CN211233880U - Rotary kiln barrel assembly for cleaning sintered ring - Google Patents
Rotary kiln barrel assembly for cleaning sintered ring Download PDFInfo
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- CN211233880U CN211233880U CN201922183943.3U CN201922183943U CN211233880U CN 211233880 U CN211233880 U CN 211233880U CN 201922183943 U CN201922183943 U CN 201922183943U CN 211233880 U CN211233880 U CN 211233880U
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Abstract
The application relates to the technical field of cleaning of a sintering ring of a rotary kiln, in particular to a rotary kiln cylinder assembly for cleaning the sintering ring. The assembly is composed of a cylinder body and an auxiliary structure, wherein the cylinder body comprises a kiln liner and a shell, and the kiln liner and the shell are respectively provided with a first through hole and a second through hole which correspond to each other; the auxiliary structure comprises a plugging piece and a pushing piece, or a transition piece can be arranged, the plugging piece is used for plugging the through hole when the rotary kiln works, and the pushing piece is used for extending into the through hole to clean the sintering ring; the transition piece can be inserted into the first through hole and the second through hole, the transition piece is provided with a third through hole, and the blocking piece blocks the third through hole. Through the mode, the sintering ring can be conveniently and quickly cleaned after the rotary kiln is cooled or when the fire is left for heat preservation, so that the production efficiency of the rotary kiln is improved.
Description
Technical Field
The application relates to the technical field of cleaning of a sintering ring of a rotary kiln, in particular to a rotary kiln cylinder assembly for cleaning the sintering ring.
Background
The rotary kiln is a common equipment for high-temperature calcination such as cement and lime, and a high-temperature heating belt is arranged in an inner cavity of the rotary kiln, and the rotary kiln rotates slowly and continuously during production, so that raw materials are uniformly calcined at high temperature, and finally, clinker which can be further used is refined. In industrial production, rotary kilns play an important role in producing and reinforcing materials.
In the calcining process of the rotary kiln, partial materials are in liquid phase at high temperature, the liquid phase materials are gradually buried below the solid materials due to the rotation of a rotary kiln barrel, the environmental temperature is greatly reduced due to the coverage of the solid materials, the liquid phase materials are adhered to the kiln wall to form a kiln skin which is often called, and when the barrel continues to rotate, the kiln skin is partially in liquid phase when exposed to high-temperature hot air flow and falls off from the kiln wall. During the circulation process, if the forming speed of the kiln skin is greater than the falling speed, a sintering ring is formed on the kiln wall. The sintering ring can affect the movement of materials, seriously affect the ventilation in the kiln body, reduce the heat transfer efficiency, seriously affect the production quality and yield of the rotary kiln and greatly increase the energy consumption and mechanical wear. How to prevent and handle the sintering circle is the important research topic in rotary kiln production technical field, and the sintering circle clearance mode of the existing situation is usually wait for the sintering circle to grow to certain volume, and after the rotary kiln cools off, personnel get into the barrel and clear up, not only wastes time and energy, and seriously influences the production efficiency of rotary kiln to when the sintering circle is great, be difficult to clear out from the barrel, further reduced the production efficiency of rotary kiln.
SUMMERY OF THE UTILITY MODEL
The application provides a rotary kiln cylinder assembly for cleaning a sintering ring, which is characterized by comprising a cylinder and an auxiliary structure, wherein the cylinder comprises a kiln liner and a shell from inside to outside, and the auxiliary structure comprises a plugging piece and a pushing piece; the kiln liner is provided with a first through hole, the shell is provided with a second through hole, and the first through hole is communicated with the second through hole;
in the use state of the rotary kiln, the plugging piece is used for plugging the first through hole and the second through hole in a preset mode;
and under the cleaning state of the rotary kiln, the plugging piece is detached, and the pushing piece pushes the sintering ring into the rotary kiln along the first through hole and the second through hole.
