JPH0685848B2 - Plate fin heat exchanger integrated adsorption device - Google Patents
Plate fin heat exchanger integrated adsorption deviceInfo
- Publication number
- JPH0685848B2 JPH0685848B2 JP63304685A JP30468588A JPH0685848B2 JP H0685848 B2 JPH0685848 B2 JP H0685848B2 JP 63304685 A JP63304685 A JP 63304685A JP 30468588 A JP30468588 A JP 30468588A JP H0685848 B2 JPH0685848 B2 JP H0685848B2
- Authority
- JP
- Japan
- Prior art keywords
- heat exchanger
- adsorbent
- adsorption device
- plate fin
- heat transfer
- 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.)
- Expired - Lifetime
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/025—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like elements
- F28F3/027—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like elements with openings, e.g. louvered corrugated fins; Assemblies of corrugated strips
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/025—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like elements
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Separation Of Gases By Adsorption (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明はプレートフィン熱交換器一体型吸着装置に関
し、さらに詳しくは吸着物質を吸着した吸着剤の再生を
効率よく行うことがきるプレートフィン熱交換器一体型
吸着装置に関する。The present invention relates to a plate fin heat exchanger-integrated adsorption device, and more particularly to a plate fin heat that can efficiently regenerate an adsorbent that has adsorbed an adsorbed substance. The present invention relates to an exchange-type adsorption device.
従来、吸着分離装置における吸着剤の再生方法には、温
度を高くして吸着物質を脱着する方法（TSA:Thermal Sw
ing Adsorption）と、圧力を低くして吸着物質を脱着す
る方法（PSA:Pressure Swing Adsorption）とがある。Conventionally, as a method of regenerating an adsorbent in an adsorption separation device, a method of desorbing an adsorbed substance by increasing the temperature (TSA: Thermal Swing) is used.
ing Adsorption) and a method of lowering the pressure to desorb the adsorbed material (PSA: Pressure Swing Adsorption).
前記TSAには、吸着剤を直接高温のガスまたはスチーム
で加熱して脱着させる方法と、熱交換器タイプの吸着塔
で間接的に加熱して脱着させる方法とがあり、前者が主
流に行われている。しかし、これらのTSAによる方法で
は、吸・脱着のサイクルが数時間から数日と長くかかる
欠点がある。すなわち、前者の直接加熱では、吸着剤の
加熱、冷却に多量のスチームおよびパージガスが必要で
あり、冷却に長時間を必要とする。また後者の間接加熱
でも、吸着層内に伝熱管を埋め込むか、シェルアンドチ
ューブ熱交換器のチューブ内に吸着剤を詰めて行うため
伝熱面積を充分大きくとれず、吸着剤の加熱、冷却に長
時間を必要とする。In the TSA, there are a method of directly heating and desorbing an adsorbent with high-temperature gas or steam, and a method of indirectly heating and desorbing with a heat exchanger type adsorption tower, and the former is mainly used. ing. However, these TSA methods have a drawback that the adsorption / desorption cycle takes a long time of several hours to several days. That is, in the former direct heating, a large amount of steam and purge gas are required for heating and cooling the adsorbent, and a long time is required for cooling. Even in the latter indirect heating, the heat transfer area cannot be sufficiently large because the heat transfer tube is embedded in the adsorption layer or the adsorbent is packed in the tube of the shell-and-tube heat exchanger. It takes a long time.
一方、PSAは系の圧力変化によって吸・脱着を行う方法
であるが、この際にも吸着熱による発熱、吸熱が起こ
り、吸着塔内の温度が変化して吸着剤の利用効率が低下
する欠点がある。この問題を解決するために吸着塔内に
伝熱管を設置することが考えられるが、伝熱面積が充分
にとれず、また吸着剤粒子間の伝熱が悪く、不均一な温
度分布になるなどの理由で工業的規模の装置にはほとん
ど使用されていない。On the other hand, PSA is a method of absorbing and desorbing by changing the pressure of the system, but also at this time heat generation and heat absorption due to adsorption heat occur, the temperature in the adsorption tower changes and the utilization efficiency of the adsorbent decreases There is. It may be possible to install a heat transfer tube in the adsorption tower to solve this problem, but the heat transfer area cannot be sufficient and the heat transfer between the adsorbent particles is poor, resulting in an uneven temperature distribution. For this reason, it is rarely used in industrial scale equipment.
従来のPSAには熱交換器が使用されることがあるが、こ
れは吸着塔内の温度を一定に保つために行われるもので
あり、PSAとTSAとの組合わせを目的として行われている
ものではない。これらの組合わせは、従来の熱交換器で
は加熱および冷却に時間がかかりすぎるため、PSAの吸
・脱着のサイクルと一致せず行うことができかった。A conventional PSA may use a heat exchanger, but this is done to keep the temperature inside the adsorption tower constant, and it is done for the purpose of combining PSA and TSA. Not a thing. These combinations could not be performed because the heating and cooling of conventional heat exchangers took too long, which did not coincide with the PSA adsorption / desorption cycle.
