A high temperature catalytic furnace grate structure
By designing fixed connection and triangular support structures in the high-temperature catalytic furnace strip structure, combined with the design of heat insulation, corrosion and scratch-proof layers, the problem of furnace strip bending deformation due to high-temperature is solved, the stability and service life are improved, and the tolerance to high-temperature environment is enhanced.
Patent Information
- Application Number
- CN202422014645.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-20
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-08-20
AI Technical Summary
Because the high-temperature catalytic furnace strip is in a high temperature state for a long time, it is prone to bend, deformed or collapsed, affecting the operation of the catalyst furnace.
A high-temperature catalytic furnace strip structure is designed. By setting a fixed connection between the main body and the outer tube of the furnace strip, the support column, support rod and support block form a triangular structure, improving the stability of the outer tube of the furnace strip, and adding heat insulation, corrosion and scratch-proof layers to the outside.
It improves the stability and service life of the furnace strip structure, increases tolerance to high temperature environment, ensures the normal operation of the catalyst furnace, and saves energy.
Smart Images

Figure CN222718657U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of high-temperature catalytic furnaces, in particular to a grate bar structure of a high-temperature catalytic furnace. Background Art
[0002] A high-temperature catalytic furnace is a device that uses a high-temperature catalyst to change the activation energy of reactants and the chemical reaction rate of reactants. The quantity and quality of the catalyst do not change before and after the reaction. The grate bar is an important component commonly used in stoves. The grate bar includes a plate part, the top surface of which receives the incineration material, and it extends to the front and rear ends to form a rotation extension used as a support point for the grate bar.
[0003] During high-temperature catalysis, since the temperature inside the catalytic furnace is too high, the grate bars are in a high-temperature state for a long time, and there is a load on the top, the grate bars may bend and deform until they collapse, affecting the operation of the catalytic furnace. Therefore, it is particularly important to improve the existing high-temperature catalytic furnace grate bar structure and design a new high-temperature catalytic furnace grate bar structure to solve the above-mentioned technical defects and improve the practicality of the overall high-temperature catalytic furnace grate bar structure. Utility Model Content
[0004] The purpose of the utility model is to provide a high-temperature catalytic furnace grate bar structure, which can increase the stability of the grate bar structure, extend its service life, and enable the fuel inside the catalytic furnace to burn fully, saving energy. At the same time, it adds a heat insulation layer, an anti-corrosion layer and an anti-scratch layer, thereby improving the overall safety of the high-temperature catalytic furnace grate bar structure, so as to solve the problems raised in the above-mentioned background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A high-temperature catalytic furnace grate bar structure comprises a main body, wherein a plurality of groups of equally spaced fixed blocks are fixedly connected inside the main body, a slot is provided on one side of the main body and between each two groups of fixed blocks, a grate bar outer tube is provided inside the slot, a support frame is provided inside the grate bar outer tube, a plurality of groups of equally spaced support blocks are provided inside the support frame, two groups of opposite support rods are fixedly connected at both ends of the support block and inside the support frame, and a support column is provided inside the support block and between the two groups of support rods located on the same side.
[0007] As a preferred solution of the utility model, both ends of the grate bar outer tube are fixedly connected with clamping blocks, the clamping slots and clamping blocks are adaptively designed, the support columns, support rods and support blocks form multiple triangular structures inside the support frame, and the materials of the main body and the grate bar outer tube are both HT250.
[0008] As a preferred solution of the utility model, a placement groove is provided on the top of the main body, and a drain groove is provided on the top of the clamping slot.
[0009] As a preferred solution of the utility model, a ventilation pipe is provided inside the grate bar outer tube, and a plurality of groups of air outlets distributed at equal intervals are opened on the top of the grate bar outer tube, and the air outlets are connected to the ventilation pipe through a connecting pipe.
[0010] As a preferred solution of the utility model, the outer sides of the main body and the grate bar outer tube are both provided with a heat insulation layer, and the material of the heat insulation layer is polyurethane.
[0011] As a preferred solution of the utility model, an anti-corrosion layer is provided on the outer side of the heat insulation layer, and the material of the anti-corrosion layer is VPR vinyl polyester.
[0012] As a preferred solution of the utility model, an anti-scratch layer is provided on the outer side of the anti-corrosion layer, and the anti-scratch layer is made of aluminum alloy material.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] 1. In the utility model, through the design of the main body, the fixing block, the slot, the placement slot, the grate bar outer tube, the block, the support frame, the support rod, the support block and the support column, when the structure is put into use, the main body and the grate bar outer tube are fixedly connected through the slot and the block, and the support column, the support rod and the support block form a plurality of triangular structures inside the support frame, which improves the stability of the grate bar outer tube, prolongs its service life, makes it bear more weight and is not easy to break. The material of the main body and the grate bar outer tube is HT250, which has good strength, wear resistance and heat resistance, good vibration reduction, excellent casting performance, small thermal deformation, and is suitable for high temperature occasions.
