High-strength low-resistance Raschig ring

Abstract

The utility model relates to the technical field of Raschig rings, in particular to a high-strength low-resistance Raschig ring. The high-strength low-resistance Raschig ring comprises a Raschig ring body and a reinforcing ring, high-strength coating is sprayed on the outer side wall and the inner side wall of the Raschig ring body, adhesive is sprayed on the surface of the high-strength coating sprayed on the inner side wall of the Raschig ring body, and low-resistance coating is sprayed on the surface of the adhesive. The transverse compressive strength of the Raschig ring can be improved through the reinforcing rings, the longitudinal compressive strength of the Raschig ring can be improved through the reinforcing ribs, meanwhile, the high-performance powder coating has the advantages of being high in coating compactness, low in void ratio, high in coating strength and good in water resistance and chemical resistance, and therefore the strength of the Raschig ring can be further improved; the Teflon coating has the advantages of heat resistance, chemical inertness, excellent insulation stability and low friction, so that the flowing resistance of liquid on the inner wall of the Raschig ring can be effectively reduced, and the Raschig ring has the characteristic of low resistance.

Description

Technical Field

[0001] The utility model relates to the technical field of Raschig rings, in particular to a high-strength and low-resistance Raschig ring. Background Art

[0002] Metal Raschig rings are the earliest developed random packings with a simple shape, i.e. a circular ring with the same height as its diameter. Large-sized Raschig rings (over 100 mm) are generally filled in a regular manner by means of whole masonry, while those under 100 mm are mostly filled in a random manner. They have excellent acid and heat resistance and can withstand corrosion from various inorganic acids, organic acids and organic solvents except hydrofluoric acid. They can be used in various high-temperature occasions and have a wide range of applications. They can be used in drying towers, absorption towers, cooling towers, washing towers, regeneration towers, etc. in the chemical, metallurgical, coal gas, environmental protection and other industries. However, metal Raschig rings have problems such as low ring strength and large liquid flow resistance on the inner wall of the ring. In view of the above situation, technical innovation is carried out on the basis of the existing Raschig rings. Utility Model Content

[0003] The utility model aims to provide a high-strength and low-resistance Raschig ring to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above purpose, the utility model provides the following technical solution: a high-strength low-resistance Raschig ring, comprising:

[0005] Raschig ring, the outer wall and the inner wall of the Raschig ring are sprayed with high-strength coating, wherein:

[0006] The surface of the high-strength coating sprayed on the inner wall of the Raschig ring is sprayed with an adhesive, and the surface of the adhesive is sprayed with a low-resistance coating;

[0007] The reinforcement rings are evenly provided with reinforcement ribs between every two groups of the reinforcement rings.

[0008] Preferably, the surface of the Raschig ring is evenly provided with annular grooves and vertical stripe grooves, and the vertical stripe grooves are evenly provided between the two groups of annular grooves.

[0009] Preferably, the reinforcement ring is arranged in the annular groove, and the reinforcement rib is arranged in the vertical bar groove.

[0010] Preferably, the outer surface of the reinforcement ring is flush with the outer surface of the Raschig ring, and the outer surface of the reinforcement rib is flush with the outer surface of the Raschig ring.

[0011] Preferably, the outer surface of the reinforcement ring is sprayed with high-strength paint, and the outer surface of the reinforcement rib is sprayed with high-strength paint.

[0012] Preferably, the high-strength coating is a high-performance powder coating, and the low-resistance coating is a Teflon coating.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] The utility model can improve the transverse compressive strength of the Raschig ring by the reinforcing ring, and can improve the longitudinal compressive strength of the Raschig ring by the reinforcing ribs. At the same time, the high-performance powder coating has the characteristics of high coating density, low void ratio, high coating strength, good water resistance and chemical resistance, so that the strength of the Raschig ring can be further improved.

[0015] Teflon coating has the advantages of heat resistance, chemical inertness, excellent insulation stability and low friction, which can effectively reduce the liquid flow resistance on the inner wall of the Raschig ring, making the Raschig ring have low resistance characteristics. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the high-strength and low-resistance Raschig ring of the utility model;

[0017] Figure 2 This is a top cross-sectional view of the high-strength and low-resistance Raschig ring of the utility model;

[0018] Figure 3 It is a front cross-sectional view of the high-strength and low-resistance Raschig ring of the utility model.

