CN2934252Y - New type bottom single-spray granulated magnesium desulfurization ejection gun - Google Patents
New type bottom single-spray granulated magnesium desulfurization ejection gun Download PDFInfo
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- CN2934252Y CN2934252Y CN 200620095491 CN200620095491U CN2934252Y CN 2934252 Y CN2934252 Y CN 2934252Y CN 200620095491 CN200620095491 CN 200620095491 CN 200620095491 U CN200620095491 U CN 200620095491U CN 2934252 Y CN2934252 Y CN 2934252Y
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- spray gun
- pipe
- gun
- vaporizing chamber
- riveting component
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Abstract
The utility model relates to a single-spray grain magnesium desulfurization spray gun in the bottom of hot-metal bottle, which resolves the shortcomings brought about by the existing techniques of: the service life of the desulfurization spray gun is short with a poor adaptability and a high frequency of building up. The technical measures are as follows: The utility model includes a gun line (1); an extra strong pipe (2); a main pipe (3) and a columnar riveting firmware (4) are arranged in the extra strong pipe (2); a blowtorch (5) is inserted into the main pipe (3); a V-shaped riveting firmware (6) is sealed on the outside surface of the strong pipe (2); a ring riveting firmware (7) is sealed on the top of a V-shaped riveting firmware (6) and an organic coating (8). The utility model is characterized in that: the spray gun is a cylinder; a vaporization room (10) is arranged in the bursting forth end (9) of the cylinder of the spray gun; the strong pipe (2) is fixed with the vaporization room (10); a hole (11), which is arranged on the vaporization room (10), is communicated with the blowtorch (5). The desulfurization spray gun has a strong adaptability and a high utilization ratio for grain magnesium, and the service life of the gun is improved by more than 30%, at the same time, the frequency of building up of the gun is reduced by more than 90%.
Description
Technical field
The utility model relates to the outer pretreated desulphurization spray gun of the preceding molten iron stove of converter steelmaking, specifically a kind of pretreated spray gun of large-scale hot-metal bottle bottom single-spray particle magnesium blowing desulfurization that is used for.
Background technology
Based on single-spray particle magnesium desulfurization in the large-scale hot-metal bottle, when spray gun slips into the degree of depth greater than 2.2m, whether particle magnesium vaporizes in spray gun to the less basic theory and the experimental study result of utilising efficiency influence of the stability of single-spray particle magnesium desulfurization and particle magnesium, Ukraine has successfully developed the bottom and has directly blown desulfuration of single-spray particle magnesium molten iron technology, the spray gun structure that uses is the straight stripping sulphur spray gun in single-spray particle magnesium bottom, thereby, the vaporizing chamber dry slag that has occurred when having avoided former employing vaporizing chamber spray gun to carry out the single-spray particle magnesium desulfurization is difficult in maintenance etc., but its deficiency is: desulphurization spray gun is short work-ing life, bad adaptability to particle magnesium, stifled rifle frequency height.Deficiency according to its existence, China Patent No. be ZL03254739.0 patent disclosure a kind of " long-life single spout desulphurization of passive molten magnesium and iron spray gun " patented technology, to peel off and delay the speed that longitudinal crack burns be purpose to alleviate rifle lining for it, and bring up to 70 time/from spray gun work-ing life of Ukraine's exploitation 30 times/the work-ing life that makes desulphurization spray gun.Also have the patent application of Chinese patent application numbers 200520095607.9 to disclose " a kind of single jet granule magnesium molten iron desulfuring spray gun ", though making spray gun brings up to again 100 times/from 70 times/work-ing life, obtained and prolonged the spray gun excellent results in work-ing life significantly, but the common deficiency that exists: spray gun blocks up rifle frequency height.Trace it to its cause, think, the reaction product of particle magnesium and supplying nitrogen and particle magnesium all are the lower materials of fusing point, because the passivation of particle magnesium, deposit with course of conveying in the problem of making moist that is difficult to overcome, form the high-melting-point hydrated reaction product, increase the viscosity and the adhesive property of molten product, caused the spout high temperature bond, easily caused stifled rifle; Simultaneously, the reunion after particle magnesium makes moist has reduced the winding-up flowability of particle magnesium, and it is unstable to cause winding-up to be carried, and also easily causes stifled rifle; In addition, gun insertion depth is dark excessively, and spout is near at the bottom of the jar, can cause that also winding-up is unstable, causes spray gun to stop up.In actual production,, limited the normal performance of equipment capacity because the frequent stifled rifle of spray gun has improved the field maintemance workload of spray gun and the consumption of spray gun significantly.For this reason, the method for taking to improve carrier gas winding-up amount reduces spray gun obstruction frequency, but causes particle magnesium penetrance poor, the particle magnesium utilization efficiency is low, and desulfurization time is long, has increased substantially desulphurization cost, simultaneously, also cause terminal point sulphur height, be difficult to satisfy the needs that high value added product is produced.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, provides that a kind of strong to particle magnesium adaptability, stifled rifle frequency is low, particle magnesium utilization efficiency height, the novel bottom single-spray particle magnesium desulphurization spray gun that can directly exchange with the straight stripping sulphur spray gun in former single-spray particle magnesium bottom.
