CN211770953U - Brick for annular channel of double-chamber lime kiln - Google Patents
Brick for annular channel of double-chamber lime kiln Download PDFInfo
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- CN211770953U CN211770953U CN201922264438.1U CN201922264438U CN211770953U CN 211770953 U CN211770953 U CN 211770953U CN 201922264438 U CN201922264438 U CN 201922264438U CN 211770953 U CN211770953 U CN 211770953U
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Abstract
The utility model discloses a two thorax limekiln annular passage are with laying bricks, one side of laying bricks is equipped with protruding stupefied, and the opposite side is equipped with the recess, and two adjacent laying bricks are mutually supported the locking through protruding stupefied and recess, be the acute angle contained angle between at least one side of protruding stupefied and the side that is equipped with this protruding stupefied laying bricks, the recess cooperatees with protruding stupefied shape. The utility model discloses a two thorax limekiln is bricklaying for annular passage has advantages such as simple and practical, auto-lock ability reinforce and can improve masonry structure intensity.
Description
Technical Field
The utility model relates to a limekiln masonry structure field especially relates to a two thorax limekiln annular passage are with laying bricks.
Background
The existing lime kiln which is commonly used is a double-chamber lime kiln, is used for calcining limestone at high temperature to generate industrial quick lime, and the industrial quick lime is used as an additive in the processes of sintering iron-making raw materials, iron-making reduction, pretreatment of molten iron and external refining, plays roles in adjusting the alkalinity of furnace charge, slagging, desulfurizing and the like, and plays an important role in smoothly carrying out the iron-making and steel-making processes.
The double-hearth lime kiln has the advantages of high heat efficiency, small pollution and the like, so the double-hearth lime kiln is widely applied. The kiln body generally comprises two vertical kiln chambers which are mirror images of each other, and the two kiln chambers are connected through an annular channel. In the production process, the temperature of the annular channel is up to 900 ℃, the pressure in the channel is up to 20kP, and the annular channel is one of the places on the lime kiln equipment where the working condition environment is the worst and the structural damage is most likely to occur. The masonry structure at the passage is easy to cause local damage under the high-temperature and high-pressure environment, and finally the damage of the whole kiln chamber structure is developed, so that the service life of the lime kiln is influenced. Therefore, the strength of the annular channel is improved, and the method has a positive effect on prolonging the service life of the lime kiln.
As shown in figure 1, the annular passage of the lime kiln consists of an outer wall tightly attached to a kiln shell and an inner wall arranged in a kiln chamber, wherein inner wall bricks are designed into a shape with a large head end and a small tail end as shown in figure 2, and the sides of a plurality of bricks with the same shape are aligned and laid into a ring. One side of interior wall brickwork is equipped with protruding stupefied, and the opposite side is equipped with the recess, realizes the auto-lock between the same layer brickwork through the interlock each other of protruding stupefied and recess, improves the interior wall and resists the ability of side thrust. However, included angles between the side face and the end face of the convex edge and included angles between the side face of the convex edge and the side face of the inner wall brick are obtuse angles, the structure has good strength and integrity under a normal temperature environment, when the working temperature rises, the annular inner wall is heated to expand, due to the characteristic that the annular structure is heated to deform, the bricks move outwards along the radial direction, adjacent bricks are far away from each other, the stress direction of the adjacent bricks is shown in figure 3, two bricks which are originally tightly meshed are separated at the occlusal surface, the self-locking force between the adjacent bricks is reduced, the integrity of the inner wall structure is reduced, even the convex edge can directly slide out from the groove, and the inner wall is locally damaged. Therefore, in the prior art, under the thermal condition, the steel pipe is easy to loosen and retreat, has poor self-locking effect and low structural strength, and needs to be improved urgently.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the not enough of prior art, provide a simple and practical, auto-lock ability reinforce and can improve the double chamber limekiln annular passage of masonry structure intensity with bricklaying.
In order to solve the technical problem, the utility model provides a technical scheme does:
the utility model provides a two thorax limekiln ring channel are with laying bricks, one side of laying bricks is equipped with protruding stupefied, and the opposite side is equipped with the recess, and two adjacent laying bricks are mutually supported the locking through protruding stupefied and recess, be the acute angle contained angle between at least one side of protruding stupefied and the side of being equipped with this protruding stupefied laying bricks, the recess cooperatees with protruding stupefied shape.
