CN104964300B - A kind of baffle door for flue gas pipeline - Google Patents
A kind of baffle door for flue gas pipeline Download PDFInfo
- Publication number
- CN104964300B CN104964300B CN201510360639.5A CN201510360639A CN104964300B CN 104964300 B CN104964300 B CN 104964300B CN 201510360639 A CN201510360639 A CN 201510360639A CN 104964300 B CN104964300 B CN 104964300B
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- Prior art keywords
- plate
- baffle
- blade
- door
- door frame
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Abstract
The invention discloses a kind of baffle door for flue gas pipeline, it includes：Baffle plate door frame；Blade；Rotating shaft, is fixedly connected with blade, and is rotationally connected with baffle plate door frame；Elastic sealing device, elastic sealing device is sealedly connected on the surrounding on the inside of baffle plate door frame；Elastic sealing device includes：Closed plate, the section of closed plate is arc；One side of closed plate is connected with baffle door frame seal；Elastic bending plate, one side of elastic bending plate is connected with the another side of closed plate, and the another side of elastic bending plate is connected with baffle plate door frame.Baffle door advantage of the present invention is as follows：When blade is heated to be deformed upon, closed plate can rely on the elastic force that elastic bending plate is provided to compensate blade deformation, it is ensured that the sealing effectiveness of baffle door.On the other hand, supported by independent elastic bending plate by the closed plate of arc by section, be heated and long-term use during will not relax deformation, baffle door will not be caused to fail due to poorly sealed.
Description
Technical field
The invention belongs to flue gas pipeline technical field of sealing technology, more particularly to a kind of baffle door for flue gas pipeline.
Background technology
Baffle door is the equipment commonly used in cigarette air pipe line system, is widely used in building materials, metallurgy, power industry.How to make
It is puzzlement one technical task of technical staff that baffle door can for a long time keep tightness in use.Temperature in cigarette air pipe line
Higher, flue gas condition is complicated, and impurity is more in flue gas, therefore the tightness of baffle door is ensured under the conditions of suitable economic technology
With certain difficulty.With the raising of production technology level, the technical performance to baffle door proposes requirements at the higher level.Sealing can
Lean on, slip is low, switch is flexible, preferable heat-resistant deforming anti-corrosion capability all turns into the important performance of examination baffle door technical merit
Index.
Gas baffle door and sealing device are disclosed in the Chinese patent of Publication No. CN101216178A, with threeway cigarette
Road and the baffle door in flue, baffle door have sealing surface with the joint portion of flue, and baffle door is monolithic single-shaft configuration, door
Axle position is horizontally disposed in the top of baffle door；Sealing surface includes the elastic sheet metal and installation installed in baffle door both sides surrounding
In the metallic plate of the flue surrounding of baffle door mating surface, elastic sheet metal forms overlap joint fitted seal with metallic plate.
The baffle door of this structure forms overlap joint fitted seal, elasticity gold by elastic sheet metal and metallic plate when in use
Category piece be heated and long-term use during easily lax deformation, when causing baffle door to be closed elastic sheet metal and metallic plate it
Between there is gap, it is poorly sealed, cause baffle door to fail, the short life of baffle door.
The content of the invention
It is an object of the invention to provide a kind of baffle door for flue gas pipeline, with solve due in cigarette air pipe line temperature compared with
Height, flue gas condition is complicated, and impurity is more in flue gas, therefore the tightness tool of baffle door is ensured under the conditions of suitable economic technology
There is the technical problem of certain difficulty.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of baffle door for flue gas pipeline, it includes：
Baffle plate door frame, the baffle plate door frame is rectangle；
Blade, the blade is the rectangle of shape and the baffle door its adaptation；
Rotating shaft, the rotating shaft is fixedly connected with the blade, and is rotationally connected with the baffle plate door frame；
Elastic sealing device, elastic sealing device is sealedly connected on the surrounding on the inside of the baffle plate door frame；The elasticity
Sealing device includes：Closed plate, the section of the closed plate is arc；One side of the closed plate is close with the baffle plate door frame
Envelope connection；Elastic bending plate, one side of the elastic bending plate is connected with the another side of the closed plate, elastic bending plate it is another
While being connected with the baffle plate door frame；
When closing baffle door：Blade is set to be that axle is rotated with the rotating shaft, four sides of blade and the closing of elastic sealing device
Plate is in sealing contact；
When opening baffle door：Blade is set to be that axle is rotated with the rotating shaft, four sides of blade and the closing of elastic sealing device
Plate shape is into gap or opening.
