Low-concentration gas heat storage oxidation device

Abstract

The utility model relates to the technical field of waste gas treatment equipment, and discloses a low-concentration gas heat storage oxidation device which comprises a shell, two first protection shells are fixedly connected to the inner wall of the shell, first fixing plates are fixedly connected to the inner walls of the two first protection shells, a motor is fixedly connected to the left side of each first fixing plate, and a second fixing plate is fixedly connected to the right side of each first fixing plate. The driving end of the motor is fixedly connected with a rotating rod, the right side of the rotating rod is fixedly connected with a rotating plate, the inner wall of the first protection shell is slidably connected with two shielding plates, the close sides of the two shielding plates are fixedly connected with stress inclined plates, and the rear side of the shell is fixedly connected with a quantifying assembly used for quantifying a catalyst. The quantifying assembly comprises a second protective shell. According to the heat storage device, the motor enables the rotating rod to rotate, the rotating plate is made to combat, the stress inclined plate is made to move through the rotating plate, the shielding plate is made to move, and therefore air inlet adjustment of the heat storage device is achieved.

Description

Technical Field

[0001] This utility model relates to the technical field of waste gas treatment equipment, and in particular to a low-concentration gas regenerative oxidation device. Background Technology

[0002] Low-concentration methane refers to methane gas with a volume concentration of less than 8% produced during coal mining. Due to its low calorific value, it is difficult to directly burn and utilize, and direct emissions would result in energy waste and environmental pollution, while also posing safety hazards. Low-concentration methane regenerative oxidation devices recover the heat generated by the oxidation reaction through a heat storage medium, preheating the methane entering the device so that it can stably undergo oxidation at a lower concentration, converting methane into carbon dioxide and water. This device not only efficiently destroys low-concentration methane, eliminating explosion hazards and ensuring safe coal mine production, but also recovers a large amount of heat energy released during the reaction for use in heating, power generation, etc., achieving comprehensive energy utilization, reducing carbon emissions, and possessing significant safety, economic, and environmental benefits.

[0003] The low-concentration gas regenerative oxidation unit mainly consists of a low-concentration gas conveying component, a gas mixing component, a regenerative oxidation component, a waste heat recovery component, and a safety control component. The low-concentration gas conveying component ensures safe gas delivery, while the gas mixing component regulates the gas concentration to a suitable range. The regenerative oxidation component recovers heat and oxidizes the gas through a heat storage medium. The waste heat recovery component converts the heat generated during oxidation into usable thermal energy. The safety control component, through various sensors, valves, and explosion suppression devices, comprehensively ensures the safe operation of the unit and prevents accidents such as explosions.

[0004] In existing technologies, some low-concentration gas regenerative oxidation devices cannot control the inlet and outlet of the regenerator, and cannot accurately adjust the flow rate, concentration, and temperature of the gas-air mixture entering the regenerator, resulting in incomplete oxidation reaction, reduced heat recovery efficiency, and serious energy waste. Therefore, a low-concentration gas regenerative oxidation device is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above deficiencies, this utility model provides a low-concentration gas regenerative oxidation device, which aims to improve the problems in the existing technology where the inability to control the inlet and outlet of the regenerator and the inability to accurately adjust the flow rate, concentration and temperature of the gas-air mixture entering the regenerator lead to insufficient oxidation reaction, reduced heat recovery efficiency and serious energy waste.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A low-concentration gas regenerative oxidation device includes an outer shell. Two protective shells are fixedly connected to the inner wall of the outer shell. A fixing plate is fixedly connected to the inner wall of each of the two protective shells. A motor is fixedly connected to the left side of the fixing plate. A rotating rod is fixedly connected to the drive end of the motor. A rotating plate is fixedly connected to the right side of the rotating rod. Two baffles are slidably connected to the inner wall of the protective shell. A force-bearing inclined plate is fixedly connected to the adjacent side of each of the two baffles. A metering component for metering the catalyst is fixedly connected to the rear side of the outer shell.

[0008] As a further description of the above technical solution:

[0009] The quantitative component includes a second protective shell. The front side of the second protective shell is fixedly connected to the rear side of the outer shell. An electric push block is fixedly connected to the inner wall of the second protective shell. A push block is fixedly connected to the drive end of the electric push block. A rotating disk is fixedly connected to the front side of the push block. A rotating shaft is fixedly connected to the front side of the rotating disk. A conveying pipe is rotatably connected to the front side of the rotating disk. A feed pipe is rotatably connected to the rear side of the rotating disk. An input pipe is fixedly connected to the outside of the feed pipe.

