CN220396458U - High Wen Shu ash pipe sealing device - Google Patents
High Wen Shu ash pipe sealing device Download PDFInfo
- Publication number
- CN220396458U CN220396458U CN202322003212.2U CN202322003212U CN220396458U CN 220396458 U CN220396458 U CN 220396458U CN 202322003212 U CN202322003212 U CN 202322003212U CN 220396458 U CN220396458 U CN 220396458U
- Authority
- CN
- China
- Prior art keywords
- ring
- outer sleeve
- packing
- sleeve
- ash
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000007789 sealing Methods 0.000 title claims abstract description 45
- 238000012856 packing Methods 0.000 claims abstract description 48
- 230000006835 compression Effects 0.000 claims abstract description 37
- 238000007906 compression Methods 0.000 claims abstract description 37
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 9
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 9
- 239000010439 graphite Substances 0.000 claims abstract description 9
- 239000011248 coating agent Substances 0.000 claims abstract description 7
- 238000005461 lubrication Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 239000000945 filler Substances 0.000 abstract description 5
- 230000001050 lubricating effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 239000002956 ash Substances 0.000 description 21
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Sealing Devices (AREA)
Abstract
A high Wen Shu ash pipe sealing device comprises an inner sleeve, an outer sleeve, a filler supporting ring, a lower flange, a sealing packing, a compression ring, an upper flange, a tension spring, a graphite lubricating coating and an indicating ring, wherein the upper end of the inner sleeve is connected with an ash lock lower valve; the packing support ring is arranged inside the outer sleeve and fixedly connected with the outer sleeve, the upper port of the outer sleeve is fixedly connected with the lower flange, the lower port of the outer sleeve is fixedly connected with the ash conveying pipe, a plurality of sealing packing sets are wound in the spaces among the inner sleeve, the outer sleeve, the packing support ring and the compression ring, and a plurality of tension springs are uniformly distributed and fixed between the upper flange and the lower flange. The device adopts the tension spring to pull the compression ring to compress the sealing packing, so that the compression ring is ensured to be uniformly compressed on the sealing packing, and the structure is simple; the continuous pulling force provided by the tension spring ensures that the compression ring always applies pressure to the sealing packing, and even if the sealing packing is worn, good sealing effect can be achieved.
Description
Technical Field
The utility model relates to the technical field of pipeline sealing, in particular to a high Wen Shu ash pipeline sealing device.
Background
The coal-fired boiler, gasifier ash conveying pipe are located the disk seat department under the ash lock, because boiler operation cycle is long, temperature variation is big to cause ash conveying pipe deformation great, adopts at ash conveying pipe terminal installation metal ripple expansion joint in order to offset the axial deformation that ash conveying pipe produced in production operation more, but because boiler expansion coefficient is too big, leads to metal ripple expansion joint to make a round trip to stretch out and draw back extremely fragile. In addition, because the wall thickness of the metal corrugated expansion joint is thinner, when the ash lock lower valve is opened, a large amount of ash steam carries coal ash particles to cause corrosion and strong scouring on the inner wall of the metal corrugated expansion joint, so that pollution to the field environment caused by ash steam leakage due to perforation of the metal corrugated expansion joint is very easy to occur, normal production is influenced, and high-temperature gas causes damage to patrol personnel and operators, so that potential safety hazards exist.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a high Wen Shu ash pipeline sealing device.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a high Wen Shu ash pipe sealing device comprises an inner sleeve 1, an outer sleeve 2, a filler supporting ring 3, a lower flange 4, a sealing packing 5, a compression ring 6, an upper flange 7, a tension spring 8, a graphite lubricating coating 9 and an indicating ring 10.
The upper end of the inner sleeve 1 is connected with the ash lock lower valve, a compression ring 6 is sleeved outside the inner sleeve 1, the upper port of the compression ring 6 is fixedly connected with an upper flange 7, and an indicating ring 10 is sleeved outside the compression ring 6.
The packing support ring 3 is arranged inside the outer sleeve 2 and fixedly connected with the outer sleeve 2, the upper port of the outer sleeve 2 is fixedly connected with the lower flange 4, the lower port of the outer sleeve 2 is fixedly connected with the ash conveying pipe, a plurality of sealing packing 5 are wound around the space among the inner sleeve 1, the outer sleeve 2, the packing support ring 3 and the compression ring 6, graphite lubricating coating 9 is uniformly coated on the inner wall and the outer wall of the compression ring 6, and a plurality of tension springs 8 are uniformly distributed and fixed between the upper flange 7 and the lower flange 4.
Further, the inner diameter of the packing support ring 3 is larger than the outer diameter of the inner sleeve 1.
