CN203754752U - Oxygen lance slag scraper capable of realizing secondary slag scraping - Google Patents
Oxygen lance slag scraper capable of realizing secondary slag scraping Download PDFInfo
- Publication number
- CN203754752U CN203754752U CN201420082450.5U CN201420082450U CN203754752U CN 203754752 U CN203754752 U CN 203754752U CN 201420082450 U CN201420082450 U CN 201420082450U CN 203754752 U CN203754752 U CN 203754752U
- Authority
- CN
- China
- Prior art keywords
- slag
- dreg scraping
- oxygen lance
- scraping head
- oxygen
- 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 - Lifetime
Links
- 238000007790 scraping Methods 0.000 title claims abstract description 153
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 119
- 239000001301 oxygen Substances 0.000 title claims abstract description 119
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 119
- 239000002893 slag Substances 0.000 title claims abstract description 114
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract 1
- 238000007664 blowing Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000006392 deoxygenation reaction Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The utility model discloses an oxygen lance slag scraper capable of realizing secondary slag scraping, and mainly aims at providing an oxygen lance slag scraper which can be used for carrying out secondary slag scraping to effectively scrape off steel slag on the outer wall of an oxygen lance. The oxygen lance slag scraper at least comprises two slag scraping head groups which are symmetrically arranged, wherein each slag scraping head group comprises a plurality of primary slag scraping heads for carrying out primary slag scraping onto steel slag on the outer wall of the oxygen lance and at least one secondary slag scraping head for carrying out secondary slag scraping onto the steel slag on the outer wall of the oxygen lance; a distance between the primary slag scraping heads and the outer wall of the oxygen lance is greater than a distance between the secondary slag scraping head and the outer wall of the oxygen lance; moreover, face-to-face motion or back-to-back motion of the two slag scraping head groups is controlled by a transmission system. The oxygen lance slag scraper disclosed by the utility model adopts two slag scraping heads to carry out slag scraping twice, so that not only can steel slag be effectively scraped off, but also the defect that the same slag scraping head bears different steel slag can be avoided, and therefore, slag scraping pressure is effectively reduced, and a steel wire rope for lifting the oxygen lance is further protected. Besides, the transmission system is simple in structure and convenient to install and maintain.
Description
Technical field
The utility model relates to a kind of Dreg Scraping Device of Oxygen Lance, especially a kind ofly realizes the Dreg Scraping Device of Oxygen Lance that secondary is scraped slag.
Background technology
Oxygen rifle is one of key equipment of converter steelmaking, and it is being undertaken while blowing to nitrogen flushing in the bath lancing in converter and the backward converter of finishing blowing and is carrying out slag splashing with the task of protection furnace lining.Oxygen rifle inevitably can adhere to slag in blowing and slag splashing process on oxygen rifle outer layer pipe, if not in time slag is struck off, along with smelting the increase of number of times, the slag adhering on oxygen rifle outer layer pipe is more and more thick, when serious, can make the normally lifting of oxygen rifle.If imperative operation will burn oxygen rifle lifting motor or break wireline, at this moment the oxygen rifle of dry slag can only be cut off with torch-cutting machine, remove the oxygen rifle being cut off, more renew oxygen rifle.Therefore cause greatly reduce the work-ing life of oxygen rifle, not only increased the cost depletions of oxygen rifle, and frequent burning torch, change the continuity that rifle has destroyed STEELMAKING PRODUCTION, increased workman's labour intensity.
At present, oxygen rifle slag manner of cleaning up has two kinds of labor cleaning and automatic scraping slags:
While adopting labor cleaning's mode to clear up the slag adhering on oxygen rifle, work under bad environment not only, labour intensity is large, and can only when stopping producing, just can carry out, time-consuming, inefficiency.
