Heat transfer structure of catalytic oxidation reactor

By designing a detachable heat transfer structure in the catalytic oxidation reactor, and using multiple sets of heating plates and mesh structures, the problems of inconvenient fixation of the heat transfer tube and the adhesion of reactants are solved, achieving a more uniform heating and easier maintenance of the reactor.

CN222900710UActive Publication Date: 2025-05-27CHUANGTONG ENVIRONMENT PROTECTION GRP CO LTD
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Patent Information

Application Number
CN202421776195.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-25
Publication Date
2025-05-27
Estimated Expiration
2034-07-25

AI Technical Summary

Technical Problem

The heat transfer pipe of the existing catalytic oxidation reactor is fixed transversely on both sides of the ventilator, which is prone to adhesion of reactants, affects the heating effect and cannot be taken out and cleaned and maintained, resulting in inconvenience and poor durability.

Method used

A catalytic oxidation reactor heat transfer structure is designed, including multiple sets of heating plates between the outer fixed rings at the upper and lower ends. A mesh cover is placed inside the outer fixed ring. The heating plate is enclosed outside the mesh cover. The heat transfer structure is coaxial with the center of the catalytic oxidation reactor, and the heat transfer structure can be separated and connected, making it easy to quickly take out and assemble.

Benefits of technology

The surrounding heating of reactants in the catalytic oxidation reactor is achieved, and the heating is more uniform and reliable, ensuring the stability of the catalytic oxidation reaction, and the heat transfer structure is easy to assemble or disassemble, which is easy to clean and maintain, and improves durability.

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Abstract

The utility model provides a heat transfer structure of a catalytic oxidation reactor, which relates to the technical field of catalytic oxidation reactors and comprises a heat transfer structure, the heat transfer structure is positioned in a reaction cavity formed in the catalytic oxidation reactor, outer fixing rings are arranged at the upper end and the lower end of the heat transfer structure, and a plurality of groups of heating plates are fixed between the two groups of outer fixing rings. A mesh enclosure is sleeved with the outer fixing ring, the multiple sets of heating plates are arranged outside the mesh enclosure in a surrounding mode, the heat transfer structure is detachably connected with the catalytic oxidation reactor, the upper portion and the lower portion of each heating plate are each provided with two sets of through holes, and connecting wires are connected between the through holes aligned in the left-right direction. According to the utility model, reactants in the catalytic oxidation reactor can be conveniently heated in a surrounding manner, the heating from the outer side to the inner side is more uniform and reliable, the stability of the catalytic oxidation reaction is favorably guaranteed, and the heat transfer structure is convenient to assemble or disassemble, can be subjected to self-protection treatment, is convenient to clean and is more durable.
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Description

Technical Field

[0001] The utility model relates to the technical field of catalytic oxidation reactors, and particularly relates to a heat transfer structure of a catalytic oxidation reactor. Background Technique

[0002] The catalytic oxidation reactor is an efficient and practical treatment device for treating high-concentration, high-salt, high-COD wastewater and post-biochemical wastewater. The main functional module of the device is the anode structure, and the anode structure mostly uses titanium metal as the base material, and a precious metal coating is provided on its surface as the catalytic layer.

[0003] In the prior art (publication number CN216726514U), the specification of a regenerative catalytic oxidation reactor mentions that "it includes a main body, a ventilation pipe located at the middle position inside the main body, and multiple fixing plates located inside the main body; both ends of the outside of the main body are provided with fixing rings, and a housing is provided on the outside of the fixing rings; and a heat insulation cotton is provided between the main body and the housing. Preferably, multiple heat exchange pipes are provided on the outside of the ventilation pipe, an air inlet groove is provided at the middle position of the bottom of the housing, and a connecting pipe is provided at the middle position of the bottom of the air inlet groove", but in the prior art, the heat transfer pipes are horizontally fixed on both sides of the ventilation pipe, which is easy for reactants to adhere. In the long run, it will affect its heating effect, and it cannot be taken out for cleaning and maintenance, which is not convenient and durable. Content of the Utility Model

[0004] To overcome the defects existing in the prior art, a heat transfer structure of a catalytic oxidation reactor is provided to solve the problems that in the prior art, the heat transfer pipes are horizontally fixed on both sides of the ventilation pipe, which is easy for reactants to adhere, and in the long run, it will affect its heating effect, and it cannot be taken out for cleaning and maintenance, which is not convenient and durable.

[0005] To achieve the above object, a heat transfer structure of a catalytic oxidation reactor is provided, including a heat transfer structure located in a reaction chamber opened in the catalytic oxidation reactor. Outer fixing rings are provided at both the upper and lower ends of the heat transfer structure, and multiple heating plates are fixed between the two groups of outer fixing rings. A wire mesh cover is sleeved inside the outer fixing ring, and the multiple heating plates are enclosed outside the wire mesh cover. The centers of the catalytic oxidation reactor and the heat transfer structure are on the same axis, and the heat transfer structure is detachably connected to the catalytic oxidation reactor.

[0006] Further, a top cover is provided at the top of the catalytic oxidation reactor, and a feed inlet is provided in the middle of the top cover, and the top cover is a detachable structure.