本発明の目的は、前記従来技術の問題点を解決し、伝熱
面積を大きくして吸着剤の加熱および冷却の時間を大幅
に短縮することができるプレートフィン熱交換器一体型
吸着装置を提供することにある。An object of the present invention is to solve the above-mentioned problems of the prior art and provide a plate fin heat exchanger integrated adsorption device capable of enlarging the heat transfer area and greatly shortening the heating and cooling times of the adsorbent. To do.
本発明のプレートフィン熱交換器一体型吸着装置は、伝
熱フィンを備えた隔壁プレートによって形成される流路
を、前記伝熱フィンの向きが交差するように交互に重ね
合わせ、かつ同方向の一方の流路に吸着剤を充填させた
ことを特徴とする。The plate fin heat exchanger integrated adsorbing device of the present invention alternately superposes the flow paths formed by the partition plates having the heat transfer fins so that the directions of the heat transfer fins intersect, and One of the flow paths is characterized by being filled with an adsorbent.
以下、本発明を実施例により詳しく説明する。第１図
は、本発明のプレートフィン熱交換器一体型吸着装置の
断面図、第２図は、第１図における熱媒体および処理ガ
スの流れ方向を示す図である。Hereinafter, the present invention will be described in detail with reference to Examples. FIG. 1 is a cross-sectional view of the plate fin heat exchanger integrated adsorption device of the present invention, and FIG. 2 is a view showing the flow directions of the heat medium and the processing gas in FIG.
この装置は、複数の隔壁プレート１と、該隔壁プレート
１によって一段おきに形成される熱媒体流路4Aと、該熱
媒体流路4Aにその流れ方向と方向に設けられる伝熱フィ
ン2Aと、前記熱媒体流路4Aの間に形成され、その流れ方
向が前記熱媒体流路4Aと90゜異なる処理ガス流路4Bと、
該処理ガス流路4Bにその流れ方向と同方向に設けられた
伝熱フィン2Bと、前記処理ガス流路4Bに充填される吸着
剤３とから主として構成される。This apparatus includes a plurality of partition plates 1, heat medium channels 4A formed by the partition plates 1 in alternate steps, and heat transfer fins 2A provided in the heat medium channels 4A in the flow direction and direction. A processing gas channel 4B formed between the heat medium channels 4A and having a flow direction different from the heat medium channel 4A by 90 °.
The process gas flow path 4B is mainly composed of heat transfer fins 2B provided in the same direction as the flow direction, and an adsorbent 3 filled in the process gas flow path 4B.
なお、前記熱媒体流路4Aおよび処理ガス流路4Bは、第２
図に示すようにそれぞれの出入口ヘッダーを介して外部
配管に接続されている。The heat medium channel 4A and the processing gas channel 4B are the second
As shown in the figure, they are connected to external pipes via respective inlet / outlet headers.
各流路に設けられる伝熱フィン2A、2Bとしては、例えば
第３図および第４図に示す高密度に配置されたフィンが
用いられる。第３図は、波型で長尺のフィン、第４図
は、波型で短尺のフィンを流れ方向に千鳥状に配置した
ものである。該フィン間の幅は３〜8mm程度が好まし
い。充填する吸着剤３としては、ゼオライト、活性炭な
どが用いられるが、これらに限定されるものではない。As the heat transfer fins 2A and 2B provided in each flow path, for example, the fins arranged in high density shown in FIGS. 3 and 4 are used. FIG. 3 shows wavy and long fins, and FIG. 4 shows wavy and short fins arranged in a staggered manner in the flow direction. The width between the fins is preferably about 3 to 8 mm. Zeolite, activated carbon and the like are used as the adsorbent 3 to be filled, but the adsorbent 3 is not limited to these.
このような構成において、まず処理ガス６は、処理ガス
流路4Bに導入され、該流路4Bを通過する間に吸着剤３に
よって処理ガス中の物質が吸着され、精製ガス７となっ
て精製ガス出口から排出される。次に前記物質を吸着し
た吸着剤３は、熱媒体流路4Aを流れる熱媒体５によって
加熱され、吸着物質の脱着が行われた後、冷却されて再
生される。In such a structure, first, the processing gas 6 is introduced into the processing gas channel 4B, and the substance in the processing gas is adsorbed by the adsorbent 3 while passing through the channel 4B to be purified gas 7 and purified. Emitted from the gas outlet. Next, the adsorbent 3 that has adsorbed the substance is heated by the heat medium 5 flowing through the heat medium flow path 4A to desorb the adsorbed substance, and then cooled and regenerated.