Existing automatic scraping slag equipment, it scrapes slag principle is consistent substantially, all when bessemerizing or the complete oxygen rifle of slag splashing proposes oxygen muzzle, the air control unit of Dreg Scraping Device of Oxygen Lance drives two mechanical arms in left and right, make the U-shaped or semi-circular dregs scraper cutter head of mechanical arm close up the oxygen rifle that holds around adhesion slag, when oxygen rifle promotes, dregs scraper cutter head starts scraping and adheres to the slag on oxygen rifle.Yet the complicacy of oxygen rifle operation must cause on oxygen rifle slag mixed sticky, sometimes or even one deck steel one deck slag, run into this kind of situation, existing Dreg Scraping Device of Oxygen Lance is difficult to wipe off the slag that oxygen rifle adheres to.
Current automatic scraping slag equipment has two kinds, as shown in Figure 1, dregs scraper cutter head is pushed or be pulled away to its mechanical arm to oxygen rifle by the horizontal push-and-pull of cylinder, the dregs scraper of this structure is when dry slag is serious, oxygen rifle upwards promotes in the time of cannot wiping the slag on oxygen rifle off, the cutter head of dregs scraper can not retreat, can cause like this two kinds of consequences below: the one, when fixedly the screw of dregs scraper or straight pin are broken, dregs scraper separates with oxygen rifle, the 2nd, oxygen rifle lifting gear is drawn bad, and when serious, oxygen rifle wireline is broken the serious safety equipment accident that causes oxygen rifle to fall.Another kind is self protective type oxygen gun slag scraper, as shown in Figure 2, the Dreg Scraping Device of Oxygen Lance of this structure is when oxygen rifle dry slag is serious, oxygen rifle upwards promotes and cannot wipe slag off time, when the moment that oxygen rifle promotes dregs scraper cutter head is greater than the moment that the cylinder pressure of mechanical arm one end of dregs scraper produces, dregs scraper cutter will slide at oxygen rifle slag face, and can not break throwing rope, but can not wipe the slag adhering on oxygen rifle off.
Hence one can see that, during the mixed sticky or one deck steel one deck slag of current auto-rid-slag scraper slag on running into oxygen rifle, cannot effectively scrape the slag adhering on deoxygenation rifle, affected the normal work of oxygen rifle, even can cause serious security incident.
Utility model content
For the problems referred to above, the utility model provides a kind of to carry out secondary to oxygen rifle and scrapes slag, and the secondary realized effectively the slag on oxygen rifle being struck off is scraped the Dreg Scraping Device of Oxygen Lance of slag.
For achieving the above object, the utility model can be realized the Dreg Scraping Device of Oxygen Lance that secondary is scraped slag, at least comprise two symmetrically arranged dreg scraping head groups, described in each, dreg scraping head group includes to the slag on oxygen rifle outer wall is once scraped some dreg scraping heads of slag and the slag on oxygen rifle outer wall is carried out at least one secondary dreg scraping head that secondary is scraped slag, and the distance between a wherein said dreg scraping head and described oxygen rifle outer wall is greater than the distance between described secondary dreg scraping head and described oxygen rifle outer wall.
Further, described Dreg Scraping Device of Oxygen Lance also comprise control two described in dreg scraping head group in opposite directions or the transmission system of opposing motion, when wherein said dregs scraper is scraped slag to oxygen rifle, described transmission system control two described in dreg scraping head group move toward one another; Described dregs scraper completes while scraping slag oxygen rifle, described transmission system control two described in the opposing motion of dreg scraping head group.
Further, described transmission system is symmetrical structure, comprise two supports that be arranged in parallel, be separately positioned on the rail plate on support described in two, be separately fixed at two anchors at the both ends of described two stands, be separately fixed at the first bearing of two on anchor described in two, two link spans that are connected by bearing pin with described two first bearings respectively, two connecting rods that are connected by bearing pin with described two link spans respectively, two cylinders that are connected by bearing pin with described two link spans respectively, wherein said two cylinders are separately positioned on two cylinder blocks, the air control unit that moves through of described cylinder is controlled, two second bearings that are connected by bearing pin with described two connecting rods respectively, two wheel brackets that are fixedly connected with described two second bearings respectively, wherein said wheel bracket is the body structure that steel plate forms, on the two sides that described body structure contacts with described two stands, be respectively provided to few two described guide wheels, described guide wheel slides on described rail plate, described two dreg scraping head groups be separately positioned on described transmission system two described on two wheel brackets.
