CN209260117U - A kind of steep-taper oxygen lance with slag-scraper - Google Patents

Abstract

The utility model discloses a kind of steep-taper oxygen lances with slag-scraper, belong to pneumatic steelmaking and smelt oxygen rifle technical field, for solving the problems, such as that it is inconvenient that the steep-taper oxygen lance outer wall steel slag of existing pneumatic steelmaking removes.The utility model includes oxygen rifle ontology, and oxygen rifle ontology is connected with oxygen therapy pipeline, and oxygen rifle ontology is connected with water inlet pipe and return pipe；The outer wall of oxygen therapy pipeline is arranged with connection ring and lower connection ring, upper connection ring is connected with upper backup pad, lower connection ring is connected with lower supporting plate, lower supporting plate is located at the lower section of oxygen rifle ontology, multiple guide posts are connected between upper backup pad and lower supporting plate, lifting ring is additionally provided between upper backup pad and lower supporting plate, multiple guide posts run through lifting ring, lifting ring is connected with multiple elevation driving units, rotating ring is arranged in lifting ring, rotating ring inner wall, which is connected with, multiple retractable scrapes slag unit, the outer wall of rotating ring is provided with the tooth of annular spread, rotating ring is engaged with multiple rotary drive units.

Description

A kind of steep-taper oxygen lance with slag-scraper

Technical field

The utility model relates to pneumatic steelmakings with oxygen rifle technical field is smelted, and fill more particularly to one kind with slag is scraped The steep-taper oxygen lance set.

Background technique

Oxygen rifle is one of capital equipment of pneumatic steelmaking, when it is responsible for blowing into furnace after bath lancing and finishing blowing Into furnace, molten bath nitrogen flushing carries out slag splashing to protect the task of furnace lining.Oxygen rifle is inevitable during blowing and slag splashing Ground can adhere to steel slag in oxygen rifle, if cannot in time remove steel slag, with the increase of smelting furnace number, often splashing primary slag will Slag blanket in the oxygen rifle of dry slag increases by 3~5mm causes oxygen rifle dry slag more and more thick, at this time as " snowball " Oxygen rifle cannot normally go up and down operation, i.e., cannot propose oxygen rifle oral area position, at this moment can only cut the oxygen rifle of dry slag with flame Cutter is cut off, and splits out the oxygen rifle cut off, and is replaced oxygen rifle, is greatly reduced so as to cause the service life of oxygen rifle, and oxygen is increased Rifle cost depletions, and need frequent burning torch, change rifle, the continuity of pneumatic steelmaking production is destroyed when serious, increases the labor of worker Fatigue resistance.

The mode of part oxygen rifle cleaning steel slag are as follows: stop pneumatic steelmaking, by manually individually being cleared up, while oxygen rifle table Face temperature is high, is easy to appear security risk during worker operation, just carries out if oxygen rifle surface temperature is dropped to normal temperature state Slag is scraped, steel slag is caused to condense, cleaning difficulty increases, and cleaning work low efficiency, clearance time is long, influences the normal of pneumatic steelmaking Work.

By existing oxygen rifle slag-scraper, it cannot be applicable in steep-taper oxygen lance well, for the steep-taper of outer diameter gradual change Oxygen rifle, slag scraper cannot carry out the outer wall of oxygen rifle outer diameter gradual change to scrape slag well.

Utility model content

The purpose of this utility model is that: in order to which the steep-taper oxygen lance outer wall steel slag removal for solving existing pneumatic steelmaking is not square Just the problem of, the utility model provide a kind of steep-taper oxygen lance with slag-scraper.

