CN218915868U - Novel rotary kiln head sealing device - Google Patents
Novel rotary kiln head sealing device Download PDFInfo
- Publication number
- CN218915868U CN218915868U CN202221204766.8U CN202221204766U CN218915868U CN 218915868 U CN218915868 U CN 218915868U CN 202221204766 U CN202221204766 U CN 202221204766U CN 218915868 U CN218915868 U CN 218915868U
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- Prior art keywords
- flange
- kiln head
- fixedly connected
- sealing mechanism
- positive pressure
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- 238000007789 sealing Methods 0.000 title claims abstract description 73
- 241000251468 Actinopterygii Species 0.000 claims abstract description 25
- 229920000742 Cotton Polymers 0.000 claims abstract description 18
- 230000002441 reversible effect Effects 0.000 claims description 15
- 239000000428 dust Substances 0.000 description 7
- 239000004576 sand Substances 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model provides a novel rotary kiln head sealing device which comprises a structural part sealing mechanism, a micro-positive pressure sealing mechanism, a cold air mechanism and a funnel. The cold air mechanism comprises a cold air input port, a wind box, a movable spring plate, a second cone flange, a high-temperature-resistant fish scale, a wear-resistant backing plate, a facade flange, filter cotton and a cold air sleeve, wherein the cold air input port is sleeved on the upper portion of the wind box, the lower portion of the wind box is fixed on a kiln head cylinder through the movable spring plate, the second cone flange is sleeved on the right side of the movable spring plate, the surface of the second cone flange is provided with the high-temperature-resistant fish scale, the lower end of the high-temperature-resistant fish scale is tightly attached to the surface of the wear-resistant backing plate, the wear-resistant backing plate is annularly arranged on the kiln head cylinder, one side of the micro-positive pressure sealing mechanism is fixedly connected with the facade flange, the facade flange is sleeved with the filter cotton, and the cold air sleeve is annularly arranged on the inner side of the micro-positive pressure sealing mechanism.
Description
Technical Field
The utility model relates to the field of cement production devices, in particular to a novel kiln head sealing device of a rotary kiln.
Background
Most rotary kilns can generate kiln head positive pressure in a long-term operation process to different degrees and are accompanied with the phenomenon of sand flying in front of the kiln, after long-term operation, the kiln head cover and the sealing service life of the kiln head are influenced, meanwhile, the existing rotary kiln head is cooled by air, hot air emitted by the kiln head cover is liquefied when encountering cold air, the generated moisture easily causes the kiln head barrel to oxidize and rust under the condition of high temperature, the front end of the kiln head is deformed at high temperature, and the service life of the rotary kiln head is shortened.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides a novel rotary kiln head sealing device.
The technical scheme of the utility model is as follows:
the utility model provides a novel rotary kiln head sealing device includes structure sealing mechanism, micro-positive pressure sealing mechanism, cold wind mechanism and funnel, structure sealing mechanism one side fixed connection micro-positive pressure sealing mechanism with the funnel, micro-positive pressure sealing mechanism opposite side fixed connection cold wind mechanism, cold wind mechanism intercommunication the funnel, novel rotary kiln head sealing device has cup jointed a rotary kiln head.
The cold air mechanism comprises a cold air input port, an air box, a movable spring plate, a second cone flange, a high-temperature-resistant fish scale, a wear-resistant backing plate, a facade flange, filter cotton and a cold air sleeve, wherein the upper part of the air box is sleeved with the cold air input port, the lower part of the air box is fixed on a kiln head cylinder through the movable spring plate, the right side of the movable spring plate is sleeved with the second cone flange, the outer surface of the second cone flange is provided with the high-temperature-resistant fish scale, the lower end of the high-temperature-resistant fish scale is tightly attached to the surface of the wear-resistant backing plate, and the wear-resistant backing plate is annularly arranged on the kiln head cylinder; one side of the micro positive pressure sealing mechanism is fixedly connected with the elevation flange, the elevation flange is sleeved with the filter cotton, and the cold air lantern ring is installed on the inner side of the micro positive pressure sealing mechanism in a circle.
Further, the structural member sealing mechanism comprises a sleeve, a first connecting sleeve, a fire blocking flange and a soft sealing piece. One end of the sleeve is fixedly connected with the kiln head cover wall, the other end of the sleeve is fixedly connected with the left side of the first connecting sleeve, one side of the first connecting sleeve is fixedly connected with the upper end of the fire-blocking flange, and one section of the fire-blocking flange is fixedly connected with the soft sealing piece.
