CN215162894U - Telescopic sealing device for converter oxygen lance inlet - Google Patents
Telescopic sealing device for converter oxygen lance inlet Download PDFInfo
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- CN215162894U CN215162894U CN202121413064.6U CN202121413064U CN215162894U CN 215162894 U CN215162894 U CN 215162894U CN 202121413064 U CN202121413064 U CN 202121413064U CN 215162894 U CN215162894 U CN 215162894U
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Abstract
The utility model discloses a converter oxygen lance inlet telescopic sealing device, which comprises an upper sealing cover, an inlet sealing cover, a telescopic pipe cover, a hanging seat, a base, a guide wheel seat, a winding roller seat, a winding motor, a hanging wire and a slag stopping component, wherein the telescopic pipe cover sleeved outside the converter oxygen lance is connected between the upper sealing cover and the inlet sealing cover; two slag stopping components are arranged between the upper sealing cover and the inlet sealing cover, and the two slag stopping components are respectively positioned on the inner side and the outer side of the telescopic pipe cover. The utility model can adapt to the change of different lance positions by arranging the telescopic pipe cover made of high temperature resistant and wear resistant materials at the outer side of the converter oxygen lance, and has tight sealing and no consumption of nitrogen gas in the process; the design of the slag trap assembly is such that it can withstand damage from on-site slag during operation of the plant.
Description
Technical Field
The utility model relates to a converter steelmaking technical field especially relates to a flexible sealing device of converter oxygen rifle entry.
Background
The original seal of the oxygen lance mouth generally adopts nitrogen gas seal, yellow smoke emerges from the oxygen lance water jacket at the middle and later stages of converter blowing, especially when the carbon-oxygen reaction is severe, the smoke enters the interior of a workshop, if the converter is subjected to large-scale jet, the smoke is excessive in a large amount, the main component in the smoke is CO which is not combusted fully, great potential safety hazard is caused to normal safety production, and the requirement of environmental protection cannot be met. In order to completely solve the problem of smoke escape, a simple and practical method is to bend a phi 57 seamless pipe through a pipe bending machine to form a self-made steam ring pipe, but in the actual use process, on the premise that the steam pressure of a steam main pipe is stable, the self-made steam ring pipe is extremely unstable in steam, is not designed into steam vortex, and still cannot achieve a good sealing effect.
Therefore, the patent specification with the publication number of CN206814809U discloses a converter oxygen muzzle double-sealing device, which comprises a nitrogen seal seat and a dust suppression device fixed on the nitrogen seal seat, wherein both sides of the nitrogen seal seat are fixedly connected with nitrogen pipes for introducing low-pressure nitrogen respectively, the dust suppression device comprises an annular seat body which is surrounded by an upper plate, an inner inclined plate, a lower plate and side plates and is provided with an inner cavity, both sides of the annular seat body are fixedly connected with steam pipes for introducing steam into the inner cavity respectively, an inner vertical plate is fixed in the inner cavity, the lower plate comprises an inner lower plate fixedly connected with the inner inclined plate and an outer lower plate fixedly connected with the side plates, inclined nozzles for spraying the steam in the inner cavity to an oxygen muzzle are arranged between the inner lower plate and the outer lower plate, and the inclined nozzles are uniformly distributed along the circumferential direction of the annular seat body.
However, the dual sealing device for the oxygen lance port of the converter has the defects in use, and firstly, the dual sealing device has poor applicability and cannot adapt to the change of different lance positions; and secondly, the slag blocking component is not arranged, so that the damage of on-site slag cannot be borne in the working process of the equipment. Therefore, it is necessary to optimize and improve it.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the problems in the prior art and provide a telescopic sealing device for the inlet of a converter oxygen lance.
