CN218097164U - Rotary kiln tail sealing device - Google Patents
Rotary kiln tail sealing device Download PDFInfo
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- CN218097164U CN218097164U CN202222144572.XU CN202222144572U CN218097164U CN 218097164 U CN218097164 U CN 218097164U CN 202222144572 U CN202222144572 U CN 202222144572U CN 218097164 U CN218097164 U CN 218097164U
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- rotary kiln
- friction circle
- dynamic friction
- kiln tail
- circle
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Abstract
The utility model belongs to the technical field of the rotary kiln, concretely relates to rotary kiln tail sealing device, including the rotary kiln barrel, the kiln tail cover, the static friction circle, dynamic friction circle and a plurality of cylinder, the slope of rotary kiln barrel sets up, the kiln tail cover sets up the one end that is high at rotary kiln barrel position, the cover mouth has been seted up to one side that the kiln tail cover is close to the rotary kiln barrel, the outside at the rotary kiln barrel is fixed to the static friction circle, the dynamic friction circle sets up the cover mouth department at the kiln tail cover, fixedly connected with rubber cloth and a plurality of spring between dynamic friction circle and the kiln tail cover, a plurality of spring is evenly arranged along the tip circumference of dynamic friction circle, be provided with the curved graphite cake of a plurality of between dynamic friction circle and the static friction circle, a plurality of graphite cake is evenly laid along the outer fringe circumference of dynamic friction circle, the cylinder block of a plurality of cylinder is all fixed on the kiln tail cover, and the piston rod of cylinder is articulated mutually with the outside of dynamic friction circle. The device has simple structure, can effectively reduce air leakage and material leakage, and protects the environment and the health of staff.
Description
Technical Field
The utility model belongs to the technical field of the rotary kiln, specifically relate to a rotary kiln tail sealing device.
Background
In recent years, rotary kilns are widely applied to industries such as building materials, metallurgy, mines, chemical engineering and the like as most widely applied calcining equipment due to firm structure, stable operation and high quality of discharged products. In the cement industry, the rotary kiln is the core equipment of cement production enterprises, and the operation efficiency of the rotary kiln plays a significant role in the whole process of cement production and the economic benefit of cement production in factories. At present, the kiln tail of a rotary kiln of a certain factory is sealed by adopting end face friction, the interval between a dynamic friction ring and a static friction ring is required to be 1mm, an automatic oiling machine is used for filling lubricating oil for sealing in the interval, the temperature of the kiln tail is high, the dynamic friction ring is deformed, the processing precision and the installation precision of the dynamic friction ring and the static friction ring are limited, and a gravity block cannot enable the interval between the dynamic friction ring and the static friction ring to be always kept at 1mm, the actual interval of the rotary kiln during operation is 10-20mm, air leakage is serious, the interval between the dynamic friction ring and the static friction ring of the rotary kiln during parking and maintenance is about 100mm at the maximum, material leakage is serious, dust pollution is large, and the physical health of staff is seriously damaged.
Therefore, improvements are needed.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned problem that exists among the prior art, the utility model provides a rotary kiln tail sealing device, including the rotary kiln barrel, the kiln tail cover, the static friction circle, dynamic friction circle and a plurality of cylinder, the slope of rotary kiln barrel sets up, and the high one end in rotary kiln barrel position is provided with the feed inlet, the kiln tail cover sets up the one end that is high in rotary kiln barrel position, the kiln tail cover is close to one side of rotary kiln barrel and has seted up the cover mouth, and the cover mouth is corresponding with the feed inlet of rotary kiln barrel, the static friction circle is fixed in the outside of rotary kiln barrel and is close to the one end of feed inlet, the dynamic friction circle sets up the cover mouth department at the kiln tail cover, and be located between kiln tail cover and the static friction circle, fixedly connected with rubber cloth and a plurality of spring between dynamic friction circle and the kiln tail cover, a plurality of spring all is located the inboard of rubber cloth, and a plurality of spring evenly arrange along the tip circumference of dynamic friction circle, be provided with a plurality of curved graphite plate between dynamic friction circle and the static friction circle, a plurality of graphite plate evenly lay along the outer fringe of dynamic friction circle, the cylinder seat of a plurality of cylinder all fixes on the tail cover, and the outside articulated mutually of cylinder.
