CN216073899U

CN216073899U - Automatic oxygen supply adjusting device for converter

Info

Publication number: CN216073899U
Application number: CN202122570482.2U
Authority: CN
Inventors: 张静文; 黄尧; 章莉
Original assignee: Wuhan Xiansi Technology Co ltd
Current assignee: Wuhan Xiansi Technology Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-03-18
Anticipated expiration: 2031-10-25

Abstract

The utility model discloses an automatic oxygen supply adjusting device for a converter, and particularly relates to the field of oxygen supply of the converter, which comprises a main body mechanism, wherein an adjusting mechanism is arranged inside the main body mechanism, the main body mechanism comprises a converter body, an oxygen spray gun tube is arranged inside the converter body, the adjusting mechanism comprises a U-shaped seat, a plurality of connecting rods are fixedly arranged on the inner wall of the U-shaped seat, a supporting seat is fixedly arranged at one end of each connecting rod, a turntable is rotatably connected to the inner cavity of the supporting seat, a fan is fixedly arranged on the inner wall of the turntable, a rotating rod is fixedly arranged on the outer wall of the fan, a reciprocating lead screw is fixedly connected to the bottom of the fan, and a ball nut is rotatably connected to the outer wall of the reciprocating lead screw. The ball nut drives the pressing ring to reciprocate up and down on the outer wall of the first air bag to extrude, so that the second air bag is inflated to expand or tend to be smooth, the size of the oxygen circulation opening of the inner cavity of the oxygen lance tube is automatically controlled and adjusted, and the practical use is facilitated.

Description

Automatic oxygen supply adjusting device for converter

Technical Field

The utility model relates to the technical field of converter oxygen supply, in particular to an automatic converter oxygen supply adjusting device.

Background

Oxygen steelmaking, a method of supplying oxygen to an iron-making process, comprises separating oxygen from air by rectification of the air, supplying a first oxygen stream from the rectification to the steel-making process, and supplying a second oxygen stream from the rectification to the iron-making process.

When oxygen is supplied to the converter, the flow of the oxygen supply needs to be kept gentle to ensure the refining quality, and conventionally, when the oxygen supply is regulated, a valve of an inlet needs to be manually controlled after actual conditions are observed manually, so that the oxygen supply regulating device is very troublesome to use and inconvenient to use practically.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above drawbacks of the prior art, embodiments of the present invention provide an automatic oxygen supply adjustment device for a converter, in which a ball nut drives a compression ring to reciprocate up and down on an outer wall of a first airbag for extrusion, so as to inflate or flatten a second airbag, thereby solving the above problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: an automatic oxygen supply adjusting device for a converter comprises a main body mechanism, wherein an adjusting mechanism is arranged inside the main body mechanism, the main body mechanism comprises a converter body, an oxygen spray gun tube is arranged inside the converter body, the adjusting mechanism comprises a U-shaped seat, a plurality of connecting rods are fixedly arranged on the inner wall of the U-shaped seat, a supporting seat is fixedly arranged at one end of each connecting rod, a turntable is connected to the inner cavity of each supporting seat in a rotating manner, a fan is fixedly arranged on the inner wall of the turntable, a rotating rod is fixedly arranged on the outer wall of the fan, a reciprocating lead screw is fixedly connected to the bottom of the fan, a ball nut is connected to the outer wall of the reciprocating lead screw in a rotating manner, a pressing ring is arranged at the bottom of the ball nut, a plurality of bearing rods are fixedly arranged between the ball nut and the pressing ring, a first air bag is arranged at the bottom of the reciprocating lead screw, a second air bag is arranged at the bottom of the first air bag, and a gas pipe is communicated between the first air bag and the second air bag.