As a further improvement of the above technical solution:
the brickwork comprises an outer end face enclosing the peripheral face of the synthetic annular channel and an inner end face enclosing the inner peripheral face of the synthetic annular channel, and an acute included angle is formed between the side face facing the outer end face of the brickwork in the convex edge and the side face of the brickwork.
The brickwork comprises an outer end face enclosing a peripheral face of the synthetic annular channel and an inner end face enclosing an inner face of the synthetic annular channel, and an acute included angle is formed between the side face facing the inner end face of the brickwork in the convex edge and the side face of the brickwork.
The brickwork comprises an outer end face enclosing a peripheral face of the synthetic annular channel and an inner end face enclosing an inner face of the synthetic annular channel, and acute included angles are formed between the side face facing the outer end face of the brickwork and the side face facing the inner end face of the brickwork in the convex edge and the side face of the brickwork.
And a chamfer angle is arranged between the side face of the convex edge with the acute angle and the side face of the brickwork.
The groove is also provided with a chamfer at the position corresponding to the chamfer of the convex edge, and the chamfer of the groove is larger than the chamfer of the convex edge.
The side face of the convex edge, which forms an acute angle with the side face of the brick, also forms an acute angle included angle with the end face of the convex edge, and is provided with a chamfer.
The groove is also provided with a chamfer at the position corresponding to the chamfer of the convex edge, and the chamfer of the groove is smaller than the chamfer of the convex edge.
Compared with the prior art, the utility model has the advantages of:
the utility model provides a two thorax limekiln ring channel are with laying bricks, one side of laying bricks is equipped with protruding stupefied, and the opposite side is equipped with the recess, and two adjacent laying bricks are mutually supported the locking through protruding stupefied and recess. Different is with current limekiln bricklaying, the utility model discloses an among the two thorax limekiln annular passage bricklaying, be the acute angle contained angle between at least one side of protruding stupefied and the side that is equipped with this protruding stupefied bricklaying, the recess cooperatees with protruding stupefied shape, when being in limekiln operating temperature and pressure, this kind of mode of setting up makes in protruding stupefied and the recess at least one side still be in the state of closely laminating, and be buckled connection structure, can not break away from completely because of the reason that the annular interior wall is heated the inflation between the messenger adjacent bricklaying, be difficult not hard up and retreat, consequently, the wholeness of interior wall has still obtained the assurance, joint strength is higher, be difficult for appearing local destruction, improve the holistic life of kiln.
Drawings
FIG. 1 is a schematic structural diagram of the arrangement position of an annular channel in a double-hearth lime kiln;
FIG. 2 is a schematic structural diagram of bricklaying of a prior lime kiln;
FIG. 3 is a schematic diagram of the stress condition of the brick laying of the existing lime kiln;
FIG. 4 is a schematic structural diagram of brickwork for the annular passage of the double-hearth lime kiln of embodiment 1;
FIG. 5 is a schematic diagram showing the stress condition of brickwork for the annular passage of the double-hearth lime kiln of embodiment 1;
FIG. 6 is a schematic structural diagram of brickwork for the annular passage of the double-hearth lime kiln of embodiment 2;
FIG. 7 is a schematic diagram showing the stress condition of brickwork for the annular passage of the double-hearth lime kiln of embodiment 2;
FIG. 8 is a schematic structural diagram of brickwork for the annular passage of the double-hearth lime kiln of embodiment 3.
Illustration of the drawings: 1. building bricks; 11. convex edges; 12. and (4) a groove.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully and specifically with reference to the accompanying drawings and preferred embodiments, but the scope of the present invention is not limited to the following specific embodiments.
Example 1:
as shown in fig. 4, the brickwork for the annular passage of the double-chamber lime kiln of the embodiment has the advantages that one side of each brickwork 1 is provided with the convex edge 11, the other side of each brickwork 1 is provided with the groove 12, the two adjacent brickwork 1 are mutually matched and locked through the convex edge 11 and the groove 12, at least one side of the convex edge 11 and the side of the brickwork 1 provided with the convex edge 11 form an acute included angle, and the groove 12 is matched with the shape of the convex edge 11. When being in lime kiln operating temperature and pressure, this kind of mode of setting makes in protruding stupefied 11 and the recess 12 at least one side still be in the state of closely laminating to be buckled connection structure, make between the adjacent brickwork 1 can not break away from completely because of annular interior wall thermal expansion's reason, difficult not hard up and retreat, consequently the wholeness of interior wall has still obtained the assurance, joint strength is higher, be difficult to appear local destruction, improve the holistic life of kiln.
