Spiral lance nozzle

Abstract

The utility model relates to oxygen lance technical field, concretely is spiral oxygen lance nozzle, include: oxygen lance body and connecting pipe, be equipped with connecting pipe on the oxygen lance body, be equipped with positioning mechanism on the connecting pipe, be equipped with screw thread cylinder in the positioning mechanism, first recessed panel is equipped with on the screw thread cylinder outside, be equipped with pivot on the first recessed panel, be equipped with locating rod on the pivot, the locating rod one end is equipped with the cap, and be equipped with the nozzle mechanism on the screw thread cylinder, be equipped with screw thread pipe in the nozzle mechanism, be equipped with nut on the screw thread pipe, be equipped with fixed sleeve on the nut, adopt positioning mechanism and can carry out the positioning work to spiral nozzle, can be installed on the oxygen lance through screw through the nozzle mechanism, carry out the reinforcing work through the positioning mechanism.

Description

Technical Field

[0001] This utility model relates to the field of oxygen lance technology, specifically to a spiral oxygen lance nozzle. Background Technology

[0002] The oxygen lance nozzle is the core device that provides a supersonic oxygen jet to the molten pool during the converter steelmaking process. Its structural design directly affects the efficiency of metallurgical reaction and the quality of molten steel.

[0003] In response, Chinese patent application number CN208857331U discloses a refining oxygen lance nozzle, comprising an oxygen lance nozzle body with an outer tapered tube, a middle tapered tube, and an oxygen outlet tube welded on them respectively. The oxygen lance nozzle body is provided with a flow divider, and an oxygen spraying channel communicating with the oxygen outlet tube is provided between the flow divider and the oxygen lance nozzle body. Each oxygen spraying channel corresponds to a guide plate, and a baffle plate is provided between the guide plate and the oxygen spraying channel. The end of the oxygen lance nozzle body is provided with a first annular insertion groove, and the bottom of the first annular insertion groove is provided with a first annular protrusion. The end of the outer tapered tube is provided with a first annular groove. One inner wall of the first annular insertion groove abuts against the inner wall of the outer tapered tube, and the other inner wall of the first annular insertion groove is provided with a first welding gap between the outer wall of the outer tapered tube. A first row of welding protrusions on the first annular insertion groove and a second row of welding protrusions on the outer tapered tube are filled with solder and welded together. This utility model has the characteristics of wide oxygen blowing area, long service life, reliable welding, and high quality.

[0004] However, existing spiral oxygen lance nozzles are mostly fixed to the oxygen lance with threads, and the existing devices cannot fix the oxygen lance nozzles in place as needed. This may cause the nozzles to fall off during use, thus affecting the normal operation of the device.

[0005] Therefore, in order to solve the above problems, a spiral oxygen lance nozzle was proposed. Utility Model Content

[0006] The purpose of this invention is to provide a spiral oxygen lance nozzle to solve the problem mentioned in the background section of the prior art. In the prior art, the oxygen lance nozzle is mostly fixed to the oxygen lance by threads, and the existing device cannot fix the oxygen lance nozzle as needed, which may cause the nozzle to fall off during use, thus affecting the normal operation of the device.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a spiral oxygen lance nozzle, comprising: an oxygen lance body and a connecting pipe, wherein the oxygen lance body is provided with the connecting pipe, the connecting pipe is provided with a positioning mechanism, the positioning mechanism is provided with a threaded cylinder, the outer side of the threaded cylinder is provided with a first grooved plate, the first grooved plate is provided with a rotating shaft, the rotating shaft is provided with a positioning rod, one end of the positioning rod is provided with a cap, and a nozzle mechanism is provided on the threaded cylinder, the nozzle mechanism is provided with a threaded tube, the threaded tube is provided with a nut, and the nut is provided with a fixing sleeve. The positioning mechanism can be used to position the spiral nozzle, and the nozzle mechanism can be threadedly installed on the oxygen lance, and the positioning mechanism can be used for reinforcement.

[0008] Preferably, a spiral nozzle is fixedly installed on the fixing sleeve, and a second grooved plate is fixedly installed on the outside of the fixing sleeve. The fixing sleeve can support and fix the second grooved plate.

[0009] Preferably, a limiting bolt is threadedly installed on the second groove plate, and a limiting sleeve is threadedly installed on one end of the limiting bolt, with the second groove plate supporting the limiting bolt.