By adopting the technical scheme, when oxygen is conveyed into the converter body, according to the oxygen flow, certain wind generated by the oxygen passes through the oxygen lance tube blows the rotating rod to rotate so as to drive the fan to rotate, and meanwhile, the ball nut on the outer wall of the reciprocating screw drives the press ring to move downwards while rotating, and extrudes the first air bag, so that the gas in the first air bag inner cavity enters the second air bag inner cavity through the gas transmission pipe to inflate the second air bag, when the oxygen amount is larger, the press ring extrudes the first air bag more and more downwards so that the second air bag is inflated and expanded to block the inner cavity of the oxygen spray gun tube, the flow passage of the oxygen is reduced, when the oxygen amount is normal, the first air bag and the second air bag keep normal state, oxygen can freely pass through, therefore, when the oxygen flow is too fast to be monitored in real time, the oxygen flow can be automatically regulated.

In a preferred embodiment, the U-shaped seat is sleeved on one side of the oxygen lance tube, and a plurality of slots are formed in one side of the U-shaped seat.

By adopting the technical scheme, the U-shaped seat is sleeved on the outer wall of the oxygen lance tube, so that the adjusting mechanism and the main body mechanism can be disassembled and assembled more conveniently.

In a preferred embodiment, a plurality of connecting plates are fixedly arranged at the top of the oxygen lance pipe, and the connecting plates are inserted into the inner cavity of the slot.

By adopting the technical scheme, the connection plate is inserted into the inner cavity of the slot, so that the adjustment mechanism is prevented from rotating in the inner cavity of the main body mechanism and influencing the practical use.

In a preferred embodiment, the top of the oxygen lance tube is provided with an oxygen access tube which is screwed to the outer wall of the connector plate.

By adopting the technical scheme, the oxygen access pipe and the connecting plate are arranged, so that the oxygen spray gun pipe and the oxygen access pipe can be disassembled and assembled more conveniently, and meanwhile, the length of an actual oxygen supply pipeline can be adjusted according to actual conditions.

In a preferred embodiment, the fan and the reciprocating lead screw are integrally arranged, and the fan and the reciprocating lead screw are both arranged in a hollow shape.

Adopt above-mentioned technical scheme, set up to cavity form through with fan and reciprocal lead screw to be used for alleviateing self weight, make when carrying oxygen, can drive it through the bull stick and rotate, so that going on of follow-up work.

In a preferred embodiment, the first air bag is disposed in an elliptical shape, the second air bag is disposed in a cylindrical shape, and the first air bag is disposed in a vertical shape in an inner cavity of the oxygen lance tube.

Adopt above-mentioned technical scheme, set up first gasbag into the ellipse circular, can be better with bearing rod and clamping ring cooperate and extrude, the second gasbag sets up to the column for it can be identical with the inside of oxygen spray gun pipe when the inflation, makes the second gasbag take place to expand or shrink and reach the effect of adjusting oxygen spray gun pipe inner chamber oxygen gas flow opening size.

In a preferred embodiment, the diameter length of the first air bag at the horizontal axial center shaft is greater than that of the pressure ring, and the linear distance of the ball nut is smaller than that of the first air bag at the vertical axial center shaft.

Adopt above-mentioned technical scheme, the diameter through making first gasbag is greater than the diameter of clamping ring, can extrude it when the clamping ring cover is at first gasbag outer wall, and the linear distance through with ball nut is less than the length of first gasbag to be used for preventing that the clamping ring from passing behind the first gasbag can't bounce, and lead to unable reuse.

The utility model has the technical effects and advantages that:

according to the utility model, the rotating rod rotates and simultaneously drives the reciprocating screw rod to rotate according to the oxygen quantity passing through the inner cavity of the oxygen lance tube, and the ball nut drives the pressing ring to reciprocate up and down on the outer wall of the first air bag to extrude, so that the gas in the inner cavity of the first air bag enters the inner cavity of the second air bag through the gas conveying pipe, and the second air bag is inflated and expanded or tends to be smooth, thereby automatically controlling and adjusting the size of the oxygen circulation opening of the inner cavity of the oxygen lance tube, and being more convenient for practical use.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a sectional view of the overall structure of the present invention.

FIG. 3 is an enlarged view of the portion A of FIG. 2 according to the present invention.

