A waste gas treatment device for methyl compound reaction
By combining a cyclone separator and multi-stage filtration components with ultraviolet disinfection, the problems of frequent maintenance and high energy consumption in methyl compound reaction waste gas treatment equipment are solved, achieving efficient purification and environmental protection.
Patent Information
- Application Number
- CN202511235136.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-01
- Publication Date
- 2026-05-22
- Estimated Expiration
- 2045-09-01
AI Technical Summary
Existing methyl compound reaction waste gas treatment equipment requires frequent maintenance during use, increasing costs and energy consumption. Furthermore, the spray treatment section may cause secondary pollution, and the guide hood increases the flow resistance of waste gas, resulting in excessive load on the fan.
A cyclone separator is used for initial purification, and centrifugal force is used to settle large particles of impurities. Combined with multi-stage filtration components and ultraviolet disinfection structure, it achieves high-efficiency purification and reduces maintenance frequency, and reduces energy consumption through heat recovery.
It effectively avoids clogging, reduces maintenance costs and time, lowers energy consumption, ensures purification effect, avoids secondary pollution, and improves the environmental friendliness of the equipment.
Smart Images

Figure CN120939687B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of methyl compound reaction technology, specifically to a waste gas treatment device for methyl compound reaction. Background Technology
[0002] Methyl compounds are widely found in industrial waste gases, solvents, fuels, chemicals, and everyday consumer products. Because methyl compounds may pose potential hazards to the environment and human health, they need to be controlled and treated through effective waste gas treatment equipment. However, existing methyl compound reaction waste gas treatment equipment still has some problems in practical use. Most companies use small tower-type waste gas treatment equipment that cannot effectively remove multiple harmful substances at once, resulting in poor treatment effect and low efficiency.
[0003] To overcome the above-mentioned defects, existing technology 1 (Chinese Patent No. CN220878292U, Publication Date: May 3, 2024) discloses a waste gas treatment device, comprising: a waste gas treatment device body, a spray treatment section, and an adsorption treatment section. Both the spray treatment section and the adsorption treatment section are installed on the waste gas treatment device body. Waste gas enters the spray treatment section through the inlet and rises. The absorbent sprayed from the nozzles comes into countercurrent contact with the waste gas, transferring harmful molecules in the waste gas into the absorbent, which is then discharged from the drain pipe, thereby achieving the effect of purifying the waste gas. The arrangement of multiple spray treatment sections can improve the purification effect of the waste gas. The adsorption treatment section can adsorb impurities in the waste gas and can reabsorb some waste gas impurities that were not completely absorbed by the absorbent. Combined with the spray treatment section, it can achieve the effect of absorbing multiple harmful substances. The waste gas passes through the spray treatment section and the adsorption section... The treatment section achieves purification in one step, with high efficiency and good purification effect. Existing technology two (Chinese patent CN220834813U, published on April 26, 2024) describes a waste gas treatment device that uses a guide hood to diffuse waste gas, allowing it to spread evenly into the adsorption box, ensuring that the adsorbent at each location can adsorb the waste gas. Its technical solution is as follows: A waste gas treatment device includes a dry filter box, an adsorption box, a catalytic combustion furnace, and a chimney. The dry filter box and the adsorption box are connected by an adsorption inlet pipe, and the adsorption box and the chimney are connected by an adsorption outlet pipe. A first fan is installed on the adsorption outlet pipe. The adsorption inlet pipe is located above the adsorption box, and the adsorption outlet pipe is located below the adsorption box. An inverted quadrangular frustum-shaped guide hood is installed in the adsorption box, opening upwards to form an air inlet connected to the adsorption inlet pipe. The bottom and walls of the guide hood are provided with ventilation holes. This technology belongs to the field of waste gas treatment technology.
