CN2839296Y - Steel-smelting furnace - Google Patents
Steel-smelting furnace Download PDFInfo
- Publication number
- CN2839296Y CN2839296Y CNU2005200130995U CN200520013099U CN2839296Y CN 2839296 Y CN2839296 Y CN 2839296Y CN U2005200130995 U CNU2005200130995 U CN U2005200130995U CN 200520013099 U CN200520013099 U CN 200520013099U CN 2839296 Y CN2839296 Y CN 2839296Y
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- CN
- China
- Prior art keywords
- heater
- steel
- electric motors
- linear electric
- furnace body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000003723 Smelting Methods 0.000 title abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 230000000694 effects Effects 0.000 claims abstract description 9
- 238000009628 steelmaking Methods 0.000 claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000010079 rubber tapping Methods 0.000 abstract description 22
- 239000002893 slag Substances 0.000 abstract description 17
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000000750 progressive effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000009351 contact transmission Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The utility model relates to a steel smelting furnace, which comprises a furnace body (1), wherein the side wall of the furnace body (1) is provided with a tapping hole (12) and a slag hole (11). The utility model is characterized in that the position adjacent to the outer wall of the furnace body (1) outside the furnace body (1) is provided with a linear motor capable of generating progressive wave magnetic force; the linear motor is extended to the position of the tapping hole (12) of the furnace body (1) from the direction of the position of the bottom part of the furnace body (1), and the part of the linear motor corresponding to the position of the tapping hole (12) of the furnace body (1) forms an arc shape which is extended towards the direction away from the tapping hole (12) of the furnace body. The utility model changes converter tapping into a fixing furnace magnetic force tapping, so that the ideal effect of tapping is achieved. The utility model has the advantages that the utility model largely reduce the investment of equipment caused by that a converter gearing and a steel shell structure are not required, the loss of mechanical friction is almost zero caused by that the linear motor can realize contactless force transference, the failure of the furnace is less, the maintenance is omitted, the service life is long and the purity of steel is enhanced caused by that steel slag has no electromagnetic force so that the steel slag can not be got into a ladle by the push of magnetic force.
Description
Technical field
The utility model relates to metallurgical steelmaking technical field, especially refers to a kind of steel-making stove.
Background technology
Present steel melting furnace adopts converter basically, and these converters mainly comprise furnace shell, the transmission apparatus of tumbling, refractory materials and off-set facility, and its facility investment is big, safeguards and the maintenance cost height, thereby is restricting the expansion of throughput.In the converter tapping process, when the quality, the especially external refining that how much are directly determining steel quality of the following quantity of slag and converter smelting high-quality steel,, in tapping, should reduce slag content as far as possible for obtaining purer steel.The technology that converter current blocks slag tapping has more, and as adopting slag-blocking ball, slag stop cone or gas pushing off the slag etc., but the result is undesirable, and above-mentioned pushing off the slag tapping technology also exists the cost height, shortcomings such as inconvenient operation.Existing a kind of patent No. is 00129339.7 Chinese invention patent, wants to improve in converter the tapping effect equally, and not from change the mode of converter tapping at all, so its effect is still undesirable.
Summary of the invention
Technical problem to be solved in the utility model is that a kind of steel-making stove that utilizes magnetic force to realize directed tapping is provided at above-mentioned prior art present situation, it can improve tapping purity not to the utmost effectively, and can also reduce the cost of manufacture of facility significantly, prolong the work-ing life of steel-making stove.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: this steel-making stove, include body of heater, on sidewall of the furnace body, have tap hole and scum hole, it is characterized in that contiguous furnace body outer wall place is provided with the linear electric motors that can produce row ripple magnetic force outside described body of heater, described linear electric motors extend to the tap hole position of body of heater from the bottom of furnace body locality, and linear electric motors are the arc shape that extends towards away from the direction of body of heater tap hole at the position of the tap hole position of corresponding body of heater.
Described linear electric motors are lined with the heat-resisting protective material in the side in the face of body of heater at least.
Above-mentioned linear electric motors include the coil and the adjusting parameter instrument that can produce travelling-magnetic-field, and described coil is connected with the adjusting parameter instrument with power supply by lead.
Above-mentioned body of heater is at the little linear electric motors that also can be distributed with the effect of oscillates iron and steel water on the outer side wall between tap hole and the furnace bottom, and little linear electric motors are linked to each other with power supply by lead, and also are lined with the heat-resisting protective material between linear electric motors and furnace body outer wall.Described little linear electric motors can be preferably four, and adhere in equally distributed mode on the outer side wall of body of heater middle and lower part.
As improvement, described scum hole can design spiral through hole.
As further improvement, described body of heater can be arranged in the framework, and this framework can be formed by beam, post, support bar with the suitable base of body of heater.
