CN214659244U - Flange connection self-supporting chimney in sleeve - Google Patents
Flange connection self-supporting chimney in sleeve Download PDFInfo
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- CN214659244U CN214659244U CN202120207324.8U CN202120207324U CN214659244U CN 214659244 U CN214659244 U CN 214659244U CN 202120207324 U CN202120207324 U CN 202120207324U CN 214659244 U CN214659244 U CN 214659244U
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- shell ring
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- outer shell
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Abstract
The utility model discloses a self-supporting chimney with flange connection in a sleeve, which is formed by an inner tube and an outer tube sleeve, wherein the outer tube is formed by axially splicing a plurality of outer tube sections, the inner tube is formed by axially splicing a plurality of inner tube sections, inner flanges are respectively arranged on the inner walls of the splicing parts of the adjacent outer tube sections, and the splicing and fixing of the adjacent outer tube sections are realized by bolting the adjacent inner flanges; in the chimney structure, the splicing position of the inner cylinder section at the same stage is lower than that of the outer cylinder section. The utility model discloses an among the chimney, the inner tube festival concatenation department in the same stage is less than urceolus festival concatenation department, realizes the axial concatenation of outer shell ring through the inner flange, and concatenation department is difficult for receiving external environmental impact, and the installation is swiftly convenient, and is with low costs.
Description
Technical Field
The utility model belongs to the technical field of machinery and specifically relates to a flange joint self-reliance chimney in sleeve.
Background
The chimney in the prior art is formed by sleeving an inner barrel and an outer barrel, the outer barrel is axially spliced layer by layer during installation, then the spliced part is fixed through an outer flange, then the inner barrel is hoisted in the chimney, and the chimney is spliced layer by layer to complete installation. According to the installation mode, the connecting piece of the outer barrel is exposed outside the chimney, so that the chimney is easy to rust and corrode, meanwhile, maintenance personnel are required to maintain the chimney with the help of auxiliary facilities, the lifting cost is high, and the safety coefficient of the operation process is low. Meanwhile, after the outer barrel is installed, the inner barrel is difficult to calibrate and time and labor are wasted in operation when the inner barrel is hoisted.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to overcome the deficiency of the background art, the utility model discloses a flange joint self-supporting chimney in sleeve.
The technical scheme is as follows: the utility model discloses a self-supporting chimney with flange connection in sleeve, which is formed by an inner tube and an outer tube sleeve, wherein the outer tube is formed by axially splicing a plurality of outer tube sections, the inner tube is formed by axially splicing a plurality of inner tube sections, inner flanges are respectively arranged on the inner walls of the splicing parts of the adjacent outer tube sections, and the splicing and fixing of the adjacent outer tube sections are realized by bolting the adjacent inner flanges;
in the chimney structure, the splicing position of the inner cylinder section at the same stage is lower than that of the outer cylinder section.
During construction, the first section of outer shell ring and the inner shell ring are sequentially installed, the upper section of outer shell ring is hoisted to be spliced with the installed outer shell ring, a constructor installs the inner flange in the outer shell, the splicing position of the inner shell ring is lower than that of the outer shell ring, so that the installed inner shell ring does not influence the installation of the inner flange of the outer shell ring, and after the installation is finished, the upper section of inner shell ring is hoisted to be assembled with the installed inner shell ring, and the upper section of inner shell ring and the installed inner shell ring are sequentially installed to the top of the chimney layer by layer.
Furthermore, the inner flange is welded and fixed with the inner wall of the outer cylinder section.
Furthermore, the axial splicing position of the outer barrel joint is connected by adopting an inner flange, or part of the axial splicing position is connected by adopting an inner flange, and the other part of the axial splicing position is connected by adopting an outer flange. The lower part of the chimney can be connected by adopting an outer flange, and when the chimney is installed to a higher part, the installation construction difficulty of the outer flange is higher, and the inner flange is preferably connected.
Furthermore, the inner wall of the outer barrel is provided with a crawling ladder from the barrel bottom to the barrel top, and operation platforms are arranged below the flange connection part in the outer barrel section. The installation of interior flange is stood on operation platform to the constructor of being convenient for.
Furthermore, the top of the inner wall of the outer cylinder section is connected with the outer wall of the inner cylinder section through a cover plate, and an access hole is formed in the position, corresponding to the ladder stand, of the cover plate.
