CN207515557U - Wind curtain type permanent magnetism agitating apparatus - Google Patents
Wind curtain type permanent magnetism agitating apparatus Download PDFInfo
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- CN207515557U CN207515557U CN201721558980.2U CN201721558980U CN207515557U CN 207515557 U CN207515557 U CN 207515557U CN 201721558980 U CN201721558980 U CN 201721558980U CN 207515557 U CN207515557 U CN 207515557U
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- magnetic disk
- protective cover
- permanent magnetic
- stirring
- turntable
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Abstract
The utility model discloses a kind of wind curtain type permanent magnetism agitating apparatus, including rack, permanent magnetic disk, turntable, center vertical pivot, stirring retarder and stirring motor, permanent magnetic disk is fixed on turntable, turntable is mounted on the vertical pivot of center, center vertical pivot, stirring retarder and stirring motor are mounted in rack, and stirring motor drives center vertical axis by stirring retarder, and center vertical pivot drives turntable rotation, permanent magnetic disk follows turntable to rotate, and permanent magnetic disk is stirred the molten aluminum in the molten aluminum smelting furnace of top；Further include protective cover, cooling blower and air hose, the side wall of protective cover is equipped with air inlet, during stirring, the wind of cooling blower blowout, successively through air hose and air inlet, into protective cover, wind forms air curtain together from during the upper port discharge of protective cover between the furnace bottom of protective cover and molten aluminum smelting furnace.After forming one of air curtain, heat radiation of the molten aluminum furnace hearth to permanent magnetic disk is greatly reduced, ensure that permanent magnetic disk can normally work.
Description
Technical field
The utility model is related to a kind of agitating devices of molten non-ferrous metal.
Background technology
Non-ferrous metal is in semisolid melt process, and in order to reach the uniformity of melt, usual agitating procedure is required, mesh
Preceding common stirring means mainly have mechanical agitation, electromagnetic agitation and permanent magnetic stirring method etc..Mechanical agitation is that a kind of contact is stirred
The shortcomings of mixing, slurry is easily made to generate oxidation and volume gas reduces the quality of melt；Electromagnetic agitation is after being powered with special coil
Generated rotating excitation field makes molten metal generate flowing in mash vessel, is contactless stirring, and slurry quality is preferable, but
There are high energy consumption, operating cost is big, complicated the shortcomings that.
To solve the above-mentioned problems, State Intellectual Property Office disclosed Publication No. on December 31st, 2012
CN203037096U, patent name are a kind of patent of aluminum melting furnace contactless stirring device, it includes, and including furnace body and sets
Put the permanent magnetism agitating apparatus below furnace body, the furnace body includes furnace chamber, furnace roof and exhaust outlet, and the furnace chamber is connected shape with furnace roof
Into a cavity, the exhaust outlet is arranged on furnace roof, and is communicated with cavity, and the permanent magnetism agitating apparatus bottom is equipped with supporting rack,
Support frame as described above bottom is equipped with pulley.
There are following defects for above-mentioned patent:First, the height of permanent magnetic disk cannot be adjusted, it is not only inconvenient to use, but also stir
Effect is not satisfactory；Second is that refrigeration effect is bad, use for a long time, easily burn out permanent magnetic disk.
In addition, although being additionally arranged air cooling system in the prior art, since air cooling system arrangement is unreasonable, therefore cause big
The energy loss of amount does not meet energy-saving and environment-friendly requirement.
Utility model content
In order to overcome above-mentioned deficiency, the purpose of this utility model is to provide one kind to greatly reduce molten aluminum furnace hearth
The wind curtain type permanent magnetism agitating apparatus of heat radiation.
In order to solve the above technical problems, technical solution is used by the utility model：
Wind curtain type permanent magnetism agitating apparatus, including rack, permanent magnetic disk, turntable, center vertical pivot, stirring retarder and stirring electricity
Machine, permanent magnetic disk are fixed on turntable, and turntable is mounted on the vertical pivot of center, center vertical pivot, stirring retarder and stirring motor installation
In rack, stirring motor by stir retarder drive center vertical axis, center vertical pivot drive turntable rotation, permanent magnetic disk with
It is rotated with turntable, permanent magnetic disk is stirred the molten aluminum in the molten aluminum smelting furnace of top；Protective cover is fixed in the rack, is protected
Cover covers permanent magnetic disk and turntable, further includes cooling blower and air hose, the upper port of the protective cover is air outlet, protective cover
Side wall is equipped with air inlet, during stirring, the wind of cooling blower blowout, successively through air hose and air inlet, into protective cover, wind from
During the upper port discharge of protective cover, air curtain together is formed between the furnace bottom of protective cover and molten aluminum smelting furnace.
Further, frequency converter is installed, stirring motor uses servo motor, can not only be positive and negative on the stirring motor
Turn, moreover it is possible to which speed adjusting is carried out to stirring motor by frequency converter.