In this embodiment, the brick 1 includes an outer end surface enclosing a peripheral surface of the synthetic annular channel and an inner end surface enclosing an inner peripheral surface of the synthetic annular channel, and an acute included angle is formed between a side surface of the convex ridge 11 facing the outer end surface of the brick 1 and a side surface of the brick 1. When the lime kiln enters a working state, the annular inner wall expands outwards, as shown in fig. 5, at this time, the side surface of the outer end surface of the convex edge 11 is tightly attached to the corresponding side surface of the groove 12, the side surface of the convex edge 11 is subjected to lateral thrust F caused by the thermal expansion of the annular inner wall and the internal pressure, and the lateral thrust F can be decomposed into outward force F perpendicular to the tightly attached part1And a force F into the groove 12 along the tight fit2Force F1Is born by the brickwork 1 and can further lead the groove 12 and the convex edge 11 of the adjacent brickwork 1 to be pressed tightly, and the force F2Make protruding stupefied 11 further to the recess 12 removal, strengthen the auto-lock joint strength between the adjacent brick 1, guarantee annular passage's atress wholeness. Therefore, the stress performance and the connection strength of the brickwork 1 structure in the embodiment are far higher than those of the existing lime kiln brickwork, so that the brickwork is enabled to beThe use effect is more excellent.
In this embodiment, be equipped with the chamfer between the protruding stupefied 11 side that is the acute angle and the side of laying bricks 1, recess 12 also is equipped with the chamfer in this chamfer position department of correspondence, and the chamfer of recess 12 is greater than protruding stupefied 11 chamfer. The chamfer can effectively eliminate stress concentration, simplify the manufacturing and processing technology of the brickwork 1, optimize the stress performance of the brickwork 1 in the using process and prevent damage. The chamfer of the groove 12 at this location is greater than the chamfer of the ridge 11 to avoid interference during installation.
In this embodiment, be the stupefied 11 side of acute angle with the side of laying bricks 1, also be the acute angle contained angle with the terminal surface of protruding stupefied 11, and be equipped with the chamfer, recess 12 also is equipped with the chamfer in this chamfer position department of correspondence, and the chamfer of recess 12 is less than the chamfer of protruding stupefied 11. The chamfering can simplify the manufacturing process of the brickwork 1, optimize the stress performance of the brickwork 1 in the using process and prevent damage as the content is the same as the content. The chamfer of the groove 12 at this location is less than the chamfer of the ridge 11 to avoid interference during installation.
In this embodiment, still set up the cell body on the top surface of laying bricks 1, set up on the bottom surface with this cell body matched with sand grip, this kind of structure makes the joint strength of upper and lower adjacent laying bricks 1 strengthen, has further improved the wholeness and the atress performance of annular interior wall.
Example 2:
this embodiment is substantially the same as embodiment 1, except that in this embodiment, as shown in fig. 6, the side of the convex edge 11 facing the inner end face of the brick 1 forms an acute angle with the side of the brick 1. When the lime kiln enters a working state, the annular inner wall expands outwards, as shown in fig. 7, at this time, the side surface of the convex edge 11 facing to the inner end surface is tightly attached to the corresponding side surface of the groove 12, the side surface of the groove 12 is subjected to lateral thrust F caused by the thermal expansion of the annular inner wall and the internal pressure, and the lateral thrust F can be decomposed into outward force F perpendicular to the tightly attached part1And a force F along the tight-fitting portion toward the ridge 112Force F1Is born by the brickwork 1 and can further lead the groove 12 and the convex edge 11 of the adjacent brickwork 1 to be pressed tightly, and the force F2So that the groove 12 further moves to the convex edge 11 to strengthen the phaseThe self-locking connection strength between the adjacent bricks 1 ensures the stress integrity of the annular channel. Therefore, the stress performance and the connection strength of the brickwork 1 structure are far higher than those of the existing lime kiln brickwork, and the using effect is better.
