CN210314348U - Install efficient combination formula oxygen rifle shower nozzle - Google Patents
Install efficient combination formula oxygen rifle shower nozzle Download PDFInfo
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- CN210314348U CN210314348U CN201920748549.7U CN201920748549U CN210314348U CN 210314348 U CN210314348 U CN 210314348U CN 201920748549 U CN201920748549 U CN 201920748549U CN 210314348 U CN210314348 U CN 210314348U
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- water diversion
- upper flange
- guide water
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Abstract
The utility model discloses an efficient assembled oxygen lance nozzle, which comprises a middle pipe and a guiding water diversion plate, wherein an upper flange plate is sleeved outside the lower end part of the middle pipe, a step is formed between the lower end surface of the upper flange plate and the lower end surface of the middle pipe, a plurality of arc-shaped strip holes are uniformly distributed on the upper flange plate body in the circumferential direction, an annular bulge is arranged on the upper end surface of the guiding water diversion plate, a lower flange plate is sleeved outside the guiding water diversion plate, and the lower flange plate is fixedly connected with the upper flange plate through a high-strength bolt which is penetrated from bottom to top along the vertical direction; the utility model provides an oxygen rifle shower nozzle has solved the difficult problem of intervalve and direction distributive plate to the mouth, and the installation is high-efficient, and the installation avoids damaging the sealing member.
Description
Technical Field
The utility model relates to an installation efficient combination formula oxygen rifle shower nozzle belongs to converter steelmaking oxygen blowing equipment technical field.
Background
The oxygen lance body consists of three concentric circular pipes, the oxygen lance tail with oxygen supply and water discharge passages and a spray head for spraying oxygen are connected into a whole to form the hollow tubular oxygen lance, for the converter oxygen lance, an inner pipe is a passage for oxygen, and oxygen flows through the inner pipe from an oxygen supply pipe at the tail of the lance and is blown into a metal molten pool through the spray head; the oxygen gun cooling water enters the gun body through the gun tail water inlet branch pipe through an annular passage between the outer pipe, the middle pipe and the inner pipe, descends to the spray head guide water diversion plate, collects in the cavity, rapidly flows through the surface in the spray head end face cavity, turns 180 degrees, enters an outer layer pipe gap, and flows out through the gun ejection water pipe.
No. CN208604157U discloses a high-efficient combination formula forging and pressing oxygen rifle shower nozzle, including the shower nozzle body, outer tube and inner tube all weld with the shower nozzle body, be provided with the intervalve between inner tube and the outer tube, the inside breakwater that is provided with of shower nozzle body, the lower extreme and the breakwater of intervalve are connected, it is equipped with the sealing washer to inlay between intervalve and the breakwater, install a plurality of locating piece between outer tube and the intervalve, be provided with the annular groove that can supply the sealing washer embedding on the outer wall of intervalve lower extreme, be provided with the annular protruding muscle that a plurality of says and distribute from top to bottom on the outer wall of sealing washer, be provided with the annular caulking groove that can supply one of.
Although the sealing effect between the sealing ring and the guide water diversion plate can be improved by the device, the device is not convenient for aligning the middle pipe with the guide water diversion plate after the sealing ring with the bulge is embedded into the annular groove, the diameter of the joint of the lower end of the middle pipe and the guide water diversion plate is often larger, the diameter of the joint is more than 300mm, the aligning process is time-consuming and labor-consuming, the sealing ring is easily creased, distorted and scratched in the aligning installation process, inconvenience and defects obviously exist in the actual use of the prior art, and therefore improvement is necessary.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to above not enough, provide an installation efficient combination formula oxygen rifle shower nozzle, can solve the problem that intermediate pipe and direction diversion plate are difficult to the mouth, make the installation high-efficient, and the installation avoids damaging the sealing member.
For solving the technical problem, the utility model discloses a following technical scheme:
a combined oxygen lance nozzle with high installation efficiency comprises a middle pipe and a guide water diversion plate; an upper flange is sleeved on the outer side of the lower end part of the middle pipe, and a step is formed between the lower end surface of the upper flange and the lower end surface of the middle pipe; a plurality of arc-shaped strip holes are uniformly distributed in the circumferential direction on the upper flange plate body; the upper end surface of the guide water diversion plate is provided with an annular bulge, the width of the section of the bulge is one third of the thickness of the upper end part of the guide water diversion plate, and the height of the section of the bulge is one fourth of the thickness of the sealing gasket; the sealing gasket is of an annular structure, an annular groove is formed in the lower end face of the sealing gasket, and the groove is matched with the protrusion; the outer side of the guide water distribution plate is sleeved with a lower flange plate, and the lower flange plate is fixedly connected with the upper flange plate through a high-strength bolt which penetrates from bottom to top in the vertical direction.
