CN108710154A - A kind of combined metal detection method and device - Google Patents
A kind of combined metal detection method and device Download PDFInfo
- Publication number
- CN108710154A CN108710154A CN201810682310.4A CN201810682310A CN108710154A CN 108710154 A CN108710154 A CN 108710154A CN 201810682310 A CN201810682310 A CN 201810682310A CN 108710154 A CN108710154 A CN 108710154A
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- China
- Prior art keywords
- detector
- belt conveyer
- metal detector
- metal
- sine wave
- Prior art date
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- 239000002184 metal Substances 0.000 title claims abstract description 74
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 74
- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 229910052752 metalloid Inorganic materials 0.000 claims description 11
- 150000002738 metalloids Chemical class 0.000 claims description 11
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 2
- 239000010931 gold Substances 0.000 claims 2
- 229910052737 gold Inorganic materials 0.000 claims 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 40
- 229910052742 iron Inorganic materials 0.000 abstract description 20
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 150000002739 metals Chemical class 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000005672 electromagnetic field Effects 0.000 description 4
- 229910000967 As alloy Inorganic materials 0.000 description 2
- 229910001315 Tool steel Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/12—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with electromagnetic waves
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electromagnetism (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The present invention discloses a kind of combined metal detection method and device, using two kinds of different detection mode combinations, by material by two kinds of metal detectors fully and completely to reject dissimilar metals object.The present invention improves discrimination of the metal detector to metal objects in ore, preferably solves the problems, such as because iron leads to equipment damage and impacted to production excessively.Apparatus of the present invention are simple and practicable, and safety and environmental protection has a wide range of application.
Description
Technical field
The present invention relates to cross iron detection applied to the complicated mineral environment such as mine, and in particular to a kind of combined metal inspection
The method and device of survey.
Background technology
Bargh is easy to perplex by iron during to ore processing, often leads to the damage of equipment because crossing iron,
Production is influenced, direct economic loss is huge.
Metal detector majority currently on the market encourages reception signal to determine whether iron using continuous sine wave, right
Elongated or magnetic higher ironware has good recognition performance, but to bulk weak magnetic steel, especially to the damaged mine such as alloy tool steel bit
It cannot effectively be detected with accessory, cause such object to enter postorder production, the equipment such as crusher are damaged, normal life is influenced
Production.
Invention content
The defect of bulk weak magnetic steel class object can not be effectively detected to solve existing metal detector, is solved in ore processing
Influence of the iron to equipment and production is crossed, equipment is reduced and crosses iron winds danger, the present invention uses combined detection method, thoroughly solves equipment mistake
Iron problem ensures the safety of equipment and being normally carried out for production.
The present invention used technical solution be：
A kind of combined metal detection method, it is characterised in that：Above belt conveyer install sine wave metal detector and
Square wave metal detector, belt conveyer pass through the detector of above two metal detector, material to be sent on belt conveyer
When afterwards, by the detector of sine wave metal detector, detect that elongated rod shape or magnetic steel metalloid are rejected, by square wave
When the detector of metal detector, detect that bulk weak magnetic steel or steel alloy metalloid are rejected, then material passes through belt
Transporter is sent to next procedure.
Iron test problems are crossed for solution is existing, the present invention also provides a kind of combine detection device, the technical solutions of use
It is：
A kind of combined metal detection device, it is characterised in that including a sine wave metal detector, a square wave metal detector,
The sine wave metal detector and square wave metal detector are installed on belt conveyer, and belt conveyer is visited across two metals
Survey the detector of instrument；When material on belt conveyer passes through the detector of sine wave metal detector, detect elongated rod shape or
Magnetic steel metalloid；When material on belt conveyer passes through the detector of square wave metal detector, bulk weak magnetic steel is detected
Or steel alloy metalloid.
The prior art mostly uses sine wave metal detector and carried out iron detection, and the present invention is in existing sine wave survey meter
On the basis of installed a set of square wave metal detector additional, pair cross-section, which accumulates smaller elongate ironware or magnetic higher ironware, to be had well
Recognition performance especially the damaged mining accessory such as alloy tool steel bit can be detected effectively again, solved while to bulk weak magnetic steel
Existing iron detection device of crossing detects incomplete problem, improves the discrimination to metal objects in ore, preferably solves
Because spending the problem of iron leads to the damage of equipment and impacted to production.The present invention can be applied not only to iron ore production field
Cross iron detection, can also be applied to other manufacturing broken materials cross iron detection, simple to operation, safety and environmental protection is answered
It is wide with range.
