CN211502861U - High-alumina refractory brick for propane dehydrogenation thermal shock resistant reactor - Google Patents
High-alumina refractory brick for propane dehydrogenation thermal shock resistant reactor Download PDFInfo
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- CN211502861U CN211502861U CN201920932357.1U CN201920932357U CN211502861U CN 211502861 U CN211502861 U CN 211502861U CN 201920932357 U CN201920932357 U CN 201920932357U CN 211502861 U CN211502861 U CN 211502861U
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Abstract
The utility model discloses a high-alumina refractory brick for a propane dehydrogenation thermal shock resistance reactor, which comprises a brick body; the brick body comprises an alumina layer, a fireproof heat-insulating layer and a reinforcing consolidation layer from outside to inside; the upper surface, the lower surface, the left surface and the right surface of the brick body adopt complementary special-shaped structures as connecting grooves of two adjacent refractory bricks; the center of the reinforced consolidation layer is provided with a plurality of heat insulation holes; the heat insulation holes are horizontally arranged and penetrate through the reinforcing consolidation layer; the utility model discloses not only have excellent anti reducibility, oxidation resistance and corrosion resistance, still possess good thermal shock stability and high temperature resistance, multi-direction special-shaped structure is as the spread groove, can not appear causing the monolithic brick body to break because of the high temperature and influence holistic phenomenon, can realize the gaseous fast switch in the brick fast, ensures that the heat is difficult for losing in propane dehydrogenation thermal shock resistance reactor working process.
Description
Technical Field
The utility model relates to a propane dehydrogenation thermal shock resistance is high-alumina refractory brick for reactor, it belongs to the brick field.
Background
In the working flow of propane dehydrogenation, a reactor needs to use high-alumina refractory bricks to play a role in fire resistance and heat insulation, and the existing high-alumina refractory bricks are unstable and are easy to have the situations of unsatisfactory heat insulation effect and influence on the whole due to the cracking of a single brick body in the use process; the event the utility model provides a propane dehydrogenation thermal shock resistance reactor is with high aluminium resistant firebrick not only has excellent resistance to reduction, oxidation resistance and corrosion resistance, still possesses good thermal shock stability and high temperature resistance, and multi-direction dysmorphism structure is as the spread groove, can not appear causing the monolithic brick body to break because of the high temperature and influence holistic phenomenon, can realize the quick conversion of gas in the brick fast, ensures that the heat is difficult for losing in propane dehydrogenation thermal shock resistance reactor working process.
Disclosure of Invention
Technical problem to be solved
In order to solve the problems, the utility model provides a high-aluminum refractory brick for a propane dehydrogenation thermal shock resistance reactor.
(II) technical scheme
The utility model relates to a high-alumina refractory brick for a propane dehydrogenation thermal shock resistance reactor, which comprises a brick body; the brick body comprises an alumina layer, a fireproof heat-insulating layer and a reinforcing consolidation layer from outside to inside; the upper surface, the lower surface, the left surface and the right surface of the brick body adopt complementary special-shaped structures as connecting grooves of two adjacent refractory bricks; the center of the reinforced consolidation layer is provided with a plurality of heat insulation holes; the heat insulation holes are horizontally arranged and run through the reinforcing consolidation layer.
Furthermore, the protective layer is high-temperature-resistant anticorrosive paint sprayed on the surface of the brick body.
Further, the content of the aluminum oxide layer accounts for 50% of the brick body.
Furthermore, the fire-resistant heat-insulating layer adopts an aluminum silicate fiber casting material added with concrete companion fiber.
Furthermore, zirconium mullite fine powder is added into the reinforced consolidation layer.
(III) advantageous effects
Compared with the prior art, the utility model, it has following beneficial effect: the utility model relates to a propane dehydrogenation thermal shock resistance reactor is with high aluminium resistant firebrick not only has excellent anti reducibility, oxidation resistance and corrosion resistance, still possesses good thermal shock stability and high temperature resistance, and multi-direction dysmorphism structure is as the spread groove, can not appear leading to the fact monolithic brick body to break because of the high temperature and influence holistic phenomenon, can realize the interior gas fast switch of brick fast, ensures that the heat is difficult for losing in propane dehydrogenation thermal shock resistance reactor working process.
