CN211952811U - Airtight flue gas baffle door - Google Patents
Airtight flue gas baffle door Download PDFInfo
- Publication number
- CN211952811U CN211952811U CN202020207702.8U CN202020207702U CN211952811U CN 211952811 U CN211952811 U CN 211952811U CN 202020207702 U CN202020207702 U CN 202020207702U CN 211952811 U CN211952811 U CN 211952811U
- Authority
- CN
- China
- Prior art keywords
- door
- flue gas
- frame
- smoke
- baffle door
- 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.)
- Expired - Fee Related
Links
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 239000003546 flue gas Substances 0.000 title claims abstract description 40
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 239000000779 smoke Substances 0.000 claims description 30
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
Images
Landscapes
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The utility model provides an airtight flue gas damper, includes the frame, and the frame divide into the board door that the left side is sealed and holds the district and the board door shutoff district on right side, is provided with the special slot around the exhaust port round on the inboard frame all around of exhaust port, and the embedding has the expandable silicone tube that can closely contact with flue gas damper after the round inflation in the special slot, and expandable silicone tube is connected with aerating device or water filling device, and the frame edge is sealed to wrap there is the housing. The utility model has the advantages that: the utility model has reasonable structure design, flexible opening and closing and simple operation, when the flue damper is opened, no projection is arranged in the flue, and the resistance is low; when the flue damper door is closed, the flue realizes reliable airtight sealing through the airtight structure. Can be controlled fully automatically, and is safe and reliable.
Description
Technical Field
The utility model relates to a belong to flue gas treatment equipment technical field, in particular to airtight flue gas damper.
Background
At present, the flue gas damper is mainly used on an inlet and an outlet of an absorption tower or a bypass flue of a flue gas desulfurization system, is used for isolating flue gas circulation, and is widely applied to various industries such as electric power, chemical industry, petroleum, metallurgy and the like. The flue gas in the flue contains a large amount of pollutants, and the pollutants cannot be leaked into the atmosphere under any working condition of unit operation. In many engineering examples, the flue gas damper has the phenomenon of flue gas anti-channeling caused by simple and crude structure and poor sealing, and brings great hidden trouble to the operation management of the unit.
Disclosure of Invention
For solving above technical not enough, the utility model provides a can be automatic totally inclosed airtight flue gas flapper door, but full automatic control can realize the airtight seal of flue.
The utility model discloses a realize through following measure:
a closed flue gas baffle door comprises a rectangular frame, wherein the frame is divided into a plate door accommodating area with a closed left side and a plate door blocking area with a closed right side, smoke outlets are arranged on the frames on the front side and the rear side of the plate door blocking area, an accommodating cavity communicated with the plate door accommodating area and the plate door blocking area is arranged in the frame, a flue gas baffle door capable of sliding left and right between the plate door accommodating area and the plate door blocking area is arranged in the accommodating cavity, the flue gas baffle door is connected with a driving device, the width of the smoke outlet is smaller than that of the flue gas baffle door, the height of the smoke outlet is smaller than that of the flue gas baffle door, a special groove surrounding the smoke outlet is arranged on the frame on the periphery of the inner side of the smoke outlet, a circle of expandable silica gel tube capable of being in close contact with the flue gas baffle door after being expanded is embedded in the special groove, and the expandable silica gel tube, the frame edge seal wraps a cover shell.
The middle of the top of the frame is provided with a rotary pin wheel, the rotary pin wheel is in driving connection with a linear pin tooth which is positioned above the accommodating cavity and can move left and right between the plate door accommodating area and the plate door plugging area, the lower part of the right end of the linear pin tooth is connected with a smoke baffle door, and the rotary pin wheel is in driving connection with an electric actuating mechanism.
The top of the frame is provided with an integrated automatic inflating pump, the integrated automatic inflating pump is connected with an expandable silicone tube through a pipeline, and the pipeline is provided with a three-way pneumatic reversing valve.
One end of the expandable silicone tube is connected with the water filling device through a water inlet pipe, the other end of the expandable silicone tube is connected with a water drainage pipe, and electromagnetic valves are arranged on the water inlet pipe and the water drainage pipe.
