CN105195693A - Spraying device for amorphous strip - Google Patents
Spraying device for amorphous strip Download PDFInfo
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- CN105195693A CN105195693A CN201410300856.0A CN201410300856A CN105195693A CN 105195693 A CN105195693 A CN 105195693A CN 201410300856 A CN201410300856 A CN 201410300856A CN 105195693 A CN105195693 A CN 105195693A
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- crucible
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Abstract
The invention discloses a spraying device for an amorphous strip. The spraying device comprises a furnace body outer shell, a crucible and heating globars. The furnace body outer shell comprises a cover plate and a shell body. A heat-resisting interlayer is arranged inside the furnace body outer shell, and a heating space is arranged inside the heat-resisting interlayer. The crucible is arranged inside the heating space. The spraying device for the amorphous strip is characterized in that the heating globars are arranged inside the heating space and surround the outside of the crucible; the top of the crucible is attached to the heat-resisting interlayer to be sealed; a thermocouple thermometer and an infrared thermometer which are used for monitoring the temperature of molten steel in the crucible are directly inserted into the cover plate; the spraying device further comprises a temperature control system, and the temperature control system is connected with the heating globars, the thermocouple thermometer and the infrared thermometer; the temperature control system adjusts output power of the heating globars according to signals of the thermocouple thermometer and the infrared thermometer. The spraying device for the amorphous strip is good in heating effect and high in heat energy utilization efficiency, the temperature of the molten steel can be effectively controlled, energy consumption is reduced, control over the temperature of the molten steel is stable, and the temperature of the molten steel can be kept within the range from -10 DEG C to +10 DEG C compared with a set temperature.
Description
Technical field
The present invention relates to amorphous band preparation field, especially relate to a kind of spray device of amorphous band.
Background technology
The process that tradition prepares amorphous band strip is: by intermediate frequency furnace melting, pour into tundish, and rising pouring is in spray band bag, and molten steel is ejected on the crystallizer of High Rotation Speed by nozzle, is frozen into thickness instantaneously at the strip of 25-30 μm.Want stably to produce the ultra-thin amorphous band of more high density, high saturated magnetic induction, then need to use special pressure spray carrying device, and special pressure spray carrying device band cost is high, technology of preparing requires also very high.For this reason, a kind of spray device more reliably producing amorphous band when lower cost is needed.
Application publication number is the spray device that the patent document of CN103586446A discloses a kind of band, and this device comprises: crucible, involucrum, clad, heating globar, water cooling plant, temperature sensor, float lever, air inlet pipe, escape pipe, funnel, stopper, nozzle etc.When the molten steel liquid level in described crucible reaches setting level value, pressure in the confined space that described involucrum and clad are formed reaches setup pressure value, and when in described crucible, liquid steel temperature reaches set temperature value, control described stopper, the molten steel in described crucible is flowed out by described consent and described nozzle successively.The spray device of this amorphous band, heating globar is plugged on involucrum, and the heat energy that globar provides is dispersed on involucrum and crucible, and heat energy, by after heat temperature raising, is dispersed into external environment condition by shell by involucrum, affects the utilization ratio of heat energy.
Authorization Notice No. a kind of production amorphous band tundish that has been the patent document of CN202336569U, comprise housing, crucible and heater, wherein, crucible and heater are positioned at enclosure interior, heater is looped around the outside of crucible, is provided with heat-insulation layer between heater and housing, and the top of housing is provided with inlet, be provided with buffer stopper further immediately below inlet, buffer stopper is positioned at the bottom of crucible.Although the spray device structure of this amorphous band is simple, beam molten steel can be effectively reduced impact crucible bottom, but molten steel is still inevitable to the impact of buffer stopper, and this device lacks the monitoring to crucible inside molten steel, molten steel temperature in crucible has no way of learning, is difficult to the quality controlling the amorphous band produced.
Summary of the invention
In order to provide a kind of heating effect good, heat energy service efficiency is high, and effectively can control the amorphous band spray device of molten steel temperature, the present invention adopts following technical scheme:
A spray device for amorphous band, comprises body of heater shell, crucible and heating globar, and described body of heater shell comprises cover plate and housing; Cover plate is provided with funnel; Be provided with resistance to thermofin in described body of heater shell, in resistance to thermofin, be provided with heating space; Described crucible is located in heating space; Described heating globar is located in heating space, is centered around the outside of crucible; The top of described crucible and the gluing, sealing of resistance to thermofin; On described cover plate, straight cutting has thermocouple temperature measurement instrument for monitoring liquid steel temperature in crucible and infrared thermometer; Also comprise temperature control system, temperature control system is connected with described heating globar, thermocouple temperature measurement instrument and infrared thermometer; Described temperature control system is according to the power output of the Signal Regulation heating globar of thermocouple temperature measurement instrument and infrared thermometer.
