CN209890654U - Iron-smelting blast furnace cooling wall dysmorphism steel pipe is to dress frock - Google Patents
Iron-smelting blast furnace cooling wall dysmorphism steel pipe is to dress frock Download PDFInfo
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- CN209890654U CN209890654U CN201920767098.1U CN201920767098U CN209890654U CN 209890654 U CN209890654 U CN 209890654U CN 201920767098 U CN201920767098 U CN 201920767098U CN 209890654 U CN209890654 U CN 209890654U
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Abstract
The utility model relates to an iron-smelting blast furnace stave dysmorphism steel pipe is to dress frock, including the bottom plate, be equipped with respectively at the both ends of bottom plate upper surface and be used for to adorning the head end of a plurality of special-shaped steel pipe head ends to adorning the device and being used for to adorning the tail end of a plurality of special-shaped steel pipe tail ends to adorning the device, the tail end is to adorning device and bottom plate fixed connection, the head end is to adorning device and bottom plate swing joint. Through the reasonable design to dress frock structure, to the control of dress frock size, to the formulation of dress technology, to the rational use of dress frock for each size (interval, radian, tapering) can both guarantee the drawing requirement before the casting lower mould of dysmorphism steel pipe. The increase of the fixed support enables the position of the assembled and molded special-shaped steel pipe not to change in the process of transferring, hoisting, derusting, corrosion prevention and lower die. The problem of special-shaped steel pipe to the condition that the dress quality is difficult to guarantee is solved, work efficiency has been improved simultaneously.
Description
Technical Field
The utility model relates to a metallurgical equipment makes technical field, especially relates to an iron-smelting blast furnace stave dysmorphism steel pipe is to dress frock.
Background
The cooling wall is important cooling equipment for the wall of the blast furnace, the cooling mode is mainly that a plurality of special-shaped steel pipes in a casting blank are continuously conveyed with circulating water to take away heat for cooling, and the quality of the cooling wall determines the production efficiency and the safety factor of the blast furnace.
The blast furnace wall is integrally in a cone barrel structure, so that the structure of each cooling wall is also in a cone barrel shape, the structure of the cooling wall refers to the attached figure 1 of the specification, and the cooling wall comprises a casting blank and four or more than four special-shaped steel pipes positioned in the casting blank. The special-shaped steel pipes can shrink and deform in the casting process, so that the shrinkage of the special-shaped steel pipes is required to be 0.8/1000 before forming, the dimensional tolerance between pipe orifices of the special-shaped steel pipes is required to be within 1mm, and besides the technical requirements, the radian and the taper of each special-shaped steel pipe are required to be consistent with those of a furnace wall, so that the uniform thickness and the consistent cooling effect of a cast blank after casting can be ensured, and the forming and assembling difficulty of the special-shaped steel pipes in the wall is correspondingly increased.
The special-shaped steel pipes need to be subjected to series of processes such as forming, ball passing, flaw detection, assembly, rust removal and corrosion prevention before casting, and how to ensure that the position and the size among the special-shaped steel pipes are not changed in the processes of transferring, hoisting, rust removal and corrosion prevention and lower die after assembly and forming, and the improvement of the butt-joint efficiency and the butt-joint precision of the special-shaped steel pipes becomes a current difficult problem.
Because the existing butt-joint installation of the special-shaped steel pipes does not have corresponding special tools, and simultaneously lacks a reasonable and effective butt-joint installation method, the gap, radian and taper between the special-shaped steel pipes and the diagonal line of the whole set of water pipe are out of tolerance frequently in the current butt-joint installation process, so that the phenomenon of reworking or even waste products is caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's not enough, provide an iron-smelting blast furnace stave dysmorphism steel pipe to adorning the frock, through the rational design to adorning the frock structure, to the control of dress frock size, to the formulation of dress technology for drawing requirement can both be guaranteed to each size (interval, radian, tapering) before the casting lower mould to the dysmorphism steel pipe. The increase of the fixed support enables the position of the assembled and molded special-shaped steel pipe not to change in the process of transferring, hoisting, derusting, corrosion prevention and lower die. The problem of special-shaped steel pipe to the condition that the dress quality is difficult to guarantee is solved, work efficiency has been improved simultaneously.
