CN209926841U - Rotary kiln lining structure - Google Patents
Rotary kiln lining structure Download PDFInfo
- Publication number
- CN209926841U CN209926841U CN201920312962.9U CN201920312962U CN209926841U CN 209926841 U CN209926841 U CN 209926841U CN 201920312962 U CN201920312962 U CN 201920312962U CN 209926841 U CN209926841 U CN 209926841U
- Authority
- CN
- China
- Prior art keywords
- rotary kiln
- heat preservation
- layer
- refractory
- lining structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004321 preservation Methods 0.000 claims abstract description 43
- 239000000835 fiber Substances 0.000 claims abstract description 28
- 229920000742 Cotton Polymers 0.000 claims abstract description 16
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000011248 coating agent Substances 0.000 claims abstract description 15
- 238000000576 coating method Methods 0.000 claims abstract description 15
- 239000003063 flame retardant Substances 0.000 claims abstract description 15
- 238000010276 construction Methods 0.000 claims abstract description 7
- 238000009413 insulation Methods 0.000 claims description 15
- 239000000919 ceramic Substances 0.000 claims description 8
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 5
- 210000002268 wool Anatomy 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 210000003934 vacuole Anatomy 0.000 abstract description 2
- 239000011449 brick Substances 0.000 description 19
- 230000009970 fire resistant effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 239000005995 Aluminium silicate Substances 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 3
- 229910000323 aluminium silicate Inorganic materials 0.000 description 3
- 235000012211 aluminium silicate Nutrition 0.000 description 3
- 239000004917 carbon fiber Substances 0.000 description 3
- 239000000571 coke Substances 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 239000011094 fiberboard Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Abstract
The utility model provides a rotary kiln lining structure, including rotary kiln barrel and inside lining, the heat preservation has been laid to rotary kiln barrel inner wall, the heat preservation is located the rotary kiln barrel with between the inside lining, the inside lining is formed around piling up for resistant firebrick, resistant firebrick is including insulating layer, refractory fiber layer and the flame retardant coating that distributes in proper order, the flame retardant coating refractory fiber layer with the inside anchor nail that runs through that is equipped with of insulating layer, the flame retardant coating is close to the outside of heat preservation is connected with a plurality of convex linking arms, the linking arm with heat preservation rigid contact, adjacent the linking arm with vacuole formation between the heat preservation, it has the heat preservation cotton, adjacent two to fill in the cavity resistant firebrick form zigzag shaped construction joint between the flame retardant coating. The utility model discloses it is effectual to keep warm, and the energy is difficult for the loss, and the inner lining structure of rotary kiln is not fragile, has improved life.
Description
Technical Field
The utility model relates to a smelting equipment technical field, concretely relates to rotary kiln lining structure.
Background
The rotary kiln is a cylindrical device with a certain inclination, promotes the stirring of materials by means of the rotation of a kiln body, enables the materials to be fully mixed and contacted for reaction, and has wide application in the fields of building materials, metallurgical chemical engineering, environmental protection and the like. In the working process, the temperature in the rotary kiln can reach 1300 ℃, the kiln body of the rotary kiln is generally composed of refractory bricks, insulating bricks and a rotary kiln cylinder body wrapped outside the refractory bricks, the refractory bricks are high-temperature resistant, but the heat conductivity coefficient of the refractory bricks is overlarge, so that the temperature of the surface of the rotary kiln cylinder body made of metal is higher and can reach more than 300 ℃, the production danger is increased, and a large amount of heat is lost on the outer wall of the rotary kiln cylinder body through radiation heat dissipation, air convection and other forms. In addition, the lining of the existing rotary kiln is easy to damage in the high-temperature working process, and the construction joints on the lining are always in a straight line shape, so that the insulating layer is easy to directly wash materials such as coke breeze in the rotary kiln, the insulating layer is easy to fall off, and the function of the rotary kiln is influenced. Therefore, a rotary kiln lining structure capable of solving the existing problems is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at prior art not enough, provide a rotary kiln inner lining structure, this rotary kiln keep warm effectual, the energy is difficult for the loss, and energy-conserving heat preservation effect is better, and the inner lining structure of rotary kiln is not fragile, helps improving the life of rotary kiln.
The utility model provides a following technical scheme:
the utility model provides a rotary kiln lining structure, includes rotary kiln barrel and inside lining, the heat preservation has been laid to rotary kiln barrel inner wall, the heat preservation is located the rotary kiln barrel with between the inside lining, the inside lining is formed around piling up for resistant firebrick, resistant firebrick is including insulating layer, refractory fiber layer and the flame retardant coating that distributes in proper order, the flame retardant coating refractory fiber layer with the inside anchor nail that runs through that is equipped with of insulating layer, the flame retardant coating is close to the outside of heat preservation is connected with a plurality of convex linking arms, the linking arm with heat preservation rigid contact, adjacent the linking arm with form the cavity between the heat preservation, the cavity intussuseption is filled with the heat preservation cotton, adjacent two resistant firebrick form zigzag's construction joint between the flame retardant coating.
