Ceramic pressing plate for sulfuric acid converter catalyst

Abstract

The utility model relates to the technical field of ceramic pressing plates, and provides a ceramic pressing plate for a sulfuric acid converter catalyst, which comprises a ceramic pressing plate body, and the ceramic pressing plate body consists of a high-temperature-resistant layer, a wear-resistant layer, a reinforcing layer, a corrosion-resistant layer, a supporting layer, a reinforcing layer, a waterproof layer and an acid-resistant layer. According to the ceramic pressing plate, after the ceramic pressing plate body is installed, the acid-resistant layer in the ceramic pressing plate body is made of silicon carbide composite materials, so that the ceramic pressing plate has extremely high high-temperature resistance and corrosion resistance, is suitable for extreme environments and prevents the ceramic pressing plate body from being damaged by concentrated sulfuric acid of a sulfuric acid converter catalyst, and the high-temperature-resistant layer is made of titanium alloy. The ceramic pressing plate has the advantages of being good in high temperature resistance, excellent in corrosion resistance and light in weight, the metal material is coated on the surface of the ceramic pressing plate through the technologies of electroplating, thermal spraying and the like, the abrasion resistance and the corrosion resistance can be improved, therefore, the better acid resistance and corrosion resistance functions are achieved, and the comprehensive function of the ceramic pressing plate is improved.

Description

Technical Field

[0001] This utility model relates to the field of ceramic pressure plate technology, and in particular to a ceramic pressure plate for a sulfuric acid converter catalyst. Background Technology

[0002] In sulfuric acid converters, ceramic plates are an important internal component used to support and fix the catalyst bed. These plates are usually made of ceramic materials to ensure long-term stable operation in high-temperature and corrosive environments.

[0003] Although current technology has many advantages, its disadvantages lie in the fact that traditional ceramic pressing plates do not have better acid resistance and corrosion resistance. This leads to poor quality of the ceramic pressing plates after long-term use, reducing their overall function. Furthermore, the ceramic pressing plates cannot better support the catalyst bed, thus reducing their practicality. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing ceramic pressure plates, which lack adequate acid and corrosion resistance, leading to poor quality and reduced overall functionality after prolonged use. Furthermore, these ceramic pressure plates cannot adequately support the catalyst bed, thus diminishing their practicality.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a ceramic pressure plate for a sulfuric acid converter catalyst: comprising a ceramic pressure plate body, the ceramic pressure plate body being composed of a high-temperature resistant layer, a wear-resistant layer, a reinforcing layer, a corrosion-resistant layer, a support layer, a strengthening layer, a waterproof layer, and an acid-resistant layer, wherein the inner wall of the acid-resistant layer is provided with a high-temperature resistant layer, the inner wall of the high-temperature resistant layer is provided with a wear-resistant layer, the inner wall of the wear-resistant layer is provided with a reinforcing layer, the inner wall of the reinforcing layer is provided with a corrosion-resistant layer, the inner wall of the corrosion-resistant layer is provided with a support layer, the inner wall of the support layer is provided with a strengthening layer, and the inner wall of the strengthening layer is provided with a waterproof layer.

[0006] In a preferred embodiment, the bottom of the ceramic pressure plate body is fixedly connected with multiple inclined blocks in a circumferential shape.

[0007] The technical effect of adopting the above-mentioned further solution is that the triangular grooves inside the multiple inclined blocks provide support for the ceramic pressure plate body, and the triangles have stability.

[0008] In a preferred embodiment, the interior of the plurality of inclined blocks is provided with triangular grooves.

[0009] The technical advantage of adopting the above-mentioned further solution is that the triangular groove facilitates support.

[0010] In a preferred embodiment, the triangular groove is in the shape of a triangular support.

[0011] The technical effect of adopting the above-mentioned further solution is that the triangular groove has stability due to its triangular support shape.

[0012] In a preferred embodiment, a connecting plate is fixedly connected to the bottom of the plurality of inclined blocks.

[0013] The technical advantage of adopting the above-mentioned further solution is that the connecting plate is easy to install.