The utility model specifically uses following technical scheme to achieve the goals above:

The steep-taper oxygen lance with slag-scraper of the utility model, including oxygen rifle ontology, oxygen rifle ontology are connected with oxygen therapy Pipeline, oxygen rifle ontology are connected with water inlet pipe and return pipe；The outer wall of oxygen therapy pipeline is arranged with connection ring and lower connection ring, upper company It connects ring and is connected with upper backup pad, lower connection ring is connected with lower supporting plate, and lower supporting plate is located at the lower section of oxygen rifle ontology, upper backup pad It is connected with multiple guide posts between lower supporting plate, lifting ring is additionally provided between upper backup pad and lower supporting plate, multiple guide posts are equal Through lifting ring, lifting ring is connected with multiple elevation driving units, and rotating ring is arranged in lifting ring, and rotating ring inner wall is connected with It is multiple it is retractable scrape slag unit, the outer wall of rotating ring is provided with the tooth of annular spread, and rotating ring is engaged with multiple rotations drivings Unit.

The utility model is used as it is further preferred that elevation driving unit includes the first driving motor and lead screw；Multiple silks The lower end of thick stick is connected with each other with lower supporting plate, and the upper end of multiple lead screws both passes through mutual with the first driving motor after upper backup pad Connection, lifting ring through-thickness offer multiple threaded holes, and any lead screw passes through threaded hole and lifting ring is connected with each other.

The utility model is used as it is further preferred that scraping slag unit includes positioning column, limited block, the first block, second gear Block, positioning sleeve, compressed spring, arc panel and dreg scraper knife；One end of positioning sleeve and the inner wall of rotating ring are connected with each other, positioning sleeve The other end is hanging and is connected with the first block, and the side of dreg scraper knife and arc panel is connected with each other, the other side of arc panel and positioning Column is connected with each other, and the other end of positioning column is connected with limited block after protruding into positioning sleeve, and positioning column is arranged far from one end of limited block There is the second block, compressed spring is arranged on positioning column, and compressed spring is between the first block and the second block.

The utility model is used as it is further preferred that rotary drive unit includes the second driving motor and driving wheel；Second The upper end of lifting ring is arranged in driving motor, and driving wheel is set in the drive shaft of the second driving motor, driving wheel and rotating ring The tooth of outer wall is intermeshed.

The utility model is as it is further preferred that the two sides of the tooth of rotation ring-side wall are provided with the protrusion of annular, liter The inner wall of drop ring offers the annular groove being mutually adapted with protrusion.

The utility model be used as it is further preferred that upper connection ring and lower connection ring can along oxygen therapy conduit axis rotation, Upper backup pad offers the arc groove through upper lower wall, and for arc groove to cure by oxygen therapy conduit axis point as the center of circle, arc is recessed The width of slot is greater than coplanar oxygen rifle body diameter.

The beneficial effects of the utility model are as follows:

1, the steep-taper oxygen lance of the utility model is cleared up the steel slag of oxygen rifle body outer wall by scraping slag unit, is scraped Slag unit energy automatic telescopic, adapts to the gradual change outer diameter of steep-taper oxygen lance, remains that dreg scraper knife closely connects with oxygen rifle body outer wall Touching is effectively ensured and carries out thorough cleaning to the steel slag of oxygen rifle outer wall, dreg scraper knife position is effectively avoided to remain unchanged to oxygen rifle ontology The steel slag of outer wall clears up halfway problem；By elevation driving unit, lifting ring is driven to move up and down, to the outer of oxygen rifle ontology Wall different height is cleared up；By rotary drive unit, rotating ring rotation, dreg scraper knife annular rotation, to the steel of outer wall are driven Slag is thoroughly cleared up.

2, by the way of lead screw transmission, guarantee stability of the lifting ring in lifting process.