The smoke baffle door comprises a hollow shell, wherein a supporting plate is arranged inside the hollow shell, and the hollow shell is made of a smooth steel plate.
The bottom of the smoke baffle door is provided with wheels which can roll left and right along the bottom of the accommodating cavity.
The utility model has the advantages that: the utility model has reasonable structure design, flexible opening and closing and simple operation, when the flue damper is opened, no projection is arranged in the flue, and the resistance is low; when the flue damper door is closed, the flue realizes reliable airtight sealing through the airtight structure. Can be controlled fully automatically, and is safe and reliable.
Drawings
Fig. 1 is a schematic plan view of the present invention;
fig. 2 is a schematic sectional structure of the present invention;
in the figure, a frame 1, a smoke damper 2, an electric actuator 3, a rotary pin wheel 4, a linear pin tooth 5, a suspension mechanism 6, an integrated automatic inflator pump 7, a three-way pneumatic reversing valve 8, an expandable silicone tube 9, a special groove 10 and a housing 11 are arranged.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
as shown in fig. 1 and 2, a closed flue gas damper door comprises a rectangular frame 1, wherein the frame 1 is divided into a plate door accommodating area with a closed left side and a plate door blocking area with a closed right side, the frames 1 on the front side and the rear side of the plate door blocking area are provided with smoke outlets, a accommodating cavity communicating the plate door accommodating area and the plate door blocking area is arranged in the frame 1, a flue gas damper door 2 capable of sliding left and right between the plate door accommodating area and the plate door blocking area is arranged in the accommodating cavity, the flue gas damper door 2 is connected with a driving device, the width of the smoke outlet is smaller than that of the flue gas damper door 2, the height of the smoke outlet is smaller than that of the flue gas damper door 2, a circle of special grooves 10 surrounding the smoke outlet is arranged on the frame 1 on the periphery of the inner side of the smoke outlet, and a circle of expandable silicone tube 9 capable of being in close contact with the flue gas damper door 2 after expansion, the expandable silicone tube 9 is connected with an inflating device or a water filling device, and the edge of the frame 1 is hermetically wrapped with a cover shell 11.
The middle of the top of the frame 1 is provided with a rotary pin wheel 4, the rotary pin wheel 4 is in driving connection with a linear pin tooth 5 which is positioned above the accommodating cavity and can move left and right between the plate door accommodating area and the plate door plugging area, the lower part of the right end of the linear pin tooth 5 is connected with a smoke baffle door 2 through a suspension mechanism 6, and the rotary pin wheel 4 is in driving connection with an electric actuating mechanism 3.
The top of the frame 1 is provided with an integrated automatic inflator pump 7, the integrated automatic inflator pump 7 is connected with an expandable silicone tube 9 through a pipeline, and the pipeline is provided with a three-way pneumatic reversing valve 8. One end of the expandable silicone tube 9 is connected with a water filling device through a water inlet tube, the other end of the expandable silicone tube 9 is connected with a water drainage tube, and electromagnetic valves are arranged on the water inlet tube and the water drainage tube. The flue gas baffle door 2 comprises a hollow shell, wherein a supporting plate is arranged inside the hollow shell, and the hollow shell is made of smooth steel plates. The bottom of the flue gas baffle door 2 is provided with wheels which can roll left and right along the bottom of the accommodating cavity. The action of the airtight flue gas baffle door 2 is controlled by an intelligent MCU.
When the flue gas baffle door 2 is opened, no protrusion is arranged in the flue, and the flue gas baffle door 2 is positioned in the board door accommodating area with the left side closed and is positioned in the closed space formed by the housing 11, so that the leakage of flue gas is avoided. The expandable silicone tube 9 in the special groove 10 is communicated with the atmosphere and is in a non-pressure state.
When the flue gas damper door 2 is closed, the electric actuator 3 fixed on the frame 1 provides power for the rotating pin wheel 4, and the rotating pin wheel 4 is meshed with the linear pin teeth 5 to move the flue gas damper door 2 to the right plate door sealing area, so that the damper door can close the flue. When the smoke damper door 2 is closed in place, the expandable silicone tube 9 in the special groove 10 is connected with the integrated automatic inflator pump 7, the integrated automatic inflator pump 7 inflates and pressurizes the expandable silicone tube 9, and the expandable silicone tube 9 expands by 4-8mm under internal pressure and is tightly attached to the smoke damper door 2, so that reliable airtight sealing is realized.
