CN105349729A - Sealed slag scraping device - Google Patents
Sealed slag scraping device Download PDFInfo
- Publication number
- CN105349729A CN105349729A CN201510664429.5A CN201510664429A CN105349729A CN 105349729 A CN105349729 A CN 105349729A CN 201510664429 A CN201510664429 A CN 201510664429A CN 105349729 A CN105349729 A CN 105349729A
- Authority
- CN
- China
- Prior art keywords
- slag
- sealing
- scraper knife
- dreg scraper
- slag scraping
- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/4693—Skull removal; Cleaning of the converter mouth
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The invention discloses a sealed slag scraping device which comprises a guiding mechanism, a slag scraping mechanism, a slag scraping base, a sealing mechanism and compression springs. The guiding mechanism is fixed to the slag scraping base, the slag scraping mechanism and the compression springs are assembled on the slag scraping base, the sealing mechanism is fixed to the slag scraping base, and the slag scraping mechanism and the sealing mechanism are in tight fit. Accordingly, pure mechanical mechanisms are assembled to form the sealed slag scraping device, cylinders, travel switches and other electrical elements are omitted, and control points in a control system are reduced since the sealed slag scraping device is used as an ancillary facility of a sublance system. The sealed slag scraping device is simple in structure and low in weight; the technical problem that existing universal large converter sublance equipment cannot be mounted on a small converter is solved, and the sealed slag scraping device is suitable for being mounted at an opening of the small converter.
Description
Technical field
The present invention relates to field of smelting, be specifically related to a kind of sealing slag-shaving device.
Background technology
Mammoth conveter sublance mouth is generally provided with a set of sealing slag-shaving device, can input nitrogen, at sublance interruption-forming nitrogen envelope protective layer, and furnace high-temperature spilling, the too early calcination of molten steel splash, damage test probe when preventing from testing.Meanwhile, above nitrogen sealing mechanism, be provided with slag scraping mechanism, by beaing shock to the sublance body exited, realizing scraping slag function.The mode that complete assembly is taked gas, is electrically coupled, scrapes slag cylinder, travel switch etc. by PLC (ProgrammableLogicController, programmable logic controller) time variable control and realizes sealing, scrapes slag function.For preventing equipment associated electrical components, parts impaired in high temperature environments, this device is also provided with water-circulating cooling device.The extensive utilization of the automatic smelting technology of sublance in mammoth conveter, for the development promoting China's steel industry plays outstanding role.Converter is used revolving furnace sublance smelting technology, and general requirement sublance and the oxygen rifle spacing > 900mm blown, to avoid mutual interference etc. therebetween.The equipment such as oxygen rifle are equipped with all for domestic original small vessel, because of by fire door limitation of size, the sealing slag-shaving device in mammoth conveter cannot have been applied.Therefore, small vessel cannot promote the automatic smelting technology of now general sublance by mounting condition restriction.
Summary of the invention
The embodiment of the present invention, by providing a kind of sealing slag-shaving device, solves small vessel cannot promote the automatic smelting technology of now general sublance technical problem by mounting condition restriction.
A kind of sealing slag-shaving device that the embodiment of the present invention provides, comprising: guiding mechanism, slag scraping mechanism, scrapes slag base, sealing mechanism, compression spring; Scrape on slag base described in described guiding mechanism is fixed on, described slag scraping mechanism and described compression spring erection are scraped on slag base described, scrape on slag base described in described sealing mechanism is fixed on, wherein, for closely cooperating between described slag scraping mechanism and described sealing mechanism.
Preferably, described in scrape slag base and comprise: mounting seat, M dreg scraper knife groove, M be more than or equal to 2 integer; Described M dreg scraper knife groove annular distribution is fixed in described mounting seat, described slag scraping mechanism and described compression spring erection in described M dreg scraper knife groove, wherein, the slippage in described M dreg scraper knife groove of described slag scraping mechanism.
