CN215964187U - Self-cleaning anti-blocking nozzle for slab continuous casting - Google Patents
Self-cleaning anti-blocking nozzle for slab continuous casting Download PDFInfo
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- CN215964187U CN215964187U CN202121941361.8U CN202121941361U CN215964187U CN 215964187 U CN215964187 U CN 215964187U CN 202121941361 U CN202121941361 U CN 202121941361U CN 215964187 U CN215964187 U CN 215964187U
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Abstract
The utility model relates to a self-cleaning anti-clogging nozzle for slab continuous casting, which comprises: a connecting pipe and a nozzle head; a water inlet is arranged on the connecting pipe; the nozzle head is provided with a jet orifice; the connecting pipe is detachably connected with the nozzle head, a cavity is formed in the connecting pipe and the nozzle head, and the water inlet and the jet orifice are communicated with the cavity; the cavity is internally provided with a flow guide core, the outer wall of the flow guide core is connected with the inner wall of the cavity, and the outer wall of the flow guide core is provided with at least two spiral grooves. Set up the water conservancy diversion core in this self-cleaning prevents blockking up the inside cavity of nozzle for continuous casting of slab, and the helicla flute on the water conservancy diversion core has played the whirl effect to the medium that flows into this self-cleaning prevents blockking up nozzle for continuous casting of slab, and then wash away the impurity that accumulates on this self-cleaning prevents blockking up nozzle inner cavity wall for continuous casting of slab, and discharge this self-cleaning prevents blockking up nozzle for continuous casting of slab through the jet with the medium together, thereby reached and prevented this self-cleaning from blockking up the effect that the nozzle blockked up with self-cleaning for continuous casting of slab, guaranteed this self-cleaning prevents blockking up nozzle's cooling effect simultaneously for continuous casting of slab.
Description
Technical Field
The present disclosure relates generally to the field of metallurgical equipment cooling, and more particularly to a self-cleaning anti-clogging nozzle for slab casting for secondary cooling of a continuous caster.
Background
The slab caster is a continuous steel casting iron-smelting equipment using slab as main product. The cooling effect of secondary cooling of the fan-shaped section working roll of the slab caster directly influences the quality of the continuous casting slab produced by the slab caster. Among the prior art cooling nozzle mostly is ordinary full water diplopore nozzle, and the nozzle inner chamber has designed the comparatively simple double flow way of structure, and nozzle in use inside often accumulates more impurity, causes the jam easily, influences the cooling effect.
Disclosure of Invention
In view of the above-mentioned drawbacks and deficiencies of the prior art, it would be desirable to provide a self-cleaning anti-clogging nozzle for continuous slab casting, comprising: a connecting pipe and a nozzle head;
a water inlet is formed in the connecting pipe;
the nozzle head is provided with a jet orifice;
the connecting pipe is detachably connected with the nozzle head, a cavity is formed in the connecting pipe and the nozzle head, and the water inlet and the jet orifice are communicated with the cavity;
the cavity is internally provided with a flow guide core, the outer wall of the flow guide core is connected with the inner wall of the cavity, and the outer wall of the flow guide core is provided with at least two spiral grooves.
Furthermore, a connecting seat is arranged between the flow guide core and the jet orifice, the connecting seat is a cylinder body provided with a first through hole along the axial direction, the outer wall of the connecting seat is connected with the inner wall of the cavity, and the inner wall of the connecting seat is connected with a filtering grid.
Furthermore, the whole body of the filter grating is tubular, the filter grating extends along the direction of the flow guide core from the connecting seat, a plurality of pores are arranged on the side wall of the filter grating, and one end of the filter grating, which is close to the flow guide core, is closed.
Furthermore, a plurality of second through holes are formed in the connecting seat and surround the first through holes.
Furthermore, the number of the jet openings on the nozzle head is two, and the outer side of each jet opening is provided with a connecting surface tangent to the jet opening.
Further, a sealing gasket is arranged at the joint of the connecting pipe and the nozzle head.
Furthermore, the sealing gasket is made of red copper.
Furthermore, a locking nut is arranged between the water inlet and the flow guide core, and the locking nut is connected to the inner wall of the cavity and used for fixing the flow guide core.
Further, the connecting pipe and the nozzle head are made of stainless steel.
