CN217504310U - Water-cooled rotary kiln dynamic seal device - Google Patents
Water-cooled rotary kiln dynamic seal device Download PDFInfo
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- CN217504310U CN217504310U CN202221081395.9U CN202221081395U CN217504310U CN 217504310 U CN217504310 U CN 217504310U CN 202221081395 U CN202221081395 U CN 202221081395U CN 217504310 U CN217504310 U CN 217504310U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The utility model discloses a water-cooled rotary kiln moves sealing device, it includes the rotary kiln barrel, sealed mounting flange and water-cooling bellows, sealed mounting flange cover is established on the rotary kiln barrel, sealed mounting flange has the annular arch, the annular arch encircles the rotary kiln barrel, be provided with sealing member and sealing ring between annular arch and the rotary kiln barrel, the rotary kiln barrel outside is located to the sealing member cover and offsets with the rotary kiln barrel, along rotary kiln barrel axis direction, the both sides of sealing member offset with sealing ring and sealed mounting flange respectively, and the sealing member, be formed with the water-cooling seal chamber between sealing ring and the annular arch, water-cooling bellows runs through the water-cooling seal chamber from the bellied outer wall of annular, and water-cooling bellows presses from the outside of sealing member and supports the sealing member, water-cooling bellows passes through the sealing ring and is spacing in the water-cooling seal chamber. The utility model discloses a sealing member forms the dynamic seal face with the laminating of rotary kiln barrel surface to through letting in the cooling water to the water-cooling bellows, reduce sealed face temperature.
Description
Technical Field
The utility model relates to a rotary kiln technical field especially relates to a water-cooled rotary kiln dynamic seal device.
Background
The rotary kiln is a thermal device widely used in cement, metallurgy, ceramics, environmental protection and other industries. The rotary kiln mainly comprises a kiln head, a kiln tail and a cylinder body, wherein the kiln head, the kiln tail and the cylinder body are connected through dynamic sealing. In the process of dynamic sealing, the dynamic sealing surface often generates high temperature, which affects the service life of the sealing structure and destroys the tightness,
therefore, a new technical solution is needed.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems in the prior art, the utility model discloses a dynamic sealing device of a water-cooled rotary kiln, which comprises a rotary kiln cylinder body, a sealing fixed flange and a water-cooling corrugated pipe, wherein the sealing fixed flange is sleeved on the rotary kiln cylinder body, the sealing fixed flange is provided with an annular bulge, the annular bulge surrounds the rotary kiln cylinder body, a sealing element and a sealing ring are arranged between the annular bulge and the rotary kiln cylinder body, the sealing element is sleeved outside the rotary kiln cylinder body and is abutted against the rotary kiln cylinder body, the two sides of the sealing element are respectively abutted against the sealing ring and the sealing fixed flange along the axial direction of the rotary kiln cylinder body, a water-cooling sealing cavity is formed among the sealing element, the sealing ring and the annular bulge, the water-cooling corrugated pipe penetrates through the water-cooling sealing cavity from the outer wall of the annular bulge, and the water-cooling corrugated pipe is pressed against the sealing element from the outer side of the sealing element, the water-cooling corrugated pipe is limited in the water-cooling sealing cavity through the sealing ring.
The rotary kiln comprises a rotary kiln cover body and a compensation corrugated pipe, wherein the compensation corrugated pipe is sleeved on the rotary kiln cylinder body, one end of the compensation corrugated pipe is connected with the sealing fixed flange, the other end of the compensation corrugated pipe is connected with the rotary kiln cover body, and the annular bulge is arranged on one side, far away from the compensation corrugated pipe, of the sealing fixed flange.
Furthermore, the outer surface of the rotary kiln barrel is also connected with a fixing plate, the fixing plate is pressed by the sealing element, and a dynamic sealing surface is formed on one surface of the fixing plate facing the sealing element.
Further, the bellied periphery wall of annular is provided with water-cooling bellows fixed plate, the both ends of water-cooling bellows are fixed on the water-cooling bellows fixed plate, the water-cooling bellows both ends are water-cooling delivery port and water-cooling water inlet respectively, the water-cooling water inlet with the water-cooling delivery port certainly the bellied outer wall of annular runs through the water-cooling sealed chamber.