[0004] Existing technologies effectively improve the purification effect of exhaust gas through spraying and adsorption. However, in actual operation, the spraying and adsorption sections often require regular maintenance, which increases the workload and cost. Furthermore, the spraying section generates waste liquid, which may lead to secondary pollution. While the deflector helps guide the flow of exhaust gas, it also increases the resistance to the flow, thus overburdening the fan and increasing energy consumption. In addition, the overall structure requires frequent cleaning or replacement due to the accumulation of impurities during long-term use, further increasing maintenance costs and time.
[0005] To address the aforementioned issues, there is an urgent need for innovative design based on existing waste gas treatment equipment for methyl compound reactions. Therefore, we propose that waste gas treatment equipment for methyl compound reactions can effectively solve the above problems. Summary of the Invention
[0006] The purpose of this invention is to provide a waste gas treatment device for methyl compound reactions, in order to solve the problems mentioned in the background art. Currently, the market uses two treatment methods, spraying and adsorption, to effectively improve the waste gas purification effect. However, in actual operation, the spraying and adsorption sections often require regular maintenance, which increases the workload and cost. In addition, the spraying section generates waste liquid, which may cause secondary pollution. Although the set guide hood helps to guide the flow of waste gas, it also increases the resistance of the waste gas flow, thereby overloading the fan and increasing energy consumption. Furthermore, the overall structure requires frequent cleaning or replacement due to the accumulation of impurities during long-term use, which further increases the maintenance cost and time.
[0007] To achieve the above objectives, the present invention provides the following technical solution: a waste gas treatment device for methyl compound reactions, comprising a base, a treatment box mounted on the upper end of the base, a storage box mounted on the side of the treatment box, a cyclone separator mounted on the storage box, an inlet pipe connected to the input end of the cyclone separator, the top of the cyclone separator connected to the bottom of the treatment box via a first pipe, filter particles disposed at the bottom of the treatment box, and inclined plates staggeredly arranged at the bottom of the treatment box, a filter assembly installed inside the treatment box, and an outlet pipe mounted on the top side of the treatment box.
[0008] Preferably, a filter assembly is installed inside the processing box. The filter assembly includes a first filter plate installed inside the processing box, a second filter plate connected to the first filter plate by a support rod, and a filter bag installed under the second filter plate.
[0009] Preferably, the processing box side is connected to the storage box cavity via a transmission pipe, the transmission pipe being located at the side of the first filter plate, and the first filter plate being inclined.
[0010] Preferably, a conveying cylinder is installed on the processing box, a drive box is installed on the conveying cylinder, a piston is connected inside the drive box through a drive assembly, the piston is connected through the inside of the conveying cylinder, a pressure rod is provided at the bottom of the piston, the pressure rod extends through the conveying cylinder into the inside of the processing box, and the pressure rod is located at the upper end of the second filter plate.
[0011] Preferably, the drive assembly includes a motor installed inside the drive housing, and the output end of the motor is connected to a piston via a crankshaft.
[0012] Preferably, the lower end of the second filter plate is connected to a support plate by a spring, and the support plate is installed inside the processing box.
[0013] Preferably, the input end of the conveying cylinder is connected to an air intake pipe, which is symmetrically arranged on both sides of the piston. The output end of the conveying cylinder is connected to an air delivery pipe, and a one-way valve is installed on the air delivery pipe.
[0014] Preferably, a first insulation sleeve is provided on the outside of the cyclone separator, the gas transmission pipe is connected to the inner cavity of the first insulation sleeve, a second insulation sleeve is provided on the bottom side of the processing box, the inner cavity of the first insulation sleeve is connected to the inner cavity of the second insulation sleeve through a second pipe, and the gas transmission pipe and the second pipe are located on the same side of the first insulation sleeve.
[0015] Preferably, an ultraviolet disinfection structure is installed on the top of the processing box.