The reference signs are: 1 main body mechanism, 101 converter body, 102 oxygen lance tube, 103 oxygen access tube, 104 connection plate, 2 adjusting mechanism, 21U-shaped seat, 22 connection rod, 23 support seat, 24 rotary disc, 25 fan, 26 rotary rod, 27 reciprocating screw rod, 28 ball nut, 29 support rod, 210 press ring, 211 first air bag, 212 second air bag, 213 air pipe and 214 slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to the attached drawings 1-3 of the specification, an automatic oxygen supply adjusting device for a converter according to an embodiment of the present invention is shown in fig. 1-2, and includes a main body mechanism 1, an adjusting mechanism 2 for controlling the amount of oxygen flow is disposed inside the main body mechanism 1, the main body mechanism 1 includes a converter body 101, an oxygen lance tube 102 is disposed inside the converter body 101, the adjusting mechanism 2 includes a U-shaped seat 21, in order to improve the convenience of assembly and disassembly between the main body mechanism 1 and the adjusting mechanism 2, the U-shaped seat 21 is sleeved on one side of the oxygen lance tube 102, a plurality of slots 214 are disposed on one side of the U-shaped seat 21, a plurality of connecting plates 104 are fixedly mounted on the top of the oxygen lance tube 102, and the connecting plates 104 are inserted into the inner cavities of the slots 214, so as to prevent the adjusting mechanism 2 from rotating in the inner cavity of the main body mechanism 1, thereby affecting the actual use, and facilitating the cutting into the length of an actual oxygen supply pipeline to be adjusted according to actual situations, an oxygen access pipe 103 is arranged at the top of the oxygen lance pipe 102, and the oxygen access pipe 103 is in threaded connection with the outer wall of the connecting plate 104, so that the oxygen lance pipe 102 and the oxygen access pipe 103 can be disassembled and assembled more conveniently.

As shown in fig. 3, a plurality of linking rods 22 are fixedly mounted on the inner wall of the U-shaped seat 21, a supporting seat 23 is fixedly mounted at one end of each of the linking rods 22, a rotary disc 24 is rotatably connected to the inner cavity of the supporting seat 23, a fan 25 is fixedly mounted on the inner wall of the rotary disc 24, a rotating rod 26 is fixedly mounted on the outer wall of the fan 25, and a reciprocating lead screw 27 is fixedly connected to the bottom of the fan 25, wherein the fan 25 and the reciprocating lead screw 27 are integrally arranged, and the fan 25 and the reciprocating lead screw 27 are both arranged in a hollow shape to reduce the weight of the fan, so that when oxygen is conveyed, certain air is generated when the oxygen passes through the oxygen lance tube 102 to blow the rotating rod 26 to rotate, thereby driving the fan 25 to rotate.

Meanwhile, as shown in fig. 3, in order to make the adjusting mechanism 2 function as a self-adjusting oxygen supply in the inner cavity of the oxygen lance tube 102, the outer wall of the reciprocating screw 27 is rotatably connected with a ball nut 28, the bottom of the ball nut 28 is provided with a press ring 210, a plurality of support rods 29 are fixedly arranged between the ball nut 28 and the press ring 210, the bottom of the reciprocating screw 27 is provided with a first air bag 211, the bottom of the first air bag 211 is provided with a second air bag 212, an air pipe 213 is communicated between the first air bag 211 and the second air bag 212, so that when the reciprocating screw 27 rotates, the ball nut 28 on the outer wall of the pressing ring drives the pressing ring 210 to move downwards while rotating, and presses the first air bag 211, so that the gas in the inner cavity of the first airbag 211 enters the inner cavity of the second airbag 212 through the gas delivery pipe 213, causing the second bladder 212 to inflate and thereby reduce the size of the opening through which oxygen may flow from the interior of the oxygen lance tube 102.

Wherein, when the cover was extruded to first gasbag 211 outer wall as clamping ring 210, for preventing that clamping ring 210 can't rebound after passing first gasbag 211, and lead to unable reuse, set up first gasbag 211 to ellipse circular, second gasbag 212 is the column setting, and first gasbag 211 is the inner chamber of vertical form setting at oxygen gun barrel 102, and simultaneously, the diameter length of the level of first gasbag 211 to center pin department is greater than the diameter length of clamping ring 210, make clamping ring 210 cover can extrude it when first gasbag 211 outer wall, and ball nut 28's linear distance is less than the vertical linear distance to center pin department of first gasbag 211.