Preferably, one end of the static friction ring, which is close to the dynamic friction ring, is provided with a first friction ring, one end of the dynamic friction ring, which is close to the static friction ring, is provided with a second friction ring, the first friction ring and the second friction ring correspond to each other, and the first friction ring and the second friction ring are both made of high-carbon alloy steel after heat treatment.
Preferably, the number of the cylinders is more than four, and the cylinders are uniformly distributed outside the dynamic friction ring.
Preferably, a gap of 5-10mm is reserved between two adjacent graphite plates.
The utility model discloses still including enabling the other subassemblies of a rotary kiln tail sealing device normal use, be the conventional technical means in this field. In addition, the device or the component which is not limited in the utility model adopts the conventional technical means in the field, such as a rotary kiln cylinder body, a kiln tail cover, a cylinder and the like.
The utility model discloses a theory of operation is, when using, and the static friction circle rotates along with the rotary kiln barrel, because the rotary kiln barrel has certain gradient, steerable each cylinder is tensile or shrink piston rod makes the dynamic friction circle keep having the same angle of inclination with the static friction circle, guarantees simultaneously that the dynamic friction circle hugs closely the static friction circle, makes clearance control between the two within 1mm, in addition, curved graphite cake can keep off the excessive of drag reduction dust to a certain extent.
The beneficial effects of the utility model are that, through the design of dynamic friction circle, static friction circle, cylinder, spring and graphite cake, guarantee that the dynamic friction circle hugs closely the static friction circle, make clearance control between the two within 1mm, reduce the hourglass wind, leak the material, in addition, curved graphite cake can to a certain extent the drag reduction keep off the excessive of dust, avoids a large amount of dust polluted environment, has protected that staff's is healthy.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is the schematic structural diagram of the rotary kiln tail sealing device of the utility model after the rubber cloth is removed.
Fig. 3 is a schematic structural view of the dynamic friction ring of the present invention.
Fig. 4 is a schematic structural view of the static friction ring of the present invention.
In the figure: 1. the rotary kiln comprises a rotary kiln barrel, 2 kiln tail covers, 3 static friction rings, 4 dynamic friction rings, 5 air cylinders, 6 rubber cloth, 7 springs, 8 graphite plates, 9 first friction rings and 10 second friction rings.
Detailed Description
The present invention will be described more clearly with reference to the accompanying drawings and specific embodiments in the embodiments of the present invention, and the description herein is only for explaining the present invention, but not for limiting the present invention. Based on the embodiments of the present invention, any modifications, equivalent replacements, improvements, etc. made by other embodiments obtained by those skilled in the art without creative efforts should be included in the protection scope of the present invention.
Examples
As shown in fig. 1 and 2, a rotary kiln tail sealing device comprises a rotary kiln barrel 1, a kiln tail cover 2, a static friction ring 3, a dynamic friction ring 4 and a plurality of cylinders 5, wherein the rotary kiln barrel 1 is obliquely arranged, a feed inlet is arranged at the high end of the rotary kiln barrel 1, the kiln tail cover 2 is arranged at the high end of the rotary kiln barrel 1, a cover opening is arranged at one side of the kiln tail cover 2 close to the rotary kiln barrel 1 and corresponds to the feed inlet of the rotary kiln barrel 1, the static friction ring 3 is fixed at the outer part of the rotary kiln barrel 1 and is close to one end of the feed inlet, the dynamic friction ring 4 is arranged at the cover opening of the kiln tail cover 2 and is positioned between the kiln tail cover 2 and the static friction ring 3, fixedly connected with rubberized fabric 6 and a plurality of spring 7 between dynamic friction circle 4 and the kiln hood 2, rubberized fabric 6 is high temperature resistant and can avoid the raise dust, a plurality of springs 7 all are located the inboard of rubberized fabric 6, and a plurality of springs 7 evenly arrange along the tip circumference of dynamic friction circle 4, springs 7 can provide certain thrust for dynamic friction circle 4, improve sealed effect, be provided with curved graphite plate 8 of a plurality of between dynamic friction circle 4 and the static friction circle 3, the outer fringe circumference of dynamic friction circle 4 is evenly laid along a plurality of graphite plate 8, the cylinder block of a plurality of cylinder 5 is all fixed on kiln hood 2, and the piston rod of cylinder 5 is articulated mutually with the outside of dynamic friction circle 4.