[0015] 2. In the utility model, through the design of the main body, the placement groove, the grate bar outer tube, the air outlet, the ventilation pipe and the connecting pipe, when the structure is put into use, the end of the ventilation pipe away from the grate bar outer tube is connected to the fan, and the wind blown by the fan enters the connecting pipe from the ventilation pipe and is blown out from the air outlet, thereby increasing the contact area between the fuel and the air inside the catalytic furnace, making it fully burned and saving energy.
[0016] 3. In the utility model, through the design of the main body, the outer tube of the grate bar, the heat insulation layer, the anti-corrosion layer and the anti-scratch layer, the material of the heat insulation layer is polyurethane, which has good flexibility, strong adaptability to the expansion or cracking of the base layer, high tensile strength, good weather resistance, no flowing at high temperature, no cracking at low temperature, excellent anti-aging performance, etc., so that the heat resistance of the main body and the outer tube of the grate bar is better and their service life is extended. The material of the anti-corrosion layer is VPR vinyl polyester, which contains a special structure of unsaturated double bonds and has good corrosion resistance, so that it will no longer have oxidation, nodules, looseness and peeling, etc., which greatly improves the practicality and reduces the cost of users. The anti-scratch layer is made of aluminum alloy material, which has the advantages of light weight, corrosion resistance, good thermal conductivity, etc., is suitable for high temperature environment, and can effectively protect the main body and the outer tube of the grate bar so that it will not be easily damaged. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the main structure of the utility model;
[0019] Figure 3 This is a schematic diagram of the structure of the outer tube of the grate bar of the utility model;
[0020] Figure 4 It is a schematic diagram of the side section structure of the outer tube of the grate bar of the utility model.
[0021] In the figure: 1. main body; 11. fixing block; 12. slot; 13. drain slot; 14. placement slot; 2. grate bar outer tube; 21. block; 22. air outlet; 23. ventilation pipe; 24. connecting pipe; 3. support frame; 31. support rod; 32. support block; 33. support column; 4. thermal insulation layer; 5. anti-corrosion layer; 6. anti-scratch layer. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0023] Example:
[0024] See also Figure 1-Figure 4 , the utility model provides a technical solution:
[0025] A high-temperature catalytic furnace grate structure, comprising a main body 1, wherein a plurality of groups of equally spaced fixed blocks 11 are fixedly connected inside the main body 1, a card slot 12 is provided on one side of the main body 1 and between each two groups of fixed blocks 11, a grate outer tube 2 is provided inside the card slot 12, a support frame 3 is provided inside the grate outer tube 2, a plurality of groups of equally spaced support blocks 32 are provided inside the support frame 3, two groups of opposite support rods 31 are fixedly connected at both ends of the support block 32 and located inside the support frame 3, a support column 33 is provided inside the support block 32 and between the two groups of support rods 31 on the same side, a card block 21 is fixedly connected at both ends of the grate outer tube 2, the card slot 1 2 and the block 21 are designed to be compatible, the support column 33, the support rod 31 and the support block 32 form a plurality of triangular structures inside the support frame 3, the materials of the main body 1 and the grate bar outer tube 2 are both HT250, which has good strength, wear resistance and heat resistance, good vibration reduction, excellent casting performance, small thermal deformation, and is suitable for high temperature occasions. The main body 1 and the grate bar outer tube 2 are fixedly connected by the slot 12 and the block 21, and the support column 33, the support rod 31 and the support block 32 form a plurality of triangular structures inside the support frame 3, which improves the stability of the grate bar outer tube 2, makes it bear more weight and is not easy to break, and prolongs its service life.
[0026] Furthermore, a placement slot 14 is provided at the top of the main body 1 , and a drain slot 13 is provided at the top of the clamping slot 12 . The ashes after burning enter the drain slot 13 from the placement slot 14 and are then discharged.
[0027] Among them, a ventilation pipe 23 is provided inside the grate bar outer tube 2, and a plurality of groups of air outlets 22 with equal intervals are opened on the top of the grate bar outer tube 2. The air outlets 22 are connected to the ventilation pipe 23 through connecting pipes 24. When the structure is put into use, the end of the ventilation pipe 23 away from the grate bar outer tube 2 is connected to the fan. The wind blown by the fan enters the connecting pipe 24 from the ventilation pipe 23 and is then blown out from the air outlet 22, thereby increasing the contact area between the fuel and the air inside the catalytic furnace, allowing it to burn fully and saving energy.
[0028] Secondly, the outer sides of the main body 1 and the grate outer tube 2 are both provided with an insulation layer 4, and the material of the insulation layer 4 is polyurethane. Polyurethane has good flexibility, strong adaptability to the expansion or cracking of the base layer, high tensile strength, good weather resistance, no flowing at high temperature, no cracking at low temperature, and excellent anti-aging performance, which makes the main body 1 and the grate outer tube 2 better in heat resistance and prolongs their service life.
[0029] Furthermore, an anti-corrosion layer 5 is provided on the outside of the thermal insulation layer 4. The material of the anti-corrosion layer 5 is VPR vinyl polyester. VPR vinyl polyester contains a special structure of unsaturated double bonds and has good corrosion resistance, so that it will no longer experience oxidation, nodules, looseness and peeling, which greatly improves the practicality and reduces the cost for users.
