CN206574565U - A kind of new high efficiency smart demagnetizer - Google Patents
A kind of new high efficiency smart demagnetizer Download PDFInfo
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- CN206574565U CN206574565U CN201720338487.3U CN201720338487U CN206574565U CN 206574565 U CN206574565 U CN 206574565U CN 201720338487 U CN201720338487 U CN 201720338487U CN 206574565 U CN206574565 U CN 206574565U
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- ore pulp
- magnetic coil
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- mozzle
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Abstract
The utility model provides a kind of new high efficiency smart demagnetizer, belong to magnetic mineral and take off magnetic technology field, the technical scheme of use is a kind of new high efficiency smart demagnetizer, including ore pulp mozzle and the de- magnetic coil being wrapped on ore pulp mozzle, also include PLC, temperature sensor, ore pulp detector and the de- magnetic coil driver being connected with PLC signal output part, temperature sensor, ore pulp detector are connected with PLC signal input part, and the de- magnetic coil driver of control, de- magnetic coil form closed-loop control by electric current.Beneficial effect is to set temperature sensor and ore pulp detector, and PLC whether there is and taken off magnetic coil temperature according to ore pulp, the power on/off and size of current of adaptive, the full-automatic de- magnetic coil of adjustment；Prevent de- too high, dry combustion method of magnetic coil temperature etc. to damage, have overheat protective function, extend de- magnetic coil and demagnetizer service life, use manpower and material resources sparingly resource, improve de- magnetic efficiency and operating efficiency.
Description
Technical field
The utility model belongs to magnetic mineral and takes off magnetic technology field, and in particular to a kind of new high efficiency smart demagnetizer.
Background technology
Magnet mine beneficiation flowsheet is typically completed by the multistage operation such as broken, ore grinding, classification, magnetic separation and filtering.In magnetic
Property sorting mineral during, fine-grained magnetite coercivity is big, and remanent magnetism is retained after being magnetized, forms magnetic group, is difficult to separate, serious shadow
Separation operation is rung, the application of demagnetizer greatly facilitates the de- magnetic separation operation of fine-grained magnetite.
At present, the demagnetizer species that mine is used is more, but from control and driving method, usually using single-chip microcomputer
（CPU）Pulse-triggered SCR or IGBT constant power element control LC loops produce resonance, and certain waveform is produced in de- magnetic coil
Magnetic field so as to realizing the de- magnetic of fine-grained magnetite.But in operation process, the shortcomings frequency of this kind of demagnetizer is existing, such as de- magnetic
Device is, according to caliber type selecting, any adjustment can not to be carried out after installation, can not more be automatically controlled according to ore properties, the change of ore deposit amount de-
Magnetic effect, causes demagnetizer can not in the best condition be run according to the change of actual ore deposit amount；For another example, the coil consumption of demagnetizer is usual
It is to be run for a long time with big electricity, self-heating is than more serious, to prevent the too high damage of coil temperature rise, what general demagnetizer was used
Electromagnetic frequency, field strength are all very low, and this causes de- magnetic effect poor；Further, the current demagnetizer course of work lacks full-automatic adaptive
Should control, especially when do not have in demagnetizer ore pulp by when, demagnetizer coil is still continual to be electrified for a long time, and on the one hand makes line
Temperature rise is enclosed, the de- magnetic efficiency of influence can also have a strong impact on the demagnetizer life-span, considerably increase maintenance cost, consume manpower thing
Power resource, this brings inconvenience to the de- magnetic separation work of fine-grained magnetite.
The content of the invention
Low easily too high, the de- magnetic efficiency of magnetic coil temperature, life-span impaired serious, manpower and maintenance are taken off to solve current demagnetizer
The high technical problem of cost, the utility model provides a kind of new high efficiency smart demagnetizer, by setting up de- magnetic coil temperature
Sensor is simultaneously controlled by the coordination of ore pulp detector and PLC integrated controllers, realizes basis in operation process whether there is ore pulp
And the temperature automatic adjustment of de- magnetic coil takes off the break-make of magnet-wire loop current, form full-automatic, self-adapting type and take off magnetic, effectively protection is de-
Chinaware, the saving energy.
The technical solution adopted in the utility model is：
A kind of new high efficiency smart demagnetizer, including ore pulp mozzle and the de- magnet-wire being wrapped on ore pulp mozzle
Circle, it is critical that also including PLC, the temperature sensor for detecting each de- magnetic coil temperature, for detecting that ore pulp is led
The de- magnetic coil driver that the ore pulp detector of ore pulp is whether there is in flow tube and is connected with PLC signal output part, the temperature
The signal input part for spending sensor, ore pulp detector and PLC is connected, and control takes off magnetic coil driver, takes off magnetic coil
Closed-loop control is formed by electric current.
