JPH0217372A - Chemical reactor - Google Patents
Chemical reactorInfo
- Publication number
- JPH0217372A JPH0217372A JP16689288A JP16689288A JPH0217372A JP H0217372 A JPH0217372 A JP H0217372A JP 16689288 A JP16689288 A JP 16689288A JP 16689288 A JP16689288 A JP 16689288A JP H0217372 A JPH0217372 A JP H0217372A
- Authority
- JP
- Japan
- Prior art keywords
- reaction gas
- heating medium
- reaction
- gas
- chemical reactor
- 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
- 239000000126 substance Substances 0.000 title claims abstract description 36
- 239000012495 reaction gas Substances 0.000 claims abstract description 41
- 238000006243 chemical reaction Methods 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 11
- 238000001514 detection method Methods 0.000 claims description 11
- 239000007789 gas Substances 0.000 abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 230000002441 reversible effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract 1
- 239000000376 reactant Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 150000004681 metal hydrides Chemical class 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Sorption Type Refrigeration Machines (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、ケミカルヒートポンプやケミカル蓄熱装置
に用いる化学反応器の反応ガス洩れ検知に関するもので
ある。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to reaction gas leak detection in a chemical reactor used in a chemical heat pump or a chemical heat storage device.
第４図は例えば化学工学協会第２０回秋季大会（１９８
７年１０月９日〜１０月１１日、於姫路工業大学）の研
究発表講演要旨集６３９頁に示された従来の化学反応器
の断面図である。図において、■は化学反応器、２は化
学反応器１への反応ガス流入・流出口、３は化学反応器
ｌ内に設けられた複数の反応ガス流路、４は化学反応器
１内へ熱媒体（例えば水）を導入する入口、５は熱媒体
の出口、６は化学反応器１内に設けられた複数の熱媒体
流路である。化学反応器ｌはその本体枠体に、これら反
応ガス流入・流出ロ２９反応ガス流路３．熱媒体の入口
４．熱媒体の出口５．熱媒体流路６を適宜配設した構造
となっている。Figure 4 shows, for example, the 20th Autumn Conference of the Society of Chemical Engineers (198
7 is a cross-sectional view of a conventional chemical reactor shown in a collection of abstracts of research presentations held at Himeji Institute of Technology from October 9th to October 11th, 2007, page 639. In the figure, ■ is a chemical reactor, 2 is a reaction gas inlet/outlet to the chemical reactor 1, 3 is a plurality of reaction gas channels provided in the chemical reactor 1, and 4 is an inlet to the chemical reactor 1. 5 is an inlet for introducing a heat medium (for example, water); 5 is an outlet for the heat medium; and 6 is a plurality of heat medium flow paths provided in the chemical reactor 1. The chemical reactor l has these reaction gas inflow/outflow channels 29 and reaction gas channels 3 in its main body frame. Heat medium inlet 4. Heat medium outlet 5. It has a structure in which heat medium flow paths 6 are appropriately arranged.
また、反応ガス流路３部には、反応材料７が伝熱面８を
介して熱媒体と熱交換が可能な如く配設されており、フ
ィン９を設けて伝熱促進を図る構成となっている。Further, in the reaction gas flow path 3, a reaction material 7 is arranged so as to be able to exchange heat with the heat medium via a heat transfer surface 8, and fins 9 are provided to promote heat transfer. ing.
次に動作について説明する。第４図において、反応ガス
流入・流出口２から化学反応器１に導入されたガスは、
反応ガス流路３を通って反応材料７に至り、ここで反応
して発熱する。この熱は伝熱面８やフィン９を介して熱
媒体流路６を流れる熱媒体に伝達される。一方、逆反応
時には、熱媒体流路６を流れる熱媒体により、伝熱面８
やフィン９を介して反応材料７が加熱されガスを発生す
る。このガスは反応ガス流路３１反応ガス流入・流出口
２を経て化学反応器１の外部へと導出される。Next, the operation will be explained. In FIG. 4, the gas introduced into the chemical reactor 1 from the reaction gas inlet/outlet 2 is as follows:
It passes through the reaction gas flow path 3 and reaches the reaction material 7, where it reacts and generates heat. This heat is transferred to the heat medium flowing through the heat medium flow path 6 via the heat transfer surface 8 and the fins 9. On the other hand, during the reverse reaction, the heat transfer surface 8 is
The reaction material 7 is heated through the fins 9 and generates gas. This gas is led out to the outside of the chemical reactor 1 through the reaction gas flow path 31 and the reaction gas inlet/outlet 2 .