Further, be equipped with position control mechanism between outer shell ring section and the inner tube section, position control mechanism includes:
the bearing support is arranged on the inner wall of the outer barrel section;
the inner cylinder axial adjusting rod is fixed on the outer wall of the inner cylinder, a pre-installation hole is formed in the inner cylinder axial adjusting rod, an adjusting rod limiting part is arranged on the bearing support, a limiting hole is formed in the position, corresponding to the pre-installation hole, of the adjusting rod limiting part, and a transverse bolt penetrates through the pre-installation hole and the limiting hole to fix the positions of the inner cylinder axial adjusting rod and the adjusting rod limiting part;
the axial fine adjustment screw rod is arranged on the bearing support, the inner cylinder axial adjustment rod is fixedly connected with a fine adjustment nut piece, the fine adjustment nut piece is sleeved on the axial fine adjustment screw rod, and axial fine adjustment of the inner cylinder section is achieved by rotating the axial fine adjustment screw rod.
During construction, when the inner flange of the outer cylinder section is installed, the inner cylinder section to be installed is pre-arranged on the bearing support and penetrates through the pre-installation hole and the limiting hole through the transverse bolt to form position fixing; when the outer barrel section is installed, the transverse bolt is pulled out, the inner barrel section is axially adjusted downwards, and the fine adjustment nut piece is used for carrying out axial fine adjustment, so that the final position is fixed.
The position adjusting mechanism can be understood as a pre-installation fixing mechanism, namely, the inner cylinder section and the outer cylinder section are pre-installed when leaving a factory and are directly transported to a construction point for installation. After preassembling, the upper end part of the inner cylinder section at the same stage is higher than the upper end part of the outer cylinder section, and after installation, the inner cylinder section at the same stage displaces downwards to form that the splicing position of the inner cylinder section at the same stage is lower than that of the outer cylinder section.
Furthermore, the position adjusting mechanism is arranged in a plurality of circumferential intervals between the outer cylinder section and the inner cylinder section, so that the force is more uniformly adjusted.
Further, be equipped with between outer shell ring and the inner tube festival and shake the mechanism, shake the mechanism and include:
the limiting bracket is arranged on the inner wall of the outer shell ring;
the buffer piece is arranged between the outer wall of the inner barrel section and the limiting bracket.
Furthermore, the shake-stopping mechanism is arranged in a plurality of circumferential and axial intervals between the outer shell ring and the inner shell ring, so that the inner shell ring is not easy to transversely shake when being hoisted through the shake-stopping mechanism, and the installation difficulty is brought.
Has the advantages that: compared with the prior art, the utility model has the advantages that:
(1) the splicing position of the inner cylinder section at the same stage is lower than that of the outer cylinder section, the axial splicing of the outer cylinder section is realized through the inner flange, the splicing position is not easily influenced by the external environment, the installation is rapid and convenient, and the cost is low;
(2) the operation platform is convenient for constructors to construct the connection position of the inner flange and extends to the top through the crawling ladder, so that the maintenance of top equipment is facilitated;
(3) through setting up position control mechanism, install in advance the inner tube festival to convenient accurate location of follow-up installation, the cooperation is stopped shaking the mechanism, has further increased the stability when the inner tube festival is installed.
Drawings
FIG. 1 is an overall structure diagram of the chimney of the present invention;
FIG. 2 is a partial structure view of the outer tube section splicing part of the present invention;
FIG. 3 is an axial cross-sectional view of the operation platform of the present invention;
FIG. 4 is a partial top view of the present invention;
fig. 5 is a front view of the position adjustment mechanism of the present invention;
fig. 6 is an axial sectional view of the position adjustment mechanism of the present invention;
fig. 7 is an axial sectional view of the shaking stopping mechanism of the present invention.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.
The sleeve inner flange connection self-standing chimney shown in fig. 1 is formed by sleeving an inner cylinder and an outer cylinder, wherein the outer cylinder is formed by axially splicing a plurality of outer cylinder sections 1, and the inner cylinder is formed by axially splicing a plurality of inner cylinder sections 2. The chimney mainly comprises a chimney capital construction A section, a chimney barrel B section and a chimney top C section from the bottom to the top. A section A of the capital construction is provided with a chimney foundation function structure, a section B of the barrel is mainly a barrel structure which is sleeved with an inner barrel and an outer barrel, a section C of the top of the barrel is mainly used for sealing the outer barrel to establish a maintenance platform, and the inner barrel penetrates through the platform to extend upwards.
As shown in fig. 2, inner flanges 3 are respectively arranged on the inner walls of the splicing parts of the adjacent outer shell sections 1, and the splicing and fixing of the adjacent outer shell sections 1 are realized by bolting the adjacent inner flanges 3; the inner flange 3 and the inner wall of the outer shell ring 1 are welded and fixed, and the welding position is welded and reinforced by reinforcing ribs.
