CN107062284A - Soft sealing type baffle ventilation door - Google Patents
Soft sealing type baffle ventilation door Download PDFInfo
- Publication number
- CN107062284A CN107062284A CN201710146015.2A CN201710146015A CN107062284A CN 107062284 A CN107062284 A CN 107062284A CN 201710146015 A CN201710146015 A CN 201710146015A CN 107062284 A CN107062284 A CN 107062284A
- Authority
- CN
- China
- Prior art keywords
- frame body
- passage
- ventilation door
- type baffle
- sealing type
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 55
- 238000009423 ventilation Methods 0.000 title claims abstract description 30
- 239000011324 bead Substances 0.000 claims abstract description 51
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000003546 flue gas Substances 0.000 claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 5
- 238000005096 rolling process Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 239000010425 asbestos Substances 0.000 claims description 5
- 229910052895 riebeckite Inorganic materials 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 7
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 239000012634 fragment Substances 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J13/00—Fittings for chimneys or flues
- F23J13/08—Doors or covers specially adapted for smoke-boxes, flues, or chimneys
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Flow Control Members (AREA)
Abstract
The invention discloses a kind of soft sealing type baffle ventilation door, including the frame body suitable for being connected with flue wall, the generally square in cross-section structure of frame body, middle part, which is formed, can lead to the passage of flue gas, multiple deep beads provided with control flue gas circulation in passage, multiple deep beads between main shaft and frame body by connecting, and main shaft can be followed to be rotated relative to frame body, when opening passage, deep bead rotates to the direction with cigarette parallel current, when closing passage, deep bead rotates to the direction vertical with flue gas stream, at least one in main shaft is driving shaft, remaining is driven shaft, provided with transmission mechanism and by transmission mechanism drive driven shaft rotation between driven shaft and driving shaft, the periphery of each deep bead is equipped with soft seal, when passage is closed, the inwall of soft seal and passage is brought into close contact.The present invention can play sealed effect of blocking to the flue gas in flue, and sealing effectiveness is not influenceed by flue-gas temperature.
Description
Technical field
The present invention relates to a kind of flue air door, in particular to a kind of soft sealing type baffle ventilation door.
Background technology
Air door is usually used in smoke wind pipe system, is used as completely cut off medium, with standard-sized sheet and fully closed function, can ensure that nothing
Dielectric leakage enters after gas baffle in pipeline, thus baffle ventilation door sealing be it is highly important, in the prior art, baffle plate
Air door realizes the sealing function of baffle ventilation door frequently with shell fragment and sealing air.
Using the sealing means of shell fragment, shell fragment is rigid member, and shell fragment easily receives the influence of temperature in pipeline and reduced
Deformation, so that cause deep bead to produce gap with inner-walls of duct, the characteristics of it adjusts gap size without flexibility so that close
Envelope property is bad, in addition, after deep bead is repeatedly opened and closed, shell fragment changes by multiple crimp coefficient of elasticity, fragile,
Replacing shell fragment is complex, and flue can not work during replacing, delays flue work so that equipment can not
Normal operation, loses time.
The sealing of baffle ventilation door is realized using sealing air, the flue-gas temperature being connected with due to baffle ventilation door side is relative to normal
Air themperature it is higher, therefore the sealing air being passed through requires heat to the temperature with the temperature close of flue gas in flue, prevents
Backstop aerofoil is deformed in the case where both sides temperature is different, and the temperature heated to sealing air is not easily controlled, it is difficult to
Realize that its temperature is identical with the temperature of flue gas, if it is not the same, then gear shrouding can produce certain diminution deformation, cause gear
The poor sealing of aerofoil, in addition, heating is carried out to sealing air to be needed to consume certain thermal source, therefore by the way of sealing air
Sealing is defective, and wastes certain energy.
The content of the invention
It is contemplated that solving one of above-mentioned technical problem to a certain extent.
In view of this, the invention provides a kind of soft sealing type baffle ventilation door, the baffle ventilation door can be in flue
Flue gas plays sealed effect of blocking, and sealing effectiveness is not influenceed by flue-gas temperature.
In order to solve the above technical problems, the present invention provides a kind of soft sealing type baffle ventilation door, including it is suitable to and flue
The frame body of wall connection, the generally square in cross-section structure of frame body, middle part forms to lead in the passage of flue gas, the passage and is provided with
Multiple deep beads of flue gas circulation are controlled, multiple deep beads, and can by being connected between main shaft and the frame body
Main shaft is followed to be rotated relative to the frame body, when opening the passage, the deep bead is rotated to and the flue gas levelling
Capable direction, when closing the passage, the deep bead is rotated in the direction vertical with the flue gas stream, the main shaft extremely
Few one is driving shaft, and remaining is driven shaft, provided with transmission mechanism and by the biography between the driven shaft and the driving shaft
Motivation structure drives the driven shaft to rotate, and the periphery of each deep bead is equipped with soft seal, is closed when the passage is in
During closed state, the inwall of the soft seal and the passage is brought into close contact.