Preferably, described guiding mechanism comprises: guide funnel, N block bearing rib, N be more than or equal to 3 integer; Described N block bearing rib uniform ring is around the outer side wall of described guide funnel, and described in described guide funnel and every block, bearing rib is integrally welded.
Preferably, described guide funnel is conical funnel, described bearing rib is right-angle triangle, and the hypotenuse of described right-angle triangle is welded on the described outer side wall of described guide funnel, and a square edge of described right-angle triangle extends the first length support in described mounting seat.
Preferably, described slag scraping mechanism comprises: M sheet dreg scraper knife sheet; Wherein, described in every sheet, the afterbody of dreg scraper knife sheet is fan-shaped, and the head of each described dreg scraper knife sheet is circular arc chamfering shape, and described M sheet dreg scraper knife sheet correspondence is arranged in described M dreg scraper knife groove.
Preferably, dreg scraper knife sheet described in every sheet all with piston mounting means together with compression spring described at least one erection in a described dreg scraper knife groove.
Preferably, described sealing mechanism comprises enclosed housing and nitrogen envelope channel part, and described nitrogen envelope channel part is the cylindric of band connection flange, and described nitrogen envelope channel part is welded on the side of described enclosed housing.
Preferably, described enclosed housing comprises outer chamber wall, internal chamber wall and sealed base; Described outer chamber wall is weldingly fixed on described sealed base, and described outer chamber wall and described internal chamber wall are connected and fixed by sealing screw on top, and it is cylindrical for making described sealed base, described internal chamber wall and described outer chamber wall form described enclosed housing; Wherein, gas overflowing hole is left in the connection place of described sealed base and described internal chamber wall.
The one or more technical schemes provided in the embodiment of the present invention, at least have following technique effect or advantage:
1, apply the pure mechanical mechanism assembling adult without the electrical element such as cylinder, travel switch in the present invention in sealing slag-shaving device, as the auxiliary facility of sublance system, decrease the reference mark in Controlling System.Structure is simplified, weight is light, solves the technical problem that small vessel cannot promote the automatic smelting technology of now general sublance, thus is adapted at layout, the installation at small vessel fire door place.
2, slag scraping mechanism and closely cooperating of sealing mechanism are arranged, and shorten slag scraping mechanism and the sealing mechanism distance therebetween of large sealing slag scraper, the very first time can recessed at sublance body carries out scraping slag cleaning work.Meanwhile, band brake type is scraped slag action and is compared former percussive and scrape slag action, and it is more outstanding to scrape slag effect.
3, dreg scraper knife sheet is installed with split blade type, can scrape slag action separately when sublance body exits in multiple angle by slag adhesive capacity.Particularly for adhering to uneven slag, on the one hand, dreg scraper knife sheet can be dodged from different azimuth translation by loading angle, stressed size etc., fully ensures to scrape slag effect.On the other hand, between dreg scraper knife sheet, can mutually balance the holding capacity of scraping between slag action, avoid scraping slag stuck phenomenon, ensure that the work-ing life of dreg scraper knife sheet.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the structural representation of sealing slag-shaving device in the embodiment of the present invention;
Fig. 2 is the structural representation scraping slag base in the embodiment of the present invention;
Fig. 3 is the vertical view scraping slag base in the embodiment of the present invention;
Fig. 4 is the structural representation of guiding mechanism in the embodiment of the present invention;
Fig. 5 is the vertical view of guiding mechanism in the embodiment of the present invention;
Fig. 6 is the structural representation of slag scraping mechanism in the embodiment of the present invention;
Fig. 7 is the vertical view of slag scraping mechanism in the embodiment of the present invention;
Fig. 8 is the structural representation of sealing mechanism in the embodiment of the present invention;
Fig. 9 is the partial enlarged drawing of sealing mechanism in the embodiment of the present invention;
Figure 10 is that schematic diagram is used in the installation of sealing slag-shaving device in the present invention.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Shown in figure 1 ~ Figure 10, a kind of sealing slag-shaving device provided by the invention, comprising: guiding mechanism 1, and slag scraping mechanism 2 scrapes slag base 3, sealing mechanism 4, compression spring 5.Guiding mechanism 1 is fixed on to be scraped on slag base 3, and slag scraping mechanism 2 and compression spring 5 erection are being scraped on slag base 3, and sealing mechanism 4 is fixed on to be scraped on slag base 3, wherein, for closely cooperating between slag scraping mechanism 2 and sealing mechanism 4.
