CN112197256A - Tube plate connecting mechanism for waste heat boiler of sulfur recovery device - Google Patents
Tube plate connecting mechanism for waste heat boiler of sulfur recovery device Download PDFInfo
- Publication number
- CN112197256A CN112197256A CN202011078657.1A CN202011078657A CN112197256A CN 112197256 A CN112197256 A CN 112197256A CN 202011078657 A CN202011078657 A CN 202011078657A CN 112197256 A CN112197256 A CN 112197256A
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- China
- Prior art keywords
- tube plate
- tube
- waste heat
- recovery device
- connecting mechanism
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- 239000002918 waste heat Substances 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 title claims abstract description 21
- 238000011084 recovery Methods 0.000 title claims abstract description 20
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 19
- 239000011593 sulfur Substances 0.000 title claims abstract description 19
- 239000000919 ceramic Substances 0.000 claims abstract description 55
- 239000000835 fiber Substances 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 12
- 239000004570 mortar (masonry) Substances 0.000 claims description 5
- 210000000078 claw Anatomy 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 16
- 230000007547 defect Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 230000007774 longterm Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000005266 casting Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- F22B37/06—Flue or fire tubes; Accessories therefor, e.g. fire-tube inserts
-
- 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
- F22B37/36—Arrangements for sheathing or casing boilers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention relates to the technical field of lining equipment of waste heat boilers, and provides a tube plate connecting mechanism for a waste heat boiler of a sulfur recovery device, which comprises a furnace wall; the device comprises a tube plate arranged in a furnace wall and a plurality of industrial ceramic tubes inserted on the tube plate; the tube plate is formed by splicing a plurality of ferrules, and at least one industrial ceramic tube is inserted into each ferrule. The invention overcomes the defects of the prior art, has reasonable design and compact structure, solves the problems that the prior plate pipe structure is easy to generate gaps under the condition of long-term use, leads the industrial ceramic pipe to be loosened and affects the operation of a boiler, ensures that the plate pipe and the industrial ceramic pipe can be tightly connected through simple structural combination, improves the heat exchange effect, is convenient to replace and maintain and has strong practicability.
Description
Technical Field
The invention relates to the technical field of lining equipment of waste heat boilers, in particular to a tube plate connecting mechanism for a waste heat boiler of a sulfur recovery device.
Background
In industries such as sulfur recovery, petrochemical industry, electric power, environmental protection and the like, a shell-and-tube type waste heat boiler is widely applied as an important heat energy recovery device, wherein a tube plate is a key component of the shell-and-tube type waste heat boiler, particularly the tube plate at a high-temperature process gas inlet end, and the two sides of the tube plate bear large pressure and temperature loads, so that the tube plate not only needs to meet the strength requirement under the action of pressure, but also needs to meet the thermal stress caused by the thermal expansion difference between a shell and a tube bundle and the thermal stress requirement of the tube plate, and therefore, a thermal protection structure at the joint of the tube plate at the high-temperature process gas inlet end and a heat exchange tube.
Generally, the thermal protection structure is to arrange a high-temperature thermal insulation lining on one side of a tube plate arranged at the high-temperature process gas inlet end, and insert a protective sleeve into a heat exchange tube at the tube plate. For example, chinese patent CN201920411543.0 discloses a tube sheet protection device and a shell-and-tube type exhaust-heat boiler, which includes: a protective tube and a transition mechanism; the transition mechanism is arranged between the protective tube and the heat exchange tube at the tube plate and is used for communicating the protective tube with the heat exchange tube; the inner diameter of the protective tube is equal to that of the heat exchange tube.
The following problems are liable to occur in the process of practical use by adopting such a structural combination:
1. gaps are easily generated between the tube plates and the industrial ceramic tubes, so that the industrial ceramic tubes are loosened, and the operation of the boiler is influenced.
2. In case of the conventional tube plate connecting structure, the industrial ceramic tube is damaged, and the whole castable needs to be knocked off, so that the tube plate connecting structure can be maintained and replaced and is difficult to maintain.