Further, described in each, dreg scraping head group includes two described dreg scraping heads and a described secondary dreg scraping head, a described dreg scraping head is carbide bit, when described Dreg Scraping Device of Oxygen Lance is scraped slag, four described dreg scraping heads distribute symmetrically centered by oxygen rifle, and the surface of the corresponding oxygen rifle of described secondary dreg scraping head outer wall is the circular arc suitable with described oxygen rifle outer wall.
Particularly, in described Dreg Scraping Device of Oxygen Lance working process, the distance between a described dreg scraping head and described oxygen rifle outer wall is 18mm～30mm, and the distance between described secondary dreg scraping head and described oxygen rifle outer wall is 2mm～5mm.
Preferably, described two stands is fixed on structure platform by least six supporting legs respectively, and described supporting leg is uniformly distributed along holder orientation.
The utility model can be realized the Dreg Scraping Device of Oxygen Lance that secondary is scraped slag, by transmission system, drive the dreg scraping head group move toward one another of both sides to enter and scrape slag working order, complete and scrape slag when work and drive again the opposing motion of dreg scraping head of both sides, make the dreg scraping head group of both sides remain on away from state.Drive system structure is simple, installation, easy to maintenance.The more important thing is dreg scraping head and secondary dreg scraping head cooperating, different dreg scraping heads strikes off different slags, has realized secondary and has scraped slag, and effectively completed the work of scraping deoxygenation rifle outer wall slag.In addition, owing to having realized gradation, scrape slag, the drawback of having avoided same dreg scraping head to bear different slags, has effectively reduced to scrape the pressure of slag, has further protected the wireline that promotes oxygen rifle, and change dreg scraping head or secondary dreg scraping head also convenient and swift.
Accompanying drawing explanation
Fig. 1 is the plug-type Dreg Scraping Device of Oxygen Lance of a kind of level;
Fig. 2 is a kind of self protective type oxygen gun slag scraper;
Vertical view when Fig. 3 is the utility model work;
Front view when Fig. 4 is the utility model work;
Front view when Fig. 5 is the utility model inoperative;
Fig. 6 is that Fig. 3 is along the sectional view of A-A line;
Fig. 7 is that Fig. 3 is along the sectional view of B-B line;
Fig. 8 is the front view of a dreg scraping head of the present utility model;
Fig. 9 is the left view of Fig. 8;
Figure 10 is the right view of Fig. 8;
Figure 11 is that the P of Fig. 8 is to view;
Figure 12 is the front view of secondary dreg scraping head of the present utility model;
Figure 13 is the left view of Figure 12.
Embodiment
Below in conjunction with Figure of description, the utility model is further described.
As shown in Fig. 3～7, the utility model can be realized secondary and scrape the Dreg Scraping Device of Oxygen Lance of slag and comprise: the support 1 that supporting leg 12, two be arranged in parallel, anchor 2a, 2b, the first bearing 3a, 3b, link span 4a, 4b, connecting rod 5a, 5b, cylinder 11a, 11b, cylinder block 16a, 16b, the second bearing 6a, 6b, wheel bracket 7a, 7b, guide wheel 8a, 8b, rail plate 13, two dreg scraping head groups, wherein each dreg scraping head group includes dreg scraping head and secondary dreg scraping head.
