CN206692709U - A kind of Powder Diffusion continuously prepares the device of high-silicon steel thin strip - Google Patents
A kind of Powder Diffusion continuously prepares the device of high-silicon steel thin strip Download PDFInfo
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- CN206692709U CN206692709U CN201720473270.3U CN201720473270U CN206692709U CN 206692709 U CN206692709 U CN 206692709U CN 201720473270 U CN201720473270 U CN 201720473270U CN 206692709 U CN206692709 U CN 206692709U
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Abstract
The utility model discloses the device that a kind of Powder Diffusion continuously prepares high-silicon steel thin strip, including the processing line being made up of steel belt conveyer one (4), conveyer (19) and steel belt conveyer two (27), compressed air shotblasting machine (3) is provided with the front of steel belt conveyer one (4), the front of compressed air shotblasting machine (3) is provided with low-silicon steel wind mechanism (1)；Two cathode pinch-rollers (5,15) are provided between steel belt conveyer one (4) and conveyer (19), powder diffusion furnace (10) is provided between two cathode pinch-rollers (5,15)；A heat-treatment furnace (24) is provided between conveyer (19) and steel belt conveyer two (27)；High-silicon steel wind mechanism (28) is provided with steel belt conveyer two (27) rear.The utility model is simple to operate, and low temperature increases silicon operation, and cost is cheap, and can continuously prepare the high silicon steel band of large-sized near-net-shape.
Description
Technical field
The device that high silicon steel thin belt is continuously prepared under a kind of magnetic field is the utility model is related to, belongs to magnetic material and prepares, be hot
Processing technology field.
Background technology
Silicon steel thin belt is a kind of very important soft magnetic materials, is widely used in electric power, electrical equipment and national defense and military industry
Deng in field.After silicone content increases to 6.5wt% in silicon steel thin belt, the magnetostriction of silicon steel levels off to zero, comprehensive magnetic energy
Reach optimal, be the preferable soft magnetic materials of high-gradient magnetism element.But after silicone content is more than 4wt%, with silicone content
Increase, fragility dramatically increases, and after silicone content increases to 5wt%, the elongation percentage of silicon steel is almost reduced to zero.Therefore, it is difficult to
High-silicon steel thin strip is prepared using traditional rolling and punch process method.
So far, countries in the world researcher has been carried out largely to the preparation method of 6.5wt%Si high-silicon steel thin strips
Research, and a variety of preparation technologies are proposed, such as laser cladding spraying process, powqder rolling process, fused salt electrodeposition process, CVD, PCVD
Method, multiple tracks rolling, composite electrodeposition-diffusion method etc..The chemical vapour deposition technique of the NKK companies exploitation of Japan is CVD at present
The 6.5wt%Si silicon steel thin belts of method production possess good magnetic property, and carry out industrialized production on a small scale, but presence pair is set
It is standby require high, flowing molten iron lose serious, depositing temperature is high, energy consumption is big, surface of silicon steel is of poor quality, pollution environment, the shortcomings of cost is high, limit
Its further large-scale production is made.When preparing high-silicon steel thin strip using composite plating heat treating process, because liberation of hydrogen is made
Separated with low-silicon steel strip is easily caused with high silicon cladding, meanwhile, during follow-up homogenization heat treatment, element silicon and iron
The diffusive separation of low-silicon steel and high silicon content coating is easily caused after formation iron silicon phase, hinders the diffusion of element silicon.In addition,
Homogenize in heat treatment process, the diffusion velocity of element silicon is very slow.And controllability, cost of the above-mentioned other method in production technology
And environmental protection etc. still needs further to be improved.Therefore, the high-silicon steel preparation method for developing Cheap highly effective is still urgently
The key issue of solution.
Utility model content
The purpose of this utility model is to be directed to defects in the prior art, there is provided a kind of Powder Diffusion is continuously prepared
The device of high-silicon steel thin strip, long size, continuous operation are realized, and the strip of near-net-shape can be prepared, therefore significantly dropped
Low preparation cost.
