Front-filtering double-chamber RTO (Regenerative Thermal Oxidation) purification treatment device

Abstract

The utility model relates to the technical field of waste gas treatment devices, and discloses a front-filtering double-chamber RTO (Regenerative Thermal Oxidation) purification treatment device which comprises a filtering box, a waste gas treatment box body and a cooling cylinder, a metal filter screen, an activated carbon filter screen and an HEPA efficient filter screen are sequentially arranged in the filter box from front to back, a first connecting pipe is connected to the outer wall of the rear end of the filter box in a penetrating mode, and a first combustion chamber and a second combustion chamber are formed in the front end and the rear end of the waste gas treatment box body correspondingly. According to the utility model, the metal filter screen, the activated carbon filter screen and the HEPA filter screen are matched for use, so that waste gas input into the filter box through the gas inlet pipe is conveniently pretreated, impurities such as dust in the waste gas are filtered, and the impurities such as the dust are prevented from blocking a subsequent transmission pipeline to a certain extent; and the service life of the pre-filtering double-chamber RTO purification treatment device is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment devices, in particular to a double-chamber RTO purification treatment device with pre-filtration. Background Art

[0002] The dual-chamber RTO purification treatment device is a high-efficiency purification equipment used to treat industrial waste gas emissions. The dual-chamber RTO purification treatment device can oxidize and decompose volatile organic compounds and other pollutants in the exhaust gas and convert them into harmless carbon dioxide and water vapor, thereby achieving the purpose of purifying the air and protecting the environment.

[0003] However, most of the dual-chamber RTO purification treatment devices currently available on the market are not convenient for pre-treating the exhaust gas to be purified and filtering impurities such as dust in the exhaust gas, which may cause dust to block the pipeline, affect the exhaust gas treatment operation, and reduce the service life of the dual-chamber RTO purification treatment device.

[0004] Therefore, those skilled in the art provide a dual-chamber RTO purification treatment device with pre-filtration to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a double-chamber RTO purification treatment device with pre-filtration is proposed. Cooling water is connected to the water inlet pipe and discharged through the drain pipe to complete the cooling work of the purified exhaust gas entering the inner cylinder, which can effectively reduce the generation of nitrogen oxides in the purified exhaust gas, reduce pollution to the environment, and reduce the thermal damage of the purified exhaust gas to the surrounding environment and related equipment.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A dual-chamber RTO purification treatment device with pre-filtration, comprising a filter box, an exhaust gas treatment box and a cooling cylinder, wherein the outer wall of the front end of the filter box is connected with an air intake pipe, the interior of the filter box is sequentially provided with a metal filter screen, an activated carbon filter screen and a HEPA high-efficiency filter screen from front to back, and the outer wall of the rear end of the filter box is connected with a first connecting pipe;

[0008] The front end and the rear end of the exhaust gas treatment box are respectively provided with a first combustion chamber and a second combustion chamber, the rear end of the first connecting pipe penetrates the exhaust gas treatment box to the inside of the first combustion chamber, and the middle part of the exhaust gas treatment box is provided with an installation cavity, and the inside of the installation cavity is fixedly connected with a conduction pipe;

[0009] The conduction pipes all pass through the first combustion chamber and the second combustion chamber, a second connecting pipe is connected through the middle of the rear end outer wall of the exhaust gas treatment box, a plurality of connecting blocks are fixedly connected to the front and rear ends of the inner wall of the cooling cylinder, the outer walls of the plurality of connecting blocks on one side close to the center of the cooling cylinder are fixedly connected to the inner cylinder, and the second connecting pipe passes through the cooling cylinder and extends to the interior of the inner cylinder;

[0010] Through the above technical scheme, by using a metal filter, an activated carbon filter and a HEPA high-efficiency filter in combination, it is convenient to pre-treat the exhaust gas input into the filter box through the air intake pipe, and filter out impurities such as dust in the exhaust gas, thereby preventing impurities such as dust from clogging subsequent transmission pipelines to a certain extent, and extending the service life of the pre-filter dual-chamber RTO purification treatment device.

[0011] Furthermore, a second electrically controlled one-way valve is disposed inside the first connecting pipe, and a first electrically controlled one-way valve is disposed inside each of the conducting pipes;

[0012] Through the above technical solution, it is convenient to control the flow of exhaust gas inside the first connecting pipe through the second electrically controlled one-way valve, and to control the flow of exhaust gas inside the conduction pipe through the first electrically controlled one-way valve.

[0013] Furthermore, a first support seat is fixedly connected to the lower surface of the filter box, and a second support seat is fixedly connected to the lower end of the outer wall of the cooling cylinder;

[0014] Through the above technical solution, it is convenient to support the filter box through the first support seat, and to support the cooling cylinder through the second support seat.

