CN206347743U - A kind of attachment structure of fin panel casing and membrane type superheater - Google Patents
A kind of attachment structure of fin panel casing and membrane type superheater Download PDFInfo
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- CN206347743U CN206347743U CN201621452579.6U CN201621452579U CN206347743U CN 206347743 U CN206347743 U CN 206347743U CN 201621452579 U CN201621452579 U CN 201621452579U CN 206347743 U CN206347743 U CN 206347743U
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- fin
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- membrane type
- panel casing
- type superheater
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Abstract
The utility model is related to the attachment structure of a kind of fin panel casing and membrane type superheater, and wherein fin panel casing connection fin (5) and membrane type superheater connection fin (6) is welded in the outside of avris monowall tube (1) and membrane type superheater tube (2) respectively;First riser (9) and the second riser (10) are welded in below fin panel casing connection fin (5) and superheater connection fin (6) respectively;First riser (9) to fin panel casing connect fin (5) free end apart from B1 be connected with the second riser (10) to membrane type superheater fin (6) free end apart from B2 sums, less than the first riser (9) and the spacing B of the second riser (10).The outside weldering connecting plate (17) of first riser (9) and the second riser (10), connecting plate (17) connects with cover plate (11).The utility model is avoided that monowall tube causes fin to be occurred by drawing crack situation with the expansion of membrane type superheater, and with good sealing property.
Description
Technical field
The utility model is related to boiler technology field, more particularly, to the connection of a kind of fin panel casing and membrane type superheater
Structure.
Background technology
The four sides of conventional boiler burner hearth is made up of fin panel casing, and fin panel casing is made up of many water screen tubes, adjacent
Welded together between water screen tube by fin, the medium of Bottomhole pressure is water.Fin panel casing is laid in boiler furnace
Wall, it can absorb the radiations heat energy of burner hearth high temperature flame or flue gas, in pipe as the main radiation evaporating heating surface of boiler
Interior generation steam or hot water, and temperature of furnace wall is reduced, protect furnace wall.
Existing membrane type superheater is welded by seamless alloy pipe and fin, and its medium for managing interior circulation steams for overheat
Vapour, its effect is that saturated vapor is heated into the superheated steam with certain temperature.Due to fin panel casing and membrane type superheater
Pipe in medium it is different, the temperature of medium is also different, causes both swell incremenies different, is connected according to conventional single fin,
The easy drawing crack of fin, influences stable operation of the boiler.So in the prior art, these membrane type superheaters are generally set by the way of suspension
It is placed in inside burner hearth.There is presently no the correlative study record that fin panel casing is connected with membrane type superheater occur.
Utility model content
The purpose of this utility model is to provide the attachment structure of a kind of fin panel casing and membrane type superheater, and it can be realized
Fin panel casing is connected with membrane type superheater, and can avoid fin panel casing with membrane type superheater because of different medium swell increment
Fin is by the technical problem of drawing crack caused by different.
The purpose of this utility model is achieved through the following technical solutions:
The utility model provides the attachment structure of a kind of fin panel casing and membrane type superheater, wherein the fin panel casing
It is made up of, is connected between adjacent monowall tube by fin panel casing fin multiple monowall tubes;Membrane type superheater
It is made up of, is connected between adjacent membrane type superheater tube by membrane type superheater fin multiple membrane type superheater tubes;Wherein, described one
Planting the attachment structure of fin panel casing and membrane type superheater includes:
Fin panel casing connection fin, membrane type superheater connection fin, the first riser, the second riser, connecting plate and cover plate;
Fin panel casing connection fin is welded on the outside of the monowall tube positioned at avris;Membrane type superheater connects fin
Piece is welded on the outside of the membrane type superheater tube positioned at avris;First riser is welded on the lower section that fin panel casing connects fin;
Second riser is welded on the lower section that membrane type superheater connects fin;First riser to fin panel casing connect fin free end away from
The spacing B between fin free end distance B2, the first riser and the second riser is connected from B1, the second riser to membrane type superheater
Between meet following relation:
B>B1+B2
The connecting plate is respectively symmetrically welded in the outside of first riser and the second riser;
The cover plate is connected to the outside of the connecting plate, and between first riser, the second riser and connecting plate
Surround cavity.
It is highly preferred that the connecting plate is connected by fastener with cover plate.
It is highly preferred that the fastener connecting place between the connecting plate and cover plate sets temperature resistant encapsulation bar.
It is highly preferred that filling resistance in the cavity surrounded between the cover plate and the first riser, the second riser and connecting plate
Hot filler.
