CN212223032U - Oxygen injection device for steel making - Google Patents
Oxygen injection device for steel making Download PDFInfo
- Publication number
- CN212223032U CN212223032U CN201822037778.6U CN201822037778U CN212223032U CN 212223032 U CN212223032 U CN 212223032U CN 201822037778 U CN201822037778 U CN 201822037778U CN 212223032 U CN212223032 U CN 212223032U
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- Prior art keywords
- rod
- gear
- oxygen
- rotating
- fixedly arranged
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 83
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 83
- 239000001301 oxygen Substances 0.000 title claims abstract description 83
- 238000009628 steelmaking Methods 0.000 title claims abstract description 20
- 238000002347 injection Methods 0.000 title claims abstract description 9
- 239000007924 injection Substances 0.000 title claims abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 229910052742 iron Inorganic materials 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000000571 coke Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
Oxygen device is annotated in steelmaking, the utility model relates to a steelmaking technology field especially relates to oxygen device is annotated in steelmaking. Provides a steelmaking oxygen injection device which has compact and reasonable structure, simple and convenient use, various adjusting modes and accurate positioning of an oxygen lance. The device comprises an oxygen lance, an angle adjusting mechanism, a first arm rod, a second arm rod, a lifting seat, a screw rod and a pair of guide rails; the oxygen lance is detachably and fixedly arranged on the rotating mechanism through a locking mechanism. The rotating rod is vertically and fixedly arranged at the end part of the second arm rod; a connecting hole matched with the rotating rod is formed in the first arm rod; a plurality of bearings are arranged in the connecting holes; the rotating rod extends out of the connecting hole of the first arm rod through a bearing and is fixedly connected with the gear A; the gear B is fixedly arranged on a rotating rod of the motor II; the gear A is meshed with the gear B. The utility model has the characteristics of compact reasonable, it is simple and convenient to use, the regulative mode is various, the oxygen rifle location is accurate etc.
Description
Technical Field
The utility model relates to a steelmaking technical field especially relates to oxygen device is annotated in steelmaking.
Background
Steel is a material having an important influence on national economic development, and is widely applied to various industries such as buildings, factory equipment, automobiles, furniture, electrical appliances and the like. The basic technology used in steel making today is blast furnace technology, which has been greatly improved over long periods of development.
The blast furnace iron-making technology is continuously improved and still remains the most basic steel-making technology at present. After iron ore sintered pellets, coke and limestone are loaded into a blast furnace, high-speed hot air is blown in, part of coke is consumed to generate CO and heat, and the iron ore sintered pellets are reduced into iron by the CO. The reduced molten iron is then sent to an oxygen top-blown converter where pure oxygen is blown into the molten iron to remove carbon and obtain steel.
A basic oxygen furnace is a furnace for making steel by blowing oxygen from the top. The furnace consists of a converter body, a tilting system, an oxygen lance and an oxygen supply system. The oxygen lance is one of key devices for steelmaking by a top-blown oxygen converter. The oxygen lance of the oxygen top-blown converter is arranged on an oxygen lance trolley which runs in the direction vertical to the furnace mouth, and wheels of the oxygen lance trolley run up and down in a track of a guide rail of the oxygen lance trolley.
In the prior art, the name of a utility model patent issued by the national office at 1 month and 18 days in 2012 is an oxygen top-blown converter and oxygen blowing equipment thereof. Comprises an oxygen lance trolley guide rail, a guide rail bracket and an oxygen lance which is arranged on the oxygen lance trolley guide rail in a sliding way
The oxygen lance trolley; the oxygen lance bogie further comprises a first connecting plate fixedly arranged on the guide rail bracket and a second connecting plate which is connected with the first connecting plate through a threaded connecting piece and is connected with the oxygen lance bogie guide rail; the second connection plate is provided with a strip-shaped hole, and the threaded connection piece is arranged in the strip-shaped hole. The utility model discloses a well oxygen rifle can only realize the up-and-down motion, can not satisfy current production technology requirement, and the regulation mode is comparatively single.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to above problem, it is compact reasonable to have provided structure, uses portably, and the regulative mode is various, and oxygen rifle fixes a position accurate steelmaking oxygen injection device.