[0010] As a further description of the above technical solution:

[0011] A heat storage chamber is fixedly connected to the inner wall of the outer shell, and a heat storage bed is fixedly connected to the inner wall of the heat storage chamber. Two telescopic rods are fixedly connected to the right side of the fixed plate, and springs are provided on the outside of the two telescopic rods.

[0012] As a further description of the above technical solution:

[0013] The outside of the rotating plate is in contact with the outside of the two force-bearing inclined plates, and the outside of the rotating rod is rotatably connected to the inside of the fixed plate.

[0014] As a further description of the above technical solution:

[0015] A second fixing plate is fixedly connected to the left side of the first fixing plate, and the bottom of the motor is fixedly connected to the top of the second fixing plate.

[0016] As a further description of the above technical solution:

[0017] An exhaust pipe is fixedly connected to the bottom of the outer casing, a valve is fixedly connected to the outside of the exhaust pipe, and a main pipe is fixedly connected to the bottom of the exhaust pipe.

[0018] As a further description of the above technical solution:

[0019] The outer side of the conveying pipe is fixedly connected to the rear side of the housing, and the front side of the rotating shaft is rotatably connected to the rear side of the housing.

[0020] As a further description of the above technical solution:

[0021] The front side of the input pipe is fixedly connected to the rear side of the second protective shell, and the outside of the feed pipe is fixedly connected to the inner wall of the second protective shell.

[0022] This utility model has the following beneficial effects:

[0023] 1. In this utility model, the motor causes the rotating rod to rotate, which in turn causes the rotating plate to move, thereby causing the rotating plate to move the force-bearing inclined plate, which in turn causes the baffle plate to move, thus realizing the air intake regulation of the heat storage device. In addition, the air intake can be dynamically adjusted according to the gas concentration and working conditions to keep the temperature of the heat storage body in the high-efficiency reaction range, thereby improving the heat recovery efficiency and oxidation reaction stability.

[0024] 2. In this utility model, the electric pusher block moves, causing the pusher block to move, which in turn causes the rotating disk to rotate, so that the slot on the rotating disk comes into contact with the conveying pipe and the feed pipe, thereby allowing the catalyst to enter the oxidation chamber in a quantitative manner. This achieves quantitative intake of the catalyst and can precisely control the catalytic reaction process, ensuring that the low-concentration gas interacts fully and stably with the catalyst during the oxidation process, thereby improving reaction efficiency and reliability. Attached Figure Description

[0025] Figure 1 This is a three-dimensional schematic diagram of a low-concentration gas regenerative oxidation device proposed in this utility model;

[0026] Figure 2 This is a schematic diagram of the heat storage chamber of a low-concentration gas regenerative oxidation device proposed in this utility model;

[0027] Figure 3 This is a schematic diagram of the inclined plate under stress in a low-concentration gas regenerative oxidation device proposed in this utility model.

[0028] Figure 4 This is a schematic diagram of the input pipe of a low-concentration gas regenerative oxidation device proposed in this utility model.

[0029] Legend:

[0030] 1. Outer shell; 2. Protective shell one; 3. Fixing plate one; 4. Motor; 5. Rotating rod; 6. Rotating plate; 7. Force-bearing inclined plate; 8. Baffle plate; 9. Protective shell two; 10. Electric pusher block; 11. Pushing block; 12. Rotating disk; 13. Conveying pipe; 14. Rotating shaft; 15. Feed pipe; 16. Input pipe; 17. Heat storage chamber; 18. Heat storage bed; 19. Exhaust pipe; 20. Valve one; 21. Main pipe; 22. Telescopic rod; 23. Spring; 24. Fixing plate two. Detailed Implementation

[0031] 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.

