CN107218588B - A kind of cold tube panel flue of vapour and its hanging structure - Google Patents
A kind of cold tube panel flue of vapour and its hanging structure Download PDFInfo
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- CN107218588B CN107218588B CN201710398747.0A CN201710398747A CN107218588B CN 107218588 B CN107218588 B CN 107218588B CN 201710398747 A CN201710398747 A CN 201710398747A CN 107218588 B CN107218588 B CN 107218588B
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- tube panel
- flue
- panel flue
- buckstay
- cold
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/24—Supporting, suspending, or setting arrangements, e.g. heat shielding
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a kind of cold tube panel flues of vapour, including the tube panel flue (3) being welded by steam pipe (1) and fin (2), along tube panel flue (3) axis in tube panel flue (3) surrounding be disposed at least one perpendicular to tube panel flue (3) axis buckstay (17), each buckstay (17) is slidably connected by otic placode (4) and connector (5) with tube panel flue (3), is articulated structure between tube panel flue (3) surrounding corner and buckstay (17)；Bottom, top and the two sides of tube panel flue pass through respectively has just hung structure and perseverance is hung structure and propped up and hung.Tube panel flue of the invention greatly reduces flue weight and inner lining pouring material difficulty of construction, meanwhile, tube panel flue can also absorb heat as heating surface, to save the arrangement space and cost of boiler.In addition, flue hanging structure of the invention also efficiently solves the problems, such as that the cold tube panel flue branch of vapour hangs hardly possible.
Description
Technical field
The present invention relates to a kind of flue structure, the cold tube panel flue of especially a kind of vapour for Cyclone outlet and its
Hanging structure.
Background technique
For a long time, the Cyclone outlet flue in recirculating fluidized bed (CFB) boiler all be using steel plate+fashioned iron+
Wear resistant heat preserving inner lining material composition, not only weight is big, constructional difficulties, and easily occurs what wear resistant heat preserving inner lining material fell off
Situation.In addition, this flue only plays connection function, it cannot function as heating surface heat absorption, waste the arrangement space and cost of boiler.Through
After crossing the carefully studying of applicant, applicant proposed the cold tube panel flue theories of vapour, and original steel plate flue is changed to the cold pipe of vapour
Shield flue, so that flue weight and lining processing difficulty are substantially reduced, meanwhile, the steel plate flue that cannot be absorbed heat originally is changed to energy
The tube panel flue of heat absorption, moreover it is possible to save the arrangement space and cost of boiler.But when cold using vapour tube panel flue, one can be encountered
A little technical difficulties, such as: when boiler operatiopn, for tube panel flue by expanded by heating, rigidity of the tube panel flue outside face is also weaker；Again
Such as: problem is hung to the branch of tube panel flue: being high temperature and high pressure steam in pipe when the operation of tube panel flue, is high-temperature flue gas in flue,
A large amount of fine ash grain is carried in high-temperature flue gas, boiler is easy dust stratification in underrun in flue；In order to avoid in flue gas
Abrasion of the soot particle to tube panel, need to lay wear-resistant castable in tube panel flue inner wall, the laying of dust stratification and wear-resistant castable, all
The load of the cold tube panel flue of vapour is considerably increased, and dust load is also the load for being stepped up variation, this can significantly
Increase the design difficulty that the cold tube panel flue branch of vapour is hung.So carrying out structure design to it for tube panel flue cold for vapour
When, how not only can solve the thermal expansion problem of the cold tube panel flue of vapour and the Out-of Plane Stiffness problem of tube panel flue, but also to can solve vapour cold
The branch of tube panel flue hangs problem, is to ensure that the key that the cold tube panel flue of vapour successfully uses.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of cold tube panel flue of vapour and its hanging structure, the cold tube panels of the vapour
Flue solves the problems, such as the thermal expansion problem of the cold tube panel flue of vapour and the Out-of Plane Stiffness of tube panel flue, to make the cold tube panel flue of vapour
With coming true in the boiler, flue weight and lining processing difficulty are greatly reduced, meanwhile, the cold tube panel flue of vapour can also be made
It absorbs heat for heating surface, to save the arrangement space and cost of boiler.In addition, flue hanging structure of the invention is also effective
Ground solves the problems, such as that the cold tube panel flue branch of vapour hangs hardly possible.
The technical solution adopted by the present invention to solve the technical problems is: a kind of cold tube panel flue of vapour, including by steam pipe
The tube panel flue being welded with fin is arranged at least one in tube panel flue surrounding along the axis of the tube panel flue
Perpendicular to the buckstay of tube panel flue axis, each buckstay is slidably connected with tube panel flue, tube panel flue surrounding corner
It is articulated structure between buckstay.