To reach above-mentioned purpose, design of the present utility model is：It is made up of in powder diffusion preparation process ferro-silicium powder,
The high silicon content coating that last layer silicone content is 6.5~14wt% is prepared on low-silicon steel strip, if during using pure silicon powder, high silicon
In coating silicone content be very easy to is higher than 14wt%, iron silicon phase is easily formed in subsequent heat treatment, easily with low-silicon steel matrix
Separation.Meanwhile when preparing high silicon content coating, if spread using traditional powder, the diffusion velocity of element silicon is very slow, in order to
Accelerate element silicon to accelerate to spread towards in low-silicon steel strip matrix, carry out intensive treatment, implantation one to low-silicon steel strip surface first
Fixed residual stress, element silicon is towards spreading in low-silicon steel strip when can be spread with powder quick.Meanwhile in order to further speed up silicon
Element is spread into low-silicon steel strip matrix, and electric field and magnetic field are applied with powder diffusion process.In addition, powder diffusion and
The diffusion of element silicon can not only be promoted by applying magnetic field in heat treatment process, while silicon steel can also be promoted to form (110) [001]
Texture, it is obviously improved the soft magnet performance of silicon steel thin belt.Therefore, the utility model proposes before powder diffusion is for high silicon content coating, adopt
Handled with such as rolling, laser pulse, shot-peening etc., be implanted into certain residual stress, promote the diffusion process of follow-up element silicon.In powder
Last diffusion applies a constant external magnetic field (0.001~20 tesla (T)), then powder in high silicon content coating and subsequent process
In last diffusion process, it is 1~2000A/dm to be also applied with current density2Electric-field intensity.In powder diffusion process, one is prepared
The high silicon content coating that layer silicone content is 6.5~14wt%, the silicon source of abundance, therefore, final heat treatment are provided for follow-up heat treatment
Silicon steel sheet in silicone content be up to 6.5wt% optimum value.
Based on above-mentioned design, method that a kind of Powder Diffusion of the present utility model continuously prepares high-silicon steel thin strip is
Low-silicon steel strip is handled using surface intensified technique, then passes to and prepares floor height silicon painting in high Si powder on low-silicon steel strip
Layer, while in powder diffusion process, apply magnetic field and electric field, the silicon steel thin belt after high silicon content coating is obtained again by hot under magnetic field
Processing, and then obtain the high-silicon steel thin strip of the 6.5wt%Si with excellent soft magnet performance.
Wherein, the surface intensified technique includes one of rolling, laser pulse or shot-peening or mixing.The high Si powder
Composition is：Straight iron powder accounts for gross weight and accounts for total emphasis than 0.1~50%, 3~6.5wt%S of silicone content than 0.1~20%, pure silicon powder
Ferro-silicium account for gross weight than the ferro-silicium of 0.1~20%, 6.5~14wt%S of silicone content account for total emphasis than 0.1~
95%th, 14~99wt%S of silicone content ferro-silicium account for gross weight than 0.1~60%, alumina powder account for gross weight than 0.1~
50%.The electric field power supply of application is the dc source of constant amplitude, or is the pulse power of dutycycle and frequency-adjustable, either
Dutycycle, frequency and cycle can be reverse dc source.