The baffle door for being used for flue gas pipeline as described above of the invention, further, also including spring, the spring is arranged on
In the cavity that closed plate is surrounded with elastic bending plate, one end of spring contacts with closed plate, the other end and baffle door contact therewith.
The baffle door for being used for flue gas pipeline as described above of the invention, further, one side and the institute of the elastic bending plate
The another side for stating closed plate is tightly connected, and the another side of elastic bending plate is connected with the baffle door frame seal.
The of the invention as described above baffle door for being used for flue gas pipeline, further, the side of the rotating shaft and the blade
While being fixedly connected；Or, the rotating shaft is fixedly connected at the axis of the blade.
The baffle door for being used for flue gas pipeline as described above of the invention, further, the quantity of the spring is multiple, spring
Linearly it is spaced along closed plate length direction.
The baffle door for being used for flue gas pipeline as described above of the invention, further, the spring uses temperature to recommend highest
High temperature resistant compression spring of the degree more than 600 DEG C.
The baffle door for being used for flue gas pipeline as described above of the invention, further, also including stopping means, the spacing dress
Put and be fixed on the baffle plate door frame, for limiting the final position when blade is closed.
The beneficial effects of the invention are as follows：When baffle door is closed, blade is that axle is rotated with the rotating shaft, four sides of blade and bullet
The closed plate of property sealing device is in sealing contact.On the one hand, when blade is heated to be deformed upon, the closed plate energy of elastic sealing device
The enough elastic force provided by elastic bending plate is compensated to blade deformation, it is ensured that baffle door sealing effect under severe conditions
Really.On the other hand, supported by independent elastic bending plate by the closed plate of arc by section, be heated and long-term use
During will not relax deformation, baffle door will not be caused to fail due to poorly sealed, improve the service life of baffle door.
Brief description of the drawings
By the detailed description made in conjunction with the following drawings, of the invention above-mentioned and/or other aspects and advantage will become
Become apparent from and be easier to understand, these accompanying drawings are schematical, are not intended to limit the present invention, wherein：
Fig. 1 is the baffle door front schematic view for flue gas pipeline of an embodiment of the present invention；
Fig. 2 is the baffle door schematic top plan view for flue gas pipeline of an embodiment of the present invention；
Fig. 3 is the enlarged diagram at A positions in Fig. 2.
In accompanying drawing, the list of parts representated by each label is as follows：
1st, baffle plate door frame, 2, blade, 3, rotating shaft, 4, stopping means, 5, elastic sealing device, 51, closed plate, 52, bullet
Property bending plate, 53, spring.
Specific embodiment
Hereinafter, the embodiment of the baffle door for flue gas pipeline of the invention is described with reference to the accompanying drawings.
The embodiment recorded herein is specific specific embodiment of the invention, for illustrating design of the invention,
It is explanatory and exemplary, should not be construed as the limitation to embodiment of the present invention and the scope of the invention.Except what is recorded herein
Implement exception, those skilled in the art can also be based on the application claims and specification disclosure of that using aobvious
Other technical schemes being clear to, these technical schemes include any obvious using making for the embodiment to recording herein
The technical scheme of substitutions and modifications.
The accompanying drawing of this specification is schematic diagram, aids in illustrating design of the invention, it is schematically indicated the shape of each several part
And its correlation.Note that for the ease of clearly showing the structure of each part of the embodiment of the present invention, between each accompanying drawing
Do not drawn according to identical ratio.Identical reference marker is used to represent identical part.
