CN212842864U - Rotary kiln head burner sealing device capable of adjusting position - Google Patents
Rotary kiln head burner sealing device capable of adjusting position Download PDFInfo
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- CN212842864U CN212842864U CN202021746388.7U CN202021746388U CN212842864U CN 212842864 U CN212842864 U CN 212842864U CN 202021746388 U CN202021746388 U CN 202021746388U CN 212842864 U CN212842864 U CN 212842864U
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- rotary kiln
- sleeve
- sealing device
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Abstract
The utility model relates to a rotary kiln hood combustor sealing device that can adjusting position, including combustor and rotary kiln door, the combustor includes the spray tube, the spray tube sets up inside the rotary kiln, the spray tube periphery is provided with sealing device with rotary kiln door contact position, sealing device includes preceding pressure flange dish, asbestos packing root layer, interior sleeve pipe and outer tube and adapter sleeve, preceding pressure flange dish cover locate interior sleeve pipe outer anchor ring and with outer tube fixed connection, be provided with asbestos packing root layer between preceding pressure flange dish and the interior sleeve pipe, the one end and the adapter sleeve fixed connection of preceding pressure flange dish are kept away from to the outer tube, adapter sleeve and rotary kiln door fixed connection. The utility model discloses be provided with interior sleeve pipe and outer tube, install interior sleeve pipe on the combustor and form mobilizable time type with the outer tube of installing at the kiln head door and seal, do sealed shutoff at wind outlet asbestos packing. The combustor can be adjusted at will, air leakage of the combustor can be avoided, and the effect of protecting the environment is achieved.
Description
Technical Field
The utility model relates to a rotary kiln environmental protection field, concretely relates to rotary kiln hood combustor sealing device that can adjusting position.
Background
In order to avoid the phenomenon of air leakage when the rotary kiln is connected with the combustor, the contact position of a rotary kiln door and a combustor spray pipe is sealed and fixed, but the spray pipe needs to move in the kiln in operation, and the position of the combustor cannot be adjusted randomly by the conventional connection mode. If the position needs to be adjusted, the sealing needs to be redone, which is time-consuming and cost-wasting.
Some packaging sleeves are arranged on the market for solving the problem that the spray pipe cannot move in the kiln, but the internal structure of the sleeve is simple, and the spray pipe cannot completely avoid air leakage when moving, so that flying sand in the kiln overflows to cause harm to the surrounding environment.
Disclosure of Invention
The utility model discloses a solve the hourglass phenomenon of combustor in the operation process and fly sand excessive problem in normal production, provide a rotary kiln head burner sealing device that can adjusting position, be provided with interior sleeve pipe, outer tube, preceding pressure flange dish and asbestos packing layer, the sleeve pipe forms mobilizable type of returning to and seals with the outer tube of kiln head door installation in the installation on the combustor, does sealed shutoff with asbestos packing in the wind export. The combustor can be adjusted at will, air leakage of the combustor can be avoided, and the effect of protecting the environment is achieved.
In order to realize the purpose, the technical scheme of the utility model is that:
a rotary kiln head burner sealing device capable of adjusting position comprises a burner and a rotary kiln door, the burner comprises a spray pipe, the spray pipe is arranged in the rotary kiln, a sealing device is arranged at the contact position of the periphery of the spray pipe and the kiln door of the rotary kiln, the sealing device comprises a front pressing flange plate, an asbestos packing layer, an inner sleeve, an outer sleeve and a connecting sleeve, the front pressing flange plate is sleeved on the outer ring surface of the inner sleeve and is fixedly connected with the outer sleeve, an asbestos packing layer is arranged between the pressing flange plate and the inner sleeve, one end of the outer sleeve far away from the front pressure flange disc is fixedly connected with a connecting sleeve which is fixedly connected with a kiln door of the rotary kiln, the inner sleeve and the outer sleeve are communicated with the interior of the rotary kiln, the spray pipe penetrates through the inner sleeve, the outer sleeve and the kiln door of the rotary kiln and is arranged in the rotary kiln, and the spray pipe is movably connected with the inner sleeve.
