CN214198727U - Flue sealing baffle door - Google Patents
Flue sealing baffle door Download PDFInfo
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- CN214198727U CN214198727U CN202022199469.6U CN202022199469U CN214198727U CN 214198727 U CN214198727 U CN 214198727U CN 202022199469 U CN202022199469 U CN 202022199469U CN 214198727 U CN214198727 U CN 214198727U
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Abstract
The utility model belongs to the technical field of flue gas purification, and relates to a flue sealing baffle door, which comprises a shell, a plurality of baffle shafts arranged in the shell side by side, and blades arranged on the baffle shafts, wherein each blade comprises two surfaces which are oppositely arranged; the face comprises a bending section, and the bending section divides the face into a first face and a second face; the bending radian of the bending section is matched with the radian of the baffle shaft; the blades are arranged on the baffle shaft through curved surface spaces formed by bending sections on two oppositely arranged surfaces; the first surface and the second surface have different projection lengths. The sealing baffle door can effectively solve the problem that the baffle door is difficult to open when dust is accumulated seriously.
Description
Technical Field
The utility model belongs to the technical field of flue gas purification, a flue seal damper is related to.
Background
The integrated equipment of semidry desulfurization and bag-type dust collector of the circulating fluidized bed is taken as important ultra-clean discharge equipment, and the concentration of flue gas and dust after desulfurization is as high as 1000g/m3The high-concentration dust-containing flue gas enters the bag type dust collector for collecting treatment, and the baffle door of the inlet flue of the bag type dust collector is used as an essential device for online maintenance, so that the requirement on the sealing performance is high. The existing flue damper door generally has the conditions of poor sealing and difficult opening when the dust is seriously accumulated.
The prior art provides a flue damper for a large flue: a plurality of parallel valve shafts are supported in the valve body at intervals, external shaft end sealing mechanisms are arranged at two side shaft ends of each valve shaft, and the valve shafts synchronously rotate through a driving mechanism; be equipped with the seal baffle on the inner wall of valve body, it is the V-arrangement blade that relative distribution is uncovered to have two on every valve shaft respectively fixed mounting, two V-arrangement blades on every valve shaft are sealed butt joint mutually and form a valve leaf, establish wave form elasticity gasket respectively at the both sides edge of every valve leaf, when actuating mechanism drives all valve leaves through each valve shaft synchronization and rotates to the position of closing the valve body, between every valve leaf and the adjacent valve leaf, and between every valve leaf and the adjacent seal baffle just in time mutual seal overlap joint, and the outer end of every wave form elasticity gasket on every valve leaf is also just in time sealed the lock on adjacent valve leaf or adjacent seal baffle.
However, due to the symmetrical structure of the V-shaped blades and the installation mode of the sealing baffle, the flue baffle door still has the situation of difficult opening when the dust accumulation is serious.
SUMMERY OF THE UTILITY MODEL
The application provides a flue sealing baffle door, which can effectively solve the problem that the baffle door is difficult to open when the accumulated dust is serious.
In order to achieve the technical purpose, the technical scheme adopted by the application is that the flue sealing baffle door comprises a shell, a plurality of baffle shafts arranged in the shell side by side and blades arranged on the baffle shafts, wherein the blades comprise two surfaces which are oppositely arranged; the face comprises a bending section, and the bending section divides the face into a first face and a second face; the bending radian of the bending section is matched with the radian of the baffle shaft; the blades are arranged on the baffle shaft through curved surface spaces formed by bending sections on two oppositely arranged surfaces; the first surface and the second surface have different projection lengths.
As the improved technical scheme of the application, the surface is a curved surface, and the radian corresponding to the first surface is larger than that corresponding to the second surface.
As the improved technical scheme, the end part of the first surface is provided with the locking end A, the end part of the second surface is provided with the locking end B, the locking end A of the first surface in the two oppositely arranged surfaces is fixedly connected, and the locking end B of the second surface in the two oppositely arranged surfaces is fixedly connected.
As an improved technical scheme of the application, the end parts of the two oppositely arranged surfaces are fixedly connected through bolts.
