CN211689136U

CN211689136U - Device for quickly positioning blast furnace hot air surrounding pipe

Info

Publication number: CN211689136U
Application number: CN202020149982.1U
Authority: CN
Inventors: 房政; 郑治飞; 杨健; 李定坤
Original assignee: China MCC17 Group Co Ltd
Current assignee: China MCC17 Group Co Ltd
Priority date: 2020-01-23
Filing date: 2020-01-23
Publication date: 2020-10-16
Anticipated expiration: 2030-01-23

Abstract

The utility model discloses a device for quickly positioning a blast furnace hot air surrounding pipe, which belongs to the technical field of industrial pipeline installation. The utility model comprises a transverse supporting piece welded on the outer wall of the furnace shell, wherein a vertical supporting piece is vertically arranged on the lower end surface of the transverse supporting piece, and the vertical supporting piece is fixedly arranged on a cast house platform; the furnace shell is characterized in that a placing table and limiting angle steel are installed on the upper end face of the transverse supporting piece, arc limiting blocks are symmetrically arranged on the placing table in the left-right direction, the limiting angle steel is vertically installed on the upper end face of the transverse supporting piece, and the opening of the limiting angle steel faces the furnace shell. The utility model discloses a vertical support piece of terminal surface under horizontal support piece is installed perpendicularly, supports horizontal support piece, and installs spacing angle steel perpendicularly on horizontal support piece's up end, carries on spacingly to hot-blast bustle pipe through spacing angle steel and arc stopper, avoids in the installation, and hot-blast bustle pipe shifts and brings danger, guarantees the stability that hot-blast bustle pipe placed.

Description

Device for quickly positioning blast furnace hot air surrounding pipe

Technical Field

The utility model relates to an industrial pipeline installs technical field auxiliary device, more specifically says, relates to a device of taking one's place fast of blast furnace hot-blast surrounding pipe.

Background

In the installation and construction of the existing large-scale blast furnace process steel structure, because the hot air surrounding pipe is positioned above the tuyere of the furnace shell, the installation of the hot air surrounding pipe is connected and fixed with a frame beam of the blast furnace through a surrounding pipe suspender, and the frame beam can not be synchronously installed at the moment, the diameter of the hot air surrounding pipe is large, the weight is heavy, and the hot air surrounding pipe is temporarily hoisted in place by utilizing an existing large-scale crane on site after the furnace shell is installed on the furnace waistband.

The existing hot blast bustle pipe is generally placed on a triangular support frame before being hoisted, such as the Chinese patent number previously applied by the applicant: ZL 200910184994.6, the name of the invention creation is: the high-altitude sectional in-place mounting method of the blast furnace hot air surrounding pipe comprises the steps that a bracket in the application is formed by assembling and welding a horizontal cross beam and an inclined strut and is triangular, and a left arc stop block and a right arc stop block are symmetrically welded on the cross beam of each bracket; the bracket is welded on the outer circumference of the blast furnace body; the bracket is provided with a left arc stop block and a right arc stop block which are used for positioning the hot blast bustle pipe. However, in the actual use process of the applicant, the hot blast bustle pipe is limited by the left and right circular arc stoppers in the placing process, in the whole installation process, the parts on the blast furnace need to be carried, installed, cut and the like, vibration is easy to generate, the hot blast bustle pipe is heavy, the triangular support frame of the hot blast bustle pipe can deform, the placing stability of the hot blast bustle pipe is affected, and certain potential safety hazards exist, so that further improvement is needed.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

The utility model aims to solve the problem of poor stability when the hot blast surrounding pipe is placed in the prior art, and provides a device for quickly positioning the hot blast surrounding pipe of the blast furnace; the utility model discloses a vertical support piece of terminal surface under horizontal support piece is installed perpendicularly, supports horizontal support piece, and installs spacing angle steel perpendicularly on horizontal support piece's up end, carries on spacingly to hot-blast bustle pipe through spacing angle steel and arc stopper, avoids in the installation, and hot-blast bustle pipe shifts and brings danger, guarantees the stability that hot-blast bustle pipe placed.

2. Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model relates to a device for quickly positioning a blast furnace hot air surrounding pipe, which comprises a transverse supporting piece welded on the outer wall of a furnace shell, wherein a vertical supporting piece is vertically arranged on the lower end surface of the transverse supporting piece, and the vertical supporting piece is fixedly arranged on a cast house platform; the furnace shell is characterized in that a placing table and limiting angle steel are installed on the upper end face of the transverse supporting piece, arc limiting blocks are symmetrically arranged on the placing table in the left-right direction, the limiting angle steel is vertically installed on the upper end face of the transverse supporting piece, and the opening of the limiting angle steel faces the furnace shell.

