Tail gas treatment device
By using a rotary cylindrical container and spiral blades in the exhaust gas treatment device, the problems of large size and low purification efficiency of the exhaust gas treatment device are solved, achieving high-efficiency purification and miniaturization.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HELI FORKELEVATOR
- Filing Date
- 2025-05-08
- Publication Date
- 2026-04-10
AI Technical Summary
Existing exhaust gas treatment devices are large in size and have low purification efficiency, which affects the overall size of the equipment.
Design an exhaust gas treatment device that uses a rotary cylindrical container with a purification filter element inside. The filter element is coated with a catalyst on both the inner and outer walls, and combined with spiral blades to extend the exhaust gas path and enhance the reaction effect.
It achieves efficient purification of exhaust gas, reduces the size of the device, has complete functions, and is highly practical.
Smart Images

Figure CN224100397U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tail gas treatment technical field, more specifically, it relates to a tail gas treatment device. BACKGROUND
[0002] The tail gas treatment device is used for reducing the content of pollutants in the exhaust gas discharged by the emission source such as automobile and factory. The device is usually attached to the equipment emitting tail gas, and if its volume is large, it will affect the overall volume of the equipment. Accordingly, the utility model provides a tail gas treatment device. UTILITY MODEL CONTENTS
[0003] The utility model discloses a tail gas treatment device, which has the characteristics of small volume and high purification efficiency.
[0004] To solve the above technical problems, the utility model discloses a tail gas treatment device, which comprises a rotary cylindrical tail gas treatment container. One end of the tail gas treatment container is open, and the other end is closed. A purification filter core is coaxially arranged in the tail gas treatment container. The purification filter core is cylindrical. The inner and outer walls of the purification filter core are coated with a catalyst. A front pressure ring is arranged at one end of the purification filter core, and a rear pressure ring is arranged at the other end. A front support is connected between the front pressure ring and the tail gas treatment container. A rear support is connected between the rear pressure ring and the tail gas treatment container. The outer edge of the front pressure ring extends to the inner wall of the tail gas treatment container. A flow guide gap is formed between the rear pressure ring and the inner wall of the tail gas treatment container. An inner treatment channel extending in the axial direction is formed in the center of the purification filter core. An outer treatment channel extending in the axial direction is formed between the purification filter core and the tail gas treatment container. A valve hole is arranged on the front pressure ring and located outside the purification filter core.
[0005] The utility model further comprises a soft rubber valve embedded in the valve hole. A gas hole is arranged in the center of the soft rubber valve. A valve flap is arranged on the inner wall of the gas hole.
[0006] The utility model further comprises a first spiral blade arranged outside the purification filter core in the outer treatment channel. The outer side of the first spiral blade is connected to the inner wall of the tail gas treatment container.
[0007] The utility model further comprises a core shaft connected to the tail gas treatment container at one end. A second spiral blade is arranged on the core shaft and located inside the purification filter core.
[0008] The utility model further comprises a soft rubber valve embedded in the valve hole. A gas hole is arranged in the center of the soft rubber valve. A valve flap is arranged on the inner wall of the gas hole.
[0009] In summary, the utility model has the following beneficial effects: the utility model relates to a tail gas treatment device, which is arranged with a catalyst for purifying tail gas on the inner and outer walls of the purification filter element, and is matched with helical blades for prolonging the walking path of the tail gas, so that the tail gas entering the tail gas treatment device can fully react with the purification filter element, high purification efficiency is achieved, the device size can be greatly reduced, the overall function is perfect, and the utility model has high practicability. BRIEF DESCRIPTION OF DRAWINGS
[0010] Figure 1 is the overall structure schematic view of the utility model;
[0011] Figure 2 is the local structure schematic view of the utility model;
[0012] Figure 3 is the structure schematic view of another embodiment of the utility model. DETAILED DESCRIPTION
[0013] In order to make the skilled in the art better understand the technical scheme of the utility model, the preferred embodiment of the utility model is described below in combination with specific embodiments, but it should be understood that these descriptions are only for further illustrating the features and advantages of the utility model, and are not the limitation of the utility model patent claims. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the protection scope of the utility model.
[0014] The utility model is further illustrated below in combination with the drawings and the preferred embodiments.
[0015] Embodiment 1
[0016] Referring to Figure 1 and Figure 2As shown, the tail gas treatment device relates to an embodiment, including a tail gas treatment container 1 in the shape of a rotary column, one end of the tail gas treatment container 1 is open, the other end is closed, a purification filter core 2 is arranged coaxially in the tail gas treatment container 1, the purification filter core 2 is in the shape of a cylinder, the inner and outer walls of the purification filter core 2 are coated with a catalyst, one end of the purification filter core 2 is provided with a front pressing ring 3, the other end is provided with a rear pressing ring 4, a front support 5 is connected between the front pressing ring 3 and the tail gas treatment container 1, a rear support 6 is connected between the rear pressing ring 4 and the tail gas treatment container 1, the outer edge of the front pressing ring 3 extends to the inner wall of the tail gas treatment container 1, a flow guide gap 7 is formed between the rear pressing ring 4 and the inner wall of the tail gas treatment container 1, the center of the purification filter core 2 forms an inner treatment channel 8 extending in the axial direction, an outer treatment channel 9 extending in the axial direction is formed between the purification filter core 2 and the tail gas treatment container 1, a valve hole 10 is formed on the front pressing ring 3 and arranged outside the purification filter core, and the valve hole 10 is arranged in an equidistant angle annular array around the axis of the front pressing ring 3.
