CN210796515U - Blast furnace tuyere big sleeve dismounting device - Google Patents
Blast furnace tuyere big sleeve dismounting device Download PDFInfo
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- CN210796515U CN210796515U CN201921129947.7U CN201921129947U CN210796515U CN 210796515 U CN210796515 U CN 210796515U CN 201921129947 U CN201921129947 U CN 201921129947U CN 210796515 U CN210796515 U CN 210796515U
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- tuyere
- blast furnace
- large sleeve
- dismounting device
- shoulder pole
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Abstract
The utility model relates to a blast furnace tuyere big sleeve dismounting device, which belongs to the technical field of metallurgical industry blast furnace stokehold maintenance tools. The technical scheme is as follows: the big sleeve flange (5) is fixed on the tuyere of the furnace shell (4), and the tuyere big sleeve (6) is closed on the big sleeve flange (5) through a bolt, and is characterized in that: the blast furnace tuyere large sleeve dismounting device comprises two hydraulic jacks (1) and a shoulder pole beam (2), wherein the shoulder pole beam (2) is fixed at one end with a larger diameter of the tuyere large sleeve (6) along the radial direction of the tuyere large sleeve (6), the two hydraulic jacks (1) are respectively fixed at two ends of the shoulder pole beam (2) and prop against furnace skins (4) at two sides of the tuyere, and the whole blast furnace tuyere large sleeve dismounting device is symmetrically arranged. The utility model has the advantages that: the tuyere large sleeve can be rapidly disassembled from the tuyere of the blast furnace by utilizing the acting force of the two hydraulic jacks between the shoulder pole beam and the blast furnace shell, and the problems of long-time damping down of the blast furnace and the like caused by large disassembling difficulty and long operation time when the tuyere large sleeve is replaced are thoroughly solved.
Description
Technical Field
The utility model relates to a blast furnace tuyere big sleeve dismounting device, which belongs to the technical field of metallurgical industry blast furnace stokehold maintenance tools.
Background
The blast furnace air intake device is the core process equipment for blast furnace production, wherein, the tuyere big, middle and small sleeves are the core components of the air intake device. The tuyere big sleeve is in a hollow round table shape, a big sleeve flange is fixed on the tuyere of the furnace shell, and the tuyere big sleeve is combined on the big sleeve flange through a bolt.
The sleeve leakage is an inevitable problem in the production process of the blast furnace, and how to complete sleeve replacement in the shortest time is an important subject of the front work of the blast furnace. The installation position limits limit, the replacement difficulty of the tuyere large sleeve is the largest, the operation time is the longest, and the down time of the blast furnace is long.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a big cover dismounting device of blast furnace tuyere can thoroughly solve the blast furnace long time damping down scheduling problem that the big cover of wind gap was dismantled the degree of difficulty when changing greatly, the operating time led to the fact for a long time.
The technical scheme of the utility model is that:
the utility model provides a big cover dismounting device of blast furnace tuyere, the big cover of wind gap is hollow round platform type, and big cover flange is fixed on the wind gap of furnace skin, and the big cover of wind gap closes on big cover flange through the bolt, and big cover dismounting device of blast furnace tuyere contains two hydraulic jack and a shoulder pole roof beam, and the great one end of diameter at the big cover of wind gap is fixed along the radial of the big cover of wind gap to the shoulder pole roof beam, and two hydraulic jack are fixed respectively at the both ends of shoulder pole roof beam and are pushed up on the furnace skin of wind gap both sides, wholly for symmetrical arrangement.
Two support columns which are oppositely arranged are fixed on the end face of the end with the larger diameter of the tuyere large sleeve, two through holes which are matched with the support columns are arranged on the shoulder pole beam, and the shoulder pole beam is fixed on the tuyere large sleeve through a locking pin.
And the support column is provided with a pin hole matched with the locking pin.
And grooves matched with the hydraulic jacks are formed at two ends of the shoulder pole beam.
The length of the shoulder pole beam is larger than the maximum diameter of the tuyere large sleeve.
The utility model has the advantages that: the tuyere large sleeve can be rapidly disassembled from the tuyere of the blast furnace by utilizing the acting force of the two hydraulic jacks between the shoulder pole beam and the blast furnace shell, and the problems of long-time damping down of the blast furnace and the like caused by large disassembling difficulty and long operation time when the tuyere large sleeve is replaced are thoroughly solved.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a schematic view of FIG. 1 after rotation;
fig. 4 is a front view of the shoulder pole beam;
fig. 5 is a top view of the shoulder pole beam;
FIG. 6 is a schematic view of a locking pin;
in the figure: the furnace comprises a hydraulic jack 1, a shoulder pole beam 2, a locking pin plate 3, a furnace shell 4, a large sleeve flange 5, a tuyere large sleeve 6, a support column 7, a groove 8 and a through hole 9.