[0032] Reference Figure 2 and Figure 3 This utility model provides an embodiment of a low-concentration gas regenerative oxidation device, comprising an outer shell 1, which serves as the foundation of the entire device, protecting and stabilizing the internal structure. Two protective shells 2 are fixedly connected to the inner wall of the outer shell 1, protecting the internal shielding components and ensuring stable operation. Fixing plates 3 are fixedly connected to the inner walls of both protective shells 2, providing support and fixation for subsequent components. A motor 4 is fixedly connected to the left side of the fixing plate 3, and a rotating rod 5 is fixedly connected to the drive end of the motor 4. The right side of the rotating rod 5... A rotating plate 6 is fixedly connected to the side. The motor 4 is the driving source of the shielding assembly, which causes the rotating rod 5 to rotate, and the rotating plate 6 to rotate under the action of the rotating rod 5. The rotating plate 6 has two acute angles between its two corners. Two shielding plates 8 are slidably connected to the inner wall of the protective shell 2. A force-bearing inclined plate 7 is fixedly connected to the adjacent side of the two shielding plates 8. The shielding plates 8 shield the air inlet pipe and air outlet pipe of the heat storage chamber 17. The force-bearing inclined plate 7 moves under the action of the rotating plate 6, so that the shielding plates 8 can move and be stabilized. A metering assembly for metering the catalyst is fixedly connected to the rear side of the outer shell 1.

[0033] Reference Figure 2 and Figure 4The metering component includes a second protective shell 9, the front of which is fixedly connected to the rear of the outer shell 1. The second protective shell 9 protects the internal metering structure, ensuring its stable operation. An electric pusher block 10 is fixedly connected to the inner wall of the second protective shell 9. A pusher block 11 is fixedly connected to the drive end of the electric pusher block 10. A rotating disk 12 is fixedly connected to the front of the pusher block 11. A rotating shaft 14 is fixedly connected to the front of the rotating disk 12. A conveying pipe 13 is rotatably connected to the front of the rotating disk 12. A feed pipe is rotatably connected to the rear of the rotating disk 12. The feed pipe 15 is externally fixedly connected to the input pipe 16. The electric pusher block 10 is the driving source of the metering component, thereby driving the subsequent structure to operate. The pusher block 11 moves after receiving the pushing force from the electric pusher block 10 to stabilize it. The rotating disk 12 rotates under the action of the pusher block 11. The surface of the rotating disk 12 has a feed port. The conveying pipe 13 puts the catalyst through the feed port into the oxidation chamber. The feed pipe 15 receives the catalyst in the input pipe 16 and thus operates.

[0034] Reference Figures 1 to 3A heat storage chamber 17 is fixedly connected to the inner wall of the outer shell 1. A heat storage bed 18 is fixedly connected to the inner wall of the heat storage chamber 17. The heat storage chamber 17 preheats the gas so that it can be burned in subsequent steps. The heat storage bed 18 has a large number of high-temperature components to heat the gas. Two telescopic rods 22 are fixedly connected to the right side of the fixed plate 1 3. Springs 23 are provided on the outside of the two telescopic rods 22. The telescopic rods 22 and springs 23 receive the pushing force of the baffle plate 8, thereby compressing and stabilizing it, so that the springs 23 and telescopic rods 22 apply force to the baffle plate 8. The outside of the rotating plate 6 is in contact with the outside of the two force-bearing inclined plates 7. The rotating plate 6 receives the rotational force of the rotating rod 5, thereby rotating, so that the force-bearing inclined plates 7 drive the baffle plate 8 to move. The outside of the rotating rod 5 is rotatably connected to the inside of the fixed plate 1 3. The rotating rod 5 receives the rotational force of the motor 4, thereby rotating. A fixed plate 24 is fixedly connected to the left side of the fixed plate 1 3. The bottom of the motor 4 The motor 4 is fixedly connected to the top of the fixed plate 24. The fixed plate 24 is used to stabilize the motor 4. The bottom of the outer shell 1 is fixedly connected to the exhaust pipe 19. The exhaust pipe 19 is fixedly connected to the outside of the exhaust pipe 19. The bottom of the exhaust pipe 19 is fixedly connected to the main pipe 21. The outside of the conveying pipe 13 is fixedly connected to the rear side of the outer shell 1. The exhaust pipe 19 receives the low-temperature gas transmitted from the heat storage chamber 17 and discharges it to stabilize it. The valve 20 is used to adjust the exhaust port. The main pipe 21 receives the exhaust ports and discharges them here. The front side of the rotating shaft 14 is rotatably connected to the rear side of the outer shell 1. The rotating shaft 14 is used to stably receive the pushing force of the push block 11 from the rotating disk 12. The front side of the input pipe 16 is fixedly connected to the rear side of the protective shell 2. The input pipe 16 is used to stably receive the feed pipe 15 to stabilize it. The outside of the feed pipe 15 is fixedly connected to the inner wall of the protective shell 2. The feed pipe 15 stably receives the catalyst from the input pipe 16.

