CN212081279U - Sealing device for denitration catalyst module of waste heat boiler - Google Patents
Sealing device for denitration catalyst module of waste heat boiler Download PDFInfo
- Publication number
- CN212081279U CN212081279U CN202020570831.3U CN202020570831U CN212081279U CN 212081279 U CN212081279 U CN 212081279U CN 202020570831 U CN202020570831 U CN 202020570831U CN 212081279 U CN212081279 U CN 212081279U
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- plate
- sealing plate
- sealing
- welded
- double
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- 238000007789 sealing Methods 0.000 title claims abstract description 98
- 239000003054 catalyst Substances 0.000 title claims abstract description 18
- 239000002918 waste heat Substances 0.000 title abstract description 8
- 238000003466 welding Methods 0.000 claims abstract description 9
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 238000005452 bending Methods 0.000 claims abstract description 4
- 239000000835 fiber Substances 0.000 claims description 8
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
- 238000004321 preservation Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The embodiment of the specification discloses a sealing device for a waste heat boiler denitration catalyst module. The device includes: first sealing plate, second sealing plate, L type corner board, wherein: the first sealing plate is divided into three planes by two bending lines, the two unconnected planes are mutually vertical, the second sealing plate is a square plate, and the length of the first sealing plate is equal to that of the second sealing plate; one side of the first sealing plate is welded with the inner heat-insulation protection plate, and the other side of the first sealing plate is lapped with the original sealing plate; wherein, the original sealing plate is a sealing device which is originally installed; one end of the first sealing plate is welded with the second sealing plate through double-sided fillet welding; the L-shaped corner plate is welded on the inner heat-insulation protection plate through a double-sided corner welding seam, the L-shaped corner plate is perpendicular to the second sealing plate, and the second sealing plate is located in a right angle of the inner side of the L-shaped corner plate.
Description
Technical Field
The specification relates to the electromechanical field, particularly, relates to a sealing device for exhaust-heat boiler denitration catalyst module.
Background
The sealing device that exhaust-heat boiler denitration catalyst module designed originally, because exhaust-heat boiler inner casing unevenness, after the operation of additional boiler, partial sealing device thermal stress warp, lead to former sealing device and inner casing clearance increase, the whole sealed not tight of catalyst module, denitration efficiency descends, and former sealing device and inner casing are that the right angle meets, and the flue gas resistance is big, and the water conservancy diversion effect is poor.
Disclosure of Invention
The embodiment of the specification provides a sealing device for a denitration catalyst module of a waste heat boiler, which is used for overcoming at least one technical problem in the prior art.
According to a first aspect of embodiments herein, there is provided a sealing device for a denitration catalyst module of a waste heat boiler, comprising: first sealing plate, second sealing plate, L type corner board, wherein:
the first sealing plate is divided into three planes by two bending lines, the two unconnected planes are mutually vertical, the second sealing plate is a square plate, and the length of the first sealing plate is equal to that of the second sealing plate;
one side of the first sealing plate is welded with the inner heat-insulation protection plate, and the other side of the first sealing plate is lapped with the original sealing plate; wherein, the original sealing plate is a sealing device which is originally installed;
one end of the first sealing plate is welded with the second sealing plate through double-sided fillet welding; the L-shaped corner plate is welded on the inner heat-insulation protection plate through a double-sided corner welding seam, the L-shaped corner plate is perpendicular to the second sealing plate, and the second sealing plate is located in a right angle of the inner side of the L-shaped corner plate.
Optionally, the apparatus includes a plurality of said L-turn panels, each of said L-turn panels being mounted at a distance apart.
Optionally, one end of the first sealing plate and the second sealing plate are welded by double fillet welding, and the height of the welding leg is 5 mm.
Optionally, the L-shaped corner plate is welded to the inner heat-insulating protection plate by a double-sided fillet weld, and the height of the fillet weld is 5 mm.
Optionally, the device further comprises an alumina silicate refractory fiber blanket installed in an area surrounded by the first sealing plate, the inner heat-preservation guard plate and the original sealing plate.
The beneficial effects of the embodiment of the specification are as follows:
this device is installed on former sealing device, can install in a flexible way, and first closing plate welds with interior heat preservation backplate, and second closing plate and L type corner board are mated again, reduce catalyst module and interior heat preservation backplate's clearance by a wide margin, have improved denitration efficiency, have improved environmental protection index, have reduced the denitration energy consumption. And the first sealing plate is an inclined guide plate, so that the smoke resistance can be reduced to the greatest extent, and the flow guide effect is achieved. And an aluminum silicate refractory fiber blanket is arranged in an area surrounded by the first sealing plate, the inner heat-insulating protection plate and the original sealing plate, so that the sealing property of the catalyst module can be ensured.
The innovation points of the embodiment of the specification comprise:
1. this device is installed on former sealing device, can install in a flexible way, and first closing plate welds with interior heat preservation backplate, and second closing plate and L type corner board are mated again, reduce catalyst module and interior heat preservation backplate's clearance by a wide margin, have improved denitration efficiency, have improved environmental protection index, have reduced the denitration energy consumption. And the first sealing plate is an inclined guide plate, so that the smoke resistance can be reduced to the greatest extent, and the guide effect is achieved, and the first sealing plate is one of the innovation points of the embodiment of the specification.
2. The sealing performance of the catalyst module can be ensured by installing the aluminum silicate refractory fiber blanket in the area surrounded by the first sealing plate, the inner heat-insulating protection plate and the original sealing plate, which is one of the innovation points of the embodiment of the specification.
