CN101552083B - Device and method for synchronously demagnetizing steel wire lining conveyor belt - Google Patents
Device and method for synchronously demagnetizing steel wire lining conveyor belt Download PDFInfo
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- CN101552083B CN101552083B CN2008100353690A CN200810035369A CN101552083B CN 101552083 B CN101552083 B CN 101552083B CN 2008100353690 A CN2008100353690 A CN 2008100353690A CN 200810035369 A CN200810035369 A CN 200810035369A CN 101552083 B CN101552083 B CN 101552083B
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- demagnetizer
- conveyor belt
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- plane
- wire lining
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Abstract
The invention discloses a device and a method for synchronously demagnetizing steel wire lining conveyor belt, wherein the demagnetizing device comprises a planar demagnetizer, a planar demagnetizer controlling box and a support frame; a magnetizer is arranged in a magnet exciting coil which is positioned on a magnet exciting board and connected with the planar demagnetizer controlling box; a magnet exciting board shell is arranged on the magnet exciting board to form a cavity body; two ends of the support frame are respectively and fixedly connected with a bracket and the magnet exciting board shell, and the planar demagnetizer is fixed above a descending plane of the conveyor belt. The method comprises the following steps: an iron remover is started after metals in mineral materials are detected by a metal detector, and a signal is input into the first input end of an and gate circuit; a conveyor belt walking signal is transmitted into the second input end of the and gate circuit; the planar demagnetizer controlling box is started by an and gate circuit transmission signal; and the planar demagnetizer is controlled to demagnetize the conveyor belt after the planar demagnetizer controlling box receives a signal emitted from an initial start time-delay interrupter. The invention can entirely demagnetize the steel wire lining conveyor belt and ensures the normal operation of themetal detector.
Description
Technical field
The present invention relates to ribbon conveyer, relate in particular to synchronous degaussing gear of steel wire lining conveyor belt and demagnetization method thereof.
Background technology
The ribbon conveyer that transports particle, powdered iron ore etc. at a distance is current a kind of efficient transporting equipment; And be widely used in industries such as smelter, harbour, the storage of mineral aggregate field; Characteristics such as its advance is that fed distance is long, and belt speed is high, the conveyer belt zone face is wide.
Bulk goods material (mineral material) if infiltrate the discarded foreign material of metal species, when especially infiltrating rectangular shaft-like sharp metal object, will produce greatly and endanger in the process of transporting.In piece grain bulk goods material like coal, ore charge etc.; The metal object of infiltrating is iron and steel class material basically; These iron and steel class materials generally all produce that the ore deposit is gathered and transportation in sneak into, be the parts, structural member, discarded object etc. of machinery equipment, Work tool in some each links basically.These things often all have corner angle, and destructive power is very big.Consequence is gently then damaged the terminal machinery equipment, and is heavy then tear the conveyer belt of carrying unit, and whole conveyer belt broken string is stopped production, and brings about great losses.
Therefore in order to guarantee the safe direct motion of transport, sieving unit,, endanger to eliminate so metal detector and tramp iron separator are housed at the feeding front end of ribbon conveyer.But whole conveyer belt bulk cargo material metal object is removed system and is also existed deficiency, i.e. misoperation is very many.Because conveyer belt inner lining steel filament diameter is thick and dense arrangement, on unit, moves all the time just as whole piece steel plate band.The tramp iron separator that is installed on the conveyer belt contains powerful electromagnet, and tramp iron separator has also magnetized a certain section steel wire lining conveyor belt when drawing scrap iron each time, and along with the high-speed cruising of conveyer belt unit, its magnetization paragraph also can constantly elongate.The conveyer belt paragraph that has been magnetized is through the startup of " misleading " deironing system and device one after another in the metal detector.If the conveyer belt paragraph that has been magnetized constantly increases, promptly the whole piece conveyer belt can let metal detector differentiate that its consequence is constantly to drive deironing apparatus to carry out dry run in order metal object to be arranged all the time.So circulation is gone down, and with the normal identification that seriously influences metal detector, and owing to start the deironing system equipment again and again, when energy consumption is increased, has shortened the life-span that metal object is removed system.
Summary of the invention
The object of the present invention is to provide synchronous degaussing gear of a kind of steel wire lining conveyor belt and demagnetization method thereof; This degaussing gear and demagnetization method thereof can carry out whole demagnetization to steel wire lining conveyor belt; Avoid steel wire to be magnetized the back to the influence of metal detector; Guarantee the normal operation of steel wire lining conveyor belt, prolonged the life-span that metal object is removed system.
