CN201080491Y - Agitating molten pool - Google Patents
Agitating molten pool Download PDFInfo
- Publication number
- CN201080491Y CN201080491Y CNU2007200251522U CN200720025152U CN201080491Y CN 201080491 Y CN201080491 Y CN 201080491Y CN U2007200251522 U CNU2007200251522 U CN U2007200251522U CN 200720025152 U CN200720025152 U CN 200720025152U CN 201080491 Y CN201080491 Y CN 201080491Y
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- base plate
- pool
- pond
- soleplate
- molten pool
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Abstract
The utility model relates to a stirring molten pool and the on-line arrangement method. The stirring molten pool comprises a heat-preserved pool body; a soleplate made of nonmagnetic material and fixedly connected with the bottom of the pool is arranged on the external bottom surface of the pool; soleplate cooling holes are arranged at intervals on the soleplate; the upper port of each soleplate cooling hole is sealed and covered with a hole cover board made of nonmagnetic material and connected with the soleplate; a molten liquid inlet and a molten liquid outlet both communicated with the inner cavity of the pool body are arranged on the side surfaces of the pool body. When in the on-line arrangement, the pool body is arranged at the ground position between a melting furnace and a gas removing device; a front launder communicated with the melting furnace is arranged at the molten liquid inlet of the pool body; a back launder communicated with the gas removing device is arranged at the molten liquid outlet of the pool body; a permanent magnet stirrer is arranged under the soleplate of the pool bottom. The utility model which does not damage the structure of the original melting furnace and the gas removing device and needs low investment is applicable for the technical transformation of the stirring device of the old melting furnace, with the advantages of low power consumption and obvious energy-saving effect.
Description
Technical field
The utility model relates to the molten bath of with contactless whipping appts liquation being stirred in the non-ferrous metal metallurgy, a kind of agitation molten pool of more specifically saying so.
Background technology
In nonferrous metallurgical process, need stir molten metal.The mode of its stirring is manual stirring at first, and manual the stirring is that the stock that the operative employee holds the band fan wing stirs liquation, has that labour intensity is big, stirring velocity is low, stir uneven drawback, can not guarantee smelting quality.For the Working environment that improves the operative employee, reduce labor intensity, mechanical stirring and induction stirring have appearred in succession.Mechanical stirring is liquation to be stirred under the drive of power with the transmission rod of being with the fan wing, owing to be subjected to the restriction of smelting furnace stove gate size, the stirring scope is little, has the uneven drawback of stirring equally, and stirring head at high temperature damages easily.Induction stirring is to utilize the travelling-magnetic-field that is produced behind many group coil electricities, and molten non-ferrous metal is stirred, and realizes the purpose of stirring, and its weak point is: 1, because travelling-magnetic-field is less to the swept area of liquation, the dead angle very easily occurs stirring; 2, its radiating mode is logical cooling water circulation heat radiation in constituting the hollow conductor of coil, owing to be subjected to the restriction of lead caliber, the flow of water coolant is little, and radiating effect is poor, so magnetic stirrer can only interrupter duty, and each working hour is no more than half an hour; 3, energy consumption height, the magnetic stirrer of one 30 tons smelting furnace is per hour wanted 315 kilowatts of power consumptions.Along with development of technology, released contactless permanent magnetism whipping appts at present again, be that super strong permanent magnet vortex stirrer and the publication number of CN1821695A is the circulation type permanent magnetic stirrer of CN1920073A as publication number.Because super strong permanent magnet vortex stirrer is mounted in the below of body of heater in use near the body of heater position, therefore must there be the space that this agitator is installed the below of body of heater, be suitable for newly-built stove, and for the transformation of the smelting furnace of having built up, because it is the space that agitator is installed is not reserved in the below of smelting furnace, therefore inapplicable.Circulation type permanent magnetic stirrer then be mounted in use body of heater the outside and with chute that the smelting furnace inner chamber is communicated with between, therefore be applicable to and build up but be not the technological transformation of very long smelting furnace duration of service, then inapplicable for the old smelting furnace that those duration of service are very long, because when transforming, will on body of heater, set up the chute hole, in the process of setting up the chute hole, can cause the damage at other position of old body of heater.
