Gas flow uniform distribution structure of second combustion chamber of hazardous waste incinerator

Abstract

The utility model belongs to the dangerous waste incinerator technical field, and disclose dangerous waste incinerator two combustion chamber airflow even distribution structure, including air pipe, the inside of air inlet pipe is set up and is limited to the limit slot, the inside of limit slot is equipped with the limit block one of sliding, the inside fixed establishment of limit block one is equipped with the connecting rod, the inside fixed establishment of limit block one is equipped with the air ring, the inside of air ring is set up and is equipped with the air guide hole, through limit block one, both guaranteed the movability of component, and can prevent its unnecessary shaking or displacement under the impact of airflow, enhanced the stability of whole structure, through the air guide hole, can carry out the preliminary direction and dispersion to the airflow of entering the air inlet pipe, make the airflow more evenly enter subsequent structure, help to improve the airflow distribution uniformity in two combustion chamber, thereby make the combustion more fully.

Description

Technical Field

[0001] This utility model belongs to the technical field of hazardous waste incinerators, specifically the uniform airflow distribution structure of the secondary combustion chamber of a hazardous waste incinerator. Background Technology

[0002] The secondary combustion chamber of a hazardous waste incinerator plays a crucial role in the hazardous waste treatment process. Its main function is to further burn and decompose incompletely combusted hazardous substances at high temperatures to meet environmental emission standards. However, current secondary combustion chambers generally suffer from uneven airflow distribution, which leads to excessively low local temperatures, affecting combustion efficiency, increasing hazardous substance emissions, and also exacerbating local wear and tear on the equipment, shortening its service life. To address these issues, this innovative design scheme for a uniform airflow distribution structure in the secondary combustion chamber of a hazardous waste incinerator is proposed.

[0003] Meanwhile, a hazardous waste incineration system secondary combustion chamber air distribution device is disclosed (announcement number CN109185899A). This hazardous waste incineration system secondary combustion chamber air distribution device includes a secondary combustion chamber, characterized in that: the bottom of the secondary combustion chamber is provided with a bottom layer of air inlets and an upper layer of air inlets, which are distributed in two layers. The bottom layer air inlets and the upper layer air inlets are each a plurality of inlets evenly distributed on the same cross-section of the secondary combustion chamber wall. The bottom layer air inlets enter the furnace chamber radially perpendicular to the furnace wall, while the upper layer air inlets connect to the secondary combustion chamber in a clockwise direction along the inner wall of the furnace chamber.

[0004] The aforementioned hazardous waste incineration system's secondary combustion chamber air distribution device mixes flue gas and combustion air by adjusting the number, position, and angle of the air distribution pipes during use. However, the mixing effect may not be ideal, affecting combustion efficiency. The secondary combustion chamber has a large design volume and diameter, and the distribution of secondary air after entering the secondary combustion chamber may be uneven, resulting in insufficient excess air coefficient in some areas, incomplete combustion, and the generation of a large amount of pollutants.

[0005] Therefore, a uniform airflow distribution structure for the secondary combustion chamber of a hazardous waste incinerator is proposed to address the above issues. Utility Model Content

[0006] To address the problems mentioned in the background section, this invention provides a uniform airflow distribution structure for the secondary combustion chamber of a hazardous waste incinerator, which has the advantage of allowing for rapid replacement in case of blockage.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a uniform airflow distribution structure for the secondary combustion chamber of a hazardous waste incinerator, including an air duct. A limiting groove is formed inside the air inlet duct, and a limiting block is slidably provided inside the limiting groove. A connecting rod is fixedly provided inside the limiting block, and an air guide ring is fixedly provided inside the limiting block. An air guide hole is formed inside the air guide ring. Through the limiting block, the mobility of the components is ensured, and unnecessary shaking or displacement under airflow impact is prevented, thereby enhancing the stability of the entire structure.

[0008] Preferably, a guide plate is fixedly provided on the inner side of the air guide ring, and a fixing ring is fixedly provided on the other end face of the connecting rod, with an air inlet opened inside the fixing ring.

[0009] By adopting the above technical solution, the airflow direction can be further guided by the deflector, so that the airflow enters the subsequent area in a more orderly manner, reducing the turbulence of the airflow and improving the uniformity of the airflow distribution.

[0010] Preferably, the fixed ring has a square groove inside, a connecting plate two is fixed inside the square groove, a limiting block two is fixed in the middle of the other end face of the connecting plate two, and a buckle is fixed in the other end face of the connecting plate two.

[0011] By adopting the above technical solution, the buckle allows for easy connection and disassembly with other components, facilitating the installation, maintenance, and repair of the equipment.

[0012] Preferably, a shaped block is attached to the outer side of the second limiting block, and a groove is formed inside the shaped block, and the groove is attached to the second limiting block.