The number of the cylinders 5 is four, the four cylinders 5 are uniformly distributed outside the dynamic friction ring 4, and every two of the four cylinders 5 are in a group and are arranged up and down correspondingly.
A gap of 5mm is reserved between every two adjacent graphite plates 8, so that the dust can be prevented from overflowing to a certain extent, and a large amount of dust is prevented from polluting the environment.
As shown in fig. 3 and 4, a first friction ring 9 is disposed at one end of the static friction ring 3 close to the dynamic friction ring 4, a second friction ring 10 is disposed at one end of the dynamic friction ring 4 close to the static friction ring 3, the first friction ring 9 and the second friction ring 10 correspond to each other, both the first friction ring 9 and the second friction ring 10 are made of heat-treated high-carbon alloy steel, and the disclosed chinese patent with application number CN202123027143.6, which is a technical feature of "a novel kiln tail friction ring for rotary kilns" can be adopted.
Combine shown in fig. 1-4, the utility model discloses an operating principle is, when using, the static friction circle 3 rotates along with rotary kiln barrel 1, because rotary kiln barrel 1 has certain gradient, the tensile or shrink piston rod of steerable each cylinder 5 makes dynamic friction circle 4 keep having the same angle of inclination with static friction circle 3, guarantee simultaneously that dynamic friction circle 4 hugs closely static friction circle 3, make the clearance control between the two within 1mm, in addition, curved graphite cake 8 can reduce the excessive of resistance fender dust to a certain extent.
While embodiments of the invention have been described above, the above description is illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.
Claims (4)
1. The utility model provides a rotary kiln tail sealing device, includes rotary kiln barrel, kiln tail cover, static friction circle, dynamic friction circle and a plurality of cylinder, and the slope of rotary kiln barrel sets up, and the high one end of rotary kiln barrel position is provided with the feed inlet, and the kiln tail cover sets up the high one end in rotary kiln barrel position, and the kiln tail cover is close to one side of rotary kiln barrel and has seted up the cover mouth, and the cover mouth is corresponding with the feed inlet of rotary kiln barrel, its characterized in that: the static friction circle is fixed in the outside of rotary kiln barrel and is close to the one end of feed inlet, the dynamic friction circle sets up the cover mouth department at the kiln tail cover, and be located between kiln tail cover and the static friction circle, fixedly connected with rubber cloth and a plurality of spring between dynamic friction circle and the kiln tail cover, a plurality of spring all are located the inboard of rubber cloth, and a plurality of spring evenly arranges along the tip circumference of dynamic friction circle, be provided with the curved graphite cake of a plurality of between dynamic friction circle and the static friction circle, the outer fringe circumference of a plurality of graphite cake edge dynamic friction circle is evenly laid, the cylinder block of a plurality of cylinder all is fixed on the kiln tail cover, and the piston rod of cylinder is articulated mutually with the outside of dynamic friction circle.
2. The rotary kiln tail sealing device according to claim 1, characterized in that: a first friction ring is arranged at one end, close to the dynamic friction ring, of the static friction ring, a second friction ring is arranged at one end, close to the static friction ring, of the dynamic friction ring, and the first friction ring and the second friction ring correspond to each other.
3. The rotary kiln tail sealing device according to claim 1, characterized in that: the number of the cylinders is more than four, and the cylinders are uniformly distributed outside the dynamic friction ring.
4. The rotary kiln tail sealing device according to claim 1, characterized in that: a gap of 5-10mm is reserved between two adjacent graphite plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222144572.XU CN218097164U (en) | 2022-08-15 | 2022-08-15 | Rotary kiln tail sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222144572.XU CN218097164U (en) | 2022-08-15 | 2022-08-15 | Rotary kiln tail sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218097164U true CN218097164U (en) | 2022-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222144572.XU Active CN218097164U (en) | 2022-08-15 | 2022-08-15 | Rotary kiln tail sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218097164U (en) |
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2022
- 2022-08-15 CN CN202222144572.XU patent/CN218097164U/en active Active
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