Preferably, the refractory fiber layer penetrates through the heat insulation layer and the refractory layer.
Preferably, the refractory fiber layer is disposed within the refractory layer.
Preferably, the refractory fiber layer is arranged between the refractory layer and the thermal insulation layer.
Preferably, the heat insulation layer is a ceramic fiber board.
Preferably, the inner surface of the fire-resistant layer is provided with a fire-resistant wear-resistant layer.
Preferably, the anchor studs are Y-shaped anchor studs.
Preferably, the heat insulation cotton is aluminum silicate ceramic heat insulation cotton.
The utility model has the advantages that:
the utility model has the advantages that the construction joints between the fire-resistant layers of the adjacent refractory bricks are zigzag, so that the materials such as coke breeze and the like are not easy to wash on the heat-insulating layer, the heat-insulating layer is prevented from being damaged, and the service life of the lining is prolonged; the utility model comprises a heat insulation layer, a refractory fiber layer and a refractory layer, wherein the refractory fiber layer can penetrate through the heat insulation layer and the refractory layer, thereby not only improving the heat insulation performance of the refractory brick, but also being beneficial to improving the stability of the refractory brick structure and reducing the possibility of damage of the refractory brick; the utility model discloses not only be equipped with the heat preservation, and be equipped with the cavity between the linking arm of insulating layer and the heat preservation, the cavity intussuseption is filled with aluminium silicate ceramic heat preservation cotton, and the heat preservation helps improving the heat preservation effect of rotary kiln with the cotton common setting that keeps warm, reduces thermal loss, reduces the surface temperature of rotary kiln barrel, and energy-conserving heat preservation effect is better.
Drawings
The accompanying drawings are included to provide a further understanding and description of the invention.
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
fig. 3 is an enlarged schematic view of embodiment 2 of the present invention;
fig. 4 is an enlarged schematic view of embodiment 3 of the present invention.
Labeled as: 1. a rotary kiln cylinder; 2. a heat-insulating layer; 3. a refractory brick; 4. a thermal insulation layer; 5. a refractory layer; 6. a refractory fiber layer; 7. anchoring nails; 8. a connecting arm; 9. heat preservation cotton; 10. constructing a joint; 11. a refractory wear layer.
Detailed Description
Example 1
As shown in fig. 1 and 2, the lining structure of the rotary kiln comprises a rotary kiln cylinder 1 and a lining, wherein an insulating layer 2 is laid on the inner wall of the rotary kiln cylinder 1, the insulating layer 2 is a ceramic fiberboard, and the insulating layer 2 is arranged between the rotary kiln cylinder 1 and the lining.
The inside lining is 3 to encircle to pile up and forms for resistant firebrick, and 3 refractory bricks are including insulating layer 4, refractory fiber layer 6 and the flame retardant coating 5 that distribute in proper order, and refractory fiber layer 6 runs through in insulating layer 4 and flame retardant coating 5, and refractory fiber layer 6 can adopt latticed carbon fiber layer, for the wear resistance who improves the inside lining, the life of extension inside lining, and the internal surface of flame retardant coating 5 still is equipped with fire-resistant wearing layer 11. Refractory layer 5, the inside anchor nail 7 that runs through that is equipped with of refractory fiber layer 6 and insulating layer 4, anchor nail 7 is Y shape anchor nail 7, the inside lining passes through anchor nail 7 to be fixed on rotary kiln barrel 1, the outside that refractory layer 5 is close to heat preservation 2 is connected with a plurality of convex linking arms 8, linking arm 8 and 2 rigid contact of heat preservation, vacuole formation between adjacent linking arm 8 and the heat preservation 2, the cavity intussuseption is filled with the heat preservation effect of heat preservation cotton 9 in order to improve this rotary kiln, heat preservation cotton 9 is aluminium silicate ceramic heat preservation cotton, set up the heat preservation cotton in the cavity, not only help improving the heat preservation effect of rotary kiln, and can not compress tightly the cotton material of heat preservation, the cotton live time of. Moreover, a zigzag-shaped construction joint 10 is formed between the refractory layers 5 of two adjacent refractory bricks 3.