The technical scheme of the utility model is that: the device comprises an oxygen lance, an angle adjusting mechanism, a first arm rod, a second arm rod, a lifting seat, a screw rod and a pair of guide rails;
the pair of guide rails is fixedly arranged on the wall surface;
the screw rod is vertically and movably arranged between the pair of guide rails;
the bottom of the lifting seat is provided with a screw rod seat which is fixedly connected;
one end of the first arm rod is detachably and fixedly connected with the lifting seat, and the other end of the first arm rod is detachably and fixedly connected with one end of the second arm rod through the arm rod rotating mechanism; the other end of the arm rod II is fixedly connected with the angle adjusting mechanism;
the oxygen lance is detachably and fixedly arranged on the rotating mechanism through a locking mechanism.
The angle adjusting mechanism comprises a box body, a first gear, a second gear, a rotating disk and a supporting plate;
the box body is fixedly arranged on the second arm rod;
the first gear is movably arranged in the cavity of the box body and is positioned in the middle;
the second gear is movably arranged in the cavity of the box body and meshed with the first gear; the gear two-way motor is driven by the first motor to rotate;
the supporting plate is detachably and fixedly arranged on the rotating disc;
the rotating disc is provided with an arc-shaped groove matched with the oxygen lance.
A plurality of uniformly distributed bulges are arranged in the arc-shaped groove; the top of the bulge is provided with a groove.
The locking mechanism comprises an oil cylinder, a connecting rod, a clamping seat and a base plate;
the base plate is detachably and fixedly arranged on the angle adjusting mechanism;
the cylinder body of the oil cylinder is fixedly arranged on the backing plate;
one end of the connecting rod is hinged with the telescopic rod end of the oil cylinder, and the other end of the connecting rod is hinged with the middle position of the clamping seat;
the clamping seat is provided with a containing groove matched with the oxygen lance;
one end of the clamping seat is hinged to the base plate.
The arm lever rotating mechanism comprises a gear A, a gear B, a rotating lever, a bracket and a motor II;
the motor II is fixedly arranged on the arm rod I through a bracket;
the rotating rod is vertically and fixedly arranged at the end part of the second arm rod; a connecting hole matched with the rotating rod is formed in the first arm rod; a plurality of bearings are arranged in the connecting holes; the rotating rod extends out of the connecting hole of the first arm rod through a bearing and is fixedly connected with the gear A;
the gear B is fixedly arranged on a rotating rod of the motor II;
the gear A is meshed with the gear B.
The utility model comprises an oxygen lance, an angle adjusting mechanism, a first arm rod, a second arm rod, a lifting seat, a screw rod and a pair of guide rails; the oxygen top-blown converter needs to be properly adjusted in angle in the production process, and the quality and the efficiency of steel making are improved. The angle adjustment of the vertical direction of the oxygen lance is realized through the angle adjusting mechanism, and the adaptability of the oxygen top-blown converter is improved by adjusting the angle adjustment of the oxygen lance. The arm lever two-way realizes the rotation of the arm lever in the horizontal direction through the arm lever rotating mechanism; according to the process requirements of the basic oxygen furnace, oxygen is injected at the corresponding position in the basic oxygen furnace, so that the steel-making efficiency is improved. The height of the oxygen lance is adjusted by the cooperation of the screw rod and the pair of guide rails, so that the oxygen lance can conveniently and rapidly enter the oxygen top-blown converter or rapidly move out of the oxygen top-blown converter, and the production efficiency is improved. One end of the screw rod is fixedly connected with a rotating shaft of the motor A. The utility model has the characteristics of compact reasonable, it is simple and convenient to use, the regulative mode is various, the oxygen rifle location is accurate etc.
Drawings
Figure 1 is a schematic structural view of the present invention,
FIG. 2 is a structural view of the oxygen lance in a tilted state,
figure 3 is an enlarged schematic view of the locking mechanism,
FIG. 4 is a schematic structural view of an angle adjustment mechanism;
in the figure, 1 is an oxygen lance, 2 is an angle adjusting mechanism, 21 is a box body, 22 is a gear I, 23 is a gear II, 24 is a rotating disc, 25 is a supporting plate, 3 is an arm I, 4 is an arm II, 5 is a lifting seat, 6 is a screw rod, 7 is a guide rail, 8 is a locking mechanism, 81 is an oil cylinder, 82 is a connecting rod, 83 is a clamping seat, 84 is a backing plate, 9 is an arm rotating mechanism, 91 is a gear A, 92 is a gear B, 93 is a support and 94 is a motor II.