3. And because need through connecting between protective tube, transition mechanism and the heat exchange tube just can improve the heat transfer effect, improved the installation degree of difficulty, in case moreover the dislocation appears, influence heat exchange efficiency.
Therefore, the tube plate connecting mechanism for the waste heat boiler of the sulfur recovery device is provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the tube plate connecting mechanism for the waste heat boiler of the sulfur recovery device, which overcomes the defects of the prior art, has reasonable design and compact structure, and solves the problem that the operation of the boiler is influenced because the industrial ceramic tube is loosened because gaps are easy to appear in the conventional tube plate structure under the condition of long-term use.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
a tube plate connecting mechanism for a sulfur recovery device waste heat boiler comprises a furnace wall;
the device comprises a tube plate arranged in a furnace wall and a plurality of industrial ceramic tubes inserted on the tube plate;
the tube plate is formed by splicing a plurality of ferrules, and at least one industrial ceramic tube is inserted into each ferrule.
Furthermore, the side wall of the tube plate is connected to the inner wall of the furnace wall through a pouring layer.
Further, a refractory mortar layer is arranged between two adjacent ferrules.
Furthermore, the inlet end of the tube plate is bent outwards to form a flange, and a groove corresponding to the flange is formed in the ferrule.
Furthermore, ceramic fiber paper is wound on the outer walls of the industrial ceramic tube and the ferrule, and the thickness of the ceramic fiber paper is 1-2 mm.
Furthermore, one end of the ferrule, which is far away from the flanging, is connected with a ceramic fiber blanket.
Furthermore, an annular ceramic fiber blanket is arranged between the pouring layer and the furnace wall, and the thickness of the ceramic fiber blanket is 5-30 mm.
Furthermore, a plurality of claw nails are arranged on the pouring layer.
Further, the length of the ferrule is greater than 5 cm.
(III) advantageous effects
The embodiment of the invention provides a tube plate connecting mechanism for a waste heat boiler of a sulfur recovery device. The method has the following beneficial effects:
1. the connection effect between the tube plate and the industrial ceramic tube is improved, gaps are reduced, the stability of the industrial ceramic tube is improved, and the operation effect of the boiler is improved. The length of the ferrule is larger than cm, so that the thickness of the tube plate is larger, the connection effect of the tube plate and the industrial ceramic tube can be improved, and the connection effect is improved. Ceramic fiber paper is wound on the outer wall of the industrial ceramic tube, the thickness of the ceramic fiber paper is 1-2mm, and the ceramic fiber paper can improve the connection effect of the industrial ceramic tube and the ferrule and prevent looseness.
2. Because the industrial ceramic tubes are arranged in the tube plates in a plugging mode, the industrial ceramic tubes are convenient to repair and replace when damaged.
3. Because the industrial ceramic tube of the through type is adopted for heat exchange, the mode of multistage butt joint is avoided, the heat exchange effect is improved, and the installation is more convenient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the tube sheet and industrial ceramic tube connection of the present invention;
fig. 3 is an enlarged schematic view of the structure a in fig. 1.
In the figure: the furnace comprises a furnace wall 1, a tube plate 2, a ferrule 2.1, an industrial ceramic tube 3, a refractory mortar layer 4, a pouring layer 5, a ceramic fiber blanket 6, ceramic fiber paper 7 and claw nails 8.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the attached figures 1-3, a tube plate connecting mechanism for a waste heat boiler of a sulfur recovery device comprises a furnace wall 1;
a tube plate 2 arranged in the furnace wall 1 and a plurality of industrial ceramic tubes 3 inserted on the tube plate 2;
the tube plate 2 is formed by splicing a plurality of ferrules 2.1, at least one industrial ceramic tube 3 is inserted into each ferrule 2.1, the industrial ceramic tubes 3 are inserted into the ferrules 2.1, then the ferrules 2.1 are spliced together, a modularized installation mode is adopted, the installation effect can be improved, meanwhile, when one industrial ceramic tube 3 is damaged, only the corresponding industrial ceramic tube 3 needs to be taken out and replaced, and the maintenance and replacement efficiency is improved.