The utility model provides a special-shaped steel pipe butt-assembling tool for a cooling wall of an iron-making blast furnace, which comprises a bottom plate, wherein a head end butt-assembling device for butt-assembling head ends of a plurality of special-shaped steel pipes and a tail end butt-assembling device for butt-assembling tail ends of a plurality of special-shaped steel pipes are respectively arranged at two ends of the upper surface of the bottom plate;
fixedly connecting a tail end cambered surface supporting plate at a position, close to the tail end butting device, on the bottom plate, fixedly connecting a head end cambered surface supporting plate at a position, close to the head end butting device, on the bottom plate, and placing special-shaped steel pipes on the head end cambered surface supporting plate and the tail end cambered surface supporting plate; a head end stop dog for positioning each special-shaped steel pipe is fixedly connected to the head end cambered surface supporting plate along the supporting plate cambered surface, and a tail end stop dog corresponding to each head end stop dog is fixedly connected to the tail end cambered surface supporting plate along the supporting plate cambered surface; the radius of the head end cambered surface supporting plate and the radius of the tail end cambered surface supporting plate are determined by the diameters of planing circles obtained by planing and cutting different positions of a conical barrel where the special-shaped steel pipe is located on a plane;
the head end butting device and the tail end butting device both comprise an upper limiting plate and a lower limiting plate which are arranged up and down, the upper limiting plate of the head end butting device and the upper limiting plate of the tail end butting device are identical in structure, and the lower limiting plate of the head end butting device and the lower limiting plate of the tail end butting device are identical in structure; a plurality of clamping grooves for clamping the pipe wall of each special-shaped steel pipe are arranged on one side edge of the upper limiting plate along the length direction of the upper limiting plate, and the circle centers of the plurality of clamping grooves are positioned on the same straight line; the notch directions of the plurality of clamping grooves of the upper limiting plate of the head butt joint device are opposite to the notch directions of the plurality of clamping grooves of the upper limiting plate of the tail butt joint device, and a limiting groove is also arranged in each clamping groove;
a plurality of positioning grooves for clamping the outer sleeve of each special-shaped steel pipe are arranged on one side edge of the lower limiting plate along the length direction of the lower limiting plate, and the circle centers of the plurality of positioning grooves are positioned on the same straight line; the direction of the notches of the positioning grooves of the lower limiting plate of the head butt joint device is opposite to the direction of the notches of the positioning grooves of the lower limiting plate of the tail butt joint device; the centers of the plurality of clamping grooves and the centers of the plurality of positioning grooves are arranged on the same longitudinal plane surface in a head-to-head mode, and the centers of the plurality of clamping grooves and the centers of the plurality of positioning grooves are arranged on the same longitudinal plane surface in a tail-to-tail mode.
Preferably, the upper limiting plate and the lower limiting plate of the head end butting device are fixedly connected with the head end vertical plate, and the head end vertical plate is movably connected with the bottom plate.
Preferably, the lower extreme rigid coupling slide of head end riser, the slide all is connected with the bottom plate through the bolt, the bolted connection point rigidity of slide and bottom plate.
Preferably, the upper limiting plate and the lower limiting plate of the tail end butting device are fixedly connected with the tail end vertical plate, and the tail end vertical plate is fixedly connected with the bottom plate.
Preferably, the radius of each clamping groove is 0.5mm added to the radius of the special-shaped steel pipe.
Preferably, the radius of each positioning groove is the radius of the outer sleeve plus 0.5 mm.
