CN203162915U - Suspension type boiler frame - Google Patents
Suspension type boiler frame Download PDFInfo
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- CN203162915U CN203162915U CN 201320137188 CN201320137188U CN203162915U CN 203162915 U CN203162915 U CN 203162915U CN 201320137188 CN201320137188 CN 201320137188 CN 201320137188 U CN201320137188 U CN 201320137188U CN 203162915 U CN203162915 U CN 203162915U
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- buckling
- boiler grate
- vertical
- boiler
- suspended
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Abstract
The utility model discloses a suspension type boiler frame. The suspension type boiler frame comprises stand columns, rigid beams, a main board beam system and buckling restrained braces, wherein the rigid beams are perpendicular to the stand columns and are connected with the stand columns to form longitudinal framework structures and transverse framework structures, the main board beam system is located above the transverse framework structures and used for suspending a boiler body, and the buckling restrained braces are arranged in longitudinal framework structure planes and/or transverse framework structure planes of the suspension type boiler frame. The suspension type boiler frame has good shock resistance performance in the longitudinal direction and in the transverse direction, the boiler framework is high in construction speed, and total manufacturing cost is low.
Description
Technical field
The utility model relates to the thermal power generating technology field, is specifically related to a kind of suspended boiler grate.
Background technology
Boiler, the heat energy that utilizes coal burning to discharge adds hot water, produces the equipment of the steam of regulation parameter (temperature, pressure), is one of capital equipment of thermal power plant, and π shape stove and tower-type furnace are generally arranged.The boiler grate is one of the core building in thermal power plant, be used for supporting pot furnace body and auxiliary equipment structure stand, also can be called the boiler room.
Thermal power plant steel construction boiler grate belongs to the heavy duty industrial structure, loads such as dead load and boiler body, equipment are all very big, to more than the tons up to ten thousand, the suspension column horizontal force that earthquake load produces can reach more than the hundreds of ton suspension column vertical force internal force of single pillar in several kilotons.Large-size thermal power plant steel construction boiler grate adopts the support frame structure form in the high-intensity earthquake area more, and this rigidity of structure is by post, vertical and horizontal beam, form to vertical support in length and breadth, and main lateral resistant member is the vertical, horizontal vertical support.The horizontal force that earthquake load produces passes to vertical support by beam, post, is passed to architecture basics by vertical support.Structure all produces bigger horizontal force at both direction in length and breadth under seismic force effects, and is bigger at high earthquake intensity area earthquake horizontal force.General steel frame or support frame structure need adopt and increase the framing component cross section, increase the vertical support cross section.The rigidity of structure becomes big after increasing member section, and the structural internal force that produces under earthquake load also can become greatly, will bring very big difficulty to the Aseismic Design of structure like this, and increases cost.The vertical support of steel construction boiler grate all adopts welding or rolling ordinary steel structural elements at present.The bearing capacity that ordinary steel supports generally is that the monolithic stability bearing capacity is controlled rather than controlled by surrender bearing capacity (intensity).The stability bearing capacity that ordinary steel supports often has only 1/2 of surrender bearing capacity, even lower.
Therefore, this area presses for and researches and develops a kind of have good seismic resistance, the boiler grate that construction costs is low.
The utility model content
The purpose of this utility model provides a kind of suspended boiler grate.This boiler grate not only has good seismic resistance along longitudinal and transverse direction, and the grate speed of application is fast, and total cost is low.
Suspended boiler grate of the present utility model comprises:
Column;
Buckstay, described buckstay is vertical with described column, and is connected to form the vertical and horizontal frame structure with described column;
Big plate-girder system, described big plate-girder system is positioned on the described transverse frame structure, is used for the suspention boiler body; With
Buckling-restrained support, described buckling-restrained support are arranged in the vertical and/or transverse frame structural plan of boiler grate.
In another preference, in the longitudinal framing structure plane of part or all of described boiler grate, be provided with buckling-restrained support.
In another preference, in the transverse frame structural plan of part or all of described boiler grate, be provided with buckling-restrained support.
In another preference, described vertically and/or in the transverse frame structural plan continuously or part be provided with buckling-restrained support.
In another preference, described buckling-restrained support is connected with vertical and/or transverse frame structural plan with hinging manner.
In another preference, described boiler grate comprises that also described horizontal limiting and guiding device is arranged on the described buckstay be used to preventing boiler body translation in the horizontal direction and the horizontal limiting and guiding device of rotation.
In another preference, described horizontal limiting and guiding device is arranged at the absolute altitude place of described buckstay.
In another preference, described horizontal limiting and guiding device is guide type shoe.
In another preference, the described buckling-restrained set-up mode that is supported in the vertical or horizontal frame structure plane arranges for the arrangement of herringbone brace, V-arrangement brace system or the monocline bar is arranged.
In another preference, described big plate-girder system adopts the real abdomen girder steel of box-shaped superposed type or steel truss.
In another preference, described real abdomen girder steel is made by the steel plate welding.