[0014] In a preferred embodiment, the inner wall of the connecting plate is provided with a plurality of threaded holes, and the interior of the connecting plate is provided with a circular groove.

[0015] The technical effect of adopting the above-mentioned further solution is that the connecting plate is installed on the inner wall of the converter as a whole through multiple threaded holes and bolts.

[0016] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0017] 1. In this utility model, after the ceramic pressure plate body is installed, the acid-resistant layer inside the ceramic pressure plate body is composed of silicon carbide composite material, which has extremely high temperature resistance and corrosion resistance, suitable for extreme environments, and prevents the ceramic pressure plate body from being damaged by concentrated sulfuric acid in the sulfuric acid converter catalyst. The high-temperature resistant layer is composed of titanium alloy, which has good high-temperature resistance, excellent corrosion resistance, and lightweight properties. The wear-resistant layer inside the ceramic pressure plate body is a metal coating, which is applied to the surface of the ceramic pressure plate using electroplating, thermal spraying, and other technologies, improving wear resistance and corrosion resistance while maintaining a certain degree of toughness. The reinforcing layer in the ceramic pressure plate body is composed of carbon fiber reinforced ceramic matrix composite material. Carbon fiber has excellent mechanical properties and high-temperature resistance, which can significantly improve the strength and toughness of the ceramic. Adding carbon fiber to the ceramic matrix can create a composite material with high toughness and good wear resistance. The ceramic pressing plate features a corrosion-resistant layer composed of graphene reinforcement. Graphene possesses extremely high strength, conductivity, and corrosion resistance. By adding graphene to the ceramic matrix, the corrosion resistance and mechanical properties of the ceramic pressing plate are significantly improved. The support layer is made of zirconia particle-reinforced ceramic matrix composite material. Nanoscale alumina or zirconia particles increase the hardness and wear resistance of the ceramic matrix. The reinforcing layer is composed of silicon nitride, which has high hardness, excellent wear resistance, and thermal shock resistance, while also exhibiting good corrosion resistance, making it suitable for high-temperature and corrosive environments. The waterproof layer is composed of a polyurethane coating. The polyurethane coating has good elasticity and adhesion, enabling it to form a continuous and flexible waterproof membrane on various substrates, thereby achieving better acid and corrosion resistance and improving the overall functionality of the ceramic pressing plate.

[0018] 2. In this utility model, during installation, the connecting plate is installed on the inner wall of the converter through multiple threaded holes and bolts. The triangular grooves inside the multiple inclined blocks provide support for the ceramic pressure plate body. The triangles have stability, thereby enabling the ceramic pressure plate to better support the catalyst bed and improving the practicality of the ceramic pressure plate. Attached Figure Description

[0019] Figure 1 A schematic diagram of the main structure of a ceramic pressure plate for a sulfuric acid converter catalyst provided by this utility model;

[0020] Figure 2 A bottom view of the ceramic pressure plate for a sulfuric acid converter catalyst provided by this utility model;

[0021] Figure 3 A schematic diagram of the internal structure of a ceramic pressure plate for a sulfuric acid converter catalyst provided by this utility model;

[0022] Figure 4 A cross-sectional structural diagram of a ceramic pressure plate for a sulfuric acid converter catalyst provided by this utility model.

[0023] Legend:

[0024] 1. Ceramic pressure plate body; 101. High temperature resistant layer; 102. Wear resistant layer; 103. Reinforcing layer; 104. Corrosion resistant layer; 105. Support layer; 106. Strengthening layer; 107. Waterproof layer; 108. Acid resistant layer; 2. Threaded hole; 201. Wedge block; 202. Triangular groove; 203. Connecting plate; 204. Circular groove. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Example 1, please refer to Figures 1-4This utility model provides a technical solution: a ceramic pressure plate for a sulfuric acid converter catalyst, comprising: a ceramic pressure plate body 1, the ceramic pressure plate body 1 being composed of a high-temperature resistant layer 101, a wear-resistant layer 102, a reinforcing layer 103, a corrosion-resistant layer 104, a support layer 105, a strengthening layer 106, a waterproof layer 107, and an acid-resistant layer 108. The inner wall of the acid-resistant layer 108 is provided with the high-temperature resistant layer 101, the inner wall of the high-temperature resistant layer 101 is provided with the wear-resistant layer 102, the inner wall of the wear-resistant layer 102 is provided with the reinforcing layer 103, the inner wall of the reinforcing layer 103 is provided with the corrosion-resistant layer 104, the inner wall of the corrosion-resistant layer 104 is provided with the support layer 105, the inner wall of the support layer 105 is provided with the strengthening layer 106, and the inner wall of the strengthening layer 106 is provided with the waterproof layer 107.