The application also provides another rotary kiln cylinder assembly for cleaning the sintering ring, which is characterized by comprising a cylinder and an auxiliary structure, wherein the cylinder comprises a kiln liner and a shell from inside to outside, and the auxiliary structure comprises a transition piece, a plugging piece and a pushing piece; the kiln liner is provided with a first through hole, the shell is provided with a second through hole, and the first through hole is communicated with the second through hole; the transition piece is composed of a transition cylinder body and a transition sealing cover which are fixedly connected, the outer diameter of the transition cylinder body is smaller than the inner diameters of the first through hole and the second through hole, the length of the transition cylinder body is larger than that of the second through hole and smaller than the sum of the lengths of the first through hole and the second through hole, the outer diameter of the transition sealing cover is larger than the inner diameter of the second through hole, and the transition piece is provided with a third through hole; the outer diameter of the pushing part is smaller than the inner diameter of the third through hole;
when the rotary kiln is in use, the transition piece is fixedly connected with the shell, the transition cylinder is inserted into the first through hole and the second through hole, and the plugging piece is used for plugging the third through hole in advance;
and under the cleaning state of the rotary kiln, the plugging piece is detached, and the pushing piece pushes the sintering ring into the rotary kiln along the third through hole, or the plugging piece and the transition piece are detached, and the pushing piece pushes the sintering ring into the rotary kiln along the first through hole and the second through hole.
Optionally, in the above two assemblies, an inner diameter of the first through hole is not greater than an inner diameter of the second through hole.
Optionally, in the first assembly, the first through hole, the second through hole and the pushing member are the same in cross-sectional shape and size; the length of the pushing piece is larger than the sum of the lengths of the first through hole and the second through hole.
Optionally, in the first assembly, the blocking piece is made of a refractory material and a stop block; the outer diameter of the stop block is larger than the inner diameter of the second through hole, and the stop block is in bolted connection with the shell.
Optionally, in the second assembly, the blocking piece is made of a refractory material and a stop block; the outer diameter of the stop block is larger than the inner diameter of the third through hole, and the stop block is in bolted connection with the transition sealing cover.
Optionally, in both assemblies, the refractory material is refractory mortar.
Optionally, in the second assembly, the transition piece is a cast iron material piece.
Optionally, in the second assembly, the transition cover is bolted to the housing.
Optionally, in the second assembly, the first through hole and the second through hole have the same cross-sectional size and shape; the third through hole and the cross section of the pushing piece are the same in size and shape; the length of the pushing piece is larger than that of the third through hole.
The application provides a rotary kiln cylinder assembly for cleaning a sintering ring, which comprises a cylinder and an auxiliary structure, wherein the cylinder comprises a kiln lining and a shell, and the kiln lining and the shell are respectively provided with a first through hole and a second through hole which correspond to each other; the auxiliary structure comprises a plugging piece and a pushing piece, or a transition piece can be arranged, the plugging piece is used for plugging the through hole when the rotary kiln works, and the pushing piece is used for extending into the through hole to clean the sintering ring; the transition piece can be inserted into the first through hole and the second through hole, the transition piece is provided with a third through hole, and the blocking piece blocks the third through hole. Through the mode, the sintering ring can be conveniently and quickly cleaned after the rotary kiln stops working or when the fire is left for heat preservation, so that the production efficiency of the rotary kiln is improved.
Drawings
FIG. 1 is a schematic view of the kiln liner structure;
FIG. 2 is a schematic view of the housing structure (from outside to inside);
FIG. 3 is a schematic view of the housing structure (from inside to outside);
FIG. 4 is a schematic view of the transition piece configuration (outside-in angle);
FIG. 5 is a schematic view of the transition piece configuration (from inside to outside);
FIG. 6 is a schematic view of the structure of the stopper;
FIG. 7 is a schematic view of a block-off structure without a transition piece (outside-in angle);
FIG. 8 is a schematic view of a block structure without a transition piece (from inside to outside)
FIG. 9 is a schematic view of a block-off structure (outside-in angle) with a transition piece;
FIG. 10 is a schematic view of a block-off structure (angled from inside to outside) with a transition piece disposed;
FIG. 11 is a schematic view of a rectangular pushing member;
FIG. 12 is a schematic view of a plugging structure with a star-shaped third through hole;
FIG. 13 is a schematic view of the star pusher configuration;
FIG. 14 is a schematic view of the star pusher cleaning the sinter ring.