Further, temperature controller and temperature sensor are further included, the temperature sensor is located on permanent magnetic disk, temperature sensing
Device sends temperature information to temperature controller, and temperature controller carries out switch control to cooling blower.
Further, there are two the temperature sensor is set, two temperature sensors are electrically connected respectively with temperature controller.Using
The structure type of two-way temperature sensor, after a temperature sensor damage, another temperature sensor can also be believed into trip temperature
The transmission of breath, substantially increases safety coefficient.
Further, the temperature controller is electrically connected with audible-visual annunciator, when the temperature of permanent magnetic disk exceeds 65 DEG C, beginning sound
Light is alarmed, permanent magnetic disk demagnetization to be prevented to be damaged.
The beneficial effects of the utility model are：
Due to the structure type using above-mentioned permanent magnetic stirring, metal smelt is realized with mechanically operated mode contactless
Stirring can fully mix well alloy composition, reduce scaling loss, when having a small amount of aluminium water in molten aluminum smelting furnace, can continuously stir, make aluminium
Liquid washes away the aluminium block melted, so as to accelerate burn-off rate, and can eliminate upper and lower temperature difference in stove, be effectively improved from burner hearth to
The temperature of combustion chamber is greatly lowered in the heat-transfer effect in molten bath, so as to reduce the formation of weld pool surface overheat and oxidizing slag, so as to
Energy consumption is reduced, there is energy conservation and environmental protection；
Since permanent magnetic disk is located at the lower section of molten aluminum smelting furnace, the mixing power of molten bath lower part is larger, top obtain mixing power compared with
It is small, the oxidation film of weld pool surface is caused to be not easy to be destroyed, reduces melt scaling loss, air-breathing, so as to obtain the melt of high quality；
Air outlet is set as due to being additionally arranged cooling blower, and by the upper port of protective cover, into the wind in protective cover from anti-
During the upper port discharge of shield, air curtain together is formed between the furnace bottom of protective cover and molten aluminum smelting furnace, molten aluminum is greatly reduced and melts
Heat radiation of the stove furnace bottom to permanent magnetic disk ensure that permanent magnetic disk can normally work.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description：
Fig. 1 is the structure diagram of the utility model.
In figure：1st, rack；2nd, permanent magnetic disk；3rd, turntable；4th, center vertical pivot；5th, retarder is stirred；6th, stirring motor；7th, frequency conversion
Device；8th, molten aluminum smelting furnace；9th, pedestal；10th, lead；11st, screw lift；12nd, lifting motor；13rd, uplink limit switch；14、
Downlink limit switch；15th, driving motor；16th, idler wheel；17th, protective cover；18th, stainless (steel) wire；19th, cooling blower；20th, air hose；
21st, air inlet；22nd, temperature controller；23rd, temperature sensor；24th, temperature sensor；25th, audible-visual annunciator.
Specific embodiment
As shown in Figure 1, wind curtain type permanent magnetism agitating apparatus, subtracts including rack 1, permanent magnetic disk 2, turntable 3, center vertical pivot 4, stirring
Fast device 5 and stirring motor 6, are equipped with frequency converter 7 on the stirring motor 6, frequency converter 7 using Mitsubishi Corporation of Japan FR-
A700 series, stirring motor 6 use servo motor, can not only rotating, moreover it is possible to carry out speed to stirring motor by frequency converter
It adjusts, the rotating speed general control of stirring motor 6 is advisable at 35-55 revs/min, and during startup, the acceleration time can be controlled in 1-5 points
Within clock.Permanent magnetic disk 2 is fixed on turntable 3, and turntable 3 is mounted on center vertical pivot 4, and center vertical pivot 4 stirs retarder 5 and stirs
Motor 6 is mixed in rack 1, stirring motor 6 drives center vertical pivot 4 to rotate by stirring retarder 5, and center vertical pivot 4 drives
Turntable 3 rotates, and permanent magnetic disk 2 follows turntable 3 to rotate, and permanent magnetic disk 2 is stirred the molten aluminum in the molten aluminum smelting furnace 8 of top.
Pedestal 9, lead 10, screw lift 11 and lifting motor 12 are further included, rack 1 is interspersed on lead 10,
Lead 10 is fixed on pedestal 9, and lifting motor 12 drives screw lift 11 by transmission mechanism, and screw lift 11 drives
Rack 1 is lifted along lead 10.The lead 10 is equipped with 13 He of uplink limit switch to control lifting motor 12
Downlink limit switch 14, the pedestal 9 are equipped with driving motor 15 and idler wheel 16, and driving motor 15 is driven by transmission mechanism and rolled
Wheel 16, moves pedestal 9.
In addition, lead 10 is equipped with step, downlink limit switch 14 is located at step, when in off working state,
Rack 1 is supported on step, and screw lift 11 is not subjected to the gravity of rack, to extend the use longevity of screw lift 11
Life.