In the embodiment, the construction joints 10 between the refractory layers 5 of the adjacent refractory bricks 3 are zigzag, so that substances such as coke breeze and the like are not easy to wash the insulating layer 2, the insulating layer 2 is prevented from being damaged, and the service life of the lining is prolonged; the refractory brick 3 of the embodiment comprises the heat insulation layer 4, the refractory fiber layer 6 and the refractory layer 5, wherein the refractory fiber layer 6 can penetrate through the heat insulation layer 4 and the refractory layer 5, so that the heat insulation performance of the refractory brick 3 is improved, the structural stability of the refractory brick 3 is improved, and the possibility of damage to the refractory brick 3 is reduced; this embodiment not only is equipped with heat preservation 2, and is equipped with the cavity between 8 of the linking arm of insulating layer 4 and the heat preservation 2, and the cavity intussuseption is filled with aluminium silicate ceramic heat preservation cotton 9, and heat preservation 2 and the common setting of heat preservation cotton 9 help improving the heat preservation effect of rotary kiln, reduce thermal loss, reduce rotary kiln barrel 1's surface temperature, and energy-conserving heat preservation effect is better.
Example 2
As shown in fig. 3, the refractory brick 3 includes a heat insulation layer 4, a refractory fiber layer 6 and a refractory layer 5, which are sequentially arranged, the refractory fiber layer 6 is arranged in the refractory layer 5, and the refractory fiber layer 6 may be a grid-shaped carbon fiber layer. In order to improve the wear resistance of the lining and prolong the service life of the lining, the inner surface of the fire-resistant layer 5 is provided with a fire-resistant wear-resistant layer 11. The shapes and positional relationships of other structures of the lining structure of the rotary kiln of the present embodiment are the same as those of embodiment 1.
Example 3
As shown in fig. 4, the refractory brick 3 includes a heat insulating layer 4, a refractory fiber layer 6 and a refractory layer 5, which are sequentially arranged, the refractory fiber layer 6 is arranged between the refractory layer 5 and the heat insulating layer 4, and the refractory fiber layer 6 may be a latticed carbon fiber layer. In order to improve the wear resistance of the lining and prolong the service life of the lining, the inner surface of the fire-resistant layer 5 is provided with a fire-resistant wear-resistant layer 11. The shapes and positional relationships of other structures of the lining structure of the rotary kiln of the present embodiment are the same as those of embodiment 1.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 (8)
1. The utility model provides a rotary kiln lining structure, its characterized in that, includes rotary kiln barrel and inside lining, the heat preservation has been laid to rotary kiln barrel inner wall, the heat preservation is located the rotary kiln barrel with between the inside lining, the inside lining is formed for resistant firebrick encircles the pile, resistant firebrick is including insulating layer, refractory fiber layer and the flame retardant coating that distributes in proper order, the flame retardant coating refractory fiber layer with the inside anchor nail that runs through that is equipped with of insulating layer, the flame retardant coating is close to the outside of heat preservation is connected with a plurality of convex linking arms, the linking arm with heat preservation rigid contact, adjacent the linking arm with form the cavity between the heat preservation, it has the heat preservation cotton to fill in the cavity, two adjacent resistant firebrick form zigzag's construction joint between the flame retardant coating.
2. The rotary kiln lining structure as claimed in claim 1, wherein said refractory fiber layer penetrates through said insulating layer and said refractory layer.
3. The rotary kiln lining structure as claimed in claim 1, wherein said refractory fiber layer is provided in said refractory layer.
4. The rotary kiln lining structure as claimed in claim 1, wherein said refractory fiber layer is provided between said refractory layer and said insulating layer.
5. The rotary kiln lining structure as claimed in claim 1, wherein said insulating layer is a ceramic fiber plate.
6. The rotary kiln lining structure as claimed in claim 1, wherein the inner surface of the refractory layer is provided with a refractory wear-resistant layer.
7. The rotary kiln lining structure as claimed in claim 1, wherein said anchor nails are Y-shaped anchor nails.
8. The rotary kiln lining structure as claimed in claim 1, wherein the insulation wool is aluminum silicate ceramic insulation wool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920312962.9U CN209926841U (en) | 2019-03-13 | 2019-03-13 | Rotary kiln lining structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920312962.9U CN209926841U (en) | 2019-03-13 | 2019-03-13 | Rotary kiln lining structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209926841U true CN209926841U (en) | 2020-01-10 |
Family
ID=69070474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920312962.9U Expired - Fee Related CN209926841U (en) | 2019-03-13 | 2019-03-13 | Rotary kiln lining structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209926841U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827427A (en) * | 2019-03-13 | 2019-05-31 | 镇江东亚碳素焦化有限公司 | A kind of inner liner of rotary kiln structure |
-
2019
- 2019-03-13 CN CN201920312962.9U patent/CN209926841U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827427A (en) * | 2019-03-13 | 2019-05-31 | 镇江东亚碳素焦化有限公司 | A kind of inner liner of rotary kiln structure |
| CN109827427B (en) * | 2019-03-13 | 2023-11-21 | 镇江东亚碳素焦化有限公司 | Rotary kiln lining structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200110 |