Concrete, be arranged on the connection position that the guiding mechanism 1 scraped on slag base 3, slag scraping mechanism 2 and base 3 fix and all should mutually stagger, avoid the mutual interference that each is inter-agency.
Referring to figs. 2 and 3 shown, scrape slag base 3 and comprise: mounting seat 31 and M dreg scraper knife groove 32, M be more than or equal to 2 integer.
Wherein, M dreg scraper knife groove 32 annular distribution is fixed in mounting seat 31, and slag scraping mechanism 2 and compression spring 5 erection are in M dreg scraper knife groove 32, and after assembling, slag scraping mechanism 2 can slippage in M dreg scraper knife groove 32.
In specific implementation process, guiding mechanism 1 is welded on to be scraped in the mounting seat 31 of slag base 3, by attachment bolt, mounting seat 31 place and sealing mechanism 4 are connected and fixed, thus guiding mechanism 1, slag scraping mechanism 2, scrape slag base 3 and this four great institutions of sealing mechanism 4 and be assembled into one with the connecting mode of welding, bolt-connection.
Shown in figure 4 and Fig. 5, guiding mechanism 1 comprises: guide funnel 11, N block bearing rib 12, N be more than or equal to 3 positive integer, N block bearing rib 12 uniform ring is around the outer side wall of guide funnel 11, and guide funnel 11 is integrally welded with every block bearing rib 12.
Concrete, guide funnel 11 is conical funnel, and bearing rib 12 is right-angle triangle, and the hypotenuse of right-angle triangle is welded on the outer side wall of guide funnel 11, and a square edge of right-angle triangle extends the first length support in mounting seat 31.Thus while being supported on strengthening guide funnel 11 supporting capacity, guiding mechanism 1 integral solder is being scraped on slag base 3 by the slag scraping mechanism 2 that can stagger.
Concrete, shown in figure 6 and Fig. 7, slag scraping mechanism 2 comprises: M sheet dreg scraper knife sheet 21 forms band brake type structure, can play strike off cleaning effect to the molten steel waste residue that the sublance body after being completed adheres to.
Concrete, the afterbody of every sheet dreg scraper knife sheet 21 is fan-shaped, M sheet dreg scraper knife sheet 21 correspondence is arranged in M dreg scraper knife groove 32, thus M sheet dreg scraper knife sheet 21 ring-type is evenly distributed on and scrapes on slag base 3, and every sheet dreg scraper knife sheet 21 can according to stressed size at its orientation self contained function.
Concrete, the head of each dreg scraper knife sheet 21 is circular arc chamfering shape, can reduce the contact surface with slag by the dreg scraper knife sheet 21 of circular arc chamfering shape, is staggered, avoid and occur scraping slag stuck phenomenon by circular arc chamfering and slag slippage fast.
The special substance high-performance steels such as concrete, dreg scraper knife sheet 21 is quenching, modified are processed into.
Concrete, erection is in a dreg scraper knife groove 32 together with at least one compression spring 5 with piston mounting means for each dreg scraper knife sheet 21, thus when external force is cancelled, dreg scraper knife sheet 21 resets by compression spring 5 resilience.
Concrete, the shaft end of dreg scraper knife sheet 21 is provided with fitting nut 22, as spacing use during dreg scraper knife sheet 21 back resetting.