It is preferred that, the ore pulp detector is arranged on the tube wall of ore pulp mozzle, by its working face and ore pulp water conservancy diversion
The capacitance size of ore pulp formation exports open and close signal, the de- magnetic coil work of control through processing of circuit to de- magnetic coil driver in pipe
Make or stop.
It is preferred that, the de- magnetic coil, temperature sensor and ore pulp mozzle pour into an integrated entity and formed by insulating cement
Pour into a mould housing.
It is preferred that, it is provided with and external environment condition on the inside of de- magnetic coil and/or on the outside of ore pulp mozzle in the cast housing
The heat dissipation channel communicated.
It is preferred that, reinforced frame is also included in the demagnetizer structure, reinforced frame includes flange and connecting rod.
It is preferred that, the PLC signal input part is connected with touch-screen.
It is preferred that, it is provided with the ore pulp mozzle and flows to choked flow component for disturbing ore pulp.
It is preferred that, the choked flow component is that swirler or choked flow modular construction include what is be coaxially disposed with ore pulp mozzle
Axis and the rotating vortex pipe positioned along axis circumferential intermittent.
It is preferred that, the wind being connected with PLC signal output part is also included in the structure of the high efficiency smart demagnetizer
Device for cooling.
In above-mentioned technical proposal, new high efficiency smart demagnetizer, structure includes ore pulp mozzle and is wrapped in ore pulp
De- magnetic coil on mozzle, be as key Design of the present utility model, in addition to PLC, temperature sensor, ore pulp
Detector and de- magnetic coil driver, temperature sensor are used to detect each de- magnetic coil temperature, and ore pulp detector is used to detect ore deposit
Ore pulp is whether there is in slurry mozzle to flow through, the circuit structure of de- magnetic coil driver includes shaking loop and its supporting control electricity
Road, such as sets two-way IGBT or SCR control loop and the LC being connected respectively with IGBT or SCR control loops concussion loop, i.e., one
Road IGBT or SCR control loop is connected with charging capacitor, and another road IGBT or SCR control loops are connected with discharge circuit, so that
De- magnetic coil driver is controlled to the break-make of output current, size and concussion loop, so as to realize to leading in de- magnetic coil
The control for the electric current crossed；Temperature sensor, ore pulp detector are connected with PLC signal input part, and PLC is to receiving
Signal transacting after be sent to the de- magnetic coil driver for being connected to its signal output part, the concussion of the de- magnetic coil driver of control
Loop failure of oscillation, starting of oscillation, and export open and close signal, so that worked when controlling demagnetizer to have ore pulp in ore pulp mozzle, no ore pulp
When close.On the other hand, the temperature upper limit of demagnetizer operation is provided with PLC, is passed when PLC detects temperature
When the temperature that sensor is detected in real time is higher than higher limit, then demagnetizer working condition is adjusted, such as adjust power frequency, the de- magnetic of protection
Device normal work.
The beneficial effects of the utility model are：（1）High efficiency smart demagnetizer of the present utility model is formed based on PLC
Automatical and efficient control is may be programmed, the centralised or decentralised control of many high efficiency smart demagnetizers is conveniently expanded to；By setting temperature
Sensor and ore pulp detector, whether there is and take off magnetic coil temperature according to ore pulp by PLC, adaptive, full-automatic adjustment
The power on/off and power frequency size of de- magnetic coil；（2）It effectively prevent damage caused by de- too high, dry combustion method of magnetic coil temperature etc.
It is bad, extend the service life of de- magnetic coil and demagnetizer；（3）In further improved scheme, there is provided choked flow component, is carried
High de- magnetic efficiency；Heat dissipation channel or air cooling equipment are set, de- magnetic coil working condition and environment is further optimized, it is ensured that
De- magnetic effect and service life of a machine, while adapting to the adverse circumstances such as high temperature；The setting of touch-screen, facilitates man-machine interaction, improves
Artificial control efficiency.
Brief description of the drawings
Fig. 1 is high efficiency smart demagnetizer of the present utility model and the structural representation of control system；
Fig. 2 is the end face structure schematic diagram of high efficiency smart demagnetizer；
In figure, 1, PLC, 2, de- magnetic coil, 3, de- magnetic coil driver, 4, temperature sensor, 5, ore pulp detection
Device, 6, ore pulp mozzle, 7, cast housing, 8, connecting rod, 9 flanges.
