JPS5999256A - Apparatus for analyzing element in metal - Google Patents
Apparatus for analyzing element in metalInfo
- Publication number
- JPS5999256A JPS5999256A JP57210438A JP21043882A JPS5999256A JP S5999256 A JPS5999256 A JP S5999256A JP 57210438 A JP57210438 A JP 57210438A JP 21043882 A JP21043882 A JP 21043882A JP S5999256 A JPS5999256 A JP S5999256A
- Authority
- JP
- Japan
- Prior art keywords
- combustion
- gas
- pipe
- gas supply
- combustion gas
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/12—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/20—Metals
Abstract
Description
【発明の詳細な説明】
本発明は、燃焼用ガス供給管及びキャリアガス供給管を
燃焼炉に接続して、燃焼用ガスの供給によって加熱下に
ある炉内の被分析金属中の元素を燃焼させると共に、キ
ャリアガスの供給によって燃焼抽出ガスをガス分析計に
導入させるべく構成した金属中の元素分析装置に関する
。Detailed Description of the Invention The present invention connects a combustion gas supply pipe and a carrier gas supply pipe to a combustion furnace, and burns the elements in the metal to be analyzed in the furnace under heating by supplying the combustion gas. The present invention relates to an elemental analysis apparatus for metals, which is configured to allow combustion extraction gas to be introduced into a gas analyzer by supplying a carrier gas.
上記の分析装置は、金属中の例えば炭素や硫黄等の元素
を燃焼させて、その燃焼抽出ガスを基にして、金属中の
元素の含有量を分析するために開発されたものである。The above-mentioned analyzer was developed to analyze the content of the element in the metal based on the combustion extracted gas by burning elements such as carbon and sulfur in the metal.
係る従来の元素分析装置においては、燃焼用ガス供給管
の１本を、そのガス吐出方向を炉内の被分析金属に向け
る状態で燃焼炉の上部壁に貫設するものであって、燃焼
用ガスの供給量と被分析金属に対する燃焼用ガスの吹付
け速度（つまり衝突エネルギー）の相関が成る一定の状
態にあり、即ち、燃焼用ガスの供給量を増加させると可
逆的に吹付は速度が大となるもので、燃焼用ガス供給量
のみや、ガス吹付は速度のみ、更には両者を任意に変更
させることができず、燃焼過程に応じた好ましい燃焼条
件、即ち、■ 燃焼開始時においては、燃焼を容易に行
なわせるために、燃焼用ガス量並びにガス吹付は速度を
犬にする。In such a conventional elemental analyzer, one of the combustion gas supply pipes is installed through the upper wall of the combustion furnace with the gas discharge direction directed toward the metal to be analyzed in the furnace. There is a constant correlation between the gas supply amount and the combustion gas blowing speed (i.e. collision energy) against the metal to be analyzed; that is, when the combustion gas supply amount is increased, the blowing speed reversibly increases. Because of this, it is not possible to arbitrarily change only the amount of gas supplied for combustion, only the speed of gas spraying, and furthermore, it is not possible to arbitrarily change both of them. In order to facilitate combustion, the amount of combustion gas and the speed of gas blowing are controlled.
■ 燃焼途中においては、ダストの発生や飛散の防止、
更に突沸防止のために、上記■よりは燃焼用ガス量をや
や小にしながらガス吹付は速度をごく小さくする。■ During combustion, prevent dust generation and scattering,
Furthermore, in order to prevent bumping, the amount of combustion gas is made slightly smaller than in the case (2) above, and the speed of gas blowing is made very small.
■ 燃焼終期においては、完全燃焼を期す上から燃焼用
ガス量を大にしながら、ダスト飛散の防止面からガス吹
付は速度を小にする。■ In the final stage of combustion, the amount of combustion gas is increased to ensure complete combustion, but the speed of gas blowing is reduced to prevent dust scattering.
等の燃焼条件の設定ができず、更に被分析金属の種類や
大きさ等に応じた燃焼条件、即ち、■ 上記の■、■、
■の条件において、燃焼用ガス量並びにガス吹付は速度
を若干増減させる等の条の設定を成し得す、改壱の余地
があった。It is not possible to set combustion conditions such as
Under the condition (2), there was room for improvement, such as by slightly increasing or decreasing the combustion gas amount and gas spraying speed.