Realize the technical measures of above-mentioned purpose: novel bottom single-spray particle magnesium desulphurization spray gun, comprise fire proofed wood spray gun lining, reinforced pipe, the person in charge who in reinforced pipe, establishes and column riveting component, insert the winding-up pipe in being responsible for, the V-arrangement riveting component of reinforced pipe outside surface welding, annulus riveting component, the organic coating that welds on the top of V-arrangement riveting component, it is that spray gun is a right cylinder, be provided with vaporizing chamber in the ejection end on the right cylinder of spray gun, vaporizing chamber and reinforced pipe are fixed, and the hole that is located on the vaporizing chamber communicates with the winding-up pipe.
It is to be coated with organic coating at the vaporizing chamber outside surface.
It is to be provided with the annulus riveting component on vaporizing chamber.
Advantage of the present utility model:
1, bottom not changing, directly blows under the prerequisite of single-spray particle magnesium desulphurization spray gun outside dimension and contour structures, offer little vaporizing chamber at the rifle head and replace the straight spout of former graphite.
2, do not change spray gun outside dimension and contour structures, just can not transform and directly exchange spray gun under the condition of existing installation, improved the adaptive faculty of spray gun existing installation;
3,, improved the adaptive faculty of spray gun to jet unstable and particle magnesium by the volume buffering of the little vaporizing chamber set up;
4, by the vaporization of little vaporizing chamber endoparticle magnesium, enlarged the contact area of magnesium and molten iron, improved the dissolution rate and the desulfuration efficiency of magnesium, reach and reduce desulphurization cost and the purpose that improves capacity of equipment;
5, owing to stiffening web and the annulus steel sleeper cancelled on the spray gun metal rifle core, the effective working lining thickness that keeps spray gun refractory materials lining body has to greatest extent avoided the disadvantageous effect brought because of the rifle lining attenuation of spray gun bottom and stiffening web thermal expansion to the spray gun influence in work-ing life.
6, further improve more than 30% the work-ing life of spray gun, and reduce the stifled rifle frequency of spray gun more than 90%.
Description of drawings
Fig. 1 is the structural representation of novel bottom single-spray particle magnesium desulphurization spray gun
Among the figure: 1 fire proofed wood spray gun lining, 2 reinforced pipes, 3 persons in charge, 4 column riveting components, 5 winding-up pipes, 6V shape riveting component, 7 annulus riveting components, 8 organic coatings, 9 ejection ends, 10 vaporizing chambers, 11 holes
Embodiment
Be described in further detail below in conjunction with accompanying drawing:
Embodiment 1: the rifle body diameter of making is the little vaporizing chamber single-spray particle magnesium desulphurization spray gun in 340mm bottom, adopt No. 45 carbon steel seamless tubes to make winding-up pipe (5) and be responsible for (3), adopt the plain carbon stool wire rod to make V-arrangement riveting component (6), adopt siderochrome aluminium heating resisting metal silk to make annulus riveting component (7), adopt the heavy wall welded tube to make reinforced pipe (2), adopt 10mm Plate Steel cutting welding vaporizing chamber (10).With spray gun making becoming right cylinder, vaporizing chamber (10) is welded on the reinforced pipe (2) in the ejection end (9) on the right cylinder of spray gun, outside surface at reinforced pipe (2) and vaporizing chamber (10) is coated with organic coating (8), and the hole (11) of going up processing at vaporizing chamber (10) communicates with winding-up pipe (5).It at reinforced pipe (2) outside surface welding angle 60 ° V-arrangement riveting component (6), annulus riveting component (7) is the heating resisting metal silk, its diameter wiry is 5mm, annulus riveting component (7) is welded on the top of V-arrangement riveting component (6), the diameter of annulus riveting component (7) is installed less than the interior diameter 0～5mm of fire proofed wood spray gun lining (1), and the distance between annulus riveting component (7) and the annulus riveting component (7) is 120mm.Fire proofed wood spray gun lining (1) is integrated poured moulding.
