CN210179659U - Flue and chimney connection sealing device - Google Patents
Flue and chimney connection sealing device Download PDFInfo
- Publication number
- CN210179659U CN210179659U CN201920286210.XU CN201920286210U CN210179659U CN 210179659 U CN210179659 U CN 210179659U CN 201920286210 U CN201920286210 U CN 201920286210U CN 210179659 U CN210179659 U CN 210179659U
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- flue
- chimney
- outer flue
- reducing section
- barrel
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Abstract
The utility model discloses a flue and chimney connection sealing device, including the chimney urceolus, the chimney inner tube, the flue, outer flue sealing system, chimney urceolus and chimney inner tube are concentric or eccentric drum, the chimney urceolus is outside the chimney inner tube, outer flue and chimney inner tube connection, outer flue wing ring is connected and is kept away from chimney inner tube one side at outer flue, the outer flue undergauge steel back that two angle steel stationary semi-ring and stiffening plate are constituteed is connected with outer flue wing ring through hoop tightening bolt, the other side angle steel back is established and is constituteed outer flue reducing section at the stiffening plate of stationary semi-ring tip through horizontal tightening bolted connection, the flue passes outer flue reducing section and outer flue and chimney inner tube intercommunication in proper order, reserve certain space between outer flue reducing section and the flue, be used for filling high temperature resistant sealing material. The device can effectively prevent the horizontal thrust of the flue from being transmitted to the inner cylinder of the chimney, reduce the risk of leakage of the flue gas and improve the safety.
Description
Technical Field
The utility model relates to a connecting device of flue and chimney, specifically speaking relate to a sealing device is connected with chimney inner tube to horizontal flue.
Background
At present, sleeve or multi-tube chimneys are commonly used in thermal power plants and petrochemical enterprises, and the chimneys mainly have the function of discharging harmful flue gas into high altitude meeting the environmental protection requirement, wherein the harmful flue gas firstly enters the sleeve or the smoke tube of the chimney through a horizontal flue and then is discharged into the atmosphere through the top end of an inner barrel arranged from bottom to top. The common connection method of the horizontal flue and the chimney inner cylinder comprises the following steps: one method is that the flue is directly inserted into the inner barrel, and the method can meet the use requirement, but has the following risks: if the gap between the flue and the inner cylinder is not tightly closed, a small amount of flue gas leakage can be generated under extreme conditions, and the local temperature between the inner cylinder and the outer cylinder of the chimney is overhigh. The other method is a mode that the flue is directly welded and fixed with the inner cylinder, and the method has the defects that the horizontal thrust of the flue can generate large external force at the joint, and stress concentration can be generated under extreme conditions to cause the joint to crack, so that the risk of flue gas leakage accidents is generated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flue and the sealing device that is connected of chimney inner tube (pipe) increase sealing device on the chimney inner tube, both can effectively avoid the horizontal thrust of flue to pass to the chimney inner tube, can reduce the risk that the flue gas leaked again.
In order to solve the technical problem, the utility model discloses a technical scheme is:
the utility model provides a flue and chimney inner tube be connected sealing device, includes chimney urceolus, chimney inner tube, flue and outer flue sealing system, its characterized in that: the outer flue sealing system consists of an outer flue, an outer flue wing ring, an annular tightening bolt, an outer flue reducing section, a horizontal tightening bolt and a high-temperature-resistant sealing material; the outer flue reducing section consists of two angle steel fixed semi-rings and a stiffening plate; the outer chimney barrel and the inner chimney barrel are concentric or eccentric barrels, the outer chimney barrel is arranged outside the inner chimney barrel, the outer flue is connected with the inner chimney barrel, and the wing ring of the outer flue is connected to one side of the outer flue, which is far away from the inner chimney barrel; the angle steel back at one side of the outer flue reducing hole is connected with the wing ring of the outer flue through an annular tightening bolt, the angle steel back at the other side of the outer flue reducing hole is connected with a stiffening plate arranged at the end part of the fixed semi-ring through a horizontal tightening bolt to form an outer flue reducing section, and the flue sequentially penetrates through the outer flue reducing section and the outer flue to be communicated with the inner barrel of the chimney.
The utility model relates to a sealing device is connected with chimney to flue, its further characterized in that: the inner shapes of the outer flue reducing section and the outer flue are the same as the flue.
The utility model relates to a sealing device is connected with chimney to flue, its further characterized in that: a certain gap is reserved between the outer flue reducing section and the flue, the distance between the outer flue reducing section and the flue is not less than 20mm, preferably 20-50 mm, and the outer flue reducing section and the flue are used for filling high-temperature-resistant sealing materials.
The utility model relates to a sealing device is connected with chimney to flue, its further characterized in that: the flue is freely connected with the chimney inner cylinder and the chimney outer cylinder.