Detailed Description
The utility model is shown in figures 1-4 and comprises an oxygen lance 1, an angle adjusting mechanism 2, a first arm rod 3, a second arm rod 4, a lifting seat 5, a screw rod 6 and a pair of guide rails 7;
the pair of guide rails 7 is fixedly arranged on the wall surface;
the screw rod 6 is vertically and movably arranged between the pair of guide rails 7;
the bottom of the lifting seat 5 is provided with a screw rod seat which is fixedly connected; the screw rod seat is matched with the screw rod 6; the ascending or descending function of the lifting seat 5 is realized through the positive and negative rotation of the screw rod 6;
one end of the first arm rod 3 is detachably and fixedly connected with the lifting seat 5 through a connecting piece, and the other end of the first arm rod is detachably and fixedly connected with one end of the second arm rod 4 through an arm rod rotating mechanism 9; the other end of the second arm rod 4 is fixedly connected with the angle adjusting mechanism 2;
the oxygen lance 1 is detachably and fixedly arranged on the rotating mechanism through a locking mechanism 8. The locking mechanism 8 can realize rapid positioning and locking of the oxygen lance 1.
The oxygen top-blown converter needs to be properly adjusted in angle in the production process, and the quality and the efficiency of steel making are improved. The angle adjustment of the vertical direction of the oxygen lance 1 is realized through the angle adjusting mechanism 2, and the adaptability of the oxygen top-blown converter is improved through adjusting the angle adjustment of the oxygen lance 1.
The second arm rod 4 realizes the rotation of the first arm rod 3 in the horizontal direction through an arm rod rotating mechanism 9; according to the process requirements of the basic oxygen furnace, oxygen is injected at the corresponding position in the basic oxygen furnace, so that the steel-making efficiency is improved.
The height of the oxygen lance 1 is adjusted by the cooperation of the screw rod 6 and the pair of guide rails 7, so that the oxygen lance 1 can conveniently and rapidly enter the oxygen top-blown converter or rapidly move out of the oxygen top-blown converter, and the production efficiency is improved. One end of the screw rod 6 is fixedly connected with a rotating shaft of the motor A.
The angle adjusting mechanism 2 comprises a box body 21, a first gear 22, a second gear 23, a rotating disc 24 and a supporting plate 25;
the box body 21 is fixedly arranged on the second arm rod 4;
the first gear 22 is movably arranged in the cavity of the box body 21 and is positioned in the middle;
the second gear 23 is movably arranged in the cavity of the box body 21 and meshed with the first gear 22; the second gear 23 is driven to rotate by a motor;
the supporting plate 25 is detachably and fixedly arranged on the rotating disc 24;
the rotating disc 24 is provided with an arc-shaped groove matched with the oxygen lance 1.
The second gear 23 is fixedly connected to a motor rotating shaft of the first motor, and the first gear 22 is meshed with the second gear 23 to drive the first gear 22 to rotate; the first gear 22 rotates to drive the fixedly connected supporting plate 25 to rotate, so that the angle adjustment of the oxygen lance 1 is realized, the adjustment can be carried out according to the rotating angle of the oxygen top-blown converter, and the oxygen injection efficiency and quality are improved.
A plurality of uniformly distributed bulges are arranged in the arc-shaped groove; the top of the bulge is provided with a groove. The groove and the oxygen lance 1 are in line contact, so that the connection stability and reliability are improved.
The locking mechanism comprises an oil cylinder 81, a connecting rod 82, a clamping seat 83 and a backing plate 84;
the backing plate 84 is detachably and fixedly arranged on the supporting plate 25 of the angle adjusting mechanism 2;
the cylinder body of the oil cylinder 81 is fixedly arranged on the backing plate 84;
one end of the connecting rod 82 is hinged with the telescopic rod end of the oil cylinder 81, and the other end is hinged with the middle position of the clamping seat 83;
the clamping seat 83 is provided with a containing groove matched with the oxygen lance 1;
one end of the clamping seat 83 is hinged on the backing plate 84.
The opening or closing of the clamping seat 83 is realized through the expansion and contraction of the oil cylinder 81; as shown in FIG. 3, the telescopic rod of the oil cylinder 81 extends out, the connecting rod 82 pushes the clamping seat 83 to close the clamping seat 83, and the oxygen lance 1 is fixed on the supporting plate 25.
