンパー２１を設けると共に、このダンパ
ー２１を挾んで再生使用済ガス導出口２２．２３を設け
た点である。ここでダンパー２１は、吸着操作を行って
いるとぎはぞの」二下にガスが流通するよう開状態とな
る。一方眼湿層４および吸着層６の再生操作を行なって
いるときは閉状態どなり、排ガス導出口３、ゼオライト
吸着Ｍ６および再生使用済ガス導出口２２を通る流路と
、排ガス導入口２、吸湿層４および再生使用済ガス導出
口２３を通る流路とを形成する。FIG. 3 is a diagram showing another embodiment of the adsorption tower of the present invention. In this embodiment, the same members as those in the embodiment shown in FIG. The difference in this embodiment is that the space 8 between the moisture absorbing layer 4 and the adsorption layer 6 is
A damper 21 which can be opened and opened is provided at the bottom, and recycled spent gas outlet ports 22 and 23 are provided between the damper 21 and the damper 21. Here, the damper 21 is in an open state so that gas can flow under the gap where the adsorption operation is being performed. On the other hand, when the eye moisture layer 4 and the adsorption layer 6 are being regenerated, they are in a closed state, and the flow path passing through the exhaust gas outlet 3, the zeolite adsorption M6, and the recycled spent gas outlet 22, the exhaust gas inlet 2, and the moisture absorption A flow path passing through the layer 4 and the recycled spent gas outlet 23 is formed.
第４図は第３図に示す吸着塔を使用して実際のシステム
を構成した一実施例を示す絵図である。FIG. 4 is a pictorial diagram showing an example in which an actual system is constructed using the adsorption tower shown in FIG. 3.
本実施例は第２図に示したシステムとほとんど同様のも
のであり、第２図に示したシステムと同一部材には同一
符号を付しその説明を省略する。本実施例で相違する点
は、各吸着塔の再生時にダンパー２１ａ 、 ２１ｂを
閉状態として、再生用ガス１５を電磁弁１７ａ 、 １
７ｂ 、各排ガス導出口３ａ 、３ｂを介してゼオライ
ト吸着層５ａ 、５ｂに通して、その再生使用済ガス１
８を再生使用済ガス導出口２２ａ。This embodiment is almost the same as the system shown in FIG. 2, and the same members as those in the system shown in FIG. The difference in this embodiment is that when regenerating each adsorption tower, the dampers 21a and 21b are closed, and the regeneration gas 15 is supplied to the solenoid valves 17a and 1.
7b, the recycled spent gas 1 is passed through the zeolite adsorption layers 5a, 5b through the respective exhaust gas outlets 3a, 3b.
8 is the recycled spent gas outlet 22a.
２２ｂ１電磁弁２４ａ 、 ２４ｂを介して排出すると
共にさらに再生用ガス１５を電磁弁１９ａ 、 １９ｂ
、各排ガス導入口２ａ、２ｂを介して吸湿層４ａ 、
４ｂに通して、その再生使用済ガス１８を再生使用済ガ
ス導出口２３ａ 、 ２３ｂ 、電磁弁２４ａ 、 ２
４ｂを介して排出している点である。22b1 The regeneration gas 15 is discharged through the solenoid valves 24a and 24b, and the regeneration gas 15 is also discharged through the solenoid valves 19a and 19b.
, a moisture absorbing layer 4a through each exhaust gas inlet 2a, 2b,
4b, and the recycled used gas 18 is passed through the recycled used gas outlet ports 23a, 23b, and the electromagnetic valves 24a, 2.
4b.
第５図は本発明の吸着塔を使用して実際のシステムを構
成した他の実施例を示す線図である。本実施例において
、第４図に示すシステムと同一部材には同一符号を付し
その説明を省略する。本実施例では、吸湿層４と吸着層
６とを一体に構成せず別体に構成して、その間を配管し
て本発明の吸着塔を構成している。すなわち、吸着操作
時には原料ガス１２を電磁弁１１ａ 、 １１ｂ 、排
ガス導入口２ａ、２ｂを介して吸湿ＩＷ４ａ 、４ｂを
有する吸湿層３１ａ 、 ３１ｂに供給して８２０分を
吸着除去した後、排ガス導出口３２ａ 、 ３２ｂ 、
ｉＦａ弁３３ａ。FIG. 5 is a diagram showing another embodiment of an actual system using the adsorption tower of the present invention. In this embodiment, the same members as those in the system shown in FIG. 4 are designated by the same reference numerals, and their explanations will be omitted. In this embodiment, the hygroscopic layer 4 and the adsorption layer 6 are not integrally constructed, but are constructed separately, and piping is provided between them to construct the adsorption tower of the present invention. That is, during the adsorption operation, the raw material gas 12 is supplied through the electromagnetic valves 11a, 11b and the exhaust gas inlets 2a, 2b to the moisture absorption layers 31a, 31b having the moisture absorption IWs 4a, 4b, and after 820 minutes is adsorbed and removed, the exhaust gas outlet is removed. 32a, 32b,
iFa valve 33a.
