Environment-friendly high-temperature-resistant structure
By designing a multi-layer coating structure and utilizing the differences in thickness and porosity between particles at different layers, the issues of high-temperature resistance and cost of coatings or shells are resolved, achieving the superposition of high-temperature resistance and structural stability.
Patent Information
- Application Number
- CN202520173780.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-26
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-01-26
AI Technical Summary
In existing technologies, using coatings or shells made of single or composite materials to improve high-temperature resistance presents challenges in research and development, as well as high costs.
A multi-layer structure consisting of an inorganic high-temperature resistant coating composite layer, a high-temperature resistant hollow microsphere composite layer, and a glass fiber organic refractory coating is adopted. By controlling the thickness of each layer and the difference in porosity between particles, the heat transfer difference between different coatings is constructed to achieve the superposition of high-temperature resistance performance.
This improved the coating's high-temperature resistance and structural stability while reducing costs.
Smart Images
Figure CN223805032U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of temperature resistance, in particular to an environmental protection high temperature resistant structure. BACKGROUND
[0002] In order to improve the temperature resistance of the object, people usually adopt the fireproof coating or high temperature resistant material on the surface of the object, or add a layer of high temperature resistant shell on the surface of the object, which is to reduce or isolate heat transfer. However, the heat transfer in the coating or shell made of homogeneous high temperature resistant material is through the mutual collision of internal microscopic particles, and the heat transfer between the heterogeneous solid materials is through heat conduction and heat radiation. Therefore, in order to improve the temperature resistance of the coating or shell, people usually choose materials with good high temperature resistance to make the coating or shell, and also use different materials to make the high temperature resistant coating or shell, which requires people to research new high temperature resistant material formula or select more kinds of high temperature resistant materials to prepare composite coating or shell. However, the development of new high temperature resistant material formula is difficult, and the use of more kinds of high temperature resistant materials may increase the cost of the product. CONTENT OF THE UTILITY MODEL
[0003] Therefore, the utility model solves the technical problem to provide an environmental protection high temperature resistant structure, which uses different structures of coating of the same material to form a composite structure, and then constructs the difference between different coating materials, so as to realize the difference of heat transfer between different coatings, which is beneficial to realize the superposition of temperature resistance.
[0004] To solve the above technical problems, the utility model provides the following technical scheme:
[0005] An environment-friendly high-temperature-resistant structure is a coating structure, which comprises an inorganic high-temperature-resistant coating composite layer, a high-temperature-resistant hollow microsphere composite layer and a glass fiber organic refractory coating layer, the inorganic high-temperature-resistant coating composite layer comprises at least a first inorganic high-temperature-resistant coating layer and a second inorganic high-temperature-resistant coating layer, the ratio of the thickness h1 of the first inorganic high-temperature-resistant coating layer to the thickness h2 of the second inorganic high-temperature-resistant coating layer is 1:1.2-1.4, the inter-particle porosity of the first inorganic high-temperature-resistant coating layer is less than that of the second inorganic high-temperature-resistant coating layer; the high-temperature-resistant hollow microsphere composite layer comprises a first high-temperature-resistant hollow microsphere layer and a second high-temperature-resistant hollow microsphere layer, the ratio of the thickness H1 of the first high-temperature-resistant hollow microsphere layer to the thickness H2 of the second high-temperature-resistant hollow microsphere layer is 1:1.3-1.7, the inter-particle porosity of the first high-temperature-resistant hollow microsphere layer is 20-50% of that of the second high-temperature-resistant hollow microsphere layer; in the coating structure, the glass fiber organic refractory coating layer is the base layer, and the second high-temperature-resistant hollow microsphere layer, the first high-temperature-resistant hollow microsphere layer, the second inorganic high-temperature-resistant coating layer and the first inorganic high-temperature-resistant coating layer are sequentially arranged from bottom to top.
[0006] In the above environment-friendly high-temperature-resistant structure, the ratio of the sum of the thickness h1 of the first inorganic high-temperature-resistant coating layer and the thickness h2 of the second inorganic high-temperature-resistant coating layer to the sum of the thickness H1 of the first high-temperature-resistant hollow microsphere layer and the thickness H2 of the second high-temperature-resistant hollow microsphere layer is 1:1.6-2.3.
[0007] In the above environment-friendly high-temperature-resistant structure, the ratio of the sum of the thickness h1 of the first inorganic high-temperature-resistant coating layer and the thickness h2 of the second inorganic high-temperature-resistant coating layer to the sum of the thickness H1 of the first high-temperature-resistant hollow microsphere layer and the thickness H2 of the second high-temperature-resistant hollow microsphere layer is 1:1.8-2.1.