The improved technical scheme of the application also comprises a sealing sheet, wherein the sealing sheet is a plate-shaped element with a bending structure;
a first bending pressing plate is fixed at the end part of the first surface, the first bending pressing plate is bent towards the direction departing from the first surface, and a first accommodating space is formed between the first bending pressing plate and the first surface;
a second bending pressing plate is fixed at the end part of the second surface; the bending pressing plate is bent towards the direction departing from the second surface, and a second accommodating space is formed between the second bending pressing plate and the second surface;
a sealing sheet is arranged at one position of the accommodating space; a sealing sheet is arranged at the second accommodating space; and the sealing sheet arranged at the first accommodating space and the sealing sheet arranged at the second accommodating space are both provided with bending structures, and the bending structures of the two are oppositely arranged.
As the improved technical scheme of the application, the inner wall of the shell is provided with angle steel, the position of the angle steel is ensured to be in a sealing state when the sealing baffle door is in a sealing state, and the end of the sealing sheet can be lapped on the angle steel.
As this application modified technical scheme, the gasket adopts stainless steel to the thickness of gasket is 0.5 mm.
As an improved technical scheme of the application, the baffle plate shaft is connected with an electric actuating mechanism positioned outside the shell through a transmission connecting rod.
As the improved technical scheme of the application, the blades on the two baffle shafts which are adjacently arranged adopt the same installation direction, namely, the second surface of the blade on the first baffle shaft is adjacent to the first surface of the blade on the second baffle shaft when the sealing baffle door is in a sealing state.
As the improved technical scheme of the application, the surface is a plane, the length corresponding to the first surface is larger than that corresponding to the second surface, and the first surface and the second surface are in transition connection by adopting curved surfaces at bending sections.
Advantageous effects
The bending design is carried out on the upper surface of the blade, so that two surfaces forming the blade form a curved surface space; the first surface and the second surface have different projection lengths due to the bending section, namely when the first surface and the second surface are both flat surfaces, the length of the first surface is smaller than or larger than that of the second surface; when the first surface and the second surface are both curved surfaces, the radian of the first surface is greater than or less than that of the second surface; for convenience of description, the length/radian of the first surface is smaller than that of the second surface (but the understanding of the technical scheme of the present application is not affected). The technical effect that the blades are eccentrically arranged after the baffle shaft is arranged in the curved surface space of the first surface and the second surface, and the blades which are eccentrically arranged can be easily opened under the condition of dust accumulation according to the dynamics principle.
In addition, the surface of this application adopts the section of bending for every face homoenergetic integrated into one piece of blade carries out the same technology of bending and bends, has simplified the processing technology of blade, and has guaranteed the blade quality.
In addition, the locking end A is arranged at the first face of the blade, the locking end B is arranged at the second face of the blade, and the two faces of the blade are fixedly connected with the locking end B through the locking end A, so that smooth passing of wind is guaranteed. And the end of the first surface and the second surface is provided with a bending pressing plate, and the sealing piece is arranged at the bending pressing plate, so that the sealing effect of the sealing baffle door is effectively ensured.
In conclusion, the sealing baffle door of the application is arranged on the horizontal or inclined flue of the inlet of the bag-type dust collector, and the mode of lapping the (elastic) sealing sheet is adopted, so that the device has stronger sealing performance when being closed.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a cross-sectional view of fig. 1A-a of an embodiment of the present invention.
Fig. 3 is a schematic view of a blade according to an embodiment of the invention.
Fig. 4 is a schematic diagram of the overlapping of the sealing sheet and the angle steel of the embodiment of the present invention.
Figure 5 is the sealing fin of the embodiment of the present invention and the overlapping schematic diagram of the sealing fin.
In the figure: 1-a shell; 2-a baffle plate; 3-a baffle shaft; 4-an electric actuator; 5-a transmission connecting rod; 6-blade; 61-face one; 62-face two; 63-locking end A; 64-locking end B; 7-angle steel; 8-bending the pressing plate; 9-bolt; 10-sealing piece.