The beneficial effect of this application lies in:
the flow guide core is arranged in the cavity inside the self-cleaning anti-blocking nozzle for slab continuous casting, the outer wall of the flow guide core is fixedly connected with the inner wall of the cavity, and the outer wall of the flow guide core is provided with a spiral groove. Therefore, after a medium enters the self-cleaning anti-clogging nozzle for continuous slab casting through the water inlet, a component perpendicular to the flow direction of the medium is generated through the rotational flow effect of the spiral groove, and then the scouring force on the inner wall of the cavity is generated. Therefore, the impurities accumulated on the inner wall of the cavity can be washed away by the medium after the medium flows in the rotational flow, and the impurities and the medium are discharged out of the self-cleaning anti-clogging nozzle for continuous slab casting through the jet orifice, so that the function of preventing the self-cleaning anti-clogging nozzle for continuous slab casting from being clogged is achieved, and the cooling effect of the anti-clogging self-cleaning nozzle for continuous slab casting on the relevant parts of the continuous casting machine is ensured.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is a schematic view of the overall structure of the self-cleaning anti-clogging nozzle for slab continuous casting according to the present invention;
fig. 2 is a schematic structural view of the flow guide core shown in fig. 1.
Reference numbers in the figures: 1. a connecting pipe; 2. a nozzle head; 11. a water inlet; 20. an ejection port; 3. a flow guide core; 30. a helical groove; 4. a connecting seat; 40. a first through hole; 5. filtering the grating; 50. a pore; 41. a second through hole; 6. a gasket; 7. and (4) locking a nut.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the utility model. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1 and fig. 2, the present invention provides a self-cleaning anti-clogging nozzle for slab continuous casting, which comprises: connecting the pipe 1 and the nozzle head 2;
a water inlet 11 is formed in the connecting pipe 1;
the nozzle head 2 is provided with a jet orifice 20;
the connecting pipe 1 is detachably connected with the nozzle head 2, a cavity is formed in the connecting pipe and the nozzle head 2, and the water inlet 11 and the jet orifice 20 are both communicated with the cavity;
the flow guide device is characterized in that a flow guide core 3 is arranged in the cavity, the outer wall of the flow guide core 3 is connected with the inner wall of the cavity, and at least two spiral grooves 30 are formed in the outer wall of the flow guide core 3.
The flow guide core 3 is arranged in the cavity inside the self-cleaning anti-blocking nozzle for slab continuous casting, the outer wall of the flow guide core 3 is connected with the inner wall of the cavity, and the outer wall of the flow guide core 3 is provided with a spiral groove 30. Thus, after the medium enters the self-cleaning anti-clogging nozzle for slab continuous casting through the water inlet 11, a component perpendicular to the flow direction of the medium is generated through the rotational flow effect of the spiral groove 30, and then the scouring force on the inner wall of the cavity is generated. Therefore, the impurities accumulated on the inner wall of the cavity can be washed away by the medium after the medium flows through the swirling flow, and the impurities and the medium are discharged out of the self-cleaning anti-clogging nozzle for continuous slab casting through the jet orifice 20, so that the function of preventing the self-cleaning anti-clogging nozzle for continuous slab casting from being clogged is achieved, and the cooling effect of the self-cleaning anti-clogging nozzle for continuous slab casting on the relevant parts of the continuous casting machine is ensured.
In a preferred embodiment of filtering the medium, a connecting seat 4 is disposed between the flow guide core 3 and the jet orifice 20, the connecting seat 4 is a cylinder provided with a first through hole 40 along an axial direction, an outer wall of the connecting seat 4 is connected with an inner wall of the cavity, and an inner wall of the connecting seat 4 is connected with a filtering grid 5.
The outer wall of the connecting seat 4 is connected with the inner wall of the cavity, and the filtering grille 5 is connected on the inner wall of the connecting seat 4. Therefore, the medium passing through the first through hole 40 is filtered, and large-particle impurities in the medium cannot reach the injection port 20, so that the blockage of the injection port 20 is effectively prevented, and the cooling effect of the self-cleaning blockage-preventing nozzle for continuous slab casting is ensured.
In a preferred embodiment of the specific arrangement mode of the filter grille 5, the filter grille 5 is tubular and extends along the connecting seat 4 to the direction of the diversion core 3, a plurality of holes 50 are arranged on the side wall of the filter grille 5, and one end of the filter grille close to the diversion core 3 is closed.
