CN220724226U - Novel oxygen lance with multiple heads at front end and stop valve at tail end for blast furnace opening - Google Patents
Novel oxygen lance with multiple heads at front end and stop valve at tail end for blast furnace opening Download PDFInfo
- Publication number
- CN220724226U CN220724226U CN202321951200.6U CN202321951200U CN220724226U CN 220724226 U CN220724226 U CN 220724226U CN 202321951200 U CN202321951200 U CN 202321951200U CN 220724226 U CN220724226 U CN 220724226U
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- China
- Prior art keywords
- oxygen lance
- pipe
- blast furnace
- stop valve
- novel oxygen
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 106
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 106
- 239000001301 oxygen Substances 0.000 title claims abstract description 106
- 239000007921 spray Substances 0.000 claims description 31
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 239000002893 slag Substances 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 6
- 244000309464 bull Species 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 18
- 229910052742 iron Inorganic materials 0.000 description 9
- 241000973497 Siphonognathus argyrophanes Species 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000012840 feeding operation Methods 0.000 description 4
- 239000013049 sediment Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Blast Furnaces (AREA)
Abstract
The utility model relates to the technical field of heating and heating a hearth in the early stage of blast furnace opening, in particular to a novel oxygen lance with a multi-head front end and a multi-end stop valve for blast furnace opening.
Description
Technical Field
The utility model relates to the technical field of heating and temperature rising of a hearth in the early stage of blast furnace opening, in particular to a novel oxygen lance with a plurality of heads at the front end and a stop valve at the tail end for blast furnace opening.
Background
The iron making process generally adopts a blast furnace stewing mode, the blast furnace needs to be opened before being opened after stewing, an oxygen lance is usually used for being driven into a tap hole, oxygen is introduced into a hearth from the tap hole through the oxygen lance, heat is added by combustion of the oxygen in the hearth to accelerate the blast furnace to open, and meanwhile, the oxygen lance used for opening the blast furnace mainly comprises a gun barrel, an oxygen inlet pipeline, an oxygen lance nozzle and other components;
through searching, the prior patent technology "CN217536052UThe utility model relates to a blast furnace iron notch oxygen lance, which comprises an oxygen guide pipe, an air guide pipe, a first armored thermocouple, a second armored thermocouple, an oxygen lance pipe and an oxygen lance nozzle; the oxygen guide pipe is of a tungsten steel pipeline structure, is connected with an air guide pipe in a penetrating mode, and is internally provided with a first armored thermocouple and a second armored thermocouple through a support; an oxygen lance tube is sleeved outside the peripheral end of the oxygen guide tube at one side of the second armored thermocouple, the other end of the oxygen lance tube is connected with an oxygen lance nozzle, and the oxygen lance nozzle is arranged into a cone structure with an oxygen guide channel; the problem that the burning loss condition of the oxygen lance cannot be known in time and the problem that the recovery furnace condition of the blast furnace is influenced by replacement in time is solved, and the current situation of the oxygen lance can be known in time by the oxygen lance, so that the subsequent overhaul operation of the oxygen lance is convenient;
however, when the actual oxygen lance is used, a pipe is directly introduced into the furnace, and the arrangement of the pipe causes the problem that the heating area of the oxygen lance to the hearth is smaller, and simultaneously affects the working efficiency and the progress of the oxygen lance for heating the blast furnace, so that the novel oxygen lance with a multi-head front end and a multi-end stop valve for opening the blast furnace is provided for solving the problems.
Disclosure of Invention
The utility model aims to provide a novel oxygen lance with a multi-head front end and a multi-end stop valve for blast furnace opening, which solves the problem that the working efficiency of the oxygen lance can be affected when the heating area of the oxygen lance on a hearth is smaller in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a novel oxygen rifle of front end bull, end that blast furnace opened the stove and use, includes the assembly sleeve pipe, one side of assembly sleeve pipe is equipped with through integrated into one piece and reserves the joint, and the switch-on has the inclined tube mouth on the inclined plane that reserves the joint, the one end fixedly connected with of inclined tube mouth prescribes a limit to the chuck, and prescribes a limit to the upper position of chuck and install the spray tube, lower position fixedly connected with toper inner tube in the inside of spray tube, and the bottom of toper inner tube is equipped with interpolation nozzle stub through integrated into one piece, the marginal position fixedly connected with strengthening rib strip of prescribing a limit to the chuck, and the middle part position of prescribing a limit to the chuck is equipped with screwed joint through integrated into one piece, the opposite side assembly of assembly sleeve pipe is connected with the barrel body.