Specifically, this method comprises the following steps：
The preparation of step 1. Antaciron particle：The straight iron powder of different proportion and pure silicon powder are well mixed, then in height
Melting forms Antaciron under vacuum high-temperature, then by obtained alloy using vacuum arc atomization or the method for planetary ball mill
It is milled into 0.1~500 μm of powder；
Step 2. surface Hardening Treatment：Surface Hardening Treatment is carried out to low-silicon steel strip surface, being implanted into certain remnants should
Power；
The preparation of the high silicon layer of step 3.：The powder containing element silicon obtained in step 1 is added in powder diffusion furnace,
A floor height silicon coating is made on low-silicon steel strip surface, applies electric field and magnetic field in preparation process；It is put into after drying and drying
With inert gas, or it is reducing gas or is inert gas and is carried out in the tubular electric furnace of reducing gas mixing gas shielded continuous
DIFFUSION TREATMENT is heat-treated, it is 6.5Wt% and the orientation or non-oriented silicon steel sheet that are evenly distributed to obtain average silicone content；
Low-silicon steel strip negative electrode is continuously passed into powder diffusion furnace by step 4., and per 0.2-2h, movement once obtains high
Silicon layer silicon steel thin belt；By controlling low-silicon steel strip tape transport frequency, powder silicone content or magnetic field intensity to control in high silicon content coating
Silicone content, to prepare high-silicon steel thin strip；Silicon strip takes the mode for unreeling and winding, and realizes the system of coiled high silicon steel thin belt
It is standby；
Step 5. homogenizes diffusion annealing：The average silicone content that above-mentioned steps are obtained is 6.5Wt% high silicon content coating steel
Band, band inert gas is put into after drying and drying, or is reducing gas or is inert gas and reducing gas mixing gas shielded
Tubular electric furnace in carry out continuous heat DIFFUSION TREATMENT, obtain average silicone content be 6.5Wt% and the orientation that is evenly distributed or
Non-oriented silicon steel sheet.
Wherein, in the mixed powder after straight iron powder and pure silicon powder are well mixed in step 1 silicone content control 2.5wt%Si~
99%wt%Si scopes；High temperature described in step 1 refers to 1400~1600 DEG C of temperature ranges.
The current density 1-2000A/dm2 applied in step 3, the magnetic field intensity of application is 0.001~20T.
At 800-1300 DEG C, heat treatment time is 0.1-10 hours for heat treatment temperature control in diffusion furnace in step 4；Step
At 800-1300 DEG C, heat treatment time is 0.1-10 hours for heat treatment temperature control in 5.
To realize the above method, the utility model continuously prepares high-silicon steel thin strip using such a Powder Diffusion
Device, the device includes the processing line being made up of steel belt conveyer one, conveyer and steel belt conveyer two, in steel
Front with conveying device one is provided with compressed air shotblasting machine, and the front of compressed air shotblasting machine is provided with low-silicon steel wind mechanism；Steel belt conveyer one
Two cathode pinch-rollers are provided between conveyer, are provided with powder diffusion furnace between two cathode pinch-rollers, above and below powder diffusion furnace
Two sides is sequentially provided with heater one, heat-insulating material one, water cooling plant one and Stationary Magnetic Field Generator for Magnetic one from inside to outside；Powder expands
Dissipate in stove and be provided with Anodic, lower anode and thermocouple one；Temperature controller one and dc source are provided with below powder diffusion furnace；Passing
Send and a heat-treatment furnace is provided between device and steel belt conveyer two, heat-treatment furnace upper and lower surface is sequentially provided with from inside to outside to be added
Thermal two, heat-insulating material two, water cooling plant two and Stationary Magnetic Field Generator for Magnetic two, are provided with thermocouple two in heat-treatment furnace, at heat
Temperature controller two is provided with below reason stove；High-silicon steel wind mechanism is provided with the rear of steel belt conveyer two.
Compared with prior art, the utility model has substantive distinguishing features following prominent and marked improvement：
Low-silicon steel matrix is answered remaining caused by the processing of low-silicon steel matrix strengthening after shot peening, using shot-peening
Power can remarkably promote element silicon in powder and be spread to low-silicon steel, so as to improve the silicone content of high silicon content coating.
The powder used when powder diffusion is for high silicon layer is ferro-silicium particle, because iron and silicon have formd solid solution
Body, not necessarily form solid solution can when element enters low silicon substrate when powder spreads and be diffused directly into low-silicon steel strip,
Element silicon diffusion can be remarkably promoted.
Due to preparing high silicon content coating and homogenization heat treatment process carried out under conditions of magnetic field, because magnetocrystalline is different
Property and induced anisotropy effect, can make tissue orientating by adjusting the parameters such as magnetic field intensity, improve magnetic property.
Pressure processing or its property deformation process is not present in whole preparation process, can fundamentally avoid it is any due to
Processing difficulties caused by the inductile of 6.5wt%Si high-silicon steels.
The thickness of high silicon layer, silicone content, element silicon diffusion velocity can be by adjusting ferro-silicium silicon in the powder deposited
Content, neutral powder content, magnetic field intensity, avoid silicon steel thin belt surface silicon too high levels.
The original structure of matrix is influenceed small.
This method can be operated continuously on a large scale, be expected to prepare wide cut, the high silicon steel strap of long size, and significantly
Reduce production cost.
The powder used is cheap, easily obtain, and consume less, cost it is low.
Brief description of the drawings
Fig. 1 is the structural representation of special purpose device used in the utility model method.
Mark in accompanying drawing for：1- low-silicon steel wind mechanisms, 2- low-silicon steel strips, 3- compressed air shotblasting machines, 4- steel bands conveying dress
Put one, 5- cathode pinch-rollers one, 6- Stationary Magnetic Field Generator for Magnetic one, 7- water cooling plants one, 8- heat-insulating materials one, 9- heaters one,
10- powder diffusion furnaces, the high Si powders of 11-, 12- Anodics, anode under 13-, 14- thermocouples one, 15- cathode pinch-rollers two, 16- controls
Wen Yiyi, 17- dc source, 18- high silicon content coating silicon steel, 19- conveyers, 20- Stationary Magnetic Field Generator for Magnetic two, 21- water coolings dress
Put two, 22- heat-insulating materials two, 23- heaters two, 24- heat-treatment furnaces, 25- thermocouples two, 26- temperature controllers two, 27- steel bands
Conveying device two, 28- high-silicon steel wind mechanisms, 29- magnetic directions one, 30- magnetic directions two, coating on the high silicon of 31-,
32- low-silicon steel matrixes, coating under the high silicon of 33-, 34- high-silicon steel thin strips.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Refer to Fig. 1：
A kind of Powder Diffusion of the present utility model continuously prepares the device of high-silicon steel thin strip, including is conveyed and filled by steel band
The processing line that one 4, conveyer 19 and steel belt conveyer 2 27 are formed is put, is set in the front of steel belt conveyer 1
There is compressed air shotblasting machine 3, the front of compressed air shotblasting machine 3 is provided with low-silicon steel wind mechanism 1, and low-silicon steel strip 2 passes through low-silicon steel wind mechanism 1
It is delivered to compressed air shotblasting machine 3.
Two cathode pinch-rollers, i.e. cathode pinch-roller 1 and negative electrode folder are provided between steel belt conveyer 1 and conveyer 19
Roller 2 15, powder diffusion furnace 10 is provided between cathode pinch-roller 1 and cathode pinch-roller 2 15, the upper and lower surface of powder diffusion furnace 10 is by interior
And heater 1, heat-insulating material 1, water cooling plant 1 and Stationary Magnetic Field Generator for Magnetic 1 are sequentially provided with outside；Powder diffusion furnace
Anodic 12, lower anode 13 and thermocouple 1 are provided with 10, powder diffusion furnace 10 is full of high Si powder 11.Powder diffusion furnace
10 lower sections are provided with temperature controller 1 and dc source 17, and wherein temperature controller 1 connects thermocouple 1 by wire respectively and added
Thermal 1, dc source 17 connect cathode pinch-roller 1 and cathode pinch-roller 2 15 and Anodic 12 by wire.Through powder
The communicated device 19 of high silicon content coating silicon steel 18 after the processing of diffusion furnace 10 rearward transmits.The structure of high silicon content coating silicon steel 18 is as schemed
In 1 shown in amplifier section, it can be seen that it mainly adds on low-silicon steel matrix 32 and applied on high silicon under coating 31 and high silicon
Layer 33.
