An energy-saving and environmentally friendly industrial waste gas ozone treatment device

Abstract

This utility model relates to the field of industrial waste gas treatment, and more particularly to an energy-saving and environmentally friendly industrial waste gas ozone treatment device. It includes a base plate, a treatment box, a temperature and humidity sensor, a VOCs concentration sensor, an exhaust pipe, an ozone concentration sensor, a filter box, and an inlet pipe. Using this utility model can significantly improve the stability of the oxidation reaction rate and pollutant degradation efficiency. Simultaneously, while achieving stable and efficient treatment, it minimizes ozone escape and waste caused by poor mixing, ensuring uniform mixing and complete reaction of ozone and waste gas.

Description

Technical Field

[0001] This utility model relates to the field of industrial waste gas treatment, and in particular to an energy-saving and environmentally friendly industrial waste gas ozone treatment device. Background Technology

[0002] Industrial production often generates waste gases containing pollutants such as volatile organic compounds (VOCs), odorous gases, and dust. The efficient treatment of VOCs in industrial waste gases has become a core task in the environmental protection field. Ozone oxidation technology, due to its broad-spectrum degradation capabilities for various pollutants such as formaldehyde, benzene, and hydrogen sulfide, has been widely applied in waste gas treatment scenarios in industries such as chemical, coating, and pharmaceutical manufacturing.

[0003] Traditional treatment equipment can effectively degrade pollutants, but it generally suffers from uneven mixing of ozone and exhaust gas and insufficient reaction, resulting in unstable treatment efficiency and ozone waste. Utility Model Content

[0004] The present invention aims to provide an energy-saving and environmentally friendly industrial waste gas ozone treatment device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: An energy-saving and environmentally friendly industrial waste gas ozone treatment device includes a base plate, a treatment box connected to the base plate, a temperature and humidity sensor and a VOCs concentration sensor connected to the treatment box, an exhaust pipe connected to the exhaust pipe's inner wall, an ozone concentration sensor connected to the treatment box, a filter box connected to the filter box, an air inlet pipe connected to the filter box, both the treatment box and the filter box having air inlets that cooperate with each other, a connecting shaft connected to the treatment box, a spiral guide plate connected to the connecting shaft that cooperates with the treatment box, a gas distribution pipe connected to the connecting shaft, a nozzle connected to the gas distribution pipe, an ozone generator and a suction pump connected to the base plate, an suction pipe connected to the ozone generator, a suction pipe connected to the suction pump, a connecting pipe connected to the suction pump, the connecting pipe passing through the treatment box and connected to the connecting shaft, the gas distribution pipe and the connecting pipe both communicating with the connecting shaft, and a controller connected to the treatment box.

[0006] Preferably, the filter box is detachably connected to a coarse filter screen and an activated carbon adsorption plate, the coarse filter screen and the activated carbon adsorption plate are slidably connected to the filter box, and the filter box is connected to a variable frequency induced draft fan.

[0007] Preferably, the coarse filter plate and the activated carbon adsorption plate are respectively connected to mounting plates, and the mounting plates are threaded with bolts, which are respectively threaded to the filter box. Preferably, the mounting plate is connected to a rubber filling pad, which cooperates with the filter box.

[0008] Preferably, the processing box is connected to an ultraviolet lamp.

[0009] Preferably, the connecting shaft is a hollow structure, the air distribution pipes are evenly distributed along the length of the connecting shaft, and the nozzles are arranged in a ring array.

[0010] The beneficial effects of this technical solution compared to existing technologies are as follows: (1) This scheme sets up a hollow connecting shaft, a spiral guide plate, a gas distribution pipe and nozzles, etc. Ozone is transported through the hollow connecting shaft to multiple gas distribution pipes that are evenly distributed along the axial direction, and finally ejected at high speed in the central axis area through the nozzles of the annular array. At the same time, the exhaust gas is forcibly constrained by the spiral guide plate, and its flow state changes from flat direct flow to continuous rotating turbulence, and the flow path is greatly extended. The high-speed injected ozone and the exhaust gas rotating along the spiral trajectory undergo violent shearing, penetration and diffusion on the entire cross-section of the treatment box. This dynamic and forced mixing mechanism breaks the limitation of gaseous pollutants and oxidants mixing by molecular diffusion in traditional devices, greatly increases the contact probability and reaction time of the two, thereby fundamentally ensuring the full contact and efficient reaction of ozone and pollutants, significantly improving the stability of oxidation reaction rate and pollutant degradation efficiency. At the same time, while achieving stable and efficient treatment, it avoids ozone escape and waste caused by poor mixing to the greatest extent, so that ozone and exhaust gas are mixed evenly and react fully.

