CN220356048U - Kiln tail structure capable of enhancing tightness - Google Patents
Kiln tail structure capable of enhancing tightness Download PDFInfo
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- CN220356048U CN220356048U CN202321151925.7U CN202321151925U CN220356048U CN 220356048 U CN220356048 U CN 220356048U CN 202321151925 U CN202321151925 U CN 202321151925U CN 220356048 U CN220356048 U CN 220356048U
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- sealing
- kiln tail
- sealing cover
- ring
- tail body
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- 230000002708 enhancing effect Effects 0.000 title claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 168
- 230000005484 gravity Effects 0.000 claims description 5
- 230000001965 increasing effect Effects 0.000 claims description 4
- 239000004568 cement Substances 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000013011 mating Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model relates to the technical field of kiln tail sealing of cement kilns, in particular to a kiln tail structure for enhancing sealing performance. The kiln tail structure for enhancing the sealing performance solves the technical problem that the kiln tail structure of a cement kiln in the prior art is unreasonable, so that the sealing performance of the kiln tail is poor. A kiln tail structure for enhancing tightness comprises a kiln tail body, a sealing cover arranged on the kiln tail body and a fixer for fixing the sealing cover on the kiln tail body; the kiln tail body is provided with a radial sealing inclined surface matched with the sealing cover to seal the kiln tail body along the diameter direction of the kiln tail body, and the sealing cover is provided with a radial sealing part which extends into the kiln tail body and is matched with the radial sealing inclined surface; the first seal and the second seal are arranged between the sealing cover and the kiln tail body, so that the kiln tail body and the sealing cover have better sealing performance.
Description
Technical Field
The utility model relates to the technical field of kiln tail sealing of cement kilns, in particular to a kiln tail structure for enhancing sealing performance.
Background
In cement production process, need use and toast the cement raw materials, traditional kiln tail only uses the door plant to seal, and sealed effect is relatively poor, and after expend with heat and contract with cold, the sealed air in the kiln can expand, with sealed lid jack-up, influences normal work.
In order to prevent the door plate from being jacked, hydraulic equipment or bolts are adopted in the prior art to fix the door plate to the kiln tail so as to prevent the door plate from being jacked. The fixing mode of the door plate is complex in structure and inconvenient to operate, and after the size of the kiln tail body changes due to expansion caused by heat and contraction caused by cold, hydraulic equipment or bolts cannot compensate the size change of the kiln tail, so that the kiln tail is in sealing failure.
Disclosure of Invention
The kiln tail structure for enhancing the sealing performance solves the technical problem that the kiln tail structure of a cement kiln in the prior art is unreasonable, so that the sealing performance of the kiln tail is poor.
Some embodiments employed to solve the above technical problems include:
a kiln tail structure for enhancing tightness comprises a kiln tail body, a sealing cover arranged on the kiln tail body and a fixer for fixing the sealing cover on the kiln tail body;
the kiln tail body is provided with a radial sealing inclined surface matched with the sealing cover to seal the kiln tail body along the diameter direction of the kiln tail body, and the sealing cover is provided with a radial sealing part which extends into the kiln tail body and is matched with the radial sealing inclined surface;
the kiln tail body is further provided with a sealing ring, the sealing ring is arranged along the diameter direction of the kiln tail body, the diameter of the sealing ring is larger than that of the kiln tail body, the sealing ring is provided with an axial sealing groove for sealing the kiln tail body along the axial direction of the kiln tail body, and the sealing cover is provided with a sealing edge matched with the axial sealing groove;
the fixing device is provided with a fixing groove, the sealing ring is provided with a fixing ring, a part of the fixing ring is located in the fixing groove, a part of the sealing cover is located in the fixing groove, a sealing inclined surface is arranged on the side wall of the fixing groove, which is in contact with the sealing cover, the fixing device downwards displaces under the action of gravity, and the sealing inclined surface pushes the sealing cover to displace towards the direction close to the kiln tail body.
Preferably, the fixing device comprises a ring body with a semicircular shape, the fixing groove is formed in the ring body, a weight plate is arranged at one end, far away from the kiln tail body, of the ring body, and the weight plate and the ring body are of an integrated structure.
Preferably, the weight plate is provided with at least two pushing rods for enabling the sealing covers to be stressed uniformly, the sealing covers are provided with guide blocks for guiding the fixing devices, and the guide blocks are in contact with the pushing rods.
Preferably, the guide block is provided with a guide hole, the push rod is inserted into the guide hole, and the guide block and the sealing cover are of an integrated structure.
Preferably, the push rod and the weight plate are of an integrated structure, and the cross section of the push rod is polygonal.