In this embodiment, the industrial ceramic pipe of having adopted the through type carries out the heat transfer, has stopped the mode that adopts the multistage butt joint before, has improved the heat transfer effect, and it is more convenient to install simultaneously.
In the present embodiment, as shown in fig. 1, the side wall of the tube sheet 2 is connected to the inner wall of the furnace wall 1 through the casting layer 5, thereby improving the connection effect between the tube sheet 2 and the furnace wall 1.
In this embodiment, as shown in fig. 1 or 3, a refractory mortar layer 4 is disposed between two adjacent ferrules 2.1, and by disposing the refractory mortar layer 4, the stability of the tube plate 2 can be improved, and meanwhile, the direct burning of flames into the ferrules 2.1 is prevented, so that the service life is prolonged.
In this embodiment, as shown in fig. 2, the inlet end of the tube sheet 2 is bent outward to form a flange, and the ferrule 2.1 is provided with a groove corresponding to the flange, so as to prevent the tube sheet 2 from falling off from the ferrule 2.1, and the inlet end of the tube sheet 2 is also an inlet end of the air flow, so that the tube sheet 2 and the ferrule 2.1 can be connected more tightly by the air flow.
In this embodiment, as shown in fig. 2, the ceramic fiber paper 7 is wound around the outer walls of the industrial ceramic tube 3 and the ferrule 2.1, the thickness of the ceramic fiber paper 7 is 1-2mm, and by arranging the ceramic fiber paper 7, the connection effect between the industrial ceramic tube 3 and the ferrule 2.1 can be improved, so that looseness is prevented, and meanwhile, the connection effect between two adjacent ferrules 2.1 is improved, so that looseness is prevented.
In this embodiment, as shown in fig. 2, one end of the ferrule 2.1 away from the flange is connected with a ceramic fiber blanket 6, which has a heat insulation effect.
In the present embodiment, as shown in fig. 1 or 3, an annular ceramic fiber blanket 6 is provided between the casting layer 5 and the furnace wall 1, the ceramic fiber blanket 6 has a thickness of 5 to 30mm, and the ceramic fiber blanket 6 can insulate heat and reduce the surface temperature of the furnace wall 1.
In this embodiment, as shown in fig. 1 or 3, the plurality of nails 8 are provided on the casting layer 5, and the nails 8 can improve the stability of the casting layer 5.
In this embodiment, as shown in fig. 2, the length of the ferrule 2.1 is greater than 5cm, so that the thickness of the tube plate 2 is larger, the connection effect between the tube plate 2 and the industrial ceramic tube 3 can be improved, and the stability can be improved.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. A tube plate connecting mechanism for a sulfur recovery device waste heat boiler comprises a furnace wall;
the device comprises a tube plate arranged in a furnace wall and a plurality of industrial ceramic tubes inserted on the tube plate;
the method is characterized in that: the tube plate is formed by splicing a plurality of ferrules, and at least one industrial ceramic tube is inserted into each ferrule.
2. The tube plate connecting mechanism for the waste heat boiler of the sulfur recovery device according to claim 1, characterized in that: the side wall of the tube plate is connected to the inner wall of the furnace wall through a pouring layer.
3. The tube plate connecting mechanism for the waste heat boiler of the sulfur recovery device according to claim 1, characterized in that: and a refractory mortar layer is arranged between every two adjacent ferrules.
4. A tube sheet connecting mechanism for a waste heat boiler of a sulfur recovery device according to any one of claims 1 to 3, characterized in that: the inlet end of the tube plate is bent outwards to form a flange, and a groove corresponding to the flange is formed in the ferrule.
5. The tube plate connecting mechanism for the waste heat boiler of the sulfur recovery device according to claim 1, characterized in that: ceramic fiber paper is wound on the outer walls of the industrial ceramic tube and the ferrule, and the thickness of the ceramic fiber paper is 1-2 mm.