The arm lever rotating mechanism 9 comprises a gear A91, a gear B92, a rotating lever, a bracket 93 and a motor II 94;
the second motor 94 is fixedly arranged on the first arm rod 3 through a support 93;
the rotating rod is vertically and fixedly arranged at the end part of the second arm rod 4; the first arm rod 3 is provided with a connecting hole matched with the rotating rod; a plurality of bearings are arranged in the connecting holes; the rotating rod extends out of the connecting hole of the first arm rod 3 through a bearing and is fixedly connected with the gear A91;
the gear B92 is fixedly arranged on a rotating rod of the second motor 94;
the gear A91 is meshed with the gear B92.
The rotating rod of the motor II 94 drives the gear B92 to rotate, and the gear B92 is meshed with the gear A91; gear A91 fixed connection is on the rotary rod, and then realizes the rotation of rotary rod, and arm two 4 carries out the position control of horizontal direction according to oxygen top-blown converter promptly, improves the accuracy nature of oxygen rifle 1 oxygen-blowing.
Claims (4)
1. The oxygen injection device for steelmaking is characterized by comprising an oxygen lance, an angle adjusting mechanism, a first arm rod, a second arm rod, a lifting seat, a screw rod and a pair of guide rails;
the pair of guide rails is fixedly arranged on the wall surface;
the screw rod is vertically and movably arranged between the pair of guide rails;
the bottom of the lifting seat is provided with a screw rod seat which is fixedly connected;
one end of the first arm rod is detachably and fixedly connected with the lifting seat, and the other end of the first arm rod is detachably and fixedly connected with one end of the second arm rod through the arm rod rotating mechanism; the other end of the arm rod II is fixedly connected with the angle adjusting mechanism;
the oxygen lance is detachably and fixedly arranged on the rotating mechanism through a locking mechanism;
the angle adjusting mechanism comprises a box body, a first gear, a second gear, a rotating disk and a supporting plate;
the box body is fixedly arranged on the second arm rod;
the first gear is movably arranged in the cavity of the box body and is positioned in the middle;
the second gear is movably arranged in the cavity of the box body and meshed with the first gear; the gear two-way motor is driven by the first motor to rotate;
the supporting plate is detachably and fixedly arranged on the rotating disc;
the rotating disc is provided with an arc-shaped groove matched with the oxygen lance.
2. The steelmaking oxygen injection apparatus as claimed in claim 1 wherein the arcuate slot is provided with a plurality of uniformly spaced projections; the top of the bulge is provided with a groove.
3. The steelmaking oxygen injection apparatus of claim 1 wherein the locking mechanism includes a cylinder, a connecting rod, a clamp and a backing plate;
the base plate is detachably and fixedly arranged on the angle adjusting mechanism;
the cylinder body of the oil cylinder is fixedly arranged on the backing plate;
one end of the connecting rod is hinged with the telescopic rod end of the oil cylinder, and the other end of the connecting rod is hinged with the middle position of the clamping seat;
the clamping seat is provided with a containing groove matched with the oxygen lance;
one end of the clamping seat is hinged to the base plate.
4. The steelmaking oxygen injection device as claimed in claim 1, wherein the arm lever rotating mechanism includes a gear a, a gear B, a rotating lever, a bracket and a motor two;
the motor II is fixedly arranged on the arm rod I through a bracket;
the rotating rod is vertically and fixedly arranged at the end part of the second arm rod; a connecting hole matched with the rotating rod is formed in the first arm rod; a plurality of bearings are arranged in the connecting holes; the rotating rod extends out of the connecting hole of the first arm rod through a bearing and is fixedly connected with the gear A;
the gear B is fixedly arranged on a rotating rod of the motor II;
the gear A is meshed with the gear B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822037778.6U CN212223032U (en) | 2018-12-05 | 2018-12-05 | Oxygen injection device for steel making |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822037778.6U CN212223032U (en) | 2018-12-05 | 2018-12-05 | Oxygen injection device for steel making |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212223032U true CN212223032U (en) | 2020-12-25 |
Family
ID=73901423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822037778.6U Expired - Fee Related CN212223032U (en) | 2018-12-05 | 2018-12-05 | Oxygen injection device for steel making |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212223032U (en) |
-
2018
- 2018-12-05 CN CN201822037778.6U patent/CN212223032U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201225 |