The utility model can be realized secondary, and to scrape the Dreg Scraping Device of Oxygen Lance of slag be symmetrical structure: two supports that be arranged in parallel 1, two stands is fixed on structure platform by six supporting legs 12 respectively, supporting leg 12 is uniformly distributed along holder orientation, certainly, the number of fixing the supporting leg of each support is not limited to six, but for guaranteeing that the utility model can be stablized, be firmly arranged on structure platform, the number of fixing the supporting leg of each support should be at least six.On two stands, be respectively equipped with rail plate 13, rail plate 13 is fixed on the upper and lower edge of a wing of two stands by bolt 14, certainly, can also select pin or other fixed form.Anchor 2a is fixed on an end of two stands 1, and anchor 2b is fixed on the other end of two stands, the first bearing 3a, one end of 3b is separately fixed at anchor 2a, 2b is upper, the first support 3a, the other end of 3b respectively with link span 4a, one end of 4b is flexibly connected by bearing pin, link span 4a, the other end of 4b respectively with connecting rod 5a, one end of 5b and respectively with cylinder 11a, 11b is flexibly connected by bearing pin, cylinder 11a, 11b is separately positioned on cylinder block 16a, 16b is upper, connecting rod 5a, the other end of 5b respectively with the second bearing 6a, one end of 6b is flexibly connected by bearing pin, the second bearing 6a, the other end of 6b is separately fixed at wheel bracket 7a, on one end of 7b, wheel bracket 7a, the body structure of 7b for being formed by steel plate, body structure contact with two stands both sides on two guide wheels are set respectively, certainly on wheel bracket, the guide wheel number of every side is not limited to two, should be at least two, guide wheel can move in the rail plate 13 of support, at wheel bracket 7a, on the other end of 7b, fix two dreg scraping heads and a secondary dreg scraping head, on wheel bracket, the number of a fixing dreg scraping head is not limited to two certainly, should be at least two.
Fig. 5 is that the utility model can be realized secondary and scrapes the front view of the Dreg Scraping Device of Oxygen Lance of slag in off working state, and off working state is that described Dreg Scraping Device of Oxygen Lance is not scraped slag, and also offhand state while scraping slag.The state that now the dreg scraping head group on two wheel brackets is kept away from, this away from state be that cylinder by both sides pulls respectively two link spans and two connecting rods, two connecting rods pull two wheel brackets by two second bearings respectively, thus the state that the dreg scraping head group on the wheel bracket of both sides is kept away from.
Oxygen rifle finishing blowing, oxygen rifle upwards promotes, described Dreg Scraping Device of Oxygen Lance prepares to enter working order, transmission system drives the dreg scraping head group of both sides to carry out move toward one another: air control unit is controlled two cylinders, two cylinders drive respectively two link spans and two connecting rods to rotate, two connecting rods promote two wheel brackets along described rail plate move toward one another by two second bearings respectively, be fixed on dreg scraping head group on described two wheel brackets from both sides simultaneously near oxygen rifle, the approach switch of described Dreg Scraping Device of Oxygen Lance is responded to the position of described cylinder as inductor block, when the dreg scraping head group of described both sides is just in time closed up oxygen rifle while holding around, described cylinder stop motion, as shown in Figure 7, now the distance of the outer wall of dreg scraping head 9a and oxygen rifle 15 is 18mm～30mm, the distance of the outer wall of secondary dreg scraping head 10a and oxygen rifle 15 is 2mm～5mm, the distance of dreg scraping head and oxygen rifle outer wall is greater than the distance of secondary dreg scraping head and oxygen rifle outer wall.As can be seen from Figure 7, the longitudinal length of a dreg scraping head is greater than the longitudinal length of secondary dreg scraping head, and such being designed with is beneficial to dreg scraping head and secondary dreg scraping head is used in conjunction with, and scrapes slag work.Fig. 4 is that the utility model can be realized the in running order front view of Dreg Scraping Device of Oxygen Lance that secondary is scraped slag, described Dreg Scraping Device of Oxygen Lance starts to scrape slag work: a dreg scraping head is carbide bit, it is first cut into fragment by the slag that sticks to the bulk on oxygen rifle, after treating that bulk slag comes off, secondary dreg scraping head starts to scrape slag, because the surface that described secondary dreg scraping head is corresponding with oxygen rifle outer wall is the circular arc suitable with oxygen rifle outer wall shape, the secondary dreg scraping head of both sides just in time surrounds oxygen rifle outer wall like this, secondary dreg scraping head just can strike off the residue on oxygen rifle like this, complete the slag work of scraping of described Dreg Scraping Device of Oxygen Lance.After completing and scraping slag work, transmission system drives the opposing motion of dreg scraping head group of both sides, make the dreg scraping head group of both sides remain on away from state.