[0035] Working principle: Motor 4 rotates the rotating rod 5, which in turn rotates the rotating plate 6. The rotating plate 6 then impacts the two inclined plates 7 on both sides, causing the inclined plates 7 to move different baffles 8. This opens the air inlet and closes the gas inlet to the oxidation chamber, ensuring uniform heating. By closing the air inlet and opening the gas inlet to the oxidation chamber, backflow is prevented, and gas is heated evenly. This achieves air intake regulation of the heat storage device. In addition, the air intake can be dynamically adjusted according to the gas concentration and operating conditions to maintain the temperature of the heat storage body within the high-efficiency reaction range, thereby improving heat recovery efficiency and oxidation reaction stability.

[0036] The electric pusher block 10 moves the pusher block 11, causing the rotating disk 12 to rotate. This causes the slot on the rotating disk 12 to rotate, making the slot contact the conveying pipe 13 and the feed pipe 15, stabilizing them and allowing the catalyst to enter the interior of the outer shell 1 under the action of the input pipe 16. This allows for full contact with the gas inside the oxidation chamber, thus achieving quantitative intake of the catalyst. In addition, it can precisely control the catalytic reaction process, ensuring that the low-concentration gas interacts fully and stably with the catalyst during the oxidation process, thereby improving reaction efficiency and reliability.

[0037] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A low concentration gas regenerative oxidation device comprising a housing (1), characterized in that: The inner wall of the outer shell (1) is fixedly connected to two protective shells (2), and the inner walls of the two protective shells (2) are fixedly connected to a fixing plate (3). The left side of the fixing plate (3) is fixedly connected to a motor (4), the drive end of the motor (4) is fixedly connected to a rotating rod (5), the right side of the rotating rod (5) is fixedly connected to a rotating plate (6), the inner wall of the protective shell (2) is slidably connected to two shielding plates (8), and the adjacent sides of the two shielding plates (8) are fixedly connected to a force-bearing inclined plate (7). The rear side of the outer shell (1) is fixedly connected to a metering component for metering the catalyst.

2. The low concentration gas heat accumulating oxidation device according to claim 1, characterized in that: The quantitative component includes a second protective shell (9), the front side of which is fixedly connected to the rear side of the outer shell (1). An electric push block (10) is fixedly connected to the inner wall of the second protective shell (9). A push block (11) is fixedly connected to the driving end of the electric push block (10). A rotating disk (12) is fixedly connected to the front side of the push block (11). A rotating shaft (14) is fixedly connected to the front side of the rotating disk (12). A conveying pipe (13) is rotatably connected to the front side of the rotating disk (12). A feed pipe (15) is rotatably connected to the rear side of the rotating disk (12). An input pipe (16) is fixedly connected to the outside of the feed pipe (15).

3. The low concentration gas heat accumulator oxidation device according to claim 1, characterized in that: The inner wall of the outer shell (1) is fixedly connected to a heat storage chamber (17), and the inner wall of the heat storage chamber (17) is fixedly connected to a heat storage bed (18). Two telescopic rods (22) are fixedly connected to the right side of the fixed plate (3), and springs (23) are provided on the outside of the two telescopic rods (22).

4. The low concentration gas heat accumulator oxidation device according to claim 1, characterized in that: The outside of the rotating plate (6) is in contact with the outside of the two force-bearing inclined plates (7), and the outside of the rotating rod (5) is rotatably connected to the inside of the fixed plate (3).

5. The low concentration gas heat accumulator oxidation device according to claim 1, characterized in that: Fixing plate 2 (24) is fixedly connected to the left side of fixing plate 1 (3), and the bottom of motor (4) is fixedly connected to the top of fixing plate 2 (24).

6. The low concentration gas heat accumulator oxidation device according to claim 2, characterized in that: An exhaust pipe (19) is fixedly connected to the bottom of the outer casing (1), a valve (20) is fixedly connected to the outside of the exhaust pipe (19), and a main pipe (21) is fixedly connected to the bottom of the exhaust pipe (19).

7. The low concentration gas heat accumulator oxidation device according to claim 6, characterized in that: The external of the conveying pipe (13) is fixedly connected to the rear side of the outer casing (1), and the front side of the rotating shaft (14) is rotatably connected to the rear side of the outer casing (1).

8. The low concentration gas heat accumulator oxidation device according to claim 2, characterized in that: The front side of the input pipe (16) is fixedly connected to the rear side of the second protective shell (9), and the outside of the feed pipe (15) is fixedly connected to the inner wall of the second protective shell (9).

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