Drawings
FIG. 1 is a schematic structural diagram of a high-alumina refractory brick for propane dehydrogenation thermal shock resistance reactor.
1-a protective layer; 2-an aluminum oxide layer; 3-a refractory protective layer; 4-strengthening the consolidation layer; 5-heat insulation hole.
Detailed Description
The high-alumina refractory brick for the propane dehydrogenation thermal shock resistant reactor shown in the attached drawing comprises a brick body; the brick body comprises an alumina layer 2, a fireproof heat-insulating layer 3 and a reinforcing consolidation layer 4 from outside to inside; the upper surface, the lower surface, the left surface and the right surface of the brick body adopt complementary special-shaped structures as connecting grooves of two adjacent refractory bricks; the center of the reinforcing consolidation layer 4 is provided with a plurality of heat insulation holes 5; the heat insulation holes 5 are horizontally arranged and penetrate through the reinforcing consolidation layer 4.
Wherein, the protective layer 1 is high-temperature resistant anticorrosive paint sprayed on the surface of the brick body; the content of the alumina layer 2 accounts for 50 percent of the brick body; the fire-resistant heat-insulating layer 3 is made of aluminum silicate fiber casting material added with concrete companion fiber; the reinforced consolidation layer 4 is internally added with zirconium mullite fine powder.
The utility model discloses a propane dehydrogenation thermal shock resistance reactor is with high aluminium resistant firebrick not only has excellent resistance to reduction, oxidation resistance and corrosion resistance, still possesses good thermal shock stability and high temperature resistance, and multi-direction special-shaped structure is as the spread groove, can not appear causing the monolithic brick body to break because of the high temperature and influence holistic phenomenon, can realize the interior gas fast switch of brick fast, ensures that the heat is difficult for running off in propane dehydrogenation thermal shock resistance reactor working process.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (5)
1. A high-alumina refractory brick for a propane dehydrogenation thermal shock resistant reactor is characterized in that: comprises a brick body; the brick body comprises an alumina layer (2), a fireproof heat-insulating layer (3) and a reinforcing consolidation layer (4) from outside to inside; the upper surface, the lower surface, the left surface and the right surface of the brick body adopt complementary special-shaped structures as connecting grooves of two adjacent refractory bricks; the center of the reinforcing consolidation layer (4) is provided with a plurality of heat insulation holes (5); the heat insulation holes (5) are horizontally arranged and penetrate through the reinforcing consolidation layer (4).
2. The high-alumina refractory brick for the propane dehydrogenation thermal shock resistant reactor as claimed in claim 1, wherein: the protective layer (1) is high-temperature resistant anticorrosive paint sprayed on the surface of the brick body.
3. The high-alumina refractory brick for the propane dehydrogenation thermal shock resistant reactor as claimed in claim 1, wherein: the content of the alumina layer (2) accounts for 50 percent of the brick body.
4. The high-alumina refractory brick for the propane dehydrogenation thermal shock resistant reactor as claimed in claim 1, wherein: the fire-resistant heat-insulating layer (3) is made of aluminum silicate fiber casting material added with concrete companion fiber.
5. The high-alumina refractory brick for the propane dehydrogenation thermal shock resistant reactor as claimed in claim 1, wherein: zirconium mullite fine powder is added into the reinforced consolidation layer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920932357.1U CN211502861U (en) | 2019-06-20 | 2019-06-20 | High-alumina refractory brick for propane dehydrogenation thermal shock resistant reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920932357.1U CN211502861U (en) | 2019-06-20 | 2019-06-20 | High-alumina refractory brick for propane dehydrogenation thermal shock resistant reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211502861U true CN211502861U (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920932357.1U Active CN211502861U (en) | 2019-06-20 | 2019-06-20 | High-alumina refractory brick for propane dehydrogenation thermal shock resistant reactor |
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| CN (1) | CN211502861U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114380609A (en) * | 2022-02-21 | 2022-04-22 | 江苏朗耐德耐火材料有限公司 | Refractory material for deacidification furnace refractory layer and preparation method thereof |
-
2019
- 2019-06-20 CN CN201920932357.1U patent/CN211502861U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114380609A (en) * | 2022-02-21 | 2022-04-22 | 江苏朗耐德耐火材料有限公司 | Refractory material for deacidification furnace refractory layer and preparation method thereof |
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