Further, the frame body includes conduit wall and the connecting plate that can be connected with flue, and the connecting plate is set
At the two ends of the conduit wall.
Further, the deep bead includes blade, lower blade and middle reinforced rib, upper leaf piece and the lower blade
Cavity is formed after fastening, the main shaft is penetrated in the cavity, under the middle reinforced rib is connected to upper leaf piece and is described
Between blade, upper leaf piece and the lower blade are connected by the middle reinforced rib with the main shaft.
Further, the soft seal includes edge seal and end seal, and the edge seal is arranged on institute
The edge of blade and the lower blade is stated, the end seal is arranged on the end of upper leaf piece and the lower blade
Portion.
Further, the transmission mechanism includes crank, transmission arm and oscillating rod, and the crank is connected to the active shaft end
Portion, the oscillating rod is connected to the end of the driven shaft, and one end of the oscillating rod is passed with described crank one end by described
Swing arm is connected, and the driving shaft drives the crank to rotate, and the crank drives the oscillating rod to rotate by the transmission arm,
The oscillating rod drives the driven shaft to rotate.
Further, the end of the driving shaft is provided with the manual turbine mechanism that it can be driven to rotate.
Further, the junction of the driving shaft and the frame body is provided with rolling bearing, the driven shaft and the frame
The junction of support body is provided with rolling bearing.
Further, the junction of the driving shaft and the frame body is provided with axle envelope part, the driven shaft and the framework
The junction of body is provided with axle envelope part.
Further, the material of the soft seal is quality of rubber materials.
Further, the junction of the connecting plate and the conduit wall is provided with flange fastener and asbestos cord.
The technical effects of the invention are that：According to a kind of soft sealing type baffle ventilation door of the present invention, the baffle ventilation door includes
It is to be provided with deep bead in the passage of flue gas, passage in the middle part of frame body, frame body, deep bead can be rotated relative to frame body, work as gear
Aerofoil rotates to the direction with cigarette parallel current, and passage is in opening, when deep bead rotates to the side vertical with flue gas stream
To passage is closed, so as to realize the Truncation to flue gas in flue.
In addition, the periphery of deep bead is provided with soft seal, when passage is closed, between deep bead and conduit wall
Sealed by soft seal, there is soft seal certain elasticity can deform under the effect of the pressure, with certain flexibility
Change, under the extruding of conduit wall, soft seal is compressed, and is fitted tightly in vias inner walls, so as to realize sealing function.When logical
During flue gas, deformation is reduced because there is flue gas certain temperature can produce it, and because it has certain elasticity, original can be returned to
The position come, so as to be fitted tightly in vias inner walls, will not produce influence to its sealing effectiveness.
Brief description of the drawings
Fig. 1 is a kind of front view of soft sealing type baffle ventilation door according to an embodiment of the invention；
Fig. 2 is a kind of left view of soft sealing type baffle ventilation door according to an embodiment of the invention；
Fig. 3 is according to the sectional view in Fig. 1 at A-A.
Wherein：1- frame bodies；2- deep beads；3- main shafts；4- soft seals；5- passages；6- transmission mechanisms；The manual turbines of 7-
Mechanism；8- flange fasteners；11- connecting plates；12- conduit walls；13- connecting holes；21- blades；22- lower blades；Add in the middle of 23-
Strengthening tendons；24- edge seals；25- cavitys；31- driving shafts；32- driven shafts；41- edge seals；42- end seals；
61- cranks；62- transmission arms；63- oscillating rods；64- rolling bearings；65- rotational pins.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art can be with
It is better understood from the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
As shown in figure 1, a kind of soft sealing type baffle ventilation door provided according to the present invention, including suitable for connecting with flue wall
The frame body 1 connect, the generally square in cross-section structure of the frame body 1, middle part, which is formed, can lead to the passage 5 of flue gas, provided with control in passage 5
Multiple deep beads 2 of flue gas circulation, multiple deep beads 2 can follow main shaft 3 relative by being connected between main shaft 3 and frame body 1
Rotated in frame body 1, when opening passage 5, deep bead 2 rotates to the direction with cigarette parallel current, when closing passage 5, gear
Aerofoil 2 rotates at least one in the direction vertical with flue gas stream, main shaft 3 for driving shaft 31, and remaining is driven shaft 32, driven shaft
Transmission mechanism 6 is provided between 32 and driving shaft 31 and drives driven shaft 32 to rotate by transmission mechanism 6, the periphery of each deep bead 2
Soft seal 4 is equipped with, when passage 5 is closed, the inwall of soft seal 4 and passage 5 is brought into close contact.