本発明は、簡単な改造によって、燃焼用ガス量並びにガ
ス吹付は速度の相関を任意に変更できるようにし、燃焼
過程や被分析金属の４１１（類、更には大きさ等に応じ
た最も好捷しい燃焼条件を選択設定できるようにするこ
とを目的とするもので、冒頭に記載した金属中の元素分
析装置において、口径の異なる複数本の燃焼用ガス供給
管を大径管に内装し、該大径管をその内部の燃焼用ガス
供給管のガス吐出方向を炉内の被分析金属に向ける状態
で前記燃焼炉の上部壁を貫通させて設けると共に、前記
燃焼用ガス供給管のガス吐出口を前記被分析金属に対し
て遠近移動させる駆動装置を設け、更に、燃焼用のガス
を前記複数本の燃焼用ガス供給管に選択的に供給させる
ための流路切換機構を設けであることを特徴とする。The present invention makes it possible to arbitrarily change the relationship between the amount of combustion gas and the speed of gas blowing by simple modification, and to adjust the combustion process and the most favorable method according to the type and size of the metal to be analyzed. The purpose of this is to enable selection and setting of new combustion conditions, and in the metal elemental analyzer described at the beginning, multiple combustion gas supply pipes with different diameters are installed inside a large diameter pipe, and the A large-diameter pipe is provided so as to pass through the upper wall of the combustion furnace with the gas discharge direction of the combustion gas supply pipe therein directed toward the metal to be analyzed in the furnace, and a gas discharge port of the combustion gas supply pipe is provided. A drive device is provided for moving the gas near and far from the metal to be analyzed, and a flow path switching mechanism is further provided for selectively supplying combustion gas to the plurality of combustion gas supply pipes. Features.
以下、本発明の実施例を図面に基いて説明する。Embodiments of the present invention will be described below with reference to the drawings.
第１図は本発明による金属中の元素分析装置のフローシ
ートを示し、図において、■は酸素ガス供給源２からの
酸素ガス供給路で、その途中に酸素ガス用梢製器３が設
けられている。４は燃焼用及びキャリア用のガス供給管
５，６を備えた燃焼炉で、前記酸素ガス供給路ｌを分岐
して、その一方の酸素ガス供給路７を前記燃焼用ガス供
給管５に接続すると共に、他方の酸素ガス供給路８を前
記キャリアガス供給管６に接続してあり、かつ、酸素ガ
ス供給路７，８の夫々には（Ａｉ、量調節器２７゜２８
を介装しである。FIG. 1 shows a flow sheet of the elemental analysis device in metals according to the present invention. ing. Reference numeral 4 denotes a combustion furnace equipped with gas supply pipes 5 and 6 for combustion and carrier, in which the oxygen gas supply path 1 is branched and one oxygen gas supply path 7 is connected to the combustion gas supply pipe 5. At the same time, the other oxygen gas supply line 8 is connected to the carrier gas supply pipe 6, and each of the oxygen gas supply lines 7 and 8 has an amount controller (Ai, 27°, 28°).
It is interposed.
９は前記燃焼炉４からの燃焼抽出ガスの取出し流路で、
ダストフィルタ１０、脱水部１１、流量制御器１２、ガ
ス分析計１３、流世計１４を、その順に介装しである。9 is a flow path for extracting combustion extracted gas from the combustion furnace 4;
A dust filter 10, a dewatering section 11, a flow rate controller 12, a gas analyzer 13, and a flow meter 14 are installed in that order.
前記燃焼炉４を構成するに、第２図に示すように、円筒
状の燃焼管１５に対してそれの上下中間の外周部にワー
クコイル１６を設けると共に、前記燃焼管１５の上下に
Ｏリングを介して蓋体１７ 、１８を装着し、この内の
下部蓋体１８を上下に二分して、その下側蓋体１８ａに
前記キャリアガス供給管６を形成すると共に、燃焼管１
５内に上向きガス流路Ａを形成する状態で、メタル台１
９とセラミックス台２０及び磁性るつは２１を前記下側
蓋体１８ａに載架し、かつ、上側蓋体１８１）と下側蓋
体１８ａの間にシール用の０リング２３を設けると共に
、前記キャリアガス供給路８をフッ素樹脂等の可撓管か
ら形成してこれを前記供給管６に接続し、更に、前記磁
性るつぼ２１をワークコイル１６の近くに位置する状態
と燃焼管１５よりも下方に位置する状態とに切換えるた
めのシリンダ２２を、前記下側蓋体１Ｒ＆に連設しであ
る。To configure the combustion furnace 4, as shown in FIG. 2, a work coil 16 is provided on the outer periphery of a cylindrical combustion tube 15 in the middle of the upper and lower sides thereof, and O-rings are installed above and below the combustion tube 15. The lower lid 18 is divided into upper and lower halves, and the carrier gas supply pipe 6 is formed in the lower lid 18a, and the combustion tube 1 is attached to the lids 17 and 18 through the
Metal base 1 with an upward gas flow path A formed in 5.
9, the ceramic stand 20, and the magnetic crucible 21 are mounted on the lower lid 18a, and an O-ring 23 for sealing is provided between the upper lid 181) and the lower lid 18a, and the A carrier gas supply path 8 is formed from a flexible tube such as a fluororesin and is connected to the supply tube 6, and the magnetic crucible 21 is positioned near the work coil 16 and below the combustion tube 15. A cylinder 22 for switching between the two positions is connected to the lower lid 1R&.
一方、上部着体１７に燃焼抽出ガスの排出管列を形成し
て、この排出管Ｕに前記抽出ガス取出し流路９を接続す
ると共に、前記燃焼用ガス供給管５を夫々口径の異なる
複数本の管群構成としてこれを大径管２６に内装し、か
つ、前記ガス供給管５・・群のガス吐出方向を炉内のる
つぼ２１に向ける状態で、つまシ被分析金属に向ける状
態で、前記大径管部を上部蓋体（燃焼炉４の上部壁であ
る。）１７に貫通させて設けると共に、各ガス供給管５
・・のガス吐出口ａを被分析金属に対して遠近移動させ
るシリンダ（駆動装置の一例）２９を、Ａｉ前記大径管
２６に連設し、そして前記燃焼用ガス供給路７からの燃
焼用ガスを複数本の前記ガス供給路５・・に選択的に供
給でせるための流路切換機構２５を設けである。On the other hand, a combustion extraction gas exhaust pipe array is formed on the upper mounting body 17, and the extraction gas extraction channel 9 is connected to this exhaust pipe U, and a plurality of combustion gas supply pipes 5 each having a different diameter are connected to the exhaust pipe U. This is installed inside the large-diameter tube 26 as a tube group configuration, and the gas discharge direction of the group of gas supply tubes 5 is directed toward the crucible 21 in the furnace, and the gas discharge direction is directed toward the metal to be analyzed, The large-diameter pipe portion is provided to penetrate the upper lid body (which is the upper wall of the combustion furnace 4) 17, and each gas supply pipe 5
A cylinder (an example of a driving device) 29 for moving gas discharge ports a near and far from the metal to be analyzed is connected to the large diameter pipe 26, and a combustion gas from the combustion gas supply path 7 is connected to the large diameter pipe 26. A flow path switching mechanism 25 is provided for selectively supplying gas to the plurality of gas supply paths 5.
而して、燃焼用並びにキャリア用の酸素ガスを炉内に供
給し、かつ、ワークコイル１６によって炉内を加熱した
状態において、るつぼ２１内の被分析金属中の炭素や硫
黄等の元素を燃焼させると共に、その燃焼抽出ガスをガ
ス分析計１３に取出し、該分析計１３による燃焼抽出ガ
ス中の元素の燃焼ガス量の計測結果を基にして、金属中
の炭素や硫黄等の元素含有率を分析することができる。Thus, while oxygen gas for combustion and carrier use is supplied into the furnace and the inside of the furnace is heated by the work coil 16, elements such as carbon and sulfur in the metal to be analyzed in the crucible 21 are combusted. At the same time, the combustion extracted gas is taken out to the gas analyzer 13, and based on the measurement result of the combustion gas amount of the element in the combustion extracted gas by the analyzer 13, the content of elements such as carbon and sulfur in the metal is determined. can be analyzed.
そして、成る一定の燃焼用ガスの供給下において、燃焼
用ガス供給管５の口径を変更設定することにより、被分
析金属に対する燃焼用ガスの吹付は速度（つまり線速）
を変更でき、また、前記大径管２６をシリンダ２９によ
って管軸方向に移動させることによυ、被分析金属に対
する燃焼用ガス吐出口ａの吹付は距離を変更できる。こ
の吹付は距離の変更は被分析金属に対する酸素ガスの吹
付は速度の変更に他ならず、即ち、燃焼用ガスの供給量
を設定した状態において、供給管５の口径選択及び／又
は燃焼用ガス吐出口ａの位置変更によシ、被分析金属に
対する燃焼用ガスの吹付は速度を変更設定できるのであ
シ、而して、前記（ｆａｔ、 ４７１制御器１２及び燃
焼用とキャリア用のガス流量調節器２７゜２８によって
、被分析金属の種類や燃焼過程に応じて燃焼用ガスの供
給量を設定した上で、更に好ましい燃焼条件、即ち、燃
焼用ガス量を一定にする状態でガス吹付は速度を変更さ
せる、既述した■〜■の燃焼条件を現出させることがで
き、勿論、前記■〜（／Ｄ以外の条件設定もできる。By changing and setting the diameter of the combustion gas supply pipe 5 under the constant supply of combustion gas, the combustion gas is blown onto the metal to be analyzed at a speed (that is, a linear velocity).