〔発明が解決しようとする課題］
従来の化学反応器は以上のように構成されているので、
反応ガス流路３や伝熱面８の一部から反応ガスが熱媒体
中に洩出しても、これを検知することができないという
課題があった。[Problem to be solved by the invention] Since the conventional chemical reactor is configured as described above,
Even if the reaction gas leaks into the heat medium from part of the reaction gas flow path 3 or the heat transfer surface 8, there is a problem in that this cannot be detected.
この発明は上記のような課題を解消するためになされた
もので、反応ガスが熱媒体中に洩出したときにこれを検
出できる化学反応器を得ることを目的とする。This invention was made to solve the above-mentioned problems, and an object thereof is to obtain a chemical reactor that can detect when a reaction gas leaks into a heat medium.
この発明に係る化学反応器は、化学反応器内の熱媒体中
に、該熱媒体へ洩出した反応ガスを検知する検知手段を
設けたものである。The chemical reactor according to the present invention is provided with a detection means for detecting a reaction gas leaking into the heat medium in the heat medium in the chemical reactor.
〔作 用］
この発明における検知手段は、熱媒体中に洩出した反応
ガスを検知するので、反応ガスのその後の大気中への放
出を防止できる。[Function] Since the detection means in the present invention detects the reactive gas leaked into the heat medium, the subsequent release of the reactive gas into the atmosphere can be prevented.
以下、この発明の一実施例を図について説明する。第１
図において、１は化学反応器、２は化学反応器１への反
応ガス流入・流出口、３は化学反応器１内に設けられた
複数の反応ガス流路、４は化学反応器１内へ熱媒体（例
えば水）を導入する入口、５は熱媒体の出口、６は化学
反応器１内に設けられた複数の熱媒体流路である。化学
反応器ｌはその本体枠体に、これら反応ガス流入・流出
ロ２１反応ガス流路３．熱媒体の入口４．熱媒体の出口
５．熱媒体流路６を適宜配設した構造となっている。An embodiment of the present invention will be described below with reference to the drawings. 1st
In the figure, 1 is a chemical reactor, 2 is a reaction gas inlet/outlet to the chemical reactor 1, 3 is a plurality of reaction gas flow paths provided in the chemical reactor 1, and 4 is an inlet into the chemical reactor 1. 5 is an inlet for introducing a heat medium (for example, water); 5 is an outlet for the heat medium; and 6 is a plurality of heat medium flow paths provided in the chemical reactor 1. The chemical reactor l has these reaction gas inflow/outflow channels 21, reaction gas channels 3. Heat medium inlet 4. Heat medium outlet 5. It has a structure in which heat medium flow paths 6 are appropriately arranged.
また、反応ガス流路３部には、反応材料７が伝熱面８を
介して熱媒体と熱交換が可能な如く配設備されており、
フィン９を設けて伝熱促進を図る構成となっている。Further, in the reaction gas flow path 3 section, the reaction material 7 is arranged so as to be able to exchange heat with the heat medium via the heat transfer surface 8.
The structure is such that fins 9 are provided to promote heat transfer.
１０は検知手段であり本実施例では熱媒体の出口５付近
に取付けられた例えば、アルカリ度検知器（ベーパー（
ｐＨ）センサ）である。１１は検知手段であり本実施例
では信号発信器である。Reference numeral 10 denotes a detection means, and in this embodiment, for example, an alkalinity detector (vapor) is installed near the outlet 5 of the heat medium.
pH) sensor). Reference numeral 11 denotes a detection means, which in this embodiment is a signal transmitter.
次に動作について説明する。第１図において、反応ガス
流入・流出口２から化学反応器１に導入されたガスは、
反応ガス流路３を通って反応材料７に至り、ここで反応
して発熱する。この熱は、伝熱面８やフィン９を介して
熱媒体流路６を流れる熱媒体（例えば水）に伝達され取
り去られる。Next, the operation will be explained. In FIG. 1, the gas introduced into the chemical reactor 1 from the reactant gas inlet/outlet 2 is as follows:
It passes through the reaction gas flow path 3 and reaches the reaction material 7, where it reacts and generates heat. This heat is transferred to the heat medium (for example, water) flowing through the heat medium flow path 6 via the heat transfer surface 8 and the fins 9, and is removed.
