CN103759244A - Tail portion heating surface sealing supporting structure and industrial exhaust gas boiler - Google Patents
Tail portion heating surface sealing supporting structure and industrial exhaust gas boiler Download PDFInfo
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- CN103759244A CN103759244A CN201310749302.4A CN201310749302A CN103759244A CN 103759244 A CN103759244 A CN 103759244A CN 201310749302 A CN201310749302 A CN 201310749302A CN 103759244 A CN103759244 A CN 103759244A
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- supporting structure
- sealing
- burner hearth
- end surfaces
- support member
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Abstract
The invention belongs to the technical field of gas-fired boilers and discloses a tail portion heating surface sealing supporting structure. The tail portion heating surface sealing supporting structure comprises a smoke flue; a supporting part is arranged above the smoke flue through a top collecting box; an accommodating chamber is formed in the middle of the top collecting box; a sealed smoke flue is formed inside the accommodating chamber in a sleeve mode; the size of the accommodating chamber is larger than the outer size of the sealing smoke flue; the upper end of the sealing smoke flue is connected with the supporting part; the lower end of the sealing smoke flue is in sealing connection with the smoke flue opening through an expansion joint; a tail portion heating surface is connected above the supporting heating surface. The invention also discloses an industrial exhaust gas boiler comprising the tail portion heating surface sealing supporting structure. The tail portion heating surface sealing supporting structure enables the tail portion heating surface to be arranged above a boiler body, reduces floor space of the boiler and enables arrangement to be compact.
Description
Technical field
The invention belongs to gas fired-boiler technical field, particularly a kind of back-end surfaces sealing supporting structure and the industrial tail gas boiler with this structure.
Background technology
Current gas fired-boiler complex structure, its back-end surfaces is supported by outside steelframe, is arranged in the side of boiler body.Outside steelframe increases the floor space of whole boiler, and security system reduces.Flue side arrangement, makes the formation dead angle, top of burner hearth, top gas be not easy discharge.
In addition, because side flue is subject to high-temperature flue gas, wash away expansion, easily produce swelling stress, cause structural deterioration and support function to decline.
Summary of the invention
In order to solve the problems of the technologies described above, the industrial tail gas boiler that the invention provides a kind of back-end surfaces sealing supporting structure and have this structure, to by changing the arrangement of flue, improves sealing and the structural strength of boiler flue.
The technical scheme that the present invention takes is:
A kind of back-end surfaces sealing supporting structure, comprise floss hole, it is characterized in that, above described floss hole, by top header, a support member is set, in the middle of the header of described top, form an accommodating cavity, sheathed sealing flue in described accommodating cavity, the size of described accommodating cavity is greater than the outside dimension of described sealing flue, described sealing flue upper end is connected with support member, the lower end of described sealing flue and described floss hole are tightly connected by an expansion joint, and back-end surfaces is tightly connected above described support member.
Further, one end of described support member is fixedly connected with described top header, and the other end of described support member is flexibly connected with described top header.
Further, a chimney neck seal device is set between described floss hole and header, described chimney neck seal device is fixed on described support member, and described chimney neck seal device and described floss hole are tightly connected.
Further, the lower end of described chimney neck seal device is provided with expansion joint.
A kind of industrial tail gas boiler with above-mentioned back-end surfaces sealing supporting structure, comprise drum, burner hearth, it is characterized in that, described burner hearth is horizontal straight tube shape, first end at described burner hearth is provided with burner, above the second end of described burner hearth, described back-end surfaces sealing supporting structure is set, above described back-end surfaces sealing supporting structure, sets gradually economizer and air preheater.
Further, described drum is arranged on the top of described burner hearth.
Further, in described burner hearth, near described burner hearth the second end, superheater is installed.
Further, the cross section of described burner hearth is approximate parallelogram, and dual-side is perpendicular to horizontal plane, and upper bottom is horizontal by a positive angle.
The invention has the beneficial effects as follows:
(1) supporting construction of back-end surfaces makes back-end surfaces be arranged in the top of boiler body, has reduced the floor space of boiler, and apparatus arrangement is more smart gathers;
(2) good sealing effect of the hermetically-sealed construction of back-end surfaces, is not subject to the impact of its thermal expansion;
(3) thermal expansion of back-end ductwork is offset by active connection part and expansion joint.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of industrial tail gas boiler;
Accompanying drawing 2 is that the A of accompanying drawing 1 is to view;
Accompanying drawing 3 is back-end surfaces sealing supporting structure schematic diagrames.