Compared with prior art, the utility model changes converter tapping and taps and reach the ideal effect of tapping for deciding stove magnetic force.Its advantage is the first, and the utility model does not need converter transmission mechanism and box hat structure, thereby reduces the investment of equipment significantly, so that has reduced the production cost of this facility, and striving unexpectedly for the price on the market provides favourable basis; Second, help expanding production capacity, the factor of decision converter smelting ability mainly comprises: heat size, body of heater tumble that ability, oxygen are pressed, support equipment ability and the energy allow, and the utility model can enlarge the power of body of heater and raising motor easily, and only use expense seldom can reach the purpose of desirable expanded reproduction; The 3rd, the overhaul of the equipments time can be reduced effectively, permitted 10-15 days for annual, this is the servicing time in year under the normal converter situation, because the linear electric motors as main tapping equipment can be realized non contact transmission power, the mechanical friction loss is almost nil, so few, the maintenance free of stove fault of the present utility model, therefore not only safety but also reliable and long service life of work; The 4th, can easier realization top and bottom complex blowing, the technology of induction stirring, motionless because of body of heater, reduced the adapter difficulty, reduced and carried rifle time and grate time, add function composite by electromagnetic stirring, can improve smelting quality greatly; The 5th, the problem of band slag when helping solving tapping, the purity of raising steel, this is because slag is nonmagnetic, can not enter ladle under electromagnetic force promotes; The 6th, the utility model steel-making stove can be tapped owing to not rotating stove, thereby the overall volume of having dwindled stove widely can make the whole 6-10 of reduction of mill construction rice, not only reduces expense but also reduce difficulty of construction.So the utility model is a kind of very ideal product, is worthy of popularization.
Description of drawings
Fig. 1 is the sectional view of the utility model embodiment;
Fig. 2 is the synoptic diagram of Fig. 1 when tapping;
Fig. 3 is the sectional view of A-A line among Fig. 1;
Fig. 4 is the synoptic diagram of the molten steel among Fig. 1 when vibrating under magneticaction;
Fig. 5 is the framework sectional view that is used for fixing the present embodiment body of heater;
Fig. 6 is the sectional view of B-B line among Fig. 5.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Extremely shown in Figure 6 as Fig. 1; present embodiment includes body of heater 1; on body of heater 1, have tap hole 12; described tap hole 12 its belows and be positioned on the outer wall of body of heater 1 and be fixed with the linear electric motors that can produce capable ripple magnetic force; see Fig. 1, Fig. 2 and shown in Figure 3; these linear electric motors include the coil 2 and the adjusting parameter instrument that can produce travelling-magnetic-field, and are lined with heat-resisting protective material 3 in the bearing of linear electric motors and body of heater 1.Its structural distortion becomes outward extending arc shape 21 when linear electric motors extend to tap hole 12 positions of body of heater 1, see illustrated in figures 1 and 2ly, linear electric motors link to each other with power supply by lead, have scum hole 11 on described body of heater 1 sidewall, see shown in Figure 3, these scum hole 11 spiral through holes.Also be distributed with the little linear electric motors 4 of oscillates iron and steel water effect at described body of heater 1 on the outer side wall between tap hole 12 and the furnace bottom, little linear electric motors 4 are linked to each other with power supply by lead, and also are lined with heat-resisting protective material 3 between linear electric motors and body of heater 1 outer wall.Described little linear electric motors 4 have four, and adhere in equally distributed mode on the outer side wall of body of heater 1 middle and lower part.Described body of heater 1 is arranged in the framework 5, and this framework 5 is formed by beam 51, post 50, support bar 52 with the suitable base 53 of body of heater 1, sees shown in Figure 5.
Principle of the present utility model and operate as follows:
The utility model is made up of framework, body of heater and off-set facility, framework adopts common high temperature steel tendon concrete structure, select stainless steel rebar for use, thermal stability≤600 ℃, the shape of framework, with short and stout be good, also can become other shapes certainly according to the body of heater Capacity design, but close proximity to ground also can partly descend, and is not less than the ladle height with the body of heater tap hole and is advisable.Its objective is to guarantee that body of heater intensity can be born the weight of molten steel and the impact when smelting, can calculate by specialty.The following part frame sidewall of frame foundation base and molten steel all will carry out consolidation process, and described framework is by two groups of beams, four groups of posts and organize support bar and cylinder shape pier is formed more, sees shown in Figure 5.