As a further improvement, the cross section of the transverse support member is H-shaped, and a plurality of rib plates are arranged in the gap between the upper support plate and the lower support plate on both sides of the transverse support member, and the rib plates are arranged below the placing table.

As a further improvement of the utility model, a plurality of stiffened plates are arranged at equal intervals along the length direction of the transverse supporting piece.

As a further improvement of the present invention, the vertical support members are provided with 3, the vertical support members are located below the placement table, and the cross section of the vertical support members is H-shaped, and 3 vertical support members are arranged along the width direction of the horizontal support members.

As a further improvement, the two adjacent vertical supporting members are mutually perpendicular.

As a further improvement, place the platform and install on the upper surface of last backup pad through belleville spring, belleville spring is provided with two sets ofly at least, and multiunit belleville spring sets up along the equidistant interval of length direction of last backup pad.

As a further improvement of the utility model, 3-5 disc springs are arranged in each group of disc springs, and the disc springs in each group are arranged at equal intervals along the width direction of the upper supporting plate.

As a further improvement, the upper surface of the upper supporting plate is vertically provided with 4 right-angle limiting rods, the right-angle limiting rods are arranged at four corners of the placing table, and the placing table is limited.

As a further improvement of the utility model, the two ends of the limiting angle steel are respectively provided with an arc-shaped surface.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with existing well-known technique, have following beneficial effect:

(1) the utility model discloses a blast furnace hot-blast bustle pipe device of taking one's place fast, through the vertical support piece of perpendicular installation at horizontal support piece lower extreme face, to horizontal support piece fixed mounting at the cast house platform, this structure is for triangular supports, the effort that the hot-blast bustle pipe exerted is transmitted to the cast house platform through vertical support piece, is supported by the cast house platform, makes the whole support system more stable; in addition, the upper end face of the transverse supporting piece is vertically provided with the limiting angle steel, the hot air surrounding pipe is limited through the limiting angle steel and the arc limiting block, the situation that in the installation process, the hot air surrounding pipe is shifted to bring danger is avoided, and the placing stability of the hot air surrounding pipe is guaranteed.

(2) The utility model discloses a device for quickly taking a blast furnace hot air surrounding pipe in place, a plurality of stiffened plates are arranged in the gap between the upper supporting plate and the lower supporting plate on the two sides of the transverse supporting piece, and the stiffened plates are positioned below the placing table, so that the supporting performance of the transverse supporting piece is improved, and the stiffened plates are combined with the vertical support, thereby effectively avoiding the deformation of the transverse supporting piece and improving the stability of the whole supporting system; in addition, a plurality of stiffened plates are arranged at equal intervals along the length direction of the transverse supporting piece, so that the acting force is homogenized when the transverse supporting piece is stressed, and the stability of a supporting system is further improved.

(3) The utility model discloses a device of taking one's place fast of blast furnace hot-blast bustle pipe, through being equipped with 3 vertical support piece, and carry out certain overall arrangement to 3 vertical support piece's position for more homogenization when vertical support piece bears the effort, be convenient for with even transmission to casting house platform of effort, improve the stability of support system.

(4) The utility model discloses a device for quickly taking a blast furnace hot air surrounding pipe in place, a placing table of the device is connected with an upper supporting plate through a disc spring, four corners of the placing table are provided with right-angle limiting rods, the placing table is limited through the right-angle limiting rods, when the hot air surrounding pipe is placed on the placing table, the disc spring is compressed, and meanwhile, the right-angle limiting rods ensure the stability of a moving route of the placing table, thereby ensuring the stability of the support of the placing table; in addition, the rigidity of the disc spring is high, so that the disc spring can bear a large load, and the supporting performance of the whole supporting system is improved.

Drawings

FIG. 1 is a schematic view of the installation structure of a device for quickly positioning a blast furnace hot air surrounding pipe of the present invention;

FIG. 2 is a schematic structural view of a transverse supporting member according to the present invention;

FIG. 3 is a schematic view of another perspective of the lateral support member of the present invention;

fig. 4 is a schematic cross-sectional view taken along line a-a in fig. 1.