Fig. 1 shows the baffle door for flue gas pipeline of an embodiment of the present invention, and it includes：
Baffle plate door frame 1, the baffle plate door frame 1 is rectangle；
Blade 2, the blade 2 is the rectangle that shape is adapted to the baffle plate door frame 1；
Rotating shaft 3, the rotating shaft 3 is fixedly connected with the blade 2, and is rotationally connected with the baffle plate door frame 1；
In specific preparation process, the through hole that rotating shaft passes through is provided on baffle plate door frame, rotating shaft sealing is connected to the through hole,
So as to realize the rotation of rotating shaft；
Elastic sealing device 5, elastic sealing device 5 is sealedly connected on the surrounding on the inside of the baffle plate door frame；The bullet
Property sealing device includes：Closed plate 51, the section of the closed plate is arc；One side of the closed plate and the baffle plate doorframe
Frame is tightly connected；Elastic bending plate 52, one side of the elastic bending plate is connected with the another side of the closed plate, elastic bending
The another side of plate is connected with the baffle plate door frame；As shown in figure 3, elastic bending plate using steel plate or other heat-resist cut just
The stronger sheet material of property, bending process is formed, and the effect of elastic bending plate is to provide the support force to closed plate, closes blade
When, blade surrounding can be in close contact with corresponding closed plate, realize sealing；
When closing baffle door：Blade is set to be that axle is rotated with the rotating shaft, four sides of blade and the closing of elastic sealing device
Plate is in sealing contact；
When opening baffle door：Blade is set to be that axle is rotated with the rotating shaft, four sides of blade and the closing of elastic sealing device
Plate shape is into gap or opening.
The advantage of the above embodiment of the present invention baffle door is：When baffle door is closed, blade is set to turn by axle of the rotating shaft
Dynamic, four sides of blade are in sealing contact with the closed plate of elastic sealing device.On the one hand, when blade is heated to be deformed upon, elasticity
The closed plate of sealing device can rely on the elastic force that elastic bending plate is provided to compensate blade deformation, it is ensured that sealing effectiveness.
On the other hand, supported by independent elastic bending plate by the closed plate of arc by section, be heated and long-term using
Will not relax deformation in journey, baffle door will not be caused to fail due to poorly sealed, improve the service life of baffle door.
During the use for the baffle door of flue gas pipeline of the above embodiment of the present invention, in order to prevent elastic bending
Plate be heated and long-term use during relax after deformation, it is impossible to the power needed for blade and closed plate are in close contact is provided, is entered
One ensures that the closed plate of blade is in sealing contact, to the further improvement of above-described embodiment：Elastic sealing device also includes spring 53, institute
Spring is stated in the cavity that closed plate is surrounded with elastic bending plate, one end of spring contacts with closed plate, the other end with keep off
Plate door frame is contacted.
In the specific manufacturing process of the baffle door for flue gas pipeline of the above embodiment of the present invention, the spring is to push away
Recommend high temperature resistant compression spring of the maximum operation (service) temperature more than 600 DEG C.For example, the material of the high temperature resistant compression spring is that CrSi is resistance to
High-temperature alloy material, CrV High-temperature resistant alloy materials or Inconel High-temperature resistant alloy materials.
In the baffle door for flue gas pipeline of the above embodiment of the present invention, when baffle door is closed, baffle plate door frame, envelope
Connection is sealed against each other between closing plate, blade three, sealing of the baffle door to flue gas pipeline is realized.But, when baffle plate door frame with
During seal failure between closed plate, sealing of the baffle door to flue gas pipeline is also just failed.It is right in order to prevent above mentioned problem from occurring
Above-described embodiment is further improved, and one side and the another side of the closed plate of the elastic bending plate are tightly connected, elasticity folding
The another side of bent plate is connected with the baffle door frame seal.
In the above-described embodiments, even if seal failure between baffle plate door frame and closed plate, due to baffle plate door frame, bullet
Property connection is sealed against each other between bending plate, closed plate, form second sealing defence line, realize baffle door to the close of flue gas pipeline
Envelope.
In the specific manufacturing process of the baffle door for flue gas pipeline of the above embodiment of the present invention, the rotating shaft and institute
The side for stating blade is fixedly connected, and is connected to baffle plate door frame by rotating shaft；Form the connection of similar door and doorframe.Or
Person, the rotating shaft is fixedly connected at the axis of the blade.
In the specific manufacturing process of the baffle door for flue gas pipeline of the above embodiment of the present invention, the spring 53
Quantity is multiple, and spring is linearly spaced along closed plate length direction.Elastic force of the quantity of spring according to needed for closed plate
It is determined, while being also considered as the elastic force that elastic bending plate is provided.