Furthermore, the inner sleeve is of a cylindrical structure with an open end and a hollow interior, a circular through hole is formed in the bottom surface of the inner sleeve, a front pressing flange is arranged on the outer annular surface of one side, provided with the circular through hole, of the inner sleeve, an inward truncated cone-shaped groove is formed in the inner annular surface of the small-diameter end of the front pressing flange, an asbestos packing layer is filled in the truncated cone-shaped groove, the asbestos packing layer surrounds the inner sleeve, the asbestos packing layer is attached to the truncated cone-shaped groove formed in the small-diameter end of the front pressing flange, the corresponding asbestos packing layer is of an annular truncated cone structure, the inner annular surface of the asbestos packing layer is fixed to the outer annular surface of the inner sleeve, and the outer annular surface of the asbestos packing layer is fixed to the front pressing flange.
Furthermore, the outer sleeve is of a circular ring-shaped structure with an I-shaped cross section, and the outer sleeve is fixedly connected with the large-diameter end of the front pressing flange plate through a bolt.
Furthermore, a chamfer is formed in one side, close to the asbestos packing layer, of the outer sleeve, the transverse section of the chamfer is in contact with the outer surface of the small-diameter end of the front pressing flange plate, the vertical section of the chamfer is attached to the bottom surface of the asbestos packing layer, and a gap is reserved between the outer sleeve and the inner sleeve 3.
Furthermore, the connecting sleeve is of a stepped annular structure, the large-diameter end of the connecting sleeve is fixedly connected with one end, away from the front pressing flange plate, of the outer sleeve through a bolt, the small-diameter end of the connecting sleeve is connected with the kiln door of the rotary kiln, and the connecting sleeve and the kiln door of the rotary kiln are of an integrated structure.
Through the technical scheme, the beneficial effects of the utility model are that:
the utility model discloses be provided with sealing device, sealing device includes preceding pressure flange dish, asbestos packing layer, interior sleeve pipe and outer tube and adapter sleeve, preceding pressure flange dish cover locate interior sleeve pipe outer anchor ring and with outer tube fixed connection, be provided with asbestos packing layer between preceding pressure flange dish and the interior sleeve pipe, the outer tube is kept away from preceding one end and the adapter sleeve fixed connection of pressure flange dish, adapter sleeve and rotary kiln door fixed connection, interior sleeve pipe and outer tube and the inside intercommunication of rotary kiln, the spray tube passes interior sleeve pipe, outer tube and rotary kiln door and sets up inside the rotary kiln, spray tube and interior sleeve pipe swing joint.
During operation, a very small part of airflow reflows to the gap between the outer sleeve and the inner sleeve and is blocked by the asbestos packing layer, so that air leakage and sand flying overflow are effectively avoided;
in addition, the outer sleeve prolongs the connection length of the rotary kiln door and the burner spray pipe, and the inner sleeve is movably connected with the burner spray pipe, so that the burner spray pipe can move in the rotary kiln conveniently.
Drawings
Fig. 1 is a schematic structural diagram of a rotary kiln head burner sealing device with adjustable position of the utility model.
Fig. 2 is an installation schematic diagram of the rotary kiln head burner sealing device with adjustable position of the utility model.
Fig. 3 is a schematic view of an inner sleeve structure of the rotary kiln head burner sealing device with adjustable position of the present invention.
FIG. 4 is a schematic view of the outer tube structure of the sealing device of the kiln head burner of the rotary kiln with adjustable position of the present invention
The reference numbers in the figures are: 1 is a front pressure flange plate, 2 is an asbestos packing layer, 3 is an inner sleeve, 4 is an outer sleeve, 5 is a connecting sleeve, 6 is a burner, 601 is a spray pipe, and 7 is a rotary kiln door.
