CN216714030U - Non-self-supporting structure of chimney with large length-diameter ratio - Google Patents
Non-self-supporting structure of chimney with large length-diameter ratio Download PDFInfo
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- CN216714030U CN216714030U CN202123142919.9U CN202123142919U CN216714030U CN 216714030 U CN216714030 U CN 216714030U CN 202123142919 U CN202123142919 U CN 202123142919U CN 216714030 U CN216714030 U CN 216714030U
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- chimney
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- connecting rod
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- supporting structure
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Abstract
The utility model provides a non-self-supporting structure of a chimney with a large length-diameter ratio, which comprises a chimney body, a supporting body and a connecting assembly, wherein the connecting assembly comprises a fixing ring and a chimney connecting frame, the chimney connecting frame is fixedly connected with the chimney body, the chimney connecting frame comprises a # -shaped frame formed by two first connecting rods and two second connecting rods surrounding the side wall of the chimney body, the fixing ring is fixedly connected with two connecting seats, the connecting seats are provided with connecting grooves, the first connecting rods are inserted into the connecting grooves and fixedly connected through bolts, the height of the chimney body is higher than that of the supporting body, and a wind breaking ring is fixedly connected to the chimney body higher than the upper end of the supporting body. The non-self-supporting structure of the chimney with the large length-diameter ratio is used for connecting the chimney with the supporting body through the connecting component, effectively utilizes the rigidity of the supporting body near the chimney body, has the advantages of good rigidity, small vibration, low cost, simple structure and convenience in maintenance, and effectively improves the supporting strength and deflection requirements of the chimney.
Description
Technical Field
The utility model belongs to the field of chemical equipment, and particularly relates to a non-self-supporting structure of a chimney with a large length-diameter ratio.
Background
With the rapid development of the current coal chemical engineering project and the national attention on environmental protection, the height of the steel chimney is gradually increased. Because the length-diameter ratio of the chimney is generally larger, if the requirements of strength and rigidity under wind load and earthquake load are met, the requirements of the overall rigidity and the thickness of the body are higher, and the cost of the self-supporting chimney is generally higher.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to provide a non-self-supporting structure of a chimney with a large length-diameter ratio, so as to achieve coupled vibration of the chimney and a supporting body under external loads including wind loads, thereby reducing the self-vibration period of the chimney, avoiding wind load resonance, and reducing the stress level and top deflection of the chimney.
In order to achieve the purpose, the technical scheme of the utility model is realized as follows:
a non-self-supporting structure of a chimney with a large length-diameter ratio, which comprises a chimney body, a supporting body and a connecting component,
the connecting assembly is arranged between the chimney body and the supporting body and is used for connecting the chimney body and the supporting body together to form a combined structure and play a role of auxiliary support for the chimney body, a plurality of connecting assemblies are uniformly arranged along the height direction of the chimney body, each connecting assembly comprises a fixing ring and a chimney connecting frame, each chimney connecting frame comprises two first connecting rods and two second connecting rods which are detachably connected, and a # -shaped frame is enclosed by the side wall of the chimney body in a surrounding manner, in order to ensure that the chimney connecting frame is matched with the chimney body, the first connecting rods and the second connecting rods are both kept at a distance of 2mm from the side wall of the chimney body, the chimney connecting frame is made of channel steel with enough strength and rigidity, and proper and economic layer number and distance are selected according to the height of the chimney body,
the fixing ring is fixedly connected with two connecting seats, the connecting seats and the first connecting rods are arranged in a one-to-one correspondence manner, connecting grooves are arranged on the connecting seats, the side walls of the connecting grooves are provided with connecting holes, the first connecting rods are inserted into the connecting grooves on the connecting seats in a one-to-one correspondence manner, mounting holes are arranged on the first connecting rods inserted into the connecting grooves, bolts penetrate through the connecting holes on the connecting grooves and the mounting holes on the first connecting rods to fixedly connect the first connecting rods with the connecting seats, the chimney connecting frame and the fixing ring are detachably connected, so that the chimney connecting frame is convenient to mount or maintain,
the height of the chimney body is higher than that of the supporting body, the chimney body higher than the upper end of the supporting body is fixedly connected with the wind breaking ring, the wind breaking ring is formed by a certain number of steel plates in a spiral mode along the outer portion of the chimney body, and the number and the thread pitch meet the requirement of deflection under wind load.
Furthermore, a third connecting rod is fixedly connected between the two fixing seats, a second connecting rod close to the fixing ring is fixedly connected with the third connecting rod through a screw rod, two ends of the third connecting rod are respectively in threaded connection with nuts, the tensioning degree of the third connecting rod and the second connecting rod can be adjusted through adjusting the tightness of the nuts, the connecting strength of the fixing ring and the chimney connecting frame is increased, and the torsion resistance and the deformation resistance are improved.