[0010] Preferably, the threaded cylinder is fixedly installed on the connecting pipe, the first grooved plate is fixedly installed on the threaded cylinder, and the threaded pipe can be threadedly installed inside the threaded cylinder to install the spiral nozzle.

[0011] Preferably, the rotating shaft is fixedly mounted on the first groove plate, and one end of the positioning rod is fixedly mounted on the rotating shaft, so that the positioning rod can move by using the rotating shaft.

[0012] Preferably, the cap is fixedly installed on the positioning rod, and the threaded pipe is threaded inside the threaded cylinder. The cap can be used to limit the positioning rod at one end.

[0013] Preferably, the nut is fixedly installed on the threaded pipe, and the fixing sleeve is fixedly installed on the threaded pipe, so that the nut can drive the threaded pipe to rotate.

[0014] Compared with the prior art, the beneficial effects of this utility model are: 1. By setting a positioning mechanism, the spiral nozzle can be positioned as needed. Compared with the existing structure, this utility model adopts a threaded cylinder, a first grooved plate, a rotating shaft, a positioning rod, a nut, etc., which can fix the spiral nozzle in place. This structure is simple and practical, thereby improving the practicality of the device.

[0015] 2. The device is equipped with a nozzle mechanism that allows the spiral nozzle to be installed on the oxygen lance. Compared to existing structures, this device uses a threaded tube, nut, fixing sleeve, second groove plate, limit bolt, etc. The limit bolt can limit one end of the positioning rod as needed. This structure is simple and not easily damaged, thereby improving the stability of the device. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the content of the embodiments of this utility model and these drawings without creative effort.

[0017] Figure 1 This is a front view schematic diagram of the structure of this utility model; Figure 2 This is a front view schematic diagram of the main structure of the present utility model; Figure 3 This is a front sectional view of the main body of the device of this utility model; Figure 4 This is a front sectional view of the nozzle mechanism of this utility model; Figure 5 This is a cross-sectional schematic diagram of the positioning mechanism of this utility model.

[0018] In the diagram: 1. Oxygen lance body; 2. Connecting pipe; 3. Positioning mechanism; 31. Threaded cylinder; 32. First grooved plate; 33. Rotating shaft; 34. Positioning rod; 35. Cap; 4. Nozzle mechanism; 41. Threaded pipe; 42. Nut; 43. Fixing sleeve; 44. Spiral nozzle; 45. Second grooved plate; 46. Limiting bolt; 47. Limiting sleeve. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model; the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In addition, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0021] Please see Figures 1-5 One embodiment provided by this utility model: The oxygen lance body 1 and the spiral nozzle 44 used in this application are products that can be purchased directly from the market. Their principles and connection methods are existing technologies well known to those skilled in the art, so they will not be described in detail here.

[0022] A spiral oxygen lance nozzle includes: an oxygen lance body 1 and a connecting pipe 2. The oxygen lance body 1 is provided with the connecting pipe 2, and the connecting pipe 2 is provided with a positioning mechanism 3. The positioning mechanism 3 is provided with a threaded cylinder 31, and the outer side of the threaded cylinder 31 is provided with a first grooved plate 32. The first grooved plate 32 is provided with a rotating shaft 33, and the rotating shaft 33 is provided with a positioning rod 34. One end of the positioning rod 34 is provided with a cap 35, and a nozzle mechanism 4 is provided on the threaded cylinder 31. The nozzle mechanism 4 is provided with a threaded tube 41, and the threaded tube 41 is provided with a nut 42. The nut 42 is provided with a fixing sleeve 43. By setting this component, the spiral nozzle 44 can be positioned by the positioning mechanism 3, and the spiral nozzle 44 can be reinforced by the nozzle mechanism 4.

[0023] As a further improvement of this utility model, a spiral nozzle 44 is fixedly installed on the fixing sleeve 43, and a second groove plate 45 is fixedly installed on the outside of the fixing sleeve 43. By setting this component, the spiral nozzle 44 can be supported and fixed by the fixing sleeve 43.

[0024] As a further improvement of this utility model, a limiting bolt 46 is threadedly installed on the second groove plate 45, and a limiting sleeve 47 is threadedly installed on one end of the limiting bolt 46. By setting this component, the limiting bolt 46 can be supported and limited by the second groove plate 45.