Detailed Description
The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1, a flue sealing damper comprises a housing 1, a plurality of damper shafts 3 arranged in the housing 1 side by side, and blades 6 arranged on the damper shafts 3, wherein the blades 6 on each damper shaft 3 form a damper 2 on the damper shaft 3; the blade 6 comprises two oppositely arranged faces; as shown in fig. 3, the face includes a bending section, which divides the face into a first face 61 and a second face 62; the bending radian of the bending section is matched with the radian of the baffle shaft 3; the blades 6 are arranged on the baffle shaft 3 through curved surface spaces formed by bending sections on two oppositely arranged surfaces; the first surface 61 and the second surface 62 have different projection lengths, so that the installed blade 6 is eccentrically installed relative to the baffle shaft 3. The blades 6 on two adjacent baffle shafts 3 are installed in the same direction, that is, the second surface 62 of the blade 6 on the first baffle shaft 3 is adjacent to the first surface 61 of the blade 6 on the second baffle shaft 3 in the sealed state of the sealed baffle door. As shown in fig. 2, when smoke is blown against the flapper 2, the vanes 6 rotate about the axis of the flapper shaft 3, thereby opening the sealing flapper door. The arrows in figure 2 represent the direction of the smoke.
The first method is as follows: the surface is a curved surface, and the radian corresponding to the first surface 61 is greater than that corresponding to the second surface 62.
The second method comprises the following steps: the surface is a plane, the length corresponding to the first surface 61 is greater than the length corresponding to the second surface 62, and the first surface 61 and the second surface 62 are in transition connection by adopting a curved surface at a bending section.
As shown in fig. 3, in both the first and second modes, the end portions of the two oppositely disposed surfaces are fixedly connected by a bolt 9. Specifically, the method comprises the following steps: the end part of the first surface 61 is provided with a locking end A63, the end part of the second surface 62 is provided with a locking end B64, the locking end A63 of the first surface 61 in the two oppositely arranged surfaces is fixedly connected, and the locking end B64 of the second surface 62 in the two oppositely arranged surfaces is fixedly connected.
In order to increase the sealing effect of the sealing baffle door, a first bending pressing plate 8 is fixed at the end part of the first surface 61, the first bending pressing plate 8 is bent in the direction departing from the first surface 61, and a first accommodating space is formed between the first bending pressing plate 8 and the first surface 61; a sealing sheet 10 is arranged at one position of the accommodating space; the sealing sheet 10 is a plate-shaped element with a bent structure; specifically, one surface of the seal piece 10 is attached to the bent surface of the first bending presser 8 (see fig. 4 and 5), and the other surface is a free surface.
A second bending pressing plate 8 is fixed at the end part of the second surface 62; the bending pressing plate 8 is bent towards the direction departing from the second surface 62, and a second accommodating space is formed between the second bending pressing plate 8 and the second surface 62; a sealing sheet 10 is installed in the second accommodating space, and the sealing sheet 10 is a plate-shaped element with a bent structure so that the sealing sheet 10 has certain elasticity (of course, the sealing sheet 10 may also be a curved plate or a plate with elasticity in other forms); specifically, one surface of the seal piece 10 is attached to the bent surface of the second bending presser 8 (see fig. 4 and 5), and the other surface is a free surface.
In order to ensure that the sealing baffle door can have excellent sealing effect when in a sealing state, the sealing sheet 10 arranged at the first accommodating space and the sealing sheet 10 arranged at the second accommodating space both have a bending structure, and the bending structures of the two are oppositely arranged, specifically as shown in fig. 5, that is, the sealing sheets 10 on the two adjacent blades 6 are mutually lapped on the adjacent blades 6, so that the comprehensive sealing of the sealing baffle door is realized.
In order to avoid the ventilation of the edge inside the shell 1, the inner wall of the shell 1 is provided with an angle steel 7, and the position of the angle steel 7 ensures that the end of the sealing sheet 10 can be lapped on the angle steel 7 when the sealing baffle door is in a sealing state.
Preferably, the sealing plate 10 is made of stainless steel, and the thickness of the sealing plate 10 is 0.5 mm.
For the purpose of electric control, the flap shaft 3 is connected to an electric actuator 4 located outside the housing 1 via a transmission linkage 5.
