Organic waste gas catalytic combustion waste heat recovery device

Abstract

The utility model relates to the field of waste gas treatment, and discloses an organic waste gas catalytic combustion waste heat recovery device which comprises a water tank, the bottom end of the water tank is fixedly connected with a recovery box, a waste heat recovery mechanism is arranged in the recovery box and the water tank, and the waste heat recovery mechanism comprises a heat conduction plate. A heat conduction rod is fixedly connected to the top end of the heat conduction plate, an air control pipe penetrates through and is fixedly connected to the inner wall of the heat conduction plate, the outer wall of the air control pipe is further fixedly connected with the inner wall of the heat conduction rod, a water inlet pipe is fixedly connected to the top end, close to the right side, of the water tank, and a water outlet pipe is fixedly connected to the left end, close to the bottom, of the water tank. According to the waste heat recovery device, through the arrangement of the waste heat recovery mechanism, it is ensured that hot air can advance at a slower speed in the spiral part area, meanwhile, due to the fact that the length of the spiral part is increased, the time that the air is located in the air control pipe is prolonged, it is ensured that the hot air has sufficient time for heat exchange, and the effect of ensuring the heat recovery efficiency is achieved.

Description

Technical Field

[0001] This utility model relates to the field of waste gas treatment, and in particular to a waste heat recovery device for catalytic combustion of organic waste gas. Background Technology

[0002] Catalytic combustion technology for organic waste gas is a highly efficient method for treating organic waste gas. It utilizes a catalyst to rapidly oxidize and decompose organic waste gas into water and carbon dioxide at relatively low temperatures, thus achieving effective treatment of the waste gas. This process is exothermic, generating a large amount of heat.

[0003] Currently, when recovering heat generated from the treatment of organic waste gas, the treated waste gas is often passed through the lower end of an object with good thermal conductivity, and the upper end of the object is brought into contact with water. In this way, the heat energy of the waste gas is transferred to the water through the object, thereby achieving the effect of recovering and utilizing the heat energy in the waste gas.

[0004] Currently, while heat recovery can be achieved relatively well by transferring heat through conduction, significant heat loss often occurs during actual use due to the high gas flow rate and the long distance the heat conductor travels, resulting in low recovery efficiency. Therefore, an organic waste gas catalytic combustion waste heat recovery device is proposed to address these issues. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a waste heat recovery device for catalytic combustion of organic waste gas, which aims to improve the problem of poor recovery efficiency in the prior art due to the fast gas flow rate and long heat transfer distance of the heat conductor.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: an organic waste gas catalytic combustion waste heat recovery device, comprising a water tank, a recovery box fixedly connected to the bottom of the water tank, a waste heat recovery mechanism provided inside the recovery box and the water tank, the waste heat recovery mechanism comprising a heat-conducting plate, a heat-conducting rod fixedly connected to the top of the heat-conducting plate, a gas control pipe fixedly connected through and to the inner wall of the heat-conducting plate, the outer wall of the gas control pipe being fixedly connected to the inner wall of the heat-conducting rod, a water inlet pipe fixedly connected to the top of the water tank near the right side, a water outlet pipe fixedly connected to the left end of the water tank near the bottom, an air inlet pipe fixedly connected to the left end of the recovery box, an air outlet pipe fixedly connected to the right end of the recovery box, and a filter assembly provided inside the air inlet pipe.

[0007] As a further description of the above technical solution:

[0008] The filter assembly includes a filter frame, the outer wall of which is fixedly connected to the inner wall of the air intake pipe by a snap fastener. A control pipe is fixedly connected to the inner wall of the filter frame. A cleaning plate is rotatably connected to the left end of the control pipe. A control groove is formed on the inner wall of the cleaning plate. A sliding plate is slidably connected to the inner wall of the control pipe. A moving block is fixedly connected to the left end of the sliding plate. A control ball is fixedly connected to the outer wall of the moving block. The right end of the sliding plate is elastically connected to the inner wall of the control pipe by a spring.