A heat-treatment furnace 24 is provided between conveyer 19 and steel belt conveyer 2 27, heat-treatment furnace is two about 24
Face is sequentially provided with heater 2 23, heat-insulating material 2 22, water cooling plant 2 21 and Stationary Magnetic Field Generator for Magnetic 2 20 from inside to outside,
Thermocouple 2 25 is provided with heat-treatment furnace 24, the lower section of heat-treatment furnace 24 is provided with temperature controller 2 26, and temperature controller 2 26 is connected by wire
Connect thermocouple 2 25 and heater 2 23.
High-silicon steel wind mechanism 28 is provided with the rear of steel belt conveyer 2 27, for winding at thermally treated stove 24
The high-silicon steel thin strip 34 obtained after reason.It can further be seen from figure 1 that the magnetic field side in powder diffusion furnace 10 and heat-treatment furnace 24
Referred both to rearward to one 29 and magnetic direction 2 30, i.e. the direction of high-silicon steel wind mechanism 28.
In DIFFUSION TREATMENT, the temperature of powder diffusion furnace 10 is controlled by thermocouple 1 and temperature controller 1, is opened simultaneously
Open Anodic 12 and lower anode 13 applies electric field and opens the application of Stationary Magnetic Field Generator for Magnetic 1 magnetic field, direction is horizontal direction.Heat
Nurse in stove 24, high silicon content coating silicon strip is inserted in heat nursing stove 24 first, in DIFFUSION TREATMENT, controlled by thermocouple 2 25
The temperature for the treatment of furnace 24 is heated, while opens Stationary Magnetic Field Generator for Magnetic 2 20 and applies magnetic field, magnetic direction is horizontal direction.
Embodiment 1：
(1) preparation of Antaciron particle：The straight iron powder of different proportion and pure silicon powder are well mixed, silicon contains in mixed powder
Amount is controlled in 2.5wt%Si~99%wt%Si scopes, and then melting forms silicon under high vacuum high temperature (1400~1600 DEG C)
Ferroalloy, then obtained alloy is milled into 0.1~500 μm of powder using the method for vacuum arc atomization or planetary ball mill
End.
(2) surface Hardening Treatment：Surface Hardening Treatment is carried out to the surface of low-silicon steel strip 2, is implanted into certain residual stress；
(3) preparation of high silicon layer：Powder containing element silicon is added in powder diffusion furnace 10, in low-silicon steel strip 2
A floor height silicon coating is made in surface, in preparation process, is applied with the electric field of 1-2000A/dm2 current densities, while also apply
Magnetic field intensity be 0.001~20T, use the pure iron strip or low silicon steel thin piece that 0.05~0.5mm is thick as matrix, width
For 10-2000mm, the silicone content of low-silicon steel strip 2 is 0-3wt%.Band inert gas (such as argon gas) is put into after drying and drying,
Or it is reducing gas (carbon monoxide, hydrogen etc.) or is that inert gas enters with the tubular electric furnace of reducing gas mixing gas shielded
Row continuous heat DIFFUSION TREATMENT, it is 6.5Wt% and the orientation or non-oriented silicon steel sheet that are evenly distributed to obtain average silicone content.Expand
Dissipating heat treatment temperature control in stove, at 800-1300 DEG C, heat treatment time is 0.1-10 hours.
(4) continuous high silicon composite coating is obtained for guarantee, the negative electrode of low-silicon steel strip 2 is continuously passed into powder diffusion
In stove 10, the high silicon layer silicon steel thin belt once obtained is moved per 0.2-2h；By controlling the tape transport frequency of low-silicon steel strip 2, powder
The Multiple factors such as silicone content, magnetic field intensity control the silicone content in high silicon content coating.To prepare the overall high silicon in 6.5wt%Si
Silicon steel thin belt, the silicone content in high silicon layer are can be controlled between 6.5-99wt%；The thickness of coating is 2-1000 microns；Silicon strip
The mode for unreeling and winding is taken, realizes the preparation of coiled high silicon steel thin belt.