According to a kind of soft sealing type baffle ventilation door of the present invention, the baffle ventilation door includes frame body 1, and the middle part of frame body 1 is
Deep bead 2 is provided with the passage of flue gas, passage 5, deep bead 2 can be rotated relative to frame body 1, when deep bead 2 is rotated to and cigarette
The direction of parallel current, passage 5 is in opening, and when deep bead 2 rotates to the direction vertical with flue gas stream, passage 5 is in
Closed mode, so as to realize the Truncation to flue gas in flue.
In addition, the periphery of deep bead 2 is provided with soft seal 4, when passage 5 is closed, deep bead 2 and conduit wall
Sealed between 12 by soft seal 4, there is soft seal 4 certain elasticity can deform under the effect of the pressure, with one
Fixed flexibility, under the extruding of conduit wall 12, soft seal 4 is compressed, and is fitted tightly on the inwall of passage 5, so as to realize
Sealing function.When logical flue gas, deformation is reduced because there is flue gas certain temperature can produce it, and because it has certain bullet
Property, original position can be returned to, so as to be fitted tightly on the inwall of passage 5, influence will not be produced on its sealing effectiveness.
As shown in Fig. 2 frame body 1 includes conduit wall 12 and the connecting plate 11 that can be connected with flue, connecting plate 11 is set
Put at the two ends of conduit wall 12, connecting plate 11 is provided with connecting hole 13, and connecting hole 13 is corresponding with the through hole on flue to be opened up,
The through hole penetrated by fastener on connecting hole 13 and flue effectively can link together connecting plate 11 and flue.
As shown in figure 3, deep bead 2 includes blade 21, lower blade 22 and middle reinforced rib 23, blade 21 and lower blade
22 fasten after form cavity 25, main shaft 3 penetrated in cavity 25, middle reinforced rib 23 be connected to blade 21 and lower blade 22 it
Between, blade 21 and lower blade 22 are connected by middle reinforced rib 23 with main shaft 3, and deep bead 2 can stop flue gas in flue
Circulation, blade 21 and lower blade 22 formation double-layer seal plate, improve the intensity of deep bead 2, improve making for deep bead 2
With the life-span, middle reinforced rib 23 is used to reinforce blade 21 and lower blade 22, makes blade 21 and lower blade 22 in flue
It is firmer under the pressure effect of middle flue gas.
According to the most preferred embodiment of the present invention, two groups of deep beads 2 are provided with frame body 1, so that suitable for fume pipe
Flue gas in road is blocked, and its sealing surface is less relative to more multigroup deep bead for two groups of deep beads 2, is more convenient sealing.
Soft seal 4 includes edge seal 41 and end seal 42, and edge seal 41 is arranged on the He of blade 21
The edge of lower blade 22, end seal 42 is arranged on the end of blade 21 and lower blade 22, and edge seal 41 is used for
Junction to deep bead 2 with passage 5 along its length is sealed, and end seal 42 is used for deep bead 2 and the edge of passage 5
The junction of width is sealed, and edge seal 41 and end seal 42 are sealed simultaneously, realize deep bead 2 and passage
Sealing function between 5 inwalls, so as to improve sealing effectiveness.
As shown in Fig. 2 transmission mechanism 6 includes crank 61, transmission arm 62 and oscillating rod 63, crank 61 is connected to driving shaft 31
End, oscillating rod 63 is connected to the end of driven shaft 32, and one end of oscillating rod 63 is connected with the one end of crank 61 by transmission arm 62,
Crank 61 is fixedly connected with driving shaft 31, and oscillating rod 63 is fixedly connected with driven shaft 32, and driving shaft 31 drives crank 61 to rotate, bent
Handle 61 drives oscillating rod 63 to rotate by transmission arm 62, and oscillating rod 63 drives driven shaft 32 to rotate, when rotating driving shaft 31, from
Moving axis 32 can drive it to rotate under the transmission of transmission mechanism 6, and driving shaft 31 and the rotation of driven shaft 32 can drive 2 turns of deep bead
It is dynamic.