The utility model has the advantages that:
1. through the reasonable design to dress frock structure, to the control of dress frock size, to the formulation of dress technology, to the rational use of dress frock for each size (interval, radian, tapering) can both guarantee the drawing requirement before the casting lower mould of dysmorphism steel pipe. The increase of the fixed support enables the position of the assembled and molded special-shaped steel pipe not to change in the process of transferring, hoisting, derusting, corrosion prevention and lower die. The problem of special-shaped steel pipe to the condition that the dress quality is difficult to guarantee is solved, work efficiency has been improved simultaneously.
2. The tool can also be used as a detection tool after a single special-shaped steel pipe is roasted and formed and also used as a tool for quickly assembling an outer sleeve, and the parallelism, namely the axis parallelism, of the outer sleeve and the pipe wall of the special-shaped steel pipe can be quickly detected by matching two upper limiting plates and two lower limiting plates.
3. The dimensional tolerance of the special-shaped steel pipe before the casting process is effectively guaranteed, the manufacturing efficiency is improved, the problems of assembling quality and efficiency are well solved, and considerable economic benefits are generated.
Drawings
FIG. 1 is a three-dimensional view of a stave construction;
FIG. 2 is a schematic view of the three-dimensional structure of the assembly tool of the present invention;
FIG. 3 is a sectional view showing the connection relationship between the special-shaped steel pipe and the opposite assembling tool of the present invention;
FIG. 4 is a general assembly diagram of the assembly tool and the special-shaped steel pipe of the present invention;
FIG. 5 is an assembly view of the special-shaped steel pipe and the fixing support of the present invention;
fig. 6 is a schematic view of the front view structure of the upper limiting plate of the present invention;
fig. 7 is a schematic view of the front view structure of the lower limiting plate of the present invention;
FIG. 8 is a schematic view showing the connection relationship between the special-shaped steel pipe and the outer sleeve of the present invention;
shown in the figure:
1. the bottom plate, 2, tail end cambered surface layer board, 3, head end cambered surface layer board, 4, head end dog, 5, tail end dog, 6, last spacing board, 7, lower limiting plate, 8, tail end riser, 9, head end riser, 10, slide, 11, draw-in groove, 12, spacing groove, 13, constant head tank, 14, special-shaped steel pipe, 15, outer tube, 16, round steel, 17, fixed stay.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
For convenience of description, according to the shape of the special-shaped steel pipe in the cooling wall, the high end of the special-shaped steel pipe is defined as the head end, and the low end is defined as the tail end.
The utility model provides an iron-smelting blast furnace stave dysmorphism steel pipe is to dress frock, as shown in figure 2, 3, 4, including bottom plate 1, be equipped with respectively at the both ends of bottom plate 1 upper surface and be used for to adorning the head end of a plurality of dysmorphism steel pipe 14 head ends to adorning the device and be used for to adorning the tail end of a plurality of dysmorphism steel pipe 14 tail ends to adorning the device, tail end is to adorning device and bottom plate 1 fixed connection, head end is to adorning device and bottom plate 1 swing joint, the manual movement head end is to adorning the device and can realize that head end is to adorning the. A tail end cambered surface supporting plate 2 is fixedly connected to the position, close to the tail end assembling device, of the bottom plate 1, a head end cambered surface supporting plate 3 is fixedly connected to the position, close to the head end assembling device, of the bottom plate 1, and special-shaped steel pipes 14 are placed on the head end cambered surface supporting plate 3 and the tail end cambered surface supporting plate 2. A head end stop dog 5 for positioning each special-shaped steel pipe 14 is fixedly connected to the head end cambered surface supporting plate 3 along the supporting plate cambered surface, a tail end stop dog 4 corresponding to each head end stop dog 5 is fixedly connected to the tail end cambered surface supporting plate 2 along the supporting plate cambered surface, and the position of the special-shaped steel pipe 14 on the cambered surface is determined by the cooperation of one head end stop dog 5 and one tail end stop dog 4. The radius of the head end cambered surface supporting plate 3 and the radius of the tail end cambered surface supporting plate 2 are determined by the diameters of planing circles obtained by planing and cutting the conical barrel at different positions where the special-shaped steel pipe 14 is located. The arrangement of the radius of the head end cambered surface supporting plate 3, the arrangement of the radius of the tail end cambered surface supporting plate 2 and the matching of the head end stop block 5 and the tail end stop block 4 ensure that each special-shaped steel pipe 14 is in correct radian and taper.