(5) diffusion annealing is homogenized：The high silicon content coating steel that the average silicon content that above-mentioned steps are obtained is about 6.5Wt%
Band, band inert gas (such as argon gas) is put into after drying and drying, or is reducing gas (carbon monoxide, hydrogen etc.) or is inertia
With carrying out continuous heat DIFFUSION TREATMENT in the tubular electric furnace of reducing gas mixing gas shielded, obtain average silicone content is gas
6.5Wt% and the orientation or non-oriented silicon steel sheet being evenly distributed.At 800-1300 DEG C, heat treatment time is for heat treatment temperature control
0.1-10 hours.
Embodiment 2：
The specific operation of the present embodiment is as described below：
It is 13wt% filling iron powder 5kg, silica flour 5kg, alumina powder 10kg, 60kg silicone content that peak diameter is 10 μm
Ferro-silicium powder, 10kg silicone contents be 4wt% ferro-silicium powder to insert capacity be 50L length and width a height of 50cm, 10cm, 30cm
Powder diffusion furnace 10 in.
A pair of Anodics 12 and lower anode 13 are provided with powder diffusion furnace 10, the surrounding of powder diffusion furnace 10 is provided with heating dress
Put one 9 and heat-insulating material 1, peripheral hardware water cooling plant 1 is to prevent heat from influenceing the Stationary Magnetic Field Generator for Magnetic 1 of periphery；High silicon
The temperature of powder 11 is monitored by heater 1 and temperature controller 1 and thermocouple 1.
Use thickness for the low silicon silicon strip that 0.2mm, width 500mm, silicon content are 3wt% as low-silicon steel strip 2,
It is passed through by cathode pinch-roller 1 in powder diffusion furnace 10, low-silicon steel strip 2 passes through the intermediate powder of Anodic 12 and lower anode 13
Region, cathode pinch-roller 1 is connected with cathode pinch-roller 2 15 with the negative pole of dc source 17, by Anodic 12 and lower anode 13 with
The positive pole of dc source 17 is connected；Using temperature controller 1 and heater 1 and thermocouple 1 by powder diffusion furnace
10 are heated to 1250 DEG C and are incubated, while open electrode DC power supply 17, and adjustment DC current density is 100A/dm2；Constant magnetic
The magnetic field of field generator 1 is provided by electromagnet, and magnetic induction intensity remains 0.8T, magnetic direction 1 for it is horizontal to the right.Obtain
Silicon strip and pass powder diffusion furnace 10 and arrived at by conveyer 19 in heat-treatment furnace 24 after high silicon content coating, using temperature controller
2 26 and heater 2 23 and thermocouple 2 25 heat-treatment furnace 24 is heated to 1280 DEG C and is incubated, be then turned on constant magnetic
The magnetic field of field generator 2 20 is provided by electromagnet, and magnetic induction intensity remains 1T.The direction of magnetic direction 2 30 for it is horizontal to the right.
The surrounding of heat-treatment furnace 24 is provided with heater 2 23 and heat-insulating material 2 22, and peripheral hardware water cooling plant 2 21 is to prevent heat from influenceing
The Stationary Magnetic Field Generator for Magnetic 2 20 of periphery；Temperature in heat-treatment furnace 24 has heater 2 23 and temperature controller 2 26 and thermoelectricity
Even 2 25 monitor.
