An irradiation ozone exhaust device

Abstract

The utility model relates to industrial ventilation and waste gas treatment technical field, specifically disclose a kind of irradiation ozone exhaust device, including bearing frame, power mechanism, composite pipeline mechanism and ozone air duct;Power mechanism includes the fan of installation on bearing frame;Composite pipeline mechanism includes main pipeline, ozone suction branch pipe and flow guide boss;Main pipeline entrance connects fan air outlet, ozone suction branch pipe entrance connects ozone air duct export, its export is communicated with main pipeline near export with acute angle;Flow guide boss is set on the bottom wall of ozone suction branch pipe export in main pipeline correspondingly.In the device, fan only provides clean main airflow, using the negative pressure of acute angle intersection generation to inject ozone, fundamentally eliminates the corrosion risk of ozone to fan;Flow guide boss can effectively guide main airflow to cover branch pipe export, significantly strengthen injection negative pressure, inhibit vortex and backflow, to realize ozone efficient, stable injection, greatly improve the long-term reliability of exhaust system under irradiation environment.

Description

Technical Field

[0001] This utility model relates to the field of industrial ventilation and waste gas treatment technology, specifically to an irradiated ozone exhaust device. Background Technology

[0002] In fields such as wire and cable manufacturing, material irradiation processing, and medical sterilization, the use of high-energy rays generated by electron accelerators is a key process for improving product performance. During this process, the high-energy rays ionize oxygen in the air, producing large amounts of ozone. As a strong oxidizing gas, the accumulation of ozone in the workshop poses a serious threat to personnel health and equipment safety; therefore, it is essential to remove it promptly through an efficient ventilation system.

[0003] Chinese utility model patent CN220537496U discloses an ozone generator, which includes a housing, an electrical module, a fan, and an ozone generating component. The housing has a receiving cavity and a guide air duct. By arranging the electrical module, the fan, and the ozone generating component in sequence along the airflow direction, the ozone generated by the ozone generating component can be discharged directly along the guide air duct without passing through the electrical module, which aims to reduce the corrosion of the electrical module by ozone.

[0004] However, in the above and similar ozone exhaust solutions, in order to achieve airflow delivery, the fan itself and its drive motor still need to be arranged on the duct path or closely connected to the duct. This means that the working components of the fan, including its impeller, shaft and housing, will inevitably come into direct contact with high concentrations of ozone. Although stationary parts such as the fan housing can be made of corrosion-resistant materials such as stainless steel, the fan contains precision components such as bearings and coils. It is difficult to achieve ozone corrosion resistance design for all materials. Under long-term operation, there is still a risk of failure due to ozone corrosion, which affects the long-term reliability of the entire exhaust system. Utility Model Content

[0005] In view of the technical problems in the prior art, the present invention provides an irradiated ozone exhaust device, which aims to solve the problems of easy corrosion, poor reliability and short service life caused by direct contact with high concentrations of ozone in the exhaust system of the prior art.

[0006] The technical solution of this utility model is implemented as follows: An irradiated ozone exhaust device includes a support frame, a power mechanism, a composite duct structure, and an ozone duct, wherein... The power mechanism includes a fan, which is mounted on a support frame; The composite pipeline structure includes a main pipeline, an ozone inhalation branch pipe, and a flow guide boss. The main pipe is installed on the support frame, and its inlet is connected to the air outlet of the fan. The inlet of the ozone inhalation branch pipe is connected to the ozone duct outlet, and the outlet of the ozone inhalation branch pipe is connected to the main pipe near the outlet. Among them, the central axis of the ozone intake branch pipe is at an acute angle to the downstream axis of the airflow direction in the main pipe, so that when the fan introduces the fluid into the main pipe, a negative pressure zone is formed at the outlet of the ozone intake branch pipe to induce ozone. The guide protrusion is located on the bottom wall of the outlet of the ozone inhalation branch pipe inside the main pipe. It is used to guide the main airflow to cover the outlet area of ​​the ozone inhalation branch pipe to assist in the ozone injection.

[0007] Optionally, an irradiated ozone exhaust device further includes a pressurization structure, which comprises a fan shroud and a pressurization fan, wherein... The wind turbine cover is installed on the support frame, its inlet is connected to the outlet of the main pipeline, and the outlet of the wind turbine cover is connected to a guide pipe for guiding ozone to the emission area; The booster impeller is rotatably mounted inside the impeller cover via a shaft, used to accelerate the airflow and increase the fluid kinetic energy and discharge speed.

[0008] Optionally, the impeller cover inlet is provided with a tapered through hole to form a high-speed, low-pressure flow field.

[0009] Optionally, the wind turbine cover is formed by two detachably connected half-shells that are symmetrically divided along its axis.

[0010] Optionally, the pressurization structure further includes a sealing gasket disposed between the mating end faces of the two half-shells.

[0011] Optionally, the sealing gasket is made of an ozone-resistant elastic material.

[0012] Optionally, the power mechanism may further include a throttle valve; The throttle valve is connected in series on the main pipeline and located between the fan and the ozone intake branch pipe. It is used to cut off or control the main airflow to adjust the ejector negative pressure.

[0013] Optionally, the outlet of the ozone inhalation branch pipe is shaped like a funnel, facing downstream of the main pipe.

[0014] Optionally, the acute angle ranges from 30 degrees to 60 degrees.

[0015] Optionally, the cross-section of the guide protrusion is streamlined, with its highest point close to the side of the ozone inhalation branch pipe, and it smoothly integrates into the inner wall of the main pipe along the airflow direction.

[0016] Compared with the prior art, the irradiated ozone exhaust device provided by this utility model has the following beneficial effects: (1) Physical isolation is achieved through the principle of ejection, so that the core power components of the fan are completely placed outside the ozone channel and only clean air is transported. This fundamentally eliminates the risk of ozone corrosion to precision components such as impellers, bearings, and coils in the fan, and greatly improves the long-term operational reliability and service life of the device in high ozone concentration environments such as irradiation.

[0017] (2) By the acute angle intersection of the ozone intake branch pipe and the main pipe, and the coordinated design of the guide protrusion, the main airflow is effectively guided to cover the branch pipe outlet, significantly enhancing the ejection negative pressure and improving the ozone ejection efficiency; among them, the streamlined cross-section of the guide protrusion can suppress eddies, prevent airflow separation and backflow, and ensure the stability and smoothness of the ejection process.

[0018] (3) By installing a throttle valve on the main pipeline, not only can the main airflow be precisely controlled to flexibly adjust the ejector negative pressure, adapt to different ozone generation conditions, and realize on-demand ventilation and energy-saving operation; it can also quickly cut off the main airflow when the equipment needs maintenance or an emergency occurs, so that the ejector process stops immediately, thereby effectively isolating the ozone duct and providing reliable safety protection for system operation.

[0019] (4) The added pressurization structure uses the kinetic energy of the fluid to drive the pressurization impeller and accelerate the mixed airflow a second time. This not only increases the final emission speed and range, but also the additional negative pressure formed at the inlet of the venturi tube-type cover during operation can effectively assist the main ejector system at the front end to extract ozone more powerfully. The two work together to form a progressive power enhancement effect, ensuring that high concentrations of ozone can be quickly and reliably transported to a more distant designated area. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of an irradiated ozone exhaust device according to the present invention; Figure 2 for Figure 1 Sectional view along line AA; Figure 3 for Figure 2 Enlarged view of point A in the middle; Figure 4 This is a schematic diagram showing the pressurization structure of an irradiated ozone exhaust device according to this utility model.

[0021] In the diagram: 1. Support frame; 2. Power mechanism; 21. Fan; 22. Throttling valve; 3. Composite piping structure; 31. Main pipe; 32. Ozone intake branch pipe; 33. Guide boss; 4. Ozone duct; 5. Pressurization structure; 501. Gradual narrowing through hole; 51. Impeller cover; 52. Pressurizing impeller; 53. Guide pipe; 54. Sealing gasket. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0023] In the description of the embodiments of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this utility model based on the specific circumstances.

[0024] In the description of the embodiments of this utility model, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model.

[0025] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0026] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0027] The following disclosure provides numerous different embodiments or examples for implementing various structures of the present invention. To simplify the disclosure, specific examples of components and arrangements are described below. These are merely examples and are not intended to limit the scope of the invention. Furthermore, reference numerals and / or letters may be repeated in different examples. Such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. In addition, examples of various specific processes and materials are provided in this invention; however, those skilled in the art will recognize the applicability of other processes and / or the use of other materials.

[0028] Please see Figure 1-4 The present invention proposes an irradiated ozone exhaust device, which includes a support frame 1, a power mechanism 2, a composite pipeline mechanism 3, and an ozone duct 4.

