CN104236312A - Composite prefabricated brick for throat of smoke chamber of cement kiln - Google Patents
Composite prefabricated brick for throat of smoke chamber of cement kiln Download PDFInfo
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- CN104236312A CN104236312A CN201410424113.4A CN201410424113A CN104236312A CN 104236312 A CN104236312 A CN 104236312A CN 201410424113 A CN201410424113 A CN 201410424113A CN 104236312 A CN104236312 A CN 104236312A
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- preformed bricks
- resistive connection
- smoke
- connection skin
- box reducing
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Abstract
The invention relates to a composite prefabricated brick for a throat of a smoke chamber of a cement kiln, belongs to refractory materials for smoke chambers of cement kilns, and solves the problem that the side wall of the throat of the smoke chamber is easily crusted. The composite prefabricated brick for the throat of the smoke chamber of the cement kiln comprises a smoke chamber throat body; the smoke chamber throat body is provided with a material inlet/outlet; the smoke chamber throat body is formed by piling anti-crust prefabricated bricks; side walls of the anti-crust prefabricated bricks positioned in an inclined section comprise inclined planes and vertical planes positioned below the inclined planes; an included angle between each inclined plane and the center axis of the smoke chamber throat body is 60-75 degrees; the vertical planes are parallel to the center axis of the smoke chamber throat body; the inclined planes of two adjacent anti-crust prefabricated bricks are parallel to each other; the area of the bottom end face of an upper anti-crust prefabricated brick is greater than or equal to the area of the top end face of a lower anti-crust prefabricated brick.
Description
Technical field
The present invention relates to a kind of cement kiln smoke-box reducing combination preformed bricks, be related specifically to cement kiln smoke-box refractory material.
Background technology
Cement predecomposition kiln kiln tail smoke-box is the parts connecting rotary kiln and dore furnace.It is that in rotary kiln, heat smoke enters preheater, the passage of dore furnace, is also the passage that the high temperature raw material most next stage preheater enter rotary kiln.All can there is the problem of cement slurry skinning and blocking in existing various rotary kiln smoke-box, namely there is liquid phase too early by high temperature (the about 850 DEG C) raw material of kiln tail smoke-box inner chamber, on kiln tail smoke-box blanking slope, stratification is sticked at place, be skinning, severe patient results in blockage, particularly smoke-box reducing skinning, kiln tail system is caused to ventilate not smooth, thermal regulation is disorderly, and cement decomposing furnace resolution ratio declines, and coal consumption improves.
Summary of the invention
Problem to be solved by this invention just there is provided a kind of cement kiln smoke-box reducing combination preformed bricks, solves the problem of the easy skinning of smoke-box reducing sidewall.
For solving the problem, the present invention adopts following scheme:
A kind of cement kiln smoke-box reducing combination preformed bricks, comprise smoke-box reducing body, smoke-box reducing body arranges material gateway, described smoke-box reducing body is piled up shaping by resistive connection skin preformed bricks, the madial wall of described smoke-box reducing body comprises flat segments and is positioned at the tilting section above described flat segments, the sidewall of the described resistive connection skin preformed bricks in described flat segments is parallel with the central shaft of described smoke-box reducing body, and the sidewall of the adjacent described resistive connection skin preformed bricks of described flat segments is mutually concordant, the sidewall being positioned at the described resistive connection skin preformed bricks on described tilting section comprises inclined plane and is positioned at the vertical plane below inclined plane, angle between described inclined plane and described smoke-box reducing body central axle is 60 °-75 °, described vertical plane is parallel with described smoke-box reducing body central axle, the inclined plane of adjacent described resistive connection skin preformed bricks is parallel to each other, and the bottom face area being positioned at the described resistive connection skin preformed bricks of top is more than or equal to the top end face area of the described resistive connection skin preformed bricks being positioned at below.
Further, the top end face of described resistive connection skin preformed bricks is provided with projection, and the bottom face of adjacent described resistive connection skin preformed bricks is provided with the groove with described male cooperation, and the top end face of described resistive connection skin preformed bricks is close to the bottom face of adjacent described resistive connection skin preformed bricks.