[0008] In the above environment-friendly high-temperature-resistant structure, the inorganic high-temperature-resistant coating composite layer further comprises a third inorganic high-temperature-resistant coating layer arranged between the second inorganic high-temperature-resistant coating layer and the first high-temperature-resistant hollow microsphere layer, the ratio of the thickness h1 of the first inorganic high-temperature-resistant coating layer to the thickness h3 of the third inorganic high-temperature-resistant coating layer is 1:0.9-1.1, and the inter-particle porosity of the first inorganic high-temperature-resistant coating layer is the same as that of the third inorganic high-temperature-resistant coating layer.
[0009] In the above environment-friendly high-temperature-resistant structure, the ratio of the thickness h1 of the first inorganic high-temperature-resistant coating layer to the thickness h3 of the third inorganic high-temperature-resistant coating layer is 1:0.95-1.05.
[0010] The environmental protection high-temperature resistant structure, the first high-temperature resistant hollow microsphere layer thickness H1 and the third high-temperature resistant hollow microsphere layer thickness H3 ratio is 1:1.05~1.15.
[0011] The environmental protection high-temperature resistant structure, the first high-temperature resistant hollow microsphere layer thickness H1 and the third high-temperature resistant hollow microsphere layer thickness H3 ratio is 1:1.05~1.15.
[0012] The environmental protection high-temperature resistant structure, the glass fiber organic fire-resistant coating layer thickness is 70~77% of the inorganic high-temperature resistant coating composite layer thickness.
[0013] The beneficial effects of the utility model lie in:
[0014] (1) the utility model utilizes high-temperature resistant coating to carry out multilayer high-temperature resistant structure of composite superposition structure, utilizes the difference of intergranular porosity, changes the heat transfer between two coating layers (for example, heat conduction is mainly heat radiation is auxiliary, heat radiation is mainly heat conduction is auxiliary, etc.), and further improves the high-temperature resistance of entire composite coating.
[0015] (2) the utility model utilizes the coating of intergranular porosity to construct high-temperature resistant performance layer, and utilizes the coating of intergranular porosity to form the support to composite structure at the same time, improves the stability of the utility model structure. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the structure schematic diagram of the utility model environmental protection high-temperature resistant structure.
[0017] In the drawing, 1-first inorganic high-temperature resistant coating layer;2-second inorganic high-temperature resistant coating layer;3-third inorganic high-temperature resistant coating layer;4-first high-temperature resistant hollow microsphere layer;5-second high-temperature resistant hollow microsphere layer;6-third high-temperature resistant hollow microsphere layer;7-glass fiber organic fire-resistant coating. DETAILED DESCRIPTION
[0018] As Figure 1The utility model discloses environmental protection high temperature resistant structure shows, for coating structure, the coating structure includes inorganic high temperature resistant paint composite layer, high temperature resistant hollow microbead composite layer and glass fibre organic refractory coating 7, the inorganic high temperature resistant paint composite layer includes first inorganic high temperature resistant paint layer 1, second inorganic high temperature resistant paint layer 2 and third inorganic high temperature resistant paint layer, the ratio of the first inorganic high temperature resistant paint layer 1 thickness h1 and the second inorganic high temperature resistant paint layer 2 thickness h2 is 1:1.2~1.4, the ratio of the first inorganic high temperature resistant paint layer 1 thickness h1 and the third inorganic high temperature resistant paint layer 3 thickness h3 is 1:0.9~1.1, the first inorganic high temperature resistant paint layer 1 intergranular porosity is less than the second inorganic high temperature resistant paint layer 2 intergranular porosity, the first inorganic high temperature resistant paint layer 1 intergranular porosity is same with the third inorganic high temperature resistant paint layer 3 intergranular porosity;The high temperature resistant hollow microbead composite layer includes first high temperature resistant hollow microbead layer 4, second high temperature resistant hollow microbead layer 5 and third high temperature resistant hollow microbead layer 6, the ratio of the first high temperature resistant hollow microbead layer 4 thickness H1 and the second high temperature resistant hollow microbead layer 5 thickness H2 is 1:1.3~1.7, the ratio of the first high temperature resistant hollow microbead layer 4 thickness H1 and the third high temperature resistant hollow microbead layer 6 thickness H3 is 1:0.95~1.2, the first high temperature resistant hollow microbead layer 4 intergranular porosity is the 20~50% of the second high temperature resistant hollow microbead layer 5 intergranular porosity, the first high temperature resistant hollow microbead layer 4 intergranular porosity is same with the third high temperature resistant hollow microbead layer 6 intergranular porosity;In the coating structure, with the glass fibre organic refractory coating 7 as base layer, from below to above in turn is the third year high temperature resistant hollow microbead layer, the second high temperature resistant hollow microbead layer 5, the first high temperature resistant hollow microbead layer 4, the third inorganic high temperature resistant paint layer 3 the second inorganic high temperature resistant paint layer 2 and the first inorganic high temperature resistant paint layer 1. Wherein, in the embodiment, preferably, the ratio of the first inorganic high temperature resistant paint layer 1 thickness h1 and the third inorganic high temperature resistant paint layer 3 thickness h3 is 1:0.95~1.05, the ratio of the first high temperature resistant hollow microbead layer 4 thickness H1 and the third high temperature resistant hollow microbead layer 6 thickness H3 is 1:1.05~1.15.
