JPS648225A - Temperature control method for heat treatment furnace - Google Patents
Temperature control method for heat treatment furnaceInfo
- Publication number
- JPS648225A JPS648225A JP13284187A JP13284187A JPS648225A JP S648225 A JPS648225 A JP S648225A JP 13284187 A JP13284187 A JP 13284187A JP 13284187 A JP13284187 A JP 13284187A JP S648225 A JPS648225 A JP S648225A
- Authority
- JP
- Japan
- Prior art keywords
- work
- temp
- heater
- heating
- electric
- 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
Landscapes
- Control Of Heat Treatment Processes (AREA)
Abstract
PURPOSE:To enable the simple elimination of a difference in the heating temps. of a work by interposing a rate setter in the command system of a temp. indicating controller so that the supply power ratio to respective electric heaters for heating mainly the central part and edge parts of the work can be controlled. CONSTITUTION:For example, the narrow electric heater 2 for heating mainly the central part of a strip 1 which is the work to be conveyed horizontally in a furnace body is provided above said strip and the broad electric heater 3 for heating the edge parts of the work 1 is provided on the furnace floor. The temp. of the work 1 heated by the heaters 2, 3 is measured by a radiation thermometer 4 provided to the furnace ceiling and the measured temp. signal is inputted to the temp. indicating controller 5. The controller 5 detects the deviation from the preset temp. Control current is passed to a thyristor 6 according to this deviation and the supply power to the heater 3 is thereby controlled. The electric power to be supplied to the heater 2 is maintained always at the constant ratio of the electric power to be supplied to the heater 3 according to the setting of the rate setter 8.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13284187A JPS648225A (en) | 1987-05-28 | 1987-05-28 | Temperature control method for heat treatment furnace |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13284187A JPS648225A (en) | 1987-05-28 | 1987-05-28 | Temperature control method for heat treatment furnace |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS648225A true JPS648225A (en) | 1989-01-12 |
Family
ID=15090768
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13284187A Pending JPS648225A (en) | 1987-05-28 | 1987-05-28 | Temperature control method for heat treatment furnace |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS648225A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018159477A (en) * | 2017-03-22 | 2018-10-11 | 太平洋セメント株式会社 | Treatment method of waste lithium-ion battery |
-
1987
- 1987-05-28 JP JP13284187A patent/JPS648225A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018159477A (en) * | 2017-03-22 | 2018-10-11 | 太平洋セメント株式会社 | Treatment method of waste lithium-ion battery |
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