In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:
a telescopic sealing device for an inlet of a converter oxygen lance comprises an upper sealing cover, an inlet sealing cover, a telescopic pipe cover, a hanging seat, a base, a guide wheel seat, a winding roller seat, a winding motor, a hanging wire and a slag stopping component, wherein the telescopic pipe cover sleeved outside the converter oxygen lance is connected between the upper sealing cover and the inlet sealing cover;
the improved telescopic pipe cover is characterized in that two slag blocking components are arranged between the upper sealing cover and the inlet sealing cover, the two slag blocking components are respectively positioned on the inner side and the outer side of the telescopic pipe cover, each slag blocking component is composed of a plurality of ring bodies and a blocking net connected between two adjacent ring bodies, each ring body comprises a first ring body and a second ring body which are distributed in an alternating mode, and the outer diameter of each first ring body is smaller than that of each second ring body.
Furthermore, in the telescopic sealing device for the inlet of the converter oxygen lance, the upper sealing cover and the inlet sealing cover are respectively provided with an end plate, and the end plates are provided with through holes for the converter oxygen lance to pass through.
Furthermore, in the telescopic sealing device for the inlet of the converter oxygen lance, the telescopic pipe cover is made of a high-temperature-resistant and wear-resistant PVC material.
Furthermore, in the telescopic sealing device for the inlet of the converter oxygen lance, the mesh size of the barrier net can prevent slag impacting on the barrier net from passing through, so that a protection effect is achieved.
Furthermore, in the telescopic sealing device for the inlet of the converter oxygen lance, the blocking net is a steel wire rope net, and has the advantages of high temperature resistance and impact resistance.
Furthermore, in the telescopic sealing device for the inlet of the converter oxygen lance, the ring body is made of stainless steel materials and is not easy to deform and damage.
The utility model has the advantages that:
the utility model has reasonable structural design, on one hand, the telescopic pipe cover made of high temperature resistant and wear resistant materials is arranged on the outer side of the converter oxygen lance, so that the utility model can adapt to the change of different lance positions, adopts a material object sealing mode, has tight sealing, does not consume nitrogen in the process, and reduces the emission of pollutants; on the other hand, the slag stopping components are additionally arranged on the inner side and the outer side of the telescopic pipe cover, so that the damage of on-site slag can be borne in the working process of equipment.
Of course, it is not necessary for any product to achieve all of the above advantages simultaneously in practicing the invention.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of a part of the structure of the present invention;
FIG. 3 is a schematic front view of the slag trap assembly of the present invention;
FIG. 4 is a schematic top view of the slag trap assembly of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-upper sealing cover, 2-inlet sealing cover, 3-telescopic pipe cover, 4-hanging seat, 5-base, 6-guide wheel seat, 7-rolling roller seat, 8-rolling motor, 9-hanging wire, 10-slag-stopping component, 101-first ring body, 102-second ring body and 103-blocking net.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the embodiment provides a telescopic sealing device for an inlet of an oxygen lance of a converter, which includes an upper sealing cover 1, an inlet sealing cover 2, a telescopic pipe cover 3, a hanging seat 4, a base 5, a guide wheel seat 6, a winding roller seat 7, a winding motor 8, a hanging wire 9 and a slag stopping component 10. A telescopic pipe cover 3 sleeved outside the converter oxygen lance is connected between the upper sealing cover 1 and the inlet sealing cover 2, hanging seats 4 are uniformly fixed at the side end of the upper sealing cover 1, and a base 5 is fixed under each hanging seat 4 of the inlet sealing cover 2. The upper side of the base 5 is provided with a guide wheel seat 6 and a winding roller seat 7 with a winding motor 8, one end of a suspension wire 9 is wound on a winding roller in the winding roller seat 7, and the other end of the suspension wire 9 is connected with a lifting hook of the suspension seat 4 through the guide wheel seat 6.