Detailed Description
The invention will be further explained with reference to the drawings and the detailed description below:
as shown in fig. 1 to 4, a rotary kiln hood burner sealing device capable of adjusting a position comprises a burner 6 and a rotary kiln door 7, wherein the burner 6 comprises a spray pipe 601, the spray pipe 601 is arranged inside a rotary kiln, a sealing device is arranged at a position where the periphery of the spray pipe 601 contacts the rotary kiln door 7, the sealing device comprises a front pressure flange 1, an asbestos disc root layer 2, an inner sleeve 3, an outer sleeve 4 and a connecting sleeve 5, the front pressure flange 1 is sleeved on the outer annular surface of the inner sleeve 3 and fixedly connected with the outer sleeve 4, the asbestos disc root layer 2 is arranged between the front pressure flange 1 and the inner sleeve 3, one end of the outer sleeve 4, far away from the front pressure flange 1, is fixedly connected with the connecting sleeve 5, the connecting sleeve 5 is fixedly connected with the rotary kiln door 7, the inner sleeve 3 and the outer sleeve 4 are communicated with the inside of the rotary kiln, and the spray pipe 601 penetrates through the inner sleeve 3, The outer sleeve 4 and the rotary kiln door 7 are arranged in the rotary kiln, and the spray pipe 601 is movably connected with the inner sleeve 3.
In order to optimize the product structure and improve the sealing performance of the sealing device, the inner sleeve 3 is a cylindrical structure with an open end and a hollow interior, a circular through hole is formed in the bottom surface of the inner sleeve 3, a front pressing flange plate 1 is arranged on the outer annular surface of one side, provided with the circular through hole, of the inner sleeve 3, an inward frustum-shaped groove is formed in the inner annular surface of the small-diameter end of the front pressing flange plate 1, an asbestos disc root layer 2 is filled in the frustum-shaped groove, the asbestos disc root layer 2 is arranged around the inner sleeve 3, the asbestos disc root layer 2 is attached to the frustum-shaped groove formed in the small-diameter end of the front pressing flange plate 1, the corresponding asbestos disc root layer 2 is of an annular frustum structure, the inner annular surface of the asbestos disc root layer 2 is fixed to the outer annular surface of the inner sleeve 3, and the outer annular surface of the asbestos disc. The outer sleeve 4 is of a circular ring-shaped structure with an I-shaped cross section, and the outer sleeve 4 is fixedly connected with the large-diameter end of the front pressing flange plate 1 through a bolt. The outer tube 4 is close to one side of asbestos packing layer 2 and has seted up the chamfer, the horizontal section of chamfer and the contact of the path end surface of preceding pressure flange dish 1, vertical section and the laminating of the bottom surface of asbestos packing layer 2, outer tube 4 with there is the clearance between the interior sleeve pipe 3.
For the sealing device and the rotary kiln door 7 are fixed conveniently, the connecting sleeve 5 is of a stepped annular structure, the large-diameter end of the connecting sleeve 5 is fixedly connected with one end, far away from the front pressing flange plate 1, of the outer sleeve 4 through a bolt, the small-diameter end of the connecting sleeve 5 is connected with the rotary kiln door 7, and the connecting sleeve 5 and the rotary kiln door 7 are of an integrated structure.
When the burner is installed, firstly, the spray pipe 601 is inserted into the circular through hole of the inner sleeve 3, then the outer sleeve 4 and the connecting sleeve 5 are fixed through bolts, then the spray pipe 601 is placed in the rotary kiln, finally, the outer sleeve 4 and the front pressure flange plate 1 are fixed through bolts, and the burner 6 is fixed;
during operation, the spray pipe 601 moves in a channel formed by the inner sleeve 3 and the outer sleeve 4, airflow backflow exists at the contact part of the spray pipe 601 and the rotary kiln door 7 during movement, and the airflow is blocked by the asbestos packing layer 2 at the gap position of the inner sleeve 3 and the outer sleeve 4, so that environmental pollution caused by overflow of flying sand is avoided.
The above-described embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the invention, so that equivalent changes and modifications made by the structure, features and principles of the invention should be included in the scope of the claims of the present invention.