In should be understood that in the utility model scope, above-mentioned each technical characterictic of the present utility model and can making up mutually between specifically described each technical characterictic in below (eg embodiment), thus constitute new or optimized technical scheme.As space is limited, this tired stating no longer one by one.
Description of drawings
Fig. 1 is that the utility model suspended boiler grate longitudinal profile is arranged schematic diagram.
Fig. 2 is the utility model suspended boiler grate schematic top plan view.
The specific embodiment
The inventor has developed a kind of suspended boiler grate that comprises column, buckstay, big plate-girder system and buckling-restrained support through research in depth.By in the vertical and/or horizontal frame structure plane of boiler grate structure, arranging buckling-restrained support, replaced traditional vertical support, not only make the boiler grate have good seismic resistance, and accelerated the speed of application of boiler grate, reduced the total cost of grate.On this basis, finished the utility model.
As used herein, described " longitudinal framing structure plane " or " fore-and-aft plane of frame structure " are used interchangeably, and refer in the described frame structure perpendicular to horizontal plane and plane that limited by Vierendeel girder and the frame column of building first direction such as length direction.Usually, the longitudinal framing structure plane is defined by 2 Vierendeel girders and 2 frame columns.
As used herein, described " transverse frame structural plan " or " transverse plane of frame structure " are used interchangeably, refer in the described frame structure perpendicular to horizontal plane and by the building second direction as the Vierendeel girder of short direction and the plane that frame column limits.Usually, the transverse frame structural plan is defined by 2 Vierendeel girders and 2 frame columns.
Should be understood that vertical and horizontal as herein described can exchange, there is no particular restriction.
As used herein, described " being provided with continuously " refers to nonseptate continuous distributed in the adjacent frame structural plan.
As used herein, described " buckling-restrained support " is a kind of vertical support for building structure.The center of this support is core, is complete buckling for avoiding the core pressurized, namely can both reach surrender when tension and pressurized, and core is placed in the steel sleeve, then concrete perfusion or mortar in sleeve pipe.This is supported with the bearing capacity height, the good characteristics of ductility and hysteresis performance under seismic force effects.
The suspended boiler grate
Suspended boiler grate of the present utility model comprises: column, and buckstay, big plate-girder system and buckling-restrained support, buckstay is vertical with column, and is connected to form the vertical and horizontal frame structure with column; Big plate-girder system is positioned on the transverse frame structure, is used for the suspention boiler body; Buckling-restrained support is arranged in the vertical and/or transverse frame structural plan of boiler grate.
In the vertical or horizontal frame structure plane of all or part of boiler grate, be provided with buckling-restrained support continuously or partly.Buckling-restrained support is connected with vertical and/or transverse frame structural plan with hinging manner.
Boiler grate of the present utility model comprises that also horizontal limiting and guiding device is arranged on the buckstay be used to preventing boiler body translation in the horizontal direction and the horizontal limiting and guiding device of rotation.Preferably, horizontal limiting and guiding device is arranged at the absolute altitude place of buckstay.Horizontal limiting and guiding device can be guide type shoe or damper, and the buckling-restrained set-up mode that is supported in the vertical or horizontal frame structure plane comprises that the herringbone brace is arranged, V-arrangement brace system is arranged or the monocline bar is arranged.Buckling-restrained supporting type, bearing capacity size, position, arrangement form are set determine by Structure Calculation.
Big plate-girder system of the present utility model adopts the real abdomen girder steel of box-shaped superposed type or steel truss.Real abdomen girder steel is made by the steel plate welding.
Suspended boiler grate of the present utility model has the following advantages:
1. the utility model adopts buckling-restrained support, has reduced the horizontal seismic force that the boiler grate produces under geological process, has optimized thermal power plant steel construction boiler grate design, has improved strcture safety, has saved steel.
2. adopt buckling-restrained support, reduced the weight of grate member, make the grate structure longitudinally, laterally have good seismic resistance, reduced construction costs.
3. boiler grate of the present utility model can be applicable to the high area of seismic fortification intensity.
The above-mentioned feature that the utility model is mentioned, or the feature that embodiment mentions can any combination.All features that this case specification discloses can with any composition forms and usefulness, each feature that discloses in the specification, the alternative characteristics that can anyly be provided identical, impartial or similar purpose replaces.Therefore except special instruction is arranged, the feature that discloses only is the general example of equalization or similar features.
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only are used for explanation the utility model and are not used in the scope of the present utility model that limits.The experimental technique of unreceipted actual conditions in the following example is usually according to normal condition or the condition of advising according to manufacturer.
Unless otherwise defined, employed all specialties are identical with the meaning that scientific words and one skilled in the art are familiar with in the literary composition.In addition, any method similar or impartial to described content and material all can be applicable in the utility model method.The usefulness that preferable implementation method described in the literary composition and material only present a demonstration.