The present invention has the advantages that：
1, iron winds nearly drop zero is crossed, the economic loss that equipment damage is brought caused by crossing iron is directly reduced（5 ~ 1,000,000 yuan/time）,
Reduce producing cost；
2, the indirect loss for interrupting production for a long time because crossing iron and causing equipment breakdown is reduced, production efficiency is improved.
Description of the drawings
Fig. 1 is combined metal detection device schematic diagram
1：Sine wave metal detector；2：Square wave metal detector；3：Belt conveyer control cabinet；4：Sinusoidal wave detector；5：
Square wave detector；6：Belt conveyer
Specific implementation mode
In order to better understand the present invention, with reference to the embodiment content that the present invention is furture elucidated, but the present invention is not
It is limited only to embodiment.
Embodiment one
Such as Fig. 1, combined metal detection device includes a sine wave metal detector 1, a square wave metal detector 2, sine wave
Metal detector 1 and square wave metal detector 2 are installed at along the transmission direction of belt conveyer 6 above belt conveyer 6（Just
The tandem that string wave metal detector and square wave metal detector are installed on belt conveyer can be exchanged, and first carry out sinusoidal
Wave, which detects or first carry out square wave detection, did not influenced iron effect）, belt conveyer 6 pass through two metal detectors detector,
When material on belt conveyer 6 passes through sinusoidal wave detector 4, elongated rod shape or magnetic steel metalloid are detected；It is visited by square wave
When surveying device 5, bulk weak magnetic steel or steel alloy metalloid are detected.
The alarm signal output ends of sine wave metal detector 1 and the alarm signal output ends string of square wave metal detector 2
Belt conveyer control cabinet 3 is accessed after connection, is connected in series with the control loop of belt conveyer 6.In this way when any metal detection
Instrument, which detects, can send out alarm signal when ironware, belt conveyer control cabinet 3 sends out shutdown letter after receiving alarm signal
Number, stop belt conveyer, is conveniently operated work and rejects ironware.
The sine wave metal detector and square wave metal detector used in the present invention is existing conventional metals detection
Instrument, model and specification change with belt conveyer change width.Sine wave metal detector mainly by transmitting coil, connect
Take-up circle（Transmitting coil and the sinusoidal wave detector of receiving coil composition）And corresponding transmitter, receiver composition, work are former
Reason is：Transmitter encourages transmitting coil with continuous sine wave signal, so that it is generated alternating electromagnetic field, passes through the friendship when there is metal
It will produce induced current when Electromagnetic Field, to generate secondary magnetic field, receiver is detected the variation in magnetic field by receiving coil, drawn
Hair survey meter sends out alarm signal.Square wave metal detector is mainly vibrated by transmitting coil and corresponding transmitter, critical condition
Device forms（The search coil of transmitting coil and critical condition oscillator forms square wave detector）, operation principle is：Transmitter
Transmitting coil is encouraged with continuous square-wave signal, it is made to generate alternating electromagnetic field, when there is metal by the alternating electromagnetic field, meeting
It generates secondary magnetic field to impact former magnetic field, the detection line of the critical condition oscillator in same magnetic field is in tested metal
It will produce eddy current in circle, the energy loss in oscillation circuit made to increase, the oscillator in critical condition stops oscillation, and causes
Survey meter sends out alarm signal.
Embodiment two
Specifically detection method is：
Iron ore is at the uniform velocity visited ore by sine wave by belt conveyer 6 from feed bin funnel to 6 uniform cloth mine of belt conveyer
It surveys device 4 and square wave detector 5 is sent to next procedure, if containing elongated rod shape metal or magnetic steel metalloid in ore, passing through
Sine wave metal detector 1 sends out alarm signal when sinusoidal wave detector 4, and operative employee is notified nearby to be examined to sinusoidal wave detector 4
Rejecting ironware is looked into, while belt conveyer control cabinet 3 sends out stopping signal, and belt conveyer is allowed to be stopped.If containing in ore
There are bulk weak magnetic steel or steel alloy class object, square wave metal detector 2 can send out alarm signal when by square wave detector 5,
Notify operative employee nearby checks to square wave detector 5 to reject ironware, while belt conveyer control cabinet 3 sends out stopping signal, allows
Belt conveyer is stopped.
