CN109370663A - A kind of absorbable annular space parting seal structure axially and radially expanded - Google Patents
A kind of absorbable annular space parting seal structure axially and radially expanded Download PDFInfo
- Publication number
- CN109370663A CN109370663A CN201811382997.6A CN201811382997A CN109370663A CN 109370663 A CN109370663 A CN 109370663A CN 201811382997 A CN201811382997 A CN 201811382997A CN 109370663 A CN109370663 A CN 109370663A
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- China
- Prior art keywords
- annular
- pin shaft
- limit pin
- sealing element
- radially expanded
- Prior art date
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- 238000007789 sealing Methods 0.000 claims abstract description 57
- 238000000465 moulding Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 abstract description 4
- 238000005192 partition Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Gasket Seals (AREA)
Abstract
This application discloses a kind of absorbable annular space parting seal structures axially and radially expanded, including annular folded plate, tubular riser, limit pin shaft, elastic sealing element, first annular plate and the second annular slab；The annular folded plate fixation is set on the outer wall of inner cylinder；The annular folded plate includes horizontal part and vertical part；The lower part of the vertical part and the top of the tubular riser are connect with the elastic sealing element respectively；Several cotter ways are provided on the tubular riser；The limit pin shaft is fixed on the vertical part；The limit pin shaft runs through the cotter way.The embodiment of the present application, the limit pin shaft can be slided in cotter way, the axial expansion that can be absorbed between inner barrel and outer barrel is poor, the difference that is radially expanded between inner barrel and outer barrel can be absorbed in the elastic sealing element, so that the sealing structure is achieved the purpose that sealed separation simultaneously, absorbs the axially and radially differential expansion between inner barrel and outer barrel.
Description
Technical field
This application involves sealing structure field, in particular to a kind of absorbable annular space axially and radially expanded separates
Sealing structure.
Background technique
In coal gasifier, synthesis headroom is usually made of tubular construction, and the outer of safeguard protection is provided with outside it
Cylinder, constitutes annular space between outer cylinder and inner cylinder.In order to realize the gas partitions between annular space different location, annular space
Interior to usually require setting sealing partition, there may be pressure differences for sealing partition two sides.Due to temperature difference, between outer cylinder and inner cylinder
There are biggish thermal expansion differences.Sealing partition will not only bear the pressure difference of compartment two sides, still suffer from outer cylinder and inner cylinder
Between thermal expansion difference.
In existing gasification furnace structure, generallys use and is connected directly between in inner barrel and outer barrel with Z-shaped curved annular seal plate,
Since steel plate itself is flexible poor, which can only absorb lesser differential expansion, not adapt to the structure with big differential expansion.Separately
Outside, also there is the axial expansion absorbed between inside and outside cylinder using expansion joint structure poor, but expansion joint structure is low there are the service life, manufacture
The disadvantages of at high cost.
Summary of the invention
The application's is designed to provide a kind of absorbable annular space parting seal structure axially and radially expanded, with
Solve the problems, such as that sealing structure absorption swelliong power is poor, insecure, the service life is low and manufacturing cost is high in the prior art.
Embodiments herein provides a kind of absorbable annular space parting seal structure axially and radially expanded, packet
Include annular folded plate, tubular riser, limit pin shaft, elastic sealing element, first annular plate and the second annular slab；
The annular folded plate fixation is set on the outer wall of inner cylinder；The annular folded plate includes horizontal part and vertical portion
Part, the horizontal part is vertical with vertical part to be fixedly connected；
The lower part of the vertical part and the top of the tubular riser are connect with the elastic sealing element respectively；The cylinder
Several cotter ways are provided on shape riser；The limit pin shaft is fixed on the vertical part；The limit pin shaft runs through
The cotter way；
The lower end of the tubular riser is connect with the upper end of the first annular plate；
The first annular plate is connected with second annular slab, the fixed inner wall for being set in outer cylinder of second annular slab
On.
Further, the slot top of the cotter way is arranged in the limit pin shaft.