Preferably, a matching inclined surface for increasing the contact area between the sealing inclined surface and the sealing cover is arranged on one side of the sealing cover, which is contacted with the sealing inclined surface.
Preferably, an outer auxiliary inclined plane is arranged on the side, in contact with the fixing groove, of the fixing ring, and an inner auxiliary inclined plane is arranged on the side, in contact with the outer auxiliary inclined plane, of the fixing groove.
Preferably, the sealing ribs have at least two circles, the number of the axial sealing grooves is the same as the number of the sealing ribs, and each sealing rib is matched with the independent axial sealing groove.
Preferably, a compensating gap is arranged between the sealing edge of the sealing cover and the kiln tail body.
Preferably, the fixing ring and the sealing ring are of an integrated structure, and the sealing ring and the kiln tail body are of an integrated structure.
Compared with the prior art, the utility model has the following advantages:
1. through setting up the fixer, be provided with the fixed slot in the fixer, be provided with sealed inclined plane on the sealing lid, after the fixer was assembled fixed ring and sealing lid, owing to the fixer itself has weight, the fixer can down shift under the action of gravity, at this moment, the lateral wall of fixed slot and sealing inclined plane interfere, the effort that the fixer was exerted on sealed inclined plane is divided into two components, one of them component is parallel with the axis of kiln tail body, this component can promote sealed lid to the direction displacement that is close to kiln tail body, thereby make sealed lid can paste tightly with kiln tail body, make kiln tail body have better sealing characteristics.
The sealing inclined plane is matched with the fixer to fix the sealing cover, and after the kiln tail body generates dimensional change, the fixer is displaced under the action of gravity, so that the dimensional change of the kiln tail body can be compensated, the kiln tail body is effectively sealed by the sealing cover, and the sealing performance of the kiln tail body is good.
2. Through setting up radial seal inclined plane and radial seal portion, sealed lid and kiln tail body form first department and seal, through setting up axial seal groove and sealing arris, sealed lid and kiln tail body form second department and seal, have first department seal and second department seal between sealed lid and the kiln tail body and make between kiln tail body and the sealed lid have better sealing performance.
3. The radial sealing part extends into the kiln tail body, and the sealing cover and the kiln tail body are easy to assemble.
Drawings
For purposes of explanation, several embodiments of the present technology are set forth in the following figures. The following drawings are incorporated herein and constitute a part of this detailed description. In some instances, well-known structures and components are shown in block diagram form in order to avoid obscuring the concepts of the subject technology.
Fig. 1 is a schematic view of the internal structure of the present utility model.
Fig. 2 is a schematic diagram of the internal structure of the kiln tail body.
Fig. 3 is a cross-sectional view of the seal cap.
Fig. 4 is a schematic diagram of the present utility model.
Fig. 5 is a schematic view of a kiln tail body.
Fig. 6 is a schematic view of the seal cap.
Fig. 7 is a schematic view of a holder.
In the figure:
1. the kiln comprises a kiln tail body, a radial sealing inclined plane, a sealing ring, an axial sealing groove, a fixing ring and an external auxiliary inclined plane, wherein the kiln tail body is provided with the radial sealing inclined plane, the sealing ring, the axial sealing groove, the fixing ring and the external auxiliary inclined plane.
2. Sealing cover, 21, radial sealing part, 22, sealing edge, 23, guide block, 24, guide hole, 25, and mating inclined plane.
3. The device comprises a fixer 31, a fixing groove 32, a ring body 33, a weight plate 34 and a push rod.
Detailed Description
The specific embodiments illustrated below are intended as descriptions of various configurations of the subject technology and are not intended to represent the only configurations in which the subject technology may be practiced. Particular embodiments include specific details for the purpose of providing a thorough understanding of the subject technology. It will be clear and apparent, however, to one skilled in the art that the subject technology is not limited to the specific details shown herein and may be practiced without these specific details.