Shown in figure 8, sealing mechanism 4 comprises enclosed housing 41 and nitrogen envelope channel part 42, and nitrogen envelope channel part 42 is cylindric for band connection flange, and nitrogen envelope channel part 42 is welded on the side of enclosed housing 41, is the passage that inertia sealed gas enters.
Concrete, enclosed housing 41 comprises outer chamber wall 411, internal chamber wall 412 and sealed base 413; Outer chamber wall 411 is weldingly fixed on sealed base 413, outer chamber wall 411 and internal chamber wall 412 are connected and fixed by sealing screw 414 on top, form a cylindrical structural with airtight internal cavity after three's assembling, that is: make sealed base 413, internal chamber wall 412 and outer chamber wall 411 form the enclosed housing 41 of cylindrical structural.
Shown in figure 9, sealed base 413 leaves gap with the connection place of internal chamber wall 412, as the passage of nitrogen envelope gas overflowing, i.e. and gas overflowing hole 43.Concrete; gas overflowing hole 43 also can process the shape breach such as semicircle or spination on sealed base 413; after nitrogen flows into the inner chamber of enclosed housing 41 by nitrogen envelope channel part 42, can overflow through gas overflowing hole 43, thus form inert gas cover in sealing mechanism 4.
As shown in Figure 10, sealed base 413 is connected and fixed by attachment bolt and sublance mouth 6, and the flange 421 nitrogen being sealed channel part 42 transmits pipeline 7 with medium is connected by attachment bolt.When sublance body 8 starts to test; in this device, nitrogen is inputted by medium transmission pipeline 7; gas enters in the inner chamber of sealing mechanism 4 through nitrogen envelope channel part 42, under input pressure effect, then is overflowed by gas overflowing hole 43, forms nitrogen blanket at sublance mouth 6.On the one hand; by guiding, the correction effect of guiding mechanism 1, ensure that sublance body 8 enters converter build-in test by sublance mouth 6 smoothly, prevent furnace high-temperature spilling and molten steel splash etc.; the test probe of premature burnout sublance body 8 and upper connection thereof, realizes seal protection effect.On the other hand, after sublance body 8 exits revolving furnace sublance mouth 6, when through slag scraping mechanism 2, in different azimuth the slag that sublance body 8 is taken out of to be play by M sheet dreg scraper knife sheet 21 and strike off cleaning effect, realize scraping slag function.
Further, near medium transmission pipeline 7, increase by a medium switching point, and as the reference mark of in sublance electrical control system.Before sublance is measured, under sublance electric control system controls, medium switching point switches to nitrogen conveying; During steel-making measured by non-sublance, sublance electric control system controls medium switching point switches to high-temperature steam conveying, utilize converter waste heat can form steam seal sealing coat at sublance mouth 6, the employing at energy medium switching reference mark reduces the loss of rare gas element energy medium, on the one hand, can steel-making cost be saved, on the other hand, also give and cooling effect is risen to slag scraping mechanism 2, sealing mechanism 4 etc.
Wherein, Fig. 1 is the not stressed state of slag scraping mechanism 2, and dreg scraper knife sheet 21 forms ring-type band-type brake structure.Fig. 8 be slag scraping mechanism 2 under stressing conditions, dreg scraper knife sheet 21 translation extends out the state of maximum displacement, basic consistent with the minimum interior bore of sealing mechanism 4.Wherein, for ensureing to scrape slag effect, in the band brake type of slag scraping mechanism 2, bore large-scalely can to adjust according to practical situation, to design.
, provide the example of sealing slag-shaving device provided by the invention below, but be not used in restriction the present invention, those skilled in the art can know other embodiments according to example below.
The overall dimensions of design sealing slag-shaving device are within the scope of 760 × 600 × 400mm, compare specification and generally scrape device the mammoth conveter sublance of 3200 × 1200 × 800mm is close, the sealing slag-shaving device in the present invention be more suitable for layout at small vessel fire door place, installation.