Further, the sealing structure further includes card slot, the lower part of the vertical part and the tubular riser it is upper
Portion passes through the card slot respectively and connect with elastic sealing element；The card slot along the radial direction of the annular folded plate height, it is small
In the elastic sealing element along the height of the radial direction of the annular folded plate.
Further, the first annular plate and second annular slab are an integral molding structure.
Further, the sealing structure further includes support annular gusset, and second annular slab passes through the support ring
Shape gusset is connect with the inner wall of the outer cylinder.
From the above technical scheme, a kind of absorbable annular space axially and radially expanded provided by the present application separates
Sealing structure, including annular folded plate, tubular riser, limit pin shaft, elastic sealing element, first annular plate and the second annular slab；Institute
Annular folded plate fixation is stated to be set on the outer wall of inner cylinder；The annular folded plate includes horizontal part and vertical part, the level
Component is vertical with vertical part to be fixedly connected；The lower part of the vertical part and the top of the tubular riser respectively with the bullet
Property sealing element connection；Several cotter ways are provided on the tubular riser；The limit pin shaft is fixed at the vertical part
On；The limit pin shaft runs through the cotter way；The lower end of the tubular riser is connect with the upper end of the first annular plate；It is described
First annular plate is connected with second annular slab, and the second annular slab fixation is set on the inner wall of outer cylinder.The application is real
Example is applied, the limit pin shaft can be slided in cotter way, and the axial expansion that can be absorbed between inner barrel and outer barrel is poor, the elasticity
The difference that is radially expanded between inner barrel and outer barrel can be absorbed in sealing element, and the sealing structure is finally allow to reach sealing point simultaneously
Every, absorb inner barrel and outer barrel between axially and radially differential expansion purpose.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the application
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of use of absorbable annular space parting seal structure axially and radially expanded provided by the present application
Schematic diagram；
Fig. 2 is the enlarged diagram in the portion A provided by the present application；
Fig. 3 is structural schematic diagram when inner cylinder provided by the present application expands downwards；
Fig. 4 is structural schematic diagram when inner cylinder provided by the present application expands outward.
It illustrates: 1- annular folded plate, 11- horizontal part, 12- vertical part, 2- tubular riser, 21- cotter way, 3- limit
Pin shaft, 4- elastic sealing element, the first annular plate of 5-, the second annular slab of 6-, 7- inner cylinder, 8- outer cylinder, 9- card slot, 10- support annular
Gusset.
Specific embodiment
In coal gasifier, synthesis headroom is usually made of tubular construction, and the outer of safeguard protection is provided with outside it
Cylinder 8, constitutes annular space between outer cylinder 8 and inner cylinder 7.In order to realize the gas partitions between annular space different location, annular
Setting sealing structure is usually required in space, there may be pressure differences for sealing structure two sides.In addition, due to temperature difference, outer cylinder 8
There are biggish thermal expansion differences between inner cylinder 7.
With reference to Fig. 1-2, a kind of absorbable annular space separation axially and radially expanded provided by the embodiments of the present application is close
Seal structure.
The sealing structure includes annular folded plate 1, tubular riser 2, limit pin shaft 3, elastic sealing element 4, first annular plate 5
With the second annular slab 6；
Annular folded plate 1 fixation is set on the outer wall of inner cylinder 7；The annular folded plate 1 includes horizontal part 11 and erects
Straight member 12, the horizontal part 11 is vertical with vertical part 12 to be fixedly connected；
Specifically, the inner wall of the horizontal part 11 is connect with the outer wall of the inner cylinder 7, the horizontal part 11 is far from institute
The one end for stating inner cylinder 7 vertical with the upper end of the vertical part 12 is connect.It is described annular folded plate 1 using weld by the way of with it is described
The inner wall of inner cylinder 7 connects.