As shown in Fig. 2 being connected between crank 61 and transmission arm 62 by rotational pin 65, between transmission arm 62 and oscillating rod 63
Connected, can be relatively rotated between crank 61 and cursor 62 by rotational pin 65, can be relative between transmission arm 62 and oscillating rod 63
Rotate.
As shown in figure 1, the end of driving shaft 31 is provided with the manual turbine mechanism 7 that it can be driven to rotate, manual turbine mechanism 7
Provided with handwheel, when manual rotation handwheel, the turbine in manual turbine mechanism 7 drives driving shaft 31 to rotate, so that deep bead 2
Open exhaust gases passes.
In addition, the junction of driving shaft 31 and frame body 1 is provided with rolling bearing 64, the connection of driven shaft 32 and frame body 1
Place is provided with rolling bearing 64, and rolling bearing 64 can reduce the frictional force between driving shaft 31 and frame body 1, while can reduce driven
Frictional force between axle 32 and frame body 1, so that rotating effortless during handwheel manually, reduces the labour of people.
According to a most preferred embodiment of the invention, the junction of driving shaft 31 and frame body 1 is provided with axle envelope part, driven shaft 32
Be provided with axle envelope part with the junction of frame body 1, sealing that axle envelope part is used between driving shaft 31 and frame body 1 and driven shaft 32 with
Sealing between frame body 1, prevents flue gas from driving shaft 31 with outflow in the gap that frame body 1 is connected and from driven shaft 32 and frame
Flowed out in the gap that support body 1 is connected, so as to improve the sealing effectiveness of the baffle ventilation door.
The material of soft seal 4 is quality of rubber materials, and quality of rubber materials has certain elasticity, and it is received during sealedly
To the crimp of the inwall of passage 5, it is fitted tightly on the inwall of passage 5, realizes sealing, its sealing effectiveness is not by the shadow of temperature
Ring, so that sealing effectiveness is more stable, reliable and safe.
As shown in figure 1, the junction of connecting plate 11 and conduit wall 12 is provided with flange fastener 8 and asbestos cord, flange fastening
Part 8 links together connecting plate 11 and conduit wall 12, asbestos cord be used for sealing between flange fastener 8 and connecting plate 11 with
And the sealing between flange fastener 8 and conduit wall 12, asbestos cord is with insulation, heat-insulated and sealed effect, achievable flange
Sealing between connection.
According to a kind of soft sealing type baffle ventilation door of the present invention, its operation principle is as follows：
Connecting plate 11 is connected to the end of flue by connector；
When needing to block flue gas circulation, handwheel is rotated, driving shaft 31 is rotated, and driven shaft 32 is rotated, deep bead 2, which is followed, to be turned
Dynamic, when deep bead 2 is vertical with flue gas circulating direction, stopped operating handwheel, and soft seal 4 is brought into close contact with the inwall of passage 5, real
The sealing of existing flue gas；
When needing to open exhaust gases passes 5, handwheel is rotated, driving shaft 31 is rotated, and driven shaft 32 is rotated, and deep bead 2 is followed
Rotate, when deep bead 2 is parallel with flue gas circulating direction, stop operating handwheel, and passage 5 is open-minded, and flue gas is passed to deep bead 2
Rear portion.
Embodiment described above is only the preferred embodiment to absolutely prove the present invention and being lifted, protection model of the invention
Enclose not limited to this.Equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, in the present invention
Protection domain within.Protection scope of the present invention is defined by claims.
Claims (10)
1. a kind of soft sealing type baffle ventilation door, including the frame body suitable for being connected with flue wall, the frame body is generally
Square structure, middle part, which is formed, can lead to the passage of flue gas, many provided with the multiple deep beads for controlling the flue gas circulation in the passage
The individual deep bead can follow main shaft to be rotated relative to the frame body by being connected between main shaft and the frame body, when
When opening the passage, the deep bead rotates to the direction with the cigarette parallel current, when closing the passage, the gear
Aerofoil rotates to the direction vertical with the flue gas stream, it is characterised in that at least one in the main shaft is driving shaft, and remaining is
Driven shaft, provided with transmission mechanism and by the transmission mechanism drive driven shaft turn between the driven shaft and the driving shaft
Dynamic, the periphery of each deep bead is equipped with soft seal, when the passage is closed, the soft seal with
The inwall of the passage is brought into close contact.
2. soft sealing type baffle ventilation door according to claim 1, it is characterised in that the frame body includes conduit wall and can
The connecting plate being connected with flue, the connecting plate is arranged on the two ends of the conduit wall.