In this embodiment, two slag blocking assemblies 10 are arranged between the upper sealing cover 1 and the inlet sealing cover 2, the two slag blocking assemblies 10 are respectively located on the inner side and the outer side of the telescopic pipe cover 3, and each slag blocking assembly 10 is composed of a plurality of ring bodies and a blocking net 103 connected between two adjacent ring bodies. The rings comprise a first ring 101 and a second ring 102 which are alternately distributed, and the outer diameter of the first ring 101 is smaller than that of the second ring 102.
In this embodiment, the upper sealing cover 1 and the inlet sealing cover 2 are respectively provided with an end plate, and the end plate is provided with a through hole for the converter oxygen lance to pass through. The end plates of the upper sealing cover 1 and the inlet sealing cover 2 are used as connecting carriers of the slag stopping component 10.
In this embodiment, the telescopic pipe cover 3 is made of a high-temperature-resistant and wear-resistant PVC material. The ring body of the slag trap assembly 10 is made of stainless steel material and the barrier net 103 is a wire rope net. The mesh size of the barrier net 103 is such that it will impede the passage of slag impinging thereon.
One specific application of this embodiment is: the structure design of the embodiment is reasonable, the telescopic pipe 3 cover made of high-temperature-resistant and wear-resistant materials is arranged on the outer side of the converter oxygen lance, the change of different lance positions can be adapted, a material object sealing mode is adopted, the sealing is tight, nitrogen is not consumed in the process, and the pollutant emission is reduced; the slag stopping components 10 are additionally arranged on the inner side and the outer side of the telescopic pipe cover 3, so that the damage of on-site slag can be borne in the working process of equipment.
The preferred embodiments of the present invention disclosed above are only advantageous to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The converter oxygen lance inlet telescopic sealing device is characterized in that: the device comprises an upper sealing cover, an inlet sealing cover, a telescopic pipe cover, a hanging seat, bases, a guide wheel seat, a winding roller seat, a winding motor, a hanging wire and a slag stopping component, wherein the telescopic pipe cover sleeved outside an oxygen lance of the converter is connected between the upper sealing cover and the inlet sealing cover;
the improved telescopic pipe cover is characterized in that two slag blocking components are arranged between the upper sealing cover and the inlet sealing cover, the two slag blocking components are respectively positioned on the inner side and the outer side of the telescopic pipe cover, each slag blocking component is composed of a plurality of ring bodies and a blocking net connected between two adjacent ring bodies, each ring body comprises a first ring body and a second ring body which are distributed in an alternating mode, and the outer diameter of each first ring body is smaller than that of each second ring body.
2. The telescopic sealing device for the inlet of the converter oxygen lance as claimed in claim 1, is characterized in that: the upper sealing cover and the inlet sealing cover are respectively provided with an end plate, and the end plate is provided with a through hole for the converter oxygen lance to pass through.
3. The telescopic sealing device for the inlet of the converter oxygen lance as claimed in claim 1, is characterized in that: the telescopic pipe cover is made of high-temperature-resistant and wear-resistant PVC materials.
4. The telescopic sealing device for the inlet of the converter oxygen lance as claimed in claim 1, is characterized in that: the barrier has a mesh size such that it blocks the passage of slag impinging thereon.
5. The telescopic sealing device for the inlet of the converter oxygen lance as claimed in claim 1, is characterized in that: the barrier net is a steel wire rope net.
6. The telescopic sealing device for the inlet of the converter oxygen lance as claimed in claim 1, is characterized in that: the ring body is made of stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121413064.6U CN215162894U (en) | 2021-06-24 | 2021-06-24 | Telescopic sealing device for converter oxygen lance inlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121413064.6U CN215162894U (en) | 2021-06-24 | 2021-06-24 | Telescopic sealing device for converter oxygen lance inlet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215162894U true CN215162894U (en) | 2021-12-14 |
Family
ID=79382408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121413064.6U Active CN215162894U (en) | 2021-06-24 | 2021-06-24 | Telescopic sealing device for converter oxygen lance inlet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215162894U (en) |
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2021
- 2021-06-24 CN CN202121413064.6U patent/CN215162894U/en active Active
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