CN218480907U - Kiln car for 122-meter ultra-long tunnel kiln - Google Patents
Kiln car for 122-meter ultra-long tunnel kiln Download PDFInfo
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- CN218480907U CN218480907U CN202222441730.8U CN202222441730U CN218480907U CN 218480907 U CN218480907 U CN 218480907U CN 202222441730 U CN202222441730 U CN 202222441730U CN 218480907 U CN218480907 U CN 218480907U
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Abstract
The utility model discloses a 122 meters kiln car for overlength tunnel cave, including the use layer, the bottom fixedly connected with heat preservation of use layer, the permanent layer of bottom fixedly connected with of heat preservation, the bottom fixedly connected with steel construction on permanent layer, the material on permanent layer is the mullite, the use layer includes electric smelting magnesite clinker and corundum, the heat preservation includes alpha-Al 2O3 miropowder and sintering corundum, the length of steel construction is 2710mm ~ 3390mm, the equal fixedly connected with riser in four corners of steel construction bottom, and one side of riser has the pivot through bearing swing joint, and the fixed surface of pivot is connected with the gyro wheel. The utility model discloses a cooperation of use layer, heat preservation, permanent layer and steel construction for the kiln car has the security high and long service life's performance, and improves kiln car thermal stability, high temperature performance and reduces large-scale kiln car dead weight problem.
Description
Technical Field
The utility model relates to a tunnel cave technical field specifically is a kiln car for 122 meters overlength tunnel cave.
Background
The trend of tunnel kiln maximization is imperative, and kiln car occupies an important position in tunnel kiln, and kiln car is the main factor that influences tunnel kiln firing quality, operation reliability and economic benefits, and tunnel kiln compares with other types of kilns, has following advantage: (1) the energy consumption of the ultra-long tunnel kiln is reduced, the drying and firing effects are achieved, and the temperature reduction of a kiln car after drying is avoided; (2) the kiln car has long service life, and the refractory material of the kiln car is not easy to damage due to small temperature change and small volume change; (3) the labor cost is low, intelligent and digital control is adopted, the operation procedures are reduced, and the working efficiency is improved.
However, in the current production and configuration device of the tunnel kiln, the length of the existing kiln car is 2260mm, the larger the demand on the number of the kiln cars is along with the increase of the length of the tunnel kiln, the cost of investment is also increased, and the too large number of the kiln cars influences the production efficiency and the quality of the fired products of the tunnel kiln.
Still need control the kiln car dead weight in certain extent still, avoid the kiln car maximization to bring the problem of dead weight great, this also has higher requirement to kiln car refractory material, and firstly, refractory material needs to have higher security than before, and secondly higher high temperature strength and thermal shock resistance, and finally kiln car's high temperature performance requires more, therefore designs a high security, kiln car equipment that high temperature performance is good and becomes one of the current refractory product production facility urgent problem of awaiting the solution.
Disclosure of Invention
Not enough to prior art, the utility model provides a 122 meters kiln car for overlength tunnel cave possesses the advantage of the kiln car maximization, high temperature performance good and the little advantage of dead weight, has solved the poor and big problem of dead weight of current kiln car high temperature performance in the use.
Technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a 122 meters kiln car for overlength tunnel cave, includes the use layer, the bottom fixedly connected with heat preservation on use layer, the permanent layer of bottom fixedly connected with on heat preservation, the bottom fixedly connected with steel construction on permanent layer.
Preferably, the material of the permanent layer is mullite.
Preferably, the use layer comprises fused magnesia and corundum.
Preferably, the heat-insulating layer comprises alpha-Al 2O3 micro powder and sintered corundum.
Preferably, the length of the steel structure is 2710mm to 3390mm.
Preferably, the equal fixedly connected with riser in four corners of steel construction bottom, and one side of riser has the pivot through bearing swing joint, and the fixed surface of pivot is connected with the gyro wheel.
Advantageous effects
Compared with the prior art, the utility model provides a kiln car for 122 meters overlength tunnel cave possesses following beneficial effect:
the utility model discloses a cooperation of use layer, heat preservation, permanent layer and steel construction for the kiln car has the security high and long service life's performance, and improves kiln car thermal stability, high temperature performance and reduces large-scale kiln car dead weight problem.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
fig. 2 is a schematic side view of the present invention.
