JPH02126394U - - Google Patents
Info
- Publication number
- JPH02126394U JPH02126394U JP3484989U JP3484989U JPH02126394U JP H02126394 U JPH02126394 U JP H02126394U JP 3484989 U JP3484989 U JP 3484989U JP 3484989 U JP3484989 U JP 3484989U JP H02126394 U JPH02126394 U JP H02126394U
- Authority
- JP
- Japan
- Prior art keywords
- crucible
- induction furnace
- vacuum
- furnace
- ring
- 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 230000006698 induction Effects 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- General Induction Heating (AREA)
Description
第１図および第２図は本考案の実施例を示す縦
断面図、第３図は従来のるつぼ形誘導炉本体を示
す縦断面図、第４図は従来の誘導炉の欠点を説明
するための図である。
１……るつぼ、２……炉口部、３……コイル壁
、４……加熱コイル、５……溶湯、６，９……導
電性リング、７……黒鉛リング、８……繊維状黒
鉛の層、１０……断熱性リング。
Figures 1 and 2 are longitudinal sectional views showing an embodiment of the present invention, Figure 3 is a longitudinal sectional view showing a conventional crucible-shaped induction furnace body, and Figure 4 is for explaining the drawbacks of the conventional induction furnace. This is a diagram. 1... Crucible, 2... Furnace mouth, 3... Coil wall, 4... Heating coil, 5... Molten metal, 6, 9... Conductive ring, 7... Graphite ring, 8... Fibrous graphite layer, 10...insulating ring.
Claims (1)
コイル壁内に埋設された所定巻回数の加熱コイル
からなる誘導炉本体を有し、真空容器内で通電使
用される真空誘導炉において、上記るつぼの上記
加熱コイルが巻回されない炉口部の外側に導電性
リングが外嵌されているこことを特徴とする真空
るつぼ形誘導炉。 (2) 導電性リングが、黒鉛リングと、この黒鉛
リングとるつぼ炉口部との間に設けられた繊維状
黒鉛層とからなることを特徴とする請求項１記載
の真空るつぼ形誘導炉。[Claims for Utility Model Registration] (1) An induction furnace comprising a crucible, a coil wall surrounding the crucible, and a heating coil with a predetermined number of turns embedded in the coil wall, and is used in a vacuum vessel while being energized. 1. A vacuum crucible induction furnace characterized in that a conductive ring is fitted on the outside of a furnace mouth portion of the crucible where the heating coil is not wound. (2) The vacuum crucible induction furnace according to claim 1, wherein the conductive ring comprises a graphite ring and a fibrous graphite layer provided between the graphite ring and the crucible furnace opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3484989U JPH02126394U (en) | 1989-03-29 | 1989-03-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3484989U JPH02126394U (en) | 1989-03-29 | 1989-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02126394U true JPH02126394U (en) | 1990-10-18 |
Family
ID=31539683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3484989U Pending JPH02126394U (en) | 1989-03-29 | 1989-03-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02126394U (en) |
-
1989
- 1989-03-29 JP JP3484989U patent/JPH02126394U/ja active Pending
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