Label in accompanying drawing is respectively:
1. burner hearth; 2. burner;
3. sealing supporting structure; 31. top headers;
33. sealing flues; 34. support members;
36. intermediate headers; 37. expansion joints;
38. back-end surfaces; 4. economizer;
5. air preheater; 6. drum;
7. superheater.
The specific embodiment
Below in conjunction with accompanying drawing, back-end surfaces sealing supporting structure of the present invention and the specific embodiment with the industrial tail gas boiler of this structure are elaborated.
Referring to accompanying drawing 1,2, industrial tail gas boiler is for utilization that industrial waste gas is burnt, and industrial tail gas boiler has the burner hearth 1 of a straight-tube shape, and the cross section of burner hearth 1 is approximate parallelogram shape, its dual-side is perpendicular to horizontal plane, and upper bottom is horizontal by an angle that is less than 30 degree.At the first end of burner hearth 1, one or two burner 2 is installed, the second end of burner hearth 1 is evaporator section, above the second end of burner hearth 1, back-end surfaces sealing supporting structure 3 is set, above back-end surfaces sealing supporting structure, sets gradually economizer 4 and air preheater 5.The second end of burner hearth 1 and back-end surfaces sealing supporting structure 3, economizer 4 and air preheater 5 form an exhanst gas outlet passage making progress.Air preheater 5 communicates with burner hearth 1 by pipeline.The drum 6 of boiler is arranged on burner hearth 1 near one jiao of the top of first end.In the interior side near burner hearth the second end of burner hearth 1, superheater 7 is installed.
Referring to accompanying drawing 3, back-end surfaces sealing supporting structure 3 is arranged on the floss hole top of the second end of burner hearth 1, above floss hole, be fixedly installed a support member 34, support member 34 is fixed on boiler body by top header 31, in the middle of top header 31, form an accommodating cavity, sheathed sealing flue 33 in accommodating cavity, the size of accommodating cavity is greater than the outside dimension of sealing flue 33, to reserve the swollen shape space of sealing flue 33, in sealing flue 33 upper ends, connect support member 34, support member 34 is connected to the top of sealing flue 33 with welding manner.When sealing flue 33 is set in accommodation space, support member 34 is flexibly connected in top header 31, the fixing stiff end that forms of a side of support member 34 and top header 31, and other side roof part header 31 forms and is freely flexibly connected, for movable end, movable end is for the thermal expansion of releasing sealed flue 33.The lower end of sealing flue 33 is provided with expansion joint 37, and the below of expansion joint 37 is by being tightly connected with intermediate header 36.Back-end surfaces 38 is tightly connected above support member 34.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. a back-end surfaces sealing supporting structure, comprise floss hole, it is characterized in that: above described floss hole, by top header, a support member is set, in the middle of the header of described top, form an accommodating cavity, sheathed sealing flue in described accommodating cavity, the size of described accommodating cavity is greater than the outside dimension of described sealing flue, described sealing flue upper end is connected with support member, the lower end of described sealing flue and described floss hole are tightly connected by an expansion joint, and back-end surfaces is tightly connected above described support member.
2. back-end surfaces sealing supporting structure according to claim 1, is characterized in that: one end of described support member is fixedly connected with described top header, and the other end of described support member is flexibly connected with described top header.
3. back-end surfaces sealing supporting structure according to claim 1, it is characterized in that: a chimney neck seal device is set between described floss hole and header, described chimney neck seal device is fixed on described support member, and described chimney neck seal device and described floss hole are tightly connected.
4. according to the back-end surfaces sealing supporting structure described in any one in claims 1 to 3, it is characterized in that: the lower end of described chimney neck seal device is provided with expansion joint.
5. an industrial tail gas boiler with the back-end surfaces sealing supporting structure as described in any one in claim 1 to 4, comprise drum, burner hearth, it is characterized in that: described burner hearth is horizontal straight tube shape, first end at described burner hearth is provided with burner, above the second end of described burner hearth, described back-end surfaces sealing supporting structure is set, above described back-end surfaces sealing supporting structure, sets gradually economizer and air preheater.
6. industrial tail gas boiler according to claim 5, is characterized in that: described drum is arranged on the top of described burner hearth.
7. industrial tail gas boiler according to claim 5, is characterized in that: in described burner hearth, near described burner hearth the second end, superheater is installed.