[0013] By adopting the above technical solution, the leakage of airflow at the connection points is reduced by using irregularly shaped blocks, the utilization efficiency of airflow is improved, and the stability of the structure is also enhanced.

[0014] Preferably, a connecting plate is fixedly provided on the other end face of the irregular block, and the connecting plate is fixedly provided with the air inlet pipe. Both the upper and lower sides of the other end face of the connecting plate are fixed with limiting plates. The inner side of the limiting plate is provided with a slot, and the slot is located on the upper and lower sides of the irregular block.

[0015] By adopting the above technical solution, the slot can prevent the irregular block from moving up and down or shaking under the action of airflow, ensuring the relative position stability between the irregular block and other components, thereby maintaining the normal operation of the entire airflow distribution structure.

[0016] Preferably, a fan is fixedly installed on the upper end face of the air inlet pipe, and a furnace is fixedly installed on the inner side of the air inlet pipe, with a secondary combustion chamber opened inside the furnace.

[0017] By adopting the above technical solution, the fan can provide power for the airflow, ensuring that the airflow can smoothly enter the air inlet pipe and flow in the entire airflow distribution structure, providing sufficient air for the secondary combustion chamber and ensuring complete combustion.

[0018] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0019] 1. This utility model, through the limiting block one, not only ensures the mobility of the component, but also prevents it from shaking or shifting unnecessarily under the impact of airflow, thus enhancing the stability of the entire structure. Through the air guide hole, the airflow entering the air inlet pipe can be initially guided and dispersed, so that the airflow enters the subsequent structure more evenly, which helps to improve the uniformity of airflow distribution in the secondary combustion chamber, thereby making the combustion more complete.

[0020] 2. This utility model uses irregularly shaped blocks to enable quick operation when the equipment needs maintenance or component replacement, improving the maintainability of the equipment. The second limiting block can play a role in precise positioning, ensuring the accuracy of the position when the second connecting plate is connected to other components, thereby ensuring the normal operation of the entire airflow distribution structure. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the installation structure of the air guide ring of this utility model;

[0023] Figure 3 This is a schematic diagram of the installation structure of the secondary combustion chamber of this utility model;

[0024] Figure 4 This is a schematic diagram of the installation structure of the fixing ring of this utility model;

[0025] Figure 5 This is a schematic diagram of the installation structure of the limiting groove of this utility model.

[0026] In the diagram: 1. Furnace; 2. Secondary combustion chamber; 3. Blower; 4. Air inlet pipe; 5. Air inlet; 6. Fixing ring; 7. Connecting rod; 8. Limiting block one; 9. Air guide ring; 10. Air guide hole; 11. Limiting groove; 12. Square groove; 13. Flow guide plate; 14. Connecting plate one; 15. Limiting plate; 16. Irregular block; 17. Slot; 18. Groove; 19. Connecting plate two; 20. Buckle; 21. Limiting block two. Detailed Implementation

[0027] 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.

[0028] The following describes an embodiment of this utility model based on its overall structure.

[0029] like Figures 1 to 5As shown, this utility model provides a uniform airflow distribution structure for the secondary combustion chamber of a hazardous waste incinerator, including an air inlet pipe 4. A limiting groove 11 is formed inside the air inlet pipe 4. A limiting block 8 is slidably provided inside the limiting groove 11. A connecting rod 7 is fixedly provided inside the limiting block 8. An air guide ring 9 is fixedly provided inside the limiting block 8. An air guide hole 10 is formed inside the air guide ring 9. The limiting block 8 ensures the mobility of the components and prevents them from shaking or shifting unnecessarily under the impact of airflow, thus enhancing the stability of the entire structure. The air guide hole 10 can initially guide and disperse the airflow entering the air inlet pipe 4, so that the airflow enters the subsequent structure more evenly, which helps to improve the uniformity of airflow distribution in the secondary combustion chamber 2, thereby making the combustion more complete.

[0030] In this embodiment, a guide plate 13 is fixedly provided on the inner side of the air guide ring 9, and a fixing ring 6 is fixedly provided on the other end face of the connecting rod 7. An air inlet 5 is opened inside the fixing ring 6. Through the guide plate 13, the airflow direction can be further guided, so that the airflow enters the subsequent area more orderly, reducing the turbulence of the airflow and improving the uniformity of the airflow distribution.

[0031] The fixed ring 6 has a square groove 12 inside, and a connecting plate 2 19 is fixed inside the square groove 12. A limiting block 21 is fixed in the middle of the other end face of the connecting plate 2 19, and a buckle 20 is fixed in the other end face of the connecting plate 2 19. Through the buckle 20, it can be easily connected and disassembled with other components, which facilitates the installation, maintenance and repair of the equipment.

[0032] A shaped block 16 is attached to the outer side of the limiting block 21. A groove 18 is provided inside the shaped block 16, and the groove 18 is attached to the limiting block 21. The shaped block 16 reduces the leakage of airflow at the connection part, improves the utilization efficiency of airflow, and also enhances the stability of the structure.