Further, the buckstay is slidably connected by the otic placode that is fixed on tube panel flue and with the otic placode
Connector is slidably connected with tube panel flue, and otic placode and the connector being slidably connected with it are between the length direction along buckstay
Every being evenly arranged, and there is a certain distance between the connector and tube panel flue surrounding corner at buckstay both ends.
Further, the tube panel flue surrounding corner is hinged by hinge means and buckstay.
Further, one layer of wear-resistant castable is laid on the inner wall of the tube panel flue.
Further, thermal insulation material is provided in the gap of each connector between buckstay and tube panel flue.
The invention further relates to a kind of hanging structure for the cold tube panel flue of vapour, the shape of the tube panel flue is cuboid
Shape, all buckstays (i.e. bottom rigid beam) for being arranged in tube panel stack base extend certain distance to its both ends, and bottom is rigid
Property beam both ends be respectively equipped with a lifting lug, bottom rigid beam is by the lifting lug and rigid hanger at its both ends and is fixed on boiler top
The top plate beam in portion is connected.
Further, the both ends for being arranged in all buckstays (i.e. top rigid beam) at the top of tube panel flue are equipped with one
Lifting lug, top rigid beam are connected by the lifting lug and constant force hanger rod at its both ends with the top plate beam.
Further, the top of tube panel flue two sides is preset with block number respectively and is arranged in tube panel flue two sides
On the identical junction steel plate of buckstay (i.e. side buckstay) radical, be equipped with one piece on every piece of junction steel plate and hang
Plate, each side buckstay being arranged on tube panel flue two sides pass through welding and are connected with corresponding platform sling, each platform sling
It is connected by constant force hanger rod with the top plate beam.
The beneficial effects of the present invention are: the cold tube panel flue of vapour of the invention is by arranging buckstay in 3 surrounding of tube panel flue
17, to improve the Out-of Plane Stiffness and explosion-proof capabilities of tube panel flue 3；By setting sliding for buckstay 17 and tube panel flue 3
Dynamic connection there is a certain distance between the connector at 17 both ends of buckstay and the corner of tube panel flue and by tube panel
The surrounding corner of flue 3 is hinged with buckstay 17, can fully ensure that tube panel flue 3 is heated free wxpansion and is not limited,
Efficiently solve the heated the technical issues of expanding of tube panel flue 3；Meanwhile it can be with by being passed through steam into steam pipe 1
Tube panel flue 3 is set to absorb heat as heating surface to the high-temperature flue gas in flue, to save the arrangement space and cost of boiler；
In addition, by by the cold tube panel flue 3 of vapour be used as boiler Cyclone outlet flue, can substantially reduce flue weight and
Inner lining pouring material difficulty of construction is hung to be conducive to the subsequent branch to tube panel flue 3.Flue hanging structure of the invention passes through in pipe
Screen 3 bottom of flue efficiently solves the cold pipe of vapour using just hanging structure, hanging structure using perseverance in 3 two sides of tube panel flue and top
The branch of screen flue hangs the uniformity problem of problem and heated free wxpansion direction, so that the overall structure of entire tube panel flue be made to become
More stable, branch is obtained to hang more securely and reliably.
Detailed description of the invention
Fig. 1 is the front view of the cold tube panel flue of vapour of the invention and its hanging structure.
Fig. 2 is the partial enlarged view in Fig. 1 at A.
Fig. 3 is the structural schematic diagram that buckstay is slidably connected by otic placode and connector and tube panel.