Further, the inner diameter of the compression ring 6 is larger than the outer diameter of the inner sleeve 1, and the outer diameter thereof is smaller than the inner diameter of the outer sleeve 2.
Further, the height of the compression ring 6 is larger than the distance between the packing support ring 3 and the upper port of the outer sleeve 2.
Further, at least four tension springs 8 are uniformly distributed around the compression ring 6, the tension force of each tension spring 8 is the same, and the initial length of each tension spring 8 is smaller than the distance between the upper flange 7 and the lower flange 4 when the bottom end of the compression ring 6 is in contact with the filler supporting ring 3.
Compared with the prior art, the high Wen Shu ash pipe sealing device provided by the utility model has the advantages that the tension spring 8 is adopted to pull the compression ring 6 to compress the sealing packing 5, so that the compression ring 6 is ensured to be uniformly compressed on the sealing packing 5 under the action of force, and the structure is simple; the sealing packing 5 is evenly arranged in the sealing area between the inner sleeve 1 and the outer sleeve 2, sealing is tight, the continuous pulling force provided by the tension spring 8 ensures that the compression ring 6 always applies pressure to the sealing packing 5, good sealing effect can be achieved even if the sealing packing 5 is worn, sealing performance of an ash conveying pipe is improved, working efficiency of an ash conveying system is improved, and environmental protection influence is reduced.
Drawings
Fig. 1 is a schematic view of a high Wen Shu gray pipe sealer according to the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a high Wen Shu ash pipe sealing device, which provides the following technical scheme: a high Wen Shu ash pipe sealing device comprises an inner sleeve 1, an outer sleeve 2, a filler supporting ring 3, a lower flange 4, a sealing packing 5, a compression ring 6, an upper flange 7, a tension spring 8, a graphite lubricating coating 9 and an indicating ring 10.
The upper end of the inner sleeve 1 is connected with the ash lock lower valve, a compression ring 6 is sleeved outside the inner sleeve 1, the upper port of the compression ring 6 is fixedly connected with an upper flange 7, and an indicating ring 10 is sleeved outside the compression ring 6.
The packing support ring 3 is arranged in the outer sleeve 2 and fixedly connected with the outer sleeve 2, the upper port of the outer sleeve 2 is fixedly connected with the lower flange 4, the lower port of the outer sleeve 2 is fixedly connected with the ash conveying pipe, a plurality of sealing packing 5 are wound around the space among the inner sleeve 1, the outer sleeve 2, the packing support ring 3 and the packing support ring 6, graphite lubricating coating 9 is uniformly coated on the inner wall and the outer wall of the packing support ring 6, four tension springs 8 are uniformly distributed and fixed between the upper flange 7 and the lower flange 4 and uniformly distributed around the packing support ring 6, the pulling force of each tension spring 8 is the same, and the initial length of each tension spring 8 is smaller than the distance between the upper flange 7 and the lower flange 4 when the bottom end of the packing support ring 6 is contacted with the packing support ring 3.
As a preferable scheme of the utility model, the inner sleeve 1 is made of hard high-temperature-resistant corrosion-resistant high-strength stainless steel, and is a seamless steel pipe with the specification of phi 168 multiplied by 9, the outer diameter of the inner sleeve 1 is 168mm, the inner diameter is 150mm, and the length is 15m.
As a preferable scheme of the utility model, the outer sleeve 2 is made of hard high-temperature-resistant corrosion-resistant high-strength stainless steel, the specification is a seamless steel pipe phi 198 multiplied by 9, the outer diameter of the outer sleeve 2 is 198mm, the inner diameter is 180mm, and the length is 5m; the packing support ring 3 is made of hard high-temperature-resistant corrosion-resistant high-strength stainless steel, avoids fracture in a high-temperature high-pressure environment, has a thickness of 20mm and an inner diameter of 170mm, has an outer diameter equal to the inner diameter of the outer sleeve 2 and is welded at a position 0.4m away from an upper port inside the outer sleeve 2; the lower flange 4 is made of hard high-temperature-resistant high-strength stainless steel, has a thickness of 20mm, has an inner diameter equal to that of the outer sleeve 2 and is fixed at the upper port of the outer sleeve 2; the sealing packing 5 is made of XHC-013 high-carbon fiber packing with the specification of 5X 5mm, has the advantages of high temperature resistance, corrosion resistance, low friction coefficient and good heat conduction performance, and is wound on the inner wall of the outer sleeve 2; the compression ring 6 is made of high-temperature-resistant, wear-resistant, corrosion-resistant and high-strength stainless steel, the seamless steel pipe with the specification of phi 179 multiplied by 9 has an inner diameter of 170mm, an outer diameter of 179mm and a length of 700mm, so that the compression ring can work normally under high-temperature and high-pressure environments, the inner wall and the outer wall of the compression ring 6 are coated with graphite lubrication coatings 9 with the same thickness, the thickness of the graphite lubrication coatings 9 is 0.2mm, and friction between the compression ring 6 and the inner sleeve 1 and the outer sleeve 2 is reduced; the upper flange 7 is made of hard high-temperature-resistant high-strength stainless steel, has a thickness of 20mm, has an inner diameter equal to that of the compression ring 6 and is fixed at the upper port of the compression ring 6; the four at least extension springs 8, extension spring 8 model is LIIIA5X125×46.3 GB/T2088, is made by high temperature resistant W18Cr4V material, reduces the influence of high temperature to extension spring 8 pulling force, extension spring 8 length is 250mm, and nominal diameter D is 5mm, and spring pitch diameter D is 25mm, and the pulling force of every extension spring 8 is the same, guarantees that clamp ring 6 atress is even to be pressed on seal packing 5, and extension spring 8 initial height is less than the distance between upper flange 7 and the lower flange 4 when clamp ring 6 bottom and packing support ring 2 contact, guarantees that seal packing 5 atress deformation always, realizes sealed effect.
