CN219035592U - Flue gas flashboard and flue gas control system - Google Patents
Flue gas flashboard and flue gas control system Download PDFInfo
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- CN219035592U CN219035592U CN202222556916.8U CN202222556916U CN219035592U CN 219035592 U CN219035592 U CN 219035592U CN 202222556916 U CN202222556916 U CN 202222556916U CN 219035592 U CN219035592 U CN 219035592U
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- valve plate
- lifting
- rolling
- smoke
- bearing support
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 239000003546 flue gas Substances 0.000 title claims abstract description 36
- 238000005096 rolling process Methods 0.000 claims abstract description 64
- 238000007789 sealing Methods 0.000 claims abstract description 48
- 239000000779 smoke Substances 0.000 claims abstract description 38
- 238000003780 insertion Methods 0.000 claims abstract description 9
- 230000037431 insertion Effects 0.000 claims abstract description 9
- 230000002457 bidirectional effect Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a smoke flashboard and a smoke control system. The flue gas flashboard comprises a shell, wherein two opposite sealing grooves are formed in the shell along the height direction of the shell; the valve plate is provided with rolling element mounting grooves at two ends, the rolling element mounting grooves are in insertion fit with the sealing grooves, first rolling elements are rotationally arranged in the rolling element mounting grooves, and the first rolling elements are in rolling fit with the sealing grooves; and the lifting mechanism is used for driving the valve plate to realize lifting motion along the sealing groove. In the lifting process of the valve plate, friction between the valve plate and the shell is rolling friction through the first rolling piece, compared with the existing structure mode that sliding friction is adopted by the flashboard and the shell, friction force between the valve plate and the shell is reduced, lifting driving force required by the valve plate is reduced, power requirements on a lifting mechanism are reduced, meanwhile, the occurrence of blocking phenomenon of the valve plate is reduced, and use reliability of the smoke flashboard is improved.
Description
Technical Field
The utility model relates to the technical field of flue gas flashboard, in particular to a flue gas flashboard and a flue gas control system.
Background
The flue gas flashboard is applied to flue gas pipelines of power plants, steel plants and the like in a large number and is used for isolating flue gas circulation. The existing flue gas flashboard is frequently stuck with the valve plate when in use, so that the normal use of the flue gas flashboard is affected, and the use reliability of the flue gas flashboard is reduced.
Therefore, how to improve the use reliability of the flue gas flashboard is a technical problem that needs to be solved by the person skilled in the art.
Disclosure of Invention
In view of the above, the present utility model is directed to a smoke gate to improve the reliability of the smoke gate.
In order to achieve the above object, the present utility model provides the following technical solutions:
a flue gas damper comprising:
the shell is provided with two opposite sealing grooves along the height direction of the shell;
the two ends of the valve plate are provided with rolling element mounting grooves which are in insertion fit with the sealing grooves, first rolling elements are rotationally arranged in the rolling element mounting grooves, and the first rolling elements are in rolling fit with the sealing grooves; and
and the lifting mechanism is used for driving the valve plate to realize lifting motion along the sealing groove.
Optionally, in the above flue gas flashboard, at least one side wall of the sealing groove is rotatably provided with a second rolling element, and an outer circumferential surface of the second rolling element is tangent to one side of the valve plate.
Optionally, in the above flue gas flashboard, the lifting mechanism includes a lifting screw rod and a lifting driving piece for driving the lifting screw rod to rotate, and a lifting nut is arranged on the valve plate and is in threaded fit with the lifting screw rod.
Optionally, in the above flue gas flashboard, the valve plate and the lifting screw rod are detachably connected together through a fixing plate and a fixing seat.
Optionally, in the above flue gas flashboard, a lifting mounting seat is detachably arranged at the top of the shell, and the lifting mounting seat is used for mounting the lifting mechanism.
Optionally, in the above flue gas flashboard, a bearing support is further provided at the top of the housing, a bidirectional thrust ball bearing for cooperating with the lifting mechanism is provided on the bearing support, and the bidirectional thrust ball bearing is connected with the bearing support through a bolt.
Optionally, in the above flue gas shutter, the bearing support is provided with a bearing seat cover plate, the bearing seat cover plate is detachably connected with the bearing support, and the bearing support is detachably connected with the housing.
Optionally, in the above flue gas shutter, a seal member is further included that is disposed between the housing and the valve plate.
Optionally, in the above flue gas shutter, a pressure sensor for detecting the tightness state of the seal member and an automatic tensioning device for automatically tensioning the seal member are further included.
A smoke control system comprising a smoke damper as described above.