The lower part of the vertical part 12 and the top of the tubular riser 2 are connect with the elastic sealing element 4 respectively；Institute
It states and is provided with several cotter ways 21 on tubular riser 2；The limit pin shaft 3 is fixed on the vertical part 12；The limit
Position pin shaft 3 runs through the cotter way 21；
Specifically, limit pin shaft 3 is welded on vertical part 12, the quantity of the limit pin shaft 3 and the quantity of cotter way 21
Unanimously.Circumferentially be evenly arranged with eight or 16 cotter ways 21 on the tubular riser 2, the length of the cotter way 21 according to
The setting of the axial expansion difference of inner cylinder 7 and outer cylinder 8.
As shown in figure 3, when inner cylinder 7 expands downwards, cotter way slide downward of the limit pin shaft 3 on tubular riser 2, bullet
Property sealing element 4 absorb expansion displacement.
As shown in figure 4, the gap between annular folded plate 1 and the tubular riser 2 reduces, elasticity when inner cylinder 7 expands outward
Expansion displacement can be absorbed in sealing element 4.The material of the elastic sealing element 4 can be elaxtic seal.
The lower end of the tubular riser 2 is connect with the upper end of the first annular plate 5；
Specifically, the tubular riser 2 is welded on first annular plate 5.
The first annular plate 5 and second annular slab 6 connection, the fixation of the second annular slab 6 are set in outer cylinder 8
On inner wall.
Specifically, the first annular plate 5 and the welding of the second annular slab 6 are spliced.Second annular slab 6 is welded in outer cylinder
On 8.
In the embodiment of the present application, it is sliding to be provided with strip on tubular riser 2 for the welded limiting pin shaft 3 on annular folded plate 1
Dynamic cotter way 21.Cotter way 21 of the limit pin shaft 3 on tubular riser 2 slides up and down, and can absorb the axial expansion of inner cylinder 7, outer cylinder 8
Difference, the gap between annular folded plate 1 and tubular riser 2 are sealed using elastic sealing element 4, realize sealed separation function.Tubular is perpendicular
There is gap between plate 2 and annular folded plate 1, when structure expanded by heating, the radial direction that elastic sealing element 4 is can absorb between inside and outside cylinder is swollen
Swollen difference.
In some embodiments, the slot top of the cotter way 21 is arranged in the limit pin shaft 3.
It is to be understood that the temperature of inner cylinder 7 is higher than the temperature of outer cylinder 8 under normal circumstances when using coal gasifier,
The most of situation of the inner cylinder 7 all can do downward expansion relative to outer cylinder 8, so limit pin shaft 3 is located at the slot of the cotter way 21
Hole top, so that limit pin shaft 3 has more displacement spaces when moving down in the cotter way 21, it is notable that institute
The upper end for stating limit pin shaft 3 is not bonded with the elastic sealing element 4, in this way, limit pin shaft 3 can also be made to have the position moved up
Set, so, the sealing structure in the embodiment of the present application can be adapted for plurality of application scenes, no matter for 7 temperature of inner cylinder it is big
It is less than the temperature of outer cylinder 8 in the temperature of outer cylinder 8 or the temperature of inner cylinder 7, the sealing knot of the embodiment of the present application can be used
Structure.
In some embodiments, the sealing structure further includes card slot 9, the lower part of the vertical part 12 and the tubular
The top of riser 2 passes through the card slot 9 respectively and connect with elastic sealing element 4；Radial direction of the card slot 9 along the annular folded plate 1
The height in direction, less than the elastic sealing element 4 along the height of the radial direction of the annular folded plate 1.
Specifically, in the embodiment of the present application, the elastic sealing element 4 by card slot 9 respectively with the vertical part 12
Lower part is connected with the top of the tubular riser 2.In addition, the elastic sealing element 4 needs the height than the card slot 9 high, this
Sample, part of the elastic sealing element 4 outside card slot 9 can just play sealing and absorb inner cylinder 7 and outer cylinder 8 is radially expanded difference.
Part of the elastic sealing element 4 in card slot 9 matches with the card slot 9, guarantees elastic sealing element 4 in card slot
Firmness in 9.
In some embodiments, the first annular plate 5 and second annular slab 6 are an integral molding structure.
Specifically, the integrated formed structure makes the connection of first annular plate 5 and second annular slab 6 more firm
Gu.