Start steel belt conveyer 1, conveyer 19 and steel belt conveyer 2 27, keep walking a steel per half an hour
Band, distance is 50cm.Due to containing peak diameter being 10 μm of Antaciron particles in high Si powder 11, using magnetic field to low-silicon steel
Under electric field promotes caused by the magnetic field energy effect and Anodic 12 of strip 2, lower anode 13, the high element silicon of Si powder 11 is diffused in
The upper and lower surface of low-silicon steel matrix 32, coating 33 under coating 31 and high silicon is obtained on the high silicon of high silicon, is surveyed through EDS (energy spectrum analysis)
Fixed, the Composite Coatings iron layer silicone content be 10.6wt%, and the thickness of coating 33 is (upper and lower for 90 microns under coating 31 and high silicon on high silicon
Coating is 90 microns), on the high silicon under coating 31 and high silicon coating 33 with low-silicon steel matrix 32 through follow-up heat treatment, through steel
Band conveying device 2 27 reaches high-silicon steel wind mechanism 28, and final silicone content reaches 6.5wt%, and this composition reaches
The component target of the high silicon steel thin belt of high-performance.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it can still be modified to the technical scheme described in foregoing embodiments, or which part technical characteristic is entered
Row equivalent substitution, all within the spirit and principles of the utility model, any modification, equivalent substitution and improvements made etc., all should
Within the scope of protection of the utility model.
Claims (1)
1. a kind of Powder Diffusion continuously prepares the device of high-silicon steel thin strip, it is characterised in that：Including by steel belt conveyer
The processing line that one (4), conveyer (19) and steel belt conveyer two (27) are formed, in steel belt conveyer one (4)
Front is provided with compressed air shotblasting machine (3), and the front of compressed air shotblasting machine (3) is provided with low-silicon steel wind mechanism (1)；Steel belt conveyer one (4) and
Two cathode pinch-rollers (5,15) are provided between conveyer (19), powder diffusion furnace is provided between two cathode pinch-rollers (5,15)
(10), powder diffusion furnace (10) upper and lower surface is sequentially provided with heater one (9), heat-insulating material one (8), water cooling dress from inside to outside
Put one (7) and Stationary Magnetic Field Generator for Magnetic one (6)；Anodic (12), lower anode (13) and heat are provided with powder diffusion furnace (10)
Galvanic couple one (14)；Temperature controller one (16) and dc source (17) are provided with below powder diffusion furnace (10)；In conveyer (19) and
A heat-treatment furnace (24) is provided between steel belt conveyer two (27), heat-treatment furnace (24) upper and lower surface is set successively from inside to outside
There are heater two (23), heat-insulating material two (22), water cooling plant two (21) and Stationary Magnetic Field Generator for Magnetic two (20), heat-treatment furnace
(24) thermocouple two (25) is provided with, temperature controller two (26) is provided with below heat-treatment furnace (24)；In steel belt conveyer two (27)
Rear is provided with high-silicon steel wind mechanism (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720473270.3U CN206692709U (en) | 2017-05-02 | 2017-05-02 | A kind of Powder Diffusion continuously prepares the device of high-silicon steel thin strip |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720473270.3U CN206692709U (en) | 2017-05-02 | 2017-05-02 | A kind of Powder Diffusion continuously prepares the device of high-silicon steel thin strip |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108097963A (en) * | 2017-12-18 | 2018-06-01 | 中南大学 | A kind of method that powder rolling prepares high silicon steel band with High temperature diffusion sintering |
| CN108796427A (en) * | 2017-05-02 | 2018-11-13 | 贵州理工学院 | A kind of Powder Diffusion continuously prepares the method and device of high-silicon steel thin strip |
-
2017
- 2017-05-02 CN CN201720473270.3U patent/CN206692709U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108796427A (en) * | 2017-05-02 | 2018-11-13 | 贵州理工学院 | A kind of Powder Diffusion continuously prepares the method and device of high-silicon steel thin strip |
| CN108097963A (en) * | 2017-12-18 | 2018-06-01 | 中南大学 | A kind of method that powder rolling prepares high silicon steel band with High temperature diffusion sintering |
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