In the figure, it is marked as 1- steam pipe, 2- fin, 3- tube panel flue, 4- otic placode, 5- connector, 6- hinge means, 7- are resistance to
Mill castable, 8- thermal insulation material, 9- bottom rigid beam, 10- lifting lug, 11- rigid hanger, 12- raising-plate, 13- top rigid beam,
14- constant force hanger rod, the side 15- buckstay, 16- platform sling, 17- buckstay.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
As shown in Figure 1, Figure 2, Figure 3 shows, the cold tube panel flue of vapour of the invention includes being welded by steam pipe 1 and fin 2
Rectangle tube panel flue 3 is arranged with along the axis of the tube panel flue 3 on two sides of tube panel flue 3 and top, bottom surface
At least one perpendicular to 3 axis of tube panel flue buckstay 17, between the buckstay 17 on each face at uniformly spaced distances
Distribution, is arranged in several 4 Hes of otic placode of all buckstays 17 of 33 surrounding of tube panel flue by being fixed on tube panel flue 3
The connector 5 being slidably connected with the otic placode 4 is slidably connected with tube panel flue 3, otic placode 4 and the connector 5 being slidably connected with it
Be be evenly arranged along the length direction interval of buckstay 17, and close to 17 both ends of buckstay connector 5 and tube panel flue 3
Corner between there is a certain distance, the surrounding corner of the tube panel flue 3 is mutually cut with scissors by hinge means 6 with buckstay
It connects.By arranging buckstay 17 in 3 surrounding of tube panel flue, the Out-of Plane Stiffness and explosion-proof capabilities of tube panel flue 3 are improved；Passing through will
Buckstay 17 and tube panel flue 3 be set as being slidably connected and close to 17 both ends of buckstay connector and tube panel flue corner it
Between have and a certain distance and the surrounding corner of tube panel flue 3 be hinged with buckstay 17, can fully ensure that tube panel flue 3
Heated free wxpansion and be not limited, efficiently solve the heated the technical issues of expanding of tube panel flue 3；Meanwhile it is logical
It crosses and is passed through steam into steam pipe 1 tube panel flue 3 can be made to absorb heat as heating surface to the high-temperature flue gas in flue, thus
Save the arrangement space and cost of boiler；In addition, by the Cyclone outlet flue that tube panel flue 3 is used as to boiler, it can
To substantially reduce the weight and inner lining pouring material difficulty of construction of flue, hung to be conducive to the subsequent branch to tube panel flue 3.
In order to avoid abrasion of the soot particle to tube panel flue 3 that the high-temperature flue gas in tube panel flue 3 carries, in tube panel flue 3
Inner wall on be only laid with the relatively thin wear-resistant castable 7 of a layer thickness, entire flue weight can be mitigated.
In order to make tube panel flue 3 have certain thermal insulation property, for buckstay 17 in boiler operatiopn, temperature is that room temperature is cold
State is provided with thermal insulation material 8 in the gap of each connector 5 between buckstay 17 and tube panel flue 3.
The invention further relates to a kind of hanging structures for the cold tube panel flue of vapour, are arranged in all of 3 bottom of tube panel flue
Buckstay 17(, that is, bottom rigid beam 9) extend a certain distance to its both ends, then at the both ends of the bottom rigid beam 9
It is respectively equipped with a lifting lug 10, bottom rigid beam 9 is by the lifting lug 10 and rigid hanger 11 at its both ends and is fixed at the top of boiler
Top plate beam 12 be connected.Since 3 bottom of tube panel flue by tube panel in addition to being self-possessed, wear-resisting in 17 weight of buckstay and flue is poured
Outside 7 weight of material feeding, the biggish dust stratification load of weight change can be also born, so needing in the bottom of tube panel flue 3 using rigidity
Sunpender 11 hangs to carry out branch to it.
Be arranged in all buckstay 17(i.e. top rigid beam 13 at the top of tube panel flue 3) both ends be equipped with a lifting lug
10, top rigid beam 13 is connected by the lifting lug 10 and constant force hanger rod 14 at its both ends with the top plate beam 12.Due to tube panel cigarette
3 top of road is not subject to other outer except being self-possessed by tube panel, in addition to 7 weight of wear-resistant castable in 17 weight of buckstay and flue
In load, simultaneously, it is contemplated that the uniformity of entire 3 expanded by heating of tube panel flue, so the top of tube panel flue 3 only need using
Constant force hanger rod 14 hangs to carry out branch to it.
The top of 3 two sides of tube panel flue be preset with respectively block number be arranged in it is rigid on 3 two sides of tube panel flue
Property beam 17(, that is, side buckstay 15) the identical junction steel plate of radical, one piece of platform sling is equipped on every piece of junction steel plate
16, each side buckstay 15 being arranged on 3 two sides of tube panel flue is connected by welding with corresponding platform sling 16, respectively
Platform sling 16 is connected by constant force hanger rod 14 with the top plate beam 12.In 3 side of tube panel flue, due to the face of tube panel flue 3 outside
Rigidity is weaker, and the ability of the outer bending moment of bearing plane is poor, so top preset junction steel plate and platform sling in 3 two sides of tube panel flue
16, and side buckstay 15 is welded on platform sling 16, equally, it is contemplated that the uniformity of entire 3 expanded by heating of tube panel flue, institute
To bear the load of side tube panel using constant force hanger rod 14.
By 3 bottom of tube panel flue using just hung structure, and at 3 two sides of tube panel flue and top structure is hung using perseverance,
Efficiently solve the problems, such as that the branch of the cold tube panel flue of vapour is hung and the uniformity problem in heated free wxpansion direction, to make entirely to manage
The overall structure of screen flue becomes more stable, props up and hang more securely and reliably.
