RTO highly toxic gas safe purification treatment equipment

By mixing and igniting the purified waste gas with natural gas and oxygen in the RTO highly toxic gas purification treatment equipment to oxidize organic matter, and using a circulating pump for heat energy recovery, the problem of heat energy waste in traditional equipment is solved, and the efficient use of energy is achieved.

CN222335396UActive Publication Date: 2025-01-10SHANGHAI YIQING ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202420684439.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-06
Publication Date
2025-01-10
Estimated Expiration
2034-04-06

AI Technical Summary

Technical Problem

Traditional RTO (Regenerative Thermal Oxidizer) equipment for the safe purification and treatment of highly toxic gases cannot effectively utilize the thermal energy of the purified gas, resulting in energy waste.

Method used

The purified exhaust gas is transported to the combustion chamber, mixed with natural gas and oxygen, and ignited to oxidize organic matter into harmless substances. The high-temperature exhaust gas is then transported to a plate heat exchanger for heat recovery using a circulating pump.

Benefits of technology

This technology enables the recovery of heat energy from waste gas, reduces system energy consumption, and improves the practical performance of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of purification treatment equipment, and discloses RTO highly toxic gas safety purification treatment equipment which comprises a purification box, the front end of the inner bottom surface of the purification box is fixedly connected with a filter box, and one side of each of the inner top surface and the inner bottom surface of the filter box is fixedly connected with a plurality of activated carbon adsorption plates. When the RTO highly toxic gas safe purification treatment equipment is used, filtered waste gas enters the combustion chamber through the waste gas guide pipe, a proper amount of natural gas and oxygen are conveyed into the combustion chamber by opening the electric control valve, the waste gas enters the combustion chamber and then is mixed with the introduced natural gas and oxygen, and the mixture is ignited through electric sparks; in the combustion process, organic substances and other pollutants in the waste gas can be oxidized into harmless substances such as carbon dioxide and water vapor, the circulating pump is started, the purified high-temperature waste gas is conveyed to a heat source inlet of the plate-type heat exchange gas exchanger through the gas suction end of the circulating pump from the gas outlet end, and subsequent heat exchange of the waste gas is facilitated.
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Description

Technical Field

[0001] The utility model relates to the technical field of purification processing equipment, in particular to a safe purification processing equipment for RTO highly toxic gas. Background Art

[0002] As we all know, RTO is an air purification equipment used to treat organic waste gas. Highly toxic gas refers to highly toxic or dangerous gas that may pose a serious threat to human health and the environment. In the RTO system, highly toxic gas usually refers to chemical substances that can cause serious harm to the human body or the environment at low concentrations. These gases are usually highly irritating, toxic or flammable, so special treatment methods are required to ensure their safe discharge.

[0003] However, traditional RTO highly toxic gas safety purification and treatment equipment is usually unable to effectively utilize the heat energy in the purified gas, resulting in the purified high-temperature gas being directly discharged into the atmosphere, resulting in energy waste. Therefore, technical improvements are urgently needed. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a RTO highly toxic gas safety purification and treatment equipment is proposed. When the RTO highly toxic gas safety purification and treatment equipment is used, the filtered exhaust gas is introduced into the combustion chamber through the exhaust gas guide pipe, and an appropriate amount of natural gas and oxygen are respectively delivered to the combustion chamber by opening the electric control valve. After the exhaust gas enters the combustion chamber, it is mixed with the introduced natural gas and oxygen, and ignited by electric sparks. During the combustion process, organic matter and other pollutants in the exhaust gas will be oxidized into harmless substances such as carbon dioxide and water vapor. By starting the circulation pump, the purified high-temperature exhaust gas is transported from the suction end of the circulation pump to the heat source inlet of the plate heat exchanger from the exhaust end, which is convenient for subsequent heat exchange of the exhaust gas. The purified exhaust gas can be recovered through the heat exchanger to reduce the energy consumption of the system.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A RTO highly toxic gas safety purification and treatment device, comprising a purification box, a filter box is fixedly connected to the front end of the inner bottom surface of the purification box, a plurality of activated carbon adsorption plates are fixedly connected to one side of the inner top surface and the inner bottom surface of the filter box, a plurality of molecular sieve plates are fixedly connected to the other side of the inner top surface and the inner bottom surface of the filter box, an air induction pump is fixedly connected to the side of the front end of the inner bottom surface of the purification box close to the filter box, a plate heat exchanger is fixedly connected to the lower end of the outer wall of the other side of the purification box, an exhaust gas inlet and a heat source outlet are respectively provided at the lower and upper parts of the front end outer wall of the plate heat exchanger, and a heat source inlet and an exhaust gas outlet are respectively provided at the lower and upper parts of the rear end outer wall of the plate heat exchanger;

[0007] A combustion chamber is fixedly connected to the other side of the rear end of the bottom surface of the purification box, a natural gas intake pipe and an oxygen intake pipe are respectively connected to the two sides of the top surface of the combustion chamber, and a circulation pump is fixedly connected to one side of the rear end of the bottom surface of the purification box close to the combustion chamber.

[0008] Through the above technical scheme, compared with the existing RTO highly toxic gas safety purification treatment equipment, when the RTO highly toxic gas safety purification treatment equipment is used, the waste gas is conveniently transported to the filter box through the waste gas inlet pipe, and various organic matter, volatile organic compounds, toxic gases, etc. in the waste gas are effectively adsorbed through multiple activated carbon adsorption plates and molecular sieve plates with different pore sizes. The filtered waste gas is conveniently transported to the waste gas inlet through the air inlet pump, and the waste gas is preheated through the plate exchanger so that it is close to the combustion temperature later, thereby reducing energy consumption and having high practical performance.

[0009] Furthermore, the upper ends of the natural gas inlet pipe and the oxygen inlet pipe both pass through the purification box to the outside of the purification box and are both sleeved with electric control valves;

[0010] Through the above technical solution, the natural gas inlet pipe and the oxygen inlet pipe can be opened conveniently through the electric control valve to transport natural gas and oxygen.

[0011] Furthermore, the air suction end of the air suction pump passes through the filter box to the inside of the filter box, and the air outlet end of the air suction pump passes through the purification box to the outside of the purification box and is engaged with the exhaust gas inlet;

[0012] Through the above technical solution, the filtered exhaust gas can be easily transported to the exhaust gas inlet through the air inlet pump.

[0013] Furthermore, a guide pipe is connected through the other side of the top surface of the combustion chamber, and the guide pipe passes through the purification box to the outside of the purification box and is clamped with the exhaust gas outlet;

[0014] Through the above technical solution, the exhaust gas after heat exchange can be easily transported to the combustion chamber through the guide pipe.

[0015] Furthermore, the air intake end of the circulation pump passes through the combustion chamber to the inside of the combustion chamber, and the air outlet end of the circulation pump passes through the purification box to the outside of the purification box and is engaged with the heat source inlet;

[0016] Through the above technical solution, the exhaust gas after combustion can be easily transported to the heat source inlet through the circulation pump for subsequent heat exchange.

[0017] Furthermore, one side of the top surface of the filter box is connected with an exhaust gas inlet pipe, and the exhaust gas inlet pipe passes through the purification box and is connected with one side of the inner wall of the purification box;

[0018] Through the above technical solution, the exhaust gas can be easily transported to the filter box through the exhaust gas inlet pipe.

[0019] Furthermore, a gas analyzer and a spark plug are respectively provided on one side and the middle of the inner top surface of the combustion chamber;

[0020] Through the above technical solution, the gas analyzer can monitor the gas composition in the combustion chamber in real time, including oxygen, natural gas, organic matter in the exhaust gas and other pollutants. By monitoring these components, it can ensure that the proportion of the mixed gas is appropriate, which helps to control the progress of the combustion reaction and the exhaust gas purification effect.

[0021] Furthermore, a plc control panel is provided on the upper portion of the other side of the front end outer wall of the purification box;

[0022] Through the above technical solution, the air induction pump, circulation pump, gas analyzer, spark plug and electric control valve are electrically connected through the PLC control panel, so as to facilitate the control of their switching.

[0023] The utility model has the following beneficial effects:

[0024] 1. The utility model proposes a RTO highly toxic gas safety purification and treatment equipment. Compared with the existing RTO highly toxic gas safety purification and treatment equipment, when the RTO highly toxic gas safety purification and treatment equipment is used, the filtered exhaust gas is introduced into the combustion chamber through the exhaust gas guide pipe, and an appropriate amount of natural gas and oxygen are respectively delivered to the combustion chamber by opening the electric control valve. After the exhaust gas enters the combustion chamber, it is mixed with the introduced natural gas and oxygen, and ignited by electric sparks. During the combustion process, organic matter and other pollutants in the exhaust gas will be oxidized into harmless substances such as carbon dioxide and water vapor. By starting the circulation pump, the purified high-temperature exhaust gas is transported from the suction end of the circulation pump to the heat source inlet of the plate heat exchanger from the exhaust end, which is convenient for subsequent heat exchange of the exhaust gas. The purified exhaust gas can be recovered through the heat exchanger to reduce the energy consumption of the system.

[0025] 2. The utility model proposes an RTO highly toxic gas safety purification treatment equipment. Compared with the existing RTO highly toxic gas safety purification treatment equipment, when the RTO highly toxic gas safety purification treatment equipment is used, the waste gas is conveniently transported to the filter box through the waste gas inlet pipe, and various organic matter, volatile organic compounds, toxic gases, etc. in the waste gas are effectively adsorbed through a plurality of activated carbon adsorption plates and molecular sieve plates with different pore sizes. The filtered waste gas is conveniently transported to the waste gas inlet through the air inlet pump, and the waste gas is preheated through the plate exchanger so that it is close to the combustion temperature later, thereby reducing energy consumption and having high practical performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1This is an axonometric diagram of a RTO highly toxic gas safety purification and treatment equipment proposed by the utility model;

[0027] Figure 2 This is an axial section view of a filter box in a RTO highly toxic gas safety purification and treatment device proposed by the utility model;

[0028] Figure 3 This is an axonometric diagram of a RTO highly toxic gas safety purification and treatment device proposed by the utility model;

[0029] Figure 4 This is an axial section view of a combustion chamber in a RTO highly toxic gas safety purification treatment device proposed by the utility model;

[0030] Figure 5 for Figure 4 Enlarged view of point A in the middle.

[0031] Legend:

[0032] 1. Purification box; 2. Filter box; 3. Activated carbon adsorption plate; 4. Molecular sieve plate; 5. Exhaust gas inlet pipe; 6. Air pump; 7. Plate heat exchanger; 8. Exhaust gas inlet; 9. Exhaust gas outlet; 10. Heat source inlet; 11. Heat source outlet; 12. Guide pipe; 13. Combustion chamber; 14. Circulation pump; 15. Gas analyzer; 16. Spark plug; 17. Natural gas inlet pipe; 18. Oxygen inlet pipe; 19. Electric control valve; 20. PLC control panel. DETAILED DESCRIPTION

[0033] 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.

[0034] Reference Figure 1-5 , the utility model provides an embodiment: a RTO highly toxic gas safety purification and treatment equipment, including a purification box 1, the front end of the inner bottom surface of the purification box 1 is fixedly connected with a filter box 2, a plurality of activated carbon adsorption plates 3 are fixedly connected to one side of the inner top surface and the inner bottom surface of the filter box 2, a plurality of molecular sieve plates 4 are fixedly connected to the other side of the inner top surface and the inner bottom surface of the filter box 2, an air inlet pump 6 is fixedly connected to the side of the front end of the inner bottom of the purification box 1 close to the filter box 2, a plate heat exchanger 7 is fixedly connected to the lower end of the outer wall of the other side of the purification box 1, an exhaust gas inlet 8 and a heat source outlet 11 are respectively opened at the lower and upper parts of the front end outer wall of the plate heat exchanger 7, and a heat source inlet 10 and an exhaust gas outlet 9 are respectively opened at the lower and upper parts of the rear end outer wall of the plate heat exchanger 7;

[0035] A combustion chamber 13 is fixedly connected to the other side of the rear end of the inner bottom surface of the purification box 1, and a natural gas intake pipe 17 and an oxygen intake pipe 18 are respectively connected to the two sides of the inner top surface of the combustion chamber 13. A circulation pump 14 is fixedly connected to one side of the inner bottom surface of the purification box 1 near the combustion chamber 13 at the rear end.