3, scrape the working principle of slag unit: adjacent scrape is provided with gap between slag unit, positioning column is removable in positioning sleeve Dynamic, during scraping slag, the lifting of slag unit is scraped in elevation driving unit drive, and dreg scraper knife is protected always under the action of compressed spring Holding, by positioning column transmission force, makes positioning column since the outer diameter gradual change of steep-taper oxygen lance outer wall increases with the contact of oxygen rifle outer wall The power to positioning sleeve is generated, compresses compressed spring further, arc panel is mobile to the direction far from oxygen rifle outer wall, increases The outer diameter of arc panel, to adapt to steep-taper oxygen lance outer wall；Similarly, when oxygen rifle outer wall outer diameter is gradually reduced, arc panel is in compression bullet It is mobile to the direction close to oxygen rifle ontology under the action of spring, reduce arc panel it is outer into, guarantee dreg scraper knife always with oxygen rifle ontology Outer wall is in close contact, so as to by the steel slag scraped clean of oxygen rifle outer wall.

4, by rotary drive unit, the tooth of the outer wall of driving wheel and rotating ring is intermeshed, all rotary drive units Steering revolving speed it is all the same, by the effect of the second driving motor, drive rotating ring rotation, rotating ring rotation, which drives, scrapes slag unit Rotation is effectively solved because scraping the gap between slag unit and the gap between adjacent dreg scraper knife and bring scrapes slag dead angle, right Oxygen rifle outer wall carries out annular and scrapes Slag treatment without dead angle.

5, the two sides of the tooth of the side wall of rotating ring are provided with protrusion, offer annular groove in the inner wall that lifting is changed, protrusion In annular groove, by the protrusion of tooth two sides, the fixed effect of support is played to rotating ring, meanwhile, guarantee that rotating ring exists Stability and stationarity in rotary course.

6, upper connection ring and lower connection ring drive slag-scraper to rotate to cure by oxygen therapy conduit axis as the center of circle, and lower supporting plate is located at The lower section of oxygen rifle ontology, the arc groove that upper backup pad opens up, effectively prevent upper backup pad during rotation with oxygen rifle ontology It interferes, when needing the outer wall to oxygen rifle ontology to carry out scraping Slag treatment, upper connection ring and lower connection ring are rotated synchronously, oxygen rifle Ontology is located at the center that multiple annulars scrape slag unit；When not needing to scrape Slag treatment, connection ring and lower connection ring in rotation, Make slag-scraper far from oxygen rifle ontology, does not influence the use of oxygen rifle ontology.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is enlarged structure schematic diagram at A in Fig. 1；

Fig. 3 is the structural schematic diagram for scraping the slag course of work；

Fig. 4 is the overlooking structure diagram of lifting ring；

Fig. 5 is the enlarged structure schematic diagram in Fig. 4 at B；

Fig. 6 is the side structure schematic diagram of rotating ring；

Appended drawing reference: 1- oxygen rifle ontology, 110- water inlet pipe, 120- return pipe, 2- oxygen therapy pipeline, the upper connection ring of 310-, Connection ring under 320-, 410- upper backup pad, 420- lower supporting plate, 5- guide post, 6- lifting ring, 7- elevation driving unit, 710- One driving motor, 720- lead screw, 721- threaded hole, 8- rotating ring, 810- tooth, 9- scrape slag unit, 910- dreg scraper knife, 920- arc Plate, the first block of 930-, the second block of 940-, 950- positioning sleeve, 960- positioning column, 970- limited block, 980- compressed spring, 10- rotary drive unit, the second driving motor of 1010-, 1020- driving wheel, 11- protrusion, 1110- annular groove.

Specific embodiment

In order to which those skilled in the art better understand the utility model, 1-6 and following embodiment with reference to the accompanying drawing The utility model is described in further detail.

