CN204455201U - Stereo amorphous alloy wound iron core annealing furnace - Google Patents
Stereo amorphous alloy wound iron core annealing furnace Download PDFInfo
- Publication number
- CN204455201U CN204455201U CN201520126784.2U CN201520126784U CN204455201U CN 204455201 U CN204455201 U CN 204455201U CN 201520126784 U CN201520126784 U CN 201520126784U CN 204455201 U CN204455201 U CN 204455201U
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- Prior art keywords
- heating chamber
- iron core
- cooled enclosure
- amorphous alloy
- sidewall
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 229910000808 amorphous metal alloy Inorganic materials 0.000 title claims abstract description 46
- 238000000137 annealing Methods 0.000 title claims abstract description 41
- 238000010438 heat treatment Methods 0.000 claims abstract description 101
- 238000004804 winding Methods 0.000 claims abstract description 10
- 239000000498 cooling water Substances 0.000 claims description 4
- 239000011229 interlayer Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 22
- 238000001816 cooling Methods 0.000 description 6
- 230000005672 electromagnetic field Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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- Manufacturing Cores, Coils, And Magnets (AREA)
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Abstract
The utility model discloses a kind of stereo amorphous alloy wound iron core annealing furnace, comprise cooled enclosure, air-circulating fan, well heater, by being fixed on the heating chamber in cooled enclosure, horizontal roller group, be placed on the pallet in horizontal roller group, be arranged on the three-dimensional winding iron core support of pallet top surface, wherein, the sidewall of described cooled enclosure is provided with the electrode towards pallet heating station, the front side wall of heating chamber offers heating chamber entrance, this heating chamber entrance is provided with heating chamber inlet baffle, the sidewall of cooled enclosure is provided with the fire door corresponding with heating chamber entrance, this fire door is provided with fire door, four sidewalls of heating chamber all offer multiple can the vent window of opening and closing separately, the base plate of heating chamber evenly offers multiple ventilating pit.The utility model well can adapt to the annealing process requirement of stereo amorphous alloy wound iron core.
Description
Technical field
The utility model relates to transformer core processing technique field, is specifically related to a kind of stereo amorphous alloy wound iron core annealing furnace.
Technical background
Stereo amorphous alloy wound iron core transformer is a kind of novel energy-saving environment-friendly transformer, because this transformer core adopts new amorphous alloy material, and adopts more rational three-dimensional structure, greatly can reduce the open circuit loss of transformer self.But the same with siliconized plate three-dimensional winding iron core, when stereo amorphous alloy wound iron core band is after iron core sawing sheet, winding work, the magnetic property of himself extremely declines.Therefore want to obtain qualified stereo amorphous alloy wound iron core transformer, lehr attendant's work must be carried out after coiling iron core.
With siliconized plate three-dimensional winding iron core band unlike, amorphous alloy strips is in annealing process, more strict to processing requirements such as temperature, related process time, the controls of the regional area temperature difference.And for ensureing its performance, stereo amorphous alloy wound iron core will apply certain electromagnetic field when annealing.Therefore conventional silicon-steel sheet strand-anneal(ing) stove cannot reach the annealing requirement of stereo amorphous alloy wound iron core now, at present also not specially for stereo amorphous alloy wound iron core carries out the equipment of annealing operation.
Utility model content
The purpose of this utility model is for above-mentioned technical problem, provides a kind of stereo amorphous alloy wound iron core annealing furnace, and this annealing furnace well can adapt to the annealing process requirement of stereo amorphous alloy wound iron core.
For realizing this object, stereo amorphous alloy wound iron core annealing furnace designed by the utility model, it is characterized in that: it comprises cooled enclosure, be arranged on the air-circulating fan of cooled enclosure top middle portion, be arranged on the well heater of both sides, cooled enclosure top, the heating chamber of cooled enclosure inside is fixed on by support, be arranged on the horizontal roller group between the sidewall of heating chamber left and right, be placed on the pallet in horizontal roller group, be arranged on the three-dimensional winding iron core support of pallet top surface, wherein, the left side wall of described cooled enclosure is provided with sidewall through heating chamber and towards the electrode of pallet heating station, the right side wall of cooled enclosure is also provided with sidewall through heating chamber and towards the electrode of pallet heating station, the air port of described air-circulating fan and the heating part of well heater are all positioned at the inside of cooled enclosure, the air port of described air-circulating fan is horizontal air port, this horizontal tuyere line is to the heating part of well heater, between the sidewall of described heating chamber and the inner side-wall of cooled enclosure, there is gap, between the base plate of heating chamber and the base plate of cooled enclosure, there is gap, the front side wall of heating chamber offers heating chamber entrance, this heating chamber entrance is provided with heating chamber inlet baffle, the sidewall of cooled enclosure is provided with the fire door corresponding with heating chamber entrance, this fire door is provided with fire door, four sidewalls of heating chamber all offer multiple can the vent window of opening and closing separately, the base plate of heating chamber evenly offers multiple ventilating pit.