[0036] Compared with the existing RTO highly toxic gas safety purification and treatment equipment, when the RTO highly toxic gas safety purification and treatment equipment is used, the waste gas is conveniently transported to the filter box 2 through the waste gas inlet pipe 5, and various organic matter, volatile organic compounds, toxic gases, etc. in the waste gas are effectively adsorbed through multiple activated carbon adsorption plates 3 and molecular sieve plates 4 with different pore sizes. The filtered waste gas is conveniently transported to the waste gas inlet 8 through the air inlet pump 6, and the waste gas is preheated through the plate exchanger so that it is close to the combustion temperature later, thereby reducing energy consumption and having high practical performance.

[0037] The upper ends of the natural gas intake pipe 17 and the oxygen intake pipe 18 both penetrate the purification box 1 to the outside of the purification box 1 and are both sleeved with an electric control valve 19. The electric control valve 19 is used to open the natural gas intake pipe 17 and the oxygen intake pipe 18 to transport natural gas and oxygen. The suction end of the air pump 6 penetrates the filter box 2 to the inside of the filter box 2, and the outlet end of the air pump 6 penetrates the purification box 1 to the outside of the purification box 1 and is snap-fitted with the exhaust gas inlet 8. The filtered exhaust gas is conveniently transported to the exhaust gas inlet 8 through the air pump 6. The other side of the top surface of the combustion chamber 13 is connected through a guide pipe 12, which penetrates the purification box 1 to the outside of the purification box 1 and is snap-fitted with the exhaust gas outlet 9. The exhaust gas after heat exchange is conveniently transported to the combustion chamber 13 through the guide pipe 12. The suction end of the circulation pump 14 penetrates the combustion chamber 13 to the inside of the combustion chamber 13, and the outlet end of the circulation pump 14 penetrates the purification box 1 to the outside of the purification box 1 and is snap-fitted with the heat source inlet 10. The pump 14 is convenient for conveying the exhaust gas after combustion to the heat source inlet 10 for subsequent heat exchange. A side of the top surface of the filter box 2 is connected with an exhaust gas inlet pipe 5, which penetrates the purification box 1 and is connected with a side of the inner wall of the purification box 1. The exhaust gas inlet pipe 5 is convenient for conveying the exhaust gas to the filter box 2. A gas analyzer 15 and a spark plug 16 are respectively provided on one side and the middle of the top surface of the combustion chamber 13. The gas analyzer 15 can monitor the gas composition in the combustion chamber 13 in real time, including oxygen, natural gas, organic matter and other pollutants in the exhaust gas. By monitoring these components, it can be ensured that the proportion of the mixed gas is appropriate, which helps to control the progress of the combustion reaction and the exhaust gas purification effect. A plc control panel 20 is provided on the upper part of the other side of the front end outer wall of the purification box 1, and is electrically connected to the air pump 6, the circulation pump 14, the gas analyzer 15, the spark plug 16 and the electric control valve 19 through the plc control panel 20, so as to control its switch.

[0038] Working principle: When in use, the waste gas is conveniently transported to the filter box 2 through the waste gas inlet pipe 5, and various organic matter, volatile organic compounds, toxic gases, etc. in the waste gas are effectively adsorbed through multiple activated carbon adsorption plates 3 with different pore sizes and molecular sieve plates 4. The filtered waste gas is conveniently transported to the waste gas inlet 8 through the air inlet pump 6, and the waste gas is preheated through the plate exchanger so that it is close to the combustion temperature later, thereby reducing energy consumption. The filtered waste gas is passed through the waste gas guide pipe 12 into the combustion chamber 13, and the electric control valve 19 is opened to respectively An appropriate amount of natural gas and oxygen is delivered to the combustion chamber 13. After the exhaust gas enters the combustion chamber 13, it is mixed with the introduced natural gas and oxygen and ignited by an electric spark. During the combustion process, organic matter and other pollutants in the exhaust gas will be oxidized into harmless substances such as carbon dioxide and water vapor. By starting the circulation pump 14, the purified high-temperature exhaust gas is delivered from the intake end of the circulation pump 14 to the heat source inlet 10 of the plate heat exchanger from the outlet end, which is convenient for subsequent heat exchange of the exhaust gas. The purified exhaust gas can be recovered through the heat exchanger to reduce the energy consumption of the system.

[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is 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 RTO highly toxic gas safety purification and treatment device, comprising a purification box (1), characterized in that: The front end of the inner bottom surface of the purification box (1) is fixedly connected to a filter box (2), one side of the inner top surface and the inner bottom surface of the filter box (2) are fixedly connected to a plurality of activated carbon adsorption plates (3), the other side of the inner top surface and the inner bottom surface of the filter box (2) are fixedly connected to a plurality of molecular sieve plates (4), the front end of the inner bottom surface of the purification box (1) is fixedly connected to a side close to the filter box (2), the lower end of the outer wall of the other side of the purification box (1) is fixedly connected to a plate heat exchanger (7), the lower part and the upper part of the front end outer wall of the plate heat exchanger (7) are respectively provided with an exhaust gas inlet (8) and a heat source outlet (11), and the lower part and the upper part of the rear end outer wall of the plate heat exchanger (7) are respectively provided with a heat source inlet (10) and an exhaust gas outlet (9); The other side of the rear end of the inner bottom surface of the purification box (1) is fixedly connected to a combustion chamber (13), and the two sides of the inner top surface of the combustion chamber (13) are respectively connected to a natural gas intake pipe (17) and an oxygen intake pipe (18), and the side of the rear end of the inner bottom surface of the purification box (1) close to the combustion chamber (13) is fixedly connected to a circulation pump (14).

2. The RTO highly toxic gas safety purification treatment equipment according to claim 1 is characterized by: The upper ends of the natural gas inlet pipe (17) and the oxygen inlet pipe (18) both penetrate the purification box (1) to the outside of the purification box (1) and are both sleeved with an electric control valve (19).

3. The RTO highly toxic gas safety purification treatment equipment according to claim 2 is characterized by: The air intake end of the air induction pump (6) passes through the filter box (2) to the inside of the filter box (2), and the air outlet end of the air induction pump (6) passes through the purification box (1) to the outside of the purification box (1) and is engaged with the exhaust gas inlet (8).

4. The RTO highly toxic gas safety purification treatment equipment according to claim 1 is characterized by: A guide pipe (12) is connected through the other side of the inner top surface of the combustion chamber (13); the guide pipe (12) passes through the purification box (1) to the outside of the purification box (1) and is clamped with the exhaust gas outlet (9).

5. The RTO highly toxic gas safety purification treatment equipment according to claim 1 is characterized by: The air intake end of the circulation pump (14) passes through the combustion chamber (13) to the interior of the combustion chamber (13), and the air outlet end of the circulation pump (14) passes through the purification box (1) to the exterior of the purification box (1) and is engaged with the heat source inlet (10).

6. The RTO highly toxic gas safety purification treatment equipment according to claim 1 is characterized by: One side of the inner top surface of the filter box (2) is connected to an exhaust gas inlet pipe (5), and the exhaust gas inlet pipe (5) passes through the purification box (1) and is connected to one side of the inner wall of the purification box (1).

7. The RTO highly toxic gas safety purification treatment equipment according to claim 1 is characterized by: A gas analyzer (15) and an electric spark plug (16) are respectively arranged on one side and in the middle of the inner top surface of the combustion chamber (13).

8. The RTO highly toxic gas safety purification treatment equipment according to claim 1 is characterized by: A PLC control panel (20) is provided on the upper portion of the other side of the front end outer wall of the purification box (1).