Embodiment
Describe the high efficiency smart demagnetizer in the utility model in detail with specific embodiment below, but do not limit in any form
The utility model processed, it is any slightly to improve or replace on the architecture basics that the utility model is mentioned, of the present utility model
In protection domain.
Embodiment 1
The present embodiment provides a kind of high efficiency smart demagnetizer with overtemperature protection, including ore pulp mozzle 6 be wrapped in
De- magnetic coil 2 on ore pulp mozzle 6, in addition to PLC 1, the temperature sensor for detecting each temperature of de- magnetic coil 2
4th, for detecting there there is ore pulp in ore pulp mozzle 6, the ore pulp detector 5 of nothing and be connected with the signal output part of PLC 1 it is de-
Magnetic coil driver 3, other ordinary elements such as detect the current sensor of the de- size of current of magnetic coil 2, and here is omitted,
But it is provided with this demagnetizer.The temperature sensor 4, ore pulp detector 5 and the signal input part of PLC 1 connect
Connect, the de- magnetic coil driver 3 of control, de- magnetic coil 2 form closed-loop control by electric current.The signal of PLC 1 input
End is connected with touch-screen.
Above-mentioned high efficiency smart demagnetizer structure includes ore pulp mozzle 6 and the de- magnet-wire being wrapped on ore pulp mozzle 6
Circle 2, ore pulp material is flowed through from ore pulp mozzle 6, and magnetic is taken off by the LC oscillating circuits in de- magnetic coil 2.The pass of the technical program
Key design is also to have added PLC 1 as coordinated control system, and the signal input part of PLC 1 is connected with temperature
Sensor 4, ore pulp detector 5 and touch-screen, the de- magnetic coil driver 3 of signal output part connection and alarm dress of PLC 1
Put, temperature sensor 4 is used for the operating temperature for gathering de- magnetic coil 2, ore pulp detector 5 is used to gather ore deposit in ore pulp mozzle 6
Slurry be with or without state-detection；Touch-screen selects HMI（Man-machine interface）Touch-screen, being connected with PLC 1 realizes human body
Dialogue, the circuit structure of the de- magnetic coil driver 3 includes taking off magnetic coil driver 3 in LC concussions loop, the present embodiment
The circuit structure LC that includes two-way IGBT or SCR control loop and be connected respectively with IGBT or SCR control loops shake back
Road, i.e., IGBT or SCR control loops are connected with charging capacitor all the way, another road IGBT or SCR control loops and LC discharge circuits
Connection, de- magnetic coil driver 3 is used to switch over regulation to the break-make of output current, size and concussion loop；PLC
1 output point carries pulse width modulation（PWM）For controlling two-way IGBT or SCR a shake in de- magnetic coil driver 3, stopping
Shake, realizes the charge and discharge control for shaking LC loop, concussion frequency can be set by touch-screen HMI, by switching different LC
Shake loop and realize the change to the power frequency by taking off magnetic coil 2.
This demagnetizer can use many high efficiency smart demagnetizers of a centralized Control of PLC 1 in specific works,
It can also be networked by network and central control room, realize remote monitoring, by " on the spot/long-range " operation handoff functionality of setting,
Realize on the spot or long-range Automatic Control.
Before use, high efficiency smart demagnetizer needs band ore pulp debugging before putting into operation, by the de- magnetic effect of monitoring adjust de- magnet rate,
De- magnetoelectricity stream, design temperature high alarm setting.Then when in use, the temperature alarming upper limit is set by touch-screen, passed by temperature
The temperature and ore pulp state of the de- magnetic coil 2 of sensor 4, ore pulp detector 5 collection in real time, and above-mentioned I/O signals are transmitted to PLC
Controller 1, PLC 1 is received after signal, the supply voltage of the de- magnetic coil driver 3 of output analog signal control, start or
Stop concussion loop, so as to control de- magnetic coil 2 to work or stop, when on the temperature alarming that comparison real time temperature reaches setting
Limit, starts warning device and is alarmed；When ore pulp detector 5 detect no ore pulp by when, then it is defeated to de- magnetic coil driver 3
Go out to close the signal in concussion loop, the de- magnetic coil driver 3 of control is powered off, and now, takes off no current, magnetic field intensity in magnetic coil 2
It is zero, is easy to reduction heat and temperature, protection device extends machine service life.
The ore pulp detector 5 is arranged on the tube wall of ore pulp mozzle 6, by its working face and ore pulp mozzle 6
The capacitance size of ore pulp formation exports open and close signal through processing of circuit to de- magnetic coil driver 3, and the de- magnetic coil 2 of control works
Or stop.