During the use for the baffle door of flue gas pipeline of the above embodiment of the present invention, in order that baffle door is closed
More convenient, to the further improvement of above-described embodiment, also including stopping means 4, the stopping means is fixed on the baffle plate doorframe
On frame, for limiting the final position when blade is closed.
Each technical characteristic of above-mentioned disclosure is not limited to disclosed and further feature combination, and those skilled in the art are also
Other combinations between each technical characteristic can be carried out according to the purpose of invention, is defined by the purpose for realizing the present invention.
Claims (7)
1. a kind of baffle door for flue gas pipeline, it is characterised in that including：
Baffle plate door frame, the baffle plate door frame is rectangle；
Blade, the blade is the rectangle of shape and the baffle door its adaptation；
Rotating shaft, the rotating shaft is fixedly connected with the blade, and is rotationally connected with the baffle plate door frame；
Elastic sealing device, elastic sealing device is sealedly connected on the surrounding on the inside of the baffle plate door frame；The elastic packing
Device includes：Closed plate, the section of the closed plate is arc；One side of the closed plate connects with the baffle door frame seal
Connect；Elastic bending plate, one side of the elastic bending plate is connected with the another side of the closed plate, the another side of elastic bending plate
It is connected with the baffle plate door frame；Spring, the spring is arranged in the cavity that closed plate is surrounded with elastic bending plate, spring
One end contacts with closed plate, the other end and baffle door contact therewith；
When closing baffle door：Blade is set to be rotated by axle of the rotating shaft, four sides of blade are close with the closed plate of elastic sealing device
Sealing-in is touched；
When opening baffle door：Blade is set to be that axle is rotated with the rotating shaft, four sides of blade and the closing plate shape of elastic sealing device
Into gap or opening；
One side of the elastic bending plate is tightly connected with the another side of the closed plate, the another side of elastic bending plate with it is described
Baffle door frame seal is connected.
2. the baffle door for flue gas pipeline according to claim 1, it is characterised in that the rotating shaft and the blade
One side is fixedly connected；Or, the rotating shaft is fixedly connected at the axis of the blade.
3. the baffle door for flue gas pipeline according to claim 2, it is characterised in that the quantity of the spring is many
Individual, spring is linearly spaced along closed plate length direction.
4. the baffle door for flue gas pipeline according to claim 2, it is characterised in that the spring makes to recommend highest
High temperature resistant compression spring with temperature more than 600 DEG C.
5. the baffle door for flue gas pipeline according to claim 3, it is characterised in that the spring makes to recommend highest
High temperature resistant compression spring with temperature more than 600 DEG C.
6. the baffle door for flue gas pipeline according to claim 2, it is characterised in that described also including stopping means
Stopping means is fixed on the baffle plate door frame, for limiting the final position when blade is closed.
7. the baffle door for flue gas pipeline according to claim 4, it is characterised in that described also including stopping means
Stopping means is fixed on the baffle plate door frame, for limiting the final position when blade is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510360639.5A CN104964300B (en) | 2015-06-26 | 2015-06-26 | A kind of baffle door for flue gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510360639.5A CN104964300B (en) | 2015-06-26 | 2015-06-26 | A kind of baffle door for flue gas pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104964300A CN104964300A (en) | 2015-10-07 |
| CN104964300B true CN104964300B (en) | 2017-06-16 |
Family
ID=54218353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510360639.5A Expired - Fee Related CN104964300B (en) | 2015-06-26 | 2015-06-26 | A kind of baffle door for flue gas pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104964300B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402750A (en) * | 2015-12-15 | 2016-03-16 | 北京赫宸环境工程股份有限公司 | Valve frame sealing damper |
| CN105444193A (en) * | 2015-12-16 | 2016-03-30 | 北京赫宸环境工程股份有限公司 | Pressure seal type baffle door |
| CN109163341B (en) * | 2018-09-27 | 2023-12-08 | 中国船舶重工集团公司第七0三研究所 | Gaseous medium guide vane with constraint fastening device |
-
2015
- 2015-06-26 CN CN201510360639.5A patent/CN104964300B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104964300A (en) | 2015-10-07 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170616 Termination date: 20200626 |