[0030] Furthermore, an anti-scratch layer 6 is provided on the outer side of the anti-corrosion layer 5. The anti-scratch layer 6 is made of aluminum alloy material. Aluminum alloy material has the advantages of light weight, corrosion resistance, good thermal conductivity, etc. It is suitable for high temperature environment and can effectively protect the main body 1 and the grate outer tube 2 so that they will not be easily damaged.
[0031] In this embodiment, the implementation scenario is specifically as follows: in actual use, when the structure is put into use, the main body 1 and the grate bar outer tube 2 are fixedly connected by the card slot 12 and the card block 21, and the support column 33, the support rod 31 and the support block 32 form a plurality of triangular structures inside the support frame 3, which improves the stability of the grate bar outer tube 2, makes it bear more weight and is not easy to break, and prolongs its service life. The materials of the main body 1 and the grate bar outer tube 2 are both HT250, and HT250 has good strength, wear resistance and heat resistance, good vibration reduction, excellent casting performance, small thermal deformation, and is suitable for high temperature occasions. The end of the ventilation pipe 23 away from the grate bar outer tube 2 is connected to the fan, and the wind blown by the fan enters the connecting pipe 24 from the ventilation pipe 23 and then blows out from the air outlet 22, thereby increasing the contact area between the fuel and the air inside the catalytic furnace, making it fully burned and saving energy. The ashes after combustion enter the leakage groove 13 from the placement groove 14 and are discharged, and the insulation The material of the thermal layer 4 is polyurethane. Polyurethane has good flexibility, strong adaptability to the expansion or cracking of the base layer, high tensile strength, good weather resistance, no flowing at high temperature, no cracking at low temperature, and excellent anti-aging performance. The main body 1 and the grate outer tube 2 have better heat resistance and extend their service life. The material of the anti-corrosion layer 5 is VPR vinyl polyester. VPR vinyl polyester contains a special structure of unsaturated double bonds and has good corrosion resistance, so that it will no longer experience oxidation, nodules, loosening and peeling, which greatly improves its practicality and reduces the cost for users. The anti-scratch layer 6 is made of aluminum alloy material. Aluminum alloy material has the advantages of light weight, corrosion resistance, good thermal conductivity, etc. It is suitable for high temperature environment and can effectively protect the main body 1 and the grate outer tube 2 so that it will not be easily damaged. Compared with the existing high-temperature catalytic furnace grate bar structure, the utility model can improve the overall practicality of the high-temperature catalytic furnace grate bar structure through design.
[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A high temperature catalytic furnace grate structure, comprising a main body (1), characterized in that: The main body (1) is fixedly connected to a plurality of fixed blocks (11) at equal intervals, a slot (12) is provided on one side of the main body (1) and between each two fixed blocks (11), a grate bar outer tube (2) is provided inside the slot (12), a support frame (3) is provided inside the grate bar outer tube (2), a plurality of support blocks (32) at equal intervals are provided inside the support frame (3), two sets of opposing support rods (31) are fixedly connected at both ends of the support block (32) and located inside the support frame (3), and a support column (33) is provided inside the support block (32) and between the two sets of support rods (31) located on the same side.
2. A high temperature catalytic furnace grate bar structure according to claim 1, characterized in that: Both ends of the grate bar outer tube (2) are fixedly connected with a clamping block (21); the clamping slot (12) and the clamping block (21) are designed to be compatible with each other; the support column (33), the support rod (31) and the support block (32) form a plurality of triangular structures inside the support frame (3); and the material of the main body (1) and the grate bar outer tube (2) are both HT250.
3. A high temperature catalytic furnace grate bar structure according to claim 2, characterized in that: A placement groove (14) is provided on the top of the main body (1), and a drain groove (13) is provided on the top of the clamping groove (12).
4. A high temperature catalytic furnace grate bar structure according to claim 3, characterized in that: A ventilation pipe (23) is arranged inside the grate bar outer tube (2), and a plurality of groups of air outlets (22) distributed at equal intervals are provided on the top of the grate bar outer tube (2), and the air outlets (22) are connected to the ventilation pipe (23) via a connecting pipe (24).
5. A high temperature catalytic furnace grate bar structure according to claim 4, characterized in that: The outer sides of the main body (1) and the grate bar outer tube (2) are both provided with a heat insulation layer (4), and the material of the heat insulation layer (4) is polyurethane.
6. A high temperature catalytic furnace grate bar structure according to claim 5, characterized in that: An anti-corrosion layer (5) is provided on the outer side of the heat insulation layer (4), and the material of the anti-corrosion layer (5) is VPR vinyl polyester.
7. A high temperature catalytic furnace grate bar structure according to claim 6, characterized in that: An anti-scratch layer (6) is provided on the outer side of the anti-corrosion layer (5), and the anti-scratch layer (6) is made of an aluminum alloy material.