Example 3:
the present embodiment is substantially the same as embodiments 1 and 2, except that in this embodiment, as shown in fig. 8, the side of the convex edge 11 facing the outer end surface of the brick 1 and the side of the convex edge 11 facing the inner end surface of the brick 1 are both included at an acute angle with the side of the brick 1, and as can be seen from the explanation in embodiments 1 and 2, when the lime kiln enters the working state, the annular inner wall expands outwards, and both sides of the convex edge 11 and the groove 12 can perform a tight buckling function under the action of the lateral thrust force F, and the self-locking capability thereof is further enhanced, so the force-bearing performance of the annular inner wall is further improved.
The above description is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. For those skilled in the art, the modifications and changes obtained without departing from the technical idea of the present invention should be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a two thorax limekiln ring channel are with laying bricks, one side of laying bricks (1) is equipped with protruding stupefied (11), and the opposite side is equipped with recess (12), and two adjacent laying bricks (1) mutually support locking, its characterized in that through protruding stupefied (11) and recess (12): at least one side of the convex edge (11) and the side of the bricklaying brick (1) provided with the convex edge (11) form an acute included angle, and the groove (12) is matched with the shape of the convex edge (11).
2. The brickwork for the annular channel of the double-chamber lime kiln according to claim 1, characterized in that: the brickwork (1) comprises an outer end face surrounding the peripheral face of the synthetic annular channel and an inner end face surrounding the inner end face of the synthetic annular channel, and an acute included angle is formed between the side face facing the outer end face of the brickwork (1) in the convex edge (11) and the side face of the brickwork (1).
3. The brickwork for the annular channel of the double-chamber lime kiln according to claim 1, characterized in that: the brickwork (1) comprises an outer end face and an inner end face, wherein the outer end face of the periphery face of the ring-shaped channel is surrounded, the inner end face of the periphery face of the ring-shaped channel is surrounded, and an acute included angle is formed between the side face, facing the inner end face of the brickwork (1), in the convex edge (11) and the side face of the brickwork (1).
4. The brickwork for the annular channel of the double-chamber lime kiln according to claim 1, characterized in that: the brickwork (1) comprises an outer end face surrounding the peripheral face of the synthetic annular channel and an inner end face surrounding the inner end face of the synthetic annular channel, and acute included angles are formed between the side face facing the outer end face of the brickwork (1) in the convex edge (11) and the side face facing the inner end face of the brickwork (1) and the side face of the brickwork (1).
5. Brickwork for the annular channel of a dual-chamber lime kiln according to any one of claims 1 to 4, characterized in that: and a chamfer is arranged between the side surface of the convex edge (11) which is at an acute angle and the side surface of the bricklaying (1).
6. The brickwork for the annular channel of the double-chamber lime kiln according to claim 5, characterized in that: the chamfer position corresponding position of the groove (12) and the convex edge (11) is also provided with a chamfer, and the chamfer of the groove (12) is larger than that of the convex edge (11).
7. Brickwork for the annular channel of a dual-chamber lime kiln according to any one of claims 1 to 4, characterized in that: the side face of the convex edge (11) which is at an acute angle with the side face of the brick (1) and the end face of the convex edge (11) are also at an acute angle included angle and are provided with chamfers.
8. The brickwork for the annular channel of the double-chamber lime kiln according to claim 7, characterized in that: the chamfer position corresponding position of the groove (12) and the convex edge (11) is also provided with a chamfer, and the chamfer of the groove (12) is smaller than that of the convex edge (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922264438.1U CN211770953U (en) | 2019-12-16 | 2019-12-16 | Brick for annular channel of double-chamber lime kiln |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922264438.1U CN211770953U (en) | 2019-12-16 | 2019-12-16 | Brick for annular channel of double-chamber lime kiln |
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| CN211770953U true CN211770953U (en) | 2020-10-27 |
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| CN201922264438.1U Active CN211770953U (en) | 2019-12-16 | 2019-12-16 | Brick for annular channel of double-chamber lime kiln |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114368921A (en) * | 2022-01-27 | 2022-04-19 | 中冶长天国际工程有限责任公司 | Annular channel structure for double-chamber lime kiln and double-chamber lime kiln |
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2019
- 2019-12-16 CN CN201922264438.1U patent/CN211770953U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114368921A (en) * | 2022-01-27 | 2022-04-19 | 中冶长天国际工程有限责任公司 | Annular channel structure for double-chamber lime kiln and double-chamber lime kiln |
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