CN103528378A - Furnace lining detection device of induction furnace body - Google Patents
Furnace lining detection device of induction furnace body Download PDFInfo
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- CN103528378A CN103528378A CN201310506197.1A CN201310506197A CN103528378A CN 103528378 A CN103528378 A CN 103528378A CN 201310506197 A CN201310506197 A CN 201310506197A CN 103528378 A CN103528378 A CN 103528378A
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- furnace lining
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Abstract
The invention discloses a furnace lining detection device of an induction furnace body. The device comprises furnace body side sensors and further comprises a control system and a data instrument, wherein the furnace body side sensors are divided into at least two blocks installed in a furnace lining of the induction furnace body side, the sensors in at least one block are connected in series, the sensors in two blocks are are connected with the control system and the data instrument through wires, the control system and the data instrument are arranged outside the induction furnace body, and signals for feeding back impedance changes are transmitted to the control system and the data instrument. The control system comprises a data adjusting resistor VR1, a filtering circuit RC-L, a data comparison circuit K1-R1, an alarming executing circuit and a power-off protection circuit, and the data adjusting resistor VR1, the filtering circuit RC-L, the data comparison circuit K1-R1, the alarming executing circuit and the power-off protection circuit are sequentially connected. The detection device is capable of real-time detection and intelligent control, safe, reliable, low in cost, simple in structure, easy to operate and capable of preventing various potential hazards caused by the phenomenon that high-temperature molten steel penetrates through a furnace.
Description
Technical field
The present invention relates to a kind of induction body of heater furnace lining arrangement for detecting, belong to mechanical & electrical technology field.
Background technology
Induction furnace is a kind of electromechanical equipment generally using, 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 molten steel, slag and furnace gas induction furnace, is constantly subject to physics, machinery and chemical corrosion function, therefore the quality of furnace lining is extremely important.Furnace lining is generally directly at body of heater the inside tamping, to be formed by refractory material, and 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 that determines on the other hand furnace lining quality is furnace lining baking, bad if furnace lining baking technique is held, and also can cause furnace lining to occur slight crack or internal fissure, cannot with the naked eye judge and draw.And the quality of furnace lining quality because of cannot naked eyes judgement, 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, builds a furnace lining and can burn several stoves, then catch a standard value as judgement foundation, to certain heat just change furnace lining.Often the quality of some furnace lining is not sure, can directly cause wearing the generation of stove phenomenon, wear stove and be exactly the phenomenon that high-temperature molten steel leaks beyond body of heater through furnace lining, wear stove and directly can threaten site operation personnel's safety, and one of problem that production safety problem is also our this society to be paid close attention to most.The equipment of wearing in addition after stove must could normally be used after overhaul, can delay to a great extent manufacturing schedule.
For above problem, there is also release one after another this type of product of a lot of industrial furnace equipment manufacturers 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 the generation of wearing stove phenomenon in prior art, can not artificially judge the quality of furnace lining and cause high-temperature molten steel through induction coil, to flow to body of heater in body of heater, be there is to very large hidden danger and equipment is badly damaged returns factory's overhaul and delay production problem in operating personnel's personal safety, the invention provides that a kind of cost is low, simple in structure, ease of Use, can effectively prevent that 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 address the above 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, be divided in the furnace lining that at least two blocks are arranged on induction furnace side, wherein at least one block sensor adopts series system to connect, and two block sensors are wherein by wire and induction furnace external control system and data Instrument connection, and the signal of feedback impedance variation 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 connecting 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: in described control system, be provided with abnormal signal absorber.
Described induction body of heater furnace lining arrangement for detecting, is characterized in that: described abnormal signal absorber is comprised of reactor and RC loop.
As preferred version, described induction body of heater furnace lining arrangement for detecting, is characterized in that: described sensor is to be made by non-magnetic metal material.
Beneficial effect: induction body of heater furnace lining arrangement for detecting provided by the invention is to utilize the variation of induction body of heater furnace lining thickness can affect the variation of the impedance between its sensor, and the variation of impedance can cause the variation of control system signal; Thereby can whether be met the requirements by automatic decision by the value control system setting in advance, if undesirable, control system can be forbidden the startup of equipment, or in equipment normal course of operation, if there is abnormal conditions to occur, control system can be with the form alert of alarm, and equipment can auto-breaking, out of service; With regard to effectively personal safety and the equipment fault problem of having avoided wearing stove and having caused, improve to a great extent the security of operation like this, reduced the cost of client's each side.Ensured again the normal operation of equipment, extended the service life of equipment simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is electrical principle schematic diagram of the present invention.