Further, be equipped with the enhancement connecting rod between first connecting rod and the solid fixed ring, set firmly the enhancement base respectively on first connecting rod lower extreme and the solid fixed ring, strengthen the base and be the U type, the both ends of strengthening the connecting rod pass through bolt rigid coupling with two enhancement bases respectively.
Furthermore, the bottom of the chimney body is provided with a supporting base, the supporting body is fixedly connected with the ground through the supporting base, the supporting base is used for limiting the chimney in the initial installation stage and has enough limiting effect when slightly shaking, the supporting base comprises an annular plate, a cover plate and a rib plate, the rib plate is fixedly connected with the annular plate and the cover plate respectively, bolt holes are formed in the annular plate and the cover plate respectively, and anchor bolts penetrate through the bolt holes in the annular plate and the cover plate to be connected with the ground so that the supporting base is fixed with the ground.
Furthermore, a silencer is arranged at the upper end of the chimney body.
Compared with the prior art, the non-self-supporting structure of the chimney with the large length-diameter ratio has the following advantages:
the non-self-supporting structure of the chimney with the large length-diameter ratio is used for connecting the chimney with the supporting body through the connecting component, effectively utilizes the rigidity of the supporting body near the chimney body, has the advantages of good rigidity, small vibration, low cost, simple structure and convenience in maintenance, and effectively improves the supporting strength and deflection requirements of the chimney.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic structural view of a non-self-supporting structure of a large aspect ratio chimney according to an embodiment of the present invention;
fig. 2 is a schematic top view of a connecting assembly according to an embodiment of the present invention;
fig. 3 is a schematic front view of a connecting assembly according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional structural view of a supporting base according to an embodiment of the present invention.
Description of reference numerals:
1. a chimney body; 2. a support body; 3. a connecting assembly; 4. a fixing ring; 5. a first link; 6. a second link; 7. a connecting seat; 8. a wind breaking ring; 9. a third link; 10. a screw; 11. a reinforcing connecting rod; 12. a reinforcing base; 13. a support base; 14. an annular plate; 15. a cover plate; 16. a rib plate; 17. a muffler.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The non-self-supporting structure of the chimney with the large length-diameter ratio comprises a chimney body 1, a supporting body 2 and a connecting component 3,
the connecting component 3 is uniformly provided with a plurality of connecting components along the height direction of the chimney body 1, each connecting component 3 comprises a fixing ring 4 and a chimney connecting frame, each chimney connecting frame comprises two first connecting rods 5 and two second connecting rods 6 which are detachably connected through bolts, the two first connecting rods 5 and the two second connecting rods 6 surround the side wall of the chimney body 1 to form a # -shaped frame, the first connecting rods 5 and the second connecting rods 6 are respectively kept at a distance of 2mm from the side wall of the chimney body 1, the fixing ring 4 is fixedly connected with two connecting seats 7, the connecting seats 7 and the first connecting rods 5 are arranged in a one-to-one correspondence manner, the connecting seats 7 are provided with connecting grooves, the side walls of the connecting grooves are provided with connecting holes, the first connecting rods 5 are inserted into the connecting grooves on the connecting seats 7 in a one-to-one correspondence manner, the first connecting rods 5 are fixedly connected with the connecting seats 7 by the bolts penetrating through the connecting holes on the connecting grooves and the first connecting rods 5, the height of the chimney body 1 is higher than that of the supporting body 2, a wind breaking ring 8 is fixedly connected on the chimney body 1 which is higher than the upper end of the supporting body 2, the wind breaking ring 8 is spirally wound by a certain number of steel plates along the outer part of the chimney body 1, the number and the thread pitch meet the deflection requirement under wind load, a silencer 17 is arranged at the upper end of the chimney body 1, a third connecting rod 9 is fixedly connected between two fixing seats, a second connecting rod 6 and a third connecting rod 9 which are close to the fixing ring 4 are fixedly connected through a screw rod 10, two ends of the third connecting rod 9 are respectively in threaded connection with nuts, the first connecting rod 5, the second connecting rod 6 and the third connecting rod 9 are respectively channel steel, the nuts at two ends of the third connecting rod 9 are respectively arranged in channel steel grooves of the second connecting rod 6 and the third connecting rod 9, a reinforcing connecting rod 11 is arranged between the first connecting rod 5 and the fixing ring 4, and reinforcing bases 12 are respectively fixedly arranged at the lower end of the first connecting rod 5 and the fixing ring 4, the reinforcing base 12 is U-shaped, and two ends of the reinforcing connecting rod 11 are fixedly connected with the two reinforcing bases 12 through bolts respectively.