Embodiment
As shown in Figure 1 and Figure 2, a kind of suspended boiler grate comprises: column 1, and buckstay 2, big plate-girder system 4 and buckling-restrained support 3, buckstay 2 is vertical with column 1, and is connected to form the vertical and horizontal frame structure with column 1; Big plate-girder system is positioned on column 1 and the buckstay 2 formed transverse frame structures, boiler body 6 is suspended under the big plate-girder system 1 by suspension rod 5, big plate-girder system 1 is the girder construction of the arranged crosswise of furnace roof, bears the boiler load that suspension rod 5 transmits, and forms the rigid layer of furnace roof.Buckling-restrained support 3 is arranged in the longitudinal framing structure plane of boiler grate continuously.
By this boiler grate is carried out force analysis, determined the cross section of column 1 and buckstay 2 to determine buckling-restrained supporting section by horizontal loading by vertical load.In construction, column 1 adopts bolted articulated form with being connected of buckstay 2.Process in steel construction processing factory with the connected node that supports on column, the buckstay, after beam column installed at the construction field (site), buckling-restrained support was connected with post, buckstay by bolt.
In longitudinal framing structure of the present utility model plane, first column 1-1 upper end and the 3rd column 1-3 lower end rigidly connect and are connected in one, and second column 1-2 upper end and the 4th column 1-4 lower end rigidly connect and be connected in one; The first buckstay 2-1, one end connects first column 1-1 upper end by articulated manner, the first buckstay 2-1 other end connects second column 1-2 upper end by articulated manner, the second buckstay 2-2, one end connects the 3rd column 1-3 upper end by articulated manner, and the second buckstay 2-2 other end connects the 4th column 1-4 upper end by articulated manner.
First buckling-restrained support 3-1 one end connects the first column 1-1 lower end, the first buckling-restrained support 3-1 other end connects the first buckstay 2-1 mid point, second buckling-restrained support 3-2 one end connects the second column 1-2 lower end, the second buckling-restrained support 3-2 other end connects the first buckstay 2-1 mid point, i.e. buckling-restrained support is circular array.
All quote in this application as a reference at all documents that the utility model is mentioned, just quoted as a reference separately as each piece document.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after having read above-mentioned instruction content of the present utility model, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Claims (9)
1. a suspended boiler grate is characterized in that, described grate comprises:
Column;
Buckstay, described buckstay is vertical with described column, and is connected to form the vertical and horizontal frame structure with described column;
Big plate-girder system, described big plate-girder system is positioned on the described transverse frame structure, is used for the suspention boiler body; With
Buckling-restrained support, described buckling-restrained support are arranged in the vertical and/or transverse frame structural plan of boiler grate.
2. suspended boiler grate according to claim 1 is characterized in that, is provided with buckling-restrained support in the longitudinal framing structure plane of part or all of described boiler grate.
3. suspended boiler grate according to claim 1 is characterized in that, is provided with buckling-restrained support in the transverse frame structural plan of part or all of described boiler grate.
4. suspended boiler grate according to claim 1 is characterized in that, described vertically and/or in the transverse frame structural plan continuously or part be provided with buckling-restrained support.
5. suspended boiler grate according to claim 1 is characterized in that, described buckling-restrained support is connected with vertical and/or transverse frame structural plan with hinging manner.
6. suspended boiler grate according to claim 1, it is characterized in that, described boiler grate comprises that also described horizontal limiting and guiding device is arranged on the described buckstay be used to preventing boiler body translation in the horizontal direction and the horizontal limiting and guiding device of rotation.
7. suspended boiler grate according to claim 1 is characterized in that, the described buckling-restrained set-up mode that is supported in the vertical or horizontal frame structure plane arranges for the arrangement of herringbone brace, V-arrangement brace system or the monocline bar is arranged.
8. suspended boiler grate according to claim 1 is characterized in that, described big plate-girder system adopts the real abdomen girder steel of box-shaped superposed type or steel truss.
9. suspended boiler grate according to claim 8 is characterized in that, described real abdomen girder steel is made by the steel plate welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320137188 CN203162915U (en) | 2013-03-22 | 2013-03-22 | Suspension type boiler frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320137188 CN203162915U (en) | 2013-03-22 | 2013-03-22 | Suspension type boiler frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203162915U true CN203162915U (en) | 2013-08-28 |
Family
ID=49024096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320137188 Expired - Lifetime CN203162915U (en) | 2013-03-22 | 2013-03-22 | Suspension type boiler frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203162915U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111465805A (en) * | 2017-10-16 | 2020-07-28 | 住友重机械福惠能源有限公司 | Boiler structure |
-
2013
- 2013-03-22 CN CN 201320137188 patent/CN203162915U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111465805A (en) * | 2017-10-16 | 2020-07-28 | 住友重机械福惠能源有限公司 | Boiler structure |
| US11209158B2 (en) | 2017-10-16 | 2021-12-28 | Sumitomo SHI FW Energia Oy | Boiler construction having a boiler pressure body support system |
| CN111465805B (en) * | 2017-10-16 | 2022-03-01 | 住友重机械福惠能源有限公司 | Boiler structure |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |