Waste gas degradation device for VOCs waste gas treatment
By designing a waste gas degradation device with staggered buffer plates and mirror-image hole distribution, the problem of insufficient contact between VOCs waste gas and biofilm was solved, and efficient waste gas treatment was achieved.
Patent Information
- Application Number
- CN202422997406.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-12-05
AI Technical Summary
In the existing biodegradation method, VOCs waste gas does not come into sufficient contact with the biofilm, resulting in some waste gas being discharged directly without treatment.
A waste gas degradation device for VOCs waste gas treatment was designed, including a first buffer plate and a second buffer plate installed in an staggered and equidistant manner. The plates were made of solid wood, and the reserved holes were mirror-distributed along the vertical poles to enhance the contact area and contact efficiency between the waste gas and the biofilm.
It improves the contact efficiency between waste gas and biofilm, enhances the degradation efficiency of VOCs, and ensures that waste gas can be fully treated.
Smart Images

Figure CN223454028U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to waste gas treatment technical field, concretely is a kind of waste gas degradation device for VOCs waste gas treatment. BACKGROUND
[0002] Volatile organic compounds (VOCs) are important precursor substances of PM2.5 and ozone, and their contribution rate to PM2.5 in the atmosphere is about 20% to 40%. Part of PM2.5 is converted from VOCs. Under the action of sunlight and heat, VOCs can react to generate ozone, leading to a decrease in air quality and becoming the main component of photochemical smog and urban haze.
[0003] Volatile organic compounds (VOCs) are important precursor substances of PM2.5 and ozone, and their contribution rate to PM2.5 in the atmosphere is about 20% to 40%. In the semiconductor and pharmaceutical industries, the application of waste gas treatment technology is particularly important. There are many VOCs treatment technologies, one of which is biological degradation method. Biological degradation method involves setting up a microbial growth carrier in the structure, and under the condition of oxygen supply, microorganisms form a biofilm on the surface of the filler. The microorganisms in these biofilms can absorb and decompose organic matter in waste gas, thereby purifying waste gas. However, in the existing biological degradation method for treating waste gas technology, the problem of insufficient contact between waste gas and biofilm often occurs, resulting in direct discharge of part of the waste gas without treatment. Therefore, a waste gas degradation device for VOCs waste gas treatment is proposed to solve the above problems. SUMMARY
[0004] The utility model aims at providing a kind of waste gas degradation device for VOCs waste gas treatment, with the advantages of efficient contact with waste gas and biofilm, enhanced degradation efficiency, solve the problem of insufficient contact between waste gas and biofilm in prior art, resulting in direct discharge of part of the waste gas without treatment.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of waste gas degradation device for VOCs waste gas treatment, including cylinder, the cylinder top is fixedly installed with cover body, degradation assembly is movably inserted in the inside of the cylinder, the degradation assembly includes vertical rod, first buffer plate and second buffer plate, first buffer plate and second buffer plate are fixedly installed on the vertical rod with staggered and equidistant, first buffer plate rear end is equipped with first reserved hole, and second buffer plate front end is equipped with second reserved hole.
[0006] Preferably, the bottom of the barrel is fixedly provided with a bottom support frame, the front end of the bottom of the barrel is provided with an air inlet, the bottom of the rear end of the outer wall of the barrel is provided with a hole and is communicated with a liquid discharge pipe, and the liquid discharge pipe is fixedly provided with an angle valve.
[0007] Preferably, the air inlet is communicated with an air inlet pipe, and the air inlet pipe is designed in an L-shaped structure and extends upwards along the outer wall of the barrel.
[0008] Preferably, the cover body is designed in a conical structure, is provided with a hole at the top and is communicated with an air outlet pipe, and the cover body is fixedly connected with the top of the barrel by means of mounting screws. In the design, the conical structure helps to reduce the space occupation, and meanwhile, the hole design at the top facilitates the circulation of gas, the air outlet pipe is communicated with the hole at the top of the cover body, the treated gas is discharged, the internal pressure is reduced, and the treatment efficiency is improved.
[0009] Preferably, the degradation assembly is in contact with the inner wall of the barrel but is not fixedly connected, and the degradation assembly is fixedly provided with a handle at the bottom and the top. In the design, the degradation assembly is in contact with the inner wall of the barrel but is not fixedly connected, which facilitates installation and replacement, and meanwhile, the handle design makes the operation more convenient, and the non-fixed connection of the degradation assembly provides a certain flexibility to facilitate maintenance requirements.