In order to achieve the above object, the invention provides the synchronous degaussing gear of a kind of steel wire lining conveyor belt, this degaussing gear is achieved in that
The synchronous degaussing gear of a kind of steel wire lining conveyor belt; Up carrying roller and descending carrying roller are fixedly mounted on the support; The up face of steel wire lining conveyor belt is arranged on the up carrying roller; The descending face of steel wire lining conveyor belt is arranged on the descending carrying roller, and the end, front and back of steel wire lining conveyor belt is provided with live-roller, is disposed with metal detector, tramp iron separator along the direction of advance of up of conveyer belt; Said degaussing gear comprises plane demagnetizer, demagnetizer control cabinet, bracing frame; Its midplane demagnetizer is made up of several single-row assemblys; Single-row assembly comprises magnet exciting coil, magnetic conductor, excitation plate; Magnetic conductor places in the magnet exciting coil, and magnet exciting coil places on the excitation plate, and magnet exciting coil links to each other with the demagnetizer control cabinet; A bulk of excitation plate is provided with magnet exciting board shell and forms cavity, and several single-row assemblys are surrounded; One end and the support of bracing frame are affixed, and the other end and the magnet exciting board shell of bracing frame are affixed, the plane demagnetizer are fixed on the top of descending of steel wire lining conveyor belt.
The quantity of said single-row assembly is even number.
Demagnetizer the place ahead, said plane is provided with the planar delta sweeper, and descending of steel wire lining conveyor belt passes through planar delta sweeper, plane demagnetizer successively along direction of advance.
Said magnetic conductor is a silicon steel.
A kind of demagnetization method that uses the synchronous degaussing gear of above-mentioned steel wire lining conveyor belt to carry out, it comprises following steps:
The first step, conveyer belt traveling drive motors sends instruction, and conveyer belt is moved forward; If contain metal object in the mineral material on the conveyer belt, after metal object was through the metal detector gate control system, metal detector gave the alarm, and sent signal to tramp iron separator driver and make the tramp iron separator excitation carry out deironing to the metal object in the mineral material; Simultaneously, tramp iron separator synchronizing signal extractor is transferred to the drive signal of tramp iron separator driver the first input end of AND circuit;
In second step, conveyer belt traveling drive motors sends conveyer belt traveling signal, through conveyer belt traveling dector, conveyer belt traveling signal is transferred to second input of AND circuit;
In the 3rd step, AND circuit is received output switching activity signal to plane demagnetizer control cabinet behind two road input signals, starts plane demagnetizer control cabinet;
In the 4th step, conveyer belt traveling signal is transferred to initial start time-delay interrupter simultaneously, and initial start time-delay interrupter sends control signal and is transferred to plane demagnetizer control cabinet;
In the 5th step, plane demagnetizer control cabinet outputs a control signal to plane demagnetizer working time control device and plane demagnetizer, and the control plane demagnetizer carries out whole demagnetization to steel wire lining conveyor belt.
Said plane demagnetizer working time control device carries out time control according to the conveyer belt girth to the plane demagnetizer.
The synchronous degaussing gear of steel wire lining conveyor belt provided by the invention adds and is located at descending top of steel wire lining conveyor belt; Through plane demagnetizer control cabinet and plane demagnetizer working time control device the operation of plane demagnetizer is controlled, made the plane demagnetizer carry out whole demagnetization steel wire lining conveyor belt.To the influence of metal detector, guarantee the normal operation of steel wire lining conveyor belt after the present invention has effectively avoided steel wire to be magnetized, prolonged the life-span that metal object is removed system.
Description of drawings
Fig. 1 is the structural representation of the synchronous degaussing gear of steel wire lining conveyor belt of the present invention;
Fig. 2 is that the B-B of Fig. 1 is to enlarged diagram;
Fig. 3 is the flow chart of the synchronous demagnetization method of steel wire lining conveyor belt of the present invention.
Among the figure: 1 mineral material, 2 steel wire lining conveyor belts, 3 metal objects, 4 metal detectors, 5 tramp iron separators, 61 preceding live-rollers; 62 back live-rollers, 7 up carrying rollers, 8 descending carrying rollers, 9 plane demagnetizers, 10 planar delta sweepers; 11 supports, 12 bracing frames, 13 magnet exciting coils, 14 excitation plates, 15 excitation shells; 16 magnetic conductors, 17 up, 18 descending, 19,20 roll shafts, A is to being the steel wire lining conveyor belt direction of travel.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is described further.
Referring to Fig. 1, Fig. 2; The synchronous degaussing gear of a kind of steel wire lining conveyor belt; Up carrying roller 7 is fixedly mounted on the support 11 through roll shaft 20,19 respectively with descending carrying roller 8; Up 17 of steel wire lining conveyor belt 2 is arranged on the up carrying roller 7, and up 17 is concave panel, and delivery contains the mineral material 1 of metal object 3 on up 17; Descending 18 of steel wire lining conveyor belt 2 is arranged on the descending carrying roller 8, and descending 18 is a plane.Live-roller 61 and back live-roller 62 before the front and back end portion of steel wire lining conveyor belt 2 is provided with respectively, under the drive of forward and backward live- roller 61,62, steel wire lining conveyor belt 2 along A to traveling.Direction of advance along 2 up 17 of steel wire lining conveyor belts is disposed with metal detector 4, tramp iron separator 5.