[0015] Further, a first spark plug is disposed on the top surface of the first combustion chamber, and a second spark plug is disposed on the top surface of the second combustion chamber;

[0016] Through the above technical solution, it is convenient to ignite the natural gas injected into the first combustion chamber through the first spark plug, and to ignite the natural gas injected into the second combustion chamber through the second spark plug.

[0017] Furthermore, a first natural gas pipe is connected through the middle of the front end of the upper surface of the exhaust gas treatment box, and a first oxygen pipe is connected through one side of the front end of the upper surface of the exhaust gas treatment box;

[0018] Through the above technical solution, it is convenient to inject oxygen and natural gas into the interior of the first combustion chamber through the first oxygen pipe and the first natural gas pipe respectively.

[0019] Furthermore, a second natural gas pipe is connected through the middle of the rear end of the upper surface of the exhaust gas treatment box, and a second oxygen pipe is connected through one side of the rear end of the upper surface of the exhaust gas treatment box;

[0020] Through the above technical solution, oxygen and natural gas are respectively injected into the interior of the second combustion chamber through the second oxygen pipe and the second natural gas pipe.

[0021] Furthermore, a plurality of cooling straight pipes are arranged inside the inner cylinder, an exhaust pipe is connected through the middle of the outer wall of the rear end of the inner cylinder, and the rear end of the exhaust pipe passes through the cooling cylinder and extends to the outside of the cooling cylinder;

[0022] Through the above technical solution, the cooling effect of the exhaust gas is improved through multiple cooling straight pipes.

[0023] Furthermore, a water inlet pipe is connected through the front end of the upper end of the outer wall of the cooling cylinder, and a drain pipe is connected through the rear end of the lower end of the outer wall of the cooling cylinder;

[0024] The above technical solution makes it easy to connect cooling water to the outside through the water inlet pipe and discharge it through the drain pipe.

[0025] The utility model has the following beneficial effects:

[0026] 1. Compared with the existing dual-chamber RTO purification treatment devices on the market, the dual-chamber RTO purification treatment device with pre-filtration proposed by the utility model is convenient for pre-treating the exhaust gas input into the filter box through the air intake pipe, and filtering the dust and other impurities in the exhaust gas, thereby preventing the dust and other impurities from clogging the subsequent transmission pipelines to a certain extent, and extending the service life of the dual-chamber RTO purification treatment device with pre-filtration through the coordinated use of metal filter mesh, activated carbon filter mesh and HEPA high-efficiency filter mesh.

[0027] 2. Compared with the existing double-chamber RTO purification treatment devices on the market, the double-chamber RTO purification treatment device with pre-filtration proposed by the utility model connects cooling water to the water inlet pipe and discharges it through the drain pipe to complete the cooling of the purified exhaust gas entering the inner cylinder, which can effectively reduce the generation of nitrogen oxides in the purified exhaust gas, reduce pollution to the environment, and reduce the thermal damage of the purified exhaust gas to the surrounding environment and related equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a schematic diagram of the main structure of a dual-chamber RTO purification treatment device with pre-filtration proposed by the utility model;

[0029] Figure 2 This is an axial exploded schematic diagram of a pre-filtering dual-chamber RTO purification treatment device proposed by the utility model;

[0030] Figure 3 It is a partial axial section diagram of a dual-chamber RTO purification treatment device with pre-filtration proposed by the utility model;

[0031] Figure 4The utility model proposes a double-chamber RTO purification treatment device with pre-filtration Figure 2 The enlarged view of point A in the middle;

[0032] Figure 5 The utility model proposes a double-chamber RTO purification treatment device with pre-filtration Figure 3 Enlarged view of point B in the middle.

[0033] Legend:

[0034] 1. Filter box; 2. Exhaust gas treatment box; 3. Cooling cylinder; 4. First support seat; 5. Inlet pipe; 6. Metal filter; 7. Activated carbon filter; 8. HEPA high-efficiency filter; 9. First connecting pipe; 10. First combustion chamber; 11. Second combustion chamber; 12. First oxygen pipe; 13. First natural gas pipe; 14. Second oxygen pipe; 15. Second natural gas pipe; 16. First spark plug; 17. Second spark plug; 18. Second connecting pipe; 19. Second support seat; 20. Water inlet pipe; 21. Drain pipe; 22. Inner cylinder; 23. Connecting block; 24. Cooling straight pipe; 25. Exhaust pipe; 26. Installation cavity; 27. Conducting pipe; 28. First electric-controlled one-way valve; 29. ​​Second electric-controlled one-way valve. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] Reference Figure 1-5 The utility model provides an embodiment: a pre-filtering dual-chamber RTO purification treatment device, comprising a filter box 1, an exhaust gas treatment box 2 and a cooling cylinder 3, the outer wall of the front end of the filter box 1 is connected with an air intake pipe 5, the inside of the filter box 1 is sequentially provided with a metal filter screen 6, an activated carbon filter screen 7 and a HEPA high-efficiency filter screen 8 from front to back, and the outer wall of the rear end of the filter box 1 is connected with a first connecting pipe 9;

[0037] The front end and the rear end of the exhaust gas treatment box 2 are respectively provided with a first combustion chamber 10 and a second combustion chamber 11. The rear end of the first connecting pipe 9 penetrates the exhaust gas treatment box 2 to the interior of the first combustion chamber 10. A mounting cavity 26 is provided in the middle of the exhaust gas treatment box 2. A conducting pipe 27 is fixedly connected to the interior of the mounting cavity 26.

[0038] The conduction pipes 27 pass through the first combustion chamber 10 and the second combustion chamber 11. The middle of the outer wall at the rear end of the exhaust gas treatment box 2 is connected with a second connecting pipe 18. The front and rear ends of the inner wall of the cooling tube 3 are fixedly connected with a plurality of connecting blocks 23. The outer walls of the plurality of connecting blocks 23 on one side close to the center of the cooling tube 3 are fixedly connected with an inner tube 22. The second connecting pipe 18 passes through the cooling tube 3 and extends to the interior of the inner tube 22.

[0039] Cooling water is connected to the water inlet pipe 20 and discharged from the drain pipe 21 to complete the cooling of the purified exhaust gas entering the inner tube 22, which can effectively reduce the generation of nitrogen oxides in the purified exhaust gas, reduce pollution to the environment, and reduce the thermal damage of the purified exhaust gas to the surrounding environment and related equipment.

[0040] A second electrically controlled one-way valve 29 is provided inside the first connecting pipe 9, and a first electrically controlled one-way valve 28 is provided inside the conducting pipe 27, so as to control the exhaust gas flow inside the first connecting pipe 9 through the second electrically controlled one-way valve 29, and control the exhaust gas flow inside the conducting pipe 27 through the first electrically controlled one-way valve 28. A first support seat 4 is fixedly connected to the lower surface of the filter box 1, and a second support seat 19 is fixedly connected to the lower end of the outer wall of the cooling tube 3, so as to support the filter box 1 through the first support seat 4, and support the cooling tube 3 through the second support seat 19. A first spark plug 16 is provided on the top surface inside the first combustion chamber 10, and a second spark plug 17 is provided on the top surface inside the second combustion chamber 11, so as to ignite the natural gas injected into the first combustion chamber 10 through the first spark plug 16, and ignite the natural gas injected into the second combustion chamber 11 through the second spark plug 17. A first natural gas pipe 13 is connected through the middle of the front end of the upper surface of the exhaust gas treatment box 2, and a first natural gas pipe 13 is connected through the middle of the front end of the upper surface of the exhaust gas treatment box 2. A first oxygen pipe 12 is connected through one side of the front end, so that oxygen and natural gas can be injected into the first combustion chamber 10 through the first oxygen pipe 12 and the first natural gas pipe 13 respectively. A second natural gas pipe 15 is connected through the middle of the rear end of the upper surface of the exhaust gas treatment box 2. A second oxygen pipe 14 is connected through one side of the rear end of the upper surface of the exhaust gas treatment box 2. Oxygen and natural gas can be injected into the second combustion chamber 11 through the second oxygen pipe 14 and the second natural gas pipe 15 respectively. A plurality of cooling straight pipes 24 are arranged inside the inner tube 22. An exhaust pipe 25 is connected through the middle of the outer wall at the rear end of the inner tube 22. The rear end of the exhaust pipe 25 penetrates the cooling tube 3 and extends to the outside of the cooling tube 3. The cooling effect of the exhaust gas is improved by the plurality of cooling straight pipes 24. A water inlet pipe 20 is connected through the front end of the upper end of the outer wall of the cooling tube 3. A drain pipe 21 is connected through the rear end of the lower end of the outer wall of the cooling tube 3, so that cooling water can be connected to the outside through the water inlet pipe 20 and discharged through the drain pipe 21.

[0041] Working principle: When using the dual-chamber RTO purification treatment device with pre-filtration, firstly, the metal filter 6, the activated carbon filter 7 and the HEPA high-efficiency filter 8 are used in combination to facilitate filtering of dust and other impurities contained in the exhaust gas input into the filter box 1 through the intake pipe 5. Secondly, the second electrically controlled one-way valve 29 is opened to inject the exhaust gas into the first combustion chamber 10. Subsequently, the second electrically controlled one-way valve 29 is closed and oxygen and natural gas are respectively injected into the first combustion chamber 10 through the first oxygen pipe 12 and the first natural gas pipe 13, and then the natural gas is ignited through the first spark plug 16 to complete the preliminary purification of the exhaust gas. Secondly, open the first electrically controlled one-way valve 28 to inject the preliminarily treated exhaust gas into the second combustion chamber 11, and inject oxygen and natural gas into the second combustion chamber 11 through the second oxygen pipe 14 and the second natural gas pipe 15 respectively, and then ignite the natural gas through the second spark plug 17 to complete the secondary purification of the exhaust gas. Then, the purified exhaust gas is injected into the inner tube 22 through the second connecting pipe 18, and cooling water is connected to the outside through the water inlet pipe 20 and discharged through the drain pipe 21 to complete the cooling of the purified exhaust gas entering the inner tube 22. Finally, the exhaust gas passes through a plurality of cooling straight pipes 24 and is discharged through the exhaust pipe 25.

[0042] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A double-chamber RTO purification treatment device with pre-filtration, comprising a filter box (1), an exhaust gas treatment box (2) and a cooling cylinder (3), characterized in that: The outer wall at the front end of the filter box (1) is connected to an air inlet pipe (5), the interior of the filter box (1) is provided with a metal filter (6), an activated carbon filter (7) and a HEPA high-efficiency filter (8) in sequence from front to back, and the outer wall at the rear end of the filter box (1) is connected to a first connecting pipe (9); The front end and rear end of the exhaust gas treatment box (2) are respectively provided with a first combustion chamber (10) and a second combustion chamber (11); the rear end of the first connecting pipe (9) penetrates the exhaust gas treatment box (2) to the interior of the first combustion chamber (10); a mounting cavity (26) is provided in the middle of the interior of the exhaust gas treatment box (2); a conducting pipe (27) is fixedly connected to the interior of the mounting cavity (26); The conduction pipe (27) passes through the first combustion chamber (10) and the second combustion chamber (11); the middle of the rear end outer wall of the exhaust gas treatment box (2) is connected to a second connecting pipe (18); the front end and the rear end of the inner wall of the cooling tube (3) are fixedly connected to a plurality of connecting blocks (23); the outer wall of the plurality of connecting blocks (23) on one side close to the center of the cooling tube (3) is fixedly connected to an inner tube (22); the second connecting pipe (18) passes through the cooling tube (3) and extends to the interior of the inner tube (22).

2. A dual-chamber RTO purification treatment device with pre-filtration according to claim 1, characterized in that: A second electrically controlled one-way valve (29) is disposed inside the first connecting pipe (9), and a first electrically controlled one-way valve (28) is disposed inside the conducting pipe (27).

3. The dual-chamber RTO purification treatment device with pre-filtration according to claim 1 is characterized in that: The lower surface of the filter box (1) is fixedly connected to a first support seat (4), and the lower end of the outer wall of the cooling cylinder (3) is fixedly connected to a second support seat (19).

4. A dual-chamber RTO purification treatment device with pre-filtration according to claim 1, characterized in that: A first spark plug (16) is arranged on the top surface inside the first combustion chamber (10), and a second spark plug (17) is arranged on the top surface inside the second combustion chamber (11).

5. The dual-chamber RTO purification treatment device with pre-filtration according to claim 1 is characterized in that: A first natural gas pipe (13) is connected through the middle of the front end of the upper surface of the waste gas treatment box (2), and a first oxygen pipe (12) is connected through one side of the front end of the upper surface of the waste gas treatment box (2).

6. A dual-chamber RTO purification treatment device with pre-filtration according to claim 1, characterized in that: A second natural gas pipe (15) is connected through the middle of the rear end of the upper surface of the waste gas treatment box (2), and a second oxygen pipe (14) is connected through one side of the rear end of the upper surface of the waste gas treatment box (2).

7. The dual-chamber RTO purification treatment device with pre-filtration according to claim 1 is characterized in that: A plurality of cooling straight pipes (24) are arranged inside the inner cylinder (22), and an exhaust pipe (25) is connected to the middle of the outer wall of the rear end of the inner cylinder (22), and the rear end of the exhaust pipe (25) passes through the cooling cylinder (3) and extends to the outside of the cooling cylinder (3).

8. The dual-chamber RTO purification treatment device with pre-filtration according to claim 1 is characterized in that: The front end of the upper end of the outer wall of the cooling cylinder (3) is connected to a water inlet pipe (20), and the rear end of the lower end of the outer wall of the cooling cylinder (3) is connected to a drain pipe (21).

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