As shown in Figure 7, arrange totally 6 identical dreg scraper knife sheet 21 gaps and install composition ring texture, concrete, the gap of dreg scraper knife sheet 21 is less than 10mm, every sheet dreg scraper knife sheet 21 can according to stressed size at its orientation self contained function, the translation of wherein two panels dreg scraper knife sheet 21 as shown in Figure 7.Accordingly, as shown in Figure 3, mounting seat 31 is provided with 6 dreg scraper knife grooves 32,6 even annulars of dreg scraper knife groove 32 are distributed in mounting seat 31, each dreg scraper knife groove 32 is weldingly fixed in mounting seat 31, be the translation passage of 6 dreg scraper knife sheets 21, in 6 orientation, the slag that sublance body 8 is taken out of play by 6 dreg scraper knife sheets 21 and strike off cleaning effect.Wherein, under the state that the slag scraping mechanism 2 shown in Fig. 1 is not stressed, it is 200mm ring-type band-type brake structure that dreg scraper knife sheet 21 forms internal orifice dimension.Slag scraping mechanism 2 shown in Figure 10 is under stressing conditions, and dreg scraper knife sheet 21 translation extends out 50mm, that is: internal orifice dimension is extended to 300mm, reaches basic consistent with the lowest calibre 315mm of sealing mechanism 4.
By the one or more technical schemes provided in the invention described above embodiment, at least there is following technique effect or advantage:
1, apply the pure mechanical mechanism assembling adult without the electrical element such as cylinder, travel switch in the present invention in sealing slag-shaving device, as the auxiliary facility of sublance system, decrease the reference mark in Controlling System.Structure is simplified, weight is light, solves the technical problem of the automatic smelting technology that small vessel cannot directly adopt sublance existing general, thus is adapted at layout, the installation at small vessel fire door place.
2, slag scraping mechanism and closely cooperating of sealing mechanism are arranged, and shorten slag scraping mechanism and the sealing mechanism distance therebetween of large sealing slag scraper, the very first time can recessed at sublance body carries out scraping slag cleaning work.Meanwhile, band brake type is scraped slag action and is compared former percussive and scrape slag action, and it is more outstanding to scrape slag effect.
3, dreg scraper knife sheet is installed with split blade type, can scrape slag action separately when sublance body exits in multiple angle by slag adhesive capacity.Particularly for adhering to uneven slag, on the one hand, dreg scraper knife sheet can be dodged from different azimuth translation by loading angle, stressed size etc., fully ensures to scrape slag effect.On the other hand, between dreg scraper knife sheet, can mutually balance the holding capacity of scraping between slag action, avoid scraping slag stuck phenomenon, ensure that the work-ing life of dreg scraper knife sheet.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (8)
1. a sealing slag-shaving device, is characterized in that, comprising: guiding mechanism, slag scraping mechanism, scrapes slag base, sealing mechanism, compression spring;
Scrape on slag base described in described guiding mechanism is fixed on, described slag scraping mechanism and described compression spring erection are scraped on slag base described, scrape on slag base described in described sealing mechanism is fixed on, wherein, for closely cooperating between described slag scraping mechanism and described sealing mechanism.
2. sealing slag-shaving device as claimed in claim 1, is characterized in that, described in scrape slag base and comprise: mounting seat, M dreg scraper knife groove, M be more than or equal to 2 integer;
Described M dreg scraper knife groove annular distribution is fixed in described mounting seat, described slag scraping mechanism and described compression spring erection in described M dreg scraper knife groove, wherein, the slippage in described M dreg scraper knife groove of described slag scraping mechanism.
3. sealing slag-shaving device as claimed in claim 2, it is characterized in that, described guiding mechanism comprises: guide funnel, N block bearing rib, N be more than or equal to 3 integer;
Described N block bearing rib uniform ring is around the outer side wall of described guide funnel, and described in described guide funnel and every block, bearing rib is integrally welded.
