JPH0466866A - Thermal decomposition device for thermal decomposition chromatography - Google Patents
Thermal decomposition device for thermal decomposition chromatographyInfo
- Publication number
- JPH0466866A JPH0466866A JP17943190A JP17943190A JPH0466866A JP H0466866 A JPH0466866 A JP H0466866A JP 17943190 A JP17943190 A JP 17943190A JP 17943190 A JP17943190 A JP 17943190A JP H0466866 A JPH0466866 A JP H0466866A
- Authority
- JP
- Japan
- Prior art keywords
- thermal decomposition
- pyrolysis
- heat
- hole
- tube
- 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
- 238000005979 thermal decomposition reaction Methods 0.000 title abstract description 9
- 238000004587 chromatography analysis Methods 0.000 title description 3
- 238000000197 pyrolysis Methods 0.000 claims description 28
- 238000000045 pyrolysis gas chromatography Methods 0.000 claims description 3
- 239000012159 carrier gas Substances 0.000 abstract description 4
- 238000000354 decomposition reaction Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 239000004020 conductor Substances 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 238000004458 analytical method Methods 0.000 description 3
- 238000004817 gas chromatography Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、熱分解クロマトグラフィー用熱分解装置に関
する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a pyrolysis apparatus for pyrolysis chromatography.
熱分解クロマトグラフィーは、サンプルを５００〜６０
０℃の温度に加熱して熱分解した後、分解生成物をガス
クロマトグラフィーにより分析し、その結果から分解前
のサンプルの物質的特性を調べる方式のガスクロマトグ
ラフィーである。この熱分解は、キャリヤーガスの流路
であって分離カラムの上流に熱分解管を設け、この熱分
解管を加熱しておき、そこに分析用サンプルを導入する
ことにより行われる。In pyrolysis chromatography, samples are separated from 500 to 60
This is a gas chromatography method in which, after thermal decomposition by heating to a temperature of 0° C., the decomposition products are analyzed by gas chromatography, and the physical characteristics of the sample before decomposition are investigated from the results. This thermal decomposition is carried out by providing a thermal decomposition tube in the carrier gas flow path upstream of the separation column, heating this thermal decomposition tube, and introducing the sample for analysis into the thermal decomposition tube.
従来の熱分解装置においては、キャリヤーガスの流路で
もある熱分解管の外側に熱伝導性の管を設け、その外側
に電熱線を巻きつけて構成されていた。しかしながらこ
の方式の熱分解管においては、第３図已に示すように、
サンプルの導入と同時に温度が急激に大幅に低下し、そ
の後しばらく温度の変動が続くという欠点を有している
。In conventional pyrolysis equipment, a thermally conductive tube is provided outside the pyrolysis tube, which also serves as a flow path for carrier gas, and a heating wire is wound around the outside of the pyrolysis tube. However, in this type of pyrolysis tube, as shown in Figure 3,
It has the disadvantage that the temperature suddenly and significantly drops upon introduction of the sample, and then the temperature continues to fluctuate for a while.
従って、本発明はサンプル導入時の熱分解管の温度の変
動の少い熱分解ガスクロマトグラフィー用熱分解装置を
提供しようとするものである。Therefore, the present invention aims to provide a pyrolysis apparatus for pyrolysis gas chromatography in which the temperature of the pyrolysis tube is less likely to fluctuate when a sample is introduced.
本発明者らは、従来技術の熱分解装置が有する上記の欠
点の理由を検討した結果、温度の変動は熱分解装置の熱
供給部の熱容量が小さいためであることを見出し、種々
検討した結果、熱供給部の熱容量を大きくすることによ
って温度の変動を少なくすることに成功し、この発明を
完成した。As a result of examining the reasons for the above-mentioned drawbacks of conventional pyrolysis equipment, the present inventors discovered that the temperature fluctuations were due to the small heat capacity of the heat supply section of the pyrolysis equipment. succeeded in reducing temperature fluctuations by increasing the heat capacity of the heat supply section, and completed this invention.
従って本発明は、熱分解ガスクロマトグラフィー用熱分
解装置において、貫通孔を有する耐熱性熱伝導性塊状体
の該貫通孔に熱分解管が貫通しており、該塊状体はさら
に別の孔を有し該孔にカートリッジヒーターが挿入され
ており、該カートリッジヒーターにより発生する熱が該
状体を伝導して該熱分解管を加熱するようにされている
ことを特徴とする熱分解装置を提供するものである。Therefore, the present invention provides a pyrolysis apparatus for pyrolysis gas chromatography, in which a pyrolysis tube passes through the through hole of a heat-resistant, thermally conductive block having a through hole, and the block further has another hole. Provided is a pyrolysis device, characterized in that a cartridge heater is inserted into the hole, and the heat generated by the cartridge heater is conducted through the shaped body to heat the pyrolysis tube. It is something to do.
好ましい態様によれば前記貫通孔と前記塊状体の外面と
の間に欠失部が設けられており、場合によっては該欠失
部は閉止部材により閉じられている。According to a preferred embodiment, a cutout is provided between the through hole and the outer surface of the block, and depending on the case, the cutout is closed by a closing member.
〔実施例〕 次に、本発明の装置をさらに具体的に説明する。〔Example〕 Next, the apparatus of the present invention will be explained in more detail.
第１図において、１は熱分解管であり、２の方からキャ
リヤーガスが流入し、３の方向に流出する。In FIG. 1, 1 is a pyrolysis tube, into which carrier gas flows in from 2 and out from 3.
サンプルは、上部からサンプルを入れた小容器５を４の
位置に落下させることにより導入される。The sample is introduced by dropping the small container 5 containing the sample into position 4 from above.