Detailed Description
The invention will be further explained by way of example with reference to the accompanying drawings.
Referring to the attached drawings 1-6, the blast furnace tuyere big sleeve dismounting device is characterized in that a tuyere big sleeve 6 is in a hollow round table shape, a big sleeve flange 5 is fixed on a tuyere of a furnace shell 4, the tuyere big sleeve 6 is closed on the big sleeve flange 5 through a bolt, the blast furnace tuyere big sleeve dismounting device comprises two hydraulic jacks 1 and a shoulder pole beam 2, the shoulder pole beam 2 is fixed at one end, with a larger diameter, of the tuyere big sleeve 6 along the radial direction of the tuyere big sleeve 6, the two hydraulic jacks 1 are respectively fixed at two ends of the shoulder pole beam 2 and abut against the furnace shell 4 at two sides of the tuyere, and the whole body is symmetrically arranged.
In this embodiment: referring to the attached drawings 1, 2 and 3, two oppositely arranged support columns 7 are respectively welded on the end face of the end with the larger diameter of the tuyere large sleeve 6, and each support column 7 is provided with a pin hole matched with the locking pin 3.
Referring to the attached figures 4 and 5, the length of the carrying pole beam 2 is configured according to the installation size of the tuyere large sleeve 6, the two ends of the carrying pole beam 2 are respectively provided with a groove 8 and a through hole 9 which are matched with the hydraulic jack 1 and the support column 7, and the hydraulic jack 1 is positioned according to the distance between the carrying pole beam 2 and the furnace shell 4.
Referring to fig. 6, the locking pin 3 has a right-angled trapezoidal shape.
The specific disassembly process of the tuyere large sleeve is as follows:
referring to the attached drawings 1, 2 and 3, a front tuyere large sleeve 6 is disassembled and is combined on a large sleeve flange 5 by bolts, and the large sleeve flange 5 is welded on a tuyere of a furnace shell 4; when the tuyere large sleeve 6 is disassembled, the carrying pole beam 2 is firstly locked on the tuyere large sleeve 6 through the support column 7 and the locking pin 3, then the two hydraulic jacks 1 are fixed at the two ends of the carrying pole beam 2, the two hydraulic jacks 1 simultaneously act on the furnace shell 4, and the purpose of rapidly disassembling the tuyere large sleeve 6 is achieved by the acting force of the two hydraulic jacks 1.
Claims (5)
1. The utility model provides a big cover dismounting device of blast furnace tuyere, wind gap big cover (6) are hollow round platform type, and big cover flange (5) are fixed on the wind gap of furnace shell (4), and wind gap big cover (6) are closed on big cover flange (5) through the bolt, its characterized in that: the blast furnace tuyere large sleeve dismounting device comprises two hydraulic jacks (1) and a shoulder pole beam (2), wherein the shoulder pole beam (2) is fixed at one end with a larger diameter of the tuyere large sleeve (6) along the radial direction of the tuyere large sleeve (6), the two hydraulic jacks (1) are respectively fixed at two ends of the shoulder pole beam (2) and prop against furnace skins (4) at two sides of the tuyere, and the whole blast furnace tuyere large sleeve dismounting device is symmetrically arranged.
2. The blast furnace tuyere large sleeve dismounting device of claim 1, characterized in that: two supporting columns (7) which are arranged oppositely are fixed on the end face of the end with the larger diameter of the tuyere large sleeve (6), two through holes (9) which are matched with the supporting columns (7) are arranged on the shoulder pole beam (2), and the shoulder pole beam (2) is fixed on the tuyere large sleeve (6) through a locking pin (3).
3. The blast furnace tuyere large sleeve dismounting device of claim 2, characterized in that: and the support column (7) is provided with a pin hole matched with the locking pin (3).
4. The blast furnace tuyere large sleeve dismounting device of claim 1, characterized in that: two ends of the shoulder pole beam (2) are provided with grooves (8) matched with the hydraulic jack (1).
5. The blast furnace tuyere large sleeve dismounting device according to claim 1 or 4, characterized in that: the length of the shoulder pole beam (2) is larger than the maximum diameter of the tuyere large sleeve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921129947.7U CN210796515U (en) | 2019-07-18 | 2019-07-18 | Blast furnace tuyere big sleeve dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921129947.7U CN210796515U (en) | 2019-07-18 | 2019-07-18 | Blast furnace tuyere big sleeve dismounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210796515U true CN210796515U (en) | 2020-06-19 |
Family
ID=71247512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921129947.7U Active CN210796515U (en) | 2019-07-18 | 2019-07-18 | Blast furnace tuyere big sleeve dismounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210796515U (en) |
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2019
- 2019-07-18 CN CN201921129947.7U patent/CN210796515U/en active Active
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