Referring to fig. 1 to 7, a kiln tail structure for enhancing sealability includes a kiln tail body 1, a sealing cover 2 provided to the kiln tail body 1, and a holder 3 for fixing the sealing cover 2 to the kiln tail body 1;
the kiln tail body 1 is provided with a radial sealing inclined surface 11 matched with the sealing cover 2 to seal the kiln tail body 1 along the diameter direction of the kiln tail body 1, and the sealing cover 2 is provided with a radial sealing part 21 which extends into the kiln tail body 1 and is matched with the radial sealing inclined surface 11;
the kiln tail body 1 is further provided with a sealing ring 12, the sealing ring 12 is arranged along the diameter direction of the kiln tail body 1, the diameter of the sealing ring 12 is larger than that of the kiln tail body 1, the sealing ring 12 is provided with an axial sealing groove 13 for sealing the kiln tail body 1 along the axial direction of the kiln tail body 1, and the sealing cover 2 is provided with a sealing edge 22 matched with the axial sealing groove 13;
the fixing device 3 is provided with a fixing groove 31, the sealing ring 12 is provided with a fixing ring 14, a part of the fixing ring 14 is located in the fixing groove 31, a part of the sealing cover 2 is located in the fixing groove 31, a sealing inclined surface is arranged on the side wall of the fixing groove 31, which is in contact with the sealing cover 2, the fixing device 3 downwards displaces under the action of gravity, and the sealing inclined surface pushes the sealing cover 2 to displace towards the direction close to the kiln tail body 1.
Referring to fig. 1 to 7, in some embodiments, the fixing device 3 includes a ring body 32 having a semicircular shape, the fixing groove 31 is disposed on the ring body 32, a weight plate 33 is disposed at an end of the ring body 32 away from the kiln tail body 1, and the weight plate 33 and the ring body 32 are integrally formed.
The weight plate 33 is provided with at least two pushing rods 34 for enabling the sealing cover 2 to be uniformly stressed, the sealing cover 2 is provided with guide blocks 23 for guiding the fixing device 3, and the guide blocks 23 are in contact with the pushing rods 34.
When the kiln tail body 1 is circular, the ring body 32 is also circular, and is affected by machining errors and other factors, line contact or surface contact may occur between the fixing ring 14 and the sealing cover 3, and at this time, the contact area between the fixing ring 3 and the sealing cover 2 is not large, which may cause uneven stress on the sealing cover 2.
For this reason, by providing the push rod 34, the push rod 34 is made of a rigid material, and the push rod 34 is in contact with the sealing cover 2, so that the contact area between the holder 3 and the sealing cover 2 is increased, and the sealing cover 2 is uniformly stressed.
Referring to fig. 1 to 7, in some embodiments, the guide block 23 is provided with a guide hole 24, the push rod 34 is inserted into the guide hole 24, and the guide block 23 and the sealing cover 2 are integrally formed.
The push rod 34 and the weight plate 33 are in an integral structure, and the cross section of the push rod 34 is polygonal.
The guide block 23 and the guide hole 24 are provided to mainly serve the function of guiding the holder 3. Preventing the rotation of the holder 3 relative to the sealing cover 2 about the axis of the sealing cover 2, thereby allowing the holder 3 to have better fixing performance to the sealing cover 2.
In some embodiments, a mating inclined surface 25 for increasing the contact area of the sealing inclined surface with the sealing cover 2 is arranged on the contact side of the sealing cover 2 with the sealing inclined surface.
An outer auxiliary inclined surface 15 is arranged on the side, in contact with the fixing groove 31, of the fixing ring 14, and an inner auxiliary inclined surface is arranged on the side, in contact with the outer auxiliary inclined surface 15, of the fixing groove 31.
In some embodiments, the sealing ribs 22 have at least two turns, the number of axial sealing grooves 13 is the same as the number of sealing ribs 22, and each sealing rib 22 mates with a separate axial sealing groove 13.
The greater the number of sealing ribs 22, the better the sealing performance, and in practice, a reasonable number of sealing ribs 22 may be provided according to the sealing requirements.
Referring to fig. 1 to 7, in some embodiments, the seal cover 2 is provided with a compensating gap between the seal ridge 22 and the kiln tail body 1. The compensation gap is mainly used for compensating the dimensional change generated by the sealing cover 2, and because the sealing cover 2 and the kiln tail body 1 can generate different dimensional change amounts, the sealing cover 2 and the kiln tail body 1 can be prevented from interfering by adopting the compensation gap.
The fixing ring 14 and the sealing ring 12 are in an integrated structure, and the sealing ring 12 and the kiln tail body 1 are in an integrated structure.
While the foregoing has been presented with a specific embodiment of the subject matter and with corresponding details, it should be understood that the foregoing description is only a few embodiments of the subject matter and that some details may be omitted when the embodiments are particularly implemented.
In addition, in some embodiments of the above utility model, there are many embodiments that can be implemented in combination, and the various combinations are not listed here. The above embodiments may be freely combined and implemented by those skilled in the art in specific implementation according to requirements, so as to obtain a better application experience.
When implementing the subject matter technical scheme, the person skilled in the art can obtain other detail configurations or drawings according to the subject matter technical scheme and the drawings, and obviously, the details still belong to the scope covered by the subject matter technical scheme without departing from the subject matter technical scheme.