Ore pulp detector 5 is positioned on the tube wall of ore pulp mozzle 6, and the working face of ore pulp detector 5 is towards ore pulp mozzle 6
Ore pulp in center, with ore pulp mozzle 6 constitutes an electric capacity, capacitance size can with having in ore pulp mozzle 6, the state without ore pulp
Have greatly changed, the change of capacitance size is after supporting processing of circuit, by PLC to de- magnetic coil driver
The open and close signal in 3 output concussion loops, makes the concussion loop failure of oscillation in de- magnetic coil driver 3 or starting of oscillation, so as to control to take off
Magnetic coil 2 works or stopped, and forms demagnetizer when having ore pulp in ore pulp mozzle 6 and works, is stopped during no ore pulp.Avoid
Demagnetizer dry combustion method, effectively protects demagnetizer during without ore pulp.
The de- magnetic coil 2, temperature sensor 4 are with ore pulp mozzle 6 by insulating cement, the epoxy of such as excellent electric properties
Resin-cast is integral, referring to Fig. 1, and cast housing 7 is formed after cast, high-temperature process can be carried out to the cast housing 7 after cast,
Integral heat sink effect, waterproof ability are greatly enhanced after processing, and cast make it that de- magnetic coil 2 and temperature sensor 4 are integrated poured close
It is encapsulated in the cast housing 7, mechanical strength is significantly lifted.
Further, the radiating effect of magnetic coil 2 is taken off after cast to ensure and improving, in the cast housing 7, de- magnetic
The inner side of coil 2 and/or the outside of ore pulp mozzle 6 are provided with the heat dissipation channel communicated with external environment condition, and such as labyrinth passage, rectangle lead to
Road, hole path etc..
Also include the reinforced frame made of metal material in the demagnetizer structure, for demagnetizer to be connected to ore pulp
Strengthen the measure of demagnetizer intensity in transfer pipeline without taking in addition, reinforced frame includes flange 9 and connecting rod 8, joins
See Fig. 1.
Embodiment 2
In this implementation, it is provided with flows to choked flow for disturbing ore pulp as different from Example 1, in the ore pulp mozzle 6
Component.Set choked flow component can effectively change tiny magnetic particle shape in ore pulp into small magnetic domain arrangement and direction, be conducive to significantly
Improve de- magnetic efficiency.The positioning method of choked flow component can be positioned on the inwall of ore pulp mozzle 6 or by same with ore pulp mozzle 6
The axis positioning of axle.It can be also further connected with the signal output part of PLC 1 and be easy to adjust control, form dynamic flow-disturbing.
Described choked flow component can be swirler, pass through purchase or designed, designed；
In the present embodiment, choked flow modular construction includes the axis being coaxially disposed with ore pulp mozzle 6 and circumferential along axis
Be interrupted positioning rotating vortex pipe, the concrete structure of rotating vortex pipe be circumferentially spiraled along axis be wound spiral stream guidance lead to
Road, to ensure that all ore pulps are all helical flow, rotating vortex pipe full of axis and the space along the inwall of ore pulp mozzle 6,
Can be in the same direction wound by many pipes, ore pulp flows along ore pulp mozzle 6, often by during rotating vortex pipe along along rotating vortex pipe
Curvilinear flow is changed into duct direction, and magnetic domain direction changes, and the two neighboring rotating vortex pipe vortex is in opposite direction, i.e.,
Two neighboring rotating vortex pipe vortex water conservancy diversion direction is respectively clockwise, alternate counterclockwise sets so that tiny magnetic particle shape into
Small magnetic domain direction changes repeatedly, so as to consume magnetic field energy, improves de- magnetic efficiency.
Embodiment 3
As different from Example 1, it is the further waterproof and dustproof function of improving demagnetizer, while ensure radiating effect,
Also including the protection on spacing setting ore pulp mozzle 6, positioned at the de- outside of magnetic coil 2 in the structure of the high efficiency smart demagnetizer
Cover, the coaming plate of protective cover top half is common plate, and without hole, waterproof, dust protection landing adapt to rainy day, the de- magnetic coil of protection
2, protective cover the latter half uses hollowed-out board, it is ensured that radiating effect.
Embodiment 4
Also include the air cooling equipment being connected with the signal output part of PLC 1 in the structure of the high efficiency smart demagnetizer,
Air cooling equipment can use cooling blower, and the temperature for starting cooling blower is set by touch-screen, the temperature gathered when temperature sensor 4
When degree reaches design temperature, the control cooling blower of PLC 1 starts, and is conducive to improving de- magnetic efficiency, the de- magnetic coil 2 of reduction
Temperature, beneficial to machine run well, extend machine service life.
