CN218561500U - Blast furnace tuyere device - Google Patents
Blast furnace tuyere device Download PDFInfo
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- CN218561500U CN218561500U CN202222630439.5U CN202222630439U CN218561500U CN 218561500 U CN218561500 U CN 218561500U CN 202222630439 U CN202222630439 U CN 202222630439U CN 218561500 U CN218561500 U CN 218561500U
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Abstract
The utility model relates to a blast furnace equipment technical field especially relates to a blast furnace tuyere device. The device comprises a tuyere large sleeve, a tuyere middle sleeve, a propping mechanism and a tensioning mechanism, wherein the propping mechanism comprises a first supporting seat and a first fixture, one end of the first fixture is fixedly arranged on the tuyere large sleeve, and the other end of the first fixture is arranged on the first supporting seat and props against the second large end face; the tensioning mechanism comprises a second supporting seat, a second clamping apparatus and an elastic piece, the elastic piece is arranged on the lower portion of the first big end face, one end of the second clamping apparatus is connected with one end of the elastic piece, which deviates from the first big end face, of the elastic piece, and the other end of the second clamping apparatus is arranged in a groove of the second supporting seat and abuts against the inner wall, which is close to the first big end face, of the groove. In this application, support tight mechanism and can prevent the trend of the direction motion of the upper portion of wind gap well cover to the first big terminal surface of wind gap big cover, tensioning mechanism prevents the trend of the direction motion of the lower part of wind gap well cover to the first little terminal surface of wind gap big cover to support and to prevent that the wind gap well cover upwarps.
Description
Technical Field
The utility model relates to a blast furnace equipment technical field especially relates to a blast furnace tuyere device.
Background
The blast furnace tuyere sleeve is three water jackets which are made into a frustum shape, namely a tuyere large sleeve, a tuyere middle sleeve and a tuyere small sleeve. The tuyere sleeves are in conical surface contact and are pressed and connected by external force. In the production of the blast furnace, due to the effects of thermal stress in the blast furnace, abnormal expansion of a lining of a hearth of the blast furnace and the like, the front end of a part of the tuyere middle sleeve can be upwarped, and the tuyere small sleeve contacted and connected with the front part of the tuyere middle sleeve can be upwarped along with the upwarping, so that a gap is formed on a contact surface between the tuyere small sleeve and the air inlet belly pipe, and air leakage is caused. For a blast furnace operated at a high air temperature and a high top pressure, once an air inlet system leaks air, the normal production of the blast furnace is influenced, the air leakage is more serious, the blast furnace needs to be stopped if the air leakage is more serious, and a burnthrough accident occurs if the air leakage is less serious.
SUMMERY OF THE UTILITY MODEL
The application provides a blast furnace tuyere device, has solved among the prior art wind gap well cover front end and has taken place to upwarp, leads to the air inlet system to leak out, influences the technical problem of blast furnace normal production.
The application provides a pair of blast furnace tuyere device, its characterized in that includes:
the tuyere large sleeve is provided with a first large end surface and a first small end surface which are oppositely arranged;
the tuyere medium sleeve is provided with a second large end surface and a second small end surface which are oppositely arranged, and the second large end surface is sleeved in the first small end surface;
the abutting mechanism comprises a first supporting seat and a first fixture, the first supporting seat is arranged at the upper part of the second large end face, a gap is formed between the first supporting seat and the edge of the second large end face, one end of the first fixture is fixedly arranged on the air port large sleeve, and the other end of the first fixture is arranged on the first supporting seat and abuts against the second large end face;
the tensioning mechanism comprises a second supporting seat, a second fixture and an elastic piece, the second supporting seat is arranged on the lower portion of the second large end face, a groove is formed in one side, facing the circle center of the second large end face, of the second supporting seat, the elastic piece is arranged on the lower portion of the first large end face, one end of the second fixture is connected with one end, deviating from the first large end face, of the elastic piece, the other end of the second fixture is arranged in the groove of the second supporting seat and abuts against the inner wall, close to the first large end face, of the groove.