Further, the micro positive pressure sealing mechanism comprises a forward fish scale, a second connecting sleeve, a diversion trench, a reverse fish scale and a first cone flange, wherein one end of the forward fish scale is sleeved with the soft sealing piece, the other end of the forward fish scale is fixedly connected with the upper end of the second connecting sleeve, the lower part of the second connecting sleeve is fixedly connected with one section of the diversion trench, the lower side of the diversion trench is fixedly connected with the elevation flange, one end of the reverse fish scale is fixedly connected with the bellows through the first cone flange, and the other end of the reverse fish scale is abutted against the kiln head barrel.
Further, one side of the diversion trench is fixedly connected with the elevation flange, and the other side of the diversion trench is fixedly connected with the cold air sleeve.
Further, the structural member sealing mechanism and the micro positive pressure sealing mechanism are fan rings, the cold air mechanism is annular, the micro positive pressure sealing mechanism is sleeved with the cold air mechanism, the micro positive pressure sealing mechanism and the cold air mechanism are both connected with the filter cotton, and both are communicated with the funnel.
Further, one side of the fire-blocking flange is fixedly connected with the inner side wall of the funnel.
The beneficial effects of the utility model are as follows:
(1) The filter cotton can absorb moisture brought by cooling the front end of the kiln head cylinder, prevent the cylinder from rusting and prolong the service life of the rotary kiln.
(2) The filter cotton is arranged to better collect flying sand and flying dust in the kiln head cover, so that the flying sand and dust discharge amount in the kiln head cover is greatly reduced when the kiln head is in positive pressure.
Description of the drawings:
FIG. 1 is a perspective view of a novel rotary kiln head sealing device according to the utility model;
FIG. 2 is a schematic diagram of a novel kiln head sealing device for a rotary kiln according to the utility model;
FIG. 3 is a cross-sectional view of a novel rotary kiln head sealing device according to the utility model;
fig. 4 is a partial cross-sectional view of a novel rotary kiln head sealing device according to the utility model.
Reference numerals:
100. a structural member sealing mechanism; 101. a sleeve; 102. a first connection sleeve; 103. a fire blocking flange; 104. A soft seal; 200. a micro positive pressure sealing mechanism; 201. forward fish scale; 202. a second connecting sleeve; 203. a diversion trench; 204. reverse fish scales; 205. a first cone flange; 300. a cold air mechanism; 301. A cold air inlet; 302. a wind box; 303. a movable spring plate; 304. a second cone flange; 305. high temperature resistant fish scales; 306. wear-resistant backing plate; 307. a facade flange; 308. filtering cotton; 309. a cold air sleeve; 400. And (5) a funnel.
Detailed Description
In order to make the technical scheme and technical effects of the utility model more clear, the utility model is further described below with reference to specific embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 and 2, a novel kiln head sealing device of a rotary kiln comprises a structural member sealing mechanism 100, a micro positive pressure sealing mechanism 200, a cold air mechanism 300 and a funnel 400, wherein the kiln head wall is fixedly connected with the left side of the structural member sealing mechanism 100, one side of the structural member sealing mechanism 100 is fixedly connected with the micro positive pressure sealing mechanism 200 and the funnel 400, the other side of the micro positive pressure sealing mechanism 200 is fixedly connected with the cold air mechanism 300, the cold air mechanism 300 is communicated with the funnel 400, the left side wall of the funnel 400 is fixedly connected with the kiln head wall, and the novel kiln head sealing device of the rotary kiln is sleeved with a kiln head.
Referring to fig. 3, the structural member sealing mechanism 100 comprises a sleeve 101, a first connecting sleeve 102, a fire-blocking flange 103 and a soft sealing piece 104, wherein one end of the sleeve 101 is fixedly connected with a kiln head cover wall, the other end of the sleeve 101 is fixedly connected with the left side of the first connecting sleeve 102, one side of the first connecting sleeve 102 is fixedly connected with the upper end of the fire-blocking flange 103, and one section of the fire-blocking flange 103 is fixedly connected with the soft sealing piece 104.