The specific embodiment
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 in the furnace lining that at least two blocks are arranged on induction furnace side, wherein at least one block sensor adopts series system to connect, two block sensors are wherein connected by wire 5 control system 3 external with induction furnace, the data instrument 4 of connecting in control system.
Described sensor 1 is divided in the furnace lining 2 that at least two blocks are arranged on induction furnace side, and one of them block is connected with a port of control system 3, after all the other blocks series connection, is connected with the another port of control system 3, forms one and detects loop.
Described control system 3 comprises data regulating resistance VR1, filter circuit RC-L, comparing loop K1-R1, alarm execution loop, the power-off protection loop connecting successively.Control system is the impedance change signal for receiving sensor, then impedance signal is become to voltage signal.Control system contrasts the signal feeding back and standard value, if exceed standard value, and equipment meeting autostop, and alarm meeting is sounded as prompting.The standard value of control system is adjustable.
Described data instrument 4 is to be connected in control system 3, is responsible for the variation of monitoring furnace lining data.Data instrument offers reference value of operating personnel, and along with the variation of furnace lining, the data of instrument also and then change.
When furnace lining 2 changes, to install after 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, data instrument 4 meeting display parameter data, are adjusted to the normal data of wanting; When furnace lining 2 changes; sensor 1 can pass the signal along in control system 3 loops; in control system 3, relay K 1 coil in comparing loop is the object of signal comparison; when signal surpasses relay K 1; relay K 1 coil motion, follows the auxiliary contact of relay K 1 and in warning, carries out while closure in loop and in power-off protection loop, alarm action prompt operating personnel respectively; meanwhile, power-off protection loop makes equipment out of service.Thereby the safety of support personnel and equipment.
More than show and described basic 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; that in above-described embodiment and description, describes 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.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (5)
1. respond to body of heater furnace lining arrangement for detecting for one kind, comprise body of heater side senser, it is characterized in that: also comprise control system and data instrument, described body of heater side senser, be divided in the furnace lining that at least two blocks are arranged on induction furnace side, wherein at least one block sensor adopts series system to connect, and two block sensors are wherein by wire and induction furnace external control system and data Instrument connection, and the signal of feedback impedance variation sends control system and data instrument to.
2. induction body of heater furnace lining arrangement for detecting according to claim 1, is characterized in that: described control system comprises data regulating resistance VR1, filter circuit RC-L, the comparing loop K1-R1 connecting successively, report to the police execution loop, power-off protection loop.
3. induction body of heater furnace lining arrangement for detecting according to claim 2, is characterized in that: in described control system, be provided with abnormal signal absorber.
4. induction body of heater furnace lining arrangement for detecting according to claim 3, is characterized in that: described abnormal signal absorber is comprised of reactor and RC loop.
5. according to the induction body of heater furnace lining arrangement for detecting described in claim 1 to 4 any one, it is characterized in that: described sensor is to be made by 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 true CN103528378A (en) | 2014-01-22 |
| CN103528378B CN103528378B (en) | 2015-08-19 |
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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 |
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| CN (1) | CN103528378B (en) |
Cited By (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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1054831A (en) * | 1991-02-04 | 1991-09-25 | 冶金工业部钢铁研究总院 | Blast furnace and industrial furnace kiln lining thickness measuring apparatus and method |
| JPH11173531A (en) * | 1997-12-15 | 1999-06-29 | Hitachi Zosen Corp | Method for detecting thickness of slag in electric ash melting furnace |
| JP2012181164A (en) * | 2011-03-03 | 2012-09-20 | Kobe Steel Ltd | Method for evaluating residual thickness of refractory |
| 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
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1054831A (en) * | 1991-02-04 | 1991-09-25 | 冶金工业部钢铁研究总院 | Blast furnace and industrial furnace kiln lining thickness measuring apparatus and method |
| JPH11173531A (en) * | 1997-12-15 | 1999-06-29 | Hitachi Zosen Corp | Method for detecting thickness of slag in electric ash melting 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 |
| JP2012181164A (en) * | 2011-03-03 | 2012-09-20 | Kobe Steel Ltd | Method for evaluating residual thickness of refractory |
| 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 |
Cited By (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103528378B (en) | 2015-08-19 |
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Granted publication date: 20150819 Termination date: 20201024 |
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