Temperature control system can be PLC system or the server with comparing module.
Resistance to thermofin is preferably made up of asbestos seal pad.
In order to allow the molten steel of melting can pour into spray device smoothly, spray device is generally provided with flow-guiding structure.For this reason, cover plate is provided with the funnel for allowing molten steel flow into crucible, and funnel grafting on the cover board also through resistance to thermofin, is stretched in crucible.Molten steel enters crucible from funnel, can cause certain impact to crucible.In order to alleviate this impact, preferably, the end of funnel bottle neck is connected with current divider; Some are provided with the axis of funnel for axis is around the split channel of distribution in current divider; Split channel is arc line type, communicates with funnel.When molten steel flows into from funnel, will to flow in current divider and through split channel shunting, to reduce the flowing velocity in molten steel vertical direction, thus alleviate the impact of molten steel to crucible bottom.
In the preparation of amorphous band, molten steel is injected into chill roll from spray device and realizes Fast Cooling.For this reason, the bottom of crucible is preset with consent.Body of heater shell is provided with nozzle, docks with consent.
In crucible, the temperature of molten steel and injection flow are important technical parameters prepared by amorphous band.Control to be common process means prepared by amorphous band to the temperature of molten steel in crucible and injection flow.For this reason, cover plate is generally also provided with stopper.Stopper straight cutting on the cover board also through resistance to thermofin, stretches in crucible, corresponding with consent.
It is basic fundamental means prepared by amorphous band that molten steel is ejected into quick cooling chill roll from nozzle.If the space pressure depositing molten steel is not enough, molten steel can cannot be ejected on chill roll, and then affects the quality of amorphous band.For this reason, the top of body of heater shell is processed with air admission hole, this air admission hole communicates with crucible.In crucible, pass into technique protective gas, while meeting the expulsion pressure of molten steel, technique protective gas can avoid molten steel at crucible internal oxidition, and then the quality of production of protection amorphous band.In order to confirm whether the pressure of crucible inside reaches the force value of technique initialization, can also on the cover board setting pressure meter and pressure sensor, pressure gauge, through resistance to thermofin, stretches in crucible.Pressure sensor uploads pressure signal to temperature control system, and temperature control system, by after this pressure signal and setting value comparison, sends control signal controlled pressure actuator and realizes pressure in crucible and regulate.
Air admission hole is located at the top of body of heater shell; comparatively air admission hole is located at crucible bottom; avoid the situation that molten steel pours into air admission hole; and due to the top of crucible and the gluing, sealing of resistance to thermofin; air admission hole is directly communicated with crucible inside; this allows technique protective gas directly enter in crucible, use a small amount of technique protective gas to meet manufacturing technique requirent, and the air pressure of crucible inside more easily regulates.
Operation principle of the present invention is as follows:
Molten steel flows in crucible from funnel, straight cutting thermocouple temperature measurement instrument on the cover board and the temperature of infrared thermometer detection molten steel, and by Signal transmissions to temperature control system, temperature control system is by the temperature data received and the temperature range comparison preset, and then heating globar is controlled, make the temperature of crucible in preset temperature range, ensure the efficiency of heating surface, save energy consumption.
When the molten steel liquid level in crucible reaches setting level value, pressure in the confined space that crucible and resistance to thermofin are formed reaches setup pressure value, and when in crucible, liquid steel temperature reaches set temperature value, control the up certain distance of stopper, molten steel in crucible is ejected on chill roll by consent and nozzle successively, forms amorphous band.
Heating effect of the present invention is good, and heat energy service efficiency is high, effectively can control molten steel temperature, and save energy consumption, the control of the temperature of molten steel is stablized, and the temperature of molten steel can remain on compared with design temperature, in the scope of-10 DEG C to+10 DEG C.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of spray device in the embodiment of the present invention;
Fig. 2 is the schematic diagram of stopper and control assembly thereof in the embodiment of the present invention;
Fig. 3 is the schematic diagram of current divider and temperature measurer in the embodiment of the present invention;
Fig. 4 is the schematic diagram of temperature control flow in the embodiment of the present invention.