By moving the large-diameter tube 26 in the tube axis direction by the cylinder 29, the distance of the combustion gas discharge port a toward the metal to be analyzed can be changed. In this spraying, changing the distance and spraying oxygen gas onto the metal to be analyzed is nothing but changing the speed. In other words, with the supply amount of combustion gas set, the diameter of the supply pipe 5 and/or the combustion gas By changing the position of the discharge port a, the speed at which the combustion gas is sprayed onto the metal to be analyzed can be changed and set. After setting the amount of combustion gas supplied according to the type of metal to be analyzed and the combustion process using the regulators 27 and 28, the gas blowing is performed under more preferable combustion conditions, that is, with the amount of combustion gas kept constant. Combustion conditions (2) to (2) described above that change the speed can be made to appear, and of course, conditions other than (1) to (/D) can also be set.
図中３（）は制御機構で、燃焼用とキャリア用の酸素ガ
スの供給比率及び被分析金属に対する燃焼用酸素ガスの
吹付は速度を、被分析金属の種類や大きさ更には燃焼過
程に応じて最も好廿しい条件に変更設定するものであり
、即ち、予めプログラムされた好ましい燃焼条件のパタ
ーンに基いて、前記流量調節器２７ 、２８と流路切換
機構２５及びシリンダ四を全自動的に制御するものであ
る。3 () in the figure is a control mechanism, which controls the supply ratio of oxygen gas for combustion and carrier, and the spraying speed of combustion oxygen gas to the metal to be analyzed, depending on the type and size of the metal to be analyzed, as well as the combustion process. In other words, the flow rate regulators 27 and 28, the flow path switching mechanism 25, and the cylinder 4 are fully automatically set to the most favorable combustion conditions. It is something to control.
尚、前記ガス分析計１３としては、ＣＯ２及びＳ０２赤
外線検出器等を使用できる。Incidentally, as the gas analyzer 13, a CO2 and S02 infrared detector or the like can be used.
以上説明したように本発明による金属中の元素分析装置
は、燃焼用ガス供給管の口径選択及び／又は燃焼用ガス
吐出口の被分析金属に対するガス吹付は距離の変更によ
り、被分析金属に対する燃焼用ガスの吹付は速度を変更
設定できるようにしたが故に、被分析金属の種類や大き
さあるいは燃焼過程に応じて設定した燃焼用ガスの供給
量を設定通シにしたままで、燃焼開始を容易にしたシ、
燃焼途中においてダストの発生や飛散の防止、更には突
沸を防止したり、完全燃焼を期したシする等のために、
被分析金属に対する燃焼用ガスの吹付は速度を変更する
制御を行なわせることができるようになり、即ち、燃焼
用ガスの吹付は速度を変更可能にするだけの簡単な改良
によって、従来にみられない好ましい燃焼条件の設定を
容易に行なえるようになった。As explained above, the elemental analysis device for metals according to the present invention can control combustion of the metal to be analyzed by selecting the diameter of the combustion gas supply pipe and/or by changing the distance of the combustion gas discharge port to blow the gas to the metal to be analyzed. Since the spraying speed of the combustion gas can be changed and set, it is possible to start combustion without changing the supply amount of the combustion gas, which is set according to the type and size of the metal to be analyzed or the combustion process. I made it easy,
In order to prevent the generation and scattering of dust during combustion, as well as to prevent bumping, and to ensure complete combustion, etc.
The spraying of combustion gas onto the metal to be analyzed can now be controlled by changing the speed. It is now possible to easily set the desired combustion conditions.
図面は本発明の実施例に係り、第１図は元素分析装置の
フローシート、第２図は燃焼炉の縦断面図である。
４・・・燃焼炉、５・・・燃焼用ガス供給管、６・・・
キャリアガス供給管、２５・・・流路切換機構、２６・
・・大径管、２９・・・駆動装置（シリンダ）、ａ・・
・燃焼用ガス吐出口。The drawings relate to embodiments of the present invention; FIG. 1 is a flow sheet of an elemental analyzer, and FIG. 2 is a longitudinal sectional view of a combustion furnace. 4... Combustion furnace, 5... Combustion gas supply pipe, 6...
carrier gas supply pipe, 25... flow path switching mechanism, 26...