In some embodiments, one end of the first fixture is fixedly arranged at the upper part of the first large end surface of the tuyere large sleeve.
In some embodiments, the second fixture is provided with a protrusion, the protrusion is disposed in a groove of the second support seat, and the protrusion abuts against an inner wall of the groove close to the first large end face.
In some embodiments, the first supporting seat and the second supporting seat are both annular, and the first supporting seat, the second supporting seat and the second large end surface are concentrically arranged.
In some embodiments, a circular hole is formed in the center of the second large end face, an annular end face is formed between the circular hole and the edge of the second large end face, the first support seat is arranged on an inner ring of the annular end face, and the second support seat is arranged on an outer ring of the annular end face.
In some embodiments, the first fixture comprises a first clamping plate and a second clamping plate which are connected, the first clamping plate is fixedly arranged on the upper portion of the first large end face of the tuyere large sleeve, and the end portion of the second clamping plate is arranged on the first supporting seat and abuts against the second large end face; the second fixture comprises a third clamping plate and a fourth clamping plate which are connected, the third clamping plate is connected with one end, deviating from the first large end face, of the elastic part, and the protruding block is arranged at the end of the fourth clamping plate.
In some embodiments, the tightening mechanism further includes a first fixing unit, the first fixing unit includes a first screw and a first nut, the first screw is disposed on the first large end surface, the first screw is disposed in the first clamping plate in a penetrating manner, and the first nut is disposed on a side of the first clamping plate away from the first large end surface and is screwed to the first screw;
the tensioning mechanism further comprises a second fixing unit, the second fixing unit comprises a second screw and a second nut, the second screw is arranged on the first large end face and penetrates through the third clamping plate, the elastic piece is arranged between the third clamping plate and the first large end face and sleeved on the second screw, and the second nut is arranged on one side, deviating from the first large end face, of the first clamping plate and is in threaded connection with the second screw.
In some embodiments, the first fixing unit further comprises a first push rod disposed on the first nut, the first push rod being used for pushing the first nut to rotate; the second fixing unit further comprises a second push rod, the second push rod is arranged on the second nut, and the second push rod is used for pushing the second nut to rotate.
In some embodiments, the first fixing unit further comprises a first sleeve disposed on the first nut, and the first screw is disposed within the first sleeve; the second fixing unit further comprises a second sleeve, the second sleeve is arranged on the second nut, and the second screw is arranged in the second sleeve.
In some embodiments, the resilient member is a spring.
The beneficial effects of this application are as follows:
when the air port middle sleeve is upwarped, the upper part of the air port middle sleeve moves towards the direction of the first large end face of the air port large sleeve, and the lower part of the air port middle sleeve moves towards the direction of the first small end face of the air port large sleeve; the tensioning mechanism comprises a second supporting seat, a second clamping tool and an elastic piece, the elastic piece is arranged on the lower portion of the first large end face, one end of the second clamping tool is connected with one end, deviating from the first large end face, of the elastic piece, the other end of the second clamping tool is arranged in a groove of the second supporting seat and abuts against the inner wall, close to the first large end face, of the groove through the tensile force of the elastic piece, and therefore the trend that the lower portion of the air port middle sleeve moves towards the direction of the first small end face of the air port large sleeve can be prevented.
The trend of the direction motion of the upper portion of resisting tight mechanism stop wind gap middle cover to the first big terminal surface of wind gap big cover promptly in this application, and straining device prevents the trend of the direction motion of the lower part of wind gap middle cover to the first little terminal surface of wind gap big cover to resisting tight mechanism and straining device cooperation jointly, can preventing wind gap middle cover upwarp, thereby avoid air inlet system to leak out, guarantee the normal production of blast furnace.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
Fig. 1 is a schematic structural diagram of a blast furnace tuyere device provided in this embodiment;
fig. 2 is a side view of the vent-in-orifice sleeve of fig. 1.