Referring to fig. 4, the micro-positive pressure sealing mechanism 200 comprises a forward scale 201, a second connecting sleeve 202, a diversion trench 203, a reverse scale 204 and a first cone flange 205, wherein one end of the forward scale 201 is sleeved with a soft sealing piece 104, the other end of the forward scale 201 is fixedly connected with the upper end of the second connecting sleeve 202, the lower part of the second connecting sleeve 202 is fixedly connected with the diversion trench 203 for one section, the lower part of the diversion trench 203 is fixedly connected with a cold air mechanism 300, the cold air mechanism 300 is fixedly connected with the reverse scale 204 through the first cone flange 205, and the lower end of the reverse scale 204 is abutted to a kiln head cylinder.
The cold air mechanism 300 comprises a cold air inlet 301, an air box 302, a movable spring plate 303, a second cone flange 304, a high-temperature-resistant fish scale 305, a wear-resistant backing plate 306, a vertical face flange 307, filter cotton 308 and a cold air sleeve 309. Reverse fin 204 passes through first cone flange 205 fixed connection bellows 302, bellows 302 upper portion cup joints cold wind input port 301, bellows 302 below passes through movable spring plate 303 to be fixed on the kiln head barrel, movable spring plate 303 right side cup joints second cone flange 304, second cone flange 304 surface mounting has high temperature resistant fin 305, high temperature resistant fin 305 lower extreme is hugged closely and is attached to wear-resisting backing plate 306 surface, wear-resisting backing plate 306 annular is installed in the kiln head barrel round, guiding gutter 203 lower part fixed connection facade flange 307, facade flange 307 cup joints filter cotton 308, cold wind cover 309 annular is installed in the inside round of second adapter sleeve 202.
In the long-term operation process of the rotary kiln, positive kiln head pressure and phenomena of flying sand in front of the kiln and high-temperature rusting deformation of the kiln head are generated at different degrees, and the problem can be solved at one time by arranging the structural part sealing mechanism (100), the micro-positive pressure sealing mechanism (200) and the cold air mechanism (300).
During the use process, the flying sand material and the smoke dust emerge from the kiln head cover through the kiln head back iron under the positive pressure state of the kiln head, enter the structural member sealing mechanism 100, firstly collide with the left fire blocking flange 103 and lose kinetic energy, and slide down to the funnel 400 at the bottom end along the second connecting sleeve 202 under the action of gravity to be collected; a small portion of sand and stones will pass through the fire-blocking flange 103 and blow to the forward-direction fish scales 201, at this time, under the guiding flow of the cold air mechanism 300, cold air from the air box 302 will form a micro-positive pressure state in the area between the first connecting sleeve 102 and the second connecting sleeve 202, and the forward-direction fish scales 201 are tightly adhered to the second connecting sleeve 202 under pressure, so that sand and stones are prevented from entering. When hot air with materials blows to the diversion trench 203 along the second connecting sleeve 202, cold air from the bellows 302 blows to the forward scale 201 along the first connecting sleeve 102 through the area between the diversion trench 203, the filter cotton 308 and the reverse scale 204, the cold air and the hot air with materials meet to form vortex, the dust continuously impacts in the vortex, the dust impacts each other, the kinetic energy is lost, and meanwhile, the filter cotton 308 at the lower end of the diversion trench 203 filters and blocks the dust, so that the dust slides downwards along the second connecting sleeve 202 and the kiln head barrel under the action of gravity and is collected by a funnel.
Preventing the kiln head from high-temperature deformation: in the cooling mechanism 300, cold air enters the air box 302 through the cold air input port 301, the air box 302 blows the cold air into the area between the diversion trench 203, the filter cotton 308 and the reverse fish scale 204 through the left air outlet, the cold air passes through the filter cotton 308 along the kiln head barrel and can be blown to the vicinity of the kiln mouth back iron through the cold air sleeve 309, the temperature of the front end of the kiln head barrel can be continuously reduced, meanwhile, the filter cotton 308 can absorb moisture brought by cooling the front end of the kiln head barrel, the barrel is prevented from rusting, and the deformation time of the front end of the kiln head barrel is prolonged. Meanwhile, cold air blows to the reverse fin 204 along the diversion trench 203, the reverse fin 204 is pressed downwards by pressure to press the air box 302, the movable spring plate 303 at the lower end of the air box 302 is compressed, the influence of wind force is buffered, and cold air cannot enter the kiln hood due to the diversion trench on the cold air sleeve.
The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described. For those skilled in the art, the architecture of the utility model can be flexible and changeable without departing from the concept of the utility model, and serial products can be derived. But a few simple derivatives or substitutions should be construed as falling within the scope of the utility model as defined by the appended claims.