[0009] As a further description of the above technical solution:

[0010] The area of ​​the gas control tube inside the heat-conducting rod has a shape formed by connecting a spiral and a vertical line.

[0011] As a further description of the above technical solution:

[0012] The control tube is cylindrical in shape, and an opening is provided at the front end of the control tube.

[0013] As a further description of the above technical solution:

[0014] The length of the cleaning plate is longer than the radius of the filter frame, and the cleaning plate is made of soft rubber.

[0015] As a further description of the above technical solution:

[0016] The control groove is a combination of a cylindrical groove and a spiral groove, with the cylindrical area of ​​the control groove located exactly at the center of the filter frame.

[0017] As a further description of the above technical solution:

[0018] The control ball is disposed inside the control groove, and the diameter of the control ball matches the width of the control groove.

[0019] As a further description of the above technical solution:

[0020] The number of air control tubes is set to multiple, and the horizontal distance between the spiral positions of two adjacent air control tubes is equal to half the distance between two spiral positions of the same air control tube.

[0021] This utility model has the following beneficial effects:

[0022] 1. In this utility model, by setting up an air inlet pipe, a heat-conducting plate, a heat-conducting rod, a gas control pipe, a water tank, and a recovery box, it is ensured that the hot air can move forward at a slower speed in the spiral section. At the same time, due to the increased length of the spiral section, the gas spends more time inside the gas control pipe, thus ensuring that the hot air has sufficient time for heat exchange. Furthermore, because the spiral section of the gas control pipe is closer to the water body, the heat recovery efficiency is guaranteed.

[0023] 2. In this utility model, by setting up a filter frame, control tube, cleaning plate, control groove, sliding plate, moving block, control ball, and spring, it is ensured that the gas can be filtered well before entering the gas control tube, and the left end of the filter frame can be self-cleaned during the filtration process, thereby preventing impurities from accumulating inside the gas control tube. Attached Figure Description

[0024] Figure 1 This is a three-dimensional structural diagram of the overall structure of this utility model;

[0025] Figure 2 This is a three-dimensional cross-sectional view of the overall structure of this utility model;

[0026] Figure 3 This is a three-dimensional structural diagram of the central control air pipe of this utility model;

[0027] Figure 4 This is a three-dimensional cross-sectional view of the intake pipe in this utility model;

[0028] Figure 5 In this utility model Figure 4 Enlarged schematic diagram of the three-dimensional structure of part A.

[0029] Legend:

[0030] 1. Water tank; 2. Recovery tank; 3. Waste heat recovery mechanism; 4. Water inlet pipe; 5. Water outlet pipe; 6. Air inlet pipe; 7. Air outlet pipe; 8. Filter assembly; 31. Heat-conducting plate; 32. Heat-conducting rod; 33. Air control pipe; 81. Filter frame; 82. Control pipe; 83. Cleaning plate; 84. Control slot; 85. Sliding plate; 86. Moving block; 87. Control ball; 88. Spring. 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 1 - Figure 3 This utility model provides an embodiment of an organic waste gas catalytic combustion waste heat recovery device, including a water tank 1, the inside of which is filled with water, and a recovery box 2 fixedly connected to the bottom of the water tank 1. The recovery box 2 is used to recover the waste heat generated after the catalytic combustion of organic waste gas. A waste heat recovery mechanism 3 is provided inside the recovery box 2 and the water tank 1. The waste heat recovery mechanism 3 includes a heat-conducting plate 31, which is made of a heat-conducting material. A heat-conducting rod 32 is fixedly connected to the top of the heat-conducting plate 31. The heat-conducting rod 32 is made of the same material as the heat-conducting plate 31 and is cylindrical in shape. A gas control pipe 33 is fixedly connected through and to the inner wall of the heat-conducting plate 31. The gas control pipe 33 is only located on the inner wall of the heat-conducting plate 31 and is horizontal in shape.