Summary of the invention
The purpose of this utility model provides a kind of agitation molten pool that uses permanent magnetic stirrer for old smelting furnace.
In order to realize above-mentioned purpose, the agitation molten pool that is provided, the pond body that comprises insulation, its constructional feature is that the outer bottom at the bottom of the pond is provided with and base plate affixed at the bottom of the pond and that make of nonmagnetic substance, be intervally distributed with base plate cooling hole on the base plate, the upper port sealing in each base plate cooling hole is coated with the blind patch that is connected with base plate and makes of nonmagnetic substance, and the side of pond body is provided with the liquation import and the liquation that are communicated with the pond intracoelomic cavity and exports.
Above-mentioned pond body comprises shell and the thermal insulation layer affixed with outer casing inner wall, and base plate is the centre portions of the bottom surface or the shell bottom surface of shell.
In order to improve the heat insulation effect of agitation molten pool, be coated with the pond body cover plate of making and taking off with lagging material in the upper port sealing of pond body.
Guaranteeing under the prerequisite of base plate cooling hole to the base plate cooling, for easy to make, the shape in above-mentioned base plate cooling hole is curved rectangular in two ends.
In time discharge for the liquation that when blowing out is keeped in repair, will rest in the intracoelomic cavity of pond, prevent to be set in the inner chamber of pond body, be positioned at the weif orifice that intracoelomic cavity bottom position place, pond is provided with the belt switch valve at the pond body side surface.
Agitation molten pool provided by the utility model, during online the setting: the ground location between smelting furnace and degasifying device is provided with the pond body, specifically be earlier will be pre-processed and the shell that has an above-mentioned base arrangement be installed in ground location between smelting furnace and the degasifying device, fill in the enclosure again and the affixed thermal insulation layer of outer casing inner wall; Liquation ingress at the pond body is provided with the preceding chute that is communicated with smelting furnace; Liquation exit at the pond body is provided with the back chute that is communicated with degasifying device; Floor below at the bottom of the pond is installed permanent magnetic stirrer.
Above-mentioned smelting furnace comprises smelting furnace, holding furnace, alloying furnace or dual chamber furnace.
Agitation molten pool provided by the utility model, after online the setting, in smelting furnace, pass through the first liquation that stirs during work, flow into the inner chamber of agitation molten pool by preceding chute, carry out secondary stirring, the liquation after the secondary stirring flows into degasification in the degasifying device by the back chute.
Liquation carries out secondary stirring in agitation molten pool principle is: permanent magnetic stirrer has adopted by the high performance neodymium iron boron permanent magnet and the yoke of making of magnetically permeable material, the permanent magnetic that secondary yoke constitutes is, this permanent magnetic is to place in the non magnetic permanent magnet outer cover, magneticstrength is strong, under the drive of the frequency-adjustable speed-adjustable motor of controlling in operation sequence by programmable logic controller, alternately rotate and reverse, produce rotatingfield, the magnetic line of force of this rotatingfield enters the pond intracoelomic cavity at the bottom of passing base plate and pond, liquation in the intracoelomic cavity of pond is circled round rotate and roll, realize secondary stirring liquation.Selecting for use nonmagnetic substance to make the purpose of base plate, is can not constitute short circuit, the works better of assurance permanent magnetic stirrer to the N utmost point, the S utmost point in the permanent magnetic system for base plate when permanent magnetic stirrer work.When permanent magnetic ties up to high rotary speed working, the eddy current that rotatingfield produces on base plate can make the temperature of base plate be higher than 100 ℃, influence the work-ing life that permanent magnetic is, be intervally distributed with base plate cooling hole on the base plate, in order to reduce the eddy current that rotatingfield produces on base plate, reduce the temperature of base plate exactly.
