JPH01158097U - - Google Patents
Info
- Publication number
- JPH01158097U JPH01158097U JP5298788U JP5298788U JPH01158097U JP H01158097 U JPH01158097 U JP H01158097U JP 5298788 U JP5298788 U JP 5298788U JP 5298788 U JP5298788 U JP 5298788U JP H01158097 U JPH01158097 U JP H01158097U
- Authority
- JP
- Japan
- Prior art keywords
- impedance
- heating coil
- comparator
- furnace
- detection device
- 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
- 230000008018 melting Effects 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 230000006698 induction Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- 239000011819 refractory material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Furnace Details (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Description
第１図は本考案の炉壁損耗検出装置を示す回路
図、第２図はその等価回路図、第３図Ａは湯洩れ
した状態を示す溶解炉の縦断正面図、同図Ｂはそ
の平面図である。
１……溶解室、２……加熱コイル、３……高周
波電源、４……計器用変流器、５……電力変換器
、６……計器用変圧器、９……演算器、１０……
比較器、１１……警報器、１２……溶湯、１３…
…焼成るつぼ、１４……クラツク。
Fig. 1 is a circuit diagram showing the furnace wall wear detection device of the present invention, Fig. 2 is its equivalent circuit diagram, Fig. 3A is a vertical cross-sectional front view of the melting furnace showing a leaking state, and Fig. 3B is its plan view. It is a diagram. DESCRIPTION OF SYMBOLS 1... Melting chamber, 2... Heating coil, 3... High frequency power supply, 4... Instrument current transformer, 5... Power converter, 6... Instrument transformer, 9... Arithmetic unit, 10... …
Comparator, 11... Alarm, 12... Molten metal, 13...
...Burning pot, 14...Kratsuku.
Claims (1)
された加熱コイルと、この加熱コイルに電力を供
給する回路に設けられた電圧と電流を測定する装
置と、これら装置の測定値からインピーダンスを
演算する演算器と、インピーダンスと基準値とを
比較して警報信号を出力する比較器とから成るこ
とを特徴とする誘導溶解炉の炉壁損耗検出装置。 A melting chamber made of refractory material, a heating coil wound around the outer periphery, a device for measuring voltage and current installed in the circuit that supplies power to this heating coil, and impedance determined from the measurements of these devices. 1. A furnace wall wear detection device for an induction melting furnace, comprising: a calculator that calculates impedance; and a comparator that compares impedance with a reference value and outputs an alarm signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5298788U JPH01158097U (en) | 1988-04-19 | 1988-04-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5298788U JPH01158097U (en) | 1988-04-19 | 1988-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01158097U true JPH01158097U (en) | 1989-10-31 |
Family
ID=31278984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5298788U Pending JPH01158097U (en) | 1988-04-19 | 1988-04-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01158097U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010236723A (en) * | 2009-03-30 | 2010-10-21 | Kitashiba Electric Co Ltd | Alarm device of induction melting furnace |
-
1988
- 1988-04-19 JP JP5298788U patent/JPH01158097U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010236723A (en) * | 2009-03-30 | 2010-10-21 | Kitashiba Electric Co Ltd | Alarm device of induction melting furnace |
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