Embodiment 1

The steep-taper oxygen lance with slag-scraper of the utility model, including oxygen rifle ontology 1, oxygen rifle ontology 1 are connected with defeated Oxygen pipeline 2, oxygen rifle ontology 1 are connected with water inlet pipe 110 and return pipe 120；The outer wall of oxygen therapy pipeline 2 is arranged with connection ring 310 With lower connection ring 320, upper connection ring 310 is connected with upper backup pad 410, and lower connection ring 320 is connected with lower supporting plate 420, lower branch Fagging 420 is located at the lower section of oxygen rifle ontology 1, and multiple guide posts 5, upper support are connected between upper backup pad 410 and lower supporting plate 420 Lifting ring 6 is additionally provided between plate 410 and lower supporting plate 420, multiple guide posts 5 run through lifting ring 6, and lifting ring 6 is connected with more A elevation driving unit 7, is arranged with rotating ring 8 in lifting ring 6, and 8 inner wall of rotating ring, which is connected with, multiple retractable scrapes slag unit 9, the outer wall of rotating ring 8 is provided with the tooth 810 of annular spread, and rotating ring 8 is engaged with multiple rotary drive units 10.

After adopting the above technical scheme, the steep-taper oxygen lance of the utility model, by scrape slag unit 9 to oxygen rifle ontology 1 outside The steel slag of wall is cleared up, and is scraped 9 energy automatic telescopic of slag unit, is adapted to the gradual change outer diameter of steep-taper oxygen lance, remain dreg scraper knife 910 are in close contact with 1 outer wall of oxygen rifle ontology, are effectively ensured and carry out thorough cleaning to the steel slag of oxygen rifle outer wall, effectively avoid scraping slag 910 position of knife, which is remained unchanged, clears up halfway problem to the steel slag of 1 outer wall of oxygen rifle ontology；By elevation driving unit 7, drive Lifting ring 6 moves up and down, and clears up the outer wall different height of oxygen rifle ontology 1；By rotary drive unit 10, rotation is driven Ring 8 rotates, and the steel slag of outer wall is thoroughly cleared up in 910 annular rotation of dreg scraper knife.

Embodiment 2

The present embodiment is that advanced optimizing of making on the basis of embodiment 1 is as follows: elevation driving unit 7 includes first driving Dynamic motor 710 and lead screw 720；The lower end of multiple lead screws 720 is connected with each other with lower supporting plate 420, the upper end of multiple lead screws 720 It is connected with each other after both passing through upper backup pad 410 with the first driving motor 710,6 through-thickness of lifting ring offers multiple screw threads Hole 721, any lead screw 720 are connected with each other by threaded hole 721 and lifting ring 6.

After adopting the above technical scheme, guaranteeing that lifting ring 6 is steady in lifting process by the way of the transmission of lead screw 720 It is qualitative.

Embodiment 3

The present embodiment is that advanced optimizing of making on the basis of embodiment 1 is as follows: scrape slag unit 9 include positioning column 960, Limited block 970, the first block 930, the second block 940, positioning sleeve 950, compressed spring 980, arc panel 920 and dreg scraper knife 910； One end of positioning sleeve 950 and the inner wall of rotating ring 8 are connected with each other, and the other end of positioning sleeve 950 is hanging and is connected with the first block 930, the side interconnection of dreg scraper knife 910 and arc panel 920, the other side of arc panel 920 and positioning column 960 are connected with each other, The other end of positioning column 960 is connected with limited block 970, the one end of positioning column 960 far from limited block 970 after protruding into positioning sleeve 950 It is arranged with the second block 940, compressed spring 980 is arranged on positioning column 960, and compressed spring 980 is located at the first block 930 and second between block 940.

After adopting the above technical scheme, scraping the working principle of slag unit 9: adjacent scrape is provided with gap between slag unit 9, fixed Position column 960 moves in positioning sleeve 950, and during scraping slag, the lifting of slag unit 9, dreg scraper knife are scraped in the drive of elevation driving unit 7 910 under the action of compressed spring 980, remain with the contact of oxygen rifle outer wall, due to steep-taper oxygen lance outer wall outer diameter gradually Become and increase, by 960 transmission force of positioning column, positioning column 960 is made to generate the power to positioning sleeve 950, make compressed spring 980 into The compression of one step, arc panel 920 is mobile to the direction far from oxygen rifle outer wall, increases the outer diameter of arc panel 920, to adapt to steep-taper oxygen Rifle outer wall；Similarly, when oxygen rifle outer wall outer diameter is gradually reduced, arc panel 920 is under the action of compressed spring 980, to close to oxygen rifle The direction of ontology 1 is mobile, reduce arc panel 920 it is outer into, guarantee that dreg scraper knife 910 is in close contact with 1 outer wall of oxygen rifle ontology always, So as to by the steel slag scraped clean of oxygen rifle outer wall.