Further, described projection is wedging block, and described projection is greater than the width of described projection away from described resistive connection skin preformed bricks one end near described resistive connection skin preformed bricks one end width, and described groove is the convergent groove coordinated with described wedging block.
Further, also comprise adhesive, between described projection and described groove, be provided with gap, filling adhesive in described gap.
Further, described adhesive is High temperature Refractory Mortar.
Further, the vertical plane of adjacent described resistive connection skin preformed bricks is mutually concordant.
Beneficial effect of the present invention:
Smoke-box reducing combination preformed bricks of the present invention, comprise smoke-box reducing body, smoke-box reducing body is piled up shaping by resistive connection skin preformed bricks, the madial wall of smoke-box reducing body is decomposed into some little, mutual disjunct planes, madial wall can be avoided owing to being heated inequality and cause large-arealy occurring skinning.Smoke-box reducing body is provided with tilting section and flat segments, the resistive connection skin preformed bricks be positioned on tilting section comprises inclined plane and is positioned at the vertical plane below inclined plane, after there is skinning in the sidewall of resistive connection skin preformed bricks, inclined plane facilitates skinning to come off from the sidewall of resistive connection skin preformed bricks, a height fall is provided between the inclined plane of vertical plane for adjacent two pieces of resistive connection skin preformed bricks, after skinning comes off from the inclined-plane of resistive connection skin preformed bricks or vertical plane, clash into the inclined-plane of the resistive connection skin preformed bricks of below, skinning will resolve into some little skinning, this structure can avoid below pipeline block by skinning, thus the material affected in smoke-box reducing and flue gas turnover.The bottom face area being positioned at the resistive connection skin preformed bricks of top is more than or equal to the top end face area of the resistive connection skin preformed bricks being positioned at below, it is too fast that this structure not only can avoid smoke-box reducing sidewall thickness to reduce, and cause smoke-box reducing insufficient strength, meanwhile, resistive connection skin preformed bricks is heated in junction inequality and occur serious skinning.
The top end face of resistive connection skin preformed bricks is provided with projection, and the bottom face of adjacent resistive connection skin preformed bricks is provided with the groove with male cooperation, and upper and lower two pieces of adjacent resistive connection skin preformed bricks can link together by this structure.The top end face of resistive connection skin preformed bricks is close to the bottom face of adjacent resistive connection skin preformed bricks, and this structure can be avoided skinning to be deposited in two pieces of adjacent resistive connection skins paying in advance in the gap of brick.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of cement kiln smoke-box of the present invention reducing combination preformed bricks;
Fig. 2 is the partial enlarged drawing of a kind of cement kiln smoke-box of the present invention reducing combination preformed bricks tilting section.
Detailed description of the invention
With reference to Fig. 1, a kind of cement kiln smoke-box reducing combination preformed bricks, comprise smoke-box reducing body 1, smoke-box reducing body 1 is circulating line, the top end face of smoke-box reducing body 1 is provided with material import and export 11, the madial wall of smoke-box reducing body 1 comprises flat segments and tilting section, smoke-box reducing body 1 comprises resistive connection skin preformed bricks 2 and resistive connection skin preformed bricks 3, the cross section of resistive connection skin preformed bricks 2 is rectangle, the side of resistive connection skin preformed bricks 2 is parallel with the central shaft of pipeline body 1, flat segments in smoke-box reducing body 1 is piled up shaping by resistive connection skin preformed bricks 2, adjacent resistive connection skin preformed bricks 2 is mutually concordant.Tilting section in smoke-box reducing body 1 is piled up shaping by resistive connection skin preformed bricks 3, adjacent resistive connection skin preformed bricks 3 is mutually concordant, the cross section of resistive connection skin preformed bricks 3 is pentagon, wherein, the upper surface of resistive connection skin preformed bricks 3 is parallel with the lower surface of resistive connection skin preformed bricks 3, the left surface of resistive connection skin preformed bricks 3 is arranged in smoke-box reducing body 1, the left surface of resistive connection skin preformed bricks 3 comprises inclined plane 31 and the vertical plane 32 be positioned at below inclined plane 31, vertical plane 32 is parallel with the right flank of resistive connection skin preformed bricks 3, the inclined plane 31 of adjacent resistive connection skin preformed bricks 3 is parallel to each other, the vertical plane 32 of adjacent resistive connection skin preformed bricks is parallel to each other, angle between inclined plane 31 and smoke-box reducing body 1 central shaft is 60 °, the bottom face area of resistive connection skin preformed bricks 3 equals the top end face area of resistive connection skin preformed bricks 2.