Claims (6)
1. a kind of combined metal detection method, it is characterised in that：Sine wave metal detector is installed above belt conveyer
With square wave metal detector, belt conveyer passes through the detector of above two metal detector, material to be sent to belt conveyer
After upper, by sine wave metal detector detector when, detect that elongated rod shape or magnetic steel metalloid are rejected, by side
When the detector of wave metal detector, detect that bulk weak magnetic steel or steel alloy metalloid are rejected, then material passes through skin
Band transporter is sent to next procedure.
2. combined metal detection method as described in claim 1, it is characterised in that：Sine wave metal detector and square wave gold
The control loop of belt conveyer is accessed after the alarm signal output ends series connection of category survey meter.
3. combined metal detection method as claimed in claim 1 or 2, it is characterised in that：Any metal detector detects
Alarm signal is sent out when ironware and stops belt conveyer.
4. a kind of combined metal detection device, it is characterised in that including a sine wave metal detector, a square wave metal detection
Instrument, the sine wave metal detector and square wave metal detector are installed on belt conveyer, and belt conveyer passes through two gold medals
Belong to the detector of survey meter；When material on belt conveyer passes through the detector of sine wave metal detector, stock is detected
Shape or magnetic steel metalloid；When material on belt conveyer passes through the detector of square wave metal detector, detect that bulk is weak
Magnet steel or steel alloy metalloid.
5. a kind of combined metal detection device as claimed in claim 4, it is characterised in that sine wave metal detector and side
Belt conveyer control cabinet is accessed after the alarm signal output ends series connection of wave metal detector.
6. a kind of combined metal detection device as described in claim 4 or 5, it is characterised in that：Any metal detector inspection
Alarm signal is sent out when measuring ironware and stops belt conveyer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810682310.4A CN108710154A (en) | 2018-06-27 | 2018-06-27 | A kind of combined metal detection method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810682310.4A CN108710154A (en) | 2018-06-27 | 2018-06-27 | A kind of combined metal detection method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108710154A true CN108710154A (en) | 2018-10-26 |
Family
ID=63872041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810682310.4A Pending CN108710154A (en) | 2018-06-27 | 2018-06-27 | A kind of combined metal detection method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108710154A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4249128A (en) * | 1978-02-06 | 1981-02-03 | White's Electronics, Inc. | Wide pulse gated metal detector with improved noise rejection |
| CN102096110A (en) * | 2010-11-19 | 2011-06-15 | 北京交通大学 | Metal detecting device suitable for belt conveying mechanism |
| CN203396961U (en) * | 2013-09-03 | 2014-01-15 | 高玉琴 | Metal locator |
| CN206367820U (en) * | 2016-11-28 | 2017-08-01 | 淮北矿业（集团）有限责任公司 | A kind of ferromagnetic substance removing device applied to belt conveyer |
| CN107329176A (en) * | 2017-07-18 | 2017-11-07 | 应城市恒天药业包装有限公司 | A kind of pipeline metal detection device |
| CN208314221U (en) * | 2018-06-27 | 2019-01-01 | 安徽金安矿业有限公司 | A kind of combined metal detection device |
-
2018
- 2018-06-27 CN CN201810682310.4A patent/CN108710154A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4249128A (en) * | 1978-02-06 | 1981-02-03 | White's Electronics, Inc. | Wide pulse gated metal detector with improved noise rejection |
| CN102096110A (en) * | 2010-11-19 | 2011-06-15 | 北京交通大学 | Metal detecting device suitable for belt conveying mechanism |
| CN203396961U (en) * | 2013-09-03 | 2014-01-15 | 高玉琴 | Metal locator |
| CN206367820U (en) * | 2016-11-28 | 2017-08-01 | 淮北矿业（集团）有限责任公司 | A kind of ferromagnetic substance removing device applied to belt conveyer |
| CN107329176A (en) * | 2017-07-18 | 2017-11-07 | 应城市恒天药业包装有限公司 | A kind of pipeline metal detection device |
| CN208314221U (en) * | 2018-06-27 | 2019-01-01 | 安徽金安矿业有限公司 | A kind of combined metal detection device |
Non-Patent Citations (1)
| Title |
|---|
| 孙光著: "《反爆炸学》", 群众出版社, pages: 296 - 305 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20181026 |