JPS643494A - Kiln with ceiling section - Google Patents
Kiln with ceiling sectionInfo
- Publication number
- JPS643494A JPS643494A JP15668087A JP15668087A JPS643494A JP S643494 A JPS643494 A JP S643494A JP 15668087 A JP15668087 A JP 15668087A JP 15668087 A JP15668087 A JP 15668087A JP S643494 A JPS643494 A JP S643494A
- Authority
- JP
- Japan
- Prior art keywords
- lid
- detached
- attached
- ceiling
- inner lid
- 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
Abstract
PURPOSE: To enable a lid to be attached or detached by a crane or the like and to easily perform inspection and repair by providing an inner lid that can be attached or detached by providing an opening at a ceiling part and an outer lid that can be attached or detached consisting of a gas impermeable material at the upper portion of the inner lid. CONSTITUTION: A lid part 31 is mounted to a ceiling opening 30 of a belt-type heat-treatment oven for reducing metal powder, and the lid part 31 is constituted of an inner lid 32 and an outer lid 33. The inner lid 32 is in one-piece structure consisting of a fireproof heat-insulation material 32a and an outer shell 32b and is supported so that it can be attached or detached by portions 8a and 8b of a side wall 8. A gas impermeable material such as a steel plate is used for the outer lid 33. A seal plate 34 is supported around the entire periphery of the outer edge while the seal plate 34 is in contact with the bottom part of a seal groove 35. The seal groove 35 is filled with water, oil, or scarcely- evaporating liquid seal material 36. By providing this sort of ceiling opening 30, the outer lid 33 and the inner lid 32 can be easily removed from a furnace body by suspension through a suspension eye 38, for example, by a ceiling crane on inspection, repairing, or the like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15668087A JPS643494A (en) | 1987-06-25 | 1987-06-25 | Kiln with ceiling section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15668087A JPS643494A (en) | 1987-06-25 | 1987-06-25 | Kiln with ceiling section |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS643494A true JPS643494A (en) | 1989-01-09 |
Family
ID=15632976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15668087A Pending JPS643494A (en) | 1987-06-25 | 1987-06-25 | Kiln with ceiling section |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS643494A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100433956B1 (en) * | 1999-11-26 | 2004-06-04 | 주식회사 포스코 | Inlet sealing device of vertical annealing furnace |
| JP2015230103A (en) * | 2014-06-03 | 2015-12-21 | 日本碍子株式会社 | Heating furnace body |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6192366A (en) * | 1984-10-09 | 1986-05-10 | Mitsubishi Heavy Ind Ltd | Water-seal unit |
-
1987
- 1987-06-25 JP JP15668087A patent/JPS643494A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6192366A (en) * | 1984-10-09 | 1986-05-10 | Mitsubishi Heavy Ind Ltd | Water-seal unit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100433956B1 (en) * | 1999-11-26 | 2004-06-04 | 주식회사 포스코 | Inlet sealing device of vertical annealing furnace |
| JP2015230103A (en) * | 2014-06-03 | 2015-12-21 | 日本碍子株式会社 | Heating furnace body |
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