The filtering grille 5 is integrally set to be tubular, so that the contact area of the filtering grille and a medium in the cavity can be effectively increased, and the filtering effect is improved. Preferably, the connecting seat 4 is connected with the inner wall of the nozzle head 2, the filter grid 5 extends along the connecting seat 4 towards the direction of the flow guide core 3, and after the connecting tube 1 and the nozzle head 2 are disassembled, one surface of the filter grid 5, on which impurities are filtered, extends to the outer side of the nozzle head 2, so that the filter grid 5 is convenient to clean. Preferably, the connecting seat 4 is connected to the inner wall of the nozzle head 2 at a position near the end where the nozzle head 2 is connected to the connecting tube 1. At the moment, after the connecting pipe 1 and the nozzle head 2 are disassembled, one surface of the filtering grid 5 for filtering out impurities completely extends out of the outer side of the nozzle head 2, so that the filtering grid 5 is more convenient to clean, and the service life of the self-cleaning anti-blocking nozzle for slab continuous casting is prolonged.
Wherein in a preferred embodiment of the structure of the connecting socket 4, a plurality of second through holes 41 are provided on the connecting socket 4 around the first through hole 40.
Along with the use of the self-cleaning anti-clogging nozzle for continuous slab casting, more impurities are gradually accumulated on the filter grating 5, and further the filter grating 5 is possibly blocked, so that the self-cleaning anti-clogging nozzle for continuous slab casting cannot normally work in use, and the cooling effect is influenced, when a plurality of second through holes 41 are arranged on the connecting seat 4 and surround the first through holes 40, and when the filter grating 5 is blocked, a medium can also flow to the jet orifice 20 through the second through holes 41, and further the self-cleaning anti-clogging nozzle for continuous slab casting is ejected to finish cooling of a continuous casting machine, on one hand, the double-path water supply can filter partial medium, reduce the blocking frequency of the self-cleaning anti-clogging nozzle for continuous slab casting, on the other hand, the self-cleaning anti-clogging nozzle for continuous slab casting can normally work in a cleaning period, the self-cleaning anti-clogging nozzle for continuous slab casting is more stable in use.
In the preferred embodiment of the nozzle head 2 structure, there are two ejection openings 20 on the nozzle head 2, and the outside of the ejection openings 20 is provided with a connection surface tangential to the ejection openings 20.
Because the outer side of the jet orifice 20 is provided with the connecting surface tangent to the jet orifice 20, when a medium passes through the jet orifice 20, the medium is contacted with the connecting surface and is diffused along the contact surface, when the medium is separated from the connecting surface, the medium forms a spraying surface along the extending direction of the connecting surface under the action of inertia and is used for cooling the continuous casting machine, and the connecting surface is used for setting the cooling range after the medium is sprayed out, so that the self-cleaning anti-clogging nozzle for continuous slab casting is more accurate in cooling the relevant parts of the continuous casting machine.
In the preferred embodiment of the self-cleaning anti-clogging nozzle sealing structure for continuous slab casting, a sealing gasket 6 is arranged at the joint of the connecting pipe 1 and the nozzle head 2.
When the self-cleaning anti-clogging nozzle for continuous slab casting is used, the internal pressure is high, the connecting pipe 1 is detachably connected with the nozzle head 2, and when the connection part of the connecting pipe 1 and the nozzle head 2 is not tightly sealed, a medium can flow out of the anti-clogging self-cleaning nozzle for continuous slab casting through a gap, so that the spraying strength of the medium is influenced. Therefore, after the sealing gasket 6 is arranged between the connecting pipe 1 and the nozzle head 2, the leakage condition can be effectively prevented, the spraying force of the device is effectively ensured, and the cooling effect of the self-cleaning anti-blocking nozzle for continuous slab casting is ensured.
In a preferred embodiment of the material of the gasket 6, the gasket 6 is made of red copper.
The sealing gasket 6 is made of red copper, so that the red copper is convenient to process and can be processed according to the size of a sealing space between the connecting pipe 1 and the nozzle head 2; on the other hand, the material can be well used in the high-temperature and high-pressure environment where the self-cleaning anti-blocking nozzle for continuous slab casting works, so that the self-cleaning anti-blocking nozzle for continuous slab casting has a better sealing effect.
In a preferred embodiment of a fixing mode of the diversion core 3, a locking nut 7 is arranged between the water inlet 11 and the diversion core 3, and the locking nut 7 is connected to the inner wall of the cavity and used for fixing the diversion core 3.