The working principle is as follows: during actual use, the adjusting mechanism 2 is firstly installed in the inner cavity of the oxygen lance tube 102, then the oxygen lance tube 102 is connected with the oxygen access tube 103, the oxygen access tube 103 accesses oxygen, when oxygen is conveyed, certain wind generated by the oxygen passes through the oxygen lance tube 102 blows the rotating rod 26 to rotate, so as to drive the fan 25 to rotate, meanwhile, the ball nut 28 on the outer wall of the reciprocating screw 27 drives the pressing ring 210 to reciprocate and move up and down while rotating, the first air bag 211 is extruded in the downward movement process, so that the gas in the inner cavity of the first air bag 211 enters the inner cavity of the second air bag 212 through the gas pipe 213, the second air bag 212 is inflated and expanded, the oxygen transportation passage port of the oxygen lance tube 102 is reduced, and meanwhile, when the oxygen amount is normal, the first air bag 211 and the second air bag 212 keep a normal state, and oxygen can freely pass through.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the utility model can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides a converter oxygen suppliment automatically regulated device, includes main body structure (1), the inside of main body structure (1) is equipped with adjustment mechanism (2), its characterized in that: the main body mechanism (1) comprises a converter body (101), an oxygen lance pipe (102) is arranged inside the converter body (101), the adjusting mechanism (2) comprises a U-shaped seat (21), a plurality of connecting rods (22) are fixedly arranged on the inner wall of the U-shaped seat (21), a plurality of supporting seats (23) are fixedly arranged at one ends of the connecting rods (22), a turntable (24) is connected to the inner cavity of each supporting seat (23) in a rotating manner, a fan (25) is fixedly arranged on the inner wall of the turntable (24), a rotating rod (26) is fixedly arranged on the outer wall of each fan (25), a reciprocating lead screw (27) is fixedly connected to the bottom of each fan (25), a ball nut (28) is connected to the outer wall of each reciprocating lead screw (27) in a rotating manner, a pressing ring (210) is arranged at the bottom of each ball nut (28), a plurality of bearing rods (29) are fixedly arranged between each ball nut (28) and the pressing ring (210), the bottom of reciprocal lead screw (27) is equipped with first gasbag (211), the bottom of first gasbag (211) is equipped with second gasbag (212), it is equipped with air-supply pipe (213) to communicate between first gasbag (211) and second gasbag (212).

2. The automatic oxygen supply regulating device for the converter according to claim 1, wherein: the U-shaped seat (21) is sleeved on one side of the oxygen lance pipe (102), and a plurality of inserting grooves (214) are formed in one side of the U-shaped seat (21).

3. The automatic oxygen supply regulating device for the converter according to claim 2, wherein: the top of the oxygen lance tube (102) is fixedly provided with a plurality of connecting plates (104), and the connecting plates (104) are inserted into the inner cavity of the slot (214).

4. The automatic oxygen supply regulating device for the converter according to claim 3, wherein: an oxygen access pipe (103) is arranged at the top of the oxygen lance pipe (102), and the oxygen access pipe (103) is in threaded connection with the outer wall of the connecting plate (104).

5. The automatic oxygen supply regulating device for the converter according to claim 1, wherein: fan (25) and reciprocal lead screw (27) are the integral type setting, just fan (25) and reciprocal lead screw (27) all are the cavity form setting.

6. The automatic oxygen supply regulating device for the converter according to claim 2, wherein: the first air bag (211) is arranged to be oval, the second air bag (212) is arranged to be columnar, and the first air bag (211) is arranged in the inner cavity of the oxygen lance tube (102) vertically.

7. The automatic oxygen supply regulating device for the converter according to claim 6, wherein: the diameter length of the horizontal central axis of the first air bag (211) is larger than that of the pressing ring (210), and the linear distance of the ball nut (28) is smaller than that of the vertical central axis of the first air bag (211).