[0010] Preferably, the first buffer plate and the second buffer plate are both designed in solid wood material, and the first buffer plate and the second buffer plate are matched in size. In the design, the first buffer plate and the second buffer plate are designed in solid wood material, which is environmentally friendly and has good biocompatibility, is helpful to the growth and adhesion of microorganisms, and meanwhile, the first buffer plate and the second buffer plate are matched in size, which ensures the consistency and stability of the structure and is also convenient for maintenance and replacement.
[0011] Preferably, the first reserved hole and the second reserved hole are mirror-imaged distributed along the stand, and the second reserved hole on the second buffer plate at the bottom is matched with the opening position of the air inlet. In the design, the first reserved hole and the second reserved hole are mirror-imaged distributed along the stand, which is helpful to the uniform distribution and upward movement of the exhaust gas in the barrel and improves the contact efficiency of the exhaust gas and the microorganisms, and meanwhile, the second reserved hole on the second buffer plate at the bottom is matched with the opening position of the air inlet, which ensures that the exhaust gas can smoothly enter and be uniformly distributed, and improves the treatment efficiency.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0013] The utility model discloses a degradation assembly includes vertical rod, first buffer board and second buffer board, these buffer boards stagger and equidistance fixed mounting, make the waste gas when passing can contact more biological membrane. This design increases the contact area of waste gas and biological membrane, thereby improves the contact efficiency. The first buffer board rear end is provided with first reserved hole, and the second buffer board front end is provided with second reserved hole, and these reserved holes are along the vertical rod mirror image distribution. This design helps the uniform distribution and rising of waste gas in the cylinder, improves the contact efficiency of waste gas and microorganism. The first buffer board and second buffer board all adopt solid wood material quality design, and the size is matched. Solid wood material quality is environmental protection and has good biological compatibility, helps the growth and adhesion of microorganism, and the size matching guarantees the consistency and stability of structure, and also convenient maintenance and replacement. The device passes through the optimization structure design, strengthens the contact of waste gas and microorganism, thereby improves the degradation efficiency. Through the above -mentioned design, the device solves the problem that part waste gas is not treated and is discharged directly in the prior art that waste gas and biological membrane contact is not sufficient. Through increasing the contact area, optimizing the airflow distribution and improving the biological compatibility of biological membrane, ensure that waste gas can be treated more effectively.
[0014] In conclusion, the VOCs waste gas treatment waste gas degradation device effectively improves the contact efficiency of waste gas and biological membrane through its unique structure design and optimization, and enhances the degradation efficiency, solves some main problems in the prior art. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the front view structure schematic drawing of the utility model;
[0016] Figure 2 It is the section structure schematic drawing of the utility model;
[0017] Figure 3 It is the degradation assembly structure schematic drawing of the utility model;
[0018] Figure 4 It is the explosion structure schematic drawing of the utility model.
[0019] In the drawing: 1, cylinder;11, drain pipe;111, angle valve;12, air inlet;13, bottom support frame;2, cover body;21, air outlet pipe;3, air inlet pipe;4, degradation assembly;41, vertical rod;42, first buffer board;421, first reserved hole;422, handle;43, second buffer board;431, second reserved hole. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0021] Embodiment one
[0022] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the utility model provides an embodiment: a kind of waste gas degradation device for VOCs waste gas treatment, including cylinder 1, cylinder 1 top is fixedly installed with cover 2, degradation assembly 4 is movably inserted in the inside of cylinder 1, degradation assembly 4 includes vertical rod 41, first buffer plate 42 and second buffer plate 43, first buffer plate 42 and second buffer plate 43 are fixedly installed on vertical rod 41 with staggered and equidistant, first buffer plate 42 rear end is equipped with first reserved hole 421, second buffer plate 43 front end is equipped with second reserved hole 431.