Embodiment 2: the rifle body diameter of making is the little vaporizing chamber single-spray particle magnesium desulphurization spray gun in 340mm bottom, adopt No. 45 carbon steel seamless tubes to make winding-up pipe (5) and be responsible for (3), adopt the plain carbon stool wire rod to make V-arrangement riveting component (6), adopt siderochrome aluminium heating resisting metal silk to make annulus riveting component (7), adopt the heavy wall welded tube to make reinforced pipe (2), adopt 10mm Plate Steel cutting welding vaporizing chamber (10).With spray gun making becoming right cylinder, vaporizing chamber (10) is welded on the reinforced pipe (2) in the ejection end (9) on the right cylinder of spray gun, outside surface at reinforced pipe (2) and vaporizing chamber (10) is coated with organic coating (8), and the hole (11) of going up processing at vaporizing chamber (10) communicates with winding-up pipe (5).It at reinforced pipe (2) outside surface welding angle 60 ° V-arrangement riveting component (6), annulus riveting component (7) is the heating resisting metal silk, its diameter wiry is 4mm, annulus riveting component (7) is welded on the top of V-arrangement riveting component (6), the diameter of annulus riveting component (7) is installed less than the interior diameter 0～5mm of fire proofed wood spray gun lining (1), and the distance between annulus riveting component (7) and the annulus riveting component (7) is 90mm.Fire proofed wood spray gun lining (1) is integrated poured moulding.
Claims (3)
1, novel bottom single-spray particle magnesium desulphurization spray gun, comprise fire proofed wood spray gun lining (1), reinforced pipe (2), the person in charge (3) who in reinforced pipe (2), establishes and column riveting component (4), insert the winding-up pipe of being responsible in (3) (5), the V-arrangement riveting component (6) of reinforced pipe (2) outside surface welding, annulus riveting component (7) in the welding of the top of V-arrangement riveting component (6), organic coating (8), it is characterized in that spray gun is a right cylinder, be provided with vaporizing chamber (10) in the ejection end (9) on the right cylinder of spray gun, vaporizing chamber (10) is fixing with reinforced pipe (2), and the hole (11) that is located on the vaporizing chamber (10) communicates with winding-up pipe (5).
2, the single winding-up in novel bottom according to claim 1 granular magnesium desulfurization spray gun is characterized in that being coated with organic coating (8) at vaporizing chamber (10) outside surface.
3, novel bottom according to claim 1 single-spray particle magnesium desulphurization spray gun is characterized in that being provided with annulus riveting component (7) on vaporizing chamber (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620095491 CN2934252Y (en) | 2006-03-07 | 2006-03-07 | New type bottom single-spray granulated magnesium desulfurization ejection gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620095491 CN2934252Y (en) | 2006-03-07 | 2006-03-07 | New type bottom single-spray granulated magnesium desulfurization ejection gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2934252Y true CN2934252Y (en) | 2007-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620095491 Expired - Fee Related CN2934252Y (en) | 2006-03-07 | 2006-03-07 | New type bottom single-spray granulated magnesium desulfurization ejection gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2934252Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101786159A (en) * | 2010-03-30 | 2010-07-28 | 武汉钢铁(集团)公司 | Slant-insert type molten iron pretreatment lance and manufacturing method thereof |
-
2006
- 2006-03-07 CN CN 200620095491 patent/CN2934252Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101786159A (en) * | 2010-03-30 | 2010-07-28 | 武汉钢铁(集团)公司 | Slant-insert type molten iron pretreatment lance and manufacturing method thereof |
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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 |
Granted publication date: 20070815 Termination date: 20140307 |