There is overtemperature protection by the above-mentioned new high efficiency smart demagnetizer based on PLC controls, dry combustion method function is avoided, it is real
Operating current break-make, de- magnet rate, the automatic synchronization of field strength and operating temperature, Self Adaptive Control are showed, running parameter is basis
Ore properties, the automatic change of ore deposit amount change, it is ensured that de- magnetic effect, while make demagnetizer keep optimum state to work automatically, intelligence
Adapt to the adverse circumstances such as rainwater, dust and high temperature, long-term automatic running.
Claims (9)
1. a kind of new high efficiency smart demagnetizer, including ore pulp mozzle（6）Be wrapped in ore pulp mozzle（6）On de- magnetic
Coil（2）, it is characterised in that also including PLC（1）, for detecting each de- magnetic coil（2）The temperature sensor of temperature
（4）, for detecting ore pulp mozzle（6）Inside whether there is the ore pulp detector of ore pulp（5）And and PLC（1）Signal output part
The de- magnetic coil driver of connection（3）, the temperature sensor（4）, ore pulp detector（5）With PLC（1）Signal it is defeated
Enter end connection, the de- magnetic coil driver of control（3）And de- magnetic coil（2）Closed-loop control is formed by electric current.
2. high efficiency smart demagnetizer according to claim 1, it is characterised in that the ore pulp detector（5）It is arranged on ore deposit
Starch mozzle（6）Tube wall on, by its working face and ore pulp mozzle（6）The capacitance size of middle ore pulp formation is through processing of circuit
To de- magnetic coil driver（3）Export open and close signal, the de- magnetic coil work of control or stopping.
3. high efficiency smart demagnetizer according to claim 1, it is characterised in that the de- magnetic coil（2）, temperature sensor
（4）With ore pulp mozzle（6）Poured into an integrated entity by insulating cement and form cast housing（7）.
4. high efficiency smart demagnetizer according to claim 3, it is characterised in that the cast housing（7）The de- magnet-wire in inherence
Circle（2）Inner side and/or ore pulp mozzle（6）Outside is provided with the heat dissipation channel communicated with external environment condition.
5. high efficiency smart demagnetizer according to claim 1, it is characterised in that also include strengthening in the demagnetizer structure
Framework, reinforced frame includes flange（9）And connecting rod（8）.
6. high efficiency smart demagnetizer according to claim 1, it is characterised in that the PLC（1）Signal input part
It is connected with touch-screen.
7. high efficiency smart demagnetizer according to claim 1, it is characterised in that the ore pulp mozzle（6）Interior be provided with is used
Choked flow component is flowed in disturbance ore pulp.
8. high efficiency smart demagnetizer according to claim 7, it is characterised in that the choked flow component is swirler or choked flow group
Part structure includes and ore pulp mozzle（6）The axis being coaxially disposed and the rotating vortex pipe positioned along axis circumferential intermittent.
9. high efficiency smart demagnetizer according to claim 1, it is characterised in that in the structure of the high efficiency smart demagnetizer
Also include and PLC（1）The air cooling equipment of signal output part connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720338487.3U CN206574565U (en) | 2017-04-01 | 2017-04-01 | A kind of new high efficiency smart demagnetizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720338487.3U CN206574565U (en) | 2017-04-01 | 2017-04-01 | A kind of new high efficiency smart demagnetizer |
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| Publication Number | Publication Date |
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| CN206574565U true CN206574565U (en) | 2017-10-20 |
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| CN201720338487.3U Active CN206574565U (en) | 2017-04-01 | 2017-04-01 | A kind of new high efficiency smart demagnetizer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109569857A (en) * | 2018-11-23 | 2019-04-05 | 鞍钢集团矿业有限公司 | A kind of the magnetic field impulse pretreatment unit and method of continuous-stable |
| CN113990600A (en) * | 2021-10-21 | 2022-01-28 | 纪礽辉 | Demagnetizing process and demagnetizer |
-
2017
- 2017-04-01 CN CN201720338487.3U patent/CN206574565U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109569857A (en) * | 2018-11-23 | 2019-04-05 | 鞍钢集团矿业有限公司 | A kind of the magnetic field impulse pretreatment unit and method of continuous-stable |
| CN113990600A (en) * | 2021-10-21 | 2022-01-28 | 纪礽辉 | Demagnetizing process and demagnetizer |
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