When the smoke flashboard provided by the utility model is used, when the smoke flashboard is required to be opened, the valve plate is only required to be driven by the lifting mechanism to ascend along the sealing groove, so that a smoke circulation port is formed between the valve plate and the shell, and when the smoke flashboard is required to be closed, the valve plate is only required to be driven by the lifting mechanism to descend along the sealing groove, so that the valve plate is isolated from smoke circulation; because the two ends of the valve plate of the flue gas flashboard are provided with the rolling element mounting grooves, the rolling element mounting grooves are in insertion fit with the sealing grooves, mechanical sealing can be realized through the insertion fit of the sealing grooves and the rolling element mounting grooves, the sealing structure is simple, and the safety is high; and because the first rolling element is rotationally arranged in the rolling element mounting groove and is in rolling fit with the sealing groove, the friction between the valve plate and the shell is rolling friction in the lifting process through the first rolling element, compared with the traditional flashboard and the shell which adopt a sliding friction structure mode, the friction force between the valve plate and the shell is reduced, the lifting driving force required by the valve plate is reduced, so that the power requirement on a lifting mechanism is reduced, meanwhile, the occurrence of the blocking phenomenon of the valve plate is reduced, and the use reliability of the smoke flashboard is improved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a flue gas shutter according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a horizontal cross-section of a valve plate and housing mating portion according to an embodiment of the present utility model;
fig. 3 is a schematic diagram of a connection structure between a lifting screw and a valve plate according to an embodiment of the present utility model;
fig. 4 is a schematic view of an installation structure of a bearing support on a housing according to an embodiment of the present utility model;
fig. 5 is a schematic view of a mounting structure of a seal on a housing according to an embodiment of the present utility model.
Wherein 100 is a housing, 101 is a second rolling element, 200 is a valve plate, 201 is a first rolling element, 202 is a fixed plate, 2021 is a first bolt, 2022 is an elastic washer, 2023 is a flat washer, 2024 is a first nut, 203 is a fixed seat, 2031 is a second nut, 2032 is a round nut, 2033 is a stop washer, 2034 is a set screw, 2035 is a third nut, 300 is a lifting mechanism, 301 is a lifting screw rod, 302 is a lifting driving element, 400 is a bearing support, 401 is a bearing seat cover plate, 4011 is a second bolt, 4012 is an elastic washer, 4013 is a flat washer, 4014 is a fourth nut, 500 is a bidirectional thrust ball bearing, and 600 is a sealing element.
Detailed Description
In view of the above, the core of the present utility model is to provide a smoke gate to improve the reliability of the smoke gate.
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.
As shown in fig. 1 to 5, an embodiment of the present utility model discloses a smoke damper including a housing 100, a valve plate 200, and a lifting mechanism 300.
Wherein, the housing 100 is provided with two opposite sealing grooves along the height direction thereof; the two ends of the valve plate 200 are provided with rolling element mounting grooves which are in insertion fit with the sealing grooves, the rolling element mounting grooves are rotationally provided with first rolling elements 201, and the first rolling elements 201 are in rolling fit with the sealing grooves; lifting mechanism 300 is used to drive valve plate 200 to move up and down along the seal groove.
When the smoke flashboard provided by the utility model is used, when the smoke flashboard is required to be opened, the valve plate 200 is only required to be driven by the lifting mechanism 300 to ascend along the sealing groove, so that a smoke circulation port is formed between the valve plate 200 and the shell 100, and when the smoke flashboard is required to be closed, the valve plate 200 is only required to be driven by the lifting mechanism 300 to descend along the sealing groove, so that the valve plate 200 is isolated from smoke circulation; because the two ends of the valve plate 200 of the flue gas flashboard are provided with the rolling element mounting grooves, the rolling element mounting grooves are in insertion fit with the sealing grooves, mechanical sealing can be realized through the insertion fit of the sealing grooves and the rolling element mounting grooves, the sealing structure is simple, and the safety is high; moreover, because the first rolling element 201 is rotationally arranged in the rolling element mounting groove, the first rolling element 201 is in rolling fit with the sealing groove, so that the friction between the valve plate 200 and the shell 100 is rolling friction in the lifting process through the first rolling element 201, compared with the traditional valve plate and the shell 100 which adopt a sliding friction structure mode, the friction force between the valve plate 200 and the shell 100 is reduced, the lifting driving force required by the valve plate 200 is reduced, the power requirement on the lifting mechanism 300 is reduced, meanwhile, the occurrence of the blocking phenomenon of the valve plate 200 is reduced, and the use reliability of the smoke flashboard is improved.
