CN203429198U - Portable charging LF (ladle furnace) - Google Patents
Portable charging LF (ladle furnace) Download PDFInfo
- Publication number
- CN203429198U CN203429198U CN201320511564.2U CN201320511564U CN203429198U CN 203429198 U CN203429198 U CN 203429198U CN 201320511564 U CN201320511564 U CN 201320511564U CN 203429198 U CN203429198 U CN 203429198U
- Authority
- CN
- China
- Prior art keywords
- portable
- loading hopper
- portable charging
- ladle
- opening surface
- 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
Links
- 238000009847 ladle furnace Methods 0.000 title abstract description 20
- 239000000956 alloy Substances 0.000 claims abstract description 12
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 9
- 238000007664 blowing Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000000463 material Substances 0.000 abstract description 15
- 229910000831 Steel Inorganic materials 0.000 abstract description 13
- 239000010959 steel Substances 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract 1
- 239000002893 slag Substances 0.000 description 6
- 239000005997 Calcium carbide Substances 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 4
- 235000011941 Tilia x europaea Nutrition 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000004571 lime Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000002829 reductive effect Effects 0.000 description 4
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 206010053615 Thermal burn Diseases 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The utility model discloses a portable charging LF (ladle furnace). A furnace body is a steel ladle with an air-blowing device, wherein the steel ladle is fixed on a buggy ladle; a water-cooled furnace lid is arranged on the furnace body; an alloy hopper and a main furnace door are arranged on the lateral wall of the water-cooled furnace lid; a furnace lid is arranged on the main furnace door; a portable charging hopper is arranged on the opposite side of the main furnace door; the bottom end of the portable charging hopper is fixed together with the water-cooled furnace lid; the portable charging hopper inclines upwards, and forms a 30-degree angle together with a horizontal direction; the portable charging hopper forms a long cylindrical shape; a cover board is arranged on the opening surface of the portable charging hopper; the cover board is connected with the portable charging hopper via a hinge. The portable charging LF is compact in structure; an auxiliary material is charged from the portable charging hopper; molten steel is effectively prevented from splashing out; the safety of production is improved; the situation that the auxiliary material scatters in a workshop to cause environmental pollution of the workshop can be avoided.
Description
Technical field
The utility model relates to a kind of portable reinforced LF stove, and it is can reduce auxiliary material to be scattered, and avoids molten steel to splash out, and the LF stove that can keep the safety in production, belongs to mechanical field.
Background technology
LF (Ladle Furnace) stove is the refining unit growing up in Japan at the initial stage seventies.Because its equipment is simple, investment cost is low, and flexible operation and refining effect are good and become the up-and-coming youngster of metallurgy industry, be widely used and develop in the whole world.LF ladle furnace is as a kind of efficient secondary refining means, by electric-arc heating, make the means such as reducing slag and argon bottom-blowing stirring, with the object that reaches desulfurization rapidly, even molten steel composition, temperature and effectively remove steel inclusion, aspect Clean Steel smelting, bringing into play great function.
It is its most important production stage that the LF stove smelting initial stage is made reductibility white slag, and domestic LF stove needs to add slag material to comprise lime (CaO), reductive agent, calcium carbide (CaC in smelting
2), aluminum shot (Al) etc.Except lime from feed bin by belt-conveying to ladle alloy hopper adds, other balk cargo is as reductive agent, calcium carbide (CaC
2), aluminum shot (Al) etc. must add by stove gate (length and width are 200*200mm), this stove gate also has the function of thermometric sampling concurrently simultaneously.Because these balk cargos need to add by fire door when the electrically heated of LF stove, the violent easily generation of now molten steel reaction splash, as now opened side charge, operator are easy to be burned, again because stove gate is less and angle has problem, often a lot of balk cargo short period of time are difficult for adding accurately stove gate, are scattered on the ground and cause waste, on-the-spot environment are also polluted simultaneously.
Summary of the invention
In order to solve the problem of above-mentioned existence, the utility model discloses a kind of portable reinforced LF stove, realize the production of LF stove safety, saving, environmental protection, realize LF stove and normally produce.