The utility model avoids annealing furnace heating unit by above-mentioned design directly contacts with stereo amorphous alloy iron core.The utility model uses the mode of even Hot-blast Heating, ensure that the homogeneous temperature of iron core each position heating.The electrode of the utility model setting, can apply the electromagnetic field of corresponding requirements to amorphous alloy iron core in addition, thus ensures the stereo amorphous alloy wound iron core electromagnetic performance after annealing.
Accompanying drawing explanation
Fig. 1 is external structure schematic diagram of the present utility model;
Fig. 2 is the structural representation after the utility model removes cooled enclosure top board and heating chamber top board;
Fig. 3 is the structural representation after the utility model removes a sidewall of cooled enclosure and a sidewall of heating chamber.
Fig. 4 is the temperature variation chart that the utility model carries out each time period in annealing test process.
Wherein, 1-air-circulating fan, 2-well heater, 3-fire door, 4-vent window, 5-thermometer, 6-electrode, 7-base plate, 8-horizontal roller group, 9-pallet, 10-cooled enclosure, 11-support, 12-heating chamber, 13-three-dimensional winding iron core support, 14-ventilating pit, 15-wind-guiding skew wall, 16-baffle plate, 17-heating chamber entrance, 18-heating chamber inlet baffle, 19-stereo amorphous alloy wound iron core.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Stereo amorphous alloy wound iron core annealing furnace as shown in Figures 1 to 3, it comprises cooled enclosure 10, be arranged on the air-circulating fan 1 of cooled enclosure 10 top middle portion, be arranged on the well heater 2 of both sides, cooled enclosure 10 top, the heating chamber 12 of cooled enclosure 10 inside is fixed on by support 11, be arranged on the horizontal roller group 8 between heating chamber about 12 sidewall, be placed on the pallet 9 in horizontal roller group 8, be arranged on the three-dimensional winding iron core support 13 of pallet 9 end face, wherein, the left side wall of described cooled enclosure 10 is provided with sidewall through heating chamber 12 and towards the electrode 6 of pallet 9 heating station, the right side wall of cooled enclosure 10 is also provided with sidewall through heating chamber 12 and towards the electrode 6 of pallet 9 heating station, the air port of described air-circulating fan 1 and the heating part of well heater 2 are all positioned at the inside of cooled enclosure 10, the air port of described air-circulating fan 1 is horizontal air port, this horizontal tuyere line is to the heating part of well heater 2, between the sidewall of described heating chamber 12 and the inner side-wall of cooled enclosure 10, there is gap, between the base plate 7 of heating chamber 12 and the base plate of cooled enclosure 10, there is gap, the front side wall of heating chamber 12 offers heating chamber entrance 17, this heating chamber entrance 17 is provided with heating chamber inlet baffle 18, the sidewall of cooled enclosure 10 is provided with the fire door corresponding with heating chamber entrance 17, this fire door is provided with fire door 3, four sidewalls of heating chamber 12 all offer multiple can the vent window 4 of opening and closing separately, the base plate 7 of heating chamber 12 evenly offers multiple ventilating pit 14.
In technique scheme, electrode 6 applies electromagnetic field to iron core in stereo amorphous alloy wound iron core annealing process, can ensure the electromagnetic performance of the stereo amorphous alloy wound iron core after annealing.
In technique scheme, air-circulating fan 1 has in circulation furnace gases flowing towa taud, stove the function vacuumizing and be filled with rare gas element (as nitrogen, helium etc.).The air port of air-circulating fan 1 is between the top outer wall and cooled enclosure 10 top inwall of heating chamber 12.The wind that air-circulating fan 1 is sent can heat by well heater 2, forms hot blast.These hot blasts will as the utility model when annealing to stereo amorphous alloy wound iron core, the main heating source of heating and insulation operation.
In technique scheme, air-circulating fan 1 can be blown down the hot blast come and be rectified into wind speed and the relatively uniform hot blast of temperature by base plate 7 ventilating pit 14 of described heating chamber 12.Iron core is in annealing process, and hot blast enters heating chamber 12 by vent window 4 and ventilating pit 14, makes iron core can Synchronous Heating everywhere, also can prevent iron core local superheating simultaneously.