Claims (6)
1. The utility model provides a novel rotary kiln head sealing device, includes structure sealing mechanism (100), micro positive pressure sealing mechanism (200), cold wind mechanism (300) and funnel (400), structure sealing mechanism (100) one side fixed connection micro positive pressure sealing mechanism (200) with funnel (400), micro positive pressure sealing mechanism (200) opposite side fixed connection cold wind mechanism (300), cold wind mechanism (300) intercommunication funnel (400), novel rotary kiln head sealing device has cup jointed a rotary kiln head, characterized in that, cold wind mechanism (300) include cold wind input port (301), bellows (302), movable spring plate (303), second cone flange (304), high temperature resistant scale (305), wear-resisting backing plate (306), facade flange (307), filter cotton (308) and cold wind cover (309), bellows (302) upper portion cup joints cold wind input port (301), bellows (302) below is passed through movable spring plate (303) are fixed on the kiln head, movable spring plate (303) right side cup joints second cone flange (304), second cone flange (305) is attached to the surface of wear-resisting scale (305) is attached to high temperature resistant flange (305), the wear-resistant backing plate (306) is circumferentially arranged on one circle of the kiln head cylinder, one side of the micro-positive pressure sealing mechanism (200) is fixedly connected with the vertical face flange (307), the vertical face flange (307) is sleeved with the filter cotton (308), and the cold air sleeve (309) is circumferentially arranged on one circle of the inner side of the micro-positive pressure sealing mechanism (200).
2. The novel rotary kiln head sealing device according to claim 1, wherein the structural member sealing mechanism (100) comprises a sleeve (101), a first connecting sleeve (102), a fire-blocking flange (103) and a soft sealing piece (104), one end of the sleeve (101) is fixedly connected with the kiln head cover wall, the other end of the sleeve (101) is fixedly connected with the left side of the first connecting sleeve (102), one side of the first connecting sleeve (102) is fixedly connected with the upper end of the fire-blocking flange (103), and one section of the fire-blocking flange (103) is fixedly connected with the soft sealing piece (104).
3. The novel rotary kiln head sealing device according to claim 2, wherein the micro positive pressure sealing mechanism (200) comprises a forward fish scale (201), a second connecting sleeve (202), a guide groove (203), a reverse fish scale (204) and a first cone flange (205), one end of the forward fish scale (201) is sleeved with the soft sealing piece (104), the other end of the forward fish scale (201) is fixedly connected with the upper end of the second connecting sleeve (202), the lower part of the second connecting sleeve (202) is fixedly connected with one section of the guide groove (203), the lower side of the guide groove (203) is fixedly connected with the vertical surface flange (307), one end of the reverse fish scale (204) is fixedly connected with the bellows (302) through the first cone flange (205), and the other end of the reverse fish scale (204) is abutted against the kiln head cylinder.
4. A novel kiln head sealing device for a rotary kiln according to claim 3, wherein one side of the diversion trench (203) is fixedly connected with the vertical face flange (307), and the other side of the diversion trench (203) is fixedly connected with the cold air sleeve (309).
5. The novel rotary kiln head sealing device according to claim 1, wherein the structural member sealing mechanism (100) and the micro positive pressure sealing mechanism (200) are fan rings, the cold air mechanism (300) is ring-shaped, the micro positive pressure sealing mechanism (200) is sleeved with part of the cold air mechanism (300), the micro positive pressure sealing mechanism (200) and the cold air mechanism (300) are both connected with the filter cotton (308), and both are communicated with the funnel (400).
6. A novel rotary kiln head sealing device according to claim 2, wherein one side of the fire-blocking flange (103) is fixedly connected with the inner side wall of the hopper (400).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221204766.8U CN218915868U (en) | 2022-05-19 | 2022-05-19 | Novel rotary kiln head sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221204766.8U CN218915868U (en) | 2022-05-19 | 2022-05-19 | Novel rotary kiln head sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218915868U true CN218915868U (en) | 2023-04-25 |
Family
ID=86049800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221204766.8U Expired - Fee Related CN218915868U (en) | 2022-05-19 | 2022-05-19 | Novel rotary kiln head sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218915868U (en) |
-
2022
- 2022-05-19 CN CN202221204766.8U patent/CN218915868U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20230425 |
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| CF01 | Termination of patent right due to non-payment of annual fee |