It is highly preferred that the attachment structure of a kind of described fin panel casing and membrane type superheater also includes:
Limited block one and limited block two;
The limited block one is fixed on the lower section that the fin panel casing connects fin, and with the inner side of first riser
Connection;
The limited block two is fixed on the lower section that the membrane type superheater connects fin, and with the inner side of second riser
Connection;
The length of the limited block one is more than the length of the limited block two.
It is highly preferred that the length ratio of the limited block one and the limited block two is 2:1.
It is highly preferred that the attachment structure of a kind of described fin panel casing and membrane type superheater also includes:Sealing block;It is described
Sealing block stagger arrangement is welded in the inner side of the first riser and the second riser.
It is highly preferred that the spacing between the sealing block stagger arrangement is the 1/4 of the first riser and the second riser height;
The height of the sealing block is 2/3 of spacing between the first riser and the second riser.
It is highly preferred that the attachment structure of a kind of described fin panel casing and membrane type superheater also includes:
It is arranged on the locating piece between the bottom of connecting plate and cover plate.
The utility model has the following technical effect that it can be seen from above-mentioned the technical solution of the utility model:
In the utility model attachment structure, due to the first riser be connected with fin panel casing fin be connected, the second riser with
Membrane type superheater connection fin is connected, and the first riser and the second riser be connected by connecting plate with cover plate respectively, it is to avoid membrane type
Water-cooling wall fin and membrane type superheater fin are joined directly together, so when monowall tube and membrane type superheater tube are because passing through
Medium is different and when expanding, different swell incremenies are compensated by the expansion of same cover plate, thus the utility model energy
Monowall tube and membrane type superheater are enough avoided because different and expanding causes fin to be sent out by the situation of drawing crack by medium in pipe
It is raw.
The utility model is also effectively reduced the inleakage of the two junction by setting temperature resistant encapsulation bar, with conventional weldering
Binding structure is identical to have good sealing, so as to ensure the stable operation of boiler.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the structural representation of the utility model embodiment two.
In accompanying drawing:
Monowall tube 1, membrane type superheater tube 2, fin panel casing fin 3, membrane type superheater fin 4, film-type water-cooling
Wall connection fin 5, membrane type superheater connection fin 6, limited block 1, limited block 28, the first riser 9, the second riser 10, cover plate
11st, sealing block 12, locating piece 13, fastener 14, temperature resistant encapsulation bar 15, heat-resisting filler 16, connecting plate 17.
Embodiment
In order that those skilled in the art more fully understands the technical scheme of the application, below with reference to accompanying drawing to this reality
It is described in further details with new.
The orientation such as upper and lower, left and right, front and rear in present specification term is based on position relationship shown in the drawings
Set up.Accompanying drawing is different, then corresponding position relationship is also possible to change therewith, therefore can not be interpreted as with this to protection model
The restriction enclosed.
Embodiment one:
As shown in figure 1, fin panel casing is made up of many monowall tubes 1, pass through between adjacent monowall tube 1
Fin panel casing fin 3 welds together.(these membrane type superheater tubes can be with by many membrane type superheater tubes 2 for membrane type superheater
It is seamless alloy pipe or other tubing) constitute, pass through membrane type superheater fin 4 between adjacent membrane type superheater tube 2
Weld together.If the wall design of burner hearth is made up of fin panel casing and membrane type superheater, it can use of the present utility model
Attachment structure links together fin panel casing with membrane type superheater.A kind of fin panel casing and film that the utility model is provided
The schematic diagram of the attachment structure of formula superheater is still as shown in figure 1, specifically include:
Fin panel casing connection fin 5, membrane type superheater connection fin 6, limited block 1, limited block 28, the first riser
9th, the second riser 10, cover plate 11, sealing block 12, locating piece 13, fastener 14, temperature resistant encapsulation bar 15, heat-resisting filler 16, connection
Plate 17.
Fin panel casing connection fin 5 is welded on the outside of the monowall tube 1 positioned at avris.Membrane type superheater is connected
Fin 6 is welded on the outside of the membrane type superheater tube 2 positioned at avris.
First riser 9 is welded on the lower section that fin panel casing connects fin 5.Second riser 10 is welded on superheater connection fin
The lower section of piece 6.
In order to avoid fin panel casing and pattern superheater are because of boiler expansion and operating vibrations generation dislocation lap joint etc.
Situation, the first riser 9 to fin panel casing connects the distance of the free end of fin 5, the second riser 10 to membrane type superheater and connects fin
Following relation is met between spacing between the distance of the free end of piece 6, the first riser 9 and the second riser 10:
B>B1+B2
Wherein, B1 is the distance that the first riser 9 connects fin 5 free end to fin panel casing, B2 be the second riser 10 to
The distance of membrane type superheater connection fin 6 free end, B is the spacing between the first riser 9 and the second riser 10.