In technique scheme, between the end face of described heating chamber 12 and corresponding sidewall, be equipped with wind-guiding skew wall 15.End face and the wind-guiding skew wall 15 of heating chamber 12 form mesa-shaped structure.
In technique scheme, the left and right sidewall of described heating chamber 12 is all provided with multiple thermometer 5.The concrete installation site of thermometer 5 on heating chamber about 12 sidewall is determined according to required monitoring location.
In technique scheme, the base plate of described heating chamber 12 is provided with the baffle plate 16 corresponding with pallet 9 heating station.This baffle plate 16 blocks the ventilating pit 14 immediately below pallet 9 heating station, air-flow is not blowed to bottom pallet 9, further enhances the homogeneity blowing to stereo amorphous alloy wound iron core 19 hot blast.
In technique scheme, the end face of described cooled enclosure 10 and side are sandwich structure, the end face interlayer of cooled enclosure 10 and the inner cooling-water duct for being interconnected of side interlayer.The type of cooling of the present utility model is water-cooled, and its principle for pass into water coolant in cooling-water duct, thus reaches the object reducing in-furnace temperature.
Annealing furnace of the present utility model can by regulating the opening and closing of corresponding vent window 4, the heating temp of the wind speed of air-circulating fan 1 and well heater 2 regulates by the heating rate of heating iron core or rate of cooling.
Utilize above-mentioned stereo amorphous alloy wound iron core annealing furnace to carry out a method for stereo amorphous alloy wound iron core annealing, it comprises the steps:
Step 1: open fire door 3 and heating chamber inlet baffle 18, stereo amorphous alloy wound iron core 19 layering is laid and is fixed on the three-dimensional winding iron core support 13 of pallet 9, again pallet 9 is pushed into pallet 9 heating station of horizontal roller group 8, then shuts heating chamber inlet baffle 18 successively and annealing furnace seals by fire door 3;
Step 2: vacuumize in air-circulating fan 1 pair of annealing furnace (furnace air is extracted out in case cause oxidation to iron core when annealing, affects its electromagnetic performance);
Step 3: when after the vacuum tightness (needed for producer's technique designed, designed vacuum tightness) that annealing furnace reaches default, open well heater 2 and air-circulating fan 1, utilize air-circulating fan 1 inert protective gas (as nitrogen, helium etc.) is filled with as described in annealing furnace;
Step 4: open the vent window 4 on heating chamber 12 sidewall, the inert protective gas heated through well heater 2 is evenly blown into heating chamber 12 by the vent window 4 of heating chamber 12 sidewall and the ventilating pit 14 of heating chamber 12 base plate 7, stereo amorphous alloy wound iron core 19 on three-dimensional winding iron core support 13 in heating chamber 12 is heated, thermometer 5 is utilized to monitor stereo amorphous alloy wound iron core 19 spot temperature everywhere, grasp furnace annealing actual temperature situation, by regulating the rotating speed of air-circulating fan 1, the temperature of well heater 2, annealing temperature and warming and cooling rate in regulating stove is come with vent window 4 openings of sizes,
Above-mentioned stereo amorphous alloy wound iron core 19 is heated while, by magnetic field generator, electrode 6 is generated an electromagnetic field, thus apply electromagnetic field (magneticstrength and field direction by producer according to technique sets itself, recommendation resultant field) to adding the stereo amorphous alloy wound iron core 19 hankered;
Step 5: stereo amorphous alloy wound iron core 19 in heating chamber 12 through presetting heat-up time after, close well heater 2, cooling system of fetching boiling water, to the cooling-water duct water flowing of cooled enclosure 10, lowers the temperature in stove;
Step 6: (producer specifies voluntarily when in-furnace temperature is down to the temperature of technique defined, in general the setting of this temperature is higher, its performance unshakable in one's determination is better, but its cost of manufacture is also higher) below time, close water-cooling system, and utilize air-circulating fan 1 to reclaim inert protective gas, pass into air after having reclaimed, and close air-circulating fan 1;
Step 7: open fire door 3, waits for that in stove, stereo amorphous alloy wound iron core 19 naturally cools to room temperature.
In technique scheme, in described step 3, the heating temp of well heater 2 is set as 340 ~ 360 DEG C.
In technique scheme, the heat-up time of presetting in described step 5 is 10 hours.