[0033] A connecting plate 14 is fixedly provided on the other end face of the irregular block 16, and the connecting plate 14 is fixedly set with the air inlet pipe 4. Both the upper and lower sides of the other end face of the connecting plate 14 are fixed with limiting plates 15. The inner side of the limiting plate 15 is provided with a slot 17, and the slot 17 is on the upper and lower sides of the irregular block 16. Through the slot 17, the irregular block 16 can be prevented from moving up and down or shaking under the action of airflow, ensuring the relative position stability between the irregular block 16 and other components, thereby maintaining the normal operation of the entire airflow distribution structure.

[0034] A fan 3 is fixedly installed on the upper end face of the air inlet pipe 4, and a furnace 1 is fixedly installed on the inner side of the air inlet pipe 4. A secondary combustion chamber 2 is opened inside the furnace 1. The fan 3 can provide power for the flow of air, ensuring that the air can smoothly enter the air inlet pipe 4 and flow in the entire airflow distribution structure, providing sufficient air for the secondary combustion chamber 2 and ensuring complete combustion.

[0035] Working principle and process of the uniform airflow distribution structure in the secondary combustion chamber of a hazardous waste incinerator:

[0036] The operator starts the fan 3, and air enters the airflow distribution structure through the air inlet pipe 4. The limiting block 8 in the limiting groove 11 inside the air inlet pipe 4 can slide within the groove. The limiting block 8 connects to the connecting rod 7 and the air guide ring 9. Air enters the air guide ring 9 and is initially guided and dispersed through its internal air guide holes 10. The guide plate 13 on the inner side of the air guide ring 9 further guides the airflow, making it more orderly. The fixing ring 6 at the other end of the connecting rod 7 has an air inlet 5 inside, allowing air to continue flowing in. The square groove 1 inside the fixing ring 6... In section 2, the second connecting plate 19 has a limiting block 21 that fits into the groove 18 inside the irregular block 16. The buckle 20 plays an auxiliary fixing role. The irregular block 16 is fixed to the air inlet pipe 4 through the first connecting plate 14. The slot 17 on the inner side of the limiting plate 15 can limit the irregular block 16 and ensure the stability of the structure. After the above-mentioned layers of guiding and dispersing airflow, it finally enters the secondary combustion chamber 2 in the furnace 1, making the airflow distribution in the secondary combustion chamber 2 more uniform, and playing the role of uniform airflow distribution structure in the secondary combustion chamber of the hazardous waste incinerator.

[0037] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A structure for distributing airflow evenly in the secondary combustion chamber of a hazardous waste incinerator, comprising an air inlet pipe (4), characterized in that: The air inlet pipe (4) has a limiting groove (11) inside, a limiting block (8) is slidably provided inside the limiting groove (11), a connecting rod (7) is fixedly provided inside the limiting block (8), an air guide ring (9) is fixedly provided inside the limiting block (8), and an air guide hole (10) is provided inside the air guide ring (9).

2. The hazardous waste incinerator secondary combustion chamber air flow uniform distribution structure according to claim 1, characterized in that: A guide plate (13) is fixedly provided on the inner side of the air guide ring (9), and a fixing ring (6) is fixedly provided on the other end face of the connecting rod (7). An air inlet (5) is opened inside the fixing ring (6).

3. The hazardous waste incinerator secondary combustion chamber air flow uniform distribution structure according to claim 2, characterized in that: The fixed ring (6) has a square groove (12) inside, and a connecting plate (19) is fixed inside the square groove (12). A limiting block (21) is fixed in the middle of the other end face of the connecting plate (19), and a buckle (20) is fixed in the other end face of the connecting plate (19).

4. The hazardous waste incinerator secondary combustion chamber air flow uniform distribution structure according to claim 3, characterized in that: The outer side of the limiting block 2 (21) is fitted with a shaped block (16), and the inside of the shaped block (16) is provided with a groove (18), and the groove (18) is fitted with the limiting block 2 (21).

5. The hazardous waste incinerator secondary combustion chamber air flow uniform distribution structure according to claim 4, characterized in that: A connecting plate (14) is fixedly provided on the other end face of the irregular block (16), and the connecting plate (14) is fixedly provided with the air inlet pipe (4). Both the upper and lower sides of the other end face of the connecting plate (14) are fixed with limiting plates (15). The inner side of the limiting plate (15) is provided with a slot (17), and the slot (17) is on the upper and lower sides of the irregular block (16).

6. The hazardous waste incinerator secondary combustion chamber air flow uniform distribution structure according to claim 1, characterized in that: A fan (3) is fixedly installed on the upper end face of the air inlet pipe (4), and a furnace (1) is fixedly installed on the inner side of the air inlet pipe (4). A secondary combustion chamber (2) is opened inside the furnace (1).

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