In order to facilitate cleaning and replacement, the flow guide core 3 is in sliding connection with the inner wall of the cavity, the lock nut 7 is in threaded connection with the inner wall of the cavity, after the flow guide core 3 is placed in the cavity, the lock nut 7 is screwed to a corresponding position along the inner wall of the cavity, and the flow guide core 3 is fixed at the position. Therefore, when the diversion core 3 needs to be maintained or replaced, the lock nut 7 can be detached, and the diversion core 3 can be taken out. Therefore, the self-cleaning anti-clogging nozzle for continuous slab casting is maintained regularly, and good cooling capacity is kept.
In the preferred embodiment of the self-cleaning anti-clogging nozzle for continuous slab casting, the connecting pipe 1 and the nozzle head 2 are made of stainless steel.
The service environment of the self-cleaning anti-clogging nozzle for continuous slab casting is usually a high-temperature environment, the medium contains acidic substances, the impurity particles are often large, the factors can cause that the inner wall of the cavity inside the self-cleaning anti-clogging nozzle for continuous slab casting is large in abrasion, and the service life of the anti-clogging self-cleaning nozzle for continuous slab casting is influenced, therefore, the connecting pipe 1 and the nozzle head 2 are made of stainless steel, the influence of the factors on the internal structure of the self-cleaning anti-clogging nozzle for continuous slab casting is effectively overcome, and the service life of the self-cleaning anti-clogging nozzle for continuous slab casting is prolonged.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the utility model as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (9)
1. The utility model provides a slab continuous casting is with preventing blockking up nozzle of automatically cleaning which characterized in that includes: connecting the pipe (1) and the nozzle head (2);
a water inlet (11) is formed in the connecting pipe (1);
the nozzle head (2) is provided with a jet orifice (20);
the connecting pipe (1) is detachably connected with the nozzle head (2), a cavity is formed in the connecting pipe and the nozzle head, and the water inlet (11) and the jet orifice (20) are communicated with the cavity;
the flow guide device is characterized in that a flow guide core (3) is arranged in the cavity, the outer wall of the flow guide core (3) is connected with the inner wall of the cavity, and at least two spiral grooves (30) are formed in the outer wall of the flow guide core (3).
2. The self-cleaning anti-clogging nozzle for continuous slab casting according to claim 1, wherein a connecting seat (4) is arranged between the flow guide core (3) and the jet orifice (20), the connecting seat (4) is a cylinder provided with a first through hole (40) along the axial direction, the outer wall of the connecting seat (4) is connected with the inner wall of the cavity, and the inner wall of the connecting seat (4) is connected with a filter grid (5).
3. The self-cleaning anti-clogging nozzle for slab continuous casting according to claim 2, characterized in that the filtering grille (5) is tubular in whole and extends along the connecting seat (4) in the direction of the diversion core (3), and a plurality of apertures (50) are provided on the side wall of the filtering grille (5) and closed at one end close to the diversion core (3).
4. Self-cleaning anti-clogging nozzle for slab continuous casting according to claim 2, characterized in that a plurality of second through holes (41) are provided on said connecting seat (4) around said first through hole (40).
5. The self-cleaning anti-clogging nozzle for continuous slab casting according to claim 1, characterized in that the nozzle head (2) has two jet openings (20), and the outer side of the jet openings (20) is provided with a connecting surface tangential to the jet openings (20).
6. Self-cleaning anti-clogging nozzle for continuous slab casting according to claim 1, characterized in that the joint of the connecting pipe (1) and the nozzle head (2) is provided with a gasket (6).
7. The self-cleaning anti-clogging nozzle for continuous slab casting according to claim 6, characterized in that said gasket (6) is made of red copper.
8. The self-cleaning anti-clogging nozzle for slab continuous casting according to any one of claims 1 to 7, characterized in that a locking nut (7) is arranged between the water inlet (11) and the flow guide core (3), and the locking nut (7) is connected to the inner wall of the cavity for fixing the flow guide core (3).
9. Self-cleaning anti-clogging nozzle for slab continuous casting according to any of the claims 1 to 7, characterized in that said connecting pipe (1) and said nozzle head (2) are of stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121941361.8U CN215964187U (en) | 2021-08-18 | 2021-08-18 | Self-cleaning anti-blocking nozzle for slab continuous casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121941361.8U CN215964187U (en) | 2021-08-18 | 2021-08-18 | Self-cleaning anti-blocking nozzle for slab continuous casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215964187U true CN215964187U (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121941361.8U Active CN215964187U (en) | 2021-08-18 | 2021-08-18 | Self-cleaning anti-blocking nozzle for slab continuous casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215964187U (en) |
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2021
- 2021-08-18 CN CN202121941361.8U patent/CN215964187U/en active Active
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