一方、逆反応時には熱媒体流路６を流れる熱媒体により
、伝熱面８やフィン９を介して反応材料７が加熱され反
応ガスを発生する。この反応ガスは反応ガス流路３２反
応ガス流入・流出口２を経て化学反応器１の外部へと導
出される。On the other hand, during the reverse reaction, the reaction material 7 is heated by the heat medium flowing through the heat medium flow path 6 via the heat transfer surface 8 and the fins 9 to generate a reaction gas. This reactive gas is led out to the outside of the chemical reactor 1 through the reactive gas flow path 32 and the reactive gas inlet/outlet port 2 .
上記した可逆反応動作時に、反応ガス流路３や伝熱面８
の一部から反応ガスが熱媒体中に洩出した時、この反応
ガスがアンモニアやメチルアミンなどの水溶性ガスの時
は、熱媒体である水に溶は込み、水流にのって熱媒体の
出口５方向に流れていく。During the reversible reaction operation described above, the reaction gas flow path 3 and the heat transfer surface 8
When the reaction gas leaks into the heating medium from a part of the gas, if this reaction gas is a water-soluble gas such as ammonia or methylamine, it dissolves in the water, which is the heating medium, and is carried by the water flow. It flows in five directions at the exit.
ところで、これら水溶液はアルカリ性を示すため、ベー
パー（ｐＨ）センサ１０により検知され信号発信器１１
により反応ガスの洩れが検出される。By the way, since these aqueous solutions exhibit alkalinity, they are detected by the vapor (pH) sensor 10 and sent to the signal transmitter 11.
Leakage of reactant gas is detected.
なお、上記実施例では、ベーパー（ｐＨ）センサｌＯに
よりアルカリ度を測定したが、これに限定されることな
く、反応ガスの種類により熱媒体の電気伝導度などを測
定してもよい。In the above embodiment, the alkalinity was measured using the vapor (pH) sensor IO, but the present invention is not limited to this, and the electrical conductivity of the heat medium may be measured depending on the type of reaction gas.
センサは１個でなく複数個を熱媒体中に配設し、例えば
熱媒体の入口ないしは出口で、これら特性値の変化を検
知し出力してもよい。Instead of one sensor, a plurality of sensors may be disposed in the heat medium to detect and output changes in these characteristic values, for example, at the inlet or outlet of the heat medium.
また、上記実施例では検知器による検知の場合を説明し
たが、熱媒体中に酸やアルカリによって変色する試薬（
例えばフェノールフタレインやビー・ティー・ビー（Ｂ
−Ｔ−Ｂ）溶液など）を予め入れておき、熱媒体の変色
により検知してもよい。In addition, although the above embodiment describes the case of detection using a detector, it is also possible to use a reagent that changes color due to acid or alkali in the heat medium (
For example, phenolphthalein and B.T.
-T-B) solution, etc.) may be added in advance, and detection may be performed by the discoloration of the heating medium.
反応ガスが、金属水素化物と反応させる水素の如く水溶
性のないもののときは、例えば第２図の断面Ｈに示すよ
うに熱媒体中に集気板１２と貯気部１３とを取付ける。When the reaction gas is not water-soluble, such as hydrogen to be reacted with a metal hydride, the air collection plate 12 and the air storage section 13 are installed in the heat medium, as shown in cross section H in FIG. 2, for example.
このとき、例えば伝熱面８の欠陥部１４から洩れた反応
ガスは、熱媒体中を上昇し集気板１２で集められ貯気部
１３に貯められる。この貯気部１３に液−ガスを検知す
る電気抵抗の検知器や静電容量の検知器を取付けたり、
あるいは気液面を検知する液面計を取付けておき、ガス
の洩れを検知してもよい。At this time, for example, the reaction gas leaking from the defective portion 14 of the heat transfer surface 8 rises in the heat medium, is collected by the air collection plate 12, and is stored in the air storage portion 13. An electrical resistance detector or a capacitance detector for detecting liquid-gas may be attached to this gas storage part 13,
Alternatively, a liquid level gauge for detecting the gas/liquid level may be installed to detect gas leakage.
