CO catalytic combustion furnace capable of reducing temperature of exhaust pipe

Abstract

The utility model relates to the field of catalytic combustion furnaces, and discloses a CO catalytic combustion furnace capable of reducing the temperature of an exhaust pipe, which comprises a waste gas through pipe and an adsorption assembly arranged on one side of the waste gas through pipe, one side of the adsorption assembly is connected with a combustion furnace, a CO adding assembly is arranged on the top of the combustion furnace, and a pressure control assembly and a heating assembly are arranged on two sides of the combustion furnace. An exhaust pipe cooling assembly is arranged on one side of the combustion furnace; according to the novel mounting pipe, the adsorption block can be quickly assembled and disassembled, so that the flexibility of the device is greatly improved, and the convenience in transportation and adaptation to different waste gas treatments is improved; the novel pressure sensor monitors the pressure in the furnace in real time, and when the pressure exceeds a preset value, the pressure relief pipe is opened to release part of gas to return to the waste gas through pipe again for secondary reaction, so that the combustion furnace is prevented from being exploded due to overlarge pressure; the exhaust pipe can be cooled through the refrigerating machine, and safety accidents caused by the exhaust pipe in a long-time high-temperature state are avoided.

Description

Technical Field

[0001] The utility model relates to the field of catalytic combustion furnaces, in particular to a CO catalytic combustion furnace capable of reducing the temperature of an exhaust pipe. Background Art

[0002] The integrated catalytic combustion equipment based on VOCs waste gas treatment is a kind of equipment used to treat the waste gas generated when the factory processes goods, and converts the components in the waste gas into gases that are harmless to the human body and society. With the rapid development of science and technology, people have higher and higher requirements for integrated catalytic combustion equipment, resulting in the existing integrated catalytic combustion equipment failing to meet people's usage requirements; the existing catalytic combustion equipment has certain disadvantages when used. First of all, the existing integrated catalytic combustion equipment based on VOCs waste gas treatment is relatively large in size and not convenient to assemble. In addition, each factory generates a variety of waste gases with different needs and different required structures, which makes it more troublesome to handle, bringing certain impacts to people's use process.

[0003] According to the patent publication number CN208475349U, an integrated catalytic combustion device based on VOCs waste gas treatment is provided, including an air intake module, a three-stage filtration module, an adsorption module, a waste heat utilization module, a power equipment module, a CO catalytic oxidation furnace module, a control room module and a tool box module, one end of the air intake module is riveted to the three-stage filtration module, one end of the three-stage filtration module is riveted to the adsorption module, one end of the adsorption module is riveted to the waste heat utilization module, and one end of the waste heat utilization module is riveted to the power equipment module. The integrated catalytic combustion device based on VOCs waste gas treatment described in the utility model, through modular design and set rivets, users can choose the corresponding module according to their needs, it is more flexible to use, and the volume is relatively small when carried, and it is convenient for people to disassemble and install the equipment, and it is convenient for people to maintain and adjust the equipment, bringing better prospects for use.

[0004] There are still some deficiencies in the patent application. The CO catalytic combustion furnace in this device of the patent is not equipped with an explosion-proof mechanism, which leads to the phenomenon that the CO catalytic combustion furnace explodes easily when the internal pressure is too high. At the same time, the exhaust pipe will emit a large amount of high-temperature heat during the catalytic decomposition process. Long-term high-temperature state may affect the service life of the exhaust pipe, causing the exhaust pipe to break, resulting in high-temperature gas leakage, thereby causing safety accidents. Therefore, a CO catalytic combustion furnace that reduces the exhaust pipe temperature is needed to solve this problem. Utility Model Content

[0005] The utility model aims to provide a CO catalytic combustion furnace for reducing the temperature of an exhaust pipe, aiming to solve the problems raised in the background technology.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A CO catalytic combustion furnace for reducing the temperature of an exhaust pipe comprises an exhaust gas duct and an adsorption component arranged on one side of the exhaust gas duct, one side of the adsorption component is connected to the combustion furnace, a CO adding component is arranged on the top of the combustion furnace, a pressure control component and a heating component are arranged on both sides, and an exhaust pipe cooling component is arranged on one side of the combustion furnace.

[0008] Preferably, the exhaust gas passage is connected to the adsorption block, the adsorption block is provided with an exhaust gas channel, a slot is provided on one side of the exhaust gas channel, the slot is engaged with an adsorption plug plate, and the adsorption plug plate is provided with a sealing plug.

[0009] Preferably, a spiral mounting hole is provided on one side of the adsorption block, the spiral mounting hole is engaged with a mounting tube, a thread is provided on the outer side of the mounting tube, one end of the mounting tube is engaged with a sealed air pipe, and the sealed air pipe is installed on one side of the combustion furnace.