[0025] As a further improvement of this utility model, the threaded cylinder 31 is fixedly installed on the connecting pipe 2, and the first groove plate 32 is fixedly installed on the threaded cylinder 31. By setting this component, the threaded pipe 41 can be limited and fixed through the threaded cylinder 31.

[0026] As a further improvement of this utility model, the rotating shaft 33 is fixedly installed on the first groove plate 32, and one end of the positioning rod 34 is fixedly installed on the rotating shaft 33. By setting this component, the first groove plate 32 can support and fix the rotating shaft 33.

[0027] As a further improvement of this utility model, the cap 35 is fixedly installed on the positioning rod 34, and the threaded tube 41 is threadedly installed inside the threaded cylinder 31. By setting this component, one end of the positioning rod 34 can be limited by the cap 35.

[0028] As a further improvement of this utility model, the nut 42 is fixedly installed on the threaded tube 41, and the fixing sleeve 43 is fixedly installed on the threaded tube 41. By setting this component, the threaded tube 41 can be rotated by the nut 42.

[0029] Working principle: When the spiral oxygen lance nozzle is needed, simply connect it to the threaded cylinder 31 through the connecting pipe 2. Then, rotate the fixed sleeve 43 and the threaded pipe 41 by the nut 42 on the spiral nozzle 44, thereby threading the threaded pipe 41 into the threaded cylinder 31. The positioning rod 34 can then be moved into the second grooved plate 45 by the rotating shaft 33 on the first grooved plate 32. The positioning rod 34 is then positioned by the limiting bolt 46 and the limiting sleeve 47. During this process, the positioning rod 34 can be prevented from falling off by the cap 35. This completes the work.

[0030] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any way. Those skilled in the art can readily implement this utility model based on the accompanying drawings and the above description. However, any modifications, alterations, or equivalent variations made by those skilled in the art without departing from the scope of the utility model's technical solution, utilizing the disclosed technical content, are considered equivalent embodiments of this utility model. Furthermore, any equivalent changes, alterations, or variations made to the above embodiments based on the essential technology of this utility model are still within the protection scope of this utility model's technical solution.

Claims

1. A spiral oxygen lance nozzle, including: The oxygen lance body (1) and the connecting pipe (2) are provided on the oxygen lance body (1). The feature is that: a positioning mechanism (3) is provided on the connecting pipe (2), a threaded cylinder (31) is provided inside the positioning mechanism (3), a first groove plate (32) is provided on the outside of the threaded cylinder (31), a rotating shaft (33) is provided on the first groove plate (32), a positioning rod (34) is provided on the rotating shaft (33), a cap (35) is provided at one end of the positioning rod (34), and a nozzle mechanism (4) is provided on the threaded cylinder (31), a threaded tube (41) is provided inside the nozzle mechanism (4), a nut (42) is provided on the threaded tube (41), and a fixing sleeve (43) is provided on the nut (42).

2. The spiral oxygen lance nozzle according to claim 1, characterized in that: A spiral nozzle (44) is fixedly installed on the fixed sleeve (43), and a second groove plate (45) is fixedly installed on the outside of the fixed sleeve (43).

3. The spiral oxygen lance nozzle according to claim 2, characterized in that: A limiting bolt (46) is threadedly installed on the second groove plate (45), and a limiting sleeve (47) is threadedly installed on one end of the limiting bolt (46).

4. The spiral oxygen lance nozzle according to claim 1, characterized in that: The threaded cylinder (31) is fixedly installed on the connecting pipe (2), and the first grooved plate (32) is fixedly installed on the threaded cylinder (31).

5. The spiral oxygen lance nozzle according to claim 1, characterized in that: The rotating shaft (33) is fixedly installed on the first groove plate (32), and one end of the positioning rod (34) is fixedly installed on the rotating shaft (33).

6. The spiral oxygen lance nozzle according to claim 1, characterized in that: The cap (35) is fixedly installed on the positioning rod (34), and the threaded tube (41) is threadedly installed inside the threaded cylinder (31).

7. The spiral oxygen lance nozzle according to claim 1, characterized in that: The nut (42) is fixedly installed on the threaded pipe (41), and the fixing sleeve (43) is fixedly installed on the threaded pipe (41).

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