Preferably, the barrel body is kept away from the one side end position switch-on of assembly sleeve pipe and has the oxygen pipe, and the bottom one side switch-on of oxygen pipe has the miter joint pipe, the bottom opposite side switch-on of oxygen pipe has the air compression tuber pipe, the middle part fixed mounting of miter joint pipe has the control valve, the miter joint pipe is equipped with a set of altogether.
Preferably, a pressure gauge is arranged at the lower left position of the inclined connecting pipe, and the bottom end of the inclined connecting pipe is communicated with an oxygen supplying pipe.
Preferably, a stop valve is fixedly arranged at one side of the oxygen guide pipe far away from the gun barrel body, a slag discharging pipe orifice is communicated at the middle lower position of one side of the stop valve far away from the oxygen guide pipe, and the slag discharging pipe orifice is arranged in an inclined structure.
Preferably, the inside top of barrel body is equipped with the armoured thermocouple, and the outside of armoured thermocouple is equipped with the fixed block, fixed connection between fixed block and the barrel body, and upper right side position fixed mounting of barrel body has the display, the wiring end of display is connected with the wiring end of armoured thermocouple.
Preferably, the reinforcing ribs are distributed in an annular array structure along a central point defining the chuck, and the length of the reinforcing ribs is equal to seven eighth of the length of the spray pipe.
Preferably, the internal threads which are in threaded connection with the threaded interface are arranged below the inner part of the spray pipe, the inner ends of the threaded interfaces are matched with the outer ends of the inner insertion short pipes in size, the inner parts of the inner insertion short pipes are communicated with the inner parts of the spray pipe through conical inner pipes, and the number of the spray pipes is 6.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, through the arrangement of the assembly sleeve, the inclined pipe orifice, the reinforcing ribs, the gun barrel body, the limiting chuck, the threaded interface and the conical inner pipe, along with the stable connection of the inclined pipe orifice by the plurality of spray pipes, oxygen is fed into a plurality of positions in the blast furnace by the plurality of spray pipes with a pressurizing effect, and the area of the heating furnace hearth of the oxygen lance is enlarged;
2. according to the utility model, through the arranged valve, the oxygen guide pipe and the slag discharging pipe orifice, along with the completion of oxygen feeding operation in the blast furnace by the oxygen lance, after the speed of opening the blast furnace is accelerated, the valve at the tail end of one side of the oxygen lance can be opened after the blast furnace is taken out from the blast furnace, so that the oxygen lance is convenient to realize slag iron discharge, and the phenomenon that irregular splashing hurts people easily occurs after slag iron is sprayed out due to the fact that slag iron is not directly sprayed out after the oxygen lance is closed is avoided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the installation structure of the reinforcing rib of the present utility model;
FIG. 3 is a schematic view of the internal cutaway structure of the nozzle of the present utility model;
FIG. 4 is a schematic view of the structure of the tapered inner tube of the present utility model;
fig. 5 is a schematic view of the internal structure of the barrel body of the present utility model.
In the figure: 1. assembling a sleeve; 2. a barrel body; 3. reserving a joint; 4. an inclined pipe orifice; 5. a spray pipe; 6. defining a chuck; 7. reinforcing ribs; 8. a threaded interface; 9. interpolating short pipe; 10. a conical inner tube; 11. a display; 12. an oxygen guide tube; 13. a shutter; 14. a slag discharging pipe orifice; 15. a bevel connection pipe; 16. a pressure gauge; 17. a control valve; 18. an oxygen supply pipe; 19. armoured thermocouple; 20. a fixed block; 21. air compressing air pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the present utility model provides a technical solution:
the utility model provides a novel oxygen rifle of front end bull, end that blast furnace opened the stove and use, including assembly sleeve 1, one side of assembly sleeve 1 is equipped with through integrated into one piece and reserves and connect 3, and the switch-on has inclined tube mouth 4 on the inclined plane that reserves connects 3, the one end fixedly connected with of inclined tube mouth 4 prescribes a limit to chuck 6, and inject the spout 5 to the upper position of chuck 6, the lower position fixedly connected with toper inner tube 10 in the inside of spout 5, and the bottom of toper inner tube 10 is equipped with interpolation nozzle stub 9 through integrated into one piece, the marginal position fixedly connected with strengthening rib strip 7 of prescribing a limit to chuck 6, and the middle part position that prescribes a limit to chuck 6 is equipped with screwed joint 8 through integrated into one piece, the opposite side assembly of assembly sleeve 1 is connected with barrel body 2.