[0007] Further, a bottom plate is provided at the bottom of the catalytic oxidation reactor, and a discharge pipe orifice is provided at the center of the bottom plate, and a base is provided outside the bottom plate.

[0008] Furthermore, two sets of through holes are provided in both the upper and lower parts of the heating plate, and connecting wires are connected between the through holes that are aligned left and right.

[0009] Furthermore, a heat insulation plate is fixed in the middle of the outer side of the heating plate, and an outer cushion block is fixed at the outer end of the heat insulation plate. The outer cushion block is made of silicone rubber, and the outer side of the outer cushion block just contacts the inner side wall of the catalytic oxidation reactor.

[0010] Furthermore, inner fixing rings are provided at both the upper and lower ends of the wire mesh cover. The inner fixing rings are fixed inside the outer fixing rings, and the wire mesh cover is made of stainless steel mesh.

[0011] The beneficial effects of the present utility model are as follows:

[0012] 1. The top cover at the upper end of the catalytic oxidation reactor in the present utility model is convenient to cover or remove. After removing the top cover, the heat transfer structure can be quickly taken out from the catalytic oxidation reactor, and it is also convenient to place it against the wall, which is more convenient and practical.

[0013] 2. In the heat transfer structure of the present utility model, multiple heating plates are fixed between the upper and lower two sets of outer fixing rings. The multiple heating plates are centrosymmetric about the center of the heat transfer structure, so that each heating plate reaches the center position equally. The heating plates can be used to heat the reactants in the catalytic oxidation reactor from the outside to the inside, and the heating is more uniform and reliable, which helps to ensure the stability of the catalytic oxidation reaction.

[0014] 3. The wire mesh cover in the present utility model is arranged inside the multiple heating plates on the periphery, which plays a role in protecting the heating plates. It can reduce the attachment of reactants to the heating plates, and the outer cushion block and heat insulation plate arranged on the outer side of the heating plate can be closely attached to the inner side wall of the catalytic oxidation reactor, making its assembly safer and more stable. Description of the Drawings

[0015] Figure 1 is a schematic cross-sectional view of the catalytic oxidation reactor according to an embodiment of the present utility model;

[0016] Figure 2 is a schematic cross-sectional view of the heat transfer structure according to an embodiment of the present utility model;

[0017] Figure 3 is a schematic top view of the heat transfer structure according to an embodiment of the present utility model;

[0018] Figure 4 is an effect diagram of the heating plate according to an embodiment of the present utility model.

[0019] In the figure: 1. Catalytic oxidation reactor; 10. Top cover; 11. Reaction chamber; 12. Base; 13. Bottom plate; 14. Discharge pipe orifice; 15. Feed inlet; 2. Heat transfer structure; 20. Outer fixing ring; 21. Heating plate; 22. Through hole; 23. Connecting wire; 24. Outer spacer; 25. Heat insulation plate; 26. Inner fixing ring; 27. Wire mesh cover. Detailed implementation manners

[0020] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. The specific embodiments described herein are only used to explain the present utility model, and are not used to limit the present utility model. Specific details such as specific system structures and technologies are proposed to more thoroughly understand the embodiments of the present utility model. The described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. However, those skilled in the art should clearly understand that the present utility model can also be implemented in other embodiments without these specific details. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present disclosure.

[0021] The following will describe the detailed implementation manners of the present utility model with reference to the accompanying drawings.

[0022] Figure 1 It is a schematic cross-sectional view of the catalytic oxidation reactor according to an embodiment of the present utility model, Figure 2 It is a schematic cross-sectional view of the heat transfer structure according to an embodiment of the present utility model, Figure 3 It is a schematic top view of the heat transfer structure according to an embodiment of the present utility model and Figure 4 It is an effect diagram of the heating plate according to an embodiment of the present utility model.

[0023] Referring to Figures 1 to 4 As shown, the present utility model provides a heat transfer structure of a catalytic oxidation reactor, including a heat transfer structure 2. The heat transfer structure 2 is located in the reaction chamber 11 opened in the catalytic oxidation reactor 1. Outer fixing rings 20 are provided at both the upper and lower ends of the heat transfer structure 2, and multiple groups of heating plates 21 are fixed between the two groups of outer fixing rings 20. A wire mesh cover 27 is sleeved inside the outer fixing ring 20, and multiple groups of heating plates 21 surround the outside of the wire mesh cover 27. The centers of the catalytic oxidation reactor 1 and the heat transfer structure 2 are on the same axis, and the heat transfer structure 2 is detachably connected to the catalytic oxidation reactor 1.

[0024] In this embodiment, a top cover 10 is provided at the top of the catalytic oxidation reactor 1, and a feed inlet 15 is provided in the middle of the top cover 10, and the top cover 10 is a detachable structure; a bottom plate 13 is provided at the bottom of the catalytic oxidation reactor 1, and a discharge pipe orifice 14 is provided at the center of the bottom plate 13, and a base 12 is provided outside the bottom plate 13.

[0025] As a preferred embodiment, the top cover 10 at the upper end of the catalytic oxidation reactor 1 in the present utility model is convenient to be covered or removed. After removing the top cover 10, the heat transfer structure 2 can be quickly taken out from the catalytic oxidation reactor 1, and it is also convenient to place it against the wall, which is more convenient and practical.

[0026] In this embodiment, two groups of through holes 22 are provided in both the upper and lower parts of the heating plate 21, and connecting wires 23 are connected between the through holes 22 that are aligned left and right; a heat insulation plate 25 is fixed in the middle of the outer side surface of the heating plate 21, and an outer cushion block 24 is fixed at the outer end of the heat insulation plate 25. The outer cushion block 24 is made of silicone rubber, and the outer side surface of the outer cushion block 24 just contacts the inner side wall of the catalytic oxidation reactor 1.

[0027] As a preferred embodiment, multiple heating plates 21 are fixed between the upper and lower groups of outer fixing rings 20 in the heat transfer structure 2 of the present utility model. The multiple heating plates 21 are centrosymmetric about the center of the heat transfer structure 2, so that each heating plate 21 reaches the center position in the same way. The heating plates 21 can be used to heat the reactants in the catalytic oxidation reactor 1 from the outside to the inside, and the heating is more uniform and reliable, which helps to ensure the stability of the catalytic oxidation reaction.

[0028] In this embodiment, inner fixing rings 26 are provided at both the upper and lower ends of the wire mesh cover 27. The inner fixing rings 26 are fixed inside the outer fixing rings 20, and the wire mesh cover 27 is made of stainless steel mesh.

[0029] As a preferred embodiment, the wire mesh cover 27 in the present utility model is arranged inside the multiple heating plates 21 on the periphery, which has the effect of protecting the heating plates 21. It can reduce the attachment of reactants to the heating plates 21, and the outer cushion blocks 24 and the heat insulation plates 25 arranged on the outer side surface of the heating plates 21 can closely lean against the inner side wall of the catalytic oxidation reactor 1, making its assembly safer and more stable.

[0030] The present utility model can effectively solve the problems in the prior art that the heat transfer tubes are horizontally fixed on both sides of the ventilation pipe, which is easy for reactants to attach. In the long run, it will affect its heating effect, and it cannot be taken out for cleaning and maintenance, which is not convenient and durable. The present utility model is convenient for circumferentially heating the reactants in the catalytic oxidation reactor, and the heating from the outside to the inside is more uniform and reliable, which helps to ensure the stability of the catalytic oxidation reaction. Moreover, the heat transfer structure is convenient for assembly or disassembly, and can also be self-protected. It is not only convenient for cleaning, but also more durable.

[0031] The above embodiments are used to explain and illustrate the present utility model, rather than to limit the utility model. Any modifications and changes made to the present utility model within the spirit of the present utility model and the scope of the claimed rights should be included in the protection scope of the present utility model.

Claims

1. A heat transfer structure for a catalytic oxidation reactor, characterized in that: The invention comprises a heat transfer structure (2), wherein the heat transfer structure (2) is located in a reaction chamber (11) provided in a catalytic oxidation reactor (1), wherein both upper and lower ends of the heat transfer structure (2) are provided with outer fixing rings (20), and a plurality of heating plates (21) are fixed between two groups of outer fixing rings (20), a mesh cover (27) is sleeved inside the outer fixing ring (20), and the plurality of heating plates (21) are surrounded outside the mesh cover (27), the centers of the catalytic oxidation reactor (1) and the heat transfer structure (2) are located on the same axis, and the heat transfer structure (2) and the catalytic oxidation reactor (1) are connected separately.

2. A catalytic oxidation reactor heat transfer structure according to claim 1, characterized in that: A top cover (10) is arranged on the top of the catalytic oxidation reactor (1), a feed inlet (15) is arranged in the middle of the top cover (10), and the top cover (10) is a detachable structure.

3. A catalytic oxidation reactor heat transfer structure according to claim 1, characterized in that: The bottom of the catalytic oxidation reactor (1) is provided with a bottom plate (13), a discharge pipe opening (14) is provided at the center of the bottom plate (13), and a base (12) is provided on the outer side of the bottom plate (13).

4. A catalytic oxidation reactor heat transfer structure according to claim 1, characterized in that: The upper and lower parts of the heating plate (21) are each provided with two groups of through holes (22), and a connecting wire (23) is connected between the through holes (22) aligned on the left and right.

5. A catalytic oxidation reactor heat transfer structure according to claim 1, characterized in that: A heat insulating plate (25) is fixed to the middle of the outer side surface of the heating plate (21), and an outer pad (24) is fixed to the outer end of the heat insulating plate (25). The outer pad (24) is made of silicone rubber, and the outer side surface of the outer pad (24) is in contact with the inner wall of the catalytic oxidation reactor (1).

6. A catalytic oxidation reactor heat transfer structure according to claim 1, characterized in that: The upper and lower ends of the mesh cover (27) are both provided with inner fixing rings (26), the inner fixing ring (26) is fixed inside the outer fixing ring (20), and the mesh cover (27) is made of a stainless steel mesh.