It should be understood that when the rolling element installation groove is in insertion fit with the sealing groove, the two side walls of the rolling element installation groove can be inserted into the sealing groove, that is, the sealing groove is located at the outer side of the rolling element installation groove, or the two side walls of the sealing groove can be inserted into the rolling element installation groove, that is, the rolling element installation groove is located at the outer side of the sealing groove, so long as the structural mode can meet the use requirement is within the protection scope of the utility model; optionally, the rolling element installation groove provided by the embodiment of the utility model is inserted into the inner side of the sealing groove, so that the reinforcing plate is arranged on the outer side of the sealing groove, and interference between the reinforcing plate and the rolling element installation groove is prevented, and the sealing effect is prevented from being influenced.
In addition, the first rolling member 201 may be a rolling member of a roller, a ball, a roller, or the like, and any type of part capable of rolling and matching with the seal groove is within the scope of the present utility model; optionally, the first rolling element 201 provided in the embodiment of the present utility model is a first roller, which is convenient for installation.
Further, at least one side wall of the sealing groove is rotatably provided with a second rolling element 101, and an outer circumferential surface of the second rolling element 101 is tangent to one side of the valve plate 200, so that friction force between the valve plate 200 and the casing 100 is further reduced by rolling friction instead of sliding friction, occurrence of blocking phenomenon of the valve plate 200 is reduced, and use reliability of the flue gas flashboard is improved.
Similarly, the second rolling member 101 may be a rolling member of a roller, a ball or a roller, and any type of part capable of rolling fit with the seal groove is within the scope of the present utility model; optionally, the second rolling element 101 provided in the embodiment of the present utility model is a second roller, and a diameter specification of the second roller is smaller than a diameter specification of the first roller.
The lifting mechanism 300 provided by the utility model can be a screw lifting mechanism, an electric telescopic rod mechanism, a scissor lifting mechanism or the like, and any lifting mechanism capable of meeting the use requirement belongs to the protection scope of the utility model.
Specifically, the lifting mechanism 300 comprises a lifting screw rod 301 and a lifting driving member 302 for driving the lifting screw rod 301 to rotate, a lifting nut is arranged on the valve plate 200, the lifting nut is in threaded fit with the lifting screw rod 301, the lifting screw rod 301 is driven to rotate through the lifting driving member 302, and the lifting nut drives the valve plate 200 to perform lifting movement along with the rotation of the lifting screw rod 301, so that the flue gas flashboard is opened and closed.
As shown in fig. 3, valve plate 200 and lifting screw 301 are detachably coupled together by fixing plate 202 and fixing base 203 for easy installation and disassembly maintenance.
Specifically, valve plate 200 is connected with fixing plate 202 and fixing base 203 through first bolt 2021 and first nut 2024, so that valve plate 200 is detachably connected with fixing plate 202 and fixing block, in order to prevent loosening of connection, screw connection strength is improved, first nut 2024 is uniformly loaded, and first bolt 2021 is further provided with elastic washer 2022 and plain washer 2023; lifting screw 301 and fixing base 203 are connected through second nut 2031 and round nut 2032, set up stop washer 2033 simultaneously and prevent to connect not hard up, round nut 2032 and fixing base 203 are fixed through holding screw 2034 and third nut 2035, thereby make valve plate 200 and lifting screw 301 link together through fixed plate 202 and fixing base 203, all connect and all adopt bolted connection, make things convenient for the flue gas flashboard to overhaul and maintain, simultaneously, the loosening problem of bolted connection has not only been solved to round nut 2032 and stop washer 2033's use, and screw connection intensity has been improved, make round nut 2032 bear evenly, reduce the risk of taking place the permanent damage, the installation of being convenient for is dismantled, the suitability is good.
In addition, a lifting mounting seat is detachably provided at the top of the housing 100, and is used for mounting a driving member of the lifting mechanism 300, so that the lifting screw 301 is arranged along the height direction of the housing 100, and the valve plate 200 is lifted and moved along the height direction.
The top of the shell 100 is also provided with a bearing support 400, and the bearing support 400 is positioned below the lifting installation seat and is connected with the lifting installation seat through bolts, so that the later-stage overhaul and maintenance are facilitated; the bidirectional thrust ball bearing 500 matched with the lifting screw rod 301 of the lifting mechanism 300 is arranged on the bearing support 400, so that when the valve plate 200 is lifted, bidirectional axial load is born through the bidirectional thrust ball bearing 500, the stress requirements of the flue gas flashboard when the flue gas flashboard is opened and closed are met, and the bidirectional thrust ball bearing 500 is connected with the bearing support 400 through bolts, so that overhauling and maintenance can be conveniently carried out in the later stage.