The head end aligning device and the tail end aligning device both comprise an upper limiting plate 6 and a lower limiting plate 7 which are arranged up and down, the upper limiting plate 6 of the head end aligning device is identical in structure with the upper limiting plate 6 of the tail end aligning device, and the lower limiting plate 7 of the head end aligning device is identical in structure with the lower limiting plate 7 of the tail end aligning device. The upper limiting plate 6 and the lower limiting plate 7 of the head end assembling device are fixedly connected with the head end vertical plate 9, the head end vertical plate 9 is movably connected with the bottom plate 1, specifically, the lower end of the head end vertical plate 9 is fixedly connected with the sliding plate 10, the sliding plate 10 is connected with the bottom plate 1 through bolts, the positions of bolt connection points of the sliding plate 10 and the bottom plate 1 are fixed, and the positions of the head end assembling device can be adjusted through a bolt connection mode. An upper limiting plate 6 and a lower limiting plate 7 of the tail end butting device are fixedly connected with a tail end vertical plate 8, and the tail end vertical plate 8 is fixedly connected with the bottom plate 1. When the special-shaped steel pipes 14 are assembled in pairs, the connection between the special-shaped steel pipes 14 and the tail end assembling device is completed firstly, then the head end assembling device is close to the head end of the special-shaped steel pipe 14, and the head end assembling device is fixed on the bottom plate 1 through bolts. And when the opposite assembly is finished and the opposite assembled special-shaped steel pipe 14 needs to be moved out, removing the bolt, moving the head opposite assembly device away, and taking out the special-shaped steel pipe 14.
As shown in fig. 6, a plurality of slots 11 for clamping the wall of each special-shaped steel tube 14 are arranged on one side edge of the upper limiting plate 6 along the length direction thereof, the radius of each slot 11 is the radius of the special-shaped steel tube 14 plus 0.5mm, 0.5mm is the fitting allowance of the design requirement, and the centers of the plurality of slots 11 are located on the same straight line. The direction of the notches of the plurality of clamping grooves 11 of the upper limiting plate 6 of the head end butting device is opposite to the direction of the notches of the plurality of clamping grooves 11 of the upper limiting plate 6 of the tail end butting device. A limiting groove 12 is further arranged in each clamping groove 11, and the diameter of each limiting groove 12 is 8 mm. The center distance of the plurality of card slots 11 is determined by the drawing size of the cooling wall plus the contraction amount of 0.8/1000.
As shown in fig. 7, a plurality of positioning grooves 13 for clamping the outer sleeve 15 of each special-shaped steel tube 14 are arranged on one side edge of the lower limiting plate 7 along the length direction thereof, the radius of each positioning groove 13 is the radius of the outer sleeve 15 plus 0.5mm, 0.5mm is the fitting allowance of the design requirement, and the centers of the plurality of positioning grooves 13 are located on the same straight line. The notch directions of the plurality of positioning grooves 13 of the lower limiting plate 7 of the head butt joint device are opposite to the notch directions of the plurality of positioning grooves 13 of the lower limiting plate 7 of the tail butt joint device. The center distance of the plurality of positioning grooves 13 is determined by the drawing size of the stave plus the contraction amount of 0.8/1000. The centers of the plurality of clamping grooves 11 and the centers of the plurality of positioning grooves 13 are arranged on the same longitudinal plane surface in a head-to-head mode, and the centers of the plurality of clamping grooves 11 and the centers of the plurality of positioning grooves 13 are arranged on the same longitudinal plane surface in a tail-to-tail mode. The axis of each outer sleeve 15 at the head end and the axis of each special-shaped steel pipe 14 at the tail end can be ensured to be positioned on the same section, and the pipe orifice distance is consistent with the verticality tolerance of the outer sleeve 15.