[0027] In this embodiment, after the ceramic pressure plate body 1 is installed, the acid-resistant layer 108 inside the ceramic pressure plate body 1 is composed of silicon carbide composite material, which has extremely high temperature resistance and corrosion resistance, making it suitable for extreme environments and preventing the concentrated sulfuric acid in the sulfuric acid converter catalyst from damaging the ceramic pressure plate body 1. The high-temperature resistant layer 101 is composed of titanium alloy, which has good high-temperature resistance, excellent corrosion resistance, and lightweight properties. The wear-resistant layer 102 inside the ceramic pressure plate body 1 is a metal coating, which is applied to the surface of the ceramic pressure plate using electroplating, thermal spraying, and other technologies, improving wear resistance and corrosion resistance while maintaining a certain degree of toughness. The reinforcing layer 103 in the ceramic pressure plate body 1 is composed of carbon fiber reinforced ceramic matrix composite material. Carbon fiber has excellent mechanical properties and high-temperature resistance, which can significantly improve the strength and toughness of the ceramic. Adding carbon fiber to the ceramic matrix can create a composite material with high toughness and good wear resistance. The ceramic pressure plate has a corrosion-resistant layer 104 in its body 1 composed of graphene-reinforced material. Graphene has extremely high strength, conductivity, and corrosion resistance. By adding graphene to the ceramic matrix, the corrosion resistance and mechanical properties of the ceramic pressure plate can be significantly improved. The support layer 105 in the ceramic pressure plate body 1 is composed of zirconium oxide particle-reinforced ceramic matrix composite material. Nano-sized alumina or zirconium oxide particles can increase the hardness and wear resistance of the ceramic matrix. The reinforcing layer 106 in the ceramic pressure plate body 1 is composed of silicon nitride, which has high hardness, excellent wear resistance and thermal shock resistance, and good corrosion resistance, making it suitable for high-temperature and corrosive environments. The waterproof layer 107 in the ceramic pressure plate body 1 is composed of polyurethane coating. The polyurethane coating has good elasticity and adhesion, and can form a continuous and flexible waterproof membrane on various substrates, thereby achieving better acid resistance and corrosion resistance, and improving the overall function of the ceramic pressure plate.

[0028] Example 2, as Figures 1-4As shown, the bottom of the ceramic pressure plate body 1 is circumferentially fixedly connected with multiple inclined blocks 201. Triangular grooves 202 are opened inside the multiple inclined blocks 201. The triangular grooves 202 are triangular support. A connecting plate 203 is fixedly connected to the bottom of the multiple inclined blocks 201. Multiple threaded holes 2 are opened on the inner wall of the connecting plate 203. A circular groove 204 is opened inside the connecting plate 203.

[0029] In this embodiment, during installation, the connecting plate 203 is installed on the inner wall of the converter through multiple threaded holes 2 and bolts. The triangular grooves 202 inside the multiple inclined blocks 201 provide support for the ceramic pressure plate body 1. The triangle has stability, so the ceramic pressure plate can better support the catalyst bed and improve the practicality of the ceramic pressure plate.