For checking essence annealing case of the present utility model, spy carries out an annealing test, and carry out temperature monitoring to each position of stereo amorphous alloy wound iron core 19 tested in stove in annealing process, check annealing effect of the present utility model, its result is as follows:
The heating temp of well heater 2 is directly set as 350 DEG C by this annealing, and in stove, stereo amorphous alloy wound iron core 19 adopts upper, middle and lower segment longitudinally to lay.After the heating of 10 hours, as shown in Figure 4, the temperature of each section of stereo amorphous alloy wound iron core 19 in upper, middle and lower all reaches 350 DEG C to its temperature curve.In heat-processed, stereo amorphous alloy wound iron core 19 temperature spread that different heights is placed is less, and each section of stereo amorphous alloy wound iron core 19 temperature does not all exceed control temperature, avoids stereo amorphous alloy wound iron core 19 causes iron core to be damaged risk because of local superheating.
Test-results shows, for stereo amorphous alloy wound iron core 19, the utility model achieves the functions such as homogeneous heating, constant insulation, fast cooling, the local temperature difference and magnetic field stepped control, eliminates iron core mechanical stress, improves the electromagnetic performance of iron core.
The content that this specification sheets is not described in detail belongs to the known prior art of professional and technical personnel in the field.
Claims (5)
1. a stereo amorphous alloy wound iron core annealing furnace, it is characterized in that: it comprises cooled enclosure (10), be arranged on the air-circulating fan (1) of cooled enclosure (10) top middle portion, be arranged on the well heater (2) of cooled enclosure (10) both sides, top, the inner heating chamber (12) of cooled enclosure (10) is fixed on by support (11), be arranged on the horizontal roller group (8) between the sidewall of heating chamber (12) left and right, be placed on the pallet (9) in horizontal roller group (8), be arranged on the three-dimensional winding iron core support (13) of pallet (9) end face, wherein, the left side wall of described cooled enclosure (10) is provided with sidewall through heating chamber (12) and towards the electrode (6) of pallet (9) heating station, the right side wall of cooled enclosure (10) is also provided with sidewall through heating chamber (12) and towards the electrode (6) of pallet (9) heating station, the air port of described air-circulating fan (1) and the heating part of well heater (2) are all positioned at the inside of cooled enclosure (10), the air port of described air-circulating fan (1) is horizontal air port, this horizontal tuyere line is to the heating part of well heater (2), between the sidewall of described heating chamber (12) and the inner side-wall of cooled enclosure (10), there is gap, between the base plate (7) of heating chamber (12) and the base plate of cooled enclosure (10), there is gap, the front side wall of heating chamber (12) offers heating chamber entrance (17), this heating chamber entrance (17) is provided with heating chamber inlet baffle (18), the sidewall of cooled enclosure (10) is provided with the fire door corresponding with heating chamber entrance (17), this fire door is provided with fire door (3), four sidewalls of heating chamber (12) all offer multiple can the vent window (4) of opening and closing separately, the base plate (7) of heating chamber (12) evenly offers multiple ventilating pit (14).
2. stereo amorphous alloy wound iron core annealing furnace according to claim 1, is characterized in that: be equipped with wind-guiding skew wall (15) between the end face of described heating chamber (12) and corresponding sidewall.
3. stereo amorphous alloy wound iron core annealing furnace according to claim 1, is characterized in that: the left and right sidewall of described heating chamber (12) is all provided with multiple thermometer (5).
4. stereo amorphous alloy wound iron core annealing furnace according to claim 1, is characterized in that: the base plate of described heating chamber (12) is provided with the baffle plate (16) corresponding with pallet (9) heating station.
5. stereo amorphous alloy wound iron core annealing furnace according to claim 1, it is characterized in that: the end face of described cooled enclosure (10) and side are sandwich structure, the end face interlayer of cooled enclosure (10) and the inner cooling-water duct for being interconnected of side interlayer.
Priority Applications (1)
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CN201520126784.2U CN204455201U (en) | 2015-03-04 | 2015-03-04 | Stereo amorphous alloy wound iron core annealing furnace |
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CN201520126784.2U CN204455201U (en) | 2015-03-04 | 2015-03-04 | Stereo amorphous alloy wound iron core annealing furnace |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104694712A (en) * | 2015-03-04 | 2015-06-10 | 国家电网公司 | Amorphous alloy three-dimensional roll-core annealing furnace and annealing method |
CN110117701A (en) * | 2019-05-24 | 2019-08-13 | 天津中晟泰新能源科技有限公司 | Pallet apparatus is used in a kind of annealing of magnetive cord |
-
2015
- 2015-03-04 CN CN201520126784.2U patent/CN204455201U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104694712A (en) * | 2015-03-04 | 2015-06-10 | 国家电网公司 | Amorphous alloy three-dimensional roll-core annealing furnace and annealing method |
CN110117701A (en) * | 2019-05-24 | 2019-08-13 | 天津中晟泰新能源科技有限公司 | Pallet apparatus is used in a kind of annealing of magnetive cord |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 |