Drawings
In order to more clearly illustrate the embodiments of the present specification or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present specification, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram illustrating a sealing device for a denitration catalyst module of a waste heat boiler according to an embodiment of the present disclosure;
in the figure, 101 is a first sealing plate, 102 is a second sealing plate, 103 is an L-shaped corner plate, and 104 is an aluminum silicate refractory fiber blanket.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments in the present specification without any inventive step are within the scope of the present specification.
It should be noted that the terms "including" and "having" and any variations thereof in the embodiments of the present specification and the drawings are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
The embodiment of the specification discloses a sealing device for a waste heat boiler denitration catalyst module.
The following are detailed below.
Fig. 1 is a schematic structural diagram illustrating a sealing device for a denitration catalyst module of a waste heat boiler according to an embodiment of the present disclosure. As shown in fig. 1, the apparatus includes: first sealing plate 101, second sealing plate 102, L type corner board 103 wherein: the first sealing plate 101 is divided into three planes by two bending lines, the two unconnected planes are perpendicular to each other, the second sealing plate 102 is a square plate, and the length of the first sealing plate 101 is equal to that of the second sealing plate 102; one side of the first sealing plate 101 is welded with the inner heat-insulation guard plate, and the other side of the first sealing plate is lapped with the original sealing plate; wherein, the original sealing plate is a sealing device which is originally installed; one end of the first sealing plate 101 is welded with the second sealing plate 102 through a double-sided fillet weld; the L-shaped corner plate 103 is welded on the inner heat-preservation protection plate through a double-sided corner welding seam, the L-shaped corner plate 103 is perpendicular to the second sealing plate 102, and the second sealing plate 102 is located in the right angle of the inner side of the L-shaped corner plate 103.
This device is installed on former sealing device, can install in a flexible way, and first closing plate 101 welds with interior heat preservation backplate, and second closing plate 102 and L type corner board 103 are mated again, reduce the clearance of catalyst module and interior heat preservation backplate by a wide margin, have improved denitration efficiency, have improved environmental protection index, have reduced the denitration energy consumption. And the first sealing plate 101 is an inclined guide plate, so that the smoke resistance can be reduced to the greatest extent, and the flow guide effect is achieved.
In a specific embodiment, the apparatus further comprises an alumina silicate refractory fiber blanket 104, wherein the alumina silicate refractory fiber blanket 104 is installed in the area enclosed by the first sealing plate 101, the inner heat-preservation protecting plate and the original sealing plate, and the alumina silicate refractory fiber blanket 104 is installed in the area enclosed by the first sealing plate 101, the inner heat-preservation protecting plate and the original sealing plate, so that the sealing performance of the catalyst module can be ensured.
Those of ordinary skill in the art will understand that: the figures are merely schematic representations of one embodiment, and the blocks or processes in the figures are not necessarily required to practice this description.
Those of ordinary skill in the art will understand that: modules in the devices in the embodiments may be distributed in the devices in the embodiments according to the description of the embodiments, or may be located in one or more devices different from the embodiments with corresponding changes. The modules of the above embodiments may be combined into one module, or further split into multiple sub-modules.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solutions of the present specification, and not to limit them; although the present description has been described in detail with reference to the foregoing embodiments, it should 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 the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present specification.
Claims (5)
1. A sealing device for exhaust-heat boiler denitration catalyst module, characterized by comprising: first sealing plate, second sealing plate, L type corner board, wherein:
the first sealing plate is divided into three planes by two bending lines, the two unconnected planes are mutually vertical, the second sealing plate is a square plate, and the length of the first sealing plate is equal to that of the second sealing plate;
one side of the first sealing plate is welded with the inner heat-insulation protection plate, and the other side of the first sealing plate is lapped with the original sealing plate; wherein, the original sealing plate is a sealing device which is originally installed;
one end of the first sealing plate is welded with the second sealing plate through double-sided fillet welding; the L-shaped corner plate is welded on the inner heat-insulation protection plate through a double-sided corner welding seam, the L-shaped corner plate is perpendicular to the second sealing plate, and the second sealing plate is located in a right angle of the inner side of the L-shaped corner plate.
2. The apparatus of claim 1, wherein said apparatus includes a plurality of said L-turn panels, each of said L-turn panels being mounted at a distance.
3. The apparatus of claim 1, wherein the first seal plate is welded at one end to the second seal plate with a double fillet weld having a fillet height of 5 mm.
4. The apparatus according to claim 1, wherein the L-shaped corner plate is welded to the inner insulating cover sheet by a double fillet weld, and the fillet height is 5 mm.
5. The apparatus of claim 1, further comprising an alumina silicate refractory fiber blanket mounted within an area enclosed by the first seal plate, the inner insulating shield, and the primary seal plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020570831.3U CN212081279U (en) | 2020-04-16 | 2020-04-16 | Sealing device for denitration catalyst module of waste heat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020570831.3U CN212081279U (en) | 2020-04-16 | 2020-04-16 | Sealing device for denitration catalyst module of waste heat boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212081279U true CN212081279U (en) | 2020-12-04 |
Family
ID=73594027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020570831.3U Withdrawn - After Issue CN212081279U (en) | 2020-04-16 | 2020-04-16 | Sealing device for denitration catalyst module of waste heat boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212081279U (en) |
-
2020
- 2020-04-16 CN CN202020570831.3U patent/CN212081279U/en not_active Withdrawn - After Issue
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20201204 Effective date of abandoning: 20231225 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20201204 Effective date of abandoning: 20231225 |