In addition, in the drawings of the present application, the direction indicated by the arrow refers to the direction of the inside of the rotary kiln.
The reference numbers in the figures illustrate:
1-kiln lining, 11-first through hole, 2-shell, 21-second through hole, 3-transition piece, 31-third through hole, 32-transition column, 33-transition sealing cover, 4-stop block, 5-refractory clay and 6-pushing piece.
Detailed Description
The present invention will be described with reference to the accompanying drawings and embodiments.
The application provides a rotary kiln barrel assembly for clearing up sintering ring, the barrel assembly includes barrel and auxiliary structure. The cylinder is a cylinder structure of a rotary kiln or a kiln body, and the cylinder is arranged conventionally in the prior art and comprises a kiln liner 1 and a shell 2 from inside to outside. The kiln lining 1 is in a conventional arrangement and mainly comprises a refractory pouring structure and a refractory masonry structure, wherein the refractory pouring structure is an integral structure formed by directly pouring and integrally forming, the structure is stable, the strength is high, the refractory masonry structure is mainly formed by a plurality of refractory bricks or other materials in a combined masonry mode, and the structural stability and the strength are slightly inferior to those of the refractory pouring structure; the casing 2 is conventionally arranged, and can be made of common high-temperature-resistant metal materials or other materials with good heat insulation effect, which are not described herein.
As shown in fig. 1 to 3, as a difference, the kiln liner 1 is provided with a first through hole 11, the housing 2 is provided with a second through hole 21, the first through hole 11 is communicated with the second through hole 21, it should be noted that the through hole refers to a hole-like structure penetrating through the whole structure, and by the arrangement, the first through hole 11 and the second through hole 21 are communicated with the inside and the outside of the cylinder. It should be noted that the positions of the first through holes 11 and the second through holes 21 are determined according to the positions of the sintering rings easily appearing in the cylinder, and the number and the positions of the first through holes and the second through holes can be arbitrarily set in principle according to the foregoing.
As shown in fig. 6, 7 and 10, the auxiliary structure comprises a closure and a pusher 6, and if necessary a transition piece 3 may be provided. The plugging piece is used for plugging the through hole, so that when the rotary kiln works, internal substances cannot leak from the through hole to cause loss and danger, and in consideration of the consideration, the plugging piece needs to have high temperature resistance and good sealing performance, and in addition, in consideration of the design purpose of easy cleaning, the plugging piece is preferably made of refractory mortar 5, the refractory mortar 5 has high temperature resistance and is easy to form, the sealing performance is good, the refractory mortar further has certain stripping performance and can be cleaned conveniently, the plugging piece is more preferably further provided with a stop block 4, and the stop block 4 can be used for plugging the through hole on the outer side to further enhance the sealing performance. To achieve the above effect, the outer diameter of the stopper 4 is larger than the inner diameter of the second through hole 21. The pushing member 6 is of a cylindrical structure, the outer diameter of the pushing member is smaller than the inner diameters of the first through hole 11 and the second through hole 21, and the length of the pushing member is preferably longer than the sum of the lengths of the first through hole 11 and the second through hole 21; when the rotary kiln is completely cooled or is kept on fire for heat preservation after work, the plugging piece can be detached, the pushing piece 6 is inserted into the through hole, the sintering ring is pushed into the barrel, and the cleaning work is completed. Because the overall structure of sintering circle after the complete cooling is more stable and hardness is great, consequently preferably when the rotary kiln is in the heat preservation of remaining a fire to it clears up, preferably adopts thermal cleaning promptly, and this mode still has need not to wait for the rotary kiln cooling, can practice thrift when the clearance is used, consequently improves the benefit of the production efficiency of rotary kiln.
As shown in fig. 4 and 5, the transition piece 3 is mainly used for enhancing the stability of the whole structure, and preferably, when the kiln liner 1 is a refractory masonry structure, the transition piece 3 is adopted. Specifically, the transition piece 3 is composed of a transition cylinder 32 and a transition sealing cover 33 which are fixedly connected, the transition cylinder 32 is inserted into the first through hole 11 and the second through hole 21, that is, the outer diameter of the transition cylinder 32 is smaller than the inner diameters of the first through hole 11 and the second through hole 21, the transition cylinder 32 is inserted into at least the first through hole 11 but cannot extend into the cylinder body, that is, the length of the transition cylinder 32 is larger than the length of the second through hole 21 and smaller than the sum of the lengths of the first through hole 11 and the second through hole 21, and in addition, the outer diameter of the transition sealing cover 33 is larger than the inner diameter of the second through hole 21, so that the second through hole 21 can be shielded. The transition piece 3 is provided with a third through hole 31, when the transition piece 3 is used, the transition cylinder 31 is inserted into the first through hole 11 and the second through hole 21, the transition sealing cover 33 is fixedly connected with the shell 2, the sealing piece seals the third through hole 31, the outer diameter of the pushing piece 6 is smaller than the inner diameter of the third through hole 31, and preferably, the length of the pushing piece 6 is larger than the sum of the lengths of the first through hole 11 and the second through hole 21; in the cleaning state of the rotary kiln, the plugging piece is detached, and the pushing piece 6 pushes the sintering ring into the rotary kiln along the third through hole 31, or the plugging piece and the transition piece 3 are detached, and the pushing piece 6 pushes the sintering ring into the rotary kiln along the first through hole 11 and the second through hole 21.
In this way, through this application be used for clearing up rotary kiln barrel assembly of sintering circle can be very convenient clear up the sintering circle in the barrel, compare in the conventional sintering circle clearance mode of current, this application the assembly satisfies: when the sintering ring is small, personnel can quickly and conveniently clean the sintering ring through the through hole and the pushing piece 6 without completely cooling the rotary kiln or growing the sintering ring to a certain volume. To sum up, the utility model has the advantages that: the rotary kiln can be always kept in a good state without a sintering ring or with a small sintering ring, so that the yield and the quality of the rotary kiln are ensured, the overall energy consumption and the mechanical loss of the rotary kiln are obviously reduced, in addition, the workload for cleaning the sintering ring on the whole and the working time are greatly reduced, and the assembly has a good economic effect.
It should be noted that, in the present application, the size and shape of the first, second, and third through holes and the pushing member 6 are subject to the above standard and implementation functions, and may be any shape and size, and may also be any regular or irregular shape, and the present application does not limit the size and shape.
The rotary kiln cylinder assembly for cleaning the sintering ring according to the present application is described below with reference to specific examples, and it should be noted that the present application includes, but is not limited to, the following embodiments.
Example 1
As shown in fig. 7, 8 and 10, the rotary kiln cylinder assembly for cleaning the sintering ring in the embodiment includes a cylinder and an auxiliary structure, the cylinder includes a kiln liner 1 and a shell 2 from inside to outside, the kiln liner 1 is a refractory casting structure, and the shell 2 is a conventional arrangement; the auxiliary structure comprises a plugging piece and a pushing piece 6, wherein the plugging piece comprises fire clay 5 and a stop block 4.
Before the rotary kiln works, the first through hole 11 and the second through hole 21 are sealed by using refractory mortar 5, the stop block 4 is fixedly connected with the shell 2, and the through holes are sealed by the sealing and plugging piece in the above mode. In the use state of the rotary kiln, the plugging piece keeps plugging the first through hole 11 and the second through hole 21.
When the rotary kiln is subjected to fire-keeping and heat-preservation, the rotary kiln is subjected to heat cleaning, and the method specifically comprises the following steps: firstly, the plugging piece is disassembled, and then the sintering ring is pushed inwards by using the pushing piece 6, so that the heat cleaning of the sintering ring of the rotary kiln is completed.
Example 2
As shown in fig. 8, 9 and 10, the rotary kiln cylinder assembly for cleaning the sintering ring in the embodiment includes a cylinder and an auxiliary structure, the cylinder includes a kiln liner 1 and a shell 2 from inside to outside, the kiln liner 1 is a refractory masonry structure, specifically is formed by masonry of refractory bricks, and the shell 2 is in a conventional arrangement; the auxiliary structure comprises a plugging piece, a transition piece and a pushing piece 6, wherein the plugging piece comprises refractory mortar 5 and a stop block 4.
The kiln liner 1 is provided with a first through hole 11, the shell 2 is provided with a second through hole 21, the cross sections of the first through hole 11 and the second through hole 21 are identical in shape and size, specifically are rectangular, and the first through hole 11 corresponds to the second through hole 21 in position. The transition piece 3 consists of a transition cylinder 32 and a transition sealing cover 33 which are fixedly connected; the outer diameter of the transition cylinder 32 is smaller than the inner diameters of the first through hole 11 and the second through hole 21, and the length of the transition cylinder 32 is greater than the length of the second through hole 21 and smaller than the sum of the lengths of the first through hole 11 and the second through hole 21; the outer diameter of the transition sealing cover 33 is larger than the inner diameter of the second through hole 21, so that the second through hole 21 can be shielded; the transition piece 3 is provided with a third through hole 31, the cross sections of the third through hole 31 and the pushing piece 6 are the same in size and shape, specifically are rectangular, the outer diameter of the stop block 4 is larger than the inner diameter of the third through hole 31, and the length of the pushing piece 6 is larger than the length of the third through hole 31.
Before the rotary kiln works, the transition cylinder 31 is inserted into the first through hole 11 and the second through hole 21, the transition sealing cover 33 is fixedly connected with the shell 2, specifically, the shell 2 is provided with a threaded hole, the transition sealing cover 33 is provided with a corresponding threaded hole, and the shell 2 is in bolted connection with the transition sealing cover 33. In addition, the refractory mortar 5 is used for plugging the third through hole 31, and the stop block 4 is fixedly connected with the transition sealing cover 33, specifically, the stop block 4 is provided with a threaded hole, the transition sealing cover 33 is provided with a corresponding threaded hole, and the stop block 4 is in bolted connection with the transition sealing cover 33; the plugging of the plugging piece to the through hole is completed through the mode. In the use state of the rotary kiln, the plugging piece keeps plugging the third through hole 31. Since the outer diameter of the transition cylinder 32 is smaller than the inner diameter of the first and second through holes 11 and 21 and since the kiln liner 1 is a masonry structure of refractory bricks, it is preferable to plug refractory bricks and/or steel sheets in the gaps, the total thickness of which is the same as the size of the gaps, in order to prevent the refractory bricks from falling off and prevent raw materials from entering the gaps between the first and second through holes 11 and 21 and the transition cylinder 32 to make the transition piece 3 difficult to remove, and in this way, the stability of the overall structure can be enhanced.
Carry out the heat clearance to the rotary kiln sintering circle when the rotary kiln is left a fire and keeps warm, at first lift the shutoff piece off, use pushing member 6 to inside propelling movement sintering circle again, accomplish the heat clearance to the rotary kiln sintering circle, it is specific, dismantle dog 4 earlier, use pushing member 6 to insert third through hole 31 in, with inside fire clay 5 and the propelling movement of sintering circle barrel, accomplish the clearance to the sintering circle.
Example 3
As shown in fig. 11 to 13, in addition to embodiment 2, for distinction, the third through hole 31 is a cross shape, the pushing member 6 is a cross structure having the same cross-sectional size and shape, and the rest are the same as embodiment 2.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the spirit and scope of the invention, and such modifications and enhancements are intended to be within the scope of the invention.
