CN210859849U - Chemical flue valve body bottom seal structure - Google Patents
Chemical flue valve body bottom seal structure Download PDFInfo
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- CN210859849U CN210859849U CN201920879048.2U CN201920879048U CN210859849U CN 210859849 U CN210859849 U CN 210859849U CN 201920879048 U CN201920879048 U CN 201920879048U CN 210859849 U CN210859849 U CN 210859849U
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- angle steel
- valve body
- silica gel
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Abstract
The utility model discloses a bottom sealing structure of a chemical flue valve body, which comprises a flue valve body; the flue valve body comprises an outer frame and a flue gas baffle movably arranged in the outer frame; the outer frame is formed by encircling a plurality of channel steel; a sealing angle steel is arranged in the center of the bottom of the flue gas baffle; the protruding end of the sealing angle steel is polished to form an arc transition structure; a sealing element is arranged on the inner side of the outer frame and is positioned right below the sealing angle steel; the sealing element comprises a fixed support and a multi-layer silica gel plate arranged in the middle of the fixed support; the fixed bracket is composed of two symmetrically arranged supporting angle steels; the multiple layers of silica gel plates are sequentially stacked between the two supporting angle steels; the sealing angle steel is tightly attached to the silica gel plate on the top layer; the utility model discloses a chemical industry flue valve body bottom seal structure tightly combines together with the fixed silica gel board in outer frame bottom when the flue gas baffle whereabouts, reaches the sealed effect that soft or hard combined together, prevents the flue gas and leaks in by the lower part.
Description
Technical Field
The utility model relates to a chemical industry flue valve body bottom seal structure belongs to flue gas flapper valve technical field.
Background
Today, with the high development of industrialization, people need a clear sky; however, in the thermal power industry and the metallurgical industry, a large amount of sulfur-containing gas is discharged from a flue, and forms acid rain, so that serious pollution is caused to the atmosphere; the flue gas desulfurization unit can treat sulfur-containing gas in a flue, but once the unit breaks down, the flue gas in the flue cannot be treated to generate leakage, and the discharged flue gas is still toxic gas polluting the atmosphere; although the smoke baffle door can cut off the leakage of smoke, the smoke baffle door is still unsatisfactory when in use, and particularly when the smoke baffle door is opened and closed, a gap exists between the bottom of the smoke baffle and the frame, and the smoke in the flue is easy to leak out from the gap. Therefore, in order to solve the above problems, it is necessary to design a bottom sealing structure of a chemical flue valve body.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a chemical industry flue valve body bottom seal structure reaches the sealed effect that the soft or hard combined together, prevents that the flue gas from leaking in by the lower part.
The utility model discloses a bottom sealing structure of a chemical flue valve body, which comprises a flue valve body; the flue valve body comprises an outer frame and a flue gas baffle movably arranged in the outer frame; the outer frame is formed by encircling a plurality of channel steel; and a sealing assembly is arranged between the smoke baffle and the outer frame.
Further, the sealing assembly comprises a sealing angle steel arranged in the center of the bottom of the smoke baffle; the protruding end of the sealing angle steel is polished to form an arc transition structure; a sealing element is arranged on the inner side of the outer frame and is positioned right below the sealing angle steel; the sealing element comprises a fixed support and a multi-layer silica gel plate arranged in the middle of the fixed support; the fixed bracket is composed of two symmetrically arranged supporting angle steels; the multiple layers of silica gel plates are sequentially stacked between the two supporting angle steels; the sealing angle steel is tightly attached to the silica gel plate at the top layer, the sealing angle steel is installed at the bottom of the smoke baffle, and the protruding end of the sealing angle steel is polished to form a smooth arc-shaped transition structure; a sealing piece composed of multiple layers of silica gel plates is arranged above the channel steel at the bottom of the outer frame, the sealing angle steel is connected with the sealing piece to form a sealing structure, and the smoke baffle plate is tightly combined with the silica gel plate fixed at the bottom of the outer frame when falling down, so that the soft-hard combined sealing effect is achieved, and smoke can be completely prevented from leaking from the lower part; adopt the silica gel board as soft sealing, not only can play sealed effect, still can play certain cushioning effect, when the flue gas baffle drove the sealing angle steel of its bottom and falls, the protruding end of sealing angle steel contacted with the silica gel board on top layer earlier, because the elastic action of silica gel board, can alleviate the external frame's of flue gas baffle whereabouts impact force of pushing down.