Described body of heater adopts heat-stable material directly to build by laying bricks or stones in framework and forms, material, thickness and form are all approximate with converter, outside the stove, four linear electric motors are being installed between tap hole and furnace bottom, these linear electric motors, power can be used motor less than tapping, and ordering parameter makes it play the effect of induction stirring.When molten steel smelt qualified and slag tap finish after, start linear electric motors, when three phase windings feed exchange current, promptly produce travelling-magnetic-field, the molten steel that is arranged in travelling-magnetic-field induces electric current because of cutting magnetic line, electric current and magnetic field interaction just produce electromagnetic force.This electromagnetic force promotes molten steel prolongs the furnace wall and flows fast to tap hole, and when molten steel arrives the tap hole place, linear electric motors become arc and stretch out (on cover the protection heat-stable material), and guide molten steel enters ladle, reaches the tapping purpose.Its both sides of described tap hole can be extended to ellipse, so that add hot metal charging and other auxiliary materials in stove.Because the body of heater of same smelting ability, the height of slag 6 liquid levels and molten steel face is constant substantially, therefore can between slag 6 and molten steel face, have scum hole in the outside, furnace wall, scum hole place part furnace wall is tangentially built by laying bricks or stones, so that play shock absorption before slag 6 liquid are come out of the stove, the outside slag removal machine (molding device) that uses does not all go out when slagging tap only at every turn fully, allows residual slag 6 liquid solidify and seals scum hole voluntarily, fire resisting door can be established in the outside, plays sealing process jointly.Other structures and off-set facility, smelting technology are basic identical with converter smelting, and its smelting process is: add molten iron, raw material from tap hole, and--blowing--slagging tap--is tapped.
Claims (7)
1, a kind of steel-making stove, include body of heater (1), on body of heater (1) sidewall, have tap hole (12) and scum hole (11), it is characterized in that contiguous body of heater (1) outer wall place is provided with the linear electric motors that can produce row ripple magnetic force outside described body of heater (1), described linear electric motors extend to tap hole (12) position of body of heater (1) from body of heater (1) bottom position direction, and linear electric motors are the arc shape that extends towards away from body of heater tap hole (12) direction at the position of tap hole (12) position of corresponding body of heater (1).
2,, it is characterized in that described linear electric motors are lined with heat-resisting protective material (3) in the side in the face of body of heater (1) at least according to the described steel-making stove of claim 1.
3, according to the described steel-making stove of claim 2, it is characterized in that described linear electric motors include the coil (2) and the adjusting parameter instrument that can produce travelling-magnetic-field, described coil (2) is connected with the adjusting parameter instrument with power supply by lead.
4, according to the described steel-making stove of claim 3; it is characterized in that described body of heater (1) also is distributed with the little linear electric motors (4) of oscillates iron and steel water effect on the outer side wall that is positioned between tap hole (12) and the furnace bottom; little linear electric motors (4) are linked to each other with power supply by lead, and also are lined with heat-resisting protective material (3) between linear electric motors and body of heater (1) outer wall.
5,, it is characterized in that the little linear electric motors (4) of described oscillates iron and steel water effect have four, and adhere in equally distributed mode on the outer side wall of body of heater (1) middle and lower part according to the described steel-making stove of claim 4.
6, according to arbitrary described steel-making stove in the claim 1 to 5, it is characterized in that the spiral through hole of described scum hole (11).
7, according to arbitrary described steel-making stove in the claim 1 to 5, it is characterized in that described body of heater (1) is arranged in the framework (5), this framework (5) is formed by beam (51), post (50), support bar (52) with the suitable base (53) of body of heater (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200130995U CN2839296Y (en) | 2005-07-08 | 2005-07-08 | Steel-smelting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200130995U CN2839296Y (en) | 2005-07-08 | 2005-07-08 | Steel-smelting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2839296Y true CN2839296Y (en) | 2006-11-22 |
Family
ID=37427281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200130995U Expired - Fee Related CN2839296Y (en) | 2005-07-08 | 2005-07-08 | Steel-smelting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2839296Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185460A (en) * | 2011-12-27 | 2013-07-03 | 衡阳镭目科技有限责任公司 | Slag guide method and system of steelmaking furnace |
-
2005
- 2005-07-08 CN CNU2005200130995U patent/CN2839296Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185460A (en) * | 2011-12-27 | 2013-07-03 | 衡阳镭目科技有限责任公司 | Slag guide method and system of steelmaking furnace |
| CN103185460B (en) * | 2011-12-27 | 2015-11-11 | 衡阳镭目科技有限责任公司 | Slag method and system led by a kind of converter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NINGBO IRON AND STEEL CO. Free format text: FORMER OWNER: YANG JIXIN Effective date: 20080912 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080912 Address after: No. two, No. 168 Lingang Road, Beilun District, Ningbo, Zhejiang Province, 315807, Xiapu Patentee after: Ningbo Iron & Steel Co., Ltd. Address before: 8#103, Furong house, Beilun District, Zhejiang, Ningbo Province, 315800 Patentee before: Yang Jixin |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061122 Termination date: 20110708 |