A kind of portable reinforced LF stove, comprise body of heater, body of heater be one with the ladle of blowing device, ladle is fixed on buggy ladle, above body of heater, be provided with water cooled cover, water cooled cover sidewall is provided with alloy hopper and main fire door, main fire door is provided with bell, the opposite side of main fire door is provided with portable loading hopper, and bottom and the water cooled cover of portable loading hopper are fixed, and portable loading hopper is inclined upwardly, be 30 ° of angles with horizontal direction, portable loading hopper is long barrel shape, and portable loading hopper opening surface is greater than cross section, the whole body, and the opening surface of portable loading hopper is provided with cover plate.
Described portable loading hopper length is 1000mm ~ 1500mm, and the parallel opening surface that extends to below of portable loading hopper, extends in parallel the position near opening surface above portable loading hopper, be inclined upwardly, and has increased opening surface.
One side of described cover plate is connected with the side wall hinge of opening surface, and cover plate is around hinge Unscrew or close.
Described main fire door and portable loading hopper side are equipped with operator's console.
The utility model, during use, alloy material joins ladle from alloy hopper, and lime also joins ladle from alloy hopper, and electrifying electrodes heats up, and the material in hot melt ladle, simultaneously by reductive agent, calcium carbide (CaC
2), the auxiliary material such as aluminum shot (Al), from portable loading hopper, add the shape of portable loading hopper and size, make auxiliary material seldom be scattered out, and the molten steel in ladle can not splash out, avoid auxiliary material waste, also avoid molten steel to spill and hurt sb.'s feelings, improved the security of operation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model,
Fig. 2 be A in Fig. 1 to view,
Reference numerals list: 1-buggy ladle, 2-body of heater, 3-bell, 4-main fire door, 5-alloy hopper, 6-electrode, 8-water cooled cover, 9-opening surface, 10-cover plate, 11-operator's console, 12-ladle, 13-portable loading hopper.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model.Should understand following embodiment and only for the utility model is described, be not used in restriction scope of the present utility model.It should be noted that, word 'fornt', 'back', " left side ", " right side ", "up" and "down" that use is described below refer to the direction in accompanying drawing, and word " interior " and " outward " refer to respectively the direction towards or away from specific features geometric centre.
Visible by reference to the accompanying drawings, a kind of portable reinforced LF stove, comprise body of heater 2, body of heater 2 be one with the ladle 12 of blowing device, ladle 12 is fixed on buggy ladle 1, body of heater 2 is provided with water cooled cover 8 above, water cooled cover 8 sidewalls are provided with alloy hopper 5 and main fire door 4, main fire door 4 is provided with bell 3, the opposite side of main fire door 4 is provided with portable loading hopper 13, the bottom of portable loading hopper 13 and water cooled cover 8 are fixing, portable loading hopper 13 is inclined upwardly, be 30 ° of angles with horizontal direction, portable loading hopper 13 is long barrel shape, portable loading hopper 13 opening surfaces 9 are greater than cross section, the whole body, the opening surface 9 of portable loading hopper 13 is provided with cover plate 10.The utility model, alloy material and lime join ladle 12 from alloy hopper 5, electrode 6 energising heating and melting alloy material and lime, the in the situation that of electrode 6 energising, reductive agent, calcium carbide (CaC
2), the auxiliary material such as aluminum shot (Al), from portable loading hopper 13, add ladle 12, portable loading hopper 13 is inclined upwardly, avoid molten steel splash in ladle 12 out, the opening surface of portable loading hopper 13 is larger, effectively avoids auxiliary material in adition process, be scattering into ground, avoid polluting surrounding environment.
Described portable loading hopper 13 length are 1000mm ~ 1500mm, as shown in Figure 2, whole body cross section and the opening surface 9 of portable loading hopper 13 are square, the whole body cross section of portable loading hopper 13 and opening surface 9 can be also circular or other shapes, the parallel opening surface 9 that extends to below of portable loading hopper 13, above portable loading hopper 13, extend in parallel the position near opening surface 9, be inclined upwardly, increased the area of opening surface 9.The cross section of portable loading hopper 13 is square, entirely extends to opening surface 9 below, and auxiliary material glides fast by it, avoids auxiliary material to stop up, and processing and fabricating is convenient, portable sizing material 13 length all make molten steel can not splash out.