３３１）を介して排ガス導入口 ３４ａ 、 ３４ｂよ
りゼオライト吸着層６ａ 、６ｂを有するゼオライト吸
着塔３５ａ 、 ３５ｂに供給する。ゼオライト吸着塔
３５ａ。331) and is supplied from exhaust gas inlets 34a, 34b to zeolite adsorption towers 35a, 35b having zeolite adsorption layers 6a, 6b. Zeolite adsorption tower 35a.
３５ｂで００２分を吸着除去した精製ガス１３は排ガス
導出口３ａ 、３ｂ 、’Ｒ磁弁１４ａ 、 １４ｂを
介して排出する構成をとっている。一方、再生時には、
再生用ガス１５を加熱器１６で加熱した後、電磁弁３６
ａ 、 ３６ｂ 、排ガス導出Ｄ３ａ 、 ３ｂ ヲ介
シＴ、−ｆ！オライ１〜吸着塔３５ａ 、 ３５ｂに供
給すると共に、電磁弁３７ａ 、 ３７ｂ 、排ガス導
出口３２ａ 、 ３２ｂを介して吸湿層３１ａ 、 ３
１ｂに供給している。吸着層５ａ。The purified gas 13 from which 002 minutes have been adsorbed and removed by 35b is discharged through exhaust gas outlet ports 3a, 3b and 'R magnetic valves 14a, 14b. On the other hand, during playback,
After heating the regeneration gas 15 with the heater 16, the solenoid valve 36
a, 36b, exhaust gas derivation D3a, 3b wo-shi T, -f! It is supplied to the adsorption towers 35a, 35b, and is also supplied to the moisture absorption layers 31a, 3 through the electromagnetic valves 37a, 37b and exhaust gas outlets 32a, 32b.
1b. Adsorption layer 5a.
６ｂおよび吸湿層４ａ、４ｂの再生に使用された再生使
用済ガス１８は、排ガス導入口３４ａ 、 ３４ｂおよ
び電磁弁３８ａ 、 ３８ｂを介して排出されると共に
、す１ガス導入口２ａ、２ｂｔｊよび電磁弁３９ａ 、
３９ｂを介して排出される。The recycled spent gas 18 used for regenerating the moisture absorbing layers 6b and 4a, 4b is discharged through the exhaust gas inlets 34a, 34b and the electromagnetic valves 38a, 38b, and the gas inlets 2a, 2btj and the electromagnetic valve Valve 39a,
39b.
なａ３本発明の吸着塔を使用してＮ２を主成分とする雰
囲気ガスを製造する実際のシステムを構成した第２図、
第４図、第５図において、再生ガス１５としては高温の
精製ガスの１部分を使用するのが望ましい。また、加熱
器１６に再生用ガス１５を通し、加熱した俊これを吸着
層および吸湿層に導入して加熱再生する方法の他に、再
生使用済ガス１８を通す配管に真空ポンプを接続し再生
用ガス１５を流しながら吸着塔１内を減圧にすることに
より再生する方法も適用可能であり、この場合には加熱
器１６が不要となるので省エネルギーの点から好ましい
方法と言える。Figure 2 shows an actual system for producing atmospheric gas mainly composed of N2 using the adsorption tower of the present invention.
In FIGS. 4 and 5, it is desirable to use a portion of the high temperature purified gas as the regeneration gas 15. In addition to the method of heating and regenerating by passing the regeneration gas 15 through the heater 16 and introducing the heated gas into the adsorption layer and moisture absorption layer, it is also possible to regenerate by connecting a vacuum pump to the piping through which the regenerated spent gas 18 passes. A method of regeneration by reducing the pressure inside the adsorption tower 1 while flowing the gas 15 is also applicable, and in this case, the heater 16 is not required, so it can be said to be a preferable method from the point of view of energy saving.