[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: the cyclone separator in this waste gas treatment equipment for methyl compound reactions prevents large particulate impurities from entering the subsequent filter components and causing blockage. The filter particles can efficiently adsorb pollutants in the waste gas, achieving preliminary purification of the waste gas. Furthermore, the impurities will slide along the side of the plate under the action of gravity and be transported to the storage box through the transmission pipeline, reducing maintenance costs and time. The specific details are as follows:
[0017] The equipment introduces exhaust gas into the cyclone separator through the air inlet pipe. Utilizing the principle of centrifugal sedimentation, denser impurities are thrown against the inner wall and slide into the storage box. This process can quickly intercept large particles of impurities, preventing them from entering the subsequent filter components and causing blockages. The storage box collects impurities in a centralized manner, reducing the frequency and cost of manual maintenance.
[0018] The filter particles in the treatment chamber first adsorb pollutants in the exhaust gas to achieve preliminary purification. The inclined plate extends the residence time of the exhaust gas to ensure full contact between gas and solid. The first filter plate intercepts fine impurities, and the filter bag accurately captures organic pollutants. The multi-stage synergy greatly improves the purification efficiency.
[0019] The motor inside the drive box drives the crankshaft to rotate, converting the rotational motion into the reciprocating motion of the piston, which in turn drives the pressure rod to squeeze the second filter plate. Combined with the rebound action of the spring at the lower end of the second filter plate, high-frequency vibration is generated, causing impurities on the surface of the filter bag to fall off, thus avoiding the interruption of waste gas treatment due to shutdown for dust cleaning.
[0020] The conveying cylinder, with its bidirectional intake and unidirectional exhaust design, sends gas through the gas delivery pipe into the first insulation jacket. As the exhaust gas flows in the cyclone separator, heat is transferred to the first insulation jacket. After absorbing the residual heat, the gas in the gas delivery pipe is transported to the second insulation jacket through the second pipe. This process heats and regenerates the filter particles at the bottom of the treatment box. The entire system requires no additional drive device, reducing equipment energy consumption and manufacturing costs.
[0021] The ultraviolet disinfection structure at the top of the treatment chamber releases ultraviolet rays of a specific wavelength to irradiate the filtered exhaust gas. The ultraviolet rays can destroy the structure of residual microorganisms in the exhaust gas, completely kill bacteria and other microorganisms, prevent them from spreading with the exhaust gas and causing secondary pollution, and improve the environmental friendliness of the equipment. Attached Figure Description
[0022] Figure 1 This is a schematic diagram of the overall structure of the present invention;
[0023] Figure 2 This is a schematic diagram of the overall side view structure of the present invention;
[0024] Figure 3 This is a schematic diagram of the overall rear view structure of the present invention;
[0025] Figure 4 This is a schematic diagram of the internal structure of the processing box of the present invention;
[0026] Figure 5 This is a schematic diagram of the connection structure between the processing box and the inclined plate of the present invention;
[0027] Figure 6 This is a schematic diagram of the internal structure of the drive box of the present invention;
[0028] Figure 7 This is a schematic diagram of the connection structure between the drive box and the motor of the present invention;
[0029] Figure 8 This is a schematic diagram of the internal structure of the conveying cylinder of the present invention;
[0030] Figure 9 This is a schematic diagram of the structure after the piston moves according to the present invention;
[0031] Figure 10 This is a schematic diagram of the internal structure of the first insulation sleeve of the present invention.