The construction process of the non-self-supporting structure of the chimney with the large length-diameter ratio is roughly as follows:
firstly, sequentially hoisting the fixing rings 4 to the specified height positions of the support body 2, wherein the support body 2 in the embodiment is a tower, and installing the fixing rings 4 on the tower through bolts;
then, forming a chimney fixing frame with an opening at one side by two first connecting rods 5 and one second connecting rod 6 through bolts, respectively connecting and fixing the two first connecting rods 5 with a connecting seat 7 on a fixing ring 4, then penetrating two ends of a third connecting rod 9 through holes in the second connecting rod 6 and the first connecting rod 5, and respectively installing nuts at two ends to complete the fixed connection of the fixing ring 4 and the chimney fixing frame;
then, hoisting the chimney body 1, aligning the opening of the chimney connecting frame from the outer side, hoisting the chimney body 1 to a specified position, and then fixedly connecting the other second connecting rod 6 with the two first connecting rods 5 through bolts to complete the connection of the chimney connecting frame and the chimney body 1;
finally, the two ends of the reinforcing connecting rod 11 are respectively fixedly connected with the first connecting rod 5 and the reinforcing base 12 on the fixing ring 4, and the installation of the reinforcing connecting rod 11 is completed.
Furthermore, a supporting base 13 is arranged at the bottom of the chimney body 1, the supporting body 2 is fixedly connected with the ground through the supporting base 13, the supporting base 13 is used for limiting the chimney in the initial installation stage and has enough limiting effect when slightly shaking, the supporting base 13 comprises an annular plate 14, a cover plate 15 and a rib plate 16, the rib plate 16 is fixedly connected with the annular plate 14 and the cover plate 15 vertically, bolt holes are respectively formed in the annular plate 14 and the cover plate 15, and anchor bolts penetrate through the bolt holes in the annular plate 14 and the cover plate 15 to be connected with the ground so that the supporting base 13 is fixed with the ground.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A non-self-supporting structure of a chimney with a large length-diameter ratio is characterized in that: comprises a chimney body, a supporting body and a connecting component,
the connecting assembly is arranged between the chimney body and the supporting body, a plurality of connecting assemblies are uniformly arranged along the height direction of the chimney body, the connecting assembly comprises a fixing ring and a chimney connecting frame, the chimney connecting frame is fixedly connected with the chimney body, the chimney connecting frame comprises a # -shaped frame formed by two first connecting rods and two second connecting rods surrounding the side wall of the chimney body,
the fixing ring is fixedly connected with two connecting seats, the connecting seats and the first connecting rods are arranged in a one-to-one correspondence manner, connecting grooves are arranged on the connecting seats, connecting holes are arranged on the side walls of the connecting grooves, the first connecting rods are inserted into the connecting grooves and fixedly connected through bolts,
the height of the chimney body is higher than that of the supporting body, and a wind breaking ring is fixedly connected to the chimney body higher than the upper end of the supporting body.
2. The non-self supporting structure of claim 1, wherein: a third connecting rod is fixedly connected between the two fixing seats, and a second connecting rod close to the fixing ring is fixedly connected with the third connecting rod through a screw rod.
3. The non-self supporting structure of claim 1, wherein: be equipped with the enhancement connecting rod between first connecting rod and the solid fixed ring, set firmly respectively on first connecting rod lower extreme and the solid fixed ring and strengthen the base, the both ends of strengthening the connecting rod respectively with two enhancement base rigid couplings.
4. The non-self supporting structure of claim 1, wherein: the first connecting rod and the second connecting rod are both channel steel.
5. The non-self supporting structure of claim 1, wherein: the chimney support structure is characterized in that a support base is arranged at the bottom of the chimney body and comprises an annular plate, a cover plate and rib plates, the rib plates are respectively and vertically fixedly connected with the annular plate and the cover plate, and bolt holes are respectively formed in the annular plate and the cover plate.
6. The non-self supporting structure of claim 1, wherein: and a silencer is arranged at the upper end of the chimney body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123142919.9U CN216714030U (en) | 2021-12-14 | 2021-12-14 | Non-self-supporting structure of chimney with large length-diameter ratio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123142919.9U CN216714030U (en) | 2021-12-14 | 2021-12-14 | Non-self-supporting structure of chimney with large length-diameter ratio |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216714030U true CN216714030U (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123142919.9U Active CN216714030U (en) | 2021-12-14 | 2021-12-14 | Non-self-supporting structure of chimney with large length-diameter ratio |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216714030U (en) |
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2021
- 2021-12-14 CN CN202123142919.9U patent/CN216714030U/en active Active
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