The pressure gas in the expandable silicone tube 9 of the utility model can be replaced by pressure water flow. When the pressurized water flow is adopted, the integrated automatic inflating pump 7 and the three-way pneumatic reversing valve 8 are omitted, two ends of the expandable silicone tube 9 penetrate out of the lowest end of the housing 11, one end of the expandable silicone tube is connected with a water filling device meeting the pressure requirement, the other end of the expandable silicone tube is connected with a water drainage pipe, and electromagnetic valves are arranged at the two ends of the expandable silicone tube. The operation of the closed flue gas damper door 2 is controlled by an intelligent MCU.
The foregoing is only a preferred embodiment of this patent, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of this patent, and these modifications and substitutions should also be regarded as the protection scope of this patent.
Claims (6)
1. The utility model provides a airtight flue gas damper, includes rectangular frame, its characterized in that: the frame is divided into a plate door accommodating area with a closed left side and a plate door plugging area with a closed right side, smoke outlets are arranged on the frames at the front side and the rear side of the plate door plugging area, an accommodating cavity communicated with the plate door accommodating area and the plate door plugging area is arranged in the frame, a smoke baffle plate door which can slide left and right between the plate door accommodating area and the plate door plugging area is arranged in the accommodating cavity, the smoke baffle door is connected with a driving device, the width of the smoke outlet is smaller than that of the smoke baffle door, the height of the smoke outlet is smaller than that of the smoke baffle door, a special groove which surrounds the smoke outlet in a circle is arranged on a frame on the periphery of the inner side of the smoke outlet, a circle of expandable silicone tube which can be closely contacted with the smoke baffle door after being expanded is embedded in the special groove, the inflatable silicone tube is connected with an inflating device or a water filling device, and the edge of the frame is wrapped with a housing in a sealing mode.
2. The encapsulated flue gas baffle door of claim 1, wherein: the middle of the top of the frame is provided with a rotary pin wheel, the rotary pin wheel is in driving connection with a linear pin tooth which is positioned above the accommodating cavity and can move left and right between the plate door accommodating area and the plate door plugging area, the lower part of the right end of the linear pin tooth is connected with a smoke baffle door, and the rotary pin wheel is in driving connection with an electric actuating mechanism.
3. The encapsulated flue gas baffle door of claim 1, wherein: the frame top is provided with integrated form automatic inflator pump, the automatic inflator pump of integrated form passes through the pipeline and connects expandable silicone tube, be provided with the pneumatic switching-over valve of tee bend on the pipeline.
4. The encapsulated flue gas baffle door of claim 1, wherein: one end of the expandable silicone tube is connected with the water filling device through a water inlet tube, the other end of the expandable silicone tube is connected with a water drainage tube, and electromagnetic valves are arranged on the water inlet tube and the water drainage tube.
5. The encapsulated flue gas baffle door of claim 1, wherein: the smoke baffle door comprises a hollow shell, wherein a supporting plate is arranged inside the hollow shell, and the hollow shell is made of smooth steel plates.
6. The encapsulated flue gas baffle door of claim 5, wherein: and wheels capable of rolling left and right along the bottom of the accommodating cavity are arranged at the bottom of the smoke baffle door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020207702.8U CN211952811U (en) | 2020-02-25 | 2020-02-25 | Airtight flue gas baffle door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020207702.8U CN211952811U (en) | 2020-02-25 | 2020-02-25 | Airtight flue gas baffle door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211952811U true CN211952811U (en) | 2020-11-17 |
Family
ID=73195149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020207702.8U Expired - Fee Related CN211952811U (en) | 2020-02-25 | 2020-02-25 | Airtight flue gas baffle door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211952811U (en) |
-
2020
- 2020-02-25 CN CN202020207702.8U patent/CN211952811U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201117 Termination date: 20210225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |