CN216790819U - Rotary kiln tail sealing device - Google Patents
Rotary kiln tail sealing device Download PDFInfo
- Publication number
- CN216790819U CN216790819U CN202220018796.3U CN202220018796U CN216790819U CN 216790819 U CN216790819 U CN 216790819U CN 202220018796 U CN202220018796 U CN 202220018796U CN 216790819 U CN216790819 U CN 216790819U
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- China
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- kiln tail
- friction ring
- rotary kiln
- sealing device
- closing plate
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Abstract
According to the rotary kiln tail sealing device, the problems that the friction ring cuts off the fixing bolt under the centrifugal force, deforms and the like can be solved through the structure of the kiln tail flange, the bayonet iron, the friction ring, the sealing plate and the sealing cover. The wear-resistant layer is arranged on the upper portion of the friction ring body, the service life of the friction ring can be effectively prolonged, the kiln tail bayonet iron is cast by heat-resistant alloy steel and has good temperature resistance, and the bayonet iron is arranged on the inner side of the kiln tail flange to prevent the kiln tail cylinder body from deforming. The sealed cowling is the fixed part, and the closing plate is installed on the sealed cowling, and the sealed cowling bottom plate of closing plate installation department forms 30 degrees contained angles with the friction ring, utilizes the elastic deformation of closing plate to paste tight friction ring after the closing plate installation, and a slice is pressed a slice and is formed good sealing performance.
Description
Technical Field
The utility model relates to the technical field of rotary kiln equipment, in particular to a rotary kiln tail sealing device.
Background
The rotary kiln is an important part in the pellet production process of a chain grate-rotary kiln-circular cooler system, raw pellets are dried and preheated on the chain grate and then enter the rotary kiln for roasting, and the kiln tail of the rotary kiln is sealed to directly influence the quality and the yield of pellet production. Meanwhile, the rotary kiln belongs to continuous production high-temperature roasting equipment, temperature rise and drop are required when the rotary kiln is started and stopped, and the requirements on the stability of parts are high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a kiln tail sealing device of a rotary kiln, which solves the problems of energy loss, deformation of a friction ring, cracking of a kiln tail flange and the like caused by kiln tail wind.
According to one aspect of the utility model, the rotary kiln tail sealing device is arranged on a barrel of a rotary kiln and comprises a kiln tail flange, bayonet iron, a friction ring, a sealing plate and a sealing cover, wherein the kiln tail flange is arranged on the barrel, the bayonet iron is arranged on the inner side of the kiln tail flange, the friction ring is arranged on the outer side of the kiln tail flange, and the sealing plate is arranged on the sealing cover and attached to the friction ring.
On the basis of the scheme, the outer side end face of the kiln tail flange is inwards recessed to form a step face, the friction ring is arranged on the step face, and a 2mm expansion gap is formed between the friction ring and the step face.
On the basis of the scheme, the friction ring is provided with a wear-resistant layer.
On the basis of the scheme, the bayonet iron is made of heat-resistant alloy steel casting.
On the basis of the scheme, the sealing plate and the friction ring form an included angle of 30 degrees.
According to the rotary kiln tail sealing device, the problems that the friction ring cuts off the fixing bolt under the centrifugal force, deforms and the like can be solved through the structure of the kiln tail flange, the bayonet iron, the friction ring, the sealing plate and the sealing cover. The wear-resistant layer is arranged on the upper portion of the friction ring body, the service life of the friction ring can be effectively prolonged, the kiln tail bayonet iron is cast by heat-resistant alloy steel and has good temperature resistance, and the bayonet iron is arranged on the inner side of the kiln tail flange to prevent the kiln tail cylinder body from deforming. The sealed cowling is the fixed part, and the closing plate is installed on the sealed cowling, and the sealed cowling bottom plate of closing plate installation department forms 30 degrees contained angles with the friction ring, utilizes the elastic deformation of closing plate to paste tight friction ring after the closing plate installation, and a slice is pressed a slice and is formed good sealing performance.
Drawings
FIG. 1 is a cross-sectional view of a rotary kiln of the present invention;
fig. 2 is an enlarged view of a portion a of fig. 1 according to the present invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
Referring to fig. 1 and fig. 2, the kiln tail sealing device of the rotary kiln of the present invention is installed on a cylinder 1 of the rotary kiln, wherein the kiln tail sealing device of the rotary kiln includes a kiln tail flange 2, bayonet iron 3, a friction ring 4, a sealing plate and a sealing cover 6, the kiln tail flange 2 is installed on the cylinder 1, the bayonet iron 3 is installed on the inner side of the kiln tail flange 2, the friction ring 4 is installed on the outer side of the kiln tail flange 2, and the sealing plate 5 is installed on the sealing cover 6 and attached to the friction ring 4.