One side of described cover plate 10 is connected with the side wall hinge of opening surface 9, and cover plate 10 is around hinge Unscrew or close.Chain connection can or be closed by hinge Unscrew cover plate 10, when reinforced, opens cover plate 10, and reinforced front and back are all closed cover plate 10, cover on opening surface 9, avoid external environment to affect ladle 12 internal mediums.In the main fire door 4 of inoperation, bell 3 is in closing condition, and while measuring temperature, bell 3 is opened.
Described main fire door 4 and portable loading hopper 13 sides are equipped with operator's console 11.Temperature detection or when reinforced, operator's console 11 all can be used for putting necessary monitoring equipment or auxiliary material.
The utility model, according to 2 kilograms of slag charges in bulk of ton steel, every stove waste slag charge 10% calculates, and a steelworks of producing 5000000 tons per year is saved slag material 5*10
6* 2*0.1 kilogram=1*10
6kilogram, reduce expenses and be about 100 tons * 1500 yuan/ton=150,000 yuan; Annual minimizing scald accident is at least tens of; The harm of annual minimizing bulk cargo dust to people, plays effective effect to environment protection.
The disclosed technique means of the utility model scheme is not limited only to the disclosed technique means of above-mentioned technique means, also comprises the technical scheme being comprised of above technical characterictic arbitrary combination.
Claims (4)
1. a portable reinforced LF stove, it is characterized in that comprising body of heater, body of heater be one with the ladle of blowing device, ladle is fixed on buggy ladle, above body of heater, be provided with water cooled cover, water cooled cover sidewall is provided with alloy hopper and main fire door, main fire door is provided with bell, the opposite side of main fire door is provided with portable loading hopper, and bottom and the water cooled cover of portable loading hopper are fixed, and portable loading hopper is inclined upwardly, be 30 ° of angles with horizontal direction, portable loading hopper is long barrel shape, and portable loading hopper opening surface is greater than cross section, the whole body, and the opening surface of portable loading hopper is provided with cover plate.
2. a kind of portable reinforced LF stove according to claim 1, it is characterized in that described portable loading hopper length is 1000mm ~ 1500mm, the parallel opening surface that extends to below of portable loading hopper, extends in parallel the position near opening surface above portable loading hopper, be inclined upwardly, increased opening surface.
3. a kind of portable reinforced LF stove according to claim 1, is characterized in that a side of described cover plate is connected with the side wall hinge of opening surface, and cover plate is around hinge Unscrew or close.
4. a kind of portable reinforced LF stove according to claim 1, is characterized in that described main fire door and portable loading hopper side are equipped with operator's console.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320511564.2U CN203429198U (en) | 2013-08-21 | 2013-08-21 | Portable charging LF (ladle furnace) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320511564.2U CN203429198U (en) | 2013-08-21 | 2013-08-21 | Portable charging LF (ladle furnace) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203429198U true CN203429198U (en) | 2014-02-12 |
Family
ID=50058248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320511564.2U Expired - Fee Related CN203429198U (en) | 2013-08-21 | 2013-08-21 | Portable charging LF (ladle furnace) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203429198U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103451363A (en) * | 2013-08-21 | 2013-12-18 | 番禺珠江钢管（连云港）有限公司 | Portable feeding LF (ladle furnace) |
| CN105219917A (en) * | 2014-06-11 | 2016-01-06 | 鞍钢股份有限公司 | Alloy Adding Device and Method for Non-vacuum Induction Furnace |
-
2013
- 2013-08-21 CN CN201320511564.2U patent/CN203429198U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103451363A (en) * | 2013-08-21 | 2013-12-18 | 番禺珠江钢管（连云港）有限公司 | Portable feeding LF (ladle furnace) |
| CN103451363B (en) * | 2013-08-21 | 2015-11-25 | 番禺珠江钢管（连云港）有限公司 | A kind of portable reinforced LF stove |
| CN105219917A (en) * | 2014-06-11 | 2016-01-06 | 鞍钢股份有限公司 | Alloy Adding Device and Method for Non-vacuum Induction Furnace |
| CN105219917B (en) * | 2014-06-11 | 2018-02-27 | 鞍钢股份有限公司 | Alloy Adding Device and Method for Non-vacuum Induction Furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20140212 Termination date: 20170821 |