8. according to the industrial tail gas boiler described in any one in claim 5 to 7, it is characterized in that: the cross section of described burner hearth is approximate parallelogram, dual-side is perpendicular to horizontal plane, and upper bottom is horizontal by a positive angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310749302.4A CN103759244B (en) | 2013-12-31 | 2013-12-31 | Back-end surfaces sealing supporting structure and there is the industrial tail gas boiler of this structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310749302.4A CN103759244B (en) | 2013-12-31 | 2013-12-31 | Back-end surfaces sealing supporting structure and there is the industrial tail gas boiler of this structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103759244A true CN103759244A (en) | 2014-04-30 |
| CN103759244B CN103759244B (en) | 2016-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310749302.4A Expired - Fee Related CN103759244B (en) | 2013-12-31 | 2013-12-31 | Back-end surfaces sealing supporting structure and there is the industrial tail gas boiler of this structure |
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| Country | Link |
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| CN (1) | CN103759244B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654984A (en) * | 2017-10-10 | 2018-02-02 | 苏州海陆重工股份有限公司 | A kind of waste heat boiler |
| CN109666514A (en) * | 2019-02-20 | 2019-04-23 | 宁夏神耀科技有限责任公司 | A kind of gasification furnace radiation waste pot bottom transition connection sealing device |
| CN110715312A (en) * | 2019-10-24 | 2020-01-21 | 哈尔滨锅炉厂有限责任公司 | Hanging sealing device for tail flue of gas boiler |
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| US4641608A (en) * | 1985-02-04 | 1987-02-10 | Combustion Engineering, Inc. | Steam generator with expansion joint |
| CN1079284A (en) * | 1992-03-03 | 1993-12-08 | 西门子公司 | The configuration of steam generator in supporting structure |
| JPH08114302A (en) * | 1994-10-17 | 1996-05-07 | Babcock Hitachi Kk | Boiler installing method and boiler installation structural body |
| CN201335367Y (en) * | 2009-01-12 | 2009-10-28 | 上海锅炉厂有限公司 | Bearing guide and sealing device of through-wall in back flue |
| CN201964388U (en) * | 2011-01-27 | 2011-09-07 | 太原锅炉集团有限公司 | Gas fired boiler tube bank evaporation convection heating device |
| CN203784914U (en) * | 2013-12-31 | 2014-08-20 | 上海四方锅炉集团工程成套股份有限公司 | Rear heating surface sealing supporting structure and industrial exhaust gas boiler with rear heating surface sealing supporting structure |
-
2013
- 2013-12-31 CN CN201310749302.4A patent/CN103759244B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4641608A (en) * | 1985-02-04 | 1987-02-10 | Combustion Engineering, Inc. | Steam generator with expansion joint |
| CN1079284A (en) * | 1992-03-03 | 1993-12-08 | 西门子公司 | The configuration of steam generator in supporting structure |
| JPH08114302A (en) * | 1994-10-17 | 1996-05-07 | Babcock Hitachi Kk | Boiler installing method and boiler installation structural body |
| CN201335367Y (en) * | 2009-01-12 | 2009-10-28 | 上海锅炉厂有限公司 | Bearing guide and sealing device of through-wall in back flue |
| CN201964388U (en) * | 2011-01-27 | 2011-09-07 | 太原锅炉集团有限公司 | Gas fired boiler tube bank evaporation convection heating device |
| CN203784914U (en) * | 2013-12-31 | 2014-08-20 | 上海四方锅炉集团工程成套股份有限公司 | Rear heating surface sealing supporting structure and industrial exhaust gas boiler with rear heating surface sealing supporting structure |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654984A (en) * | 2017-10-10 | 2018-02-02 | 苏州海陆重工股份有限公司 | A kind of waste heat boiler |
| CN109666514A (en) * | 2019-02-20 | 2019-04-23 | 宁夏神耀科技有限责任公司 | A kind of gasification furnace radiation waste pot bottom transition connection sealing device |
| CN109666514B (en) * | 2019-02-20 | 2024-04-02 | 宁夏神耀科技有限责任公司 | Transition connection sealing device for bottom of gasification furnace radiation waste pot |
| CN110715312A (en) * | 2019-10-24 | 2020-01-21 | 哈尔滨锅炉厂有限责任公司 | Hanging sealing device for tail flue of gas boiler |
| CN110715312B (en) * | 2019-10-24 | 2021-10-01 | 哈尔滨锅炉厂有限责任公司 | Hanging sealing device for tail flue of gas boiler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103759244B (en) | 2016-01-13 |
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