Learn by above narration, the agitation molten pool that the utility model provides, its beneficial effect is: 1, do not destroy the structure of former smelting furnace and degasifying device, less investment is applicable to the technological transformation to old smelting furnace whipping appts; 2, little power consumption, the power of permanent magnetic stirrer is normally below 5KW, and power savings is remarkable; The temperature of base plate is lower than 100 ℃ when 3, working online, and only needs to adopt simple air cooling system and provision for thermal insulation on permanent magnetic stirrer, and the permanent magnetic that just can make permanent magnetic stirrer is in the environment that is operated in below 50 ℃, long service life, and failure rate is low.
Description of drawings
Embodiment of the present utility model is illustrated in conjunction with the accompanying drawings, wherein:
Fig. 1 is the structural representation of agitation molten pool;
Fig. 2 is the pond bottom structure synoptic diagram of agitation molten pool;
Fig. 3 is the A-A sectional view of Fig. 2;
Fig. 4 is the online synoptic diagram that is provided with of agitation molten pool;
Fig. 5 is the structural representation of permanent magnetic stirrer;
Fig. 6 is the vertical view of Fig. 5.
Among the figure: 1 is shell, and 2 is thermal insulation layer, and 3 is base plate, 4 are base plate cooling hole, and 5 is blind patch, and 6 is the liquation import, 7 are the liquation outlet, and 8 is pond body cover plate, and 9 is weif orifice, 10 is smelting furnace, and 11 is preceding chute, and 12 is the back chute, 13 is degasifying device, and 14 is permanent magnetic stirrer, and 15 is the cooling blower air outlet, 16 is nonmetal compound heat-insulation layer, and 17 is permanent magnet, and 18 is temperature sensor, 19 is yoke, and 20 is secondary yoke, and 21 is cooling blower, 22 is central shaft, and 23 is frame, and 24 is small pulley, 25 is the frequency-adjustable speed-adjustable motor, and 26 is road wheel, and 27 is transmission belt, 28 is big belt wheel, and 29 is non magnetic permanent magnet outer cover.
Embodiment
With reference to Fig. 1, Fig. 2 and Fig. 3, the described agitation molten pool of embodiment, comprise by shell 1 and the pond body that constitutes with the affixed thermal insulation layer 2 of shell 1 inwall, outer bottom at the bottom of the pond is provided with and base plate 3 affixed at the bottom of the pond and that make of nonmagnetic substance, base plate 3 is centre portionss of the bottom surface or shell 1 bottom surface of shell 1, that draw among the figure is the latter, be intervally distributed with a plurality of base plate coolings hole 4 on the base plate 3, three have been drawn among the figure, the shape in each base plate cooling hole 4 is curved rectangular in two ends, the upper port in each base plate cooling hole 4 is coated with the method sealing of welding and is connected with base plate 3 and with the blind patch 5 of nonmagnetic substance making, the side of pond body is provided with liquation import 6 and the liquation outlet 7 that is communicated with the pond intracoelomic cavity, the upper port sealing of pond body is coated with the pond body cover plate 8 of making and taking off with lagging material, and the pond body side surface is positioned at the weif orifice 9 that intracoelomic cavity bottom position place, pond is provided with the belt switch valve.
With reference to Fig. 4, this agitation molten pool, during online the setting: the ground location between smelting furnace 10 and degasifying device 13 is provided with the pond body, specifically be earlier will be pre-processed and the shell 1 that has an above-mentioned base arrangement be installed in ground location between smelting furnace 10 and the degasifying device 13, filling and the affixed thermal insulation layer 2 of shell 1 inwall in shell 1 again; Liquation import 6 places at the pond body are provided with the preceding chute 11 that is communicated with smelting furnace 10; Liquation at the pond body exports the back chute 12 that the setting of 7 places is communicated with degasifying device 13; Permanent magnetic stirrer 14 is installed below the base plate at the bottom of the pond 3.
Above-mentioned smelting furnace 10 comprises smelting furnace, holding furnace, alloying furnace or dual chamber furnace.