The utility model relates to a sealing device is connected with chimney to flue, its further characterized in that: the flue is freely connected with the outer flue sealing system.
The utility model relates to a sealing device is connected with chimney to flue, its further characterized in that: the inner shapes of the outer flue reducing section and the outer flue are the same as the flue.
The utility model relates to a sealing device is connected with chimney to flue, its further characterized in that: and the outer flue wing ring is connected with the outer wall of the straight section of the outer flue, which is far away from one side of the inner cylinder of the chimney, and is preferably welded.
The utility model relates to a sealing device is connected with chimney to flue, its further characterized in that: and after high-temperature-resistant sealing materials are filled between the outer flue reducing section and the outer flue wing ring, the outer flue reducing section and the outer flue wing ring are connected through a plurality of annular tightening bolts.
The utility model relates to a sealing device is connected with chimney to flue, its further characterized in that: the flue and the outer flue are horizontal flues, and the length of the outer flue is 50-500 mm, preferably 100-300 mm.
The utility model has the advantages that:
compared with the prior art, the utility model discloses a flue and chimney connection sealing device owing to set up outer flue sealing system, and flue and outer flue sealing system be free connection for the horizontal thrust of flue can freely release, and the horizontal thrust that can effectively avoid the flue like this passes to the chimney inner tube, because sealing device can reduce the possibility that the flue gas leaked again, has improved the degree of safety.
The present invention will be described in further detail with reference to the drawings and the detailed description, which should not be construed as limiting the scope of the invention.
Drawings
FIG. 1 is a top view of a flue and chimney connection sealing device of the present invention;
FIG. 2 is a front view of a flue and chimney connection sealing device of the present invention;
fig. 3 is a sectional view of a reducing section sealing structure a-a of the flue and the outer flue of fig. 1.
The reference symbols shown in the figures are:
the method comprises the following steps of 1-chimney outer cylinder, 2-chimney inner cylinder, 3-flue, 4-outer flue, 5-outer flue wing ring, 6-annular tightening bolt, 7-outer flue reducing section, 8 horizontal tightening bolt, 9-high temperature resistant sealing material, 10-two angle steel fixing semi-rings and 11-stiffening plate.
Detailed Description
The present invention will be further described with reference to fig. 1, fig. 2 and fig. 3.
Example 1
A connecting and sealing device for a flue and a chimney inner cylinder comprises a chimney outer cylinder 1, a chimney inner cylinder 2, a flue 3 and an outer flue sealing system. The outer flue sealing system comprises an outer flue 4, an outer flue wing ring 5, a circumferential tightening bolt 6, an outer flue reducing section 7 consisting of two angle steel fixing semi-rings 10 and a stiffening plate 11, a horizontal tightening bolt 8 and a high-temperature-resistant sealing material 9, wherein the outer chimney barrel 1 and the inner chimney barrel 2 are concentric or eccentric cylinders, the outer chimney barrel 1 is arranged outside the inner chimney barrel 2, the outer flue 4 is connected with the inner chimney barrel 2, the outer flue wing ring 5 is connected with one side of the outer flue, which is far away from the inner chimney barrel, one side of the outer flue reducing section 7 consisting of the two angle steel fixing semi-rings 10 and the stiffening plate 11 is connected with the outer flue wing ring 5 through the circumferential tightening bolt 6, the other side of the angle steel back is connected with the stiffening plate 11 arranged at the end part of the fixing semi-ring 10 through the horizontal tightening bolt 8 to form the outer flue reducing section 7, and the outer flue 3 sequentially passes through the outer flue reducing section 7 and the, high-temperature-resistant sealing materials are filled between the outer flue reducing section 7 and the flue 3 for plugging, the flue 3 is freely connected with the inner barrel 2 of the chimney and the outer barrel 1 of the chimney, the flue 3 is freely connected with an outer flue sealing system, the inner shapes of the outer flue reducing section 7 and the outer flue 4 are the same as those of the flue, the distance between the outer flue reducing section 7 and the flue 3 is 25mm, the flue 3 and the outer flue 4 are horizontal flues, and the length of the outer flue is 150 mm.