[0033] Reference Figure 1 - Figure 3 The number of gas control tubes 33 is set to multiple, and the horizontal distance between the spiral positions of two adjacent gas control tubes 33 is equal to half the distance between two spiral positions of the same gas control tube 33. The outer wall of the gas control tube 33 is also fixedly connected to the inner wall of the heat-conducting rod 32. The shape of the region of the gas control tube 33 inside the heat-conducting rod 32 is a combination of a spiral and a vertical shape. By setting the spiral shape, it is ensured that when the gas moves within the spiral region of the gas control tube 33, its movement speed is slow, thereby increasing the time the gas spends inside the gas control tube 33. To achieve better heat recovery and utilization, a water inlet pipe 4 is fixedly connected to the top right side of water tank 1, and a water outlet pipe 5 is fixedly connected to the left side near the bottom of water tank 1. The positions of the water inlet pipe 4 and the water outlet pipe 5 are designed to ensure that the water entering water tank 1 can be well absorbed by heat before flowing out from the water outlet pipe 5. An air inlet pipe 6 is fixedly connected to the left side of recovery box 2. The air inlet pipe 6 is used to connect to the air outlet of the organic waste gas catalytic combustion device to ensure that the organic waste gas can directly enter the air inlet pipe 6 after catalytic combustion. An air outlet pipe 7 is fixedly connected to the right side of recovery box 2.

[0034] Reference Figure 2 , Figure 4 and Figure 5The intake pipe 6 has an internal filter assembly 8, which includes a filter frame 81. The outer wall of the filter frame 81 is fixedly connected to the inner wall of the intake pipe 6 by a snap-fit. This snap-fit ​​method ensures that the filter frame 81 can be disassembled from the intake pipe 6, allowing for deep cleaning or replacement after prolonged use. A control pipe 82 is fixedly connected to the inner wall of the filter frame 81. The control pipe 82 is located at the center of the filter frame 81 and is cylindrical in shape. The front end of the 2 is provided with an opening, and the left end of the control tube 82 is rotatably connected to a cleaning plate 83. The cleaning plate 83 is made of soft rubber, and the length of the cleaning plate 83 is longer than the radius of the filter frame 81. By setting the length of the cleaning plate 83, it is ensured that the cleaning plate 83 can clean the entire left surface of the filter frame 81 after rotation. The inner wall of the cleaning plate 83 is provided with a control groove 84. The shape of the control groove 84 is a combination of a cylindrical groove and a spiral groove. The cylindrical area of ​​the control groove 84 is exactly at the center of the filter frame 81.

[0035] Reference Figure 2 , Figure 4 and Figure 5 A slider 85 is slidably connected to the inner wall of the control tube 82. A moving block 86 is fixedly connected to the left end of the slider 85. A control ball 87 is fixedly connected to the outer wall of the moving block 86. The control ball 87 is spherical and is located inside the control groove 84. The diameter of the control ball 87 matches the width of the control groove 84. The right end of the slider 85 is elastically connected to the inner wall of the control tube 82 by a spring 88. One end of the spring 88 is fixedly connected to the right end of the slider 85, and the other end of the spring 88 is fixedly connected to the inner wall of the control tube 82.

[0036] Working principle: When in use, the operator introduces the organic waste gas that has undergone catalytic combustion into the inlet pipe 6. After the gas enters the inlet pipe 6, it first passes through the filter frame 81, at which time the impurities it carries can be filtered out.

[0037] When impurities accumulate to the point that the gas cannot pass through the filter frame 81, when the gas is introduced, it cannot pass through the filter frame 81. As the gas continues to increase, it pushes the moving block 86, causing the moving block 86 to move from left to right, and driving the control ball 87 to move from left to right.

[0038] Since the control ball 87 is inside the control groove 84, when the moving block 86 moves, the control ball 87 presses against the inner wall of the control groove 84, thereby causing the cleaning plate 83 to rotate, and thus the cleaning plate 83 cleans the left end of the filter frame 81 during the rotation.

[0039] After cleaning is completed, the gas can pass through normally, so the air pressure at both ends of the filter frame 81 is balanced. Therefore, the moving block 86 is reset under the combined action of the spring 88 and the slider 85.

[0040] After the gas passes through the inlet pipe 6 and enters the recovery box 2, it first enters the control pipe 33 through the hole at the left end of the control pipe 33. As the hot gas continues to increase, it moves along the control pipe 33 under the action of the gas driving force. Therefore, the gas moves to the interior of the heat-conducting rod 32 in a spiral path and then moves downward from the middle. Because the spiral path requires more force, its movement speed is slower. At the same time, because the total length of the spiral path is longer than that of the ordinary path, it spends more time inside the heat-conducting plate 31 and the heat-conducting rod 32. Therefore, it can ensure that the heat in the gas has enough time to be absorbed and ensure the heat exchange effect.

[0041] 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. An organic waste gas catalytic combustion waste heat recovery device, comprising a water tank (1), characterized in that: The bottom of the water tank (1) is fixedly connected to a recovery tank (2). The recovery tank (2) and the water tank (1) are equipped with a waste heat recovery mechanism (3). The waste heat recovery mechanism (3) includes a heat-conducting plate (31). The top of the heat-conducting plate (31) is fixedly connected to a heat-conducting rod (32). The inner wall of the heat-conducting plate (31) is penetrated and fixedly connected to a gas control pipe (33). The outer wall of the gas control pipe (33) is also fixedly connected to the inner wall of the heat-conducting rod (32). The top of the water tank (1) near the right side is fixedly connected to a water inlet pipe (4). The left end of the water tank (1) near the bottom is fixedly connected to a water outlet pipe (5). The left end of the recovery tank (2) is fixedly connected to an air inlet pipe (6). The right end of the recovery tank (2) is fixedly connected to an air outlet pipe (7). The air inlet pipe (6) is equipped with a filter assembly (8).

2. The organic waste gas catalytic combustion waste heat recovery device according to claim 1, characterized in that: The filter assembly (8) includes a filter frame (81). The outer wall of the filter frame (81) is fixedly connected to the inner wall of the air inlet pipe (6) by a snap fastener. A control pipe (82) is fixedly connected to the inner wall of the filter frame (81). A cleaning plate (83) is rotatably connected to the left end of the control pipe (82). A control groove (84) is opened on the inner wall of the cleaning plate (83). A sliding plate (85) is slidably connected to the inner wall of the control pipe (82). A moving block (86) is fixedly connected to the left end of the sliding plate (85). A control ball (87) is fixedly connected to the outer wall of the moving block (86). The right end of the sliding plate (85) is elastically connected to the inner wall of the control pipe (82) by a spring (88).

3. The organic waste gas catalytic combustion waste heat recovery device according to claim 1, characterized in that: The area inside the heat-conducting rod (32) of the gas control tube (33) has a shape consisting of a spiral and a vertical connection.

4. The organic waste gas catalytic combustion waste heat recovery device according to claim 2, characterized in that: The control tube (82) is cylindrical in shape, and the front end of the control tube (82) is provided with an opening.

5. The organic waste gas catalytic combustion waste heat recovery device according to claim 2, characterized in that: The length of the cleaning plate (83) is longer than the radius of the filter frame (81), and the material of the cleaning plate (83) is set to soft rubber.

6. The organic waste gas catalytic combustion waste heat recovery device according to claim 2, characterized in that: The control groove (84) is a combination of a cylindrical groove and a spiral groove, and the cylindrical area of ​​the control groove (84) is exactly at the center of the filter frame (81).

7. The organic waste gas catalytic combustion waste heat recovery device according to claim 2, characterized in that: The control ball (87) is disposed inside the control groove (84), and the diameter of the control ball (87) matches the width of the control groove (84).

8. The organic waste gas catalytic combustion waste heat recovery device according to claim 1, characterized in that: The number of the air control tubes (33) is set to be multiple, and the horizontal distance between the spiral positions of two adjacent air control tubes (33) is consistent with half the distance between two spiral positions of the same air control tube (33).

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