As shown in fig. 1, an oxygen guide tube 12 is connected to one side end position of the gun tube body 2 far away from the assembly sleeve 1, an oblique joint tube 15 is connected to one side of the bottom end of the oxygen guide tube 12, an air compression air tube 21 is connected to the other side of the bottom end of the oxygen guide tube 12, a control valve 17 is fixedly arranged in the middle of the oblique joint tube 15, a group of oblique joint tubes 15 are arranged together, and before oxygen feeding operation is carried out, the whole oxygen lance can regulate the flow of oxygen feeding through rotating the control valve 17; the pressure gauge 16 is arranged at the lower left position of the inclined connecting pipe 15, the bottom end of the inclined connecting pipe 15 is communicated with the oxygen supply pipe 18, oxygen which is sent out from the oxygen production pipeline enters the oxygen guide pipe 12 through the oxygen supply pipe 18 and the inside of the inclined connecting pipe 15, and the whole novel oxygen gun can utilize the pressure gauge 16 to detect the air pressure during oxygen supply and in and out; the oxygen duct 12 is kept away from the one side position fixed mounting of barrel body 2 and has a shutter 13, and the lower position switch-on has the sediment mouth of pipe 14 that unloads in the one side that the shutter 13 kept away from oxygen duct 12, and sediment mouth of pipe 14 is the slope form structure setting, and after the terminal shutter 13 in oxygen rifle one side was opened, can be convenient for the oxygen rifle discharge the sediment iron.
As shown in fig. 1 and 5, the armoured thermocouple 19 is arranged above the inside of the gun barrel body 2, the fixed block 20 is arranged outside the armoured thermocouple 19, the fixed block 20 is fixedly connected with the gun barrel body 2, the display 11 is fixedly arranged at the right upper position of the gun barrel body 2, the wiring end of the display 11 is connected with the wiring end of the armoured thermocouple 19, the whole novel oxygen lance is used, oxygen is introduced into a blast furnace, under the limitation of the fixed blocks 20, the armoured thermocouple 19 temperature sensor is additionally arranged in the gun barrel body 2, the oxygen lance can be conveniently and real-timely mastered in the furnace, the use safety of the oxygen lance is ensured, and the monitored temperature real-time data can be displayed by the display panel at the front end face of the display 11.
As shown in fig. 1, 2, 3 and 4, the reinforcing ribs 7 are distributed and arranged in an annular array along the center point of the limiting chuck 6, the length of the reinforcing ribs 7 is equal to seven eighth of the length of the spray pipe 5, after the single spray pipe 5 is respectively connected with the corresponding threaded interfaces 8, the spray pipe 5 is just clamped into a limiting space formed by a plurality of reinforcing ribs 7, and the whole oxygen lance can be limited by reinforcing support from the outside of the spray pipe 5 through the arrangement of the reinforcing ribs 7, so that the problem that internal stress plastic deformation is easy to occur due to long-time heating of steel spray pipe components is avoided; the inside below of spray tube 5 is equipped with the internal thread with screwed connection 8 threaded connection, and the size is identical between the inner of screwed connection 8 and the outer end of interpolation nozzle stub 9, the inside of interpolation nozzle stub 9 is through the inside switch-on setting of toper inner tube 10 and spray tube 5, and spray tube 5 is equipped with 6 altogether, when the in-process of the whole novel oxygen rifle of equipment, after switch-on assembly sleeve 1 to the one side end of barrel body 2 in advance, under the connection cooperation of limiting chuck 6, the assembly setting of a plurality of spray tubes 5 can make the oxygen rifle under the operating condition enlarge the area of oxygen rifle heating furnace jar.
The working flow is as follows: when the oxygen lance is normally inserted into the blast furnace, the oxygen lance can be introduced into the blast furnace through the assembly sleeve 1, the reserved joint 3, the inclined tube opening 4 and the spray tube 5, slag iron to be calculated is already exceeded a dead iron layer, an oxygen feeding valve and air pressure are respectively closed, and finally slag iron is conveniently discharged, the oxygen lance can finish oxygen feeding operation, and when the whole novel oxygen lance is assembled, the assembly sleeve 1 is connected to one side end of the blast furnace in advance, after the air port is fully bright, the lower end of the plurality of spray tubes 5 is assembled with the threaded joint 8 and simultaneously inserted into the spray tube 5 through the threaded joint 8 and the spray tube 5 under the connection fit of the limiting chuck 6, the oxygen lance is inserted into the blast furnace through the threaded joint 5, the spray tube 5 is simultaneously inserted into the threaded joint 5, the spray tube 5 is further internally provided with the pressure boosting strip 5, and the pressure boosting effect is improved, and the oxygen lance is simultaneously inserted into the blast furnace 5 through the conical joint 5, and the pressure boosting effect is improved by the spray tube 5, and the oxygen lance is simultaneously inserted into the blast furnace 5, and the pressure boosting effect is improved by the inner tube 5, and the oxygen lance is simultaneously 10 is further increased, and the oxygen feeding operation is finished.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a novel oxygen rifle of front end bull, terminal addition stop valve that blast furnace opened the stove and used, includes assembly sleeve (1), its characterized in that: one side of assembly sleeve (1) is equipped with reserved joint (3) through integrated into one piece, and the switch-on has oblique mouth of pipe (4) on the inclined plane of reserved joint (3), the one end fixedly connected with of oblique mouth of pipe (4) prescribes a limit to chuck (6), and prescribes a limit to the upper position of chuck (6) and install spray tube (5), lower position fixedly connected with toper inner tube (10) in the inside of spray tube (5), and the bottom of toper inner tube (10) is equipped with interpolation nozzle stub (9) through integrated into one piece, the marginal position fixedly connected with strengthening rib strip (7) prescribes a limit to chuck (6), and the middle part position of prescribing a limit to chuck (6) is equipped with screwed connection (8) through integrated into one piece, the opposite side assembly connection of assembly sleeve (1) has barrel body (2).