Description of the reference numerals:
100-tuyere large sleeve, 110-first large end face, 120-first small end face, 200-tuyere middle sleeve, 210-second large end face, 211-round hole, 212-annular end face, 220-second small end face, 300-abutting mechanism, 310-first supporting seat, 320-first clamping apparatus, 321-first clamping plate, 322-second clamping plate, 330-first fixing unit, 331-first screw rod, 332-first nut, 333-first push rod, 334-first sleeve, 400-tensioning mechanism, 410-second supporting seat, 411-groove, 420-second clamping apparatus, 421-lug, 422-third clamping plate, 423-fourth clamping plate, 430-elastic piece, 440-second fixing unit, 441-second screw rod, 442-second nut, 443-second push rod, 444-second sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a blast furnace tuyere device provided in this embodiment, and fig. 2 is a side view of a tuyere middle sleeve in fig. 1, and with reference to fig. 1 and fig. 2, the blast furnace tuyere device provided in this application includes a tuyere large sleeve 100, a tuyere middle sleeve 200, a tightening mechanism 300, and a tensioning mechanism 400.
The tuyere large sleeve 100 and the tuyere medium sleeve 200 are both conical structures, the tuyere large sleeve 100 is provided with a first large end surface 110 and a first small end surface 120 which are oppositely arranged, the tuyere medium sleeve 200 is provided with a second large end surface 210 and a second small end surface 220 which are oppositely arranged, and the second large end surface 210 is sleeved in the first small end surface 120, so that the assembly of the tuyere large sleeve 100 and the tuyere medium sleeve 200 is realized.
The abutting mechanism 300 comprises a first supporting seat 310 and a first fixture 320, the first supporting seat 310 is arranged on the upper portion of the second large end face 210, a gap is formed between the edges of the first supporting seat 310 and the second large end face 210, one end of the first fixture 320 is fixedly arranged on the air inlet large sleeve 100, the other end of the first fixture 320 is arranged on the first supporting seat 310 and abuts against the second large end face 210, namely, the other end of the first fixture 320 abuts against the portion between the edges of the first supporting seat 310 and the second large end face 210, and therefore the first fixture 320 abuts against the upper portion of the air inlet middle sleeve 200 towards the first small end face 120.
The tensioning mechanism 400 comprises a second supporting seat 410, a second fixture 420 and an elastic piece 430, the second supporting seat 410 is arranged at the lower part of the second large end face 210, a groove 411 is formed in one side, facing the circle center of the second large end face 210, of the second supporting seat 410, the elastic piece 430 is arranged at the lower part of the first large end face 110, one end of the second fixture 420 is connected with one end, deviating from the first large end face 110, of the elastic piece 430, the other end of the second fixture is arranged in the groove 411 of the second supporting seat 410 and abuts against the inner wall, close to the first large end face 110, of the groove 411, and therefore the second fixture 420 tensions the lower part of the tuyere middle sleeve 200 towards the first large end face 110. Preferably, the elastic member 430 may be a spring.
When the second fixture 420 is assembled, a pushing force can be applied to one end of the second fixture 420 to move the second fixture 420 towards the second large end face 210, the other end of the second fixture 420 is installed in the groove 411 of the second support base 410, at this time, the elastic member 430 contracts, the pushing force is cancelled, the elastic member 430 extends, the other end of the second fixture 420 moves towards the first large end face 110 until contacting the inner wall of the groove 411 close to the first large end face 110, and under the pulling force of the elastic member 430, the other end of the second fixture 420 abuts against the inner wall of the groove 411 close to the first large end face 110.