... Large diameter pipe, 29... Drive device (cylinder), a...
・Combustion gas discharge port.
Claims (1)
に接続して、燃焼用ガスの供給によって加熱下にある炉
内の被分析金属中の元素を燃焼させると共に、キャリア
ガスの供給によって燃焼抽出ガスをガス分析計に導入さ
せるべく構成した金属中の元素分析装置であって、口径
の異なる複数本の燃焼用ガス供給管を大径管に内装し、
該大径管をその内部の燃焼用ガス供給管のガス吐出方向
を炉内の被分析金属に向ける状態で前記燃焼炉の上部壁
を貫通させて設けると共に、前記燃焼用ガス供給管のガ
ス吐出口を前記被分析金属に対して遠近移動させる駆動
装置を設け、更に、燃焼用のガスを前記複数本の燃焼用
ガス供給管に選択的に供給させるための流路切換機構を
設けであることを特徴とする金属中の元素分析装置。 ■ 前記燃焼用ガス供給管及びキャリアガス供給管の夫
々に、酸素ガス供給源からの分岐管を接続すると共に、
燃焼用及びキャリアガスの供給比率を元素分析装置。[Claims] ■ A combustion gas supply pipe and a carrier gas supply pipe are connected to a combustion furnace, and the elements in the metal to be analyzed in the heated furnace are combusted by the supply of combustion gas, and the carrier gas supply pipe is connected to the combustion furnace. An elemental analysis device for metals configured to introduce combustion extracted gas into a gas analyzer by supplying gas, wherein multiple combustion gas supply pipes with different diameters are installed inside a large diameter pipe,
The large-diameter pipe is provided so as to pass through the upper wall of the combustion furnace with the gas discharge direction of the combustion gas supply pipe therein directed toward the metal to be analyzed in the furnace, and the gas discharge direction of the combustion gas supply pipe is A driving device for moving the outlet near and far from the metal to be analyzed is provided, and a flow path switching mechanism is further provided for selectively supplying combustion gas to the plurality of combustion gas supply pipes. An elemental analysis device in metals featuring: (2) Connecting a branch pipe from an oxygen gas supply source to each of the combustion gas supply pipe and the carrier gas supply pipe, and
Elemental analyzer for combustion and carrier gas supply ratio.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57210438A JPS5999256A (en) | 1982-11-27 | 1982-11-27 | Apparatus for analyzing element in metal |
| US06/544,408 US4582686A (en) | 1982-11-04 | 1983-10-20 | Apparatus for analyzing elements contained in metal compositions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57210438A JPS5999256A (en) | 1982-11-27 | 1982-11-27 | Apparatus for analyzing element in metal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5999256A true JPS5999256A (en) | 1984-06-07 |
| JPH0444697B2 JPH0444697B2 (en) | 1992-07-22 |
Family
ID=16589326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57210438A Granted JPS5999256A (en) | 1982-11-04 | 1982-11-27 | Apparatus for analyzing element in metal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5999256A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011102137A1 (en) * | 2010-02-18 | 2011-08-25 | Ｊｆｅスチール株式会社 | Method and device for analyzing sulfur in metal sample |
| WO2015064631A1 (en) * | 2013-10-29 | 2015-05-07 | 株式会社堀場製作所 | Analysis device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5983054A (en) * | 1982-11-04 | 1984-05-14 | Horiba Ltd | Apparatus for analysis of element in metal |
-
1982
- 1982-11-27 JP JP57210438A patent/JPS5999256A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5983054A (en) * | 1982-11-04 | 1984-05-14 | Horiba Ltd | Apparatus for analysis of element in metal |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011102137A1 (en) * | 2010-02-18 | 2011-08-25 | Ｊｆｅスチール株式会社 | Method and device for analyzing sulfur in metal sample |
| JP2011169753A (en) * | 2010-02-18 | 2011-09-01 | Jfe Steel Corp | Method and device for analyzing sulfur in metal sample |
| US8900874B2 (en) | 2010-02-18 | 2014-12-02 | Jfe Steel Corporation | Method and device for analyzing sulfur in metal sample |
| WO2015064631A1 (en) * | 2013-10-29 | 2015-05-07 | 株式会社堀場製作所 | Analysis device |
| JP6063582B2 (en) * | 2013-10-29 | 2017-01-18 | 株式会社堀場製作所 | Analysis equipment |
| US10379017B2 (en) | 2013-10-29 | 2019-08-13 | Horiba, Ltd. | Analysis apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0444697B2 (en) | 1992-07-22 |
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