Further, the bearing support 400 is provided with a bearing support cover plate 401, the bearing support cover plate 401 is detachably connected with the bearing support 400, and the bearing support 400 is detachably connected with the shell 100, so that when the bidirectional thrust ball bearing 500 needs to be overhauled or replaced, the bearing support cover plate 401 is detached, and after the overhauling or replacing is completed, the bearing support cover plate 401 is installed, so that the overhauling convenience of the bidirectional thrust ball bearing 500 is improved.
Specifically, as shown in fig. 4, the bearing housing cover 401 and the bearing housing 400 are coupled together by a second bolt 4011 and a fourth nut 4014, and an elastic washer 4012 and a flat washer 4013 are further provided to achieve thread looseness prevention.
The smoke damper provided by the utility model further comprises a sealing piece 600 arranged between the shell 100 and the valve plate 200, so that the sealing effect of the smoke damper is improved when the valve plate 200 is closed.
In addition, the flue gas flashboard further comprises a pressure sensor for detecting the tightness state of the sealing element 600 and an automatic tensioning device for automatically tensioning the sealing element 600, so that the tightness state of the sealing element 600 is monitored through the pressure sensor, and when the sealing element 600 loosens, the sealing element 600 is tensioned through the automatic tensioning device, so that the sealing reliability of the flue gas flashboard is improved.
In addition, the utility model also discloses a smoke control system which comprises the smoke flashboard, so that the smoke control system has all the technical effects of the smoke flashboard, and the smoke control system is not described in detail herein.
The terms first and second and the like in the description and in the claims and in the above-described figures are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to the listed steps or elements but may include steps or elements not expressly listed.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A flue gas flashboard, comprising:
the shell is provided with two opposite sealing grooves along the height direction of the shell;
the two ends of the valve plate are provided with rolling element mounting grooves which are in insertion fit with the sealing grooves, first rolling elements are rotationally arranged in the rolling element mounting grooves, and the first rolling elements are in rolling fit with the sealing grooves; and
and the lifting mechanism is used for driving the valve plate to realize lifting motion along the sealing groove.
2. The smoke damper of claim 1, wherein at least one side wall of said seal groove is rotatably provided with a second rolling member, an outer circumferential surface of said second rolling member being tangential to one side of said valve plate.
3. The flue gas flashboard of claim 1, wherein the lifting mechanism comprises a lifting screw and a lifting driving piece for driving the lifting screw to rotate, and a lifting nut is arranged on the valve plate and is in threaded fit with the lifting screw.
4. A smoke damper according to claim 3, wherein the valve plate and the lifting screw are detachably connected together by a fixing plate and a fixing base.
5. The smoke damper of claim 1, wherein the top of said housing is removably provided with a lifting mount for mounting said lifting mechanism.
6. The smoke gate of claim 1, wherein the top of the housing is further provided with a bearing support, the bearing support is provided with a bidirectional thrust ball bearing for cooperation with the lifting mechanism, and the bidirectional thrust ball bearing is connected with the bearing support through a bolt.
7. The smoke damper of claim 6, wherein said bearing support is provided with a bearing support cover plate, said bearing support cover plate being detachably connected to said bearing support, said bearing support being detachably connected to said housing.
8. The smoke damper of claim 1, further comprising a seal disposed between said housing and said valve plate.
9. The smoke damper of claim 8, further comprising a pressure sensor for detecting the tightness of said seal and an automatic tensioning device for automatically tensioning said seal.
10. A smoke control system comprising a smoke damper according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222556916.8U CN219035592U (en) | 2022-09-27 | 2022-09-27 | Flue gas flashboard and flue gas control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222556916.8U CN219035592U (en) | 2022-09-27 | 2022-09-27 | Flue gas flashboard and flue gas control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219035592U true CN219035592U (en) | 2023-05-16 |
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ID=86276277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222556916.8U Active CN219035592U (en) | 2022-09-27 | 2022-09-27 | Flue gas flashboard and flue gas control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219035592U (en) |
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2022
- 2022-09-27 CN CN202222556916.8U patent/CN219035592U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20240418 Address after: 361000, Building A, 7th Floor, No. 399 Information Optoelectronic Garden Road, Xiamen Torch High tech Zone, Huli District, Xiamen City, Fujian Province Patentee after: LONJING ENVIRONMENT TECHNOLOGY Co.,Ltd. Country or region after: China Address before: 361009 block a, 7 / F, No. 399, Guangdian Garden Road, torch hi tech Zone, Xiamen City, Fujian Province Patentee before: LONJING ENVIRONMENT TECHNOLOGY Co.,Ltd. Country or region before: China Patentee before: Handan Langjing Environmental Protection Technology Co.,Ltd. |