実施例１
第１図に示す本発明の吸着塔を使用し、第２図に示すガ
ス流路により４ｖｏＡ％Ｈ２０，１２ＶＯぶ％ＣＯ２を
含む燃焼排ガス中のＮ２０とＣＯ２を吸着除去した。こ
こで、吸湿層として５メツシユ（約４１φ）の粒状シリ
カゲルを４０β充填すると共に、吸Ｉｓとして６メツシ
ユ（３，２１ｍφ）の球状合成ゼオライト（平均孔径５
人）を６０ｉ充填した。この吸着塔に毎時１０ Ｎ ｍ
”の燃焼排ガスを通し吸着操作を行なった。一方眼湿層
及び吸着層の再生は、吸着処理後の精製ガスのうち１０
％容吊を２５０℃に加熱して、吸着操作時と逆方尚で吸
着塔内に通すことにより行なった。Example 1 Using the adsorption tower of the present invention shown in FIG. 1, N20 and CO2 in a combustion exhaust gas containing 4 voA% H20, 12 VO% CO2 were adsorbed and removed through the gas flow path shown in FIG. Here, granular silica gel of 5 meshes (approximately 41 mφ) was filled with 40β as a moisture absorption layer, and 6 meshes (3.21 mφ) of spherical synthetic zeolite (average pore diameter 5
60i was filled. 10 Nm per hour to this adsorption tower
The adsorption operation was carried out through the combustion exhaust gas of 100% of the purified gas after the adsorption treatment.
This was carried out by heating the sample to 250° C. and passing it through an adsorption column in the opposite direction to that during the adsorption operation.
Ｎ２０及びＣＯ２の除去効率ならびに吸着能がなくなる
までの時間すなわち破過時間を測定した結果を第１表に
示す。なお比較例として、従来行われていた様に合成ゼ
オライト１段にして １ｏｏλ充填した吸着塔による除
去効率ならびに破過時間をも第１表に併わせで示す。Table 1 shows the results of measuring the removal efficiency of N20 and CO2 as well as the time until the adsorption capacity disappears, that is, the breakthrough time. As a comparative example, Table 1 also shows the removal efficiency and breakthrough time using an adsorption tower packed with 100 λ of synthetic zeolite in one stage, as has been done conventionally.
第１表から明らかなように、本発明の実施例と比較例を
比べると、本発明の実施例の方がＣＯ２及びＨ２Ｏの除
去効率も良好で破過時間も長いことがわかる。As is clear from Table 1, when the Examples of the present invention and the Comparative Examples are compared, it can be seen that the Examples of the present invention have better CO2 and H2O removal efficiency and longer breakthrough time.
実施例２
第３図に示す本発明の吸着塔を使用し、第４図に示すガ
ス流路により４■ＯＪ２％Ｈ２０，１２ｖｏβ％ＧＯ２
を含む燃焼排ガス中のＨ２ＯとＣＯ２を吸着除去した。Example 2 Using the adsorption tower of the present invention shown in Fig. 3, 4■OJ2%H20,12voβ%GO2 was
H2O and CO2 contained in the combustion exhaust gas were adsorbed and removed.
また、吸湿層及び吸＠層は実施例１と同じものを使用し
、同様の吸着操作を行なった。Further, the same moisture absorption layer and @ absorption layer as in Example 1 were used, and the same adsorption operation was performed.
一方、吸湿層及び吸着）Ａの再生は、各層をダンパーに
より隔離した後、吸着処理後の精製ガスのうち１０％容
量を２５０℃に加熱して吸湿層及び吸着層に別々に通し
た。On the other hand, for regeneration of hygroscopic layer and adsorption) A, each layer was isolated by a damper, and then 10% volume of the purified gas after adsorption treatment was heated to 250° C. and passed through the hygroscopic layer and adsorption layer separately.
Ｈ２Ｏ及びＣＯ２の除去効率ならびに破過時間を測定し
た結果を第２表に示す。なお実施例１と同様の比較例の
結果も第２表に示す。The results of measuring H2O and CO2 removal efficiency and breakthrough time are shown in Table 2. Note that the results of comparative examples similar to those of Example 1 are also shown in Table 2.
第２表
第２表からも、本発明の実施例の方がＣＯ２及びＨ２Ｏ
の除去効率も良好で破過時間も長いことがわかる。Table 2 Table 2 also shows that the embodiment of the present invention has a higher CO2 and H2O
It can be seen that the removal efficiency is good and the breakthrough time is long.