The utility model is further improved, each angle to dreg scraping head is carried out certain restriction, the structure of a dreg scraping head of the present utility model is as shown in Fig. 8～11, each angle of a dreg scraping head is: a=150 °～160 °, b=160 °, c=60 °, d=140 °～150 °, e=160 °～170 °; The structure of secondary dreg scraping head of the present utility model as shown in Figure 12,13, each angle of secondary dreg scraping head is: f=20 °～25 °, g=15 °～20 °, h=22.5 °, j=45 °, wherein h is the central angle between the bolt of adjacent fixedly secondary dreg scraping head, the angle between the side that j is dreg scraping head and adjacent bolt.The design of dreg scraping head and each angle of secondary dreg scraping head, is more conducive to the protection of dreg scraping head and completes the slag work of scraping.
The utility model can be realized the Dreg Scraping Device of Oxygen Lance that secondary is scraped slag, by transmission system, drive the dreg scraping head group move toward one another of both sides to enter and scrape slag working order, complete and scrape slag when work and drive again the opposing motion of dreg scraping head of both sides, make the dreg scraping head group of both sides remain on away from state.Drive system structure is simple, installation, easy to maintenance.The more important thing is dreg scraping head and secondary dreg scraping head cooperating, different dreg scraping heads strikes off different slags, has realized secondary and has scraped slag, and effectively completed the work of scraping deoxygenation rifle outer wall slag.In addition, owing to having realized gradation, scrape slag, the drawback of having avoided same dreg scraping head to bear different slags, has effectively reduced to scrape the pressure of slag, has further protected the wireline that promotes oxygen rifle, and change dreg scraping head or secondary dreg scraping head also convenient and swift.
Above; it is only preferred embodiment of the present utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claim was defined.
Claims (6)
1. can realize the Dreg Scraping Device of Oxygen Lance that secondary is scraped slag for one kind, at least comprise two symmetrically arranged dreg scraping head groups, it is characterized in that: described in each, dreg scraping head group includes to the slag on oxygen rifle outer wall is once scraped some dreg scraping heads of slag and the slag on oxygen rifle outer wall is carried out at least one secondary dreg scraping head that secondary is scraped slag, and the distance between a wherein said dreg scraping head and described oxygen rifle outer wall is greater than the distance between described secondary dreg scraping head and described oxygen rifle outer wall.
2. according to claim 1ly realize the Dreg Scraping Device of Oxygen Lance that secondary is scraped slag, it is characterized in that: described Dreg Scraping Device of Oxygen Lance also comprise control two described in dreg scraping head group in opposite directions or the transmission system of opposing motion, when wherein said dregs scraper is scraped slag to oxygen rifle, described transmission system control two described in dreg scraping head group move toward one another; Described dregs scraper completes while scraping slag oxygen rifle, described transmission system control two described in the opposing motion of dreg scraping head group.
3. according to claim 2ly realize the Dreg Scraping Device of Oxygen Lance that secondary is scraped slag, it is characterized in that: described transmission system is symmetrical structure, comprise two supports that be arranged in parallel, be separately positioned on the rail plate on support described in two, be separately fixed at two anchors at the both ends of described two stands, be separately fixed at the first bearing of two on anchor described in two, two link spans that are connected by bearing pin with described two first bearings respectively, two connecting rods that are connected by bearing pin with described two link spans respectively, two cylinders that are connected by bearing pin with described two link spans respectively, wherein said two cylinders are separately positioned on two cylinder blocks, the air control unit that moves through of described cylinder is controlled, two second bearings that are connected by bearing pin with described two connecting rods respectively, two wheel brackets that are fixedly connected with described two second bearings respectively, wherein said wheel bracket is the body structure that steel plate forms, on the two sides that described body structure contacts with described two stands, be respectively provided to few two described guide wheels, described guide wheel slides on described rail plate, described two dreg scraping head groups be separately positioned on described transmission system two described on two wheel brackets.