The working principle and the using flow of the utility model are as follows: the first step is to lift the compression ring 6, and uniformly place a plurality of sealing packing 5 in the space among the inner sleeve 1, the outer sleeve 2, the filler supporting ring 3 and the compression ring 6; the second step presses the compression ring 6 onto the sealing packing 5, the third step connects the upper ends of a plurality of tension springs 8 fixed on the lower flange 4 with the upper flange 7, and the compression ring 6 always compresses the sealing packing 5 under the continuous and stable tension of the tension springs 8, so that the sealing packing 5 is deformed, and sealing is realized; because the sealing packing 5 is worn and thinned, the compression ring 6 gradually moves downwards under the action of the tension force of the tension spring 8, and when the indicating ring 10 on the compression ring 6 moves to the position of the lower flange 4, workers need to replace the sealing packing 5 in time.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high Wen Shu ash pipe sealing device, includes interior sleeve pipe (1), outer tube (2), packing support ring (3), lower flange (4), sealed packing (5), clamp ring (6), upper flange (7), extension spring (8), graphite lubrication coating (9), pilot ring (10), its characterized in that interior sleeve pipe (1) upper end links to each other with ash lock lower valve, interior sleeve pipe (1) outside cover has clamp ring (6), clamp ring (6) upper port and upper flange (7) rigid coupling, clamp ring (6) outside cover has pilot ring (10); the packing support ring (3) is arranged inside the outer sleeve (2) and fixedly connected with the outer sleeve, an upper port of the outer sleeve (2) is fixedly connected with the lower flange (4), a lower port of the outer sleeve (2) is fixedly connected with the ash conveying pipe, a plurality of sealing packing (5) are wound around a space between the inner sleeve (1), the outer sleeve (2), the packing support ring (3) and the compression ring (6), and a plurality of tension springs (8) are uniformly distributed and fixed between the upper flange (7) and the lower flange (4).
2. A high Wen Shu ash pipe sealing device according to claim 1, characterised in that the inner and outer walls of the clamp ring (6) are evenly coated with a graphite lubrication coating (9).
3. A high Wen Shu ash pipe sealing device according to claim 1, characterised in that the inner diameter of the packing support ring (3) is larger than the outer diameter of the inner sleeve (1).
4. A high Wen Shu ash pipe sealing device according to claim 1, characterised in that the inner diameter of the clamp ring (6) is larger than the outer diameter of the inner sleeve (1) and the outer diameter is smaller than the inner diameter of the outer sleeve (2).
5. A high Wen Shu ash pipe sealing device according to claim 1, characterised in that the height of the clamp ring (6) is greater than the distance between the packing support ring (3) and the upper port of the outer sleeve (2).
6. A high Wen Shu ash pipe sealing device according to claim 1, characterised in that the tension springs (8) are at least four and evenly distributed around the compression ring (6), the tension force of each tension spring (8) is the same, the initial length of the tension spring (8) is smaller than the distance between the upper flange (7) and the lower flange (4) when the bottom end of the compression ring (6) is in contact with the packing support ring (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322003212.2U CN220396458U (en) | 2023-07-28 | 2023-07-28 | High Wen Shu ash pipe sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322003212.2U CN220396458U (en) | 2023-07-28 | 2023-07-28 | High Wen Shu ash pipe sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220396458U true CN220396458U (en) | 2024-01-26 |
Family
ID=89609014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322003212.2U Active CN220396458U (en) | 2023-07-28 | 2023-07-28 | High Wen Shu ash pipe sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220396458U (en) |
-
2023
- 2023-07-28 CN CN202322003212.2U patent/CN220396458U/en active Active
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