See figures.1.and.2, resistive connection skin preformed bricks 3 comprises neighbouring resistive connection skin preformed bricks 4 and resistive connection skin preformed bricks 5, the bottom face of resistive connection skin preformed bricks 4 is provided with convergent groove 41, the top end face of resistive connection skin preformed bricks 5 is provided with wedging block 51, and wedging block 51 is connected one end width with resistive connection skin preformed bricks 5 top end face is less than the width away from resistive connection skin preformed bricks 5 top end face one end.Be provided with gap between the top end face of wedging block 51 and the roof of convergent groove 41, filling adhesive 6 in gap, adhesive 6 is High temperature Refractory Mortar.After together with resistive connection skin preformed bricks 4 is embedded in resistive connection skin prefabricated 5, the bottom face of resistive connection skin preformed bricks 4 and the top end face of resistive connection skin preformed bricks 5 are close together.
The bottom face of resistive connection skin preformed bricks can arrange L connected in star, and it is protruding that the top end face of adjacent resistive connection skin preformed bricks can arrange the L-type coordinated with L connected in star; Or the bottom face of resistive connection skin preformed bricks arranges trapezoidal groove, the top end face of adjacent resistive connection skin preformed bricks arranges the trapezoidal projection coordinated with trapezoidal groove.
The above, be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and those of ordinary skill in the art should be understood that and the present invention includes but the content being not limited to accompanying drawing and describing in detailed description of the invention above.Any amendment not departing from function and structure principle of the present invention all will comprise within the scope of the appended claims.
Claims (6)
1. a cement kiln smoke-box reducing combination preformed bricks, comprise smoke-box reducing body, smoke-box reducing body is provided with material import and export, described smoke-box reducing body is piled up shaping by resistive connection skin preformed bricks, it is characterized in that: the madial wall of described smoke-box reducing body comprises flat segments and is positioned at the tilting section above described flat segments, the sidewall of the described resistive connection skin preformed bricks in described flat segments is parallel with the central shaft of described smoke-box reducing body, and the sidewall of the adjacent described resistive connection skin preformed bricks of described flat segments is mutually concordant, the sidewall being positioned at the described resistive connection skin preformed bricks on described tilting section comprises inclined plane and is positioned at the vertical plane below inclined plane, angle between described inclined plane and described smoke-box reducing body central axle is 60 °-75 °, described vertical plane is parallel with described smoke-box reducing body central axle, the inclined plane of adjacent described resistive connection skin preformed bricks is parallel to each other, and the bottom face area being positioned at the described resistive connection skin preformed bricks of top is more than or equal to the top end face area of the described resistive connection skin preformed bricks being positioned at below.
2. a kind of cement kiln smoke-box reducing combination preformed bricks according to claim 1, it is characterized in that: the top end face of described resistive connection skin preformed bricks is provided with projection, the bottom face of adjacent described resistive connection skin preformed bricks is provided with the groove with described male cooperation, and the top end face of described resistive connection skin preformed bricks is close to the bottom face of adjacent described resistive connection skin preformed bricks.
3. a kind of cement kiln smoke-box reducing combination preformed bricks according to claim 2, it is characterized in that: described projection is wedging block, described projection is greater than the width of described projection away from described resistive connection skin preformed bricks one end near described resistive connection skin preformed bricks one end width, and described groove is the convergent groove coordinated with described wedging block.