In the chimney structure, the splicing position of the inner cylinder section 2 at the same stage is lower than that of the outer cylinder section 1. As shown in fig. 2, in this stage, the joint of the inner shell ring 2 is L1, and the joint of the outer shell ring 1 is at the position L2 of the inner flange 3, so that the coverage of the inner shell ring 2 can never affect the construction when the inner flange is installed.
During construction, the first section of the outer shell ring 1 and the inner shell ring 2 are sequentially installed, the upper section of the outer shell ring is hoisted to be spliced with the installed outer shell ring, a constructor installs the inner flange 3 in the outer shell, and the splicing position L1 of the inner shell ring is lower than the splicing position L2 of the outer shell ring, so that the installed inner shell ring 2 does not influence the installation of the inner flange 3 of the outer shell ring 1, and after the installation is finished, the upper section of the inner shell ring is hoisted to be assembled with the installed inner shell ring and is installed to the top of the chimney layer by layer upwards.
The axial splicing part of the outer shell ring 1 is connected by adopting an inner flange, or the axial splicing part is connected by adopting an inner flange, and the axial splicing part is connected by adopting an outer flange. The lower part of the chimney can be connected by adopting an outer flange, and when the chimney is installed to a higher part, the installation construction difficulty of the outer flange is higher, and the inner flange is preferably connected. In this embodiment, the inner flanges are used for connection.
As shown in fig. 3, a ladder 401 is arranged on the inner wall of the outer cylinder from the bottom of the cylinder to the top of the cylinder, and an operation platform 402 is arranged below the connection position of the flanges in the outer cylinder section. The constructor constructs the splice of the outer shell ring by standing on the operation platform 402.
As shown in fig. 4, the top of the inner wall of the outer cylindrical section 1 is connected with the outer wall of the inner cylindrical section 2 through a cover plate 5, and an access hole 6 is formed in the position, corresponding to the ladder 401, of the cover plate 5, so that maintenance of top equipment is facilitated.
As shown in fig. 5 and 6, a position adjusting mechanism is provided between the outer cylindrical section 1 and the inner cylindrical section 2, and the position adjusting mechanism includes:
the bearing support 7 is arranged on the inner wall of the outer shell ring 1, and the bearing support 7 is arranged on the inner wall of the outer shell ring 1;
the inner cylinder axial adjusting rod 8 is fixed on the outer wall of the inner cylinder, a pre-installation hole 801 is formed in the inner cylinder axial adjusting rod 8, an adjusting rod limiting piece 9 is arranged on the bearing support 7, a limiting hole 901 is formed in the position, corresponding to the pre-installation hole 801, of the adjusting rod limiting piece 9, and the inner cylinder axial adjusting rod 8 and the adjusting rod limiting piece 9 are fixed in position through a transverse bolt 10 penetrating through the pre-installation hole 801 and the limiting hole 901;
the axial fine adjustment screw rod 11, the axial fine adjustment screw rod 11 is located on the bearing support 7, inner tube axial adjusting rod 8 fixedly connected with fine adjustment nut spare 12, fine adjustment nut spare 12 cover is established at axial fine adjustment screw rod 11, realizes inner tube festival axial fine setting through rotating axial fine adjustment screw rod 11.
During construction, when the inner flange of the outer cylinder section is installed, the inner cylinder section to be installed is pre-arranged on the bearing support 7 and passes through the pre-installation hole 801 and the limiting hole 901 through the transverse bolt 10 to form position fixing; when the outer cylinder section is installed, the transverse bolt 10 is pulled out, the inner cylinder section is axially assembled downwards, the final position is fixed by carrying out axial fine adjustment through the fine adjustment nut piece 12, and meanwhile, the two inner cylinder sections are assembled.
The position adjusting mechanism can be understood as a pre-installation fixing mechanism, namely, the inner cylinder section and the outer cylinder section are pre-installed when leaving a factory and are directly transported to a construction point for installation. After preassembling, the upper end part of the inner cylinder section at the same stage is higher than the upper end part of the outer cylinder section, and after installation, the inner cylinder section at the same stage displaces downwards to form that the splicing position of the inner cylinder section at the same stage is lower than that of the outer cylinder section.
As shown in fig. 6, two inner cylinders are arranged in the outer cylinder, and four position adjusting mechanisms are arranged at intervals in the circumferential direction on the outer wall of the inner cylinder section 2.
As shown in fig. 7, a shake stopping mechanism is provided between the outer cylindrical section 1 and the inner cylindrical section 2, and the shake stopping mechanism includes:
the limiting bracket 13, the said limiting bracket 13 is set up in the inboard wall of the outer shell ring 1;
and the buffer 14, wherein the buffer 14 is arranged between the outer wall of the inner shell ring 2 and the limiting bracket 13.