When the tuyere medium sleeve 200 is tilted upwards, the upper part of the tuyere medium sleeve 200 moves towards the direction of the first large end face 110 of the tuyere large sleeve 100, and the lower part of the tuyere medium sleeve 200 moves towards the direction of the first small end face 120 of the tuyere large sleeve 100, in the application, the abutting mechanism 300 and the tensioning mechanism 400 are arranged, the abutting mechanism 300 comprises a first supporting seat 310 and a first clamping apparatus 320, one end of the first clamping apparatus 320 is fixedly arranged on the tuyere large sleeve 100, the other end of the first clamping apparatus is arranged on the first supporting seat 310 and abuts against the upper part of the second large end face 210, and therefore the tendency that the upper part of the tuyere medium sleeve 200 moves towards the direction of the first large end face 110 of the tuyere large sleeve 100 can be prevented; the tensioning mechanism 400 comprises a second supporting seat 410, a second fixture 420 and an elastic member 430, wherein the elastic member 430 is arranged at the lower part of the first large end surface 110, one end of the second fixture 420 is connected with one end of the elastic member 430, which is far away from the first large end surface 110, the other end of the second fixture is arranged in the groove 411 of the second supporting seat 410, and the other end of the second fixture is abutted against the inner wall, which is close to the first large end surface 110, in the groove 411 through the tensile force of the elastic member 430, so that the tendency that the lower part of the tuyere medium sleeve 200 moves towards the direction of the first small end surface 120 of the tuyere large sleeve 100 can be prevented.
That is, the tightening mechanism 300 stops the trend of the upper portion of the tuyere medium sleeve 200 moving towards the direction of the first large end surface 110 of the tuyere large sleeve 100, and the tightening mechanism 400 stops the trend of the lower portion of the tuyere medium sleeve 200 moving towards the direction of the first small end surface 120 of the tuyere large sleeve 100, so that the tightening mechanism 300 and the tightening mechanism 400 are matched together, the tuyere medium sleeve 200 can be prevented from upwarping, air leakage of an air inlet system can be avoided, and normal production of a blast furnace can be ensured.
Further, one end of the first fixture 320 is also fixedly disposed on the first large end surface 110 of the tuyere large sleeve 100, and is disposed at an upper portion of the first large end surface 110.
Further, the other end of the second fixture 420 is provided with a projection 421, the projection 421 is disposed in the groove 411 of the second supporting seat 410, and the projection 421 abuts against the inner wall of the groove 411 close to the first large end surface 110.
The first support base 310 is used for supporting the first fixture 320, and the second support base 410 is used for supporting the second fixture 420, so that the first fixture 320 and the second fixture 420 can be prevented from sliding off the second large end surface 210, and therefore, the positions of the first support base 310 and the first fixture 320, and the positions of the second support base 410 and the second fixture 420 need to correspond. And wind gap middle cover 200 often can appear along clockwise or anticlockwise with the design position certain distance that staggers at the change in-process to the inconsistent problem of actual mounted position and design position appears, can put first supporting seat 310 for guaranteeing first fixture 320, second fixture 420 can be put on second supporting seat 410, the shape of first supporting seat 310 and second supporting seat 410 all sets up to the annular in this embodiment, and first supporting seat 310, second supporting seat 410 and the big terminal surface 210 of second set up with one heart. Thus, even if the positions of the first and second support seats 310 and 410 are slightly deviated, the portions for supporting the first and second clamps 320 and 420 are still annular surfaces, and thus the first and second clamps 320 and 420 can be smoothly supported.
Further, a circular hole 211 is disposed at the center of the second large end surface 210, and an annular end surface 212 is formed between the circular hole 211 and the edge of the second large end surface 210, and since a gap is left between the first supporting seat 310 and the edge of the second large end surface 210, the first supporting seat 310 is disposed on an inner ring of the annular end surface 212, and the second supporting seat 410 is disposed on an outer ring of the annular end surface 212.
The number of the tightening mechanisms 300 and the tensioning mechanisms 400 may be set according to actual conditions, specifically, in this embodiment, two tightening mechanisms 300 and two tensioning mechanisms 400 are provided, the two tightening mechanisms 300 are spaced along the inner ring of the annular end surface 212, and the two tensioning mechanisms 400 are spaced along the outer ring of the annular end surface 212.
