Waste gas absorption device for carbon fiber material processing
By employing a rotary activated carbon plate and heating desorption technology in the waste gas absorption device for carbon fiber material processing, the problem of incomplete VOCs capture by static activated carbon plates has been solved, achieving efficient removal of harmful substances from waste gas.
Patent Information
- Application Number
- CN202520301190.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-02-25
AI Technical Summary
In existing technologies, statically installed activated carbon panels are not effective at capturing VOCs in waste gas, resulting in incomplete treatment of waste gas generated during carbon fiber processing, which harms the environment and human health.
A rotary carbon fiber material processing waste gas absorption device is designed. By installing a rotatable activated carbon adsorption plate in the airflow channel, the waste gas is made to circulate multiple times between the filter chambers using an axial flow fan, thereby increasing the contact frequency between VOCs and activated carbon. The VOCs are desorbed by heating with an electric heating rod.
It achieves dynamic capture and complete absorption of VOCs in exhaust gas, improves the removal efficiency of harmful substances, and ensures the thoroughness and safety of exhaust gas treatment.
Smart Images

Figure CN223901526U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to carbon fiber processing waste gas treatment field, specifically point to a kind of waste gas absorption device for carbon fiber material processing. BACKGROUND
[0002] Carbon fiber material has high strength, light weight, high temperature resistance, corrosion resistance, excellent electrical properties and very strong compression and bending resistance and other high-quality features, and in its production and processing process, industrial waste gas is generated, contains various harmful substances, dust and other harmful substances are absorbed by human body, which can harm health.
[0003] Adsorption concentration is a process in carbon fiber dust-containing waste gas treatment, which is mainly used to remove harmful components of VOCs in waste, and VOCs is stripped from waste gas by using the adsorption effect of activated carbon bed. Currently, in the equipment for adsorption concentration process, the activated carbon adsorption plate is generally arranged in the equipment by fixed installation. Under the action of flow, waste gas passes through the plate and is adsorbed by activated carbon. The activated carbon plate in static state captures VOCs substances passively. After waste gas passes through the plate once, VOCs substances in waste gas cannot be completely stripped. Therefore, waste gas generated in carbon fiber processing cannot be effectively and completely treated, and still harms the environment and human health after being discharged. Therefore, a waste gas absorption device for carbon fiber material processing is provided. UTILITY MODEL CONTENT
[0004] I. Technical problem to be solved
[0005] The technical problem to be solved by the utility model is that the activated carbon plate arranged in static state cannot completely remove VOCs substances in waste gas.
[0006] II. Technical scheme
[0007] To solve the above technical problem, the utility model provides a technical scheme of a waste gas absorption device for carbon fiber material processing, which comprises an airflow channel and an activated carbon adsorption plate.
[0008] The airflow channel is composed of a connecting pipe, a gas conveying pipe and a three-way pipe as a discharge end. The connecting pipe is connected with the gas conveying pipe and the discharge end at both ends, and a filter bin with a circular inner contour is arranged between them. The gas conveying pipe is connected with a carbon fiber material processing waste gas pretreatment device as a gas receiving end. The discharge end is connected with an exhaust port and a catalytic combustion device through the three-way pipe.
[0009] A driven shaft is rotatably connected in the filter bin. At least three frames are uniformly arranged on the driven shaft. The activated carbon adsorption plate is arranged in the frame. A power assembly for driving the driven shaft to rotate is arranged above the airflow channel.
[0010] Further, the power assembly comprises a transmission shaft, a support is externally connected to the connecting pipe, a motor is mounted on the support and is in transmission cooperation with the transmission shaft, a main pulley is mounted on the transmission shaft, a secondary pulley is mounted on the end of the driven shaft extending to the outside of the filter bin, and a transmission belt is connected between the main pulley and the secondary pulley.
[0011] Further, an axial flow fan capable of conveying air in forward and reverse directions is mounted in the connecting pipe.
[0012] Further, a partition is arranged on both sides of the filter bin, and a plurality of electric heating rods for heating the environment in the filter bin are mounted in the partition.
[0013] Further, flange interfaces are connected to the ends of the gas conveying pipe and the tee pipe.
[0014] III. Advantages
[0015] Compared with the prior art, the device focuses on the active carbon plate material statically installed in the carbon fiber processing waste gas adsorption and concentration equipment, and through the design of relevant structures and parts, the effect of improved rotary arrangement is achieved, so that the active carbon plate material can dynamically and actively capture VOCs substances in the waste gas in the airflow channel, thereby achieving a relatively complete harmful substance absorption effect. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 is the appearance structure diagram of the waste gas absorption device for carbon fiber material processing Figure 1 .
[0017] Figure 2 is the appearance structure diagram of the waste gas absorption device for carbon fiber material processing Figure 2 .
[0018] Figure 3 is the internal structure diagram of the waste gas absorption device for carbon fiber material processing Figure 1 .
[0019] Figure 4 is the internal structure diagram of the waste gas absorption device for carbon fiber material processing Figure 2 .
[0020] As shown in the figure: 1, the adapter pipe, 2, axial flow fan, 3, filter bin, 4, gas pipe, 5, tee, 6, support, 7, motor, 8, transmission shaft, 9, main pulley, 10, transmission belt, 11, sub-pulley, 12, driven shaft, 13, frame, 14, activated carbon adsorption plate, 15, partition, 16, electric heating rod, 17, flange interface. DETAILED DESCRIPTION
[0021] The utility model makes further detailed description in combination with the drawings.
[0022] To solve the above technical problems, the technical scheme provided by the utility model is: a waste gas absorption device for carbon fiber material processing, in combination with the drawings Figures 1-2 It comprises an airflow channel, the airflow channel is composed of an adapter pipe 1, a gas pipe 4 and a tee 5 as an exhaust end, the gas pipe 4 and the tee 5 are both connected with flange interfaces 17 at the ends, in combination with the drawings Figure 3 An axial flow fan 2 for forward and reverse airflow transmission is installed in the adapter pipe 1, the adapter pipe 1 is connected with the gas pipe 4 and the exhaust end at both ends and is provided with filter bins 3 with a circular inner contour, the gas pipe 4 is connected with a carbon fiber material processing waste gas pretreatment device, and the exhaust end is connected with an exhaust port and a catalytic combustion device through the tee 5;
[0023] The device is improved on the basis of the equipment used in the adsorption and concentration link in the treatment of waste gas generated in the production of carbon fiber materials, the activated carbon adsorption plate 14 is used to absorb the harmful VOCs components in the waste gas generated in the processing of carbon fiber materials, the technical scheme of the application divides the activated carbon adsorption area into two parts and connects an adapter pipe 1 with an axial flow fan 2 between the two areas, when the external upstream and downstream connecting pipelines of the device as an adsorption and concentration equipment are in a closed state, the axial flow fan 2 is reversed to make the waste gas in the airflow channel of the device circulate several times between the two filter bins 3, increase the contact frequency of VOCs substances in the waste gas and the activated carbon adsorption plate 14, and enhance the absorption effect of harmful substances in the waste gas;
[0024] In combination with the drawings Figures 1-4It also includes a plurality of activated carbon adsorption plate 14, the filter warehouse 3 in the rotating connection is provided with a driven shaft 12, the driven shaft 12 is uniformly provided with at least three frames 13, the activated carbon adsorption plate 14 is arranged in the frame 13, the airflow channel is provided with a power assembly for driving the rotation of the driven shaft 12, the power assembly includes a transmission shaft 8, the adapter pipe 1 is externally connected with a support 6, the support 6 is provided with a motor 7 which is in transmission cooperation with the transmission shaft 8, the transmission shaft 8 is provided with a main pulley 9, the driven shaft 12 extends to the outside of the filter warehouse 3 and is provided with a secondary pulley 11, and the main pulley 9 and the secondary pulley 11 are connected by a transmission belt 10;
[0025] By installing the activated carbon adsorption plate 14 on a rotating driven shaft 12, the motor 7 is operated, the transmission shaft 8 is rotated, and the activated carbon plate which is forced to absorb VOCs substances in a static state is rotated in the filter warehouse 3 under the action of the transmission assembly composed of the main pulley 9, the transmission belt 10 and the secondary pulley 11, and the VOCs substances in the airflow channel are actively captured, which greatly improves the harmful substances in the waste gas. In order to prevent waste gas from being missed from the dead angle, the frame 13 carrying the activated carbon adsorption plate 14 should be provided with more than three in a filter warehouse 3, and should be uniformly distributed. The inner contour of the filter warehouse 3 is circular to adapt to the rotating frame 13 to reduce the gap.
[0026] Combined with the attached Figure 3 The filter warehouse 3 is provided with a partition 15 on both sides, and a plurality of electric heating rods 16 for heating the environment in the filter warehouse 3 are arranged in the partition 15.
[0027] When the activated carbon adsorption plate 14 absorbs VOCs substances, it needs to be desorbed in a high temperature environment by heating. The device is provided with a plurality of electric heating rods 16 in the inner wall of the filter warehouse 3 to heat the filter warehouse 3 and the activated carbon adsorption plate 14. When heating, the activated carbon adsorption plate 14 saturated with VOCs substances can still rotate in the filter warehouse 3 by the above-mentioned method, so that each area of the activated carbon adsorption plate 14 can relatively and uniformly absorb heat to separate VOCs substances.
[0028] The utility model discloses in the specific implementation, according to the process flow of waste gas treatment in carbon fiber material processing, as the device that bears adsorption concentration link should be installed between waste gas pretreatment equipment and catalytic combustion equipment position, the gas pipe 4 is spliced together with the upstream equipment exhaust port, and one export of discharge end is spliced together with catalytic combustion equipment air inlet, and the other export of discharge end tee pipe 5 is mutually linked with the waste gas collection mechanism after removing VOCs harmfulness, and in a part of waste gas enters this device airflow passageway, the activated carbon adsorption board 14 in filter bin 3 is always in the rotating state, it will capture and absorb VOCs material in waste gas, after a certain amount of waste gas is passed, the gas supply pipeline connected with upstream and downstream of the device can be temporarily closed through corresponding air pump, valve, and the axial flow fan 2 in the connecting pipe 1 back and forth delivery waste gas under certain law, waste gas is reciprocated in two filter bins 3 under the action of axial flow fan 2, after a certain time, the remaining gas is discharged through relevant export, and the electric heating instrument in filter bin 3 partition 15 is started, and the activated carbon adsorption board 14 is heated and handled, and finally the desorbed VOCs material is discharged to catalytic combustion equipment and is treated with dust-containing waste gas next step.
[0029] The above describes the utility model and its implementation mode, and this kind of description has no limit, and the embodiment shown in the drawing is only one of the utility model, and the actual structure is not limited to this. In general, if the ordinary skilled person in the art is inspired, without departing from the utility model creation tenet, does not design the structure mode and the embodiment similar to this technical scheme with the creativity, all should belong to the protection scope of the utility model.
Claims
1. A kind of waste gas absorption device for carbon fiber material processing, including airflow channel and active carbon adsorption plate (14), it is characterized in that: The airflow channel is formed by adapter pipe (1), gas pipe (4) and three-way pipe (5) as discharge end, the adapter pipe (1) is respectively connected with gas pipe (4) and discharge end between two ends, and the filter bin (3) with the inner contour of circular is arranged, the gas pipe (4) is arranged in communication with carbon fiber material processing dust pretreatment equipment as gas receiving end, the discharge end is arranged in communication with exhaust port and catalytic combustion equipment through three-way pipe (5); The filter bin (3) is rotatably connected with driven shaft (12), at least three frames (13) are evenly installed on the driven shaft (12), and the active carbon adsorption plate (14) is arranged in the frame (13), and the airflow channel is provided with power assembly for driving the rotation of driven shaft (12) on the top.
2. The waste gas absorbing apparatus for processing carbon fiber material according to claim 1, characterized in that: The power assembly includes transmission shaft (8), the adapter pipe (1) is connected with support (6) outside, the support (6) is provided with motor (7) which is in driving cooperation with transmission shaft (8), the transmission shaft (8) is provided with main pulley (9), the driven shaft (12) is provided with auxiliary pulley (11) on the end extending to the outside of filter bin (3), and the main pulley (9) and auxiliary pulley (11) are connected with transmission belt (10).
3. The waste gas absorbing apparatus for processing carbon fiber material according to claim 1, characterized in that: The adapter pipe (1) is provided with axial fan (2) for forward and reverse airflow transmission.
4. The waste gas absorbing apparatus for processing carbon fiber material according to claim 2, characterized in that: The filter bin (3) is provided with partition layer (15) on both sides, and a plurality of electric heating rods (16) for heating the environment in the filter bin (3) are arranged in the partition layer (15).
5. The waste gas absorbing apparatus for processing carbon fiber material according to claim 1, characterized in that: The end of gas pipe (4) and three-way pipe (5) is connected with flange joint (17).