CN103528378B - Induction body of heater furnace lining arrangement for detecting - Google Patents
Induction body of heater furnace lining arrangement for detecting Download PDFInfo
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- CN103528378B CN103528378B CN201310506197.1A CN201310506197A CN103528378B CN 103528378 B CN103528378 B CN 103528378B CN 201310506197 A CN201310506197 A CN 201310506197A CN 103528378 B CN103528378 B CN 103528378B
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- control system
- furnace lining
- heater
- induction
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Abstract
The invention discloses a kind of induction body of heater furnace lining arrangement for detecting, comprise body of heater side senser, also comprise control system and data instrument, described body of heater side senser, at least two blocks are divided into be arranged in the furnace lining on induction furnace side, wherein at least one block sensor adopts series system to connect, and two block sensors are wherein by the external control system of wire and induction furnace and data Instrument connection, and the signal that feedback impedance changes sends control system and data instrument to; Described control system comprises data regulating resistance VR1, filter circuit RC-L, the comparing loop K1-R1 connected successively, report to the police execution loop, power-off protection loop.Real-Time Monitoring, intelligent control, safe and reliable, cost is low, structure is simple, ease of Use, all hidden danger that can effectively prevent from high-temperature molten steel from wearing stove causing.
Description
Technical field
The present invention relates to a kind of induction body of heater furnace lining arrangement for detecting, belong to field of electromechanical technology.
Background technology
Induction furnace is a kind of electromechanical equipment generally used, and this body structure of body of heater probably comprises furnace shell, coil, top and the bottom refractory slab, furnace lining etc.
In the course of the work, furnace lining, in steelmaking process, directly contacts with furnace gas with molten steel, slag, is constantly subject to physics, machinery and chemical corrosion function induction furnace, therefore the quality of furnace lining is abnormal important.Furnace lining be generally by refractory material directly inside body of heater tamping form, the quality of tamping depends primarily on uniformity coefficient and the packing of tamping, and these two factors depend primarily on people, and different people has different effects certainly.The factor of decision furnace lining quality is furnace lining baking on the other hand, if furnace lining baking technique is held bad, furnace lining also can be caused to occur slight crack or internal fissure, cannot with the naked eye judge to draw.And the quality of furnace lining quality is because judging by naked eyes, so also do not know which lining durability is long, that life-span is short.Mode is in the past all that operator rule of thumb judges, building a furnace lining can burn a few stove, then catches a standard value as the foundation judged, just changes furnace lining to certain heat.Often the quality of some furnace lining is not sure, directly can cause the generation of wearing stove phenomenon, the phenomenon that to wear stove be exactly high-temperature molten steel leaks beyond body of heater through furnace lining, wear the safety that stove directly can threaten site operation personnel, and one of problem that production safety problem is also our this society to be paid close attention to most.Wear the equipment after stove in addition could normally to use after overhaul, manufacturing schedule can be delayed to a great extent.
For above problem, have a lot of industrial furnace equipment manufacturers also to release one after another this type of product both at home and abroad, to overcome curstomer's site safety problem, but often cost is higher, and price is also high, and many clients hang back.
Summary of the invention
In order to solve in prior art the generation of wearing stove phenomenon, artificially can not judge the quality of furnace lining and cause high-temperature molten steel to flow to body of heater through induction coil in body of heater, very large hidden danger is existed to the personal safety of operating personnel and equipment is badly damaged returns factory's overhaul and delay production problem, the invention provides that a kind of cost is low, structure simple, ease of Use, can effectively prevent high-temperature molten steel from wearing the induction body of heater furnace lining arrangement for detecting of all hidden danger that stove causes.
In order to solve the problem, the technical solution used in the present invention is:
A kind of induction body of heater furnace lining arrangement for detecting, comprise body of heater side senser, it is characterized in that: also comprise control system and data instrument, described body of heater side senser, at least two blocks are divided into be arranged in the furnace lining on induction furnace side, wherein at least one block sensor adopts series system to connect, and two block sensors are wherein by the external control system of wire and induction furnace and data Instrument connection, and the signal that feedback impedance changes sends control system and data instrument to.
Described induction body of heater furnace lining arrangement for detecting, is characterized in that: described control system comprises data regulating resistance VR1, filter circuit RC-L, the comparing loop K1-R1 connected successively, report to the police execution loop, power-off protection loop.
Described induction body of heater furnace lining arrangement for detecting, is characterized in that: be provided with abnormal signal absorber in described control system.
Described induction body of heater furnace lining arrangement for detecting, is characterized in that: described abnormal signal absorber is made up of reactor and RC loop.
Preferably, described induction body of heater furnace lining arrangement for detecting, is characterized in that: described sensor is made up of non-magnetic metal material.
Beneficial effect: induction body of heater furnace lining arrangement for detecting provided by the invention, be the change utilizing the change of induction body of heater furnace lining thickness can affect the impedance between its sensor, the change of impedance can cause the change of control system signal; Thus can whether be met the requirements by automatic decision by the value control system set in advance, if undesirable, control system can forbid the startup of equipment, or in equipment normal course of operation, if there is abnormal conditions to occur, control system can with the form alert of alarm, and equipment can auto-breaking, out of service; So effectively avoiding wears stove and the personal safety that causes and equipment fault problem, greatly enhances the security of operation, reduces the cost of client's each side.Ensure again the normal operation of equipment simultaneously, extend the service life of equipment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is electronic schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further described.