When in specific use, the butt-assembling steps are as follows: the outer sleeve 15 is sleeved on the head end bending part and the tail end bending part of each special-shaped steel pipe 14, the single-side gap between the outer sleeve 15 and the special-shaped steel pipe 14 is 8mm, as shown in fig. 8, round steel 16 with the diameter of 8mm is uniformly distributed in the gap formed by the special-shaped steel pipe 14 and the outer sleeve 15 at the included angle of 120 degrees, the connecting point of the round steel 16 and the special-shaped steel pipe 14 and the connecting point of the round steel 16 and the outer sleeve 15 are firmly welded by electric welding, the center of one round steel 16 is required to be positioned on the longitudinal section of the whole special-shaped steel pipe 14 and the outer sleeve 15, and the round steel 16 and the limiting groove 12 are; placing a special-shaped steel pipe 14 on the head end cambered surface supporting plate 3 and the tail end cambered surface supporting plate 2, enabling the special-shaped steel pipe 14 to abut against one head end stop block 5 and one tail end stop block 4 which are opposite, clamping the tail end of the special-shaped steel pipe 14 into one clamping groove 11 of an upper limiting plate 6 of a tail end butting device, clamping a round steel 16 into a limiting groove 12, and clamping an outer sleeve 15 into a positioning groove 13; assembling the special-shaped steel pipes 14 with the tail end assembling device one by one according to the method; the head end aligning device is close to the head end of the special-shaped steel pipe 14, the head end of each special-shaped steel pipe 14 is clamped into a clamping groove 11 of an upper limiting plate 6 of the head end aligning device, round steel 16 is clamped into a limiting groove 12, an outer sleeve 15 is clamped into a positioning groove 13, and the head end aligning device is fixed on the bottom plate 1 through bolts; after the special-shaped steel pipes 14 are assembled in pairs, as shown in fig. 5, the four special-shaped steel pipes 14 at the head end are welded into a whole by using the fixed support 17 in a welding manner, the four outer sleeves 15 at the head end are welded into a whole, the four special-shaped steel pipes 14 at the tail end are welded into a whole, and the four outer sleeves 15 at the tail end are welded into a whole, so that deformation in the subsequent processes and the transferring and hoisting processes is prevented; and removing the bolts, moving the head end assembling device away, and taking out the assembled special-shaped steel pipe 14 for subsequent processing.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.
Claims (6)
1. The utility model provides an iron-smelting blast furnace stave dysmorphism steel pipe is to dress frock which characterized in that: the special-shaped steel tube butt-assembling device comprises a bottom plate (1), wherein a head end butt-assembling device for butt-assembling head ends of a plurality of special-shaped steel tubes (14) and a tail end butt-assembling device for butt-assembling tail ends of the plurality of special-shaped steel tubes (14) are respectively arranged at two ends of the upper surface of the bottom plate (1), the tail end butt-assembling device is fixedly connected with the bottom plate (1), and the head end butt-assembling device is movably connected with the bottom plate (1);
a tail end cambered surface supporting plate (2) is fixedly connected to the position, close to the tail end assembling device, of the bottom plate (1), a head end cambered surface supporting plate (3) is fixedly connected to the position, close to the head end assembling device, of the bottom plate (1), and special-shaped steel pipes (14) are placed on the head end cambered surface supporting plate (3) and the tail end cambered surface supporting plate (2); a head end stop dog (5) for positioning each special-shaped steel pipe (14) is fixedly connected to the head end cambered surface supporting plate (3) along the supporting plate cambered surface, and a tail end stop dog (4) corresponding to each head end stop dog (4) is fixedly connected to the tail end cambered surface supporting plate (2) along the supporting plate cambered surface; the radius of the head end cambered surface supporting plate (3) and the radius of the tail end cambered surface supporting plate (2) are determined by the diameters of planing circles obtained by planing and cutting different positions of a conical barrel where the special-shaped steel pipe (14) is located on a plane;
