CN210218679U - Flue gas baffle track gap sealing device - Google Patents
Flue gas baffle track gap sealing device Download PDFInfo
- Publication number
- CN210218679U CN210218679U CN201920879047.8U CN201920879047U CN210218679U CN 210218679 U CN210218679 U CN 210218679U CN 201920879047 U CN201920879047 U CN 201920879047U CN 210218679 U CN210218679 U CN 210218679U
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- baffle
- rail
- frame
- flue gas
- outer frame
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Abstract
The utility model discloses a flue gas baffle track gap sealing device, which comprises an outer frame and a flue gas baffle which is connected with the outer frame in a sliding way; frame rails are symmetrically arranged on the inner side of the outer frame; baffle rails used for being connected with the frame rails are respectively arranged on two sides of the smoke baffle; the frame rail and the baffle rail are both saddle-type angle steels, and the two saddle-type angle steels are buckled to form a sealing rail; a sealing element is arranged between the baffle rail and the frame rail; one end of the sealing element is tightly attached to the baffle rail and forms a sealing surface with the baffle rail; one end of the sealing element, which is far away from the baffle rail, penetrates through the frame rail and is connected with the outer frame; the utility model discloses a flue gas baffle track space sealing device can effectively avoid the flue gas to leak in by the clearance between frame track and the flue gas baffle track.
Description
Technical Field
The utility model relates to a flue gas baffle track space sealing device belongs to flue gas flapper valve technical field.
Background
When the boiler operates, a large amount of smoke is discharged, the smoke baffle valve is a vertical lifting opening and closing valve with a baffle as a closing member, and the baffle of the smoke baffle valve is normally closed due to vertical falling of gravity and is a normally closed valve; when the boiler normally operates, the flue gas baffle valve needs to be opened by vertically lifting the baffle by a driving device to form a flue passage so as to ensure the smooth discharge of flue gas generated by boiler combustion; when the equipment is overhauled, the baffle can be closed due to gravity falling. When the existing smoke baffle valve is in an opening state, a gap exists between the baffle rail and the frame rail, smoke can leak outwards along the gap, and the sealing performance is poor. Therefore, in order to solve the above problems, it is highly desirable to design a flue gas baffle rail gap sealing device.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a flue gas baffle track space sealing device can effectively avoid the flue gas to leak in by the clearance between frame track and the flue gas baffle track.
The utility model discloses a flue gas baffle track gap sealing device, which comprises an outer frame and a flue gas baffle which is connected with the outer frame in a sliding way; frame rails are symmetrically arranged on the inner side of the outer frame; baffle rails used for being connected with the frame rails are respectively arranged on two sides of the smoke baffle; the frame rail and the baffle rail are both saddle-type angle steels, and the two saddle-type angle steels are buckled to form a sealing rail; a sealing element is arranged between the baffle rail and the frame rail; one end of the sealing element is tightly attached to the baffle rail and forms a sealing surface with the baffle rail; one end of the sealing element, which is far away from the baffle rail, penetrates through the frame rail and is connected with the outer frame, the opening and closing of the smoke baffle valve are realized through the sliding between the two saddle-type angle steels, and the hard sealing is carried out between the smoke baffle rail and the frame rail; the frame rail is provided with a through hole and penetrates through the frame rail, and a sealing element made of a high-temperature-resistant silica gel plate is utilized and is plugged into the through hole to be tightly connected with the smoke baffle rail to form a sealing surface, so that the aim of preventing smoke from leaking from a gap between the frame rail and the smoke baffle rail is fulfilled.
As preferred embodiment, its cross-section of flue gas baffle is the diamond structure, and its thickness of flue gas baffle reduces from center department to edge in proper order, and the flue gas baffle is made by the composite sheet of diamond structure, and the principle is stabilized according to the triangle-shaped all is non-deformable in the aspect of mechanics and calorifics, and no matter be under high temperature environment or under the great condition of the difference in temperature all can not warp, and parallel composite sheet has more the fastness on the market.
As a preferred embodiment, the sealing member is a silica gel plate resistant to a high temperature of 300 ℃.
Furthermore, a through hole for installing a sealing element is formed in the frame rail.
Further, the seal member is integrally made of a contact portion and a mounting portion; the contact part is of a right-angled triangle structure, the right-angled end of the contact part is clung to the inner angle of the baffle rail, and the right-angled side of the contact part is attached to the inner side wall of the baffle rail; the mounting part penetrates through the through hole of the frame rail and extends into a gap between the frame rail and the outer frame; it deviates from contact site one side and outer frame inner wall laminating of installation department.
Compared with the prior art, the flue gas baffle rail gap sealing device realizes the opening and closing of the flue gas baffle valve through the sliding between the two saddle-type angle steels, and performs hard sealing between the flue gas baffle rail and the frame rail; the frame rail is provided with a through hole and penetrates through the frame rail, and a sealing element made of a high-temperature-resistant silica gel plate is utilized and is plugged into the through hole to be tightly connected with the smoke baffle rail to form a sealing surface, so that the aim of preventing smoke from leaking from a gap between the frame rail and the smoke baffle rail is fulfilled.