As depicted in figs. 1 and 2, a kind of induction body of heater furnace lining arrangement for detecting, comprises sensor 1, control system 3, data instrument 4, some wires 5; Sensor 1 is divided at least two blocks to be arranged in the furnace lining on induction furnace side, wherein at least one block sensor adopts series system to connect, two block sensors are wherein connected by the control system 3 that wire 5 and induction furnace are external, a data instrument 4 of connecting in the controls.
Described sensor 1 is divided at least two blocks to be arranged in the furnace lining 2 on induction furnace side, and one of them block is connected with a port of control system 3, is connected after the series connection of all the other blocks with the another port of control system 3, forms a detecting loop.
Described control system 3 comprise connect successively data regulating resistance VR1, filter circuit RC-L, comparing loop K1-R1, alarm perform loop, power-off protection loop.Control system is used to the impedance change signal of receiving sensor, then impedance signal is become voltage signal.The signal fed back and standard value contrast by control system, if exceed standard value, and equipment meeting autostop, and alarm can be sounded as prompting.The standard value of control system is adjustable.
Described data instrument 4 is connected in control system 3, is responsible for the change of monitoring furnace lining data.Data instrument is supplied to operating personnel's reference value, along with the change of furnace lining, and the data also and then change of instrument.
When furnace lining 2 changes, after installing new furnace lining, the signal that sensor 1 can send impedance is given to control system 3, the regulating resistance VR1 of regulation and control system 3, and data instrument 4 meeting display parameter data, is adjusted to the normal data wanted; When furnace lining 2 changes; sensor 1 can pass the signal along in control system 3 loop; in control system 3, relay K 1 coil in comparing loop is the object of signal comparison; when signal exceedes relay K 1; relay K 1 coil motion, then the auxiliary contact of relay K 1 perform in loop and in power-off protection loop in warning respectively and close simultaneously, alarm action prompt operating personnel; meanwhile, power-off protection loop makes equipment out of service.Thus the safety of support personnel and equipment.
More than show and describe general principle of the present invention, principal character and advantage.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (4)
1. an induction body of heater furnace lining arrangement for detecting, comprise body of heater side senser, it is characterized in that: also comprise control system and data instrument, described body of heater side senser, at least two blocks are divided into be arranged in the furnace lining on induction furnace side, wherein at least one block sensor adopts series system to connect, and two block sensors are wherein by the external control system of wire and induction furnace and data Instrument connection, and the signal that feedback impedance changes sends control system and data instrument to; Described control system comprises data regulating resistance VR1, filter circuit RC-L, the comparing loop K1-R1 connected successively, report to the police execution loop, power-off protection loop.
2. induction body of heater furnace lining arrangement for detecting according to claim 1, is characterized in that: be provided with abnormal signal absorber in described control system.
3. induction body of heater furnace lining arrangement for detecting according to claim 2, is characterized in that: described abnormal signal absorber is made up of reactor and RC loop.
4. the induction body of heater furnace lining arrangement for detecting according to any one of claims 1 to 3, is characterized in that: described sensor is made up of non-magnetic metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310506197.1A CN103528378B (en) | 2013-10-24 | 2013-10-24 | Induction body of heater furnace lining arrangement for detecting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310506197.1A CN103528378B (en) | 2013-10-24 | 2013-10-24 | Induction body of heater furnace lining arrangement for detecting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103528378A CN103528378A (en) | 2014-01-22 |
| CN103528378B true CN103528378B (en) | 2015-08-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310506197.1A Expired - Fee Related CN103528378B (en) | 2013-10-24 | 2013-10-24 | Induction body of heater furnace lining arrangement for detecting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103528378B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108763832A (en) * | 2018-07-02 | 2018-11-06 | 四川工程职业技术学院 | A kind of method of determining LF stoves furnace lining repairing efficiency |
| CN111750689A (en) * | 2020-07-31 | 2020-10-09 | 安徽富凯特材有限公司 | AOD furnace lining monitoring and early warning system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1018481B (en) * | 1991-02-04 | 1992-09-30 | 冶金工业部钢铁研究总院 | Device and method for measuring thickness of liner in blast furnace and industrial furnace |
| JP3628162B2 (en) * | 1997-12-15 | 2005-03-09 | 日立造船株式会社 | Slag thickness detection method for electric ash melting furnace |
| JP5547117B2 (en) * | 2011-03-03 | 2014-07-09 | 株式会社神戸製鋼所 | Refractory remaining thickness evaluation method |
| CN203534187U (en) * | 2013-10-24 | 2014-04-09 | 昆山良昕环保节能有限公司 | Induction furnace body furnace lining detection device |
-
2013
- 2013-10-24 CN CN201310506197.1A patent/CN103528378B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN103528378A (en) | 2014-01-22 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20201024 |
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| CF01 | Termination of patent right due to non-payment of annual fee |