Said degaussing gear comprises plane demagnetizer 9, demagnetizer control cabinet, bracing frame 12.Its midplane demagnetizer 9 is made up of several single-row assemblys, and single-row assembly comprises magnet exciting coil 13, magnetic conductor 16, excitation plate 14.Magnetic conductor 16 places in the magnet exciting coil 13, and magnet exciting coil 13 places on the excitation plate 14, and magnet exciting coil 13 links to each other with the demagnetizer control cabinet; A bulk of excitation plate 14 is provided with magnet exciting board shell 15 and forms cavity, and several single-row assemblys are surrounded.In the present embodiment, the quantity of single-row assembly is even number, can guarantee that plane demagnetizer 9 can carry out demagnetization to the steel wire of arranging in the steel wire lining conveyor belt 2 more equably; Magnetic conductor 16 is a high permeability silicon steel.The demagnetizer control cabinet sends control signal and gives plane demagnetizer 9, and the magnet exciting coil 13 energising backs of plane demagnetizer 9 produce magnetic field arranging steel wire in the metal inner lining conveyer belt 2 is carried out demagnetization.
One end and the support 11 of bracing frame 12 are affixed, and the other end of bracing frame 12 and magnet exciting board shell 15 are affixed, plane demagnetizer 9 are fixed on the top of 2 descending 18 of steel wire lining conveyor belts.The working face of plane demagnetizer 9 adopts non-magnetic conduction metalloid sealing to install, and has waterproof, shock resistance characteristic.
Demagnetizer 9 the place aheads in plane are provided with planar delta sweeper 10, and 2 descending 18 of steel wire lining conveyor belts pass through planar delta sweeper 10, plane demagnetizer 9 successively along direction of advance.
The present invention also provides a kind of demagnetization method that uses the synchronous degaussing gear of above-mentioned steel wire lining conveyor belt to carry out, and it comprises following steps, and its demagnetization method flow chart is referring to Fig. 3:
The first step, conveyer belt traveling drive motors sends instruction, and conveyer belt is moved forward.If contain metal object in the mineral material on the conveyer belt, after metal object was through the metal detector gate control system, metal detector gave the alarm, and sent signal to tramp iron separator driver and make the tramp iron separator excitation carry out deironing to the metal object in the mineral material.Simultaneously, tramp iron separator synchronizing signal extractor is transferred to the drive signal of tramp iron separator driver the first input end of two AND circuits;
In second step, conveyer belt traveling drive motors sends conveyer belt traveling signal, through conveyer belt traveling dector, conveyer belt traveling signal is transferred to second input of two AND circuits;
In the 3rd step, AND circuit is received output switching activity signal to plane demagnetizer control cabinet behind two road input signals, starts plane demagnetizer control cabinet;
In the 4th step, conveyer belt traveling signal is transferred to initial start time-delay interrupter simultaneously, and initial start time-delay interrupter sends control signal and is transferred to plane demagnetizer control cabinet;
The 5th step; Plane demagnetizer control cabinet outputs a control signal to plane demagnetizer working time control device and plane demagnetizer; Plane demagnetizer working time control device then carries out time control according to the conveyer belt girth to the plane demagnetizer, and the control plane demagnetizer carries out whole demagnetization to steel wire lining conveyor belt.
Initial start time-delay interrupter among the present invention only after conveyer belt stops, working during initial start, and conveyer belt normally moves back (according to girth and belt speed) can be stopped by automatic time delay.When the conveyer belt drive motors started, the plane demagnetizer was started working, and immediately a week of conveyer belt is carried out demagnetization; After conveyer belt one all demagnetizations finish, the waiting period that the plane demagnetizer should being at this moment.
The present invention can carry out whole demagnetization to steel wire lining conveyor belt, has effectively avoided steel wire to be magnetized the back to the influence of metal detector, has guaranteed the normal operation of steel wire lining conveyor belt, has prolonged the life-span that metal object is removed system.