[0019] In the embodiment, the particle interstitial porosity of the second inorganic high-temperature-resistant coating layer 2 is greater than the particle interstitial porosity of the first inorganic high-temperature-resistant coating layer 1, which aims to: the first inorganic high-temperature-resistant coating layer 1 can be used to form an isolation layer to avoid the heat transfer of high-temperature air to the inside of the utility model by convection, and meanwhile, the proportion of heat radiation in the heat transfer inside the utility model can be increased by using the greater particle interstitial porosity of the second inorganic high-temperature-resistant coating layer 2, so as to increase the difficulty of heat transfer and improve the high-temperature-resistant performance of the utility model. Similarly, the difference between the first high-temperature-resistant hollow microsphere layer 4 and the second high-temperature-resistant hollow microsphere layer 5 aims to improve the high-temperature-resistant performance of the utility model.
[0020] The ratio of the sum of the thickness h1 of the first inorganic high-temperature-resistant coating layer 1 and the thickness h2 of the second inorganic high-temperature-resistant coating layer 2 to the sum of the thickness H1 of the first high-temperature-resistant hollow microsphere layer 4 and the thickness H2 of the second high-temperature-resistant hollow microsphere layer 5 is 1:1.6-2.3, preferably 1:1.8-2.1; the thickness of the glass fiber organic fire-resistant coating layer 7 is 70-77% of the thickness of the inorganic high-temperature-resistant coating composite layer.
[0021] In the embodiment, the inorganic high-temperature-resistant coating composite layer is made of inorganic coating, wherein the volume density of the inorganic coating used in the first inorganic high-temperature-resistant coating layer 1 and the third inorganic high-temperature-resistant coating layer 3 is 1.70 g / cm 3 , the volume density of the inorganic coating used in the second inorganic high-temperature-resistant coating layer 2 is 1.32 g / cm 3 , and the difference between the two kinds of inorganic coating is only the difference in the particle size of the aggregate: the particle size of the aggregate in the inorganic coating used in the second inorganic high-temperature-resistant coating layer 2 is greater than the particle size of the aggregate in the inorganic coating used in the third inorganic high-temperature-resistant coating layer 3; the high-temperature-resistant hollow microsphere composite layer is made of hollow microspheres made of silicon dioxide and aluminum oxide, wherein the particle size of the hollow microspheres used in the first high-temperature-resistant hollow microsphere layer 4 and the third high-temperature-resistant hollow microsphere layer 6 is 2-30 μm, the particle size of the hollow microspheres used in the second high-temperature-resistant hollow microsphere layer 5 is 60-90 μm; and the glass fiber organic fire-resistant coating layer 7 is made of glass fiber and organic silicon fire-resistant coating.
[0022] When the environment-friendly high-temperature-resistant structure of the utility model is prepared, heating can be performed after the glass fiber organic fire-resistant coating layer 7 is laid and sprayed, so that the air content in the high-temperature-resistant hollow microsphere composite layer is reduced when the inorganic high-temperature-resistant coating composite layer forms a dense layer, the heat convection in the heat transfer process is reduced, and then the amount of heat transferred to the inner layer through the high-temperature-resistant hollow microsphere composite layer is reduced, thereby playing a heat insulation role.
[0023] Obviously, the above embodiments are only examples for clearly illustrating the present application and are not intended to limit the present application. Based on the above description, one of ordinary skill in the art can make other different forms of changes or modifications. Here, it is not necessary or possible to enumerate all the embodiments. The obvious changes or modifications derived from the above should be covered in the protection scope of the present application.