6. The tube plate connecting mechanism for the waste heat boiler of the sulfur recovery device, according to claim 4, is characterized in that: one end of the ferrule, which is far away from the flanging, is connected with a ceramic fiber blanket.
7. The tube plate connecting mechanism for the waste heat boiler of the sulfur recovery device, according to claim 2, is characterized in that: an annular ceramic fiber blanket is arranged between the pouring layer and the furnace wall, and the thickness of the ceramic fiber blanket is 5-30 mm.
8. The tube plate connecting mechanism for the waste heat boiler of the sulfur recovery device, according to claim 2, is characterized in that: and a plurality of claw nails are arranged on the pouring layer.
9. The tube plate connecting mechanism for the waste heat boiler of the sulfur recovery device according to claim 1, characterized in that: the length of the ferrule is greater than 5 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011078657.1A CN112197256A (en) | 2020-10-10 | 2020-10-10 | Tube plate connecting mechanism for waste heat boiler of sulfur recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011078657.1A CN112197256A (en) | 2020-10-10 | 2020-10-10 | Tube plate connecting mechanism for waste heat boiler of sulfur recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112197256A true CN112197256A (en) | 2021-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011078657.1A Pending CN112197256A (en) | 2020-10-10 | 2020-10-10 | Tube plate connecting mechanism for waste heat boiler of sulfur recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112197256A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201110535Y (en) * | 2007-10-31 | 2008-09-03 | 镇海石化工程有限责任公司 | Pipe sheet position structure of exhaust heat boiler |
| CN203628598U (en) * | 2013-12-17 | 2014-06-04 | 苏州海陆重工股份有限公司 | Waste heat boiler |
| CN205208053U (en) * | 2015-12-25 | 2016-05-04 | 哈尔滨锅炉厂有限责任公司 | Detachable heat exchanger pipe end heat -proof device |
| CN109579600A (en) * | 2018-12-27 | 2019-04-05 | 苏州海陆重工股份有限公司 | The gas inlet structure of multitubular boiler |
| CN209672922U (en) * | 2018-12-27 | 2019-11-22 | 苏州海陆重工股份有限公司 | The gas inlet structure of multitubular boiler |
-
2020
- 2020-10-10 CN CN202011078657.1A patent/CN112197256A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201110535Y (en) * | 2007-10-31 | 2008-09-03 | 镇海石化工程有限责任公司 | Pipe sheet position structure of exhaust heat boiler |
| CN203628598U (en) * | 2013-12-17 | 2014-06-04 | 苏州海陆重工股份有限公司 | Waste heat boiler |
| CN205208053U (en) * | 2015-12-25 | 2016-05-04 | 哈尔滨锅炉厂有限责任公司 | Detachable heat exchanger pipe end heat -proof device |
| CN109579600A (en) * | 2018-12-27 | 2019-04-05 | 苏州海陆重工股份有限公司 | The gas inlet structure of multitubular boiler |
| CN209672922U (en) * | 2018-12-27 | 2019-11-22 | 苏州海陆重工股份有限公司 | The gas inlet structure of multitubular boiler |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20211018 Address after: 214000 Zhangze village, Yipu Road, Dingshu Town, Yixing City, Wuxi City, Jiangsu Province Applicant after: Yixing Pengye refractory products Co.,Ltd. Applicant after: PetroChina Suining natural gas purification Co.,Ltd. Address before: 214000 Zhangze village, Yipu Road, Dingshu Town, Yixing City, Wuxi City, Jiangsu Province Applicant before: Yixing Pengye refractory products Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: No. 64, Dingjiawei, Shidang Village, Dingshu Town, Yixing City, Wuxi City, Jiangsu Province, 214000 Applicant after: Yixing Pengye refractory products Co.,Ltd. Applicant after: PetroChina Suining natural gas purification Co.,Ltd. Address before: 214000 Zhangze village, Yipu Road, Dingshu Town, Yixing City, Wuxi City, Jiangsu Province Applicant before: Yixing Pengye refractory products Co.,Ltd. Applicant before: PetroChina Suining natural gas purification Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210108 |