[0010] Preferably, the CO addition component includes a loading barrel, the addition barrel is connected to an air pump, the air pump is connected to a gas pipe, and the gas pipe is connected to a combustion furnace.

[0011] Preferably, the pressure control component includes a pressure tube, a pressure piston is embedded in the pressure tube, the pressure piston is connected to a pressure spring, the pressure spring is connected to a pressure shaft, the pressure shaft is connected to a pressure sensor, a pressure relief pipe is provided below the pressure sensor, and the pressure relief pipe is connected to an exhaust gas duct.

[0012] Preferably, the heating assembly includes a heater, the heater is connected to a heat sink, the heat sink is arranged inside the combustion furnace, a combination groove is provided on one side of the combustion furnace, the combination groove is provided with a limit groove, and an exhaust pipe is provided on one side of the combination groove.

[0013] Preferably, the limiting groove is engaged with a limiting rod, the limiting rod is installed on one side of the cooling pipe, the cooling pipe is engaged with the exhaust pipe, one side of the cooling pipe is connected to a cold air delivery pipe, and the cold air delivery pipe is connected to a refrigerator.

[0014] Beneficial effects: The new installation tube can be installed by interlocking the outer thread and the spiral installation hole, so as to realize the rapid assembly and disassembly of the adsorption block, greatly improving the flexibility of the device, and improving the convenience in transportation and adapting to different exhaust gas treatments; when the new combustion furnace heats up, the pressure in the furnace will increase, thereby pressing the pressure piston to compress the pressure spring, and the pressure spring makes the pressure shaft contact the pressure sensor to monitor the pressure in the furnace in real time. When the pressure exceeds the preset value, the pressure relief pipe is opened to release part of the gas back to the exhaust gas duct for secondary reaction, thereby avoiding the explosion of the combustion furnace due to excessive pressure; the new type can use a refrigerator to pass cold air from the cold air delivery pipe into the cooling pipe, thereby cooling the exhaust pipe, avoiding the exhaust pipe from breaking under a long-term high temperature state, causing high-temperature gas leakage, thereby causing a safety accident, and the exhaust pipe cooling component 7 can be disassembled by separating the limit rod from the limit groove, thereby improving the convenience of assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings described below are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the adsorption component of the utility model;

[0018] Figure 3 This is a schematic diagram of the CO adding component structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the pressure control component and the heating component of the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the exhaust pipe cooling component of the utility model.

[0021] Legend:

[0022] 1. Exhaust gas duct; 2. Adsorption component; 3. Combustion furnace; 4. CO adding component; 5. Pressure control component; 6. Heating component; 7. Exhaust pipe cooling component; 11. Adsorption block; 12. Exhaust gas channel; 13. Slot; 21. Adsorption plug; 22. Sealed plug; 23. Spiral mounting hole; 231. Mounting pipe; 232. Thread; 24. Sealed air pipe; 41. CO loading barrel; 42. Air pump; 43. Air pipe; 51. Pressure pipe; 52. Pressure piston; 53. Pressure spring; 54. Pressure shaft; 55. Pressure sensor; 56. Pressure relief pipe; 61. Heater; 62. Heat sink; 31. Combination slot; 32. Limit slot; 71. Exhaust pipe; 321. Limit rod; 72. Cooling pipe; 73. Cold air delivery pipe; 74. Refrigerator. DETAILED DESCRIPTION

[0023] Below, in conjunction with the accompanying drawings and specific implementation methods, the utility model is further described:

[0024] Example 1

[0025] See also Figures 1 to 3 Embodiment 1 is described, a CO catalytic combustion furnace for reducing the temperature of an exhaust pipe comprises an exhaust gas passage 1 and an adsorption assembly 2 arranged on one side of the exhaust gas passage 1, one side of the adsorption assembly 2 is connected to a combustion furnace 3, a CO adding assembly 4 is arranged on the top of the combustion furnace 3, the exhaust gas passage 1 is connected to an adsorption block 11, the adsorption block 11 is provided with an exhaust gas channel 12, a slot 13 is arranged on one side of the exhaust gas channel 12, the slot 13 is engaged with an adsorption plug 21, the adsorption plug 21 is provided with a sealing plug 22, a spiral mounting hole 23 is arranged on one side of the adsorption block 11, the spiral mounting hole 23 is engaged with an mounting pipe 231, a thread 232 is arranged on the outer side of the mounting pipe 231, one end of the mounting pipe 231 is engaged with a sealed air pipe 24, the sealed air pipe 24 is arranged on one side of the combustion furnace 3, the CO adding assembly 4 comprises a CO loading barrel 41, the CO adding barrel 41 is connected to an air pump 42, the air pump 42 is connected to an air supply pipe 43, and the air supply pipe 43 is connected to the combustion furnace 3.