[0017] Further, the valve hole 10 is embedded with a soft rubber valve 11, a gas hole (not marked) is formed in the center of the soft rubber valve 11, and a valve flap 12 is arranged on the inner wall of the gas hole.
[0018] Further, the outer treatment channel 9 is provided with a first spiral blade 13 sleeved outside the purification filter core, and the outer side of the first spiral blade 13 is connected with the inner wall of the tail gas treatment container 1.
[0019] In the present embodiment, the inner tube is inserted into the center of the front pressing ring 3 after passing through the open end of the tail gas treatment container 1, the tail gas is introduced into the inner treatment channel 8, the tail gas is blocked by the closed end of the tail gas treatment container 1 after passing through the center of the rear pressing ring 4, and the tail gas is introduced into the flow guide gap 7 and flows along the outer treatment channel 9, and finally discharged from the valve hole 10. During this period, the tail gas is fully reacted with the catalyst on the inner and outer walls of the purification filter core 2 for purification.
[0020] Embodiment 2
[0021] Reference Figures 1 to 3 As shown, the tail gas treatment device relates to an embodiment, which is further provided on the basis of embodiment 1, the inner treatment channel 8 is provided with a core shaft 14 connected with the tail gas treatment container, and a second spiral blade 15 is wound on the core shaft 14 and arranged inside the purification filter core.
[0022] In the present embodiment, the core shaft 14 and the second spiral blade 15 are arranged to form a rotational flow of the tail gas introduced into the inner treatment channel 8, prolong the running track, fully react with the catalyst on the inner wall of the purification filter core, and strengthen the purification effect.
[0023] The utility model relates to a tail gas treatment device, through the arrangement purification tail gas's catalyst in the inner and outer wall of purification filter core, the spiral blade of collocation extension tail gas walking path makes the tail gas of inbreathing tail gas treatment device can be fully reacted between purification filter core, reaches the high -efficient purification effect, and can greatly reduce the device volume, the overall function is perfect, and the practicality is strong.
[0024] Unless otherwise stated and limited, in the utility model, if there are terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship, it is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the terms describing the orientation or positional relationship in the utility model are only used for example, and can not be understood as limiting the patent, for ordinary skilled in the art, can be combined with the embodiment, and the specific meaning of the above-mentioned terms is understood according to specific circumstances.
[0025] Unless otherwise stated and limited, in the utility model, if there are terms "set", "connected" and "connected", it should be understood broadly, for example, it can be fixedly connected, can be detachably connected, or integrally connected, can be directly connected, or indirectly connected through intermediate medium, can be the communication of two elements inside.For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to specific circumstances.
[0026] The above detailed the preferred embodiment of the utility model. It should be understood that ordinary skilled in the art can make many modifications and changes according to the conception of the utility model without creative labor. Therefore, all technical solutions that can be obtained by logical analysis, reasoning or limited experiment on the basis of prior art according to the conception of the utility model by ordinary skilled in the art should be in the protection scope determined by the claims.
Claims
1. A tail gas treatment device comprising a tail gas treatment container in the shape of a rotary cylinder, one end of the tail gas treatment container being open and the other end being closed, a purification filter core being disposed coaxially in the tail gas treatment container, the purification filter core being in the shape of a cylinder, the inner and outer wall surfaces of the purification filter core being coated with a catalyst, characterized in that: One end of the purification filter element is provided with a front pressing ring, the other end is provided with a rear pressing ring, the front pressing ring and the tail gas treatment container are connected with a front support, the rear pressing ring and the tail gas treatment container are connected with a rear support, the outer edge of the front pressing ring extends to the inner wall of the tail gas treatment container, the rear pressing ring and the inner wall of the tail gas treatment container form a flow guiding gap, the central part of the purification filter element forms an inner treatment channel extending along the axial direction, the purification filter element and the tail gas treatment container form an outer treatment channel extending along the axial direction, a valve hole is arranged on the front pressing ring and located on the outer side of the purification filter element. 2. The exhaust treatment device of claim 1, wherein: The valve hole is embedded with a soft rubber valve, a gas hole is arranged in the center of the soft rubber valve, and a valve flap integrated with the soft rubber valve is arranged on the inner wall of the gas hole.
3. The exhaust treatment device of claim 1 or 2, wherein: The outer treatment channel is provided with a first spiral blade sleeved outside the purification filter element, and the outer side of the first spiral blade is connected with the inner wall of the tail gas treatment container.
4. The exhaust treatment device of claim 3, wherein: The inner treatment channel is provided with a shaft connected with the tail gas treatment container at one end, and a second spiral blade arranged in the purification filter element is wound on the shaft.
5. The exhaust treatment device of claim 1, wherein: The valve hole is arranged in an equidistant angular annular array around the axis of the front pressing ring.