本発明は上述した実施例にのみ限定されるものではなく
、幾多の変形、変更が可能である。例えば上述した実施
例では、吸湿層及び吸着層を支持するのに金網を用いた
が、他の手段例えばパンチングプレート、多孔板等によ
っても好適に保持することができる。また、再生時のガ
ス流通方法も上述した実施例に限定されるものでなく、
吸湿層及び吸着層を通り抜ける構成であればどのような
ものでも良い。The present invention is not limited only to the embodiments described above, and numerous modifications and changes are possible. For example, in the above-mentioned embodiments, a wire mesh was used to support the moisture absorption layer and the adsorption layer, but they may also be suitably supported by other means such as a punching plate or a perforated plate. Furthermore, the gas distribution method during regeneration is not limited to the above-mentioned embodiments,
Any structure may be used as long as it can pass through the moisture absorption layer and adsorption layer.
（発明の効果）
以上詳細に説明したところから明らかなように、本発明
の吸着塔によれば、ゼオライト吸着層とは別に吸湿層を
設けているため、吸着塔の寿命が長くなると共に吸着効
率特に００２分の吸着効率を向上することができる。ま
た、吸湿層及び吸着層の再生処理を簡単かつ確実に実施
することができる。(Effects of the Invention) As is clear from the above detailed explanation, according to the adsorption tower of the present invention, since the moisture absorption layer is provided separately from the zeolite adsorption layer, the life of the adsorption tower is lengthened and the adsorption efficiency is increased. In particular, the adsorption efficiency for 002 minutes can be improved. Furthermore, the regeneration treatment of the moisture absorbing layer and adsorption layer can be easily and reliably performed.
第１図は本発明の吸着塔の一実施例を示ず線図、第２図
は第１図に示す吸着塔を使用して実際のシステムを構成
した一実施例を示す線図、第３図は本発明の吸着塔の他
の実施例を示す線図、
第４図は第３図に示す吸着塔を使用して実際のシステム
を構成した一実施例を示す線図、第５図は本発明の吸着
塔を使用して実際のシステムを構成した他の実施例を示
す線図である。
１・・・吸着塔 ２・・・排ガス導入口３・・
・排ガス導出口 ４・・・吸湿層５．１・・・支持
金網 ６・・・吸着層８・・・空間部
１１、１４．１７．１９．２４．３３．３６．３７．３
８．３９・・・電磁弁
１２・・・原料ガス １３・・・精製ガス１５・
・・再生用ガス １６・・・加熱器１８・・・再生
使用済ガス ２１・・・ダンパー２２．２３・・・再生
使用済ガス導出口３１・・・吸湿基 ３２・・
・排ガス導出口３４・・・排ガス導入口 ３５・・
・ビオライト吸着塔特許出願人 日本碍子株式会社
ｆｆａ、１イｂ、（４ａ、ｆ４ｂ、ｆ’ｌａ、ｆ’７ｂ
、／’？ａ、１Ｑｂ＝ｔＪＡ＃第４図
２４ａ、２４ｂ、・−・電磁弁
３ｆσ、３ｊｂ−−−一吸１罎FIG. 1 is a diagram showing an embodiment of the adsorption tower of the present invention, FIG. 2 is a diagram showing an embodiment of an actual system using the adsorption tower shown in FIG. 1, and FIG. The figure is a line diagram showing another embodiment of the adsorption tower of the present invention, Figure 4 is a line diagram showing an example in which an actual system is configured using the adsorption tower shown in Figure 3, and Figure 5 is a diagram showing an example in which an actual system is constructed using the adsorption tower shown in Figure 3. FIG. 4 is a diagram showing another example in which an actual system is configured using the adsorption tower of the present invention. 1...Adsorption tower 2...Exhaust gas inlet 3...
・Exhaust gas outlet 4...Moisture absorption layer 5.1...Support wire mesh 6...Adsorption layer 8...Space 11, 14.17.19.24.33.36.37.3
8.39... Solenoid valve 12... Source gas 13... Purified gas 15.
... Regeneration gas 16 ... Heater 18 ... Regeneration spent gas 21 ... Damper 22.23 ... Regeneration spent gas outlet 31 ... Moisture absorption base 32 ...
・Exhaust gas outlet 34...Exhaust gas inlet 35...