[0011] (2) By setting up a filter box with a built-in removable coarse filter plate and activated carbon adsorption plate, dust and some VOCs in the exhaust gas can be effectively removed, providing a clean reaction environment for the downstream ozone-ultraviolet oxidation system, preventing dust from covering the ultraviolet lamp tubes and nozzles, ensuring long-term stable operation of the system, and reducing maintenance frequency. Furthermore, by adopting a filter plate fixing method with mounting plates, bolts, and rubber filling pads, quick and sealed installation and replacement of the filter plates are achieved. The rubber filling pads effectively prevent airflow short circuits, ensure the pretreatment effect, greatly simplify maintenance operations, and improve the ease of use of the equipment.

[0012] (3) By setting up temperature and humidity sensors, the temperature and humidity sensors and controllers can monitor the reaction environment in real time, providing data support for optimizing the temperature and humidity conditions of the ozone oxidation reaction, and further improving the stability and adaptability of the entire system's processing efficiency.

[0013] (4) By setting a VOCs concentration sensor and an ozone concentration sensor in the exhaust pipe, the system can adjust the ozone production and extraction rate in real time according to the exhaust gas concentration, thus avoiding energy waste; at the same time, it can monitor and decompose residual ozone, achieving the dual goals of energy saving and safe emission while ensuring the best treatment effect.

[0014] (5) By setting up ultraviolet lamps, ultraviolet light can catalyze the decomposition of ozone to produce more oxidizing hydroxyl radicals (·OH), which can more thoroughly degrade difficult-to-decompose organic pollutants, broaden the processing range of the equipment, and further ensure that the exhaust gas meets the emission standards. Attached Figure Description

[0015] Figure 1 This is a front sectional view of the present invention; Figure 2 This is a front view of the present invention; Reference numerals in the attached diagram: 1. Processing box; 2. Exhaust pipe; 3. Ozone concentration sensor; 4. VOCs concentration sensor; 5. Base plate; 6. Connecting pipe; 7. Air pump; 8. Ozone generator; 9. Air extraction pipe; 10. Spreader pipe; 11. Nozzle; 12. Air inlet; 13. Variable frequency fan; 14. Activated carbon adsorption plate; 15. Coarse filter plate; 16. Air inlet pipe; 17. Filter box; 18. Temperature and humidity sensor; 19. Ultraviolet lamp; 20. Spiral guide plate; 21. Connecting shaft; 22. Controller; 23. Mounting plate. Detailed Implementation