[0023] Specifically, degradation assembly 4 includes vertical rod 41, first buffer plate 42 and second buffer plate 43, these buffer plates are fixedly installed with staggered and equidistant, so that waste gas can be contacted with more biofilm when passing.This design increases the contact area of waste gas and biofilm, thereby improving the contact efficiency.First buffer plate 42 rear end is equipped with first reserved hole 421, second buffer plate 43 front end is equipped with second reserved hole 431, these reserved holes are mirror image distribution along vertical rod 41.This design helps the uniform distribution and rising of waste gas in cylinder 1, improves the contact efficiency of waste gas and microorganism.Both first buffer plate 42 and second buffer plate 43 are designed with solid wood material, and the size is matched.Solid wood material is environmentally friendly and has good biocompatibility, which helps the growth and adhesion of microorganism, and the size matching ensures the consistency and stability of structure, and also facilitates maintenance and replacement.The device enhances the contact of waste gas and microorganism by optimizing the structure design, thereby improving the degradation efficiency.Through the above design, the device solves the problem that part of waste gas is directly discharged without treatment due to insufficient contact of waste gas and biofilm in the prior art.By increasing the contact area, optimizing airflow distribution and improving the biocompatibility of biofilm, it is ensured that waste gas can be more effectively treated.
[0024] In summary, the waste gas degradation device for VOCs waste gas treatment effectively improves the contact efficiency of waste gas and biofilm and enhances the degradation efficiency by its unique structure design and optimization, solves some main problems in the prior art.
[0025] Embodiment two
[0026] In order to facilitate the exhaust gas to be degraded in the interior of the cylinder and then be quickly discharged, as shown in Figure 1 , Figure 2 and Figure 4 , in the embodiment, a bottom support frame 13 is fixedly installed at the bottom of the cylinder 1, an air inlet 12 is formed at the front end of the bottom of the cylinder 1, a liquid discharge pipe 11 is communicated and installed at the bottom of the rear end of the outer wall of the cylinder 1, and an angular valve 111 is fixedly installed on the liquid discharge pipe 11. The bottom support frame 13 provides stable support to ensure the stability and safety of the cylinder 1 during use. The air inlet 12 is located at the front end of the bottom of the cylinder 1, which facilitates the introduction of exhaust gas and is beneficial to the full mixing of exhaust gas and treatment liquid. The liquid discharge pipe 11 and the angular valve 111 facilitate the discharge of liquid in the cylinder 1 during maintenance and cleaning. The design of the angular valve 111 makes the operation more convenient and accurately controls the discharge of liquid.
[0027] Further, an air inlet pipe 3 is communicated and installed at the air inlet 12. The air inlet pipe 3 adopts an L-shaped structure design and extends upward along the outer wall of the cylinder 1.
[0028] Further, the cover 2 adopts a conical structure design and is provided with an air outlet pipe 21 communicated and installed at the top opening. The cover 2 is fixedly connected with the top of the cylinder 1 by installation screws. The conical structure design helps to reduce space occupation, and the top opening design facilitates the circulation of gas. The air outlet pipe 21 is communicated with the top opening of the cover 2, which facilitates the discharge of treated gas, reduces internal pressure, and improves treatment efficiency.
[0029] Embodiment Three
[0030] In order to improve the adsorption of microorganisms on the first buffer plate and the second buffer plate, and facilitate the movement of exhaust gas in the cylinder, as shown in Figure 3 , in the embodiment, the degradation assembly 4 is in contact with the inner wall of the cylinder 1 but not fixedly connected, and a handle 422 is fixedly installed at the bottom and top of the degradation assembly 4. In the design, the degradation assembly 4 is in contact with the inner wall of the cylinder 1 but not fixedly connected, which facilitates installation and replacement. The design of the handle 422 makes the operation more convenient. The non-fixed connection of the degradation assembly 4 provides a certain flexibility to facilitate maintenance needs.
[0031] Further, the first buffer plate 42 and the second buffer plate 43 are both designed with solid wood material, and the sizes of the first buffer plate 42 and the second buffer plate 43 are matched. In the design, the first buffer plate 42 and the second buffer plate 43 are designed with solid wood material, which is environmentally friendly and has good biocompatibility, helping the growth and adhesion of microorganisms. The sizes of the first buffer plate 42 and the second buffer plate 43 are matched, ensuring the consistency and stability of the structure, and also facilitating maintenance and replacement.
[0032] Further, the first reserved holes 421 and the second reserved holes 431 are mirror image distributed along the stand rod 41, and the second reserved holes 431 on the bottommost second buffer plate 43 are matched with the opening position of the air inlet 12. In the design, the first reserved holes 421 and the second reserved holes 431 are mirror image distributed along the stand rod 41, which is helpful for the uniform distribution and rising of the exhaust gas in the cylinder body 1, improves the contact efficiency of the exhaust gas and the microorganisms, and the second reserved holes 431 on the bottommost second buffer plate 43 are matched with the opening position of the air inlet 12, so that the exhaust gas can smoothly enter and be uniformly distributed, and the treatment efficiency is improved.