Embodiment 4

The present embodiment is that advanced optimizing of making on the basis of embodiment 1 is as follows: rotary drive unit 10 includes second Driving motor 1010 and driving wheel 1020；The upper end of lifting ring 6 is arranged in second driving motor 1010, and driving wheel 1020 is set in In the drive shaft of second driving motor 1010, the tooth 810 of driving wheel 1020 and 8 outer wall of rotating ring is intermeshed.

After adopting the above technical scheme, by rotary drive unit 10, the tooth of the outer wall of driving wheel 1020 and rotating ring 8 810 intermeshings, the steering revolving speed of all rotary drive units 10 is all the same, passes through the effect of the second driving motor 1010, band Dynamic rotating ring 8 rotates, and the rotation of rotating ring 8, which drives, scrapes the rotation of slag unit 9, effectively solves because scraping the gap between slag unit 9, and Gap between adjacent dreg scraper knife 910 and bring scrapes slag dead angle, annular is carried out to oxygen rifle outer wall and scrapes Slag treatment without dead angle.

Embodiment 5

The present embodiment is that advanced optimizing of making on the basis of embodiment 1 is as follows: the two of the tooth 810 of 8 side wall of rotating ring Side is provided with the protrusion 11 of annular, and the inner wall of lifting ring 6 offers the annular groove 1110 being mutually adapted with protrusion 11.Protrusion 11 outer diameter is greater than the outer diameter of tooth 810.

After adopting the above technical scheme, the two sides of the tooth 810 of the side wall of rotating ring 8 are provided with protrusion 11, changed in lifting Inner wall offers annular groove 1110, and protrusion 11 is located in annular groove 1110, by the protrusion 11 of 810 two sides of tooth, to rotation Ring 8 plays the fixed effect of support, meanwhile, guarantee stability and stationarity of the rotating ring 8 in rotary course.

Embodiment 6

The present embodiment is that advanced optimizing of making on the basis of embodiment 1 is as follows: upper connection ring 310 and lower connection ring 320 can offer the arc groove through upper lower wall along oxygen therapy 2 axis of pipeline rotation, upper backup pad 410, and arc groove is with defeated 2 axis point of oxygen pipeline is the center of circle, and the width of arc groove is greater than coplanar 1 outer diameter of oxygen rifle ontology.

After adopting the above technical scheme, upper connection ring 310 and lower connection ring 320 drive slag-scraper to cure by oxygen therapy 2 axis of pipeline Line is center of circle rotation, and lower supporting plate 420 is located at the lower section of oxygen rifle ontology 1, and the arc groove that upper backup pad 410 opens up is effectively anti- Only upper backup pad 410 is interfered with oxygen rifle ontology 1 during rotation, when needing the outer wall to oxygen rifle ontology 1 to carry out scraping slag When processing, upper connection ring 310 and lower connection ring 320 are rotated synchronously, and oxygen rifle ontology 1 is located at the center that multiple annulars scrape slag unit 9 Position；When not needing to scrape Slag treatment, connection ring 310 and lower connection ring 320 in rotation make slag-scraper far from oxygen rifle ontology 1, The use of oxygen rifle ontology 1 is not influenced.

The above, the only preferred embodiment of the utility model, are not intended to limit the utility model, the utility model Scope of patent protection be subject to claims, it is equivalent made by all specifications and accompanying drawing content with the utility model Structure change similarly should be included in the protection scope of the utility model.