Wherein, kiln tail flange 2 outside end face inwards caves in and forms the step face, and friction ring 4 is installed on the step face, and is provided with 2mm expansion gap between friction ring 4 and the step face, and friction ring 4 radially pastes tight kiln tail flange 2 step face during normal production, avoids friction ring 4 to receive centrifugal force to cut off fixing bolt and warp scheduling problem, and is provided with the wearing layer on the friction ring 4, can effectively prolong the life of friction ring 4. The bayonet iron 3 is made of heat-resistant alloy steel casting and has good temperature resistance, and the bayonet iron 3 is arranged on the inner side of the kiln tail flange 2 to prevent the kiln tail cylinder body 1 from deforming.
The sealing cover 6 is a fixed part, the sealing plate 5 is arranged on the sealing cover 6, the sealing plate 5 and the friction ring 4 form an included angle of 30 degrees, the sealing plate 5 is tightly attached to the friction ring 4 by elastic deformation of the sealing plate 5 after being arranged, and a piece of the sealing plate is pressed to form good sealing performance.
According to the rotary kiln tail sealing device, the problems that the friction ring 4 cuts off a fixing bolt under the centrifugal force and deforms and the like can be solved through the structure of the kiln tail flange 2, the bayonet iron 3, the friction ring 4, the sealing plate and the sealing cover 6. The wear-resistant layer is installed on the upper portion of the base body of the friction ring 4, the service life of the friction ring 4 can be effectively prolonged, the kiln tail bayonet iron 3 is cast by heat-resistant alloy steel and has good temperature resistance, and the bayonet iron 3 is installed on the inner side of the kiln tail flange 2 to prevent the deformation of the kiln tail cylinder body 1. The sealing cover 6 is a fixed part, the sealing plate 5 is arranged on the sealing cover 6, a bottom plate of the sealing cover 6 at the installation position of the sealing plate 5 forms a 30-degree included angle with the friction ring 4, the sealing plate 5 is tightly attached to the friction ring 4 through elastic deformation of the sealing plate 5 after being installed, and a piece of sealing plate is pressed to form good sealing performance.
The utility model discloses a rotary kiln tail sealing device solves the kiln tail and scurries the energy loss and the production fluctuation that wind caused, solves deformation, the 2 ftractures scheduling problems of kiln tail flange of friction ring 4. Meanwhile, the device is stable and reliable in operation, the influence of equipment faults is reduced, and the production efficiency is improved.
Finally, the method of the present application is only a preferred embodiment and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a rotary kiln tail sealing device installs on the barrel of rotary kiln, a serial communication port, rotary kiln tail sealing device includes kiln tail flange, bayonet socket iron, friction ring, closing plate and sealed cowling, the kiln tail flange is installed on the barrel, bayonet socket iron is installed kiln tail flange is inboard, the friction ring is installed the kiln tail flange outside, the closing plate is installed on the sealed cowling and the laminating be in on the friction ring.
2. The rotary kiln tail sealing device as claimed in claim 1, wherein the outer end face of the kiln tail flange is recessed inwards to form a step face, the friction ring is mounted on the step face, and a 2mm expansion gap is provided between the friction ring and the step face.
3. The rotary kiln tail sealing device as claimed in claim 2, wherein the friction ring is provided with a wear resistant layer.
4. The rotary kiln tail sealing device according to claim 3, wherein the bayonet iron is a heat-resistant alloy steel casting.
5. The rotary kiln tail sealing device according to claim 3, wherein the sealing plate forms an angle of 30 degrees with the friction ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220018796.3U CN216790819U (en) | 2022-01-06 | 2022-01-06 | Rotary kiln tail sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220018796.3U CN216790819U (en) | 2022-01-06 | 2022-01-06 | Rotary kiln tail sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216790819U true CN216790819U (en) | 2022-06-21 |
Family
ID=82013555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220018796.3U Active CN216790819U (en) | 2022-01-06 | 2022-01-06 | Rotary kiln tail sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216790819U (en) |
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2022
- 2022-01-06 CN CN202220018796.3U patent/CN216790819U/en active Active
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