Description of reference numerals: 1-cover plate; 2-housing; The resistance to thermofin of 3-; 4-heating space; 5-crucible; 6-heats globar; 7-funnel; 8-stopper; 9-cylinder; 10-thermocouple temperature measurement instrument; 11-infrared thermometer; 12-liquid level gauge; 13-barometer; 14-current divider; 15-split channel; 16-air admission hole 21-nozzle; 51-consent
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.
The spray device of a kind of amorphous band as shown in Fig. 1,4, comprises cover plate 1 and housing 2.Resistance to thermofin 3 is filled with in housing 2.In the present embodiment, resistance to thermofin 3 is made up of asbestos seal pad.Resistance to thermofin 3 encloses and forms heating space 4.Nozzle 21 is equipped with in the bottom of housing 2.The top of housing 2 is processed with air admission hole 16.Air admission hole 16 communicates with crucible 5.
Crucible 5 is placed in heating space 3, the top of crucible 5 and resistance to thermofin 3 gluing, sealing.The bottom of crucible 5 is processed with consent 51.Nozzle 21 is corresponding with consent 51 to be installed.
Heating globar 6 is placed in heating space 4 equally, and is centered around the outside of crucible 5.
As shown in Figure 2, on cover plate 1, straight cutting has funnel 7.Funnel 7 is plugged on cover plate 1 and also passes resistance to thermofin 3, stretches in crucible 5.Cover plate 1 is also provided with stopper 8 and cylinder 9.Stopper 8 straight cutting also through resistance to thermofin 3, stretches in crucible 5 on cover plate 1, corresponding with consent 51.The movable part of cylinder 9 is connected with stopper rod 8, thus controls the lifting of stopper rod 8.
As shown in Figure 3, in order to control the power output heating globar 6, regulate crucible 5 internal temperature, cover plate 1 being gone back straight cutting has thermocouple temperature measurement instrument 10 and infrared thermometer 11.Thermocouple temperature measurement instrument 10 is connected with external PLC system with infrared thermometer 11, forms closed-loop control system.
Crucible 5 is also provided with the liquid level gauge 12 detecting liquid steel level height in crucible.
The bottle neck end of funnel 7 is also provided with current divider 14.The inside of current divider 14 is processed with several split channels 15.Split channel 15 is with the axis of funnel for axis is around distribution, and every bar split channel 15 all communicates with funnel.
The course of work of the present embodiment is as follows:
Molten steel enters in crucible 5 from funnel 7, argon gas is passed in air admission hole, infrared thermometer 11 detects the temperature of molten steel in real time, and the temperature information of detection is transferred to PLC system, PLC system accepts the temperature information that infrared thermometer 11 is uploaded, contrast with the temperature range preset, and then control the power output of heating globar 6, the molten steel in crucible 5 is heated up.
Along with in crucible 5, the liquid level of molten steel constantly rises, molten steel will not have thermocouple temperature measurer 10, now, the temperature information that PLC system will accept both thermocouple temperature measurement instrument 10 and infrared thermometer 11 and uploads, and therefrom choose the real time temperature of the less temperature value of float value as molten steel, and then control the power output of heating globar 6, which ensure that the precision that liquid steel temperature is measured.If find, significantly floating appears suddenly in thermocouple temperature measurement instrument 10 or infrared thermometer 11 data that wherein one detects, and the detection data of another temperature measurer still keep normal floating, can think that the temperature measurer occurring significantly floating is abnormal, thus overhaul temperature measurer targetedly.
When in crucible 5, the liquid level of molten steel is concordant with liquid level gauge 12, the barometer 13 be arranged on cover plate 1 pressure shown in crucible 5 met technological requirement and in crucible 5, liquid steel temperature has reached design temperature time, cylinder 9 is driven, cylinder 9 drives stopper 8 up, molten steel in crucible 5 is ejected on chill roll by consent 51 and nozzle 21 successively, forms amorphous band.
Heating effect of the present invention is good, and heat energy service efficiency is high, effectively can control molten steel temperature, and save energy consumption, the control of the temperature of molten steel is stablized, and the temperature of molten steel can remain on compared with design temperature, in the scope of-10 DEG C to+10 DEG C.
What this description was enumerated is only better embodiment of the present invention, and all equivalent technologies conversion done under operation principle of the present invention and thinking, are all considered as protection scope of the present invention.