Claims
1. An environmentally friendly high temperature resistant structure, characterized in that, The environment-friendly high-temperature-resistant structure is a coating structure, the coating structure comprises an inorganic high-temperature-resistant coating composite layer, a high-temperature-resistant hollow microsphere composite layer and a glass fiber organic refractory coating (7), the inorganic high-temperature-resistant coating composite layer comprises at least a first inorganic high-temperature-resistant coating layer (1) and a second inorganic high-temperature-resistant coating layer (2), the ratio of the thickness h1 of the first inorganic high-temperature-resistant coating layer (1) to the thickness h2 of the second inorganic high-temperature-resistant coating layer (2) is 1:1.2-1.4, the inter-particle porosity of the first inorganic high-temperature-resistant coating layer (1) is less than the inter-particle porosity of the second inorganic high-temperature-resistant coating layer (2); the high-temperature-resistant hollow microsphere composite layer comprises a first high-temperature-resistant hollow microsphere layer (4) and a second high-temperature-resistant hollow microsphere layer (5), the ratio of the thickness H1 of the first high-temperature-resistant hollow microsphere layer (4) to the thickness H2 of the second high-temperature-resistant hollow microsphere layer (5) is 1:1.3-1.7, the inter-particle porosity of the first high-temperature-resistant hollow microsphere layer (4) is 20-50% of the inter-particle porosity of the second high-temperature-resistant hollow microsphere layer (5); in the coating structure, the glass fiber organic refractory coating (7) is taken as a base layer, the second high-temperature-resistant hollow microsphere layer (5), the first high-temperature-resistant hollow microsphere layer (4), the second inorganic high-temperature-resistant coating layer (2) and the first inorganic high-temperature-resistant coating layer (1) are sequentially arranged from bottom to top.
2. The environmentally friendly high temperature resistant structure according to claim 1, wherein, The ratio of the sum of the thickness h1 of the first inorganic high-temperature-resistant coating layer (1) and the thickness h2 of the second inorganic high-temperature-resistant coating layer (2) to the sum of the thickness H1 of the first high-temperature-resistant hollow microsphere layer (4) and the thickness H2 of the second high-temperature-resistant hollow microsphere layer (5) is 1:1.6-2.
3.
3. The environmentally friendly high temperature resistant structure according to claim 1, wherein, The ratio of the sum of the thickness h1 of the first inorganic high-temperature-resistant coating layer (1) and the thickness h2 of the second inorganic high-temperature-resistant coating layer (2) to the sum of the thickness H1 of the first high-temperature-resistant hollow microsphere layer (4) and the thickness H2 of the second high-temperature-resistant hollow microsphere layer (5) is 1:1.8-2.
1.
4. The environmentally friendly high temperature resistant structure of claim 1, wherein, The inorganic high-temperature-resistant coating composite layer further comprises a third inorganic high-temperature-resistant coating layer (3) arranged between the second inorganic high-temperature-resistant coating layer (2) and the first high-temperature-resistant hollow microsphere layer (4), the ratio of the thickness h1 of the first inorganic high-temperature-resistant coating layer (1) to the thickness h3 of the third inorganic high-temperature-resistant coating layer (3) is 1:0.9-1.1, and the inter-particle porosity of the first inorganic high-temperature-resistant coating layer (1) is the same as the inter-particle porosity of the third inorganic high-temperature-resistant coating layer (3).
5. The environmentally friendly high temperature resistant structure according to claim 4, wherein, The ratio of the thickness h1 of the first inorganic high-temperature-resistant coating layer (1) to the thickness h3 of the third inorganic high-temperature-resistant coating layer (3) is 1:0.95-1.
05.
6. The environmentally friendly high temperature resistant structure according to claim 1, wherein, The high-temperature-resistant hollow microsphere composite layer further comprises a third high-temperature-resistant hollow microsphere layer (6) arranged between the glass fiber organic refractory coating (7) and the second high-temperature-resistant hollow microsphere layer (5), and the ratio of the thickness H1 of the first high-temperature-resistant hollow microsphere layer (4) to the thickness H3 of the third high-temperature-resistant hollow microsphere layer (6) is 1:0.95-1.2, and the inter-particle porosity of the first high-temperature-resistant hollow microsphere layer (4) is the same as the inter-particle porosity of the third high-temperature-resistant hollow microsphere layer (6).
7. The environmentally friendly high temperature resistant structure according to claim 6, wherein, The ratio of the thickness H1 of the first high-temperature-resistant hollow microsphere layer (4) to the thickness H3 of the third high-temperature-resistant hollow microsphere layer (6) is 1:1.05-1.
15.
8. The environmentally friendly high temperature resistant structure of claim 1, wherein, The thickness of the glass fiber organic refractory coating (7) is 70-77% of the thickness of the inorganic high-temperature-resistant coating composite layer.