Claims (10)
1. A kiln tail structure for enhancing tightness, which is characterized in that: comprises a kiln tail body (1), a sealing cover (2) arranged on the kiln tail body (1) and a fixer (3) for fixing the sealing cover (2) on the kiln tail body (1); the kiln tail body (1) is provided with a radial sealing inclined surface (11) matched with the sealing cover (2) to seal the kiln tail body (1) along the diameter direction of the kiln tail body (1), and the sealing cover (2) is provided with a radial sealing part (21) which extends into the kiln tail body (1) and is matched with the radial sealing inclined surface (11); the kiln tail body (1) is further provided with a sealing ring (12), the sealing ring (12) is arranged along the diameter direction of the kiln tail body (1), the diameter of the sealing ring (12) is larger than that of the kiln tail body (1), the sealing ring (12) is provided with an axial sealing groove (13) for sealing the kiln tail body (1) along the axial direction of the kiln tail body (1), and the sealing cover (2) is provided with a sealing rib (22) matched with the axial sealing groove (13); the fixing device is characterized in that the fixing device (3) is provided with a fixing groove (31), the sealing ring (12) is provided with a fixing ring (14), a part of the fixing ring (14) is located in the fixing groove (31), a part of the sealing cover (2) is located in the fixing groove (31), a sealing inclined surface is arranged on the side wall, in contact with the sealing cover (2), of the fixing groove (31), the fixing device (3) downwards displaces under the action of gravity, and the sealing inclined surface pushes the sealing cover (2) to displace towards the direction close to the kiln tail body (1).
2. The kiln tail structure with enhanced sealability according to claim 1, wherein: the fixing device (3) comprises a ring body (32) with a semicircular shape, the fixing groove (31) is formed in the ring body (32), a weight piece (33) is arranged at one end, far away from the kiln tail body (1), of the ring body (32), and the weight piece (33) and the ring body (32) are of an integrated structure.
3. The kiln tail structure with enhanced sealability according to claim 2, wherein: the weight stack (33) is provided with a push rod (34) which enables the sealing cover (2) to be stressed uniformly, at least two push rods (34) are arranged, the sealing cover (2) is provided with a guide block (23) which guides the fixer (3), and the guide block (23) is in contact with the push rod (34).
4. A kiln tail structure for enhancing sealability as claimed in claim 3, wherein: the guide block (23) is provided with a guide hole (24), the push rod (34) is inserted into the guide hole (24), and the guide block (23) and the sealing cover (2) are of an integrated structure.
5. The kiln tail structure for enhancing sealability as recited in claim 4, wherein: the push rod (34) and the weight piece (33) are of an integrated structure, and the cross section of the push rod (34) is polygonal.
6. The kiln tail structure with enhanced sealability according to claim 1, wherein: one side of the sealing cover (2) contacted with the sealing inclined surface is provided with a matching inclined surface (25) for increasing the contact area of the sealing inclined surface and the sealing cover (2).
7. The kiln tail structure with enhanced sealability according to claim 6, wherein: an outer auxiliary inclined surface (15) is arranged on one side, in contact with the fixing groove (31), of the fixing ring (14), and an inner auxiliary inclined surface is arranged on one side, in contact with the outer auxiliary inclined surface (15), of the fixing groove (31).
8. The kiln tail structure with enhanced sealability according to claim 1, wherein: the sealing ribs (22) have at least two circles, the number of the axial sealing grooves (13) is the same as the number of the sealing ribs (22), and each sealing rib (22) is matched with the independent axial sealing groove (13).
9. The enhanced seal kiln tail structure of claim 8, wherein: and a compensating gap is arranged between the sealing edge (22) of the sealing cover (2) and the kiln tail body (1).
10. The kiln tail structure with enhanced sealability according to claim 1, wherein: the fixing ring (14) and the sealing ring (12) are of an integrated structure, and the sealing ring (12) and the kiln tail body (1) are of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321151925.7U CN220356048U (en) | 2023-05-15 | 2023-05-15 | Kiln tail structure capable of enhancing tightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321151925.7U CN220356048U (en) | 2023-05-15 | 2023-05-15 | Kiln tail structure capable of enhancing tightness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220356048U true CN220356048U (en) | 2024-01-16 |
Family
ID=89505669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321151925.7U Active CN220356048U (en) | 2023-05-15 | 2023-05-15 | Kiln tail structure capable of enhancing tightness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220356048U (en) |
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2023
- 2023-05-15 CN CN202321151925.7U patent/CN220356048U/en active Active
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