Claims (4)
1. a spray device for amorphous band, comprises body of heater shell, crucible and heating globar, and described body of heater shell comprises cover plate and housing; Cover plate is provided with funnel; Be provided with resistance to thermofin in described body of heater shell, in resistance to thermofin, be provided with heating space; Described crucible is located in heating space, it is characterized in that: described heating globar is located in heating space, is centered around the outside of crucible; The top of described crucible and the gluing, sealing of resistance to thermofin; On described cover plate, straight cutting has thermocouple temperature measurement instrument for monitoring liquid steel temperature in crucible and infrared thermometer; Also comprise temperature control system, temperature control system is connected with described heating globar, thermocouple temperature measurement instrument and infrared thermometer; Described temperature control system is according to the power output of the Signal Regulation heating globar of thermocouple temperature measurement instrument and infrared thermometer.
2. the spray device of a kind of amorphous band according to claim 1, is characterized in that: the bottle neck end of described funnel is connected with current divider; Some are provided with the axis of funnel for axis is around the split channel of distribution in described current divider; Described split channel is arc line type, communicates with funnel.
3. the spray device of a kind of amorphous band according to claim 1, is characterized in that: described resistance to thermofin is made up of asbestos seal pad.
4. the spray device of a kind of amorphous band according to claim 1, is characterized in that: the top of body of heater shell is processed with air admission hole; Described air admission hole communicates with crucible.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410300856.0A CN105195693A (en) | 2014-06-27 | 2014-06-27 | Spraying device for amorphous strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410300856.0A CN105195693A (en) | 2014-06-27 | 2014-06-27 | Spraying device for amorphous strip |
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|---|---|
| CN105195693A true CN105195693A (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410300856.0A Pending CN105195693A (en) | 2014-06-27 | 2014-06-27 | Spraying device for amorphous strip |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107557528A (en) * | 2017-08-28 | 2018-01-09 | 中国科学院宁波材料技术与工程研究所 | A kind of molten steel temperature regulation and control method and its device |
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| CN202204294U (en) * | 2011-07-21 | 2012-04-25 | 广东世创金属科技有限公司 | Thermal simulation furnace provided with heating/cooling controllable structure and enabling midway sampling |
| CN202336569U (en) * | 2011-10-19 | 2012-07-18 | 青岛云路新能源科技有限公司 | Tundish for producing amorphous strips |
| CN102909327A (en) * | 2012-10-25 | 2013-02-06 | 江苏锴博材料科技有限公司 | Device and process for producing amorphous strips |
| CN203432929U (en) * | 2013-09-06 | 2014-02-12 | 内蒙古科技大学 | High-temperature solidifying phase transformation law measurement experiment device |
| CN103586446A (en) * | 2013-11-20 | 2014-02-19 | 青岛云路新能源科技有限公司 | Strip spraying and manufacturing device |
| CN203992290U (en) * | 2014-06-27 | 2014-12-10 | 佛山市中研非晶科技股份有限公司 | A kind of spray device of amorphous band |
-
2014
- 2014-06-27 CN CN201410300856.0A patent/CN105195693A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202204294U (en) * | 2011-07-21 | 2012-04-25 | 广东世创金属科技有限公司 | Thermal simulation furnace provided with heating/cooling controllable structure and enabling midway sampling |
| CN202336569U (en) * | 2011-10-19 | 2012-07-18 | 青岛云路新能源科技有限公司 | Tundish for producing amorphous strips |
| CN102909327A (en) * | 2012-10-25 | 2013-02-06 | 江苏锴博材料科技有限公司 | Device and process for producing amorphous strips |
| CN203432929U (en) * | 2013-09-06 | 2014-02-12 | 内蒙古科技大学 | High-temperature solidifying phase transformation law measurement experiment device |
| CN103586446A (en) * | 2013-11-20 | 2014-02-19 | 青岛云路新能源科技有限公司 | Strip spraying and manufacturing device |
| CN203992290U (en) * | 2014-06-27 | 2014-12-10 | 佛山市中研非晶科技股份有限公司 | A kind of spray device of amorphous band |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107557528A (en) * | 2017-08-28 | 2018-01-09 | 中国科学院宁波材料技术与工程研究所 | A kind of molten steel temperature regulation and control method and its device |
| CN107557528B (en) * | 2017-08-28 | 2019-12-03 | 中国科学院宁波材料技术与工程研究所 | A kind of molten steel temperature regulation method and device thereof |
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Application publication date: 20151230 |
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