Example 2
A connecting and sealing device for a flue and a chimney inner cylinder comprises a chimney outer cylinder 1, a chimney inner cylinder 2, a flue 3 and an outer flue sealing system. The outer flue sealing system comprises an outer flue 4, an outer flue wing ring 5, a circumferential tightening bolt 6, an outer flue reducing section 7 consisting of two angle steel fixing semi-rings 10 and a stiffening plate 11, a horizontal tightening bolt 8 and a high-temperature-resistant sealing material 9, wherein the outer chimney barrel 1 and the inner chimney barrel 2 are concentric or eccentric cylinders, the outer chimney barrel 1 is arranged outside the inner chimney barrel 2, the outer flue 4 is connected with the inner chimney barrel 2, the outer flue wing ring 5 is connected with one side of the outer flue, which is far away from the inner chimney barrel, one side of the outer flue reducing section 7 consisting of the two angle steel fixing semi-rings 10 and the stiffening plate 11 is connected with the outer flue wing ring 5 through the circumferential tightening bolt 6, the other side of the angle steel back is connected with the stiffening plate 11 arranged at the end part of the fixing semi-ring 10 through the horizontal tightening bolt 8 to form the outer flue reducing section 7, and the outer flue 3 sequentially passes through the outer flue reducing section 7 and the, high-temperature-resistant sealing materials are filled between the outer flue reducing section 7 and the flue 3 for plugging, the flue 3 is freely connected with the inner barrel 2 of the chimney and the outer barrel 1 of the chimney, the flue 3 is freely connected with an outer flue sealing system, the inner shapes of the outer flue reducing section 7 and the outer flue 4 are the same as those of the flue, the distance between the outer flue reducing section 7 and the flue 3 is 35mm, the flue 3 and the outer flue 4 are horizontal flues, and the length of the outer flue is 250 mm.
Example 3
A connecting and sealing device for a flue and a chimney inner cylinder comprises a chimney outer cylinder 1, a chimney inner cylinder 2, a flue 3 and an outer flue sealing system. The outer flue sealing system comprises an outer flue 4, an outer flue wing ring 5, a circumferential tightening bolt 6, an outer flue reducing section 7 consisting of two angle steel fixing semi-rings 10 and a stiffening plate 11, a horizontal tightening bolt 8 and a high-temperature-resistant sealing material 9, wherein the outer chimney barrel 1 and the inner chimney barrel 2 are concentric or eccentric cylinders, the outer chimney barrel 1 is arranged outside the inner chimney barrel 2, the outer flue 4 is connected with the inner chimney barrel 2, the outer flue wing ring 5 is connected with one side of the outer flue, which is far away from the inner chimney barrel, one side of the outer flue reducing section 7 consisting of the two angle steel fixing semi-rings 10 and the stiffening plate 11 is connected with the outer flue wing ring 5 through the circumferential tightening bolt 6, the other side of the angle steel back is connected with the stiffening plate 11 arranged at the end part of the fixing semi-ring 10 through the horizontal tightening bolt 8 to form the outer flue reducing section 7, and the outer flue 3 sequentially passes through the outer flue reducing section 7 and the, high-temperature-resistant sealing materials are filled between the outer flue reducing section 7 and the flue 3 for plugging, the flue 3 is freely connected with the inner barrel 2 of the chimney and the outer barrel 1 of the chimney, the flue 3 is freely connected with an outer flue sealing system, the inner shapes of the outer flue reducing section 7 and the outer flue 4 are the same as those of the flue, the distance between the outer flue reducing section 7 and the flue 3 is 45mm, the flue 3 and the outer flue 4 are horizontal flues, and the length of the outer flue is 300 mm.
Example 4
A connecting and sealing device for a flue and a chimney inner cylinder comprises a chimney outer cylinder 1, a chimney inner cylinder 2, a flue 3 and an outer flue sealing system. The outer flue sealing system comprises an outer flue 4, an outer flue wing ring 5, a circumferential tightening bolt 6, an outer flue reducing section 7 consisting of two angle steel fixing semi-rings 10 and a stiffening plate 11, a horizontal tightening bolt 8 and a high-temperature-resistant sealing material 9, wherein the outer chimney barrel 1 and the inner chimney barrel 2 are concentric or eccentric cylinders, the outer chimney barrel 1 is arranged outside the inner chimney barrel 2, the outer flue 4 is connected with the inner chimney barrel 2, the outer flue wing ring 5 is connected with one side of the outer flue, which is far away from the inner chimney barrel, one side of the outer flue reducing section 7 consisting of the two angle steel fixing semi-rings 10 and the stiffening plate 11 is connected with the outer flue wing ring 5 through the circumferential tightening bolt 6, the other side of the angle steel back is connected with the stiffening plate 11 arranged at the end part of the fixing semi-ring 10 through the horizontal tightening bolt 8 to form the outer flue reducing section 7, and the outer flue 3 sequentially passes through the outer flue reducing section 7 and the, high-temperature-resistant sealing materials are filled between the outer flue reducing section 7 and the flue 3 for plugging, the flue 3 is freely connected with the inner barrel 2 of the chimney and the outer barrel 1 of the chimney, the flue 3 is freely connected with an outer flue sealing system, the inner shapes of the outer flue reducing section 7 and the outer flue 4 are the same as those of the flue, the distance between the outer flue reducing section 7 and the flue 3 is 40mm, the flue 3 and the outer flue 4 are horizontal flues, and the length of the outer flue is 400 mm.