Protective cover 17 is fixed in the rack 1, protective cover 17 covers permanent magnetic disk 2 and turntable 3, the protective cover 17
Stainless (steel) wire 18 is equipped at upper port.
Further include cooling blower 19 and air hose 20, the upper port of the protective cover 17 is air outlet, on the side wall of protective cover
Equipped with air inlet 21, during stirring, wind that cooling blower 19 is blown out, successively through air hose 20 and air inlet 21, into protective cover 17,
Wind forms air curtain together from during the upper port discharge of protective cover 17 between the furnace bottom of protective cover 17 and molten aluminum smelting furnace 8.
Further include temperature controller 22, temperature sensor 23 and temperature sensor 24, temperature sensor 23 and temperature sensor 24
It is located on permanent magnetic disk 2, temperature sensor 23 and temperature sensor 24 send temperature information to temperature controller 22, and temperature controller 22 is to cold
But wind turbine 19 carries out switch control, and when temperature is higher than 50 DEG C, cooling blower 19 is activated, when temperature is less than 40 DEG C, cooling
Wind turbine 19 is closed.Temperature sensor 23 and temperature sensor 24 are electrically connected respectively with temperature controller.Using two-way temperature sensor
Structure type, after the damage of temperature sensor, another temperature sensor can also carry out the transmission of temperature information, carry significantly
High safety coefficient.
The temperature controller 22 is electrically connected with audible-visual annunciator 25, when the temperature of permanent magnetic disk 2 exceeds 65 DEG C, starts acousto-optic report
It is alert, permanent magnetic disk demagnetization to be prevented to be damaged.
Operation principle:For this patent such as the motor of magnetic field of permanent magnet, permanent magnetic disk is equivalent to the stator of motor, there is coloured gold
Belong to the rotor that melt is equivalent to motor, permanent magnetic disk is produced by machinery rotation mode, magnetic field with molten non-ferrous metal interaction
Raw induced potential and induced current, induced current is again and magnetic fields generate electromagnetic force, so as to which melt be pushed to make displacement, from
And play the role of stirring.
Claims (5)
1. a kind of wind curtain type permanent magnetism agitating apparatus, it is characterised in that：Subtract including rack, permanent magnetic disk, turntable, center vertical pivot, stirring
Fast device and stirring motor, permanent magnetic disk are fixed on turntable, turntable be mounted on center vertical pivot on, center vertical pivot, stirring retarder and
Stirring motor is mounted in rack, and stirring motor drives center vertical axis by stirring retarder, and center vertical pivot drives turntable
Rotation, permanent magnetic disk follow turntable to rotate, and permanent magnetic disk is stirred the molten aluminum in the molten aluminum smelting furnace of top；It is fixed in the rack
There is protective cover, protective cover covers permanent magnetic disk and turntable, further includes cooling blower and air hose, and the upper port of the protective cover is
Air port, the side wall of protective cover are equipped with air inlet, and during stirring, the wind of cooling blower blowout successively through air hose and air inlet, enters
In protective cover, wind forms air curtain together from during the upper port discharge of protective cover between the furnace bottom of protective cover and molten aluminum smelting furnace.
2. wind curtain type permanent magnetism agitating apparatus according to claim 1, it is characterised in that：Change is installed on the stirring motor
Frequency device, stirring motor use servo motor.
3. wind curtain type permanent magnetism agitating apparatus according to claim 1, it is characterised in that：Further include temperature controller and temperature sensing
Device, the temperature sensor are located on permanent magnetic disk, and temperature sensor sends temperature information to temperature controller, and temperature controller is to cooling wind
Machine carries out switch control.
4. wind curtain type permanent magnetism agitating apparatus according to claim 3, it is characterised in that：The temperature sensor is equipped with two
A, two temperature sensors are electrically connected respectively with temperature controller.
5. wind curtain type permanent magnetism agitating apparatus according to claim 3, it is characterised in that：The temperature controller is electrically connected with acousto-optic
Alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721558980.2U CN207515557U (en) | 2017-11-21 | 2017-11-21 | Wind curtain type permanent magnetism agitating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721558980.2U CN207515557U (en) | 2017-11-21 | 2017-11-21 | Wind curtain type permanent magnetism agitating apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207515557U true CN207515557U (en) | 2018-06-19 |
Family
ID=62539366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721558980.2U Active CN207515557U (en) | 2017-11-21 | 2017-11-21 | Wind curtain type permanent magnetism agitating apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207515557U (en) |
-
2017
- 2017-11-21 CN CN201721558980.2U patent/CN207515557U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Air curtain formula permanent magnetism agitating unit Effective date of registration: 20181031 Granted publication date: 20180619 Pledgee: Industrial Commercial Bank of China Ltd Guangzhou Xintang branch Pledgor: Guangzhou Lizhong Jinshan Alloy Co., Ltd. Registration number: 2018440000300 |