As a preferred embodiment, the sealing angle steel is welded and fixed at the bottom of the flue gas baffle, and a gap is formed between the sealing angle steel and the flue gas baffle; crisscross many strengthening ribs of installing in the space between sealed angle steel and the flue gas baffle, and strengthening rib one end and sealed angle steel inner wall fixed connection, its other end is connected with the flue gas baffle, installs many strengthening ribs in sealed angle steel, can strengthen the operating stability of sealed angle steel, avoids producing when sealed operation to rock, has prolonged the life of sealed angle steel.
Furthermore, the arc transition structure of the protruding end of the sealing angle steel is tightly attached to the top layer of the silica gel plate.
Furthermore, a through groove matched with the arc-shaped transition structure is formed in the middle of the silica gel plate at the top layer.
Further, the arc transition structure of its protruding end of seal angle steel clamps in leading to the groove, sets up the logical groove that matches with arc transition structure on the silica gel board at top for when flue gas baffle drove seal angle steel whereabouts, the protruding end of seal angle steel can be blocked in leading to the groove, increases the area of contact of seal angle steel and silica gel board, improves sealed effect.
Compared with the prior art, the utility model discloses a chemical industry flue valve body bottom seal structure installs a sealing angle steel at the flue gas baffle bottom to carry out the polishing to the protruding end of sealing angle steel and handle, make the protruding end of sealing angle steel form slick and sly arc transition structure; a sealing piece composed of multiple layers of silica gel plates is arranged above the channel steel at the bottom of the outer frame, the sealing angle steel is connected with the sealing piece to form a sealing structure, and the smoke baffle plate is tightly combined with the silica gel plate fixed at the bottom of the outer frame when falling down, so that the soft-hard combined sealing effect is achieved, and smoke can be completely prevented from leaking from the lower part; adopt the silica gel board as soft sealing, not only can play sealed effect, still can play certain cushioning effect, when the flue gas baffle drove the sealing angle steel of its bottom and falls, the protruding end of sealing angle steel contacted with the silica gel board on top layer earlier, because the elastic action of silica gel board, can alleviate the external frame's of flue gas baffle whereabouts impact force of pushing down.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
The parts in the drawings are marked as follows: the method comprises the following steps of 1-an outer frame, 2-a smoke baffle, 3-sealing angle steel, 4-an arc transition structure, 5-a sealing element, 51-a fixed support, 52-a silica gel plate, 6-a gap, 7-a reinforcing rib and 8-a through groove.
Detailed Description
Example 1:
the chemical flue valve body bottom sealing structure shown in fig. 1 comprises a flue valve body; the flue valve body comprises an outer frame 1 and a flue gas baffle 2 movably arranged in the outer frame 1; the outer frame 1 is formed by encircling a plurality of channel steel; a sealing assembly is arranged between the smoke baffle 2 and the outer frame 1; the sealing component comprises a sealing angle steel 3 arranged in the center of the bottom; the convex end of the sealing angle steel 3 is polished to form an arc transition structure 4; a sealing element 5 is arranged on the inner side of the outer frame 1 and is positioned under the sealing angle steel 3; the sealing element 5 comprises a fixed bracket 51 and a multi-layer silicon rubber plate 52 arranged in the middle of the fixed bracket 51; the fixed bracket 51 is composed of two symmetrically arranged supporting angle steels; the multiple layers of silica gel plates 52 are sequentially stacked between the two supporting angle steels; the sealing angle steel 3 is tightly attached to the top layer of the silica gel plate 52.
The sealing angle steel 3 is welded and fixed at the bottom of the flue gas baffle 2, and a gap 6 is formed between the sealing angle steel and the flue gas baffle 2; a plurality of reinforcing ribs 7 are installed in the space between the sealing angle steel and the 3 smoke baffle plates 2 in a staggered mode, one ends of the reinforcing ribs 7 are fixedly connected with the inner walls of the sealing angle steel 3, and the other ends of the reinforcing ribs are connected with the smoke baffle plates 2.
And a through groove 8 matched with the arc transition structure is formed in the middle of the silica gel plate 52 at the top layer.
The arc transition structure 4 at the convex end of the sealing angle steel 3 is clamped in the through groove 8.