本発明の装置は、熱伝導性材料、例えば金属、により作
られた塊状体６を有し、これには貫通孔７が設けられて
おり、この貫通孔７中に熱分解管１が貫通装入される。The device of the invention has a block 6 made of a thermally conductive material, for example metal, which is provided with a through hole 7 into which the pyrolysis tube 1 is inserted. entered.
この貫通孔７はその内部面に温度センサーを挿入するた
めの溝１６を有するのが好ましい。塊状体６はさらに１
又は複数個の他の孔８を有し、この中にはカートリッジ
ヒーター９が挿入される。このカートリッジヒーター挿
入孔８は貫通していてもよく、また貫通していなくても
よい。塊状体６には、貫通孔７と該塊状体６の外面との
間に欠失部１０を通することができる。この欠失部は必
須ではないが、これを設けることにより、分析終了後に
熱分解管１の内部の汚れを観察することができるので便
利である。なお、熱分解管は通常は、透明な石英ガラス
でできており、その外部から内部を観察することができ
る。サンプルの分析の際の温度をより安定にするため、
欠失部７を設けた場合にはそれをうめる閉止部材１１を
欠失部に挿入することが望ましい。閉止部材１１は通常
塊状体６と同じ材料により作られるが、必ずしもその必
要はない。This through hole 7 preferably has a groove 16 on its inner surface for inserting a temperature sensor. The lump 6 is further 1
Or a plurality of other holes 8 are provided, into which a cartridge heater 9 is inserted. This cartridge heater insertion hole 8 may or may not be penetrating. The mass 6 can have a cutout 10 inserted between the through hole 7 and the outer surface of the mass 6 . Although this cutout is not essential, it is convenient because it allows staining inside the pyrolysis tube 1 to be observed after the analysis is completed. Note that the pyrolysis tube is usually made of transparent quartz glass, and the inside can be observed from the outside. To make the temperature more stable during sample analysis,
When a cutout 7 is provided, it is desirable to insert a closing member 11 into the cutout. The closure member 11 is usually made of the same material as the mass 6, but this need not be the case.
第１図に示す装置は通常、第２図に示すように組立てら
れる。すなわち、塊状体６は好ましくは断熱材１２を介
して、背板１３に固定されており、さらに塊状体６は凹
状断熱部材１４により包囲され、この断熱部材１４は外
壁１５により確保される。The apparatus shown in FIG. 1 is typically assembled as shown in FIG. That is, the block 6 is preferably fixed to the back plate 13 via a heat insulating material 12, and the block 6 is further surrounded by a concave heat insulating member 14, which is secured by the outer wall 15.
本発明の装置によれば、第３図Ａに示すように、サンプ
ル導入時における熱分解管の温度が非常に安定する。According to the apparatus of the present invention, as shown in FIG. 3A, the temperature of the pyrolysis tube during sample introduction is very stable.
第１図は、本発明の熱分解装置の分解図である。
第２図は、第１図に示す装置の取り付けを説明する略図
である。
第３図は、本発明の装置（Ａ）及び従来技術の装置（Ｂ
）におけるサンプル誘導時の熱分解管の温度変動の様子
を示す。
図中、１は、熱分解管、
６は、塊状体、
７は、熱分解管挿入用貫通孔、
８は、カートリッジヒーター挿入用孔、１０は、欠失部
、
１１は、欠失部のための閉止部材
をそれぞれ示す。FIG. 1 is an exploded view of the pyrolysis apparatus of the present invention. 2 is a schematic diagram illustrating the installation of the device shown in FIG. 1; FIG. FIG. 3 shows the apparatus of the present invention (A) and the apparatus of the prior art (B).
) shows the temperature fluctuation of the pyrolysis tube during sample induction. In the figure, 1 is a pyrolysis tube, 6 is a lump, 7 is a through hole for inserting a pyrolysis tube, 8 is a hole for inserting a cartridge heater, 10 is a deleted part, 11 is a deleted part A closure member for each is shown.
Claims (1)
て、貫通孔を有する耐熱性熱伝導性塊状体の該貫通孔に
熱分解管が貫通しており、該塊状体はさらに別の孔を有
し該孔にカートリッジヒーターが挿入されており、該カ
ートリッジヒーターにより発生する熱が該状体を伝導し
て該熱分解管を加熱するようにされていることを特徴と
する熱分解装置。1. In a pyrolysis apparatus for pyrolysis gas chromatography, a pyrolysis tube passes through the through hole of a heat-resistant, thermally conductive lump having a through hole, and the lump further has another hole. A pyrolysis apparatus characterized in that a cartridge heater is inserted into the hole, and heat generated by the cartridge heater is conducted through the shaped body to heat the pyrolysis tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17943190A JPH0466866A (en) | 1990-07-09 | 1990-07-09 | Thermal decomposition device for thermal decomposition chromatography |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17943190A JPH0466866A (en) | 1990-07-09 | 1990-07-09 | Thermal decomposition device for thermal decomposition chromatography |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0466866A true JPH0466866A (en) | 1992-03-03 |
Family
ID=16065744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17943190A Pending JPH0466866A (en) | 1990-07-09 | 1990-07-09 | Thermal decomposition device for thermal decomposition chromatography |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0466866A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008232799A (en) * | 2007-03-20 | 2008-10-02 | Shimadzu Corp | Pyrolysistic gas chromatograph system |
-
1990
- 1990-07-09 JP JP17943190A patent/JPH0466866A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008232799A (en) * | 2007-03-20 | 2008-10-02 | Shimadzu Corp | Pyrolysistic gas chromatograph system |
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