[0029] like Figure 1-3 As shown, the power mechanism 2 includes a fan 21, which is mounted on the support frame 1; the composite pipeline mechanism 3 includes a main pipeline 31, an ozone intake branch pipe 32, and a guide boss 33; the main pipeline 31 is mounted on the support frame 1, and its inlet is connected to the outlet end of the fan 21; the inlet of the ozone intake branch pipe 32 is connected to the outlet of the ozone duct 4, and the outlet of the ozone intake branch pipe 32 is connected to the main pipeline 31 near the outlet; wherein, the central axis of the ozone intake branch pipe 32 forms an acute angle with the downstream axis of the airflow direction in the main pipeline 31, so that when the fan 21 introduces fluid into the main pipeline 31, a negative pressure zone is formed at the outlet of the ozone intake branch pipe 32 to induce ozone; the guide boss 33 is provided on the bottom wall of the main pipeline 31 corresponding to the outlet of the ozone intake branch pipe 32, and is used to guide the main airflow to cover the outlet area of ​​the ozone intake branch pipe 32 to assist in the induction of ozone.

[0030] Specifically, by physically isolating the fan 21 from the ozone path, the core problem of fan corrosion due to direct contact with ozone in the background technology is fundamentally solved; the fan 21 only provides clean main airflow, which, when flowing through the main duct 31, uses the negative pressure effect generated at the acute angle intersection to entrain ozone; in particular, the guide protrusion 33, a key component, actively guides the main airflow through its specific shape and position, ensuring that the airflow can effectively cover ozone, greatly suppressing the eddy currents and backflow phenomena that are easily generated by ordinary ejectors, thereby achieving efficient and stable ozone entrainment and ensuring the long-term reliability of the exhaust system.

[0031] In some embodiments, such as Figure 2 , Figure 4As shown, an irradiated ozone exhaust device also includes a pressurization structure 5, which includes a fan shroud 51 and a pressurizing fan 52. The fan shroud 51 is mounted on a support frame 1, and its inlet is connected to the outlet of the main pipe 31. The outlet of the fan shroud 51 is connected to a guide pipe 53 for guiding ozone to the emission area. The pressurizing fan 52 is rotatably mounted inside the fan shroud 51 via a shaft to accelerate the airflow and increase the fluid kinetic energy and emission speed.

[0032] Specifically, in this embodiment, the pressurization structure 5 constitutes a power enhancement module; the mixed airflow of ozone and air, after being initially ejected, flows out from the main pipe 31 and enters the pressurization structure 5; the kinetic energy of the fluid drives the pressurization impeller 52 to rotate freely, and this process accelerates the mixed airflow a second time, significantly improving the kinetic energy and emission speed of the fluid; this not only extends the emission distance of ozone, but the additional negative pressure formed at the inlet of the impeller cover 51 during its operation can also more powerfully extract ozone from the upstream auxiliary main ejection system, and the two work together to form a progressive power enhancement effect.

[0033] In some embodiments, such as Figure 2-4 As shown, the inlet of the impeller cover 51 is provided with a tapered through hole 501 to form a high-speed, low-pressure flow field.

[0034] Specifically, in this embodiment, the tapered through-hole 501 constitutes a simple Venturi tube structure; when the airflow passes through this tapered section, the flow velocity increases and the pressure decreases, thereby forming a high-speed, low-pressure flow field at the throat of the impeller cover 51; this flow field reduces the back pressure driving the booster impeller 52 to rotate, making it easier to rotate and improving the boosting efficiency; on the other hand, this low-pressure area is transmitted upstream through the guide pipe 53, further enhancing the effect of assisting in ozone extraction.

[0035] In some embodiments, such as Figure 4 As shown, the wind turbine cover 51 is composed of two detachably connected half-shells that are symmetrically divided along its axis.

[0036] Specifically, in this embodiment, the impeller cover 51 is designed as a split, detachable structure. This structure provides excellent maintainability. When the booster impeller 52 needs cleaning, replacement or maintenance, it is not necessary to disassemble the entire piping system. The two half-shells can be separated directly for operation, which greatly reduces the difficulty of maintenance and time cost, and ensures the continuous and efficient operation of the equipment.

[0037] In some embodiments, such as Figure 4 As shown, the pressurization structure 5 also includes a sealing gasket 54, which is disposed between the mating end faces of the two half-shells; the sealing gasket 54 is made of an ozone-resistant elastic material.