[0033] In use, all components of the device are ensured to be intact, and a treatment liquid containing microorganisms is prepared, and the microorganisms will be used to degrade VOCs in the exhaust gas. The gas outlet pipe 21 at the top of the cover body 2 is disassembled, so that the treatment liquid containing microorganisms is added into the cylinder body 1, and the treatment liquid containing microorganisms is added into the cylinder body 1 through the opening at the top of the cover body 2 until the liquid level reaches the height of the top end of the air inlet pipe 3, but does not exceed the top end of the air inlet pipe 3, so as to ensure that the treatment liquid will not overflow through the air inlet pipe 3, and after the addition of the treatment liquid is completed, the gas outlet pipe 21 is reinstalled at the top opening of the cover body 2.
[0034] The exhaust gas is injected into the cylinder body 1 through the air inlet pipe 3, and the exhaust gas enters the cylinder body 1 through the air inlet 12. In the process of rising in the cylinder body 1, the exhaust gas flows through the first reserved holes 421 and the second reserved holes 431 on the first buffer plate 42 and the second buffer plate 43 of the degradation assembly 4, and the microorganisms on the buffer plates can fully adsorb VOCs in the exhaust gas. Due to the mirror image distribution design of the first reserved holes 421 and the second reserved holes 431, the exhaust gas rises along the predetermined path in the cylinder body 1, so as to ensure that the exhaust gas is fully contacted with the microorganisms on the degradation assembly 4, thereby realizing the degradation of VOCs. The exhaust gas after the degradation treatment is discharged from the device through the gas outlet pipe 21 on the cover body 2, and if it is necessary to replace the treatment liquid or discharge the liquid in the cylinder body 1, the liquid discharge valve 111 on the liquid discharge pipe 11 can be opened to discharge the liquid.
[0035] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the involved claims.
Claims
1. A waste degradation device for VOCs waste gas treatment, comprising a cylinder (1), a cover (2) is fixedly installed on the top of the cylinder (1), and a degradation assembly (4) is movably inserted into the inner side of the cylinder (1), characterized in that: the degradation assembly (4) comprises a vertical rod (41), a first buffer plate (42) and a second buffer plate (43), the first buffer plate (42) and the second buffer plate (43) are fixedly installed on the vertical rod (41) in an alternating and equidistant manner, a first reserved hole (421) is formed in the rear end of the first buffer plate (42), and a second reserved hole (431) is formed in the front end of the second buffer plate (43).
2. The exhaust degradation device for VOCs exhaust treatment according to claim 1, characterized in that, A bottom support frame (13) is fixedly installed on the bottom of the cylinder (1), an air inlet (12) is formed in the front end of the bottom of the cylinder (1), a drain pipe (11) is communicated and installed on the bottom of the rear end of the outer wall of the cylinder (1), and an angular valve (111) is fixedly installed on the drain pipe (11).
3. The exhaust degradation device for VOCs exhaust treatment according to claim 2, characterized in that, An air inlet pipe (3) is communicated and installed at the air inlet (12), the air inlet pipe (3) adopts an L-shaped structure design, and the air inlet pipe (3) extends upward along the outer wall of the cylinder (1).
4. The exhaust degradation device for VOCs exhaust treatment according to claim 1, characterized in that, The cover (2) adopts a conical structure design, an air outlet pipe (21) is communicated and installed on the top of the cover (2), and the cover (2) is fixedly connected with the top of the cylinder (1) through mounting screws.
5. The exhaust degradation device for VOCs exhaust treatment according to claim 1, characterized in that, The outer side of the degradation assembly (4) is in contact with the inner wall of the cylinder (1) but is not fixedly connected, and a handle (422) is fixedly installed on the bottom and top of the degradation assembly (4).
6. The exhaust degradation device for VOCs exhaust treatment according to claim 1, characterized in that, The first buffer plate (42) and the second buffer plate (43) are both designed of solid wood material, and the sizes of the first buffer plate (42) and the second buffer plate (43) are matched.
7. The exhaust degradation device for VOCs exhaust treatment according to claim 1, characterized in that, The first reserved hole (421) and the second reserved hole (431) are mirror-imaged distributed along the vertical rod (41), and the second reserved hole (431) on the bottommost second buffer plate (43) is matched with the formed position of the air inlet (12).