The device is arranged on a horizontal or inclined flue at the inlet of a bag type dust collector, and plays a good role in dealing with high-concentration dust flue gas desulfurized by a circulating fluidized bed through a semidry method. According to the structure, the angle steel 7 sealing barrier strip (the angle steel 7 arranged on the shell 1 in the foregoing) is arranged in the length direction of the door frame, and the sealing strip 10 on the blade 6 is reliably sealed; stainless steel longitudinal sealing plates 10 are arranged between the blades 6 and the blades 6 (defined as the longitudinal direction is the direction in which the sealing plates 10 extend from the blade 6 to the adjacent blade 6); sealing piece 10 adopts angular structure, has certain elasticity, and sealing piece 10 thickness 0.5mm, sealing piece 10 can two-way arrangement (the opening of angular structure sets up relatively) between blade 6, and its sealed efficiency is 99 ~ 99.5%, sealing piece 10 and blade 6's overlap joint to and all can prevent the deposition with angle steel 7 overlap joint, and reducible windage.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention.
Claims (10)
1. A flue sealing baffle door comprises a shell, a plurality of baffle shafts arranged in the shell side by side, and blades arranged on the baffle shafts, and is characterized in that the blades comprise two surfaces which are oppositely arranged; the face comprises a bending section, and the bending section divides the face into a first face and a second face; the bending radian of the bending section is matched with the radian of the baffle shaft; the blades are arranged on the baffle shaft through curved surface spaces formed by bending sections on two oppositely arranged surfaces; the first surface and the second surface have different projection lengths.
2. The flue seal baffle door of claim 1, wherein the face is curved, the first face having a greater arc than the second face.
3. The flue seal baffle door of claim 1, wherein the end of the first face is provided with a locking end a, the end of the second face is provided with a locking end B, the locking end a of the first face of the two faces arranged oppositely is fixedly connected, and the locking end B of the second face of the two faces arranged oppositely is fixedly connected.
4. A flue seal damper as recited in claim 1, wherein the ends of said two oppositely disposed faces are fixedly connected by bolts.
5. The flue seal damper of claim 1, further comprising a sealing sheet, wherein the sealing sheet is a plate-like member of a bent configuration;
a first bending pressing plate is fixed at the end part of the first surface, the first bending pressing plate is bent towards the direction departing from the first surface, and a first accommodating space is formed between the first bending pressing plate and the first surface; a second bending pressing plate is fixed at the end part of the second surface; the bending pressing plate is bent towards the direction departing from the second surface, and a second accommodating space is formed between the second bending pressing plate and the second surface;
a sealing sheet is arranged at one position of the accommodating space; a sealing sheet is arranged at the second accommodating space; and the sealing sheet arranged at the first accommodating space and the sealing sheet arranged at the second accommodating space are both provided with bending structures, and the bending structures of the two are oppositely arranged.
6. The flue seal baffle door of claim 5, wherein the inner wall of the housing is provided with angle steel positioned to enable the ends of the sealing strip to overlap the angle steel when the door is in the sealed condition.
7. The flue sealing damper of claim 5, wherein the sealing plate is made of stainless steel and has a thickness of 0.5 mm.
8. The flue seal damper of claim 1, wherein the damper shaft is coupled to an electric actuator located outside the housing by a drive link.
9. A flue seal damper as claimed in claim 1 wherein the vanes on two damper shafts arranged adjacent each other are mounted in the same orientation, i.e. with the seal damper in a sealed condition, the second face of the vane on the first damper shaft abuts the first face of the vane on the second damper shaft.
10. The flue seal damper of claim 1, wherein the first face is a flat face, the length of the first face is greater than the length of the second face, and the first face and the second face are in transition connection by a curved surface at the bent section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022199469.6U CN214198727U (en) | 2020-09-30 | 2020-09-30 | Flue sealing baffle door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022199469.6U CN214198727U (en) | 2020-09-30 | 2020-09-30 | Flue sealing baffle door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214198727U true CN214198727U (en) | 2021-09-14 |
Family
ID=77641461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022199469.6U Active CN214198727U (en) | 2020-09-30 | 2020-09-30 | Flue sealing baffle door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214198727U (en) |
-
2020
- 2020-09-30 CN CN202022199469.6U patent/CN214198727U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 211101 Room 401, No. 1, Huashen Avenue, Yuhua District, Nanjing, Jiangsu Province Patentee after: Guoneng Longyuan environmental protection Nanjing Co.,Ltd. Address before: No. 1, Huashen Avenue, Yuhuatai District, Nanjing, Jiangsu 210012 Patentee before: NANJING LONGYUAN ENVIRONMENT Co.,Ltd. |
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| CP03 | Change of name, title or address |