The outside of first riser 9 and the second riser 10 respectively symmetrically fixed connecting plate 17.Cover plate 11 is connected to connecting plate 17
Outside, and surround cavity between above-mentioned first riser 9, the second riser 10 and connecting plate 17.
Elongated hole is set on above-mentioned connecting plate 17, and the elongated hole is through at by fixture 14 and is connected with above-mentioned cover plate 11.It is adjacent
Spacing between elongated hole can be H=1~1.5m.
The shape of above-mentioned connecting plate 17 can be L-type structure section bar as shown in Figure 1, and be arranged symmetrically.Corresponding lid
Plate 11 is U-shape structure, and the height of its two side is equal, and is symmetrically provided with elongated hole, the elongated hole and the elongated hole on above-mentioned connecting plate 17
Position match, for penetrating fastener 14.Cover plate 11 is linked together by fastener 14 with above-mentioned connecting plate 17.
In order to avoid the junction of fastener 14 is leaked out, the connecting place of fastener 14 between above-mentioned connecting plate 17 and cover plate 11
Temperature resistant encapsulation bar 15 is set.
In order to reduce boiler radiation loss and ensure that furnace high-temperature flue gas does not burn sealing structure, the utility model is above-mentioned
The heat-resisting filler 16 of filling in the cavity surrounded between first riser 9, the second riser 10, connecting plate 17 and cover plate 11.
In order to play more preferable position-limiting action, the mutual extruding of pattern wall superheater or so expansion is prevented, it is to avoid film-type water-cooling
Wall connection fin 5 is connected fin 6 with membrane type superheater to be there is overlap joint dislocation and is directly in contact because of expansion and boiler vibrations, this reality
Limited block 1 and limited block 28 are additionally provided with new.The limited block 1 is connected the riser of fin 5 and first with fin panel casing
9 are welded to connect, and as illustrated in fig. 1 and 2, i.e., limited block 1 is fixed under fin panel casing connection fin 5 specific installation site
Side, and be welded to connect with the inner side of the first riser 9.The limited block 28 is connected fin 6,10 points of the second riser with membrane type superheater
It is not welded to connect;, as illustrated in fig. 1 and 2, i.e., limited block 28 is fixed under membrane type superheater connection fin 6 specific installation site
Side, and be connected with the inner side of the second riser 10.The length ratio of limited block 1 and limited block 28 is 2:1.
In order to avoid the junction between fin panel casing and membrane type superheater is leaked out, and heat-resisting filler can be pushed down
16, the utility model also includes sealing block 12, and the stagger arrangement of sealing block 12 is welded with the first riser 9 and the second riser 10, forms labyrinth
Type.Spacing between the stagger arrangement of sealing block 12 is the 1/4 of the first riser 9 and the height of the second riser 10;The height of sealing block 12 is the
The 2/3 of interval S between one riser 9 and the second riser 10.
Leaked out to reduce the junction between fin panel casing and membrane type superheater, and fixing heat-resistant filler 16,
The utility model also includes locating piece 13, and it is arranged between the bottom of connecting plate 17 and cover plate 11.
Illustrated in above-described embodiment one so that connecting plate 17 is L-type structure as an example, but in the utility model
The structure of connecting plate 17 is not limited thereto, and it can also be that connecting plate 17 in other structures, such as Fig. 2 is plane steel plate, phase
The shape for answering cover plate 11 is also plane steel plate, and linked together by fastener 14 with connecting plate 17.
Pass through above-mentioned attachment structure so that fin panel casing links together with membrane type superheater, collectively constitutes Boiler Furnace
The surrounding of thorax.In the utility model attachment structure, it is connected because the first riser 9 is connected fin 5 with fin panel casing, the second riser
10, which are connected fin 6 with membrane type superheater, is connected, and the first riser 9 and the second riser 10 pass through connecting plate 17 and the phase of cover plate 11 respectively
Even, it is to avoid fin panel casing fin 3 and membrane type superheater fin 4 are joined directly together, so when monowall tube 1 and membrane type
Superheater tube 2 because by medium it is different expand when, different swell incremenies are mended by the expansion of same cover plate 11
Repay, thus the utility model can avoid monowall tube and membrane type superheater because different and expanding causes by medium in pipe
Fin is occurred by the situation of drawing crack.
Although the utility model is disclosed as above with preferred embodiment, embodiment does not limit the utility model.Not
In the spirit and scope for departing from the utility model, any equivalence changes done or retouching also belong to the guarantor of the utility model
Protect scope.Therefore the content that protection domain of the present utility model should be defined using claims hereof is standard.