また、化学反応器１は、第１図の構造に限られることな
く、第３図に示すように、反応材料７や反応ガスを充填
した反応容器１５を熱媒体中に配設しているものでもよ
い。Furthermore, the chemical reactor 1 is not limited to the structure shown in FIG. 1, but may include a reaction vessel 15 filled with a reaction material 7 and a reaction gas disposed in a heat medium as shown in FIG. But that's fine.
〔発明の効果］
以上のように、この発明によれば、化学反応器内の熱媒
体中に、該熱媒体へ洩出した反応ガスを検知する検知手
段を配設したので、反応ガスが大気中に放出する前に反
応ガス洩れを検知できる効果がある。[Effects of the Invention] As described above, according to the present invention, the detection means for detecting the reactive gas leaking into the heating medium in the chemical reactor is disposed, so that the reactive gas is not exposed to the atmosphere. It is effective in detecting leakage of reactant gas before it is released into the atmosphere.
第１図はこの発明の一実施例による化学反応器の断面図
、第２図及び第３回はこの発明の他の実施例による化学
反応器の断面図、第４図は従来の化学反応器の断面図で
ある。
１は化学反応器、７は反応材料、１０は検知手段（ペー
ハー（ｐＨ）センサ）、１１は検知手段（信吋発イ８器
）。
なお、図中、同一符号は同一、または相当部分を示す。FIG. 1 is a cross-sectional view of a chemical reactor according to an embodiment of the present invention, FIGS. 2 and 3 are cross-sectional views of chemical reactors according to other embodiments of the present invention, and FIG. 4 is a conventional chemical reactor. FIG. 1 is a chemical reactor, 7 is a reaction material, 10 is a detection means (a pH sensor), and 11 is a detection means (a 8-meter sensor). In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
充填した熱媒体によって熱交換する化学反応器において
、前記熱媒体中に、該熱媒体へ洩出した前記反応ガスを
検知する検知手段を設けたことを特徴とする化学反応器
。In a chemical reactor in which heat related to a chemical reaction between a reaction material and a reaction gas is exchanged with a heating medium filled around the heating medium, a detection means for detecting the reaction gas leaking into the heating medium is provided in the heating medium. A chemical reactor characterized by the following:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16689288A JPH0217372A (en) | 1988-07-06 | 1988-07-06 | Chemical reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16689288A JPH0217372A (en) | 1988-07-06 | 1988-07-06 | Chemical reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0217372A true JPH0217372A (en) | 1990-01-22 |
Family
ID=15839561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16689288A Pending JPH0217372A (en) | 1988-07-06 | 1988-07-06 | Chemical reactor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0217372A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SG95695A1 (en) * | 2001-06-26 | 2003-04-23 | Sumitomo Chemical Co | Method for detecting abnormality in process for exchanging heat |
| JP2014199166A (en) * | 2013-03-29 | 2014-10-23 | 三機工業株式会社 | Exhaust heat storage air conditioning heat source system using chemical heat storage |
| WO2016072331A1 (en) * | 2014-11-07 | 2016-05-12 | 株式会社豊田自動織機 | Chemical heat storage apparatus |
| JP2017089992A (en) * | 2015-11-12 | 2017-05-25 | 東邦瓦斯株式会社 | Method for detecting leakage of heat storage material in heat storage tank and heat storage tank |
-
1988
- 1988-07-06 JP JP16689288A patent/JPH0217372A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SG95695A1 (en) * | 2001-06-26 | 2003-04-23 | Sumitomo Chemical Co | Method for detecting abnormality in process for exchanging heat |
| JP2014199166A (en) * | 2013-03-29 | 2014-10-23 | 三機工業株式会社 | Exhaust heat storage air conditioning heat source system using chemical heat storage |
| WO2016072331A1 (en) * | 2014-11-07 | 2016-05-12 | 株式会社豊田自動織機 | Chemical heat storage apparatus |
| JP2017089992A (en) * | 2015-11-12 | 2017-05-25 | 東邦瓦斯株式会社 | Method for detecting leakage of heat storage material in heat storage tank and heat storage tank |
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