Furthermore, the outer surface of the upper end part of the guide water diversion plate is in clearance fit with the inner surface of the lower end part of the upper flange plate.
Furthermore, a plurality of circular through holes are uniformly distributed in the circumferential direction of the main body of the lower flange plate, the number of the circular through holes is the same as that of the arc-shaped strip holes, and the outer diameter of the lower flange plate is the same as that of the upper flange plate.
Further, the sealing gasket is an asbestos rubber gasket; the sealing gasket is arranged between the lower end surface of the middle pipe and the upper end surface of the guide water diversion plate.
Furthermore, the middle pipe and the upper flange plate are fixed by welding, and the lower flange plate and the guide water distribution plate are fixed by welding.
The utility model adopts the above technical scheme after, compare with prior art, have following advantage:
the oxygen lance nozzle provided by the utility model solves the problem of difficult opening alignment between the intermediate pipe and the guide water diversion plate in the installation process, adopts the plug-in mode in the installation process, shortens the installation time, and has direct and high efficiency in the installation process; the sealing gasket is not easy to wrinkle, distort and scratch in the installation process, and the sealing property between the middle pipe and the guide water diversion plate is ensured; the bolt is fixedly connected, so that later-period maintenance can be facilitated.
The present invention will be described in detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a top view of the intermediate tube;
in the figure, 1-an inner pipe, 2-an intermediate pipe, 201-an upper flange plate, 202-a step, 203-an arc-shaped strip hole, 3-an outer pipe, 4-an oxygen flow distribution body, 5-an oxygen blowing taper pipe, 6-a nozzle crown, 7-a guide water diversion plate, 701-a protrusion, 702-a lower flange plate, 703-a circular through hole, 8-a sealing gasket, 801-a groove and 9-a high-strength bolt.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
Examples
As shown in figure 1, the utility model provides a combined oxygen lance nozzle with high installation efficiency, which comprises an inner tube 1, a middle tube 2 and an outer tube 3, wherein the lower end of the inner tube 1 is provided with an oxygen splitter 4, the oxygen splitter 4 is fixedly connected with an oxygen blowing taper tube 5 on a nozzle crown 6, and the inner cavity of the oxygen blowing taper tube is communicated; the nozzle crown 6 is fixedly connected with the lower end part of the outer tube 3; oxygen flows through the inner tube 1 from an oxygen supply tube at the tail of the lance, passes through the oxygen splitter 4 and the oxygen blowing taper tube 5 and is blown into the metal molten pool.
As shown in fig. 1, 2 and 3, the lower end of the middle pipe 2 is fixedly connected with the upper end of the guide water diversion plate 7; an upper flange plate 201 is sleeved on the outer side of the lower end part of the middle pipe 2, the middle pipe 2 and the upper flange plate 201 are fixed through welding, and a step 202 is formed between the lower end face of the upper flange plate 201 and the lower end face of the middle pipe 2; 8 arc-shaped strip holes 203 are uniformly distributed on the upper flange plate 201 body around the middle pipe 2 in the circumferential direction; the upper end part of the guide water diversion plate 7 is inserted into the step 202, and the outer surface of the upper end part of the guide water diversion plate 7 is in clearance fit with the inner surface of the lower end part of the upper flange plate 201; the upper end face of the guide water diversion plate 7 is provided with an annular bulge 701, the section width of the bulge 701 is one third of the thickness of the upper end part of the guide water diversion plate 7, the section height is one fourth of the thickness of the sealing gasket 8, and the bulge 701 is used for positioning the sealing gasket 8 above so as to be convenient for mounting the sealing gasket 8; the sealing gasket 8 is arranged between the lower end face of the middle pipe 2 and the upper end face of the guide water diversion plate 7, the sealing gasket 8 is of an annular structure, the width of the cross section of the sealing gasket 8 is the same as the thickness of the pipe wall of the middle pipe 2, an annular groove 801 is formed in the lower end face of the sealing gasket 8, and the groove 801 is matched with the protrusion 701; the sealing gasket 8 is an asbestos rubber gasket; a lower flange plate 702 is sleeved on the outer side of the guide water distribution plate 7, the lower flange plate 702 and the guide water distribution plate 7 are fixed by welding, the outer diameter of the lower flange plate 702 is the same as that of the upper flange plate 201, and 8 circular through holes 703 are uniformly distributed on the main body of the lower flange plate 702 in the circumferential direction; the lower flange plate 702 is fixedly connected with the upper flange plate 201 through high-strength bolts 9, the high-strength bolts 9 penetrate from bottom to top along the vertical direction, and the penetrating direction is consistent with the return direction of cooling water.