4. a kind of cement kiln smoke-box reducing combination preformed bricks according to claim 2, is characterized in that: also comprise adhesive, is provided with gap between described projection and described groove, filling adhesive in described gap.
5. a kind of cement kiln smoke-box reducing combination preformed bricks according to claim 4, is characterized in that: described adhesive is High temperature Refractory Mortar.
6., according to a kind of cement kiln smoke-box reducing combination preformed bricks one of claim 1 to 5 Suo Shu, it is characterized in that: the vertical plane of adjacent described resistive connection skin preformed bricks is mutually concordant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410424113.4A CN104236312B (en) | 2014-08-26 | 2014-08-26 | A kind of cement kiln smoke-box reducing combination preformed bricks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410424113.4A CN104236312B (en) | 2014-08-26 | 2014-08-26 | A kind of cement kiln smoke-box reducing combination preformed bricks |
Publications (2)
| Publication Number | Publication Date |
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| CN104236312A true CN104236312A (en) | 2014-12-24 |
| CN104236312B CN104236312B (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410424113.4A Active CN104236312B (en) | 2014-08-26 | 2014-08-26 | A kind of cement kiln smoke-box reducing combination preformed bricks |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106813508A (en) * | 2017-03-09 | 2017-06-09 | 兴化市华伦达铸钢有限公司 | The cement kiln preheaters smoke-box necking position compound necking plate of multielement |
| CN110243178A (en) * | 2019-07-05 | 2019-09-17 | 辽宁忠旺集团有限公司 | A kind of aluminium alloy crucible experimental furnace base connects formula burner hearth |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3471136A (en) * | 1966-12-19 | 1969-10-07 | Veitscher Magnesitwerke Ag | Rotary cement kiln lining brick |
| CN101236051A (en) * | 2007-01-30 | 2008-08-06 | 范圣良 | Energy-saving type wind-guiding machine vertical kiln |
| CN202630685U (en) * | 2012-06-04 | 2012-12-26 | 长兴国盛耐火材料有限公司 | Precast part used for decomposition furnace cone and smoke chamber slope |
| CN202675885U (en) * | 2012-07-04 | 2013-01-16 | 长兴国盛耐火材料有限公司 | Special protection brick for tertiary air valve |
| CN204007137U (en) * | 2014-08-26 | 2014-12-10 | 长兴兴鹰新型耐火建材有限公司 | Combination preformed bricks for the reducing of a kind of cement kiln smoke-box |
-
2014
- 2014-08-26 CN CN201410424113.4A patent/CN104236312B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3471136A (en) * | 1966-12-19 | 1969-10-07 | Veitscher Magnesitwerke Ag | Rotary cement kiln lining brick |
| CN101236051A (en) * | 2007-01-30 | 2008-08-06 | 范圣良 | Energy-saving type wind-guiding machine vertical kiln |
| CN202630685U (en) * | 2012-06-04 | 2012-12-26 | 长兴国盛耐火材料有限公司 | Precast part used for decomposition furnace cone and smoke chamber slope |
| CN202675885U (en) * | 2012-07-04 | 2013-01-16 | 长兴国盛耐火材料有限公司 | Special protection brick for tertiary air valve |
| CN204007137U (en) * | 2014-08-26 | 2014-12-10 | 长兴兴鹰新型耐火建材有限公司 | Combination preformed bricks for the reducing of a kind of cement kiln smoke-box |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106813508A (en) * | 2017-03-09 | 2017-06-09 | 兴化市华伦达铸钢有限公司 | The cement kiln preheaters smoke-box necking position compound necking plate of multielement |
| CN106813508B (en) * | 2017-03-09 | 2023-01-24 | 上海热伦新材料科技有限公司 | Multi-element composite necking plate for necking part of smoke chamber of preheater of cement kiln |
| CN110243178A (en) * | 2019-07-05 | 2019-09-17 | 辽宁忠旺集团有限公司 | A kind of aluminium alloy crucible experimental furnace base connects formula burner hearth |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104236312B (en) | 2016-06-08 |
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