[0016] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments: like Figure 1-2The illustrated energy-saving and environmentally friendly industrial waste gas ozone treatment equipment includes a base plate 5, with a treatment chamber 1 connected to the top of the base plate 5. A temperature and humidity sensor 18 and a VOCs concentration sensor 4 are connected to the inner wall of the treatment chamber 1. The temperature and humidity sensor 18 is located on the upper middle side wall of the treatment chamber 1 to monitor environmental parameters in the optimal reaction zone. The VOCs concentration sensor 4 is located on the inner wall of the treatment chamber 1 adjacent to the outlet to monitor the final purification effect. An exhaust pipe 2 is connected to the treatment chamber 1, and an ozone VOCs concentration sensor 43 is connected to the inner wall of the exhaust pipe 2 to monitor the residual ozone concentration in the exhaust gas and prevent secondary pollution. The treatment chamber 1 is connected to a filter chamber 17, which is connected to an air inlet pipe 16. Both the treatment chamber 1 and the filter chamber 17 have air inlets 12, which cooperate with each other. A connecting shaft 21 is connected to the middle of the inner wall of the treatment chamber 1, and a spiral guide plate 20 is connected to the connecting shaft 21. The spiral guide plate 20 cooperates with the treatment chamber 1. When the exhaust gas passes through, it is forced to rotate and move forward along the trajectory of the spiral guide plate 20, which greatly prolongs the residence time of the exhaust gas in the reaction zone and forms turbulence, creating conditions for efficient mixing. The connecting shaft 21 is connected to a gas distribution pipe 10, which is connected to a nozzle 11. The connecting shaft 21 has a hollow structure, and the gas distribution pipes 10 are evenly distributed along the length of the connecting shaft 21. The nozzles 11 are arranged in a ring array. An ozone generator 8 and a vacuum pump 7 are connected to the top of the base plate 5. The ozone generator 8 is connected to a vacuum pipe 9, which is connected to the inlet of the vacuum pump 7. The outlet of the vacuum pump 7 is connected to a connecting pipe 6, which passes through the treatment box 1 and is connected to the connecting shaft 21. Both the gas distribution pipe 10 and the connecting pipe 6 are connected to the connecting shaft 21. The ozone generated by the ozone generator 8 is extracted by the vacuum pump 7 and pumped into the hollow connecting shaft 21 through the vacuum pipe 9 and the connecting pipe 6. It is then distributed to multiple gas distribution pipes 10 that are evenly distributed along the length of the connecting shaft 21. Finally, it is ejected at high speed and evenly into the exhaust gas vortex through nozzles 11 arranged in a ring array. It fully penetrates, shears, and mixes with the exhaust gas spiraling along the box wall, solving the problems of mixing dead zones and insufficient reaction in traditional technologies. A controller 22 is connected to the outer wall of the treatment chamber 1. A temperature and humidity sensor 18, a VOCs concentration sensor 4, an ozone / VOCs concentration sensor 43, an ozone generator 8, a vacuum pump 7, a variable frequency exhaust fan 13, and an ultraviolet lamp 19 are all electrically connected to the controller 22. Based on the outlet VOCs concentration, the controller 22 intelligently adjusts the power of the ozone generator 8 and the speed of the variable frequency exhaust fan 13 / vacuum pump 7 in reverse order, achieving "on-demand addition" and avoiding ozone and energy waste. When the ozone / VOCs concentration sensor 43 detects that residual ozone exceeds the standard, the controller 22 can automatically increase the power of the ultraviolet lamp 19 to decompose excess ozone using ultraviolet light, ensuring safe emissions.

[0017] like Figure 1As shown, a coarse filter plate 15 and an activated carbon adsorption plate 14 are detachably connected to the inner wall of the filter box 17. The coarse filter plate 15 is responsible for removing most of the dust and particulate matter in the exhaust gas; the activated carbon adsorption plate 14 adsorbs some volatile organic compounds (VOCs) and odorous gases. The coarse filter plate 15 and the activated carbon adsorption plate 14 are slidably connected to the filter box 17. A variable frequency induced draft fan 13 is connected to the bottom of the inner wall of the filter box 17, providing the power for the exhaust gas flow. The variable frequency induced draft fan 13 is an electric fan that adjusts the motor speed by changing the power supply frequency, thereby precisely controlling the air volume and air pressure. It is existing technology and will not be described in detail here. In this device, it is installed at the rear end of the filter box 17 and is responsible for sucking in the exhaust gas and pushing it through the entire system. By adjusting its frequency through the controller 22, energy-saving operation can be achieved according to the treatment requirements, and a stable airflow pressure can be maintained within the system.

[0018] like Figure 2 As shown, the coarse filter plate 15 and the activated carbon adsorption plate 14 are respectively connected to mounting plates 23. Each mounting plate 23 is threaded with several bolts, and each bolt is threaded to the filter box 17. Rubber filling pads are connected to the side of the two mounting plates 23 near the filter box 17, and the rubber filling pads cooperate with the filter box 17.

[0019] like Figure 1 As shown, several ultraviolet lamps 19 are connected in an array on the inner wall of the treatment box 1. Ultraviolet light can not only directly photolyze some pollutants, but also catalyze the decomposition of ozone in water or on the surface of objects to produce more oxidizing hydroxyl radicals (·OH), thereby more thoroughly degrading difficult-to-treat organic pollutants.

[0020] The specific implementation process is as follows: Industrial waste gas first enters the filter box 17 through the inlet pipe 16, and then passes through the coarse filter plate 15 and the activated carbon adsorption plate 14 in sequence to remove most of the dust and some VOCs. The pretreated waste gas enters the treatment box 1 through the inlet 12 under the action of the variable frequency induced draft fan 13. At the same time, the suction pump 7 pumps the ozone generated by the ozone generator 8 into the hollow connecting shaft 21 through the suction pipe 9 and the connecting pipe 6, and distributes it to each gas distribution pipe 10, and finally ejects it evenly through the annular array of nozzles 11.

[0021] The exhaust gas encounters ozone in the treatment chamber 1 and, under the forced flow guidance of the spiral guide plate 20, forms a rotating turbulent flow, fully mixing and reacting with the ozone. At this time, the ultraviolet lamp 19 emits ultraviolet light, working synergistically with the ozone to deeply oxidize and decompose pollutants. The temperature and humidity sensor 18 and the VOCs concentration sensor 4 within the treatment chamber 1 monitor the reaction environment and treatment effect in real time, transmitting the data to the controller 22. The controller 22 intelligently adjusts the output power of the ozone generator 8 and the speed of the suction pump 7 based on the VOCs concentration, achieving precise control. The purified gas is discharged through the exhaust pipe 2, where the ozone VOCs concentration sensor 43 monitors residual ozone. If the ozone level exceeds the standard, the controller 22 is alerted to increase the power of the ultraviolet lamp 19 for complete decomposition, ensuring safe emissions.

[0022] The above descriptions are merely embodiments of this utility model. Commonly known technical solutions and / or characteristics are not described in detail here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the technical solution of this utility model. These modifications and improvements should also be considered within the scope of protection of this utility model, and will not affect the effectiveness of the implementation of this utility model or the practicality of the patent. The scope of protection claimed in this application should be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. An energy-saving and environmentally friendly industrial waste gas ozone treatment device, characterized in that: The system includes a base plate (5), which is connected to a processing box (1). The processing box (1) is connected to a temperature and humidity sensor (18) and a VOCs concentration sensor (4). The processing box (1) is connected to an exhaust pipe (2). An ozone concentration sensor (3) is connected to the inner wall of the exhaust pipe (2). The processing box (1) is connected to a filter box (17). The filter box (17) is connected to an air inlet pipe (16). Both the processing box (1) and the filter box (17) are provided with air inlets (12). The two air inlets (12) cooperate with each other. The processing box (1) is connected to a connecting shaft (21). The connecting shaft (21) is connected to a spiral guide plate (20). The spiral guide plate (20) cooperates with the treatment box (1). The connecting shaft (21) is connected to the gas distribution pipe (10). The gas distribution pipe (10) is connected to the nozzle (11). The base plate (5) is connected to the ozone generator (8) and the air pump (7). The ozone generator (8) is connected to the air extraction pipe (9). The air extraction pipe (9) is connected to the air pump (7). The air pump (7) is connected to the connecting pipe (6). The connecting pipe (6) passes through the treatment box (1). The connecting pipe (6) is connected to the connecting shaft (21). The gas distribution pipe (10) and the connecting pipe (6) are both connected to the connecting shaft (21). The treatment box (1) is connected to the controller (22).

2. The energy-saving and environmentally friendly industrial waste gas ozone treatment equipment as described in claim 1, characterized in that: The filter box (17) is detachably connected to a coarse filter plate (15) and an activated carbon adsorption plate (14). The coarse filter plate (15) and the activated carbon adsorption plate (14) are slidably connected to the filter box (17). The filter box (17) is connected to a variable frequency induced draft fan (13).

3. The energy-saving and environment-friendly industrial waste gas ozone treatment equipment according to claim 2, characterized in that: The coarse filter plate (15) and the activated carbon adsorption plate (14) are respectively connected to mounting plates (23), and the mounting plates (23) are threaded with bolts, which are threaded to the filter box (17).

4. The energy-saving and environment-friendly industrial waste gas ozone treatment equipment according to claim 3, characterized in that: The mounting plate (23) is connected to a rubber filling pad, which is in cooperation with the filter box (17).

5. The energy-saving and environment-friendly industrial waste gas ozone treatment equipment according to claim 1, characterized in that: The processing box (1) is connected to an ultraviolet lamp (19).

6. The energy-saving and environment-friendly industrial waste gas ozone treatment equipment according to claim 1, characterized in that: The connecting shaft (21) is a hollow structure, the air distribution pipe (10) is evenly distributed along the length of the connecting shaft (21), and the nozzles (11) are arranged in a ring array.

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