The utility model discloses a theory of operation:
before the middle pipe 2 and the guide water diversion plate 7 are installed in a butt joint mode, the upper flange plate 201 is sleeved and welded on the outer side of the lower end portion of the middle pipe 2, the lower flange plate 702 is sleeved and welded on the outer side of the guide water diversion plate 7, the sealing gasket 8 is installed on the protrusion 701 of the upper end portion of the guide water diversion plate 7, the sealing gasket 8 is located by the protrusion 701, then the upper end portion of the guide water diversion plate 7 is directly inserted into the step 202, the insertion connection mode has the advantages that the alignment is easy, finally, the high-strength bolt 9 can be arranged in a penetrating mode, the arc-shaped strip hole 203 is formed in the upper flange plate 201 in the penetrating process, the upper flange plate 201 and the middle pipe 2 can rotate left and right in the process of penetrating the high-strength bolt 9, the alignment of the high-strength bolt 9 is facilitated, the installation between the middle pipe 2 and the guide water diversion plate 7.
The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.
Claims (5)
1. The utility model provides an installation efficient combination formula oxygen rifle shower nozzle which characterized in that: comprises a middle pipe (2) and a guide water diversion plate (7); an upper flange plate (201) is sleeved on the outer side of the lower end part of the middle pipe (2), and a step (202) is formed between the lower end face of the upper flange plate (201) and the lower end face of the middle pipe (2); a plurality of arc-shaped strip holes (203) are uniformly distributed on the upper flange plate (201) body in the circumferential direction; the upper end face of the guide water diversion plate (7) is provided with an annular bulge (701), the section width of the bulge (701) is one third of the thickness of the upper end part of the guide water diversion plate (7), and the section height of the bulge (701) is one fourth of the thickness of the sealing gasket (8); the sealing gasket (8) is of an annular structure, an annular groove (801) is formed in the lower end face of the sealing gasket (8), and the groove (801) is matched with the protrusion (701); the outer side of the guide water distribution plate (7) is sleeved with a lower flange plate (702), and the lower flange plate (702) is fixedly connected with the upper flange plate (201) through a high-strength bolt (9) penetrating from bottom to top in the vertical direction.
2. The combined oxygen lance nozzle with high installation efficiency of claim 1, wherein: the outer surface of the upper end part of the guide water diversion plate (7) is in clearance fit with the inner surface of the lower end part of the upper flange plate (201).
3. The combined oxygen lance nozzle with high installation efficiency of claim 1, wherein: a plurality of circular through holes (703) are uniformly distributed in the circumferential direction of the main body of the lower flange plate (702), the number of the circular through holes (703) is the same as that of the arc-shaped strip holes (203), and the outer diameter of the lower flange plate (702) is the same as that of the upper flange plate (201).
4. The combined oxygen lance nozzle with high installation efficiency of claim 1, wherein: the sealing gasket (8) is an asbestos rubber gasket; the sealing gasket (8) is arranged between the lower end surface of the middle pipe (2) and the upper end surface of the guide water diversion plate (7).
5. The combined oxygen lance nozzle with high installation efficiency of claim 1, wherein: the middle pipe (2) is fixed with the upper flange plate (201) through welding, and the lower flange plate (702) is fixed with the guide water diversion plate (7) through welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920748549.7U CN210314348U (en) | 2019-05-23 | 2019-05-23 | Install efficient combination formula oxygen rifle shower nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920748549.7U CN210314348U (en) | 2019-05-23 | 2019-05-23 | Install efficient combination formula oxygen rifle shower nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210314348U true CN210314348U (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920748549.7U Active CN210314348U (en) | 2019-05-23 | 2019-05-23 | Install efficient combination formula oxygen rifle shower nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210314348U (en) |
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2019
- 2019-05-23 CN CN201920748549.7U patent/CN210314348U/en active Active
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