3. soft sealing type baffle ventilation door according to claim 1, it is characterised in that the deep bead include blade, under
Blade and middle reinforced rib, upper leaf piece and the lower blade form cavity after fastening, and the main shaft is penetrated in the cavity,
The middle reinforced rib is connected between upper leaf piece and the lower blade, and upper leaf piece and the lower blade pass through described
Middle reinforced rib is connected with the main shaft.
4. soft sealing type baffle ventilation door according to claim 3, it is characterised in that the soft seal includes edge seal
Part and end seal, the edge seal are arranged on the edge of upper leaf piece and the lower blade, and the end is close
Sealing is arranged on the end of upper leaf piece and the lower blade.
5. soft sealing type baffle ventilation door according to claim 1, it is characterised in that the transmission mechanism includes crank, passed
Swing arm and oscillating rod, the crank are connected to the active shaft end, and the oscillating rod is connected to the end of the driven shaft, institute
The one end for stating oscillating rod is connected with described crank one end by the transmission arm, and the driving shaft drives the crank to rotate, institute
State crank drives the oscillating rod to rotate by the transmission arm, and the oscillating rod drives the driven shaft to rotate.
6. soft sealing type baffle ventilation door according to claim 1, it is characterised in that the end of the driving shaft is provided with and can driven
Move its manual turbine mechanism rotated.
7. soft sealing type baffle ventilation door according to claim 1, it is characterised in that the driving shaft and the frame body
Junction is provided with rolling bearing, and the junction of the driven shaft and the frame body is provided with rolling bearing.
8. soft sealing type baffle ventilation door according to claim 1, it is characterised in that the driving shaft and the frame body
Junction is provided with axle envelope part, and the junction of the driven shaft and the frame body is provided with axle envelope part.
9. soft sealing type baffle ventilation door according to claim 1, it is characterised in that the material of the soft seal is rubber
Material.
10. soft sealing type baffle ventilation door according to claim 2, it is characterised in that the connecting plate and the conduit wall
Junction be provided with flange fastener and asbestos cord.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710146015.2A CN107062284A (en) | 2017-03-13 | 2017-03-13 | Soft sealing type baffle ventilation door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710146015.2A CN107062284A (en) | 2017-03-13 | 2017-03-13 | Soft sealing type baffle ventilation door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107062284A true CN107062284A (en) | 2017-08-18 |
Family
ID=59621683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710146015.2A Pending CN107062284A (en) | 2017-03-13 | 2017-03-13 | Soft sealing type baffle ventilation door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107062284A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360143A (en) * | 2019-06-12 | 2019-10-22 | 国家能源集团宿迁发电有限公司 | A kind of double baffle doors of the self-priming self-sealing of passive delivery |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2573794Y (en) * | 2002-09-21 | 2003-09-17 | 无锡市华东电力设备有限公司 | Frame type air sealed single layer blade baffle |
| CN102297440A (en) * | 2011-07-15 | 2011-12-28 | 江苏南自通华电站辅机有限公司 | Desulfurizing air door for utilizing waste heat in positive and negative pressure flue |
| CN202229206U (en) * | 2011-08-04 | 2012-05-23 | 朱根龙 | Novel high-efficacy baffle air door |
| CN102635300A (en) * | 2012-04-19 | 2012-08-15 | 浙江天蓝环保技术股份有限公司 | Shutter baffle door provided with sealing device |
| CN206755206U (en) * | 2017-03-13 | 2017-12-15 | 江苏中热机械设备有限公司 | Soft sealing type baffle ventilation door |
-
2017
- 2017-03-13 CN CN201710146015.2A patent/CN107062284A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2573794Y (en) * | 2002-09-21 | 2003-09-17 | 无锡市华东电力设备有限公司 | Frame type air sealed single layer blade baffle |
| CN102297440A (en) * | 2011-07-15 | 2011-12-28 | 江苏南自通华电站辅机有限公司 | Desulfurizing air door for utilizing waste heat in positive and negative pressure flue |
| CN202229206U (en) * | 2011-08-04 | 2012-05-23 | 朱根龙 | Novel high-efficacy baffle air door |
| CN102635300A (en) * | 2012-04-19 | 2012-08-15 | 浙江天蓝环保技术股份有限公司 | Shutter baffle door provided with sealing device |
| CN206755206U (en) * | 2017-03-13 | 2017-12-15 | 江苏中热机械设备有限公司 | Soft sealing type baffle ventilation door |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360143A (en) * | 2019-06-12 | 2019-10-22 | 国家能源集团宿迁发电有限公司 | A kind of double baffle doors of the self-priming self-sealing of passive delivery |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170818 |