Example 5
A connecting and sealing device for a flue and a chimney inner cylinder comprises a chimney outer cylinder 1, a chimney inner cylinder 2, a flue 3 and an outer flue sealing system. The outer flue sealing system comprises an outer flue 4, an outer flue wing ring 5, a circumferential tightening bolt 6, an outer flue reducing section 7 consisting of two angle steel fixing semi-rings 10 and a stiffening plate 11, a horizontal tightening bolt 8 and a high-temperature-resistant sealing material 9, wherein the outer chimney barrel 1 and the inner chimney barrel 2 are concentric or eccentric cylinders, the outer chimney barrel 1 is arranged outside the inner chimney barrel 2, the outer flue 4 is connected with the inner chimney barrel 2, the outer flue wing ring 5 is connected with one side of the outer flue, which is far away from the inner chimney barrel, one side of the outer flue reducing section 7 consisting of the two angle steel fixing semi-rings 10 and the stiffening plate 11 is connected with the outer flue wing ring 5 through the circumferential tightening bolt 6, the other side of the angle steel back is connected with the stiffening plate 11 arranged at the end part of the fixing semi-ring 10 through the horizontal tightening bolt 8 to form the outer flue reducing section 7, and the outer flue 3 sequentially passes through the outer flue reducing section 7 and the, high-temperature-resistant sealing materials are filled between the outer flue reducing section 7 and the flue 3 for plugging, the flue 3 is freely connected with the inner barrel 2 of the chimney and the outer barrel 1 of the chimney, the flue 3 is freely connected with an outer flue sealing system, the inner shapes of the outer flue reducing section 7 and the outer flue 4 are the same as those of the flue, the distance between the outer flue reducing section 7 and the flue 3 is 20mm, the flue 3 and the outer flue 4 are horizontal flues, and the length of the outer flue is 200 mm.
Claims (8)
1. The utility model provides a flue and chimney connection sealing device, includes chimney urceolus, chimney inner tube, flue and outer flue sealing system, its characterized in that: the outer flue sealing system consists of an outer flue, an outer flue wing ring, an annular tightening bolt, an outer flue reducing section, a horizontal tightening bolt and a high-temperature-resistant sealing material; the outer flue reducing section consists of two angle steel fixed semi-rings and a stiffening plate; the outer chimney barrel and the inner chimney barrel are concentric or eccentric barrels, the outer chimney barrel is arranged outside the inner chimney barrel, the outer flue is connected with the inner chimney barrel, and the wing ring of the outer flue is connected to one side of the outer flue, which is far away from the inner chimney barrel; the angle steel back at one side of the outer flue reducing hole is connected with the outer flue wing ring through an annular tightening bolt, the angle steel back at the other side of the outer flue reducing hole is connected with a stiffening plate arranged at the end part of the fixed semi-ring through a horizontal tightening bolt to form an outer flue reducing section, and the flue sequentially penetrates through the outer flue reducing section and the outer flue to be communicated with the inner barrel of the chimney.
2. The flue and chimney connection sealing device according to claim 1, characterized in that: the flue is freely connected with the chimney inner cylinder and the chimney outer cylinder.
3. The flue and chimney connection sealing device according to claim 1, characterized in that: the flue is freely connected with the outer flue sealing system.
4. The flue and chimney connection sealing device according to claim 1, characterized in that: the inner shapes of the outer flue reducing section and the outer flue are the same as the flue, and the distance between the outer flue reducing section and the flue is not less than 20 mm.
5. The flue and chimney connection sealing device according to claim 4, characterized in that: the distance between the outer flue reducing section and the flue is 20-50 mm.
6. The flue and chimney connection sealing device according to claim 1, characterized in that: the outer flue wing ring is connected with the outer wall of the straight section of the outer flue, which is far away from one side of the inner cylinder of the chimney.
7. The flue and chimney connection sealing device according to claim 1, characterized in that: and after a high-temperature-resistant sealing material is filled between the outer flue reducing section and the outer flue wing ring, the outer flue reducing section and the outer flue wing ring are connected through the arranged annular tightening bolt.
8. The flue and chimney connection sealing device according to claim 1, characterized in that: the flue and the outer flue are horizontal flues, and the length of the outer flue is 50-500 mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920286210.XU CN210179659U (en) | 2019-03-07 | 2019-03-07 | Flue and chimney connection sealing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920286210.XU CN210179659U (en) | 2019-03-07 | 2019-03-07 | Flue and chimney connection sealing device |
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CN210179659U true CN210179659U (en) | 2020-03-24 |
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CN201920286210.XU Active CN210179659U (en) | 2019-03-07 | 2019-03-07 | Flue and chimney connection sealing device |
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2019
- 2019-03-07 CN CN201920286210.XU patent/CN210179659U/en active Active
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