4. according to claim 1ly realize the Dreg Scraping Device of Oxygen Lance that secondary is scraped slag, it is characterized in that: described in each, dreg scraping head group includes two described dreg scraping heads and a described secondary dreg scraping head, a described dreg scraping head is carbide bit, when described Dreg Scraping Device of Oxygen Lance is scraped slag, four described dreg scraping heads distribute symmetrically centered by oxygen rifle, and the surface of the corresponding oxygen rifle of described secondary dreg scraping head outer wall is the circular arc suitable with described oxygen rifle outer wall.
5. according to claim 1ly realize the Dreg Scraping Device of Oxygen Lance that secondary is scraped slag, it is characterized in that: in described Dreg Scraping Device of Oxygen Lance working process, distance between a described dreg scraping head and described oxygen rifle outer wall is 18mm～30mm, and the distance between described secondary dreg scraping head and described oxygen rifle outer wall is 2mm～5mm.
6. according to claim 3ly realize the Dreg Scraping Device of Oxygen Lance that secondary is scraped slag, it is characterized in that: described two stands is fixed on structure platform by least six supporting legs respectively, described supporting leg is uniformly distributed along holder orientation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420082450.5U CN203754752U (en) | 2014-02-25 | 2014-02-25 | Oxygen lance slag scraper capable of realizing secondary slag scraping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420082450.5U CN203754752U (en) | 2014-02-25 | 2014-02-25 | Oxygen lance slag scraper capable of realizing secondary slag scraping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203754752U true CN203754752U (en) | 2014-08-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420082450.5U Expired - Lifetime CN203754752U (en) | 2014-02-25 | 2014-02-25 | Oxygen lance slag scraper capable of realizing secondary slag scraping |
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| CN (1) | CN203754752U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106319144A (en) * | 2015-06-29 | 2017-01-11 | 鞍钢股份有限公司 | Multifunctional converter oxygen lance slag scraper and usage method thereof |
| CN107354265A (en) * | 2017-09-15 | 2017-11-17 | 过柯丽 | Oxygen rifle slag cleaner |
| CN107557526A (en) * | 2017-09-15 | 2018-01-09 | 过柯丽 | Oxygen rifle removes slag method |
| CN107828934A (en) * | 2017-09-28 | 2018-03-23 | 中冶南方工程技术有限公司 | A kind of Dreg Scraping Device of Oxygen Lance |
| CN109402324A (en) * | 2018-11-30 | 2019-03-01 | 南安市莱康机械科技有限公司 | A kind of metallurgical furnace oxygen lance Slag Scraping Device for scratching and hitting using rotation |
| CN115430630A (en) * | 2022-08-23 | 2022-12-06 | 新兴铸管股份有限公司 | Oxygen lance sticky slag cleaning device |
-
2014
- 2014-02-25 CN CN201420082450.5U patent/CN203754752U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106319144A (en) * | 2015-06-29 | 2017-01-11 | 鞍钢股份有限公司 | Multifunctional converter oxygen lance slag scraper and usage method thereof |
| CN106319144B (en) * | 2015-06-29 | 2018-06-26 | 鞍钢股份有限公司 | A kind of multi-functional slag scraper of converter oxygen lance and its application method |
| CN107354265A (en) * | 2017-09-15 | 2017-11-17 | 过柯丽 | Oxygen rifle slag cleaner |
| CN107557526A (en) * | 2017-09-15 | 2018-01-09 | 过柯丽 | Oxygen rifle removes slag method |
| CN107557526B (en) * | 2017-09-15 | 2019-03-22 | 过柯丽 | Oxygen rifle removes slag method |
| CN107354265B (en) * | 2017-09-15 | 2019-04-16 | 过柯丽 | Oxygen rifle steel slag cleaner |
| CN107828934A (en) * | 2017-09-28 | 2018-03-23 | 中冶南方工程技术有限公司 | A kind of Dreg Scraping Device of Oxygen Lance |
| CN109402324A (en) * | 2018-11-30 | 2019-03-01 | 南安市莱康机械科技有限公司 | A kind of metallurgical furnace oxygen lance Slag Scraping Device for scratching and hitting using rotation |
| CN115430630A (en) * | 2022-08-23 | 2022-12-06 | 新兴铸管股份有限公司 | Oxygen lance sticky slag cleaning device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |
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| CX01 | Expiry of patent term |