In the figure: 1. a use layer; 2. a heat-insulating layer; 3. a permanent layer; 4. a steel structure.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-2, a kiln car for a 122-meter ultra-long tunnel kiln comprises a use layer 1, wherein the bottom of the use layer 1 is fixedly connected with an insulating layer 2, the bottom of the insulating layer 2 is fixedly connected with a permanent layer 3, and the bottom of the permanent layer 3 is fixedly connected with a steel structure 4.
The material of the permanent layer 3 is mullite.
Through the technical scheme, the permanent layer 3 is arranged, and the material of the permanent layer 3 is the light castable prepared from mullite, so that the problems of large-scale kiln car and large self weight are solved.
The application layer 1 comprises fused magnesia and corundum.
According to the technical scheme, the use layer 1 is arranged, and the use layer 1 is prepared from 30-40% of fused magnesia and 60-70% of corundum, so that the problem of poor thermal stability of the use layer 1 is solved.
The heat-insulating layer 2 comprises alpha-Al 2O3 micro powder and sintered corundum.
Through above-mentioned technical scheme, through setting up heat preservation 2, heat preservation 2 carries out the batching for alpha-Al 2O3 miropowder and sintered corundum, and the proportion is 1 ~ 47, further improves heat preservation 2's fire-resistant effect.
The length of the steel structure 4 is 2710 mm-3390 mm.
Through above-mentioned technical scheme, through setting up the length of steel construction 4 for the kiln car only needs 38, reduces 27% kiln car quantity.
The equal fixedly connected with riser in four corners of 4 bottoms of steel construction, and one side of riser has the pivot through bearing swing joint, and the fixed surface of pivot is connected with the gyro wheel.
Through the technical scheme, the vertical plate, the bearing and the rotating shaft are arranged, so that the roller is stabilized in working, and the kiln car is convenient to move.
When using, through setting up the user layer 1, the user layer 1 is that 30 ~ 40% fused magnesia and 60 ~ 70% corundum carry out the batching, solves the poor problem of user layer 1 thermal stability, and through setting up heat preservation 2, heat preservation 2 carries out the batching for alpha-Al 2O3 miropowder and sintered corundum, and the proportion is 1 ~ 47, further improves the fire-resistant effect of heat preservation 2, and through setting up permanent layer 3, the material of permanent layer 3 is the light castable of mullite preparation, solves the problem that the kiln car is enlarged and the dead weight is big.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The kiln car for the 122-meter ultra-long tunnel kiln comprises a use layer (1), and is characterized in that: the bottom fixedly connected with heat preservation (2) on use layer (1), the bottom fixedly connected with permanent layer (3) of heat preservation (2), the bottom fixedly connected with steel construction (4) on permanent layer (3).
2. The kiln car for the 122-meter ultra-long tunnel kiln as claimed in claim 1, wherein: the material of the permanent layer (3) is mullite.
3. The kiln car for the 122-meter ultra-long tunnel kiln as claimed in claim 1, wherein: the using layer (1) comprises fused magnesia and corundum.
4. The kiln car for the 122-meter ultra-long tunnel kiln as claimed in claim 1, wherein: the heat-insulating layer (2) comprises alpha-Al 2O3 micro powder and sintered corundum.
5. The kiln car for the 122-meter ultra-long tunnel kiln as claimed in claim 1, wherein: the length of the steel structure (4) is 2710 mm-3390 mm.
6. The kiln car for the 122-meter ultra-long tunnel kiln as claimed in claim 1, wherein: the equal fixedly connected with riser in four corners of steel construction (4) bottom, and one side of riser has the pivot through bearing swing joint, and the fixed surface of pivot is connected with the gyro wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222441730.8U CN218480907U (en) | 2022-09-15 | 2022-09-15 | Kiln car for 122-meter ultra-long tunnel kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222441730.8U CN218480907U (en) | 2022-09-15 | 2022-09-15 | Kiln car for 122-meter ultra-long tunnel kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218480907U true CN218480907U (en) | 2023-02-14 |
Family
ID=85168048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222441730.8U Active CN218480907U (en) | 2022-09-15 | 2022-09-15 | Kiln car for 122-meter ultra-long tunnel kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218480907U (en) |
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2022
- 2022-09-15 CN CN202222441730.8U patent/CN218480907U/en active Active
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