Further, the first clamping device 320 comprises a first clamping plate 321 and a second clamping plate 322 which are connected, the first clamping plate 321 is fixedly arranged on the upper portion of the first large end surface 110 of the tuyere large sleeve 100, and the end portion of the second clamping plate 322 is arranged on the first supporting seat 310 and abuts against the second large end surface 210; similarly, the second fixture 420 includes a third clamping plate 422 and a fourth clamping plate 423 that are connected, the third clamping plate 422 is connected to an end of the elastic member 430 that faces away from the first large end surface 110, and the protrusion 421 is disposed at an end of the fourth clamping plate 423.
Further, the fastening mechanism 300 further includes a first fixing unit 330, the first fixing unit 330 includes a first screw 331 and a first nut 332, the first screw 331 is disposed on the first large end surface 110, the first screw 331 is disposed in the first fixture 320 in a penetrating manner, the first nut 332 is disposed on a side of the first clamping plate 321 away from the first large end surface 110 and is screwed to the first screw 331, so as to fix one end of the first fixture 320 on the first large end surface 110.
The tightening mechanism 400 further includes a second fixing unit 440, the second fixing unit 440 includes a second screw 441 and a second nut 442, the second screw 441 is disposed on the first large end surface 110, the second screw 441 is disposed in the third clamping plate 422, the elastic member 430 is disposed between the third clamping plate 422 and the first large end surface 110, the elastic member 430 is sleeved on the second screw 441, and the second nut 442 is disposed on a side of the first clamping plate 321 away from the first large end surface 110 and is screwed to the second screw 441, that is, an operator can push the second clamping apparatus 420 to move toward the first small end surface 120 by screwing the second nut 442, and when the other end of the second clamping apparatus 420 contacts the inner wall of the groove 411 close to the first large end surface 110, the second nut 442 can be loosened appropriately to extend the elastic member 430, and under the action of the elastic member 430, the other end of the second clamping apparatus 420 is pressed against the inner wall of the groove 411 close to the first large end surface 110.
In practical applications, since the first nut 332 and the second nut 442 are bulky, in order to facilitate screwing the first fixing unit 330, the first pushing rod 333 is further included, the first pushing rod 333 is disposed on the first nut 332, and the first pushing rod 333 is used for pushing the first nut 332 to rotate; the second fixing unit 440 further includes a second push rod 443, the second push rod 443 being disposed on the second nut 442, the second push rod 443 serving to push the second nut 442 to rotate.
Specifically, a plurality of first pusher bars 333 may be provided at intervals in the circumferential direction of the first nut 332, a plurality of second pusher bars 443 may be provided at intervals in the circumferential direction of the second nut 442, and the first nut 332 and the second nut 442 may be caused to rotate by striking the plurality of first pusher bars 333 or the plurality of second pusher bars 443 in sequence with a hammer.
Further, the first fixing unit 330 further includes a first sleeve 334, the first sleeve 334 is disposed on the first nut 332, and the first screw 331 is disposed in the first sleeve 334; the second fixing unit 440 further includes a second sleeve 444, the second sleeve 444 is disposed on the second nut 442, and the second screw 441 is disposed in the second sleeve 444, the first sleeve 334 is used for protecting the first screw 331, and the second sleeve 444 is used for protecting the second screw 441.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A blast furnace tuyere device characterized by comprising:
the tuyere large sleeve is provided with a first large end surface and a first small end surface which are oppositely arranged;
the tuyere medium sleeve is provided with a second large end surface and a second small end surface which are oppositely arranged, and the second large end surface is sleeved in the first small end surface;
the abutting mechanism comprises a first supporting seat and a first fixture, the first supporting seat is arranged at the upper part of the second large end face, a gap is formed between the first supporting seat and the edge of the second large end face, one end of the first fixture is fixedly arranged on the air port large sleeve, and the other end of the first fixture is arranged on the first supporting seat and abuts against the second large end face;
the tensioning mechanism comprises a second supporting seat, a second fixture and an elastic piece, the second supporting seat is arranged on the lower portion of the second large end face, a groove is formed in one side, facing the circle center of the second large end face, of the second supporting seat, the elastic piece is arranged on the lower portion of the first large end face, one end of the second fixture is connected with one end, deviating from the first large end face, of the elastic piece, the other end of the second fixture is arranged in the groove of the second supporting seat and abuts against the inner wall, close to the first large end face, of the groove.