Claims (5)
1. synchronous degaussing gear of steel wire lining conveyor belt; Up carrying roller and descending carrying roller are fixedly mounted on the support; The up face of steel wire lining conveyor belt is arranged on the up carrying roller, and the descending face of steel wire lining conveyor belt is arranged on the descending carrying roller, and the end, front and back of steel wire lining conveyor belt is provided with live-roller; Direction of advance along up of conveyer belt is disposed with metal detector, tramp iron separator
It is characterized in that: said degaussing gear comprises plane demagnetizer, demagnetizer control cabinet, bracing frame; Its midplane demagnetizer is made up of several single-row assemblys, and single-row assembly comprises magnet exciting coil, magnetic conductor, excitation plate, and magnetic conductor places in the magnet exciting coil, and magnet exciting coil places on the excitation plate, and magnet exciting coil links to each other with the demagnetizer control cabinet; Excitation plate is provided with magnet exciting board shell and forms cavity, and several single-row assemblys are surrounded;
One end and the support of bracing frame are affixed, and the other end and the magnet exciting board shell of bracing frame are affixed, the plane demagnetizer are fixed on the top of descending of steel wire lining conveyor belt.
2. the synchronous degaussing gear of steel wire lining conveyor belt according to claim 1 is characterized in that: the quantity of single-row assembly is even number.
3. the synchronous degaussing gear of steel wire lining conveyor belt according to claim 1 is characterized in that: demagnetizer the place ahead, plane is provided with the planar delta sweeper, and descending of steel wire lining conveyor belt passes through planar delta sweeper, plane demagnetizer successively along direction of advance.
4. the synchronous degaussing gear of steel wire lining conveyor belt according to claim 1 is characterized in that: magnetic conductor is a silicon steel.
5. demagnetization method that uses the synchronous degaussing gear of the described steel wire lining conveyor belt of claim 1 to carry out, it comprises following steps:
The first step, conveyer belt traveling drive motors sends instruction, and conveyer belt is moved forward; If contain metal object in the mineral material on the conveyer belt, after metal object was through the metal detector gate control system, metal detector gave the alarm, and sent signal to tramp iron separator driver and make the tramp iron separator excitation carry out deironing to the metal object in the mineral material; Simultaneously, tramp iron separator synchronizing signal extractor is transferred to the drive signal of tramp iron separator driver the first input end of AND circuit;
In second step, conveyer belt traveling drive motors sends conveyer belt traveling signal, through conveyer belt traveling dector, conveyer belt traveling signal is transferred to second input of AND circuit;
In the 3rd step, AND circuit is received output switching activity signal to plane demagnetizer control cabinet behind two road input signals, starts plane demagnetizer control cabinet;
In the 4th step, conveyer belt traveling signal is transferred to initial start time-delay interrupter simultaneously, and initial start time-delay interrupter sends control signal and is transferred to plane demagnetizer control cabinet;
The 5th step; Plane demagnetizer control cabinet outputs a control signal to plane demagnetizer working time control device; Plane demagnetizer working time control device carries out time control according to the conveyer belt girth to the plane demagnetizer then, and the control plane demagnetizer carries out whole demagnetization to steel wire lining conveyor belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100353690A CN101552083B (en) | 2008-03-31 | 2008-03-31 | Device and method for synchronously demagnetizing steel wire lining conveyor belt |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100353690A CN101552083B (en) | 2008-03-31 | 2008-03-31 | Device and method for synchronously demagnetizing steel wire lining conveyor belt |
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| Publication Number | Publication Date |
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| CN101552083A CN101552083A (en) | 2009-10-07 |
| CN101552083B true CN101552083B (en) | 2012-05-30 |
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| CN2008100353690A Expired - Fee Related CN101552083B (en) | 2008-03-31 | 2008-03-31 | Device and method for synchronously demagnetizing steel wire lining conveyor belt |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102646496B (en) * | 2011-02-22 | 2014-06-04 | 宝山钢铁股份有限公司 | Method and device for demagnetizing steel wire conveying belt without energy consumption |
| CN103839653B (en) * | 2012-11-23 | 2016-03-30 | 宝山钢铁股份有限公司 | Gravity type steel wire conveying belt level walks demagnetization rack device |
| CN105118607B (en) * | 2015-09-29 | 2018-02-13 | 洛阳轴研科技股份有限公司 | A kind of more magnetic pole group integrations pass through formula demagnetizer |
| CN110180801A (en) * | 2019-05-16 | 2019-08-30 | 江苏磁谷科技股份有限公司 | For removing method, apparatus, medium and the belt auxiliary system of magnetic sundries |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4470094A (en) * | 1980-07-14 | 1984-09-04 | Electro-Matic Products Co. | Demagnetizing apparatus and method |
| CN1564274A (en) * | 2004-03-27 | 2005-01-12 | 赵贵军 | Bearing roller demagnetizer and usage thereof |
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2008
- 2008-03-31 CN CN2008100353690A patent/CN101552083B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4470094A (en) * | 1980-07-14 | 1984-09-04 | Electro-Matic Products Co. | Demagnetizing apparatus and method |
| CN1564274A (en) * | 2004-03-27 | 2005-01-12 | 赵贵军 | Bearing roller demagnetizer and usage thereof |
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| CN101552083A (en) | 2009-10-07 |
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Granted publication date: 20120530 Termination date: 20170331 |