The reference numerals in the schematic drawings illustrate:

10. a furnace shell; 20. a hot air surrounding pipe; 31. a transverse support; 311. an upper support plate; 312. a lower support plate; 313. adding a rib plate; 32. a vertical support; 321. a gasket; 33. a placing table; 331. a disc spring; 332. an arc-shaped limiting block; 333. a right-angle limiting rod; 34. limiting angle steel; 341. an arc-shaped surface; 40. a cast house platform.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.

Example 1

The device for quickly positioning the blast furnace hot air surrounding pipe of the embodiment comprises a transverse support member 31 welded on the outer wall of a furnace shell 10, wherein a vertical support member 32 is vertically arranged on the lower end surface of the transverse support member 31, and the vertical support member 32 is fixedly arranged on a cast house platform 40; for the triangular support, the front end of the triangular support is easy to deform, and the acting force applied by the hot blast bustle pipe 20 in the embodiment is transmitted to the cast house platform 40 through the vertical support piece 32, and is supported by the cast house platform 40, so that the stability of the whole support system is ensured.

With reference to fig. 2 and fig. 3, a placing table 33 and a limiting angle steel 34 are installed on the upper end surface of the transverse support member 31 in this embodiment, wherein arc-shaped limiting blocks 332 are symmetrically arranged on the upper surface of the placing table 33 in the left-right direction, the bustle pipe 20 is placed between the two arc-shaped limiting blocks 332, and the bustle pipe 20 is limited by the two arc-shaped limiting blocks 332; in addition, the spacing angle steel 34 of this embodiment is installed perpendicularly on the up end of horizontal support piece 31, and the opening of spacing angle steel 34 towards stove outer covering 10, carries on spacingly through spacing angle steel 34 and arc stopper 332 to the position of bustle pipe 20, avoids in the installation, and bustle pipe 20 takes place to shift and brings danger, guarantees the stability that bustle pipe 20 placed.

Preferably, the cross section of the transverse support member 31 of this embodiment is H-shaped, a plurality of rib plates 313 are arranged in a gap between the upper support plate 311 and the lower support plate 312 on both sides of the transverse support member 31, the number of the rib plates 313 may be 2, 4, or 6, as shown in fig. 2, the placing table 33 and the limiting angle steel 34 of this embodiment are arranged on the upper surface of the upper support plate 311, and the vertical support member 32 is fixedly connected to the lower surface of the lower support plate 312.

The stiffened plate 313 in this embodiment is provided with 2 pieces.

It should be noted that the rib plate 313 in the present embodiment is disposed below the placing table 33, and the plurality of rib plates 313 are disposed at equal intervals along the longitudinal direction of the transverse bracing member 31. The acting force born by the transverse supporting piece 31 is homogenized through the plurality of stiffened plates 313, the supporting performance of the transverse supporting piece 31 is improved, and the influence on the supporting performance of the whole supporting system caused by the denaturation of the transverse supporting piece 31 is avoided. In addition, the stiffened plate 313 is combined with the vertical support, so that the deformation of the transverse supporting piece 31 is effectively avoided, and the stability of the whole supporting system is improved.

In this embodiment, in order to avoid the damage to the bustle pipe 20 caused by the two ends of the position-limiting angle steel 34 facing the bustle pipe 20, two arc-shaped surfaces 341 are respectively disposed at the two ends of the position-limiting angle steel 34.

Example 2

The fast positioning device for the blast furnace hot air surrounding pipe of the embodiment is basically the same as the embodiment 1, and the difference is that: with reference to fig. 1 and 4, the number of the vertical supports 32 of the present embodiment is 3, and the vertical supports 32 are located below the placing table 33 for supporting.

Preferably, the vertical supports 32 in this embodiment have an H-shape in cross section, and 3 vertical supports 32 are provided along the width direction of the lateral supports 31.

Further, as shown in fig. 4, two adjacent vertical supports 32 are disposed perpendicular to each other, that is, one vertical support 32 is disposed horizontally, and the other vertical support 32 is disposed vertically. Through carrying out the overall arrangement to vertical support piece 32's position for vertical support piece 32 is more homogenization when bearing the effort, is convenient for with the even transmission of effort to cast house platform 40, improves the stability of support system.

It should be noted that in the present embodiment, the horizontal supporting member 31 and the vertical supporting member 32 are both H-shaped steel with strong bending resistance.

In addition, vertical support piece 32 passes through gasket 321 and the cast house platform 40 is fixed continuous in this embodiment, and on the one hand, the vertical support piece 32 of being convenient for is installed on cast house platform 40, and on the other hand, the vertical support piece 32 of being convenient for evenly spreads the effort and transmits to cast house platform 40, guarantees the stability of supporting.