Claims (7)
1. a kind of cold tube panel flue of Cyclone outlet vapour and its hanging structure, including welded by steam pipe (1) and fin (2)
Made of the cold tube panel flue (3) of Cyclone outlet vapour, along the axis of the cold tube panel flue (3) of the Cyclone outlet vapour
Line in tube panel flue surrounding be arranged at least one perpendicular to tube panel flue axis buckstay (17), each buckstay
(17) it is slidably connected with tube panel flue, is articulated structure between tube panel flue surrounding corner and buckstay (17)；It is characterized by:
It is arranged in all bottom rigid beams (9) of tube panel stack base and extends certain distance to its both ends, the two of bottom rigid beam (9)
End is respectively equipped with a lifting lug (10), lifting lug (10) and rigid hanger (11) and fixation of the bottom rigid beam (9) by its both ends
Top plate beam (12) at the top of boiler is connected.
2. the cold tube panel flue of Cyclone outlet vapour according to claim 1 and its hanging structure, it is characterised in that: institute
The buckstay (17) stated passes through the otic placode (4) being fixed on tube panel flue and the connector (5) being slidably connected with the otic placode (4)
It is slidably connected with tube panel flue, the connector (5) that otic placode (4) He Yuqi is slidably connected is the length side along buckstay (17)
It is evenly arranged to interval, and has centainly between the connector (5) and tube panel flue surrounding corner at buckstay (17) both ends
Distance.
3. the cold tube panel flue of Cyclone outlet vapour according to claim 2 and its hanging structure, it is characterised in that: institute
Tube panel flue surrounding corner is stated to be hinged by hinge means (6) with buckstay (17).
4. the cold tube panel flue of Cyclone outlet vapour according to claim 3 and its hanging structure, it is characterised in that: institute
It states and is laid with one layer of wear-resistant castable (7) on the inner wall of tube panel flue.
5. the cold tube panel flue of Cyclone outlet vapour according to claim 4 and its hanging structure, it is characterised in that:
Thermal insulation material (8) are provided in the gap of each connector (5) between buckstay (17) and tube panel flue.
6. the cold tube panel flue of Cyclone outlet vapour according to claim 1 and its hanging structure, it is characterised in that: cloth
The both ends for all top rigid beams (13) being placed at the top of tube panel flue are equipped with a lifting lug (10), and top rigid beam (13) is logical
The lifting lug (10) and constant force hanger rod (14) for crossing its both ends are connected with the top plate beam (12).
7. the cold tube panel flue of Cyclone outlet vapour according to claim 6 and its hanging structure, it is characterised in that: institute
The side buckstay (15) that the top for stating tube panel flue two sides is preset with block number respectively and is arranged on tube panel flue two sides
The identical junction steel plate of radical is equipped with one piece of platform sling (16) on every piece of junction steel plate, is arranged in tube panel flue two sides
Each side buckstay (15) on face is connected by welding with corresponding platform sling (16), and each platform sling (16) is hung by constant force
Bar (14) is connected with the top plate beam (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710398747.0A CN107218588B (en) | 2017-05-31 | 2017-05-31 | A kind of cold tube panel flue of vapour and its hanging structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710398747.0A CN107218588B (en) | 2017-05-31 | 2017-05-31 | A kind of cold tube panel flue of vapour and its hanging structure |
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| Publication Number | Publication Date |
|---|---|
| CN107218588A CN107218588A (en) | 2017-09-29 |
| CN107218588B true CN107218588B (en) | 2019-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710398747.0A Active CN107218588B (en) | 2017-05-31 | 2017-05-31 | A kind of cold tube panel flue of vapour and its hanging structure |
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| CN110345465A (en) * | 2019-08-05 | 2019-10-18 | 上海锅炉厂有限公司 | A kind of tube panel hanging structure in heat exchanger bobbin carriage |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1702086A1 (en) * | 1987-06-15 | 1991-12-30 | Производственное Объединение "Белгородский Завод Энергетического Машиностроения" | Beam of stiffening belt of gas duct |
| US5207184A (en) * | 1992-04-03 | 1993-05-04 | The Babcock & Wilcox Company | Boiler buckstay system for membranded tube wall end connection |
| JPH05296406A (en) * | 1992-04-20 | 1993-11-09 | Babcock Hitachi Kk | Boiler vibration preventive device |
| CN201331050Y (en) * | 2008-12-30 | 2009-10-21 | 上海锅炉厂有限公司 | Vertical stiffening bar support |
| CN105509025A (en) * | 2015-03-26 | 2016-04-20 | 无锡华光锅炉股份有限公司 | Superheater hanger device for waste heat boiler |
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| CN107218588A (en) | 2017-09-29 |
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