Drawings
Fig. 1 is a schematic view of the installation structure of the present invention.
The parts in the drawings are marked as follows: 1-outer frame, 2-smoke baffle, 3-frame rail, 4-baffle rail, 5-sealing element, 51-contact part, 52-installation part.
Detailed Description
The flue gas baffle track gap sealing device shown in fig. 1 comprises an outer frame 1 and a flue gas baffle 2 connected with the outer frame 1 in a sliding manner; frame rails 3 are symmetrically arranged on the inner side of the outer frame 1; baffle rails 4 used for being connected with the frame rails 3 are respectively arranged on two sides of the smoke baffle 2; the frame rail 3 and the baffle rail 4 are both saddle-type angle steels, and the two saddle-type angle steels are buckled to form a sealing rail; a sealing element 5 is arranged between the baffle rail 4 and the frame rail 3; one end of the sealing element 5 is tightly attached to the baffle rail 4 and forms a sealing surface with the baffle rail 4; the end of the sealing element 5 facing away from the baffle rail 4 passes through the frame rail 3 and is connected to the outer frame 1.
The cross section of the smoke baffle 2 is of a diamond structure, and the thickness of the smoke baffle 2 is reduced from the center to the corners in sequence.
The sealing element 5 is a 300 ℃ high-temperature resistant silica gel plate.
The frame rail 3 is provided with a through hole (not shown) for mounting a seal.
The seal 5 is made of a contact portion 51 and a mounting portion 52 integrally; the contact part 51 is of a right-angled triangle structure, the right-angled end of the contact part 51 is tightly attached to the inner angle of the baffle rail 4, and the right-angled side of the contact part is attached to the inner side wall of the baffle rail 4; the mounting portion 52 passes through the through hole of the frame rail 3 and extends into a gap between the frame rail 3 and the outer frame 1; the side of the mounting part 52 away from the contact part 51 is attached to the inner wall of the outer frame 1.
The utility model realizes the opening and closing of the flue gas baffle valve by the sliding between the two saddle-type angle steels and carries out hard sealing between the flue gas baffle track and the frame track; the frame rail is provided with a through hole and penetrates through the frame rail, and a sealing element made of a high-temperature-resistant silica gel plate is utilized and is plugged into the through hole to be tightly connected with the smoke baffle rail to form a sealing surface, so that the aim of preventing smoke from leaking from a gap between the frame rail and the smoke baffle rail is fulfilled; in addition, the flue gas baffle is made by the composite sheet of rhombus structure, and is all non-deformable in the aspect of mechanics and calorifics according to triangle-shaped stable principle, no matter can not warp under high temperature environment or under the great condition of difference in temperature, and parallel composite sheet has more the fastness on the market.
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 (5)
1. A flue gas baffle rail gap sealing device comprises an outer frame and a flue gas baffle which is connected with the outer frame in a sliding manner; frame rails are symmetrically arranged on the inner side of the outer frame; baffle rails used for being connected with the frame rails are respectively arranged on two sides of the smoke baffle; the method is characterized in that: the frame rail and the baffle rail are both saddle-type angle steels, and the two saddle-type angle steels are buckled to form a sealing rail; a sealing element is arranged between the baffle rail and the frame rail; one end of the sealing element is tightly attached to the baffle rail and forms a sealing surface with the baffle rail; and one end of the sealing element, which is far away from the baffle rail, penetrates through the frame rail and is connected with the outer frame.
2. The flue gas baffle track gap sealing device of claim 1, wherein: the cross section of the smoke baffle is of a diamond structure, and the thickness of the smoke baffle is reduced from the center to the corners in sequence.
3. The flue gas baffle track gap sealing device of claim 1, wherein: the sealing element is a 300 ℃ high-temperature resistant silica gel plate.
4. The flue gas baffle track gap sealing device of claim 1, wherein: and the frame rail is provided with a through hole for mounting a sealing element.
5. The flue gas baffle track gap sealing device of claim 1, wherein: the sealing element is integrally made of a contact part and a mounting part; the contact part is of a right-angled triangle structure, the right-angled end of the contact part is clung to the inner angle of the baffle rail, and the right-angled side of the contact part is attached to the inner side wall of the baffle rail; the mounting part penetrates through the through hole of the frame rail and extends into a gap between the frame rail and the outer frame; it deviates from contact site one side and outer frame inner wall laminating of installation department.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920879047.8U CN210218679U (en) | 2019-06-12 | 2019-06-12 | Flue gas baffle track gap sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920879047.8U CN210218679U (en) | 2019-06-12 | 2019-06-12 | Flue gas baffle track gap sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210218679U true CN210218679U (en) | 2020-03-31 |
Family
ID=69931434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920879047.8U Active CN210218679U (en) | 2019-06-12 | 2019-06-12 | Flue gas baffle track gap sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210218679U (en) |
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2019
- 2019-06-12 CN CN201920879047.8U patent/CN210218679U/en active Active
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