Claims (6)

1. a kind of steep-taper oxygen lance with slag-scraper, including oxygen rifle ontology (1), the oxygen rifle ontology (1) is connected with oxygen therapy Pipeline (2), the oxygen rifle ontology (1) are connected with water inlet pipe (110) and return pipe (120)；

It is characterized in that, the outer wall of oxygen therapy pipeline (2) is successively arranged with connection ring (310) and lower connection ring from top to bottom (320), the upper connection ring (310) is connected with upper backup pad (410), and the lower connection ring (320) is connected with lower supporting plate (420), the lower supporting plate (420) is located at the lower section of oxygen rifle ontology (1), the upper backup pad (410) and lower supporting plate (420) Between be connected with multiple guide posts (5), be additionally provided with lifting ring (6) between the upper backup pad (410) and lower supporting plate (420), Multiple guide posts (5) run through lifting ring (6), and the lifting ring (6) is connected with multiple elevation driving units (7), the liter Drop ring (6) in is arranged with rotating ring (8), rotating ring (8) inner wall be connected with it is multiple it is retractable scrape slag unit (9), it is described The outer wall of rotating ring (8) is provided with the tooth (810) of annular spread, and the rotating ring (8) is engaged with multiple rotary drive units (10)。

2. the steep-taper oxygen lance according to claim 1 with slag-scraper, which is characterized in that the elevation driving unit It (7) include the first driving motor (710) and lead screw (720)；

The lower end of multiple lead screws (720) is connected with each other with lower supporting plate (420), the upper end of multiple lead screws (720) It both passes through upper backup pad (410) to be connected with each other with the first driving motor (710) afterwards, lifting ring (6) through-thickness opens up Have multiple threaded holes (721), any lead screw (720) is connected with each other by threaded hole (721) and lifting ring (6).

3. the steep-taper oxygen lance according to claim 1 with slag-scraper, which is characterized in that described to scrape slag unit (9) Including positioning column (960), limited block (970), the first block (930), the second block (940), positioning sleeve (950), compressed spring (980), arc panel (920) and dreg scraper knife (910)；

One end of the positioning sleeve (950) and the inner wall of rotating ring (8) are connected with each other, and the other end of the positioning sleeve (950) is outstanding Sky is simultaneously connected with the first block (930), and the side of the dreg scraper knife (910) and arc panel (920) is connected with each other, the arc panel (920) the other side and positioning column (960) is connected with each other, and the other end of the positioning column (960) connects after protruding into positioning sleeve (950) It is connected to limited block (970), the positioning column (960) is arranged with the second block (940) far from the one end of limited block (970), described Compressed spring (980) is arranged on positioning column (960), and the compressed spring (980) is located at the first block (930) and the Between two blocks (940).

4. the steep-taper oxygen lance according to claim 1 with slag-scraper, which is characterized in that the rotary drive unit It (10) include the second driving motor (1010) and driving wheel (1020)；

Second driving motor (1010) is arranged in the upper end of lifting ring (6), and the driving wheel (1020) is set in the second drive In the drive shaft of dynamic motor (1010), the tooth (810) of the driving wheel (1020) and rotating ring (8) outer wall is intermeshed.

5. the steep-taper oxygen lance according to claim 1 with slag-scraper, which is characterized in that rotating ring (8) side The two sides of the tooth (810) of wall are provided with the protrusion (11) of annular, and the inner wall of the lifting ring (6) offers and the protrusion (11) annular groove (1110) being mutually adapted.

6. the steep-taper oxygen lance according to claim 1 with slag-scraper, which is characterized in that the upper connection ring (310) it can be offered along oxygen therapy pipeline (2) axis rotation, the upper backup pad (410) through up and down with lower connection ring (320) The arc groove of wall, to cure by oxygen therapy pipeline (2) axis point as the center of circle, the width of the arc groove is greater than the arc groove Coplanar oxygen rifle ontology (1) outer diameter.