the head end butting device and the tail end butting device both comprise an upper limiting plate (6) and a lower limiting plate (7) which are arranged up and down, the upper limiting plate (6) of the head end butting device and the upper limiting plate (6) of the tail end butting device are identical in structure, and the lower limiting plate (7) of the head end butting device and the lower limiting plate (7) of the tail end butting device are identical in structure; a plurality of clamping grooves (11) for clamping the pipe wall of each special-shaped steel pipe (14) are formed in one side edge of the upper limiting plate (6) along the length direction of the upper limiting plate, and the circle centers of the plurality of clamping grooves (11) are located on the same straight line; the notch directions of the plurality of clamping grooves (11) of the upper limiting plate (6) of the end butting device are opposite to the notch directions of the plurality of clamping grooves (11) of the upper limiting plate (6) of the tail end butting device, and a limiting groove (12) is also arranged in each clamping groove (11);
a plurality of positioning grooves (13) for clamping an outer sleeve (15) of each special-shaped steel pipe (14) are formed in one side edge of the lower limiting plate (7) along the length direction of the lower limiting plate, and the centers of the plurality of positioning grooves (13) are positioned on the same straight line; the notch directions of the positioning grooves (13) of the lower limiting plate (7) of the head butt joint device are opposite to the notch directions of the positioning grooves (13) of the lower limiting plate (7) of the tail butt joint device; the centers of circles of the clamping grooves (11) and the positioning grooves (13) are oppositely arranged at the head end and are positioned on the same longitudinal plane, and the centers of circles of the clamping grooves (11) and the positioning grooves (13) are oppositely arranged at the tail end and are positioned on the same longitudinal plane.
2. The iron-making blast furnace cooling wall special-shaped steel pipe assembling tool according to claim 1, characterized in that: an upper limiting plate (6) and a lower limiting plate (7) of the head end aligning device are fixedly connected with a head end vertical plate (9), and the head end vertical plate (9) is movably connected with the bottom plate (1).
3. The iron-making blast furnace cooling wall special-shaped steel pipe assembling tool according to claim 2, characterized in that: the lower end of the head end vertical plate (9) is fixedly connected with a sliding plate (10), the sliding plate (10) is connected with the bottom plate (1) through bolts, and the positions of bolt connection points of the sliding plate (10) and the bottom plate (1) are fixed.
4. The iron-making blast furnace cooling wall special-shaped steel pipe assembling tool according to claim 3, characterized in that: an upper limiting plate (6) and a lower limiting plate (7) of the tail end aligning device are fixedly connected with a tail end vertical plate (8), and the tail end vertical plate (8) is fixedly connected with the bottom plate (1).
5. The iron-making blast furnace cooling wall special-shaped steel pipe assembling tool according to claim 1, characterized in that: the radius of each clamping groove (11) is the radius of the special-shaped steel pipe (14) plus 0.5 mm.
6. The iron-making blast furnace cooling wall special-shaped steel pipe assembling tool according to claim 5, characterized in that: the radius of each positioning groove (13) is the radius of the outer sleeve (15) plus 0.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920767098.1U CN209890654U (en) | 2019-05-27 | 2019-05-27 | Iron-smelting blast furnace cooling wall dysmorphism steel pipe is to dress frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920767098.1U CN209890654U (en) | 2019-05-27 | 2019-05-27 | Iron-smelting blast furnace cooling wall dysmorphism steel pipe is to dress frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209890654U true CN209890654U (en) | 2020-01-03 |
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ID=69001263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920767098.1U Expired - Fee Related CN209890654U (en) | 2019-05-27 | 2019-05-27 | Iron-smelting blast furnace cooling wall dysmorphism steel pipe is to dress frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209890654U (en) |
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2019
- 2019-05-27 CN CN201920767098.1U patent/CN209890654U/en not_active Expired - Fee Related
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Granted publication date: 20200103 Termination date: 20200527 |