Further, install sealed regulator on the water-cooling bellows, the external screw thread of water-cooling water inlet with the external screw thread of delivery port respectively with the internal thread connection of sealed regulator, just sealed regulator suit is in the mounting hole of water-cooling bellows fixed plate.
Furthermore, a sealing pressure plate is fixedly connected to one axial side of the annular bulge, a plurality of adjusting screws are connected to the sealing pressure plate in a threaded manner, the adjusting screws are abutted against the sealing ring, and the adjusting screws can adjust the pressure of the sealing ring on the sealing element.
Further, a sleeving part is further arranged in the water-cooling sealing cavity, and the sleeving part is sleeved on the sealing part and radially compresses the sealing part.
Compared with the prior art, the dynamic sealing device of the water-cooled rotary kiln has one or more of the following beneficial effects:
(1) the utility model discloses in, form the dynamic seal face through the laminating of sealing member and rotary kiln barrel surface, the degree of sealing of its formation can be realized through the laminating degree of adjusting the sealing member with the dynamic seal face by sealed regulator and adjusting screw.
(2) The utility model discloses in, through setting up water-cooling bellows and sealing member to let in the cooling water in the water-cooling bellows, reduce sealed face temperature.
Drawings
Fig. 1 is a schematic front view of a dynamic sealing device of a water-cooled rotary kiln in an embodiment of the present invention;
fig. 2 is a schematic structural view of a dynamic sealing device of a water-cooled rotary kiln in an embodiment of the present invention;
fig. 3 is a schematic front view of another angle of the dynamic sealing device of the water-cooled rotary kiln in the embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of a dynamic sealing device of a water-cooled rotary kiln according to an embodiment of the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 4;
wherein, 1, compensating corrugated pipe; 2. a rotary kiln hood body; 3. a rotary kiln cylinder; 4. sealing the fixed flange; 5. an annular projection; 6. a seal member; 7. a fixing plate; 8. water-cooling the sealing cavity; 9. water cooling water outlet; 10. water cooling the water inlet; 11. a water-cooled bellows; 12. a water-cooled corrugated pipe fixing plate; 13. a seal adjuster; 14. a seal ring; 15. a tightening piece; 16. sealing the pressure plate; 17. and adjusting the screw.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or may be connected through the interior of two elements or in interactive relation with one another. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1 to 4, the present invention discloses a dynamic sealing device for a water-cooled rotary kiln, which includes a rotary kiln cylinder 3, a sealing fixing flange 4 and a water-cooled corrugated pipe 11, wherein the sealing fixing flange 4 is sleeved on the rotary kiln cylinder 3, the sealing fixing flange 4 has an annular protrusion 5, the annular protrusion 5 surrounds the rotary kiln cylinder 3, a sealing member 6 and a sealing ring 14 are disposed between the annular protrusion 5 and the rotary kiln cylinder 3, the sealing member 6 is sleeved outside the rotary kiln cylinder 3 and abuts against the rotary kiln cylinder 3, two sides of the sealing member 6 respectively abut against the sealing ring 14 and the sealing fixing flange 4 along the axial direction of the rotary kiln cylinder 3, a water-cooled sealing cavity 8 is formed between the sealing member 6, the sealing ring 14 and the annular protrusion 5, the water-cooled corrugated pipe 11 penetrates through the water-cooled sealing cavity 8 from the outer wall of the annular protrusion 5, and the water-cooling corrugated pipe 11 is pressed against the sealing element 6 from the outer side of the sealing element 6, and the water-cooling corrugated pipe 11 is limited in the water-cooling sealing cavity 8 through a sealing ring 14.
Referring to fig. 5, the sealing member 6 presses the outer surface of the rotary kiln cylinder 3 and the side surface of the sealing fixing flange 4, a surface friction seal is formed between the rotary kiln cylinder 3 and the sealing member 6, and the sealing member 6 may be made of carbon fiber cloth and a solid lubricating material. In an alternative embodiment, the outer surface of the rotary kiln cylinder 3 is provided with a fixing plate 7, the fixing plate 7 is tightly attached to the rotary kiln cylinder 3, the sealing element 6 is pressed against the fixing plate 7, the surface of the fixing plate 7 facing the sealing element 6 is processed, and the surface of the fixing plate 7 facing the sealing element 6 forms a dynamic sealing surface.