[0032] In the diagram: 1. Base; 2. Storage box; 3. Cyclone separator; 4. Air inlet pipe; 5. First pipe; 6. Processing box; 7. Inclined plate; 8. First filter plate; 9. Second filter plate; 10. Filter bag; 11. Support rod; 12. Air outlet pipe; 13. Transmission pipe; 14. Conveying cylinder; 15. Drive box; 16. Motor; 17. Crankshaft; 18. Piston; 19. Pressure rod; 20. Support plate; 21. Spring; 22. Inhalation pipe; 23. Air delivery pipe; 24. First insulation sleeve; 25. Second pipe; 26. Second insulation sleeve; 27. Ultraviolet disinfection structure. Detailed Implementation
[0033] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0034] Example 1: In this example, the staggered inclined plates 7 at the bottom of the treatment box 6 prevent exhaust gas from directly impacting the filter assembly, while extending the residence time of the exhaust gas in the filter particles, allowing the exhaust gas to fully contact the filter particles, such as... Figures 1-6The technical solution shown includes a base 1, a processing box 6 mounted on the upper end of the base 1, a storage box 2 mounted on the side of the processing box 6, a cyclone separator 3 mounted on the storage box 2, an air inlet pipe 4 connected to the input end of the cyclone separator 3, and the top of the cyclone separator 3 connected to the bottom of the processing box 6 via a first pipe 5. Filter particles are provided at the bottom of the processing box 6, and inclined plates 7 are staggered at the bottom of the processing box 6. A filter assembly is installed inside the processing box 6, and an air outlet pipe 12 is mounted on the top side of the processing box 6. The filter assembly includes a first filter plate 8 installed inside the processing box 6, a second filter plate 9 connected to the first filter plate 8 via a support rod 11, and a... The filter bag 10 and the side of the treatment box 6 are connected to the inner cavity of the storage box 2 via a transmission pipe 13. The transmission pipe 13 is located on the side of the first filter plate 8, which is inclined. An ultraviolet disinfection structure 27 is installed on the top of the treatment box 6. The base 1 facilitates the movement of the device to the required position, effectively improving the flexibility and applicability of the equipment. The waste gas generated by the reaction of methyl compounds enters the cyclone separator 3 through the air inlet pipe 4. The cyclone separator 3 works on the principle of centrifugal sedimentation. The waste gas rotates at high speed inside the cyclone separator 3. The denser impurities are thrown against the inner wall of the cyclone separator 3 by centrifugal force and then slide down the wall to the storage box 2 at the bottom, which is convenient for subsequent cleaning and prevents large particles from entering. The subsequent filtration components become clogged, extending their service life. The pre-purified exhaust gas, separated by the cyclone separator 3, enters the treatment chamber 6 through the first pipe 5. It first contacts the filter particles at the bottom of the treatment chamber 6. These filter particles efficiently adsorb pollutants in the exhaust gas, achieving preliminary purification. Furthermore, the staggered inclined plates 7 at the bottom of the treatment chamber 6 prevent direct impact of the exhaust gas on the filter components and extend the residence time of the exhaust gas in the filter particles, ensuring full contact between the exhaust gas and the filter particles. The airflow rises to the first filter plate 8, which is connected to the second filter plate 9 via a support rod 11. The filter bag 10 suspended below the second filter plate 9 captures organic pollutants in the exhaust gas. Impurities on the first filter plate 8 will slide along the side of the plate under the action of gravity and be transported to the storage box 2 through the transmission pipe 13. This reduces the accumulation of impurities on the surface of the first filter plate 8, reduces the complexity of the equipment structure, and reduces maintenance costs and time. The filtered gas passes through the ultraviolet disinfection structure 27 installed on the top of the treatment box 6. The ultraviolet disinfection structure 27 releases ultraviolet rays of a specific wavelength to irradiate the filtered waste gas. The ultraviolet rays can destroy any microorganisms that may remain in the waste gas, completely killing the microorganisms in the waste gas and preventing them from spreading with the exhaust gas and causing secondary pollution. The gas disinfected by ultraviolet rays is connected to the subsequent equipment through the gas outlet pipe 12 on the top side of the treatment box 6, which facilitates the subsequent treatment of the gas.