[0019] In the figure: 1. Raschig ring; 11. Reinforcement ring; 12. Reinforcement rib; 2. High-strength coating; 21. Adhesive; 22. Low-resistance coating. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-Figure 3The high-strength and low-resistance Raschig ring comprises a Raschig ring 1 and a reinforcement ring 11. The outer wall and the inner wall of the Raschig ring 1 are sprayed with a high-strength coating 2. The surface of the high-strength coating 2 sprayed on the inner wall of the Raschig ring 1 is sprayed with an adhesive 21. The surface of the adhesive 21 is sprayed with a low-resistance coating 22. The adhesive 21 can make the low-resistance coating 22 stably adhere to the high-strength coating 2. Reinforcement ribs 12 are evenly and fixedly arranged between every two groups of reinforcement rings 11. Annular grooves and vertical strip grooves are evenly opened on the surface of the Raschig ring 1. The vertical strip grooves are evenly opened between the two groups of annular grooves. The reinforcement ring 11 is fixedly arranged in the annular groove. The reinforcement ribs 12 are fixedly arranged in the vertical strip grooves. The lateral compressive strength of the Raschig ring 1 can be improved by the reinforcement ring 11. The reinforcement ribs 12 The longitudinal compressive strength of the Raschig ring 1 can be improved, the outer surface of the reinforcement ring 11 is flush with the outer surface of the Raschig ring 1, the outer surface of the reinforcement rib 12 is flush with the outer surface of the Raschig ring 1, the outer surface of the reinforcement ring 11 is sprayed with a high-strength coating 2, the outer surface of the reinforcement rib 12 is sprayed with a high-strength coating 2, the high-strength coating 2 is a high-performance powder coating, and the low-resistance coating 22 is a Teflon coating. The high-performance powder coating has the characteristics of high coating density, low porosity, high coating strength, good water resistance and chemical resistance, thereby further improving the strength of the Raschig ring 1, and the Teflon coating has the advantages of heat resistance, chemical inertness, excellent insulation stability and low friction, thereby effectively reducing the liquid flow resistance of the inner wall of the Raschig ring 1, so that the Raschig ring 1 has low resistance characteristics.

[0022] Working principle: The transverse compressive strength of the Raschig ring 1 can be improved by the reinforcing ring 11, and the longitudinal compressive strength of the Raschig ring 1 can be improved by the reinforcing rib 12. The high-performance powder coating has the characteristics of high coating density, low porosity, high coating strength, good water resistance and chemical resistance, which can further improve the strength of the Raschig ring 1. The Teflon coating has the advantages of heat resistance, chemical inertness, excellent insulation stability and low friction, which can effectively reduce the liquid flow resistance on the inner wall of the Raschig ring 1, so that the Raschig ring 1 has low resistance characteristics.

Claims

1. High strength and low resistance Raschig ring, characterized by: include: A Raschig ring (1), wherein the outer wall and the inner wall of the Raschig ring (1) are sprayed with a high-strength coating (2), wherein: The surface of the high-strength coating (2) sprayed on the inner wall of the Raschig ring (1) is sprayed with an adhesive (21), and the surface of the adhesive (21) is sprayed with a low-resistance coating (22); The reinforcement rings (11) are evenly provided with reinforcement ribs (12) between every two groups of the reinforcement rings (11).

2. The high-strength and low-resistance Raschig ring according to claim 1, characterized in that: The surface of the Raschig ring (1) is evenly provided with annular grooves and vertical stripe-shaped grooves, and the vertical stripe-shaped grooves are evenly provided between the two groups of annular grooves.

3. The high-strength and low-resistance Raschig ring according to claim 2, characterized in that: The reinforcement ring (11) is arranged in the annular groove, and the reinforcement rib (12) is arranged in the vertical stripe groove.

4. The high-strength and low-resistance Raschig ring according to claim 3, characterized in that: The outer surface of the reinforcement ring (11) is flush with the outer surface of the Raschig ring (1), and the outer surface of the reinforcement rib (12) is flush with the outer surface of the Raschig ring (1).

5. The high-strength and low-resistance Raschig ring according to claim 1, characterized in that: The outer surface of the reinforcement ring (11) is sprayed with a high-strength coating (2), and the outer surface of the reinforcement rib (12) is sprayed with a high-strength coating (2).

6. The high-strength and low-resistance Raschig ring according to claim 1, characterized in that: The high-strength coating (2) is a high-performance powder coating, and the low-resistance coating (22) is a Teflon coating.

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