Referring to fig. 2 and 3, a water-cooling corrugated pipe fixing plate 12 is disposed on the outer peripheral wall of the annular protrusion 5, two ends of the water-cooling corrugated pipe 11 are fixed on the water-cooling corrugated pipe fixing plate 12, two ends of the water-cooling corrugated pipe 11 are respectively a water-cooling water outlet 9 and a water-cooling water inlet 10, and the water-cooling water inlet 10 and the water-cooling water outlet 9 penetrate through the water-cooling sealed cavity 8 from the outer wall of the annular protrusion 5.
Referring to fig. 2, 3 and 5, a water-cooling corrugated pipe fixing plate 12 is disposed on the outer circumferential wall of the annular protrusion 5, two ends of the water-cooling corrugated pipe 11 are fixed on the water-cooling corrugated pipe fixing plate 12, a sealing regulator 13 is mounted on the water-cooling corrugated pipe 11, an external thread of the water-cooling water inlet 10 and an external thread of the water outlet 9 are respectively connected with an internal thread of the sealing regulator 13, and the sealing regulator 13 is sleeved in a mounting hole of the water-cooling corrugated pipe fixing plate 12. The seal adjuster 13 and thus the bending and stretching of the water-cooled bellows 11 can be adjusted by the amount of twist of the bellows, so that the water-cooled bellows 11 compresses the seal 6. By introducing cooling water into the water-cooling corrugated pipe 11, the temperature generated by the relative movement of the sealing element 6 and the rotary kiln cylinder 3 can be reduced.
Referring to fig. 5, the sealing ring 14 axially compresses the sealing element 6, the sealing ring 14 can limit the water-cooling corrugated pipe 11 to block the displacement of the water-cooling corrugated pipe 11, so that the water-cooling corrugated pipe 11 is limited in the water-cooling sealing cavity 8, a tightening member 15 is further arranged in the water-cooling sealing cavity 8, and the tightening member 15 is sleeved on the sealing element 6 to further radially compress the sealing element 6.
Continuing to refer to fig. 5, a sealing pressure plate 16 is fixedly connected to one axial side of the annular protrusion 5, the sealing pressure plate 16 surrounds the rotary kiln cylinder 3, a plurality of adjusting screws 17 are connected to the sealing pressure plate 16 in a threaded manner, the adjusting screws 17 are abutted against the sealing ring 14, and the adjusting screws 17 can adjust the pressure of the sealing ring 14 on the sealing element 6.
The utility model discloses a theory of operation: under the motion of the rotary kiln barrel, the sealing element compresses the rotary kiln barrel and the sealing fixed flange, cooling water is introduced into the water-cooling corrugated pipe, the temperature generated by the relative motion of the sealing element and the rotary kiln barrel is reduced, the sealing fixed flange is connected with the compensation corrugated pipe, the sealing element is tightly propped against the water-cooling corrugated pipe and the sealing fixed flange, and then the axial and radial runout generated by the motion of the rotary kiln barrel and the force generated by the expansion and contraction of the rotary kiln can be transmitted to the compensation corrugated pipe, and the compensation is performed through the compensation corrugated pipe.
Compared with the prior art, the dynamic sealing device of the water-cooled rotary kiln has one or more of the following beneficial effects:
(1) the utility model discloses in, form the dynamic seal face through the laminating of sealing member and rotary kiln barrel surface, the degree of tightness of its formation can be realized through the laminating degree of adjusting the sealing member and dynamic seal face by sealed regulator and adjusting screw.
(2) The utility model discloses in, through setting up water-cooling bellows and sealing member to let in the cooling water in the water-cooling bellows, reduce sealed face temperature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.
While embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications and changes may be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (7)
1. The utility model provides a water-cooled rotary kiln moves sealing device, its characterized in that, includes rotary kiln barrel (3), sealed mounting flange (4) and water-cooling bellows (11), sealed mounting flange (4) cover is established on rotary kiln barrel (3), sealed mounting flange (4) have annular arch (5), annular arch (5) encircle rotary kiln barrel (3), annular arch (5) with be provided with sealing member (6) and sealing ring (14) between rotary kiln barrel (3), sealing member (6) cover is located rotary kiln barrel (3) outside and offset with rotary kiln barrel (3), follows rotary kiln barrel (3) axis direction, the both sides of sealing member (6) offset with sealing ring (14) and sealed mounting flange (4) respectively, just be formed with water-cooling seal chamber (8) between sealing member (6), sealing ring (14) and the annular arch (5),
water-cooling bellows (11) certainly the outer wall of annular arch (5) runs through water-cooling seal chamber (8), just water-cooling bellows (11) certainly the outside of sealing member (6) is pressed and is supported sealing member (6), water-cooling bellows (11) are spacing through sealing ring (14) in water-cooling seal chamber (8).
2. The dynamic sealing device of the water-cooled rotary kiln according to claim 1, comprising a rotary kiln cover body (2) and a compensation bellows (1), wherein the compensation bellows (1) is sleeved on the rotary kiln cylinder body (3), one end of the compensation bellows (1) is connected with the sealing fixing flange (4), the other end of the compensation bellows is connected with the rotary kiln cover body (2), and the annular protrusion (5) is located on one side of the sealing fixing flange (4) far away from the compensation bellows (1).
3. The dynamic sealing device of the water-cooled rotary kiln according to claim 1, wherein a fixed plate (7) is further connected to the outer surface of the rotary kiln cylinder (3), the fixed plate (7) is pressed by the sealing element (6), and a dynamic sealing surface is formed on one surface of the fixed plate (7) facing the sealing element (6).
4. The dynamic sealing device of the water-cooled rotary kiln according to claim 1, wherein the outer peripheral wall of the annular protrusion (5) is provided with a water-cooled corrugated pipe fixing plate (12), two ends of the water-cooled corrugated pipe (11) are fixed on the water-cooled corrugated pipe fixing plate (12), two ends of the water-cooled corrugated pipe (11) are respectively a water-cooled water outlet (9) and a water-cooled water inlet (10), and the water-cooled water inlet (10) and the water-cooled water outlet (9) penetrate through the water-cooled sealing cavity (8) from the outer wall of the annular protrusion (5).
5. The dynamic sealing device of the water-cooled rotary kiln according to claim 4, wherein a sealing regulator (13) is installed on the water-cooled corrugated pipe (11), the external thread of the water-cooled water inlet (10) and the external thread of the water outlet (9) are respectively connected with the internal thread of the sealing regulator (13), and the sealing regulator (13) is sleeved in the installation hole of the water-cooled corrugated pipe fixing plate (12).
6. The dynamic sealing device of the water-cooled rotary kiln according to claim 1, wherein a sealing pressure plate (16) is fixedly connected to one axial side of the annular protrusion (5), a plurality of adjusting screws (17) are connected to the sealing pressure plate (16) in a threaded manner, the adjusting screws (17) are abutted against the sealing ring (14), and the adjusting screws (17) can adjust the pressure of the sealing ring (14) on the sealing element (6).
7. The dynamic sealing device of the water-cooled rotary kiln according to claim 1, wherein a sleeve member (15) is further arranged in the water-cooled sealing cavity (8), and the sleeve member (15) is sleeved on the sealing member (6) and radially presses the sealing member (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221081395.9U CN217504310U (en) | 2022-04-28 | 2022-04-28 | Water-cooled rotary kiln dynamic seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221081395.9U CN217504310U (en) | 2022-04-28 | 2022-04-28 | Water-cooled rotary kiln dynamic seal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217504310U true CN217504310U (en) | 2022-09-27 |
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ID=83351196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221081395.9U Active CN217504310U (en) | 2022-04-28 | 2022-04-28 | Water-cooled rotary kiln dynamic seal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217504310U (en) |
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2022
- 2022-04-28 CN CN202221081395.9U patent/CN217504310U/en active Active
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