In some embodiments, the sealing structure further includes support annular gusset 10, and second annular slab 6 passes through institute
Support annular gusset 10 is stated to connect with the inner wall of the outer cylinder 8.
Specifically, the inner wall of the outer cylinder 8, second annular slab 6 are welded with the support annular gusset 10 respectively, institute
Stating support annular gusset 10 can be improved the rigidity of the second annular slab 6.
From the above technical scheme, a kind of absorbable annular space axially and radially expanded provided by the present application separates
Sealing structure, which is characterized in that including annular folded plate 1, tubular riser 2, limit pin shaft 3, elastic sealing element 4, first annular plate 5
With the second annular slab 6；Annular folded plate 1 fixation is set on the outer wall of inner cylinder 7；The annular folded plate 1 includes horizontal part
11 and vertical part 12, the horizontal part 11 is vertical with vertical part 12 to be fixedly connected；The lower part of the vertical part 12 and
The top of the tubular riser 2 is connect with the elastic sealing element 4 respectively；Several cotter ways 21 are provided on the tubular riser 2；
The limit pin shaft 3 is fixed on the vertical part 12；The limit pin shaft 3 runs through the cotter way 21；The tubular
The lower end of riser 2 is connect with the upper end of the first annular plate 5；The first annular plate 5 and second annular slab 6 connection,
The fixation of second annular slab 6 is set on the inner wall of outer cylinder 8.The embodiment of the present application, the limit pin shaft can be in cotter ways
Sliding, the axial expansion that can be absorbed between inner barrel and outer barrel is poor, and the elastic sealing element can be absorbed between inner barrel and outer barrel
Be radially expanded difference, finally allow the sealing structure reach simultaneously sealed separation, absorb inner barrel and outer barrel between axial direction
With the purpose for being radially expanded difference.
Those skilled in the art will readily occur to its of the application after considering specification and practicing application disclosed herein
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the application, these modifications, purposes or
Person's adaptive change follows the general principle of the application and including the undocumented common knowledge in the art of the application
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the application are by following
Claim is pointed out.
It should be understood that the application is not limited to the precise structure that has been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.Scope of the present application is only limited by the accompanying claims.
Claims (5)
1. a kind of absorbable annular space parting seal structure axially and radially expanded, which is characterized in that including annular folded plate
(1), tubular riser (2), limit pin shaft (3), elastic sealing element (4), first annular plate (5) and the second annular slab (6)；
Annular folded plate (1) fixation is set on the outer wall of inner cylinder (7)；The annular folded plate (1) includes horizontal part (11)
With vertical part (12), the horizontal part (11) is vertical with vertical part (12) to be fixedly connected；
The lower part of the vertical part (12) and the top of the tubular riser (2) are connect with the elastic sealing element (4) respectively；
Several cotter ways (21) are provided on the tubular riser (2)；The limit pin shaft (3) is fixed at the vertical part (12)
On；The limit pin shaft (3) runs through the cotter way (21)；
The lower end of the tubular riser (2) is connect with the upper end of the first annular plate (5)；
The first annular plate (5) and second annular slab (6) connection, the second annular slab (6) fixation are set in outer cylinder
(8) on inner wall.
2. a kind of absorbable annular space parting seal structure axially and radially expanded according to claim 1, special
Sign is that the limit pin shaft (3) is arranged on the slot top of the cotter way (21).
3. a kind of absorbable annular space parting seal structure axially and radially expanded according to claim 1, special
Sign is that the sealing structure further includes card slot (9), the lower part of the vertical part (12) and the tubular riser (2) it is upper
Portion passes through the card slot (9) respectively and connect with elastic sealing element (4)；The card slot (9) is along the radial direction side of the annular folded plate (1)
To height, be less than the elastic sealing element (4) along the height of the radial direction of the annular folded plate (1).
4. a kind of absorbable annular space parting seal structure axially and radially expanded according to claim 1, special
Sign is that the first annular plate (5) and second annular slab (6) are an integral molding structure.