[0035] Example 2: In this example, the spring 21 rebounds, causing the second filter plate 9 to vibrate, thus dislodging impurities adhering to the surface of the filter bag 10. Online cleaning can be achieved without disassembling the filter bag 10, avoiding disruption to the continuity of waste gas treatment due to downtime for cleaning. Specifically, as follows... Figure 1 and Figures 6-9 As shown, the following is disclosed: a conveyor cylinder 14 is installed on the processing chamber 6, and a drive box 15 is installed on the conveyor cylinder 14. A piston 18 is connected inside the drive box 15 via a drive assembly. The piston 18 penetrates the interior of the conveyor cylinder 14, and a pressure rod 19 is provided at the bottom of the piston 18. The pressure rod 19 extends through the conveyor cylinder 14 into the interior of the processing chamber 6, and is located at the upper end of the second filter plate 9. The drive assembly includes a motor 16 installed inside the drive box 15. The output end of the motor 16 is connected to the piston 18 via a crankshaft 17. A support plate 20 is connected to the lower end of the second filter plate 9 via a spring 21. The support plate 20 is installed inside the processing chamber 6. When the motor 16 inside the drive box 15 is turned on, the output end of the motor 16 drives the crankshaft 17 to rotate. The crankshaft 17 converts the rotational motion into the reciprocating motion of the piston 18. The crankshaft 17 has a simple transmission structure, avoiding power loss. When the piston 18 moves up and down, it drives the pressure rod 19 to move up and down synchronously. The pressure rod 19 indirectly squeezes the second filter plate 9. Since the lower end of the second filter plate 9 is connected and fixed to the support plate 20 in the treatment box 6 by the spring 21, the spring 21 rebounds after squeezing, which can drive the second filter plate 9 to vibrate, causing the impurities attached to the surface of the filter bag 10 to fall off. Online cleaning can be achieved without disassembling the filter bag 10, avoiding the impact of shutdown cleaning on the continuity of exhaust gas treatment. At the same time, it ensures that the filter bag 10 maintains good air permeability for a long time and maintains a stable treatment air volume. The impurities after cleaning also flow back to the storage box 2 through the inclined surface of the first filter plate 8 and the transmission pipe 13, realizing closed-loop collection of impurities and avoiding secondary pollution caused by impurities scattering during the cleaning process.
[0036] Example 3: In this example, the one-way valve installed on the gas pipeline 23 ensures that gas is only transported towards the first insulation jacket 24, and the entire system does not require an additional drive device to provide power to the heat recovery structure, reducing the energy consumption and manufacturing cost of the equipment. Specifically, as follows... Figure 1 and Figures 6-10As shown, the following is disclosed: An air intake pipe 22 is connected to the input end of the conveying cylinder 14, symmetrically arranged on both sides of the piston 18; an air delivery pipe 23 is connected to the output end of the conveying cylinder 14, and a one-way valve is installed on the air delivery pipe 23; a first insulation sleeve 24 is provided on the outside of the cyclone separator 3, and the air delivery pipe 23 is connected to the inner cavity of the first insulation sleeve 24; a second insulation sleeve 26 is fitted on the bottom side of the processing box 6, and the inner cavity of the first insulation sleeve 24 is connected to the inner cavity of the second insulation sleeve 26 through a second pipe 25; the air delivery pipe 23 and... The second pipe 25 is located on the same side as the first insulation sleeve 24. When the piston 18 moves upward, the volume of the space below the conveying cylinder 14 increases, and the air pressure decreases, drawing in gas through the lower suction pipe 22. When the piston 18 moves downward, the volume of the space above increases, and the air pressure decreases, drawing in gas through the upper suction pipe 22 of the conveying cylinder 14. Therefore, regardless of whether the piston 18 moves upward or downward, the gas inside the conveying cylinder 14 will be squeezed into the gas delivery pipe 23, achieving bidirectional suction and unidirectional exhaust of the conveying cylinder 14, greatly improving gas delivery efficiency. The one-way valve on the gas delivery pipe 23 ensures that the gas is only delivered to the first insulation jacket 24, and the entire system does not require an additional drive device to provide power for the heat recovery structure, reducing the energy consumption and manufacturing cost of the equipment and lowering the operating noise. When the exhaust gas flows in the cyclone separator 3, it will transfer heat to the first insulation jacket 24, while the gas delivered by the gas delivery pipe 23 absorbs the heat in the first insulation jacket 24, and is then delivered to the second insulation jacket 26 on the bottom side of the treatment box 6 through the second pipe 25. The gas delivery pipe 23 and the second pipe 25 are installed on the same side of the first insulation jacket 24, which facilitates the movement of the delivered gas around the inner cavity of the first insulation jacket 24, prolongs the residence time of the gas in the first insulation jacket 24, and allows the gas to fully absorb the waste heat of the exhaust gas. This facilitates the delivery of the higher temperature gas to the second insulation jacket 26. The high temperature gas can decompose the organic pollutants adsorbed by the filter particles, restore the adsorption capacity of the filter particles, extend the service life of the filter particles, and reduce the problem of frequent filter particle replacement leading to downtime and reduced overall treatment efficiency.