[0030] Working Principle: After the ceramic pressure plate body 1 is installed, the acid-resistant layer 108 inside the ceramic pressure plate body 1 is composed of silicon carbide composite material, which has extremely high temperature resistance and corrosion resistance, suitable for extreme environments, and prevents the concentrated sulfuric acid of the sulfuric acid converter catalyst from damaging the ceramic pressure plate body 1. The high temperature resistant layer 101 is composed of titanium alloy, which has good high temperature resistance, excellent corrosion resistance and lightweight properties. The wear-resistant layer 102 inside the ceramic pressure plate body 1 is a metal coating, which is applied to the surface of the ceramic pressure plate through electroplating, thermal spraying and other technologies, which can improve wear resistance and corrosion resistance while maintaining a certain degree of toughness. The reinforcing layer 103 in the ceramic pressure plate body 1 is composed of carbon fiber reinforced ceramic matrix composite material. Carbon fiber has excellent mechanical properties and high temperature resistance, which can significantly improve the strength and toughness of ceramics. Adding carbon fiber to the ceramic matrix can produce a composite ceramic pressure plate with high toughness and good wear resistance. The corrosion-resistant layer 104 in the ceramic pressure plate body 1 is composed of graphene reinforced material. Graphene has extremely high strength, conductivity and corrosion resistance. Adding graphene to the ceramic matrix can significantly improve the corrosion resistance and mechanical properties of the ceramic plate. The support layer 105 in the ceramic plate body 1 is made of zirconia particle-reinforced ceramic matrix composite material. Nano-sized alumina or zirconia particles can increase the hardness and wear resistance of the ceramic matrix. The reinforcing layer 106 in the ceramic plate body 1 is composed of silicon nitride, which has high hardness, excellent wear resistance and thermal shock resistance, and good corrosion resistance, making it suitable for high-temperature and corrosive environments. The waterproof layer 107 in the ceramic plate body 1 is composed of polyurethane coating. The polyurethane coating has good elasticity and adhesion, and can form a continuous and flexible waterproof membrane on various substrates, thereby achieving better acid resistance and corrosion resistance, improving the overall function of the ceramic plate. During installation, the connecting plate 203 is installed as a whole on the inner wall of the converter through multiple threaded holes 2 and bolts. The triangular grooves 202 inside the multiple inclined blocks 201 provide support for the ceramic plate body 1. The triangles have stability, thereby enabling the ceramic plate to better support the catalyst bed and improving the practicality of the ceramic plate.

[0031] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A ceramic pressure plate for a sulfuric acid converter catalyst, comprising a ceramic pressure plate body (1), characterized in that: The ceramic pressure plate body (1) is composed of a high-temperature resistant layer (101), a wear-resistant layer (102), a reinforcing layer (103), a corrosion-resistant layer (104), a support layer (105), a strengthening layer (106), a waterproof layer (107), and an acid-resistant layer (108). The inner wall of the acid-resistant layer (108) is provided with a high-temperature resistant layer (101), the inner wall of the high-temperature resistant layer (101) is provided with a wear-resistant layer (102), the inner wall of the wear-resistant layer (102) is provided with a reinforcing layer (103), the inner wall of the reinforcing layer (103) is provided with a corrosion-resistant layer (104), the inner wall of the corrosion-resistant layer (104) is provided with a support layer (105), the inner wall of the support layer (105) is provided with a strengthening layer (106), and the inner wall of the strengthening layer (106) is provided with a waterproof layer (107).

2. The ceramic pressure plate for a sulfuric acid converter catalyst according to claim 1, characterized in that: The bottom of the ceramic pressure plate body (1) is fixedly connected with multiple inclined blocks (201) in a circumferential shape.

3. The ceramic pressure plate for a sulfuric acid converter catalyst according to claim 2, characterized in that: Triangular grooves (202) are formed inside the multiple inclined blocks (201).

4. A ceramic pressure plate for a sulfuric acid converter catalyst according to claim 3, characterized in that: The triangular groove (202) is in the shape of a triangular support.

5. A ceramic pressure plate for a sulfuric acid converter catalyst according to claim 2, characterized in that: The bottom of the plurality of inclined blocks (201) is fixedly connected to a connecting plate (203).

6. A ceramic pressure plate for a sulfuric acid converter catalyst according to claim 5, characterized in that: The inner wall of the connecting plate (203) is provided with a plurality of threaded holes (2), and the interior of the connecting plate (203) is provided with a circular groove (204).

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