With reference to Fig. 5 and Fig. 6, permanent magnetic stirrer 14 comprises frame 23, it is overhanging that central shaft 22 passes frame 23 two ends, the upper end of central shaft 22 is by secondary yoke 20, yoke 19 is connected with polylith permanent magnet 17, these permanent magnets 17 are aplysia punctata uniformly at intervals, and the polarity of the end in the same way of two adjacent permanent magnets 17 is opposite, every permanent magnet 17 is neodymium iron boron permanent magnets, these neodymium iron boron permanent magnets are arranged in the inner chamber that is fixed in the non magnetic permanent magnet outer cover 29 on the frame 23, temperature sensor 18 is housed on the side of non magnetic permanent magnet outer cover 29, end face is provided with nonmetal compound heat-insulation layer 16, on non magnetic permanent magnet outer cover 29, cooling blower 21 is housed, the lower end of central shaft 22 is connected with big belt wheel 28, big belt wheel 28 is connected with small pulley 24 by transmission belt 27, small pulley 24 is fixed in the rotating shaft of frequency-adjustable speed-adjustable motor 25, frequency-adjustable speed-adjustable motor 25 is controlled realization in operation sequence by the programmable logic controller in the housing and is alternately rotated and reverse, and by small pulley 24, transmission belt 27, big belt wheel 28, central shaft 22 drives polylith permanent magnet 17 and synchronously rotates and reverse, produce rotatingfield, the magnetic line of force of this rotatingfield enters the pond intracoelomic cavity at the bottom of passing base plate 3 and pond, liquation in the intracoelomic cavity of pond is circled round rotate and roll, realize secondary stirring liquation.
Claims (5)
1. agitation molten pool, the pond body that comprises insulation, it is characterized in that outer bottom at the bottom of the pond is provided with and base plate (3) affixed at the bottom of the pond and that make of nonmagnetic substance, be intervally distributed with base plate cooling hole (4) on the base plate (3), the upper port sealing in each base plate cooling hole (4) is coated with and is connected with base plate (3) and with the blind patch (5) of nonmagnetic substance making, the side of pond body is provided with the liquation import (6) and the liquation that are communicated with the pond intracoelomic cavity and exports (7).
2. agitation molten pool according to claim 1 is characterized in that the pond body comprises shell (1) and the thermal insulation layer (2) affixed with shell (1) inwall, and base plate (3) is the centre portions of the bottom surface or shell (1) bottom surface of shell (1).
3. agitation molten pool according to claim 1 and 2 is characterized in that being coated with the pond body cover plate (8) of making and taking off with lagging material in the upper port sealing of pond body.
4. agitation molten pool according to claim 1, the shape that it is characterized in that base plate cooling hole (4) are curved rectangular in two ends.
5. agitation molten pool according to claim 1 and 2 is characterized in that being positioned at the weif orifice (9) that intracoelomic cavity bottom position place, pond is provided with the belt switch valve at the pond body side surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200251522U CN201080491Y (en) | 2007-07-10 | 2007-07-10 | Agitating molten pool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200251522U CN201080491Y (en) | 2007-07-10 | 2007-07-10 | Agitating molten pool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201080491Y true CN201080491Y (en) | 2008-07-02 |
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ID=39614169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200251522U Expired - Lifetime CN201080491Y (en) | 2007-07-10 | 2007-07-10 | Agitating molten pool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201080491Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110591734A (en) * | 2019-10-25 | 2019-12-20 | 安徽马钢化工能源科技有限公司 | Novel inorganic nonmetal fire observation hole cover of coke oven combustion chamber containing metal framework |
-
2007
- 2007-07-10 CN CNU2007200251522U patent/CN201080491Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110591734A (en) * | 2019-10-25 | 2019-12-20 | 安徽马钢化工能源科技有限公司 | Novel inorganic nonmetal fire observation hole cover of coke oven combustion chamber containing metal framework |
| CN110591734B (en) * | 2019-10-25 | 2024-03-01 | 安徽马钢化工能源科技有限公司 | Novel inorganic nonmetal coke oven combustion chamber fire-hole cover containing metal framework |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20070710 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |