CN211311508U - Oxygen lance mouth cooling device - Google Patents
Oxygen lance mouth cooling device Download PDFInfo
- Publication number
- CN211311508U CN211311508U CN201922455933.0U CN201922455933U CN211311508U CN 211311508 U CN211311508 U CN 211311508U CN 201922455933 U CN201922455933 U CN 201922455933U CN 211311508 U CN211311508 U CN 211311508U
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- China
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- lower header
- flue
- oxygen lance
- oxygen rifle
- rifle mouth
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Abstract
The utility model relates to an oxygen rifle mouth cooling device, including the vaporization flue, lower header and oxygen rifle mouth, the lower header is installed on the vaporization flue, the symmetry is provided with the feed opening on the bottom lateral wall of vaporization flue, the flue mouth has been seted up on vaporization flue upper portion, flue mouth department installs the oxygen rifle mouth, the oxygen rifle mouth includes oxygen rifle mouth body and inlet tube and the outlet pipe of setting on oxygen rifle mouth body, lower header steel sheet and lower header condenser tube of setting in oxygen rifle mouth body bottom are drawn together to the lower header, lower header steel sheet is connected with lower header condenser tube, be provided with cooling jacket on the lower header steel sheet outer wall, inlet opening and apopore have been seted up on the cooling jacket, the inlet opening, the apopore leads to pipe and connects the inlet tube respectively, the outlet pipe. The utility model solves the major potential safety hazard of long-term water leakage of the oxygen lance port by additionally arranging the cooling water tank; on one hand, the labor intensity of staff maintenance is reduced, on the other hand, the service life of the equipment is prolonged, and the equipment cost is greatly saved.
Description
Technical Field
The utility model relates to the technical field of steelmaking equipment, in particular to an oxygen lance port cooling device.
Background
The oxygen lance is a tubular device which blows high-pressure high-purity oxygen above a metal molten pool in a converter at supersonic speed and is provided with a high-pressure water cooling protection system, and is important equipment for oxygen top-blown steel making.
The seam of the existing oxygen lance port and the flue port has an adjusting gap, and the steel plate of the lower header of the oxygen lance port is heated, deformed and cracked under the action of high temperature in the flue, so that the water pipe of the lower header is pulled open to cause water leakage, the normal production is seriously influenced, and great potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the problem of cracking of a steel plate of a lower header of an oxygen lance opening due to heating is solved.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pair of oxygen lance mouth cooling device, including vaporization flue, lower header and oxygen lance mouth, the header is installed down on the vaporization flue, the symmetry is provided with the feed opening on the bottom lateral wall of vaporization flue, the flue mouth has been seted up on vaporization flue upper portion, flue mouth department installs the oxygen lance mouth, the oxygen lance mouth includes oxygen lance mouth body and sets up inlet tube and outlet pipe on the oxygen lance mouth body, the header is including setting up down the lower header steel sheet and the lower header condenser tube of oxygen lance mouth body bottom, the lower header steel sheet with the lower header condenser tube is connected, be provided with cooling jacket down on the header steel sheet outer wall, inlet opening and apopore have been seted up on the cooling jacket, the inlet opening the apopore leads to pipe and connects respectively the inlet tube the outlet pipe.
Furthermore, in order to enhance the rigidity and stability of the vaporization flue, a plurality of reinforcing rings are uniformly arranged on the outer wall of the vaporization flue in the circumferential direction.
The utility model has the advantages that: the utility model provides an oxygen lance port cooling device, which solves the major potential safety hazard of long-term water leakage of an oxygen lance port by additionally arranging a cooling water tank; the design is suitable for the novel oxygen gun mouth which can be normally used, meets the requirements of the production process and does not influence the normal operation of other surrounding equipment, on one hand, the maintenance labor intensity of workers is reduced, on the other hand, the service life of the equipment is prolonged, and the equipment cost is greatly saved.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a side view of the present invention;
FIG. 3 is an enlarged schematic view of an oxygen lance port of the present invention;
FIG. 4 is a cross-sectional view taken along A-A of FIG. 3;
in the figure: 1-vaporizing flue, 2-feed opening, 3-reinforcing ring, 4-oxygen lance opening, 41-oxygen lance opening body, 42-water inlet pipe, 43-water outlet pipe, 5-flue opening, 6-lower header cooling water pipe, 7-lower header steel plate, 8-cooling water jacket, 81-water inlet hole, 82-water outlet hole and 10-lower header.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in figure 1 and figure 2, the utility model provides a pair of oxygen rifle mouth cooling device, including vaporization flue 1, lower header 10 and oxygen rifle mouth 4, lower header 10 is installed on vaporization flue 1, the symmetry is provided with feed opening 2 on the bottom lateral wall of vaporization flue 1, flue opening 5 has been seted up on 1 upper portion of vaporization flue, flue opening 5 department installs oxygen rifle mouth 4. The oxygen gun port 4 and the vaporization flue 1 are installed in place, the final position of the oxygen gun port 4 is adjusted according to the center line of the oxygen gun port 4, a certain gap exists between the oxygen gun port 4 and the flue port 5 after adjustment, and then a large amount of high-temperature flue gas and heat in the vaporization flue 1 sequentially enter the vaporization flue 1, the primary dust removal OG system, the dust removal pipeline and the primary dust removal fan in the production process.