4. sealing slag-shaving device as claimed in claim 3, it is characterized in that, described guide funnel is conical funnel, described bearing rib is right-angle triangle, the hypotenuse of described right-angle triangle is welded on the described outer side wall of described guide funnel, and a square edge of described right-angle triangle extends the first length support in described mounting seat.
5. sealing slag-shaving device as claimed in claim 4, it is characterized in that, described slag scraping mechanism comprises: M sheet dreg scraper knife sheet;
Wherein, described in every sheet, the afterbody of dreg scraper knife sheet is fan-shaped, and the head of each described dreg scraper knife sheet is circular arc chamfering shape, and described M sheet dreg scraper knife sheet correspondence is arranged in described M dreg scraper knife groove.
6. sealing slag-shaving device as claimed in claim 5, is characterized in that, dreg scraper knife sheet described in every sheet all with piston mounting means together with compression spring described at least one erection in a described dreg scraper knife groove.
7. sealing slag-shaving device as claimed in claim 6, is characterized in that, described sealing mechanism comprises enclosed housing and nitrogen envelope channel part, and described nitrogen envelope channel part is the cylindric of band connection flange, and described nitrogen envelope channel part is welded on the side of described enclosed housing.
8. sealing slag-shaving device as claimed in claim 7, it is characterized in that, described enclosed housing comprises outer chamber wall, internal chamber wall and sealed base;
Described outer chamber wall is weldingly fixed on described sealed base, and described outer chamber wall and described internal chamber wall are connected and fixed by sealing screw on top, and it is cylindrical for making described sealed base, described internal chamber wall and described outer chamber wall form described enclosed housing;
Wherein, gas overflowing hole is left in the connection place of described sealed base and described internal chamber wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510664429.5A CN105349729B (en) | 2015-10-15 | 2015-10-15 | A kind of sealing slag-shaving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510664429.5A CN105349729B (en) | 2015-10-15 | 2015-10-15 | A kind of sealing slag-shaving device |
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| Publication Number | Publication Date |
|---|---|
| CN105349729A true CN105349729A (en) | 2016-02-24 |
| CN105349729B CN105349729B (en) | 2017-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510664429.5A Active CN105349729B (en) | 2015-10-15 | 2015-10-15 | A kind of sealing slag-shaving device |
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| CN (1) | CN105349729B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112285016A (en) * | 2020-11-23 | 2021-01-29 | 西安热工研究院有限公司 | Test system and method for quantifying coal slag bonding property based on scraping and stripping method |
| CN112501386A (en) * | 2019-09-16 | 2021-03-16 | 江苏集萃冶金技术研究院有限公司 | Molten iron 'three-removing' pretreatment furnace and equipment |
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| JP2015025163A (en) * | 2013-07-25 | 2015-02-05 | 新日鐵住金株式会社 | Under-converter cleaning equipment |
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| US5152952A (en) * | 1990-09-27 | 1992-10-06 | Unimetal | Device for unclogging a lance intended to be inserted into a metallurgical vessel |
| CN200971370Y (en) * | 2006-11-21 | 2007-11-07 | 中冶赛迪工程技术股份有限公司 | Sublance slag scraper of converter |
| CN201574167U (en) * | 2010-01-08 | 2010-09-08 | 中冶京诚工程技术有限公司 | Oxygen lance slag scraper and scraper member thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112501386A (en) * | 2019-09-16 | 2021-03-16 | 江苏集萃冶金技术研究院有限公司 | Molten iron 'three-removing' pretreatment furnace and equipment |
| CN112285016A (en) * | 2020-11-23 | 2021-01-29 | 西安热工研究院有限公司 | Test system and method for quantifying coal slag bonding property based on scraping and stripping method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105349729B (en) | 2017-11-28 |
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