Claims (9)
1. the attachment structure of a kind of fin panel casing and membrane type superheater, wherein the fin panel casing is by multiple fin panel casings
Manage and connected between (1) composition, adjacent monowall tube (1) by fin panel casing fin (3);Membrane type superheater is by multiple films
Formula superheater tube (2) is constituted, and is connected between adjacent membrane type superheater tube (2) by membrane type superheater fin (4), and its feature exists
In the attachment structure of a kind of fin panel casing and membrane type superheater includes:
Fin panel casing connection fin (5), membrane type superheater connection fin (6), the first riser (9), the second riser (10), connection
Plate (17) and cover plate (11);
Fin panel casing connection fin (5) is welded on the outside of the monowall tube (1) positioned at avris;Membrane type superheater is connected
Fin (6) is welded on the outside of the membrane type superheater tube (2) positioned at avris;First riser (9) is welded on fin panel casing connection
The lower section of fin (5);Second riser (10) is welded on the lower section of membrane type superheater connection fin (6);First riser (9) is to membrane type
Water-cooling wall connection fin (5) free end apart from B1, the second riser (10) to membrane type superheater connect fin (6) free end away from
Following relation is met between the spacing B between B2, the first riser (9) and the second riser (10):
B>B1+B2
The connecting plate (17) is respectively symmetrically welded in the outside of first riser (9) and the second riser (10);
The cover plate (11) is connected to the outside of the connecting plate (17), and with first riser (9), the second riser (10) and
Connecting plate surrounds cavity between (17).
2. the attachment structure of a kind of fin panel casing according to claim 1 and membrane type superheater, it is characterised in that described
Connecting plate (17) is connected by fastener (14) with cover plate (11).
3. the attachment structure of a kind of fin panel casing according to claim 2 and membrane type superheater, it is characterised in that in institute
Fastener (14) connecting place stated between connecting plate (17) and cover plate (11) sets temperature resistant encapsulation bar (15).
4. the attachment structure of a kind of fin panel casing and membrane type superheater according to claims 1 to 3 any one, it is special
Levy and be, filled out in the cavity surrounded between the cover plate (11) and the first riser (9), the second riser (10) and connecting plate (17)
Fill heat-resisting filler (16).
5. the attachment structure of a kind of fin panel casing according to claim 1 and membrane type superheater, it is characterised in that described
The attachment structure of fin panel casing and membrane type superheater a kind of also include:
Limited block one (7) and limited block two (8);
The limited block one (7) is fixed on the lower section of fin panel casing connection fin (5), and with first riser (9)
Inner side connection;
The limited block two (8) is fixed on the lower section of membrane type superheater connection fin (6), and with second riser (10)
Inner side connection;
The length of the limited block one (7) is more than the length of the limited block two (8).
6. the attachment structure of a kind of fin panel casing according to claim 5 and membrane type superheater, it is characterised in that described
Limited block one (7) and the length ratio of the limited block two (8) are 2:1.
7. the attachment structure of a kind of fin panel casing according to claim 1 and membrane type superheater, it is characterised in that described
The attachment structure of fin panel casing and membrane type superheater a kind of also include:
Sealing block (12);
Sealing block (12) stagger arrangement is welded in the inner side of the first riser (9) and the second riser (10).
8. the attachment structure of a kind of fin panel casing according to claim 7 and membrane type superheater, it is characterised in that
Spacing between sealing block (12) stagger arrangement is the 1/4 of the first riser (9) and the second riser (10) height;
The height of the sealing block (12) is 2/3 of spacing between the first riser (9) and the second riser (10).
9. the attachment structure of a kind of fin panel casing according to claim 1 and membrane type superheater, it is characterised in that described
The attachment structure of fin panel casing and membrane type superheater a kind of also include:
It is arranged on the locating piece (13) between the bottom of connecting plate (17) and cover plate (11).
Priority Applications (1)
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CN201621452579.6U CN206347743U (en) | 2016-12-27 | 2016-12-27 | A kind of attachment structure of fin panel casing and membrane type superheater |
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CN201621452579.6U CN206347743U (en) | 2016-12-27 | 2016-12-27 | A kind of attachment structure of fin panel casing and membrane type superheater |
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CN206347743U true CN206347743U (en) | 2017-07-21 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107893999A (en) * | 2017-12-14 | 2018-04-10 | 上海康恒环境股份有限公司 | A kind of waste incinerator water cooling drop wall device |
-
2016
- 2016-12-27 CN CN201621452579.6U patent/CN206347743U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107893999A (en) * | 2017-12-14 | 2018-04-10 | 上海康恒环境股份有限公司 | A kind of waste incinerator water cooling drop wall device |
CN107893999B (en) * | 2017-12-14 | 2024-05-03 | 上海康恒环境股份有限公司 | Water-cooling drop wall device of garbage incinerator |
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