[0037] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A waste gas treatment device for methyl compound reactions, comprising a base (1) and a treatment box (6) mounted on the upper end of the base (1), characterized in that, The processing box (6) is provided with a storage box (2) on its side. A cyclone separator (3) is installed on the storage box (2). An air inlet pipe (4) is connected to the input end of the cyclone separator (3). The top of the cyclone separator (3) is connected to the bottom of the processing box (6) through a first pipe (5). Filter particles are provided at the bottom of the processing box (6). Inclined plates (7) are staggered at the bottom of the processing box (6). A filter assembly is installed inside the processing box (6). An air outlet pipe (12) is installed on the top side of the processing box (6). The processing box (6) is equipped with a conveying cylinder (14), and a drive box (15) is installed on the conveying cylinder (14). A piston (18) is connected inside the drive box (15) through a drive assembly. The piston (18) is connected through the inside of the conveying cylinder (14). A pressure rod (19) is provided at the bottom of the piston (18). The pressure rod (19) extends through the conveying cylinder (14) into the processing box (6), and the pressure rod (19) is located at the upper end of the second filter plate (9). The drive assembly includes a motor (16) installed inside the drive housing (15), and the output end of the motor (16) is connected to a piston (18) via a crankshaft (17). The input end of the conveying cylinder (14) is connected to a suction pipe (22), which is symmetrically arranged on both sides of the piston (18). The output end of the conveying cylinder (14) is connected to a gas delivery pipe (23), which is equipped with a one-way valve. The cyclone separator (3) is provided with a first insulation sleeve (24) on the outside. The gas transmission pipe (23) is connected to the inner cavity of the first insulation sleeve (24). The bottom side of the processing box (6) is fitted with a second insulation sleeve (26). The inner cavity of the first insulation sleeve (24) is connected to the inner cavity of the second insulation sleeve (26) through the second pipe (25). The gas transmission pipe (23) and the second pipe (25) are located on the same side of the first insulation sleeve (24).
2. The waste gas treatment equipment for methyl compound reaction according to claim 1, characterized in that: The processing box (6) is equipped with a filter assembly, which includes a first filter plate (8) installed inside the processing box (6), a second filter plate (9) connected to the first filter plate (8) by a support rod (11), and a filter bag (10) installed under the second filter plate (9).
3. The waste gas treatment equipment for methyl compound reaction according to claim 2, characterized in that: The processing box (6) is connected to the inner cavity of the storage box (2) via a transmission pipe (13). The transmission pipe (13) is located at the side of the first filter plate (8), which is inclined.
4. The waste gas treatment equipment for methyl compound reaction according to claim 2, characterized in that: The lower end of the second filter plate (9) is connected to a support plate (20) by a spring (21), and the support plate (20) is installed inside the processing box (6).
5. The waste gas treatment equipment for methyl compound reaction according to claim 1, characterized in that: The top of the processing box (6) is equipped with an ultraviolet disinfection structure (27).
Citation Information
Patent Citations
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