The inner shell ring is not easy to transversely rock when being hoisted through the shaking stopping mechanism, so that the installation difficulty is brought.
The shake stopping mechanisms are arranged between the outer cylindrical shell section 1 and the inner cylindrical shell section 2 at intervals according to the length of the cylindrical shell sections, and as shown in fig. 7, four shake stopping mechanisms are arranged on the outer wall of the inner cylindrical shell section at intervals in the circumferential direction.
Claims (9)
1. The utility model provides a flange joint self-reliance chimney in sleeve is established by inner tube and urceolus cover and is formed, the urceolus is formed by a plurality of outer shell ring (1) axial concatenation, the inner tube is formed by a plurality of interior shell ring (2) axial concatenations, its characterized in that: inner flanges (3) are respectively arranged on the inner walls of the splicing parts of the adjacent outer shell sections (1), and the splicing and fixing of the adjacent outer shell sections (1) are realized through the bolting of the adjacent inner flanges (3);
in the chimney structure, the splicing position of the inner cylinder section (2) at the same stage is lower than that of the outer cylinder section (1).
2. The sleeve inner flange connection self-standing chimney according to claim 1, wherein: the inner flange (3) is welded and fixed with the inner wall of the outer shell ring (1).
3. The sleeve inner flange connection self-standing chimney according to claim 1, wherein: the axial splicing part of the outer shell ring (1) is connected by adopting an inner flange, or the axial splicing part is connected by adopting an inner flange, and the axial splicing part is connected by adopting an outer flange.
4. The sleeve inner flange connection self-standing chimney according to claim 1, wherein: the inner wall of the outer barrel is provided with a ladder (401) from the barrel bottom to the barrel top, and operation platforms (402) are arranged below the flange connection part in the outer barrel section.
5. The sleeve inner flange connection self-standing chimney according to claim 4, wherein: the top of the inner wall of the outer shell ring (1) is connected with the outer wall of the inner shell ring (2) through a cover plate (5), and an access hole (6) is formed in the position, corresponding to the ladder stand (401), of the cover plate (5).
6. The sleeve inner flange connection self-standing chimney according to claim 1, wherein: be equipped with position control mechanism between outer shell ring (1) and inner shell ring (2), position control mechanism includes:
the bearing support (7), the said bearing support (7) locates the inboard wall of the outer shell ring (1);
the inner cylinder axial adjusting rod (8) is fixed on the outer wall of the inner cylinder, a pre-installation hole (801) is formed in the inner cylinder axial adjusting rod (8), an adjusting rod limiting piece (9) is arranged on the bearing support (7), a limiting hole (901) is formed in the adjusting rod limiting piece (9) at a position corresponding to the pre-installation hole (801), and the inner cylinder axial adjusting rod (8) and the adjusting rod limiting piece (9) are fixed in position by penetrating a transverse bolt (10) through the pre-installation hole (801) and the limiting hole (901);
axial fine tuning screw rod (11), axial fine tuning screw rod (11) are located on bearing support (7), inner tube axial adjusting rod (8) fixedly connected with fine tuning nut spare (12), fine tuning nut spare (12) cover is established on axial fine tuning screw rod (11), realizes inner tube festival axial fine setting through rotating axial fine tuning screw rod (11).
7. The sleeve inner flange connection self-standing chimney according to claim 6, wherein: the position adjusting mechanisms are arranged in a plurality of circumferential intervals between the outer cylinder section (1) and the inner cylinder section (2).
8. The sleeve inner flange connection self-standing chimney according to claim 1, wherein: be equipped with between outer shell ring (1) and inner tube festival (2) and shake the mechanism, shake the mechanism and include:
the limiting bracket (13), the limiting bracket (13) is arranged on the inner wall of the outer shell ring (1);
the buffer piece (14), buffer piece (14) are located between inner shell ring (2) outer wall and spacing support (13).
9. The sleeve inner flange connection self-standing chimney according to claim 8, wherein: the shake stopping mechanism is arranged between the outer cylinder section (1) and the inner cylinder section (2) in a plurality of circumferential and axial intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120207324.8U CN214659244U (en) | 2021-01-26 | 2021-01-26 | Flange connection self-supporting chimney in sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120207324.8U CN214659244U (en) | 2021-01-26 | 2021-01-26 | Flange connection self-supporting chimney in sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214659244U true CN214659244U (en) | 2021-11-09 |
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ID=78518853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120207324.8U Active CN214659244U (en) | 2021-01-26 | 2021-01-26 | Flange connection self-supporting chimney in sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214659244U (en) |
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2021
- 2021-01-26 CN CN202120207324.8U patent/CN214659244U/en active Active
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