2. The novel oxygen lance with a plurality of heads and a stop valve at the front end and the tail end for opening the blast furnace according to claim 1, wherein the novel oxygen lance is characterized in that: the gun barrel is characterized in that an oxygen guide pipe (12) is connected to one side end position of the gun barrel body (2) far away from the assembly sleeve (1), an inclined connecting pipe (15) is connected to one side of the bottom end of the oxygen guide pipe (12), an air compression air pipe (21) is connected to the other side of the bottom end of the oxygen guide pipe (12), a control valve (17) is fixedly arranged in the middle of the inclined connecting pipe (15), and a group of inclined connecting pipes (15) are arranged together.
3. The novel oxygen lance with a plurality of heads and a stop valve at the front end and the tail end for opening the blast furnace according to claim 2, wherein the novel oxygen lance is characterized in that: the pressure gauge (16) is arranged at the lower left position of the miter pipe (15), and the bottom end of the miter pipe (15) is communicated with the oxygen supply pipe (18).
4. The novel oxygen lance with a plurality of heads and a stop valve at the front end and the tail end for opening the blast furnace according to claim 2, wherein the novel oxygen lance is characterized in that: the oxygen guiding tube (12) is fixedly provided with a stop valve (13) at one side far away from the gun tube body (2), a slag discharging tube orifice (14) is communicated at the middle lower position of one side far away from the oxygen guiding tube (12) of the stop valve (13), and the slag discharging tube orifice (14) is in an inclined structure.
5. The novel oxygen lance with a plurality of heads and a stop valve at the front end and the tail end for opening the blast furnace according to claim 1, wherein the novel oxygen lance is characterized in that: the gun barrel is characterized in that an armored thermocouple (19) is arranged above the gun barrel body (2), a fixed block (20) is arranged outside the armored thermocouple (19), the fixed block (20) is fixedly connected with the gun barrel body (2), a display (11) is fixedly arranged at the upper right position of the gun barrel body (2), and a wiring end of the display (11) is connected with a wiring end of the armored thermocouple (19).
6. The novel oxygen lance with a plurality of heads and a stop valve at the front end and the tail end for opening the blast furnace according to claim 1, wherein the novel oxygen lance is characterized in that: the reinforcing ribs (7) are distributed in an annular array structure along the central point of the limiting chuck (6), and the length of the reinforcing ribs (7) is equal to seven eighth of the length of the spray pipe (5).
7. The novel oxygen lance with a plurality of heads and a stop valve at the front end and the tail end for opening the blast furnace according to claim 1, wherein the novel oxygen lance is characterized in that: the inside below of spray tube (5) is equipped with the internal thread with screwed connection of screwed joint (8), and the size is identical between the inner of screwed joint (8) and the outer end of interpolation nozzle stub (9), the inside of interpolation nozzle stub (9) is put through the inside of toper inner tube (10) and spray tube (5) and is set up, and spray tube (5) are equipped with 6 altogether.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321951200.6U CN220724226U (en) | 2023-07-24 | 2023-07-24 | Novel oxygen lance with multiple heads at front end and stop valve at tail end for blast furnace opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321951200.6U CN220724226U (en) | 2023-07-24 | 2023-07-24 | Novel oxygen lance with multiple heads at front end and stop valve at tail end for blast furnace opening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220724226U true CN220724226U (en) | 2024-04-05 |
Family
ID=90485342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321951200.6U Active CN220724226U (en) | 2023-07-24 | 2023-07-24 | Novel oxygen lance with multiple heads at front end and stop valve at tail end for blast furnace opening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220724226U (en) |
-
2023
- 2023-07-24 CN CN202321951200.6U patent/CN220724226U/en active Active
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