・Biolite adsorption tower patent applicant Nippon Insulator Co., Ltd. ffa, 1b, (4a, f4b, f'la, f'7b
,/'? a, 1Qb=tJA# Fig. 4 24a, 24b, --- Solenoid valve 3fσ, 3jb --- 1 breath
Claims (1)
除去するための、排ガス導入口と排ガス導出口とを有す
る吸着塔において、前記排ガス導入口に近い上流側に設
けた活性アルミナ、活性炭、シリカゲルの少くとも一種
以上よりなる吸湿層と、前記排ガス導出口に近い下流側
に設けたゼオライトよりなる吸着層とを具えることを特
徴とする吸着塔。 ２、前記吸湿層と吸着層との間に空間部を設け、該空間
部に対応する位置に再生ガス排出口を設ける特許請求の
範囲第１項記載の吸着塔。 ３、前記排ガス導入口及び排ガス導出口に、再生処理用
の再生ガス吹込管を連結する特許請求の範囲第２項記載
の吸着塔。 ４、前記排ガス導入口及び排ガス導出口とは異なる再生
ガス吸込口を前記吸湿層の上流側と前記吸着層の下流側
とに設ける特許請求の範囲第２項記載の吸着塔。[Scope of Claims] 1. In an adsorption tower having an exhaust gas inlet and an exhaust gas outlet for adsorbing and removing CO_2 and H_2O contained in combustion gas, an active substance is provided on the upstream side near the exhaust gas inlet. An adsorption tower comprising a moisture absorption layer made of at least one of alumina, activated carbon, and silica gel, and an adsorption layer made of zeolite provided on the downstream side near the exhaust gas outlet. 2. The adsorption tower according to claim 1, wherein a space is provided between the moisture absorbing layer and the adsorption layer, and a regeneration gas outlet is provided at a position corresponding to the space. 3. The adsorption tower according to claim 2, wherein a regeneration gas blowing pipe for regeneration processing is connected to the exhaust gas inlet and the exhaust gas outlet. 4. The adsorption tower according to claim 2, wherein a regeneration gas suction port different from the exhaust gas inlet and exhaust gas outlet is provided on the upstream side of the moisture absorption layer and the downstream side of the adsorption layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60145692A JPS627416A (en) | 1985-07-04 | 1985-07-04 | Adsorbing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60145692A JPS627416A (en) | 1985-07-04 | 1985-07-04 | Adsorbing tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS627416A true JPS627416A (en) | 1987-01-14 |
Family
ID=15390891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60145692A Pending JPS627416A (en) | 1985-07-04 | 1985-07-04 | Adsorbing tower |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS627416A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6434422A (en) * | 1987-07-29 | 1989-02-03 | Kansai Coke & Chemicals | Method for separating and recovering high purity co2 from exhaust gas discharged from ironworks |
| US5531809A (en) * | 1994-09-14 | 1996-07-02 | Air Products And Chemicals, Inc. | Pretreatment layer for CO-VSA |
| US5632807A (en) * | 1993-06-03 | 1997-05-27 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Device for the separation of elements of a gas mixture by adsorption |
| US5755857A (en) * | 1994-11-30 | 1998-05-26 | The Boc Group Plc | Purification apparatus |
| JP2009274007A (en) * | 2008-05-14 | 2009-11-26 | Mitsubishi Heavy Ind Ltd | Air cleaner and air cleaning method |
| WO2013145899A1 (en) * | 2012-03-26 | 2013-10-03 | 株式会社日立製作所 | Carbon dioxide recovery system |
| WO2024047901A1 (en) * | 2022-09-01 | 2024-03-07 | 三菱重工業株式会社 | Carbon dioxide recovery apparatus and carbon dioxide recovery method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55158107A (en) * | 1979-05-29 | 1980-12-09 | Mitsubishi Electric Corp | Oxygen recycling type ozone generating apparatus |
-
1985
- 1985-07-04 JP JP60145692A patent/JPS627416A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55158107A (en) * | 1979-05-29 | 1980-12-09 | Mitsubishi Electric Corp | Oxygen recycling type ozone generating apparatus |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6434422A (en) * | 1987-07-29 | 1989-02-03 | Kansai Coke & Chemicals | Method for separating and recovering high purity co2 from exhaust gas discharged from ironworks |
| US5632807A (en) * | 1993-06-03 | 1997-05-27 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Device for the separation of elements of a gas mixture by adsorption |
| US5531809A (en) * | 1994-09-14 | 1996-07-02 | Air Products And Chemicals, Inc. | Pretreatment layer for CO-VSA |
| US5755857A (en) * | 1994-11-30 | 1998-05-26 | The Boc Group Plc | Purification apparatus |
| JP2009274007A (en) * | 2008-05-14 | 2009-11-26 | Mitsubishi Heavy Ind Ltd | Air cleaner and air cleaning method |
| WO2013145899A1 (en) * | 2012-03-26 | 2013-10-03 | 株式会社日立製作所 | Carbon dioxide recovery system |
| JP2013198868A (en) * | 2012-03-26 | 2013-10-03 | Hitachi Ltd | Carbon dioxide recovery system |
| WO2024047901A1 (en) * | 2022-09-01 | 2024-03-07 | 三菱重工業株式会社 | Carbon dioxide recovery apparatus and carbon dioxide recovery method |
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