Claims (10)
1. A rotary kiln cylinder assembly for cleaning a sintering ring is characterized by comprising a cylinder and an auxiliary structure, wherein the cylinder comprises a kiln liner and a shell from inside to outside, and the auxiliary structure comprises a plugging piece and a pushing piece; the kiln liner is provided with a first through hole, the shell is provided with a second through hole, and the first through hole is communicated with the second through hole;
in the use state of the rotary kiln, the plugging piece is used for plugging the first through hole and the second through hole in a preset mode;
and under the cleaning state of the rotary kiln, the plugging piece is detached, and the pushing piece pushes the sintering ring into the rotary kiln along the first through hole and the second through hole.
2. The rotary kiln barrel assembly as claimed in claim 1, wherein the first through hole, the second through hole and the pushing member have the same cross-sectional shape and size; the length of the pushing piece is larger than the sum of the lengths of the first through hole and the second through hole.
3. The rotary kiln barrel assembly as claimed in claim 1, wherein the blocking member is a refractory material and a stopper; the outer diameter of the stop block is larger than the inner diameter of the second through hole, and the stop block is in bolted connection with the shell.
4. A rotary kiln cylinder assembly for cleaning a sintering ring is characterized by comprising a cylinder and an auxiliary structure, wherein the cylinder comprises a kiln liner and a shell from inside to outside, and the auxiliary structure comprises a transition piece, a plugging piece and a pushing piece; the kiln liner is provided with a first through hole, the shell is provided with a second through hole, and the first through hole is communicated with the second through hole; the transition piece is composed of a transition cylinder body and a transition sealing cover which are fixedly connected, the outer diameter of the transition cylinder body is smaller than the inner diameters of the first through hole and the second through hole, the length of the transition cylinder body is larger than that of the second through hole and smaller than the sum of the lengths of the first through hole and the second through hole, the outer diameter of the transition sealing cover is larger than the inner diameter of the second through hole, and the transition piece is provided with a third through hole; the outer diameter of the pushing part is smaller than the inner diameter of the third through hole;
when the rotary kiln is in use, the transition piece is fixedly connected with the shell, the transition cylinder is inserted into the first through hole and the second through hole, and the plugging piece is used for plugging the third through hole in advance;
and under the cleaning state of the rotary kiln, the plugging piece is detached, and the pushing piece pushes the sintering ring into the rotary kiln along the third through hole, or the plugging piece and the transition piece are detached, and the pushing piece pushes the sintering ring into the rotary kiln along the first through hole and the second through hole.
5. The rotary kiln barrel assembly as claimed in claim 1 or 4, wherein the first through hole has an inner diameter not greater than that of the second through hole.
6. The rotary kiln barrel assembly as claimed in claim 4, wherein the blocking member is a refractory material and a stopper; the outer diameter of the stop block is larger than the inner diameter of the third through hole, and the stop block is in bolted connection with the transition sealing cover.
7. The rotary kiln barrel assembly as claimed in claim 3 or 6, wherein the refractory material is refractory mortar.
8. The rotary kiln barrel assembly as recited in claim 4, wherein the transition piece is a cast iron material.
9. The rotary kiln barrel assembly as recited in claim 4, wherein the transition cover is bolted to the shell.
10. The rotary kiln barrel assembly as claimed in claim 4, wherein the first and second through holes are of the same cross-sectional size and shape; the third through hole and the cross section of the pushing piece are the same in size and shape; the length of the pushing piece is larger than that of the third through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922183943.3U CN211233880U (en) | 2019-12-09 | 2019-12-09 | Rotary kiln barrel assembly for cleaning sintered ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922183943.3U CN211233880U (en) | 2019-12-09 | 2019-12-09 | Rotary kiln barrel assembly for cleaning sintered ring |
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| Publication Number | Publication Date |
|---|---|
| CN211233880U true CN211233880U (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922183943.3U Active CN211233880U (en) | 2019-12-09 | 2019-12-09 | Rotary kiln barrel assembly for cleaning sintered ring |
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| Country | Link |
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| CN (1) | CN211233880U (en) |
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