Example 3

The fast positioning device for the blast furnace hot air surrounding pipe of the embodiment is basically the same as the embodiment 2, and the difference is that: referring to fig. 2 and 3, the placing table 33 in the present embodiment is mounted on the upper surface of the upper support plate 311 through the disc springs 331, the disc springs 331 are provided at least two sets, which may be two sets, three sets, five sets … …, and the multiple sets of disc springs 331 are equally spaced along the length direction of the upper support plate 311, so as to ensure the consistency of the movement of the placing table 33 along the height direction of the disc springs 331.

Preferably, there are 3 groups of disc springs 331 in the present embodiment, and 5 disc springs 331 are provided in each group of disc springs 331, and the disc springs 331 in each group are disposed at equal intervals in the width direction of the upper support plate 311.

It should be noted that, in the present embodiment, each set of disc springs 331 may also have 3 or 4 disc springs 331.

In addition, the present embodiment is vertically provided with 4 right-angle limiting rods 333 on the upper surface of the upper supporting plate 311, the right-angle limiting rods 333 being provided at four corners of the placing table 33, as shown in fig. 2, for limiting the placing table 33, when the hot blast bustle pipe 20 is placed on the placing table 33, the belleville springs 331 are compressed, and at the same time, the right-angle limiting rods 333 ensure the stability of the moving route of the placing table 33, thereby ensuring the stability of the support of the placing table 33.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a blast furnace hot blast bustle pipe device of taking one's place fast, includes that the welding is in horizontal support piece (31) on stove outer wall (10), its characterized in that: the lower end face of the transverse support member (31) is vertically provided with a vertical support member (32), and the vertical support member (32) is fixedly arranged on a cast house platform (40); the furnace shell structure is characterized in that a placing table (33) and limiting angle steel (34) are installed on the upper end face of the transverse supporting piece (31), arc limiting blocks (332) are symmetrically arranged on the placing table (33) in the left-right direction, the limiting angle steel (34) is vertically installed on the upper end face of the transverse supporting piece (31), and the opening of the limiting angle steel (34) faces the furnace shell (10).

2. The fast positioning device for the blast furnace hot air surrounding pipe according to claim 1, characterized in that: the cross section of the transverse supporting member (31) is H-shaped, a plurality of rib plates (313) are arranged in a gap between an upper supporting plate (311) and a lower supporting plate (312) at two sides of the transverse supporting member (31), and the rib plates (313) are arranged below the placing table (33).

3. The fast positioning device for the blast furnace hot air surrounding pipe according to claim 2, characterized in that: the plurality of rib plates (313) are arranged at equal intervals along the length direction of the transverse support member (31).

4. The blast furnace hot air bustle pipe fast-positioning device according to any one of claims 1 to 3, characterized in that: the number of the vertical supporting pieces (32) is 3, the vertical supporting pieces (32) are located below the placing table (33), the cross section of each vertical supporting piece (32) is H-shaped, and the 3 vertical supporting pieces (32) are arranged along the width direction of the transverse supporting piece (31).

5. The fast positioning device for the blast furnace hot air surrounding pipe according to claim 4, is characterized in that: two adjacent vertical supporting pieces (32) are arranged perpendicular to each other.

6. The fast positioning device for the blast furnace hot air surrounding pipe according to claim 2, characterized in that: the placing table (33) is installed on the upper surface of the upper supporting plate (311) through disc springs (331), at least two groups of disc springs (331) are arranged, and the groups of disc springs (331) are arranged at equal intervals along the length direction of the upper supporting plate (311).

7. The fast positioning device for the blast furnace hot air surrounding pipe according to claim 6, is characterized in that: 3-5 disc springs (331) are arranged in each group of disc springs (331), and the disc springs (331) in each group are arranged at equal intervals along the width direction of the upper support plate (311).

8. The fast positioning device for the blast furnace hot air surrounding pipe according to claim 2, characterized in that: the upper surface of the upper supporting plate (311) is vertically provided with 4 right-angle limiting rods (333), and the right-angle limiting rods (333) are arranged at four corners of the placing table (33) and used for limiting the placing table (33).

9. The fast positioning device for the blast furnace hot air surrounding pipe according to claim 1, characterized in that: two ends of the limiting angle steel (34) are respectively provided with an arc-shaped surface (341).