前記加熱および冷却は、各流路4A、4Bに設けられた伝熱
フィン2A、2Bによって伝熱面積が大きくなっているた
め、短時間で均一な温度分布が得られる。従って吸・脱
着サイクル時間を著しく短縮することができる。具体的
には、従来、数時間から数日かかっていたTSAの吸・脱
着サイクルが数分から数十分に短縮できる。また加熱お
よび冷却の際に、熱媒体５の流れ方向を切りかえること
によってさらに急速加熱、急速冷却が可能となる。In the heating and cooling, since the heat transfer area is increased by the heat transfer fins 2A and 2B provided in the flow paths 4A and 4B, a uniform temperature distribution can be obtained in a short time. Therefore, the adsorption / desorption cycle time can be significantly shortened. Specifically, the adsorption / desorption cycle of TSA, which conventionally took several hours to several days, can be shortened from several minutes to several tens of minutes. Further, at the time of heating and cooling, by switching the flow direction of the heat medium 5, rapid heating and rapid cooling are possible.
本発明のプレートフィン熱交換器一体型吸着装置によれ
ば、加熱および冷却時間を大幅に短縮することができる
ため、次のような利点がある。According to the plate-fin-heat-exchanger-integrated adsorption device of the present invention, the heating and cooling times can be significantly shortened, and therefore, the following advantages can be obtained.
（１）吸着塔サイズを従来のものより大幅に小さくする
ことができる。(1) The size of the adsorption tower can be made significantly smaller than that of the conventional one.
（２）PSAの吸・脱着サイクルと同調させることがで
き、PSAの利点とTSAの利点を合わせ持った吸着装置の実
現が可能となり、（ａ）PSA装置の小型化が図れ、
（ｂ）吸着剤の利用効率が向上し、また（ｃ）減圧のみ
で脱着されにくい成分を含むガスの処理が可能となり、
さらに（ｄ）高温または低温でのPSA操作が可能とな
る。(2) It can be synchronized with the adsorption / desorption cycle of PSA, and it is possible to realize an adsorption device that has the advantages of PSA and TSA, and (a) the PSA device can be downsized.
(B) The utilization efficiency of the adsorbent is improved, and (c) it becomes possible to process a gas containing a component which is difficult to be desorbed only by decompression.
Furthermore, (d) PSA operation at high or low temperature is possible.
また本発明の装置は、間接加熱であるため、吸着成分を
高濃度で回収することができ、また熱媒体をそのまま循
環使用することができる。Further, since the apparatus of the present invention is indirect heating, it is possible to recover the adsorbed component at a high concentration, and it is possible to circulate and use the heat medium as it is.
第１図は、本発明のプレートフィン熱交換器一体型吸着
装置の断面図、第２図は、第１図における熱媒体および
処理ガスの流れを示す図、第３図および第４図は、本発
明における伝熱フィンの一例を示す図である。 １……隔壁プレート、2A、2B……伝熱フィン、３……吸
着剤、4A……熱媒体流路、4B……処理ガス流路、５……
熱媒体、６……処理ガス、７……製精ガス。FIG. 1 is a cross-sectional view of the plate fin heat exchanger integrated adsorption device of the present invention, FIG. 2 is a view showing the flow of the heat medium and process gas in FIG. 1, and FIGS. It is a figure which shows an example of the heat transfer fin in this invention. 1 ... Partition plate, 2A, 2B ... Heat transfer fin, 3 ... Adsorbent, 4A ... Heat medium flow path, 4B ... Processing gas flow path, 5 ...
Heat medium, 6 ... Processing gas, 7 ... Refining gas.
Claims (1)
形成される流路を、前記伝熱フィンの向きが交差するよ
うに交互に重ね合わせ、かつ同方向の一方の流路に吸着
剤を充填させたことを特徴とするプレートフィン熱交換
器一体型吸着装置。1. A flow path formed by a partition wall plate having heat transfer fins is alternately superposed so that the directions of the heat transfer fins intersect, and one flow path in the same direction is filled with an adsorbent. An adsorption device integrated with a plate fin heat exchanger, characterized in that
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63304685A JPH0685848B2 (en) | 1988-12-01 | 1988-12-01 | Plate fin heat exchanger integrated adsorption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63304685A JPH0685848B2 (en) | 1988-12-01 | 1988-12-01 | Plate fin heat exchanger integrated adsorption device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02152513A JPH02152513A (en) | 1990-06-12 |
| JPH0685848B2 true JPH0685848B2 (en) | 1994-11-02 |
Family
ID=17935987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63304685A Expired - Lifetime JPH0685848B2 (en) | 1988-12-01 | 1988-12-01 | Plate fin heat exchanger integrated adsorption device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0685848B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6746515B2 (en) * | 2001-04-30 | 2004-06-08 | Battelle Memorial Institute | Method and apparatus for thermal swing adsorption and thermally-enhanced pressure swing adsorption |
| GB0617721D0 (en) * | 2006-09-08 | 2006-10-18 | Univ Warwick | Heat exchanger |
-
1988
- 1988-12-01 JP JP63304685A patent/JPH0685848B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02152513A (en) | 1990-06-12 |
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