2. The tuyere device of the blast furnace as claimed in claim 1, wherein one end of the first fixture is fixedly provided to an upper portion of the first large end surface of the tuyere large sleeve.
3. The blast furnace tuyere device according to claim 2, wherein a projection is provided on the second fixture, the projection is provided in a groove of the second support seat, and the projection abuts against an inner wall of the groove close to the first large end face.
4. The blast furnace tuyere device of claim 1, wherein the first support seat and the second support seat are both annular, and the first support seat, the second support seat and the second large end surface are concentrically arranged.
5. The tuyere device of claim 1, wherein a circular hole is formed at the center of the second large end surface, an annular end surface is formed between the circular hole and the edge of the second large end surface, the first support seat is disposed on an inner ring of the annular end surface, and the second support seat is disposed on an outer ring of the annular end surface.
6. The blast furnace tuyere device of claim 3, wherein the first clamp comprises a first clamping plate and a second clamping plate which are connected, the first clamping plate is fixedly arranged at the upper part of the first big end surface of the tuyere big sleeve, and the end part of the second clamping plate is arranged on the first supporting seat and abuts against the second big end surface; the second fixture comprises a third clamping plate and a fourth clamping plate which are connected, the third clamping plate is connected with one end, deviating from the first large end face, of the elastic part, and the protruding block is arranged at the end of the fourth clamping plate.
7. The blast furnace tuyere device of claim 6, wherein the tightening mechanism further comprises a first fixing unit, the first fixing unit comprises a first screw and a first nut, the first screw is disposed on the first large end surface, the first screw is inserted into the first clamping plate, and the first nut is disposed on a side of the first clamping plate away from the first large end surface and is screwed to the first screw;
the tensioning mechanism further comprises a second fixing unit, the second fixing unit comprises a second screw and a second nut, the second screw is arranged on the first large end face and penetrates through the third clamping plate, the elastic piece is arranged between the third clamping plate and the first large end face and sleeved on the second screw, and the second nut is arranged on one side, deviating from the first large end face, of the first clamping plate and is in threaded connection with the second screw.
8. The blast furnace tuyere device of claim 7, wherein the first fixing unit further comprises a first push rod provided on the first nut, the first push rod for pushing the first nut to rotate; the second fixing unit further comprises a second push rod, the second push rod is arranged on the second nut, and the second push rod is used for pushing the second nut to rotate.
9. The blast furnace tuyere device of claim 8, wherein the first fixing unit further comprises a first sleeve provided on the first nut, and the first screw is provided in the first sleeve; the second fixing unit further comprises a second sleeve, the second sleeve is arranged on the second nut, and the second screw is arranged in the second sleeve.
10. The blast furnace tuyere device of claim 1, wherein the elastic member is a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222630439.5U CN218561500U (en) | 2022-10-08 | 2022-10-08 | Blast furnace tuyere device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222630439.5U CN218561500U (en) | 2022-10-08 | 2022-10-08 | Blast furnace tuyere device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218561500U true CN218561500U (en) | 2023-03-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222630439.5U Active CN218561500U (en) | 2022-10-08 | 2022-10-08 | Blast furnace tuyere device |
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| Country | Link |
|---|---|
| CN (1) | CN218561500U (en) |
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- 2022-10-08 CN CN202222630439.5U patent/CN218561500U/en active Active
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