[0026] In this embodiment, VOCs waste gas can be introduced from the waste gas passage 1, and the waste gas enters the adsorption block 11 and reaches the adsorption plug plate 21 through the waste gas channel 12. The adsorption plug plate 21 can filter out large particles of harmful impurities in the waste gas to prevent impurities from being discharged into the air and affecting the working environment. The sealing plug 22 provided on the adsorption plug plate 21 can prevent waste gas leakage, thereby improving safety. After the work is completed, the adsorption plug plate 21 can be pulled out of the slot 13 of the adsorption block 11 for cleaning, which is convenient and fast and improves the adsorption efficiency. The mounting tube 231 can be installed by using the outer thread 232 and the spiral mounting hole 23 to realize the rapid assembly and disassembly of the adsorption block 11, which greatly improves the flexibility of the device and improves the convenience in transportation and adaptation to different waste gas treatments. The treated waste gas enters the combustion furnace 3 from the sealed air pipe 24, and the air pump 42 is started to input the CO in the CO loading barrel from the gas pipe 43 into the combustion furnace 3 to mix with the waste gas.

[0027] Example 2

[0028] See also Figure 4 to Figure 5 Example 2 is described. This embodiment further describes Example 1. Pressure control components 5 and heating components 6 are provided on both sides of the combustion furnace 3. An exhaust pipe cooling component 7 is provided on one side of the combustion furnace 3. The pressure control component 5 includes a pressure pipe 51. A pressure piston 52 is embedded in the pressure pipe 51. The pressure piston 52 is connected to a pressure spring 53. The pressure spring 53 is connected to a pressure shaft 54. The pressure shaft 54 ​​is connected to a pressure sensor 55. A pressure relief pipe 56 is provided below the pressure sensor 55. The pressure relief pipe 56 is connected to the exhaust gas passage 1. The heating component 6 includes a heater 61. The heater 61 is connected to a heat sink 62. The heat sink 62 is provided inside the combustion furnace 3. A combination groove 31 is provided on one side of the combustion furnace 3. The combination groove 31 is provided with a limit groove 32. An exhaust pipe 71 is provided on one side of the combination groove 31. The limit groove 32 is embedded with a limit rod 321. The limit rod 321 is installed on one side of a cooling pipe 72. The cooling pipe 72 is embedded with the exhaust pipe 71. One side of the cooling pipe 72 is connected to a cold air delivery pipe 73. The cold air delivery pipe 73 is connected to a refrigerator 74.

[0029] In the present embodiment, the heater 61 is started to heat the heat sink 62 and thus the temperature in the combustion furnace 3 is increased so that VOCs produce harmless substances such as carbon dioxide and water under the catalytic action of CO for discharge. When the combustion furnace 3 heats up for reaction, the pressure in the furnace will increase, thereby pressing the pressure piston 52 to compress the pressure spring 53. The pressure spring 53 makes the pressure shaft 54 ​​contact the pressure sensor 55 to monitor the pressure in the furnace in real time. When the pressure exceeds the preset value, the pressure relief pipe 56 is opened to release part of the gas to return to the exhaust gas passage 1 for secondary reaction, thereby avoiding the explosion of the combustion furnace 3 due to excessive pressure. The refrigerator 74 is used to pass cold air from the cold air delivery pipe 73 into the cooling pipe 72, thereby cooling the exhaust pipe 71, thereby avoiding the exhaust pipe from breaking under a long period of high temperature, causing high-temperature gas leakage, thereby causing a safety accident. The exhaust pipe cooling component 7 can be disassembled by separating the limiting rod 321 from the limiting groove 32, thereby improving the convenience of assembly.

[0030] In specific applications, firstly, VOCs waste gas is introduced from the waste gas passage 1, and the waste gas enters the adsorption block 11 and reaches the adsorption plug plate 21 through the waste gas channel 12. The adsorption plug plate 21 can filter out large particles of harmful impurities in the waste gas to prevent impurities from being discharged into the air and affecting the working environment. The treated waste gas enters the combustion furnace 3 from the closed air pipe 24, and the air pump 42 is started to input the CO in the CO loading barrel from the gas pipe 43 into the combustion furnace 3 to mix with the waste gas. The heater 61 is started to make the heat dissipation block 62 heat up, thereby raising the temperature in the combustion furnace 3 so that VOCs produce harmless substances such as carbon dioxide and water under the catalytic effect of CO for discharge. When the combustion furnace 3 heats up and reacts, the pressure in the furnace will increase, thereby pressing the pressure piston 52 to compress the pressure spring 53. The pressure spring 53 makes the pressure shaft 54 ​​contact the pressure sensor 55 to monitor the pressure in the furnace in real time. When the pressure exceeds the preset value, the pressure relief pipe 56 is opened to release part of the gas and return it to the waste gas passage 1 for the second The secondary reaction prevents the combustion furnace 3 from exploding due to excessive pressure. The treated exhaust gas is discharged from the exhaust pipe 71, and the refrigerator 74 passes the cold air from the cold air delivery pipe 73 into the cooling pipe 72, thereby cooling the exhaust pipe 71 to prevent the exhaust pipe from breaking under a long period of high temperature, causing leakage of high-temperature gas, thereby causing a safety accident. The sealing plug 22 provided on the adsorption plug plate 21 can prevent exhaust gas leakage and improve safety. After the work is completed, the adsorption plug plate 21 can be pulled out of the slot 13 of the adsorption block 11 for cleaning, which is convenient and fast and improves the adsorption efficiency. The mounting tube 231 can be installed by using the outer thread 232 and the spiral mounting hole 23 to realize the rapid assembly and disassembly of the adsorption block 11, which greatly improves the flexibility of the device and improves the convenience in transportation and adaptation to different exhaust gas treatments. The exhaust pipe cooling component 7 can be disassembled by separating from the limiting groove 32 through the limiting rod 321, thereby improving the convenience of assembly.

[0031] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top end", "bottom end", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A CO catalytic combustion furnace for reducing the temperature of an exhaust pipe, comprising an exhaust gas passage pipe (1) and an adsorption assembly (2) arranged on one side of the exhaust gas passage pipe (1), characterized in that: One side of the adsorption component (2) is connected to the combustion furnace (3), a CO adding component (4) is provided on the top of the combustion furnace (3), a pressure control component (5) and a heating component (6) are provided on both sides, and an exhaust pipe cooling component (7) is provided on one side of the combustion furnace (3).

2. A CO catalytic combustion furnace for reducing exhaust pipe temperature according to claim 1, characterized in that: The exhaust gas passage (1) is connected to an adsorption block (11), the adsorption block (11) is provided with an exhaust gas passage (12), one side of the exhaust gas passage (12) is provided with a slot (13), the slot (13) is engaged with an adsorption plug plate (21), and the adsorption plug plate (21) is provided with a sealing plug (22).

3. A CO catalytic combustion furnace for reducing exhaust pipe temperature according to claim 2, characterized in that: A spiral mounting hole (23) is provided on one side of the adsorption block (11), the spiral mounting hole (23) is engaged with a mounting tube (231), a thread (232) is provided on the outside of the mounting tube (231), one end of the mounting tube (231) is engaged with a sealed air pipe (24), and the sealed air pipe (24) is installed on one side of the combustion furnace (3).

4. A CO catalytic combustion furnace for reducing exhaust pipe temperature according to claim 1, characterized in that The CO adding component (4) includes a CO loading barrel (41), the CO adding barrel (41) is connected to an air pump (42), the air pump (42) is connected to a gas pipe (43), and the gas pipe (43) is connected to a combustion furnace (3).

5. A CO catalytic combustion furnace for reducing exhaust pipe temperature according to claim 1, characterized in that: The pressure control component (5) comprises a pressure tube (51), a pressure piston (52) is embedded inside the pressure tube (51), the pressure piston (52) is connected to a pressure spring (53), the pressure spring (53) is connected to a pressure shaft (54), the pressure shaft (54) is connected to a pressure sensor (55), a pressure relief tube (56) is provided below the pressure sensor (55), and the pressure relief tube (56) is connected to the exhaust gas passage (1).

6. A CO catalytic combustion furnace for reducing exhaust pipe temperature according to claim 1, characterized in that: The heating assembly (6) comprises a heater (61), the heater (61) is connected to a heat sink (62), the heat sink (62) is arranged inside the combustion furnace (3), a combination groove (31) is provided on one side of the combustion furnace (3), the combination groove (31) is provided with a limit groove (32), and an exhaust pipe (71) is provided on one side of the combination groove (31).

7. A CO catalytic combustion furnace for reducing exhaust pipe temperature according to claim 6, characterized in that: The limiting groove (32) is engaged with a limiting rod (321), the limiting rod (321) is installed on one side of the cooling pipe (72), the cooling pipe (72) is engaged with the exhaust pipe (71), one side of the cooling pipe (72) is connected to a cold air delivery pipe (73), and the cold air delivery pipe (73) is connected to a refrigerator (74).

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