Claims (5)
1. A rotary kiln head burner sealing device capable of adjusting position comprises a burner (6) and a rotary kiln door (7), wherein the burner (6) comprises a spray pipe (601), the spray pipe (601) is arranged inside a rotary kiln, and the rotary kiln head burner sealing device is characterized in that a sealing device is arranged at the contact position of the periphery of the spray pipe (601) and the rotary kiln door (7), the sealing device comprises a front pressure flange plate (1), an asbestos packing layer (2), an inner sleeve (3), an outer sleeve (4) and a connecting sleeve (5), the front pressure flange plate (1) is sleeved on the outer annular surface of the inner sleeve (3) and fixedly connected with the outer sleeve (4), the asbestos packing layer (2) is arranged between the front pressure flange plate (1) and the inner sleeve (3), one end, far away from the front pressure flange plate (1), of the outer sleeve (4) is fixedly connected with the connecting sleeve (5), connecting sleeve (5) and rotary kiln door (7) fixed connection, interior sleeve pipe (3) and outer tube (4) and the inside intercommunication of rotary kiln, spray tube (601) pass interior sleeve pipe (3), outer tube (4) and rotary kiln door (7) and set up inside the rotary kiln, spray tube (601) and interior sleeve pipe (3) swing joint.
2. The rotary kiln head burner sealing device capable of adjusting the position as claimed in claim 1, wherein the inner sleeve (3) is of a cylindrical structure with an open end and a hollow interior, a circular through hole is formed in the bottom surface of the inner sleeve (3), a front pressing flange (1) is arranged on the outer annular surface of the side, provided with the circular through hole, of the inner sleeve (3), an inward truncated cone-shaped groove is formed in the inner annular surface of the small-diameter end of the front pressing flange (1), the asbestos packing layer (2) is filled in the truncated cone-shaped groove, the asbestos packing layer (2) is arranged around the inner sleeve (3), the asbestos packing layer (2) is attached to the truncated cone-shaped groove formed in the small-diameter end of the front pressing flange (1), the corresponding asbestos packing layer (2) is of an annular truncated cone structure, and the inner annular surface of the packing layer (2) is fixed to the outer annular surface of the inner sleeve (3), The outer ring surface of the asbestos packing root layer (2) is fixed with the front pressing flange plate (1).
3. The rotary kiln head burner sealing device capable of adjusting the position as claimed in claim 2, wherein the outer sleeve (4) is a circular ring-shaped structure with an I-shaped cross section, and the outer sleeve (4) is fixedly connected with the large-diameter end of the front pressure flange plate (1) through a bolt.
4. The sealing device for the kiln head burner of the rotary kiln capable of adjusting the position as claimed in claim 3, wherein one side of the outer sleeve (4) close to the asbestos packing layer (2) is provided with a chamfer, the transverse section of the chamfer is in contact with the outer surface of the small-diameter end of the front pressing flange (1), the vertical section of the chamfer is attached to the bottom surface of the asbestos packing layer (2), and a gap is reserved between the outer sleeve (4) and the inner sleeve (3).
5. The rotary kiln head burner sealing device capable of adjusting the position as claimed in claim 3, wherein the connecting sleeve (5) is of a stepped annular structure, the large diameter end of the connecting sleeve (5) is fixedly connected with one end, far away from the front pressure flange plate (1), of the outer sleeve (4) through a bolt, the small diameter end of the connecting sleeve (5) is connected with a rotary kiln door (7), and the connecting sleeve (5) and the rotary kiln door (7) are of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021746388.7U CN212842864U (en) | 2020-08-20 | 2020-08-20 | Rotary kiln head burner sealing device capable of adjusting position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021746388.7U CN212842864U (en) | 2020-08-20 | 2020-08-20 | Rotary kiln head burner sealing device capable of adjusting position |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212842864U true CN212842864U (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021746388.7U Active CN212842864U (en) | 2020-08-20 | 2020-08-20 | Rotary kiln head burner sealing device capable of adjusting position |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212842864U (en) |
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2020
- 2020-08-20 CN CN202021746388.7U patent/CN212842864U/en active Active
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