As shown in fig. 3, the oxygen lance port 4 comprises an oxygen lance port body 41, and a water inlet pipe 42 and a water outlet pipe 43 which are arranged on the oxygen lance port body 41, the lower header 10 comprises a lower header steel plate 7 and a lower header cooling water pipe 6 which are arranged at the bottom of the oxygen lance port body 41, and the lower header steel plate 7 is connected with the lower header cooling water pipe 6. The joint of the oxygen gun port 4 and the vaporization flue 1 is under the action of long-term high temperature, so that the lower header steel plate 7 at the bottom of the oxygen gun port 4 is deformed and cracked, and the steel plate is connected with the lower header cooling water pipe 6, so that the lower header cooling water pipe 6 is pulled open, and the cooling water pipe is cracked and leaks water. After one or two days after welding, cracking and water leakage can occur, which seriously affects normal production and has great potential safety hazard.
As shown in fig. 3 and 4, a cooling water jacket 8 is disposed on the outer wall of the lower header steel plate 7, a water inlet hole 81 and a water outlet hole 82 are disposed on the cooling water jacket 8, and the water inlet hole 81 and the water outlet hole 82 are respectively connected to the water inlet pipe 42 and the water outlet pipe 43 through water pipes. The problem that the lower header steel plate 7 is always heated and cracked is solved by a circulating water cooling method. The existing lower header steel plate 7 is deformed and cracked by heat and can not be used, the steel plate is completely cut off and cleaned, a 970 x 753 x 60 cooling water jacket 8 is manufactured and installed at the bottom of the oxygen gun mouth 4 and is welded with the lower header steel plate 7, two holes are formed in the cooling water jacket 8, a 32 x 3 water pipe is connected, one end of the water pipe is connected to the water inlet pipe 42, the other end of the water pipe is connected to the water outlet pipe 43, a ball valve is opened after connection for a pressure test, the pressure is maintained for 30 minutes under the pressure of 0.7MPa, and the requirement of normal production can be met after water leakage is ensured.
As shown in fig. 1, in order to enhance the rigidity and stability of the evaporation flue 1, a plurality of reinforcing rings 3 are uniformly arranged on the outer wall of the evaporation flue 1 in the circumferential direction.
The utility model provides an oxygen lance port cooling device, which solves the major potential safety hazard of long-term water leakage of an oxygen lance port by additionally arranging a cooling water tank; the design is suitable for the novel oxygen gun mouth which can be normally used, meets the requirements of the production process and does not influence the normal operation of other surrounding equipment, on one hand, the maintenance labor intensity of workers is reduced, on the other hand, the service life of the equipment is prolonged, and the equipment cost is greatly saved.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (2)
1. An oxygen lance port cooling device is characterized in that: the device comprises a vaporization flue (1), a lower header (10) and an oxygen lance port (4), wherein the lower header (10) is arranged on the vaporization flue (1), feed openings (2) are symmetrically arranged on the side wall of the bottom of the vaporization flue (1), a flue port (5) is formed in the upper part of the vaporization flue (1), the oxygen lance port (4) is arranged at the flue port (5), the oxygen lance port (4) comprises an oxygen lance port body (41) and a water inlet pipe (42) and a water outlet pipe (43) which are arranged on the oxygen lance port body (41), the lower header (10) comprises a lower header steel plate (7) and a lower header cooling water pipe (6) which are arranged at the bottom of the oxygen lance port body (41), the lower header steel plate (7) is connected with the lower header cooling water pipe (6), and a cooling water jacket (8) is arranged on the outer wall of the lower header steel plate (7), the cooling water jacket (8) is provided with a water inlet hole (81) and a water outlet hole (82), the water inlet hole (81) and the water outlet hole (82) are respectively connected with the water inlet pipe (42) and the water outlet pipe (43) through water pipes.
2. The lance port cooling apparatus as claimed in claim 1, wherein: a plurality of reinforcing rings (3) are uniformly arranged on the outer wall of the vaporization flue (1) in the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922455933.0U CN211311508U (en) | 2019-12-30 | 2019-12-30 | Oxygen lance mouth cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922455933.0U CN211311508U (en) | 2019-12-30 | 2019-12-30 | Oxygen lance mouth cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211311508U true CN211311508U (en) | 2020-08-21 |
Family
ID=72067171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922455933.0U Active CN211311508U (en) | 2019-12-30 | 2019-12-30 | Oxygen lance mouth cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211311508U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113755664A (en) * | 2021-07-30 | 2021-12-07 | 阳春新钢铁有限责任公司 | Sealing and fire-sealing method for oxygen lance mouth sleeve of fixed smoke hood |
-
2019
- 2019-12-30 CN CN201922455933.0U patent/CN211311508U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113755664A (en) * | 2021-07-30 | 2021-12-07 | 阳春新钢铁有限责任公司 | Sealing and fire-sealing method for oxygen lance mouth sleeve of fixed smoke hood |
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