Example 2:
the structure of the chemical flue valve body bottom sealing structure shown in fig. 2 is basically the same as that of embodiment 1, wherein the arc-shaped transition structure 4 at the protruding end of the sealing angle steel 3 is tightly attached to the top layer of the silica gel plate 52.
The utility model discloses a chemical flue valve body bottom sealing structure, which is characterized in that a sealing angle steel is arranged at the bottom of a flue gas baffle, and the protruding end of the sealing angle steel is polished, so that the protruding end of the sealing angle steel forms a smooth arc transition structure; a sealing piece composed of multiple layers of silica gel plates is arranged above the channel steel at the bottom of the outer frame, the sealing angle steel is connected with the sealing piece to form a sealing structure, and the smoke baffle plate is tightly combined with the silica gel plate fixed at the bottom of the outer frame when falling down, so that the soft-hard combined sealing effect is achieved, and smoke can be completely prevented from leaking from the lower part; the silica gel plate is used as soft seal, so that not only can a sealing effect be achieved, but also a certain buffering effect can be achieved, when the smoke baffle drives the sealing angle steel at the bottom of the smoke baffle to fall, the convex end of the sealing angle steel is firstly contacted with the silica gel plate at the top layer, and due to the elastic effect of the silica gel plate, the pressing impact force on the outer frame when the smoke baffle falls can be reduced; in addition, can set up the logical groove that matches with arc transition structure on the silica gel board at top for when flue gas baffle drove the falling of seal angle steel, the protruding end of seal angle steel can block in leading to the groove, increases the area of contact of seal angle steel and silica gel board, improves sealed effect.
The above-mentioned embodiment is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles of the present invention are included in the claims of the present invention.
Claims (6)
1. A chemical flue valve body bottom sealing structure comprises a flue valve body; the flue valve body comprises an outer frame and a flue gas baffle movably arranged in the outer frame; the outer frame is formed by encircling a plurality of channel steel; the method is characterized in that: and a sealing assembly is arranged between the smoke baffle and the outer frame.
2. The chemical flue valve body bottom sealing structure of claim 1, characterized in that: the sealing assembly comprises a sealing angle steel arranged in the center of the bottom of the smoke baffle; the protruding end of the sealing angle steel is polished to form an arc transition structure; a sealing element is arranged on the inner side of the outer frame and is positioned right below the sealing angle steel; the sealing element comprises a fixed support and a multi-layer silica gel plate arranged in the middle of the fixed support; the fixed bracket is composed of two symmetrically arranged supporting angle steels; the multiple layers of silica gel plates are sequentially stacked between the two supporting angle steels; the sealing angle steel is tightly attached to the silica gel plate at the top layer.
3. The chemical flue valve body bottom sealing structure of claim 2, characterized in that: the sealing angle steel is welded and fixed at the bottom of the smoke baffle, and a gap is formed between the sealing angle steel and the smoke baffle; a plurality of reinforcing ribs are installed in the gap between the sealing angle steel and the smoke baffle in a staggered mode, one ends of the reinforcing ribs are fixedly connected with the inner wall of the sealing angle steel, and the other ends of the reinforcing ribs are connected with the smoke baffle.
4. The chemical flue valve body bottom sealing structure of claim 2, characterized in that: the arc transition structure of the protruding end of the sealing angle steel is tightly attached to the silica gel plate at the top layer.
5. The chemical flue valve body bottom sealing structure of claim 2, characterized in that: and a through groove matched with the arc-shaped transition structure is formed in the middle of the silica gel plate at the top layer.
6. The chemical flue valve body bottom sealing structure of claim 2, characterized in that: the arc transition structure of the protruding end of the sealing angle steel is clamped in the through groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920879048.2U CN210859849U (en) | 2019-06-12 | 2019-06-12 | Chemical flue valve body bottom seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920879048.2U CN210859849U (en) | 2019-06-12 | 2019-06-12 | Chemical flue valve body bottom seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210859849U true CN210859849U (en) | 2020-06-26 |
Family
ID=71302130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920879048.2U Active CN210859849U (en) | 2019-06-12 | 2019-06-12 | Chemical flue valve body bottom seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210859849U (en) |
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2019
- 2019-06-12 CN CN201920879048.2U patent/CN210859849U/en active Active
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