5. a kind of absorbable annular space parting seal structure axially and radially expanded according to claim 1, special
Sign is that the sealing structure further includes support annular gusset (10), and second annular slab (6) passes through the support circular bar
Plate (10) is connect with the inner wall of the outer cylinder (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811382997.6A CN109370663B (en) | 2018-11-20 | 2018-11-20 | Annular space separation sealing structure capable of absorbing axial and radial expansion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811382997.6A CN109370663B (en) | 2018-11-20 | 2018-11-20 | Annular space separation sealing structure capable of absorbing axial and radial expansion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109370663A true CN109370663A (en) | 2019-02-22 |
| CN109370663B CN109370663B (en) | 2024-03-19 |
Family
ID=65376558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811382997.6A Active CN109370663B (en) | 2018-11-20 | 2018-11-20 | Annular space separation sealing structure capable of absorbing axial and radial expansion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109370663B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460639A (en) * | 2020-10-27 | 2021-03-09 | 中国船舶重工集团公司第七0三研究所 | Elastic supporting structure for bidirectional expansion compensation of gas turbine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD136528A1 (en) * | 1978-05-17 | 1979-07-11 | Guenther Freiwald | COMPENSATOR FOR VERTICAL AND HORIZONTAL STRETCHING |
| CN101451704A (en) * | 2007-11-28 | 2009-06-10 | 中国恩菲工程技术有限公司 | Inlet sealing and connecting device for exhaust-heating boiler |
| KR20120040460A (en) * | 2010-10-19 | 2012-04-27 | 어수곤 | Expansion joint |
| US20130049354A1 (en) * | 2011-08-22 | 2013-02-28 | Victaulic Company | Expansion Joint |
| CN204437558U (en) * | 2015-01-29 | 2015-07-01 | 昆明锅炉有限责任公司 | With the low-pressure tube type waste heat steam boiler of expansion joint |
| CN204785170U (en) * | 2015-07-08 | 2015-11-18 | 河南昌茂供水设备有限公司 | Hinge rubber connector |
| CN205535729U (en) * | 2016-01-18 | 2016-08-31 | 无锡华光锅炉股份有限公司 | Exhaust -heat boiler's flexible sealing structure |
| CN209113825U (en) * | 2018-11-20 | 2019-07-16 | 宁夏神耀科技有限责任公司 | A kind of absorbable annular space parting seal structure axially and radially expanded |
-
2018
- 2018-11-20 CN CN201811382997.6A patent/CN109370663B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD136528A1 (en) * | 1978-05-17 | 1979-07-11 | Guenther Freiwald | COMPENSATOR FOR VERTICAL AND HORIZONTAL STRETCHING |
| CN101451704A (en) * | 2007-11-28 | 2009-06-10 | 中国恩菲工程技术有限公司 | Inlet sealing and connecting device for exhaust-heating boiler |
| KR20120040460A (en) * | 2010-10-19 | 2012-04-27 | 어수곤 | Expansion joint |
| US20130049354A1 (en) * | 2011-08-22 | 2013-02-28 | Victaulic Company | Expansion Joint |
| CN204437558U (en) * | 2015-01-29 | 2015-07-01 | 昆明锅炉有限责任公司 | With the low-pressure tube type waste heat steam boiler of expansion joint |
| CN204785170U (en) * | 2015-07-08 | 2015-11-18 | 河南昌茂供水设备有限公司 | Hinge rubber connector |
| CN205535729U (en) * | 2016-01-18 | 2016-08-31 | 无锡华光锅炉股份有限公司 | Exhaust -heat boiler's flexible sealing structure |
| CN209113825U (en) * | 2018-11-20 | 2019-07-16 | 宁夏神耀科技有限责任公司 | A kind of absorbable annular space parting seal structure axially and radially expanded |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460639A (en) * | 2020-10-27 | 2021-03-09 | 中国船舶重工集团公司第七0三研究所 | Elastic supporting structure for bidirectional expansion compensation of gas turbine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109370663B (en) | 2024-03-19 |
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