[0038] Specifically, this embodiment adds a sealing gasket 54 to the detachable structure to ensure the airtightness of the two half-shells when connected. This is a key design to prevent ozone from leaking from the joint with high-speed airflow, ensuring the sealing reliability of the entire pressurization process and avoiding secondary pollution or performance degradation caused by ozone leakage. Considering that the mixed airflow still contains ozone, this embodiment makes key limitations on the material of the sealing gasket 54; by using ozone-resistant elastic materials such as fluororubber, hydrogenated nitrile rubber or EPDM rubber, it can be ensured that the sealing gasket 54 will not undergo ozone cracking, aging and hardening and fail when exposed to the ozone environment for a long time, thereby maintaining its long-term sealing performance and the service life of the device.

[0039] In some embodiments, such as Figure 1-2 As shown, the power mechanism 2 also includes a throttle valve 22; the throttle valve 22 is connected in series on the main pipe 31 and located between the blower 21 and the ozone intake branch pipe 32, and is used to cut off or control the main airflow to adjust the ejector negative pressure.

[0040] Specifically, this embodiment introduces a throttle valve 22 to provide flexible control and safety assurance for the device. During normal operation, the main airflow can be precisely controlled by adjusting the opening of the throttle valve 22, thereby flexibly adjusting the magnitude of the ejector negative pressure, enabling the device to adapt to different ozone generation rates and achieve on-demand ventilation and energy-saving operation. When the equipment needs maintenance or an emergency occurs, the throttle valve 22 can be quickly closed to completely cut off the main airflow, causing the ejection process to stop immediately, thereby safely isolating the ozone duct.

[0041] In some embodiments, such as Figure 3 As shown, the outlet of the ozone inhalation branch pipe 32 is shaped like a funnel, facing downstream of the main pipe 31.

[0042] Specifically, in this embodiment, the outlet shape of the ozone inhalation branch pipe 32 has been optimized; the flared shape can significantly reduce the local resistance when the ozone flow flows out, allowing it to enter the mainstream of the main pipe 31 more smoothly and with less disturbance, thereby improving the ejection efficiency and further reducing the possibility of airflow backflow or vortex generation at this point.

[0043] In some embodiments, such as Figure 3 As shown, the acute angle ranges from 30 degrees to 60 degrees.

[0044] Specifically, this embodiment defines key parameters: the optimal range of the acute angle of intersection; fluid simulation and experimental verification show that an angle less than 30 degrees may lead to excessive branch resistance; an angle greater than 60 degrees will weaken the ejection effect; the range of 30 to 60 degrees can achieve the best balance between ejection force and flow resistance, which is the key to achieving efficient and low-energy ejection; in a preferred embodiment, the angle is set to 45 degrees.

[0045] In some embodiments, such as Figure 2-3 As shown, the cross-section of the guide protrusion 33 is streamlined, with its highest point close to the side of the ozone inhalation branch pipe 32, and it smoothly integrates into the inner wall of the main pipe 31 along the airflow direction.

[0046] Specifically, this embodiment clarifies the aerodynamic shape of the guide protrusion 33; the streamlined cross-section and its smooth integration into the pipe wall design ensure that the main airflow can adhere to its surface and flow, rather than forming a vortex that separates and causes energy loss; the specific position of its highest point is designed to most effectively guide the main airflow to the core area of ​​the ozone jet, thereby achieving "precise and efficient" ejection, which is one of the core structural innovations of this utility model to improve efficiency.

[0047] Meanwhile, to ensure the long-term corrosion resistance of the device, the flow-through components in contact with ozone, including the main pipe 31, the ozone intake branch pipe 32, the guide boss 33, and the impeller cover 51 and the booster impeller 52 in the booster structure 5, can all be made of ozone-resistant materials, such as 304 stainless steel, 316 stainless steel, or specific ozone-resistant engineering plastics, such as PVDF. This is not the core invention point, but as a preferred embodiment, it can further improve the durability of the product under harsh working conditions. The scope of protection of this utility model is not limited to this.

[0048] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An irradiated ozone exhaust device, characterized in that, It includes a support frame (1), a power mechanism (2), a composite pipeline mechanism (3), and an ozone duct (4), among which, The power mechanism (2) includes a fan (21), which is mounted on a support frame (1); The composite pipeline structure (3) includes a main pipeline (31), an ozone inhalation branch pipe (32), and a flow guide boss (33). The main pipe (31) is installed on the support frame (1), and its inlet is connected to the air outlet of the fan (21). The inlet of the ozone inhalation branch pipe (32) is connected to the outlet of the ozone duct (4), and the outlet of the ozone inhalation branch pipe (32) is connected to the main pipe (31) near the outlet. Among them, the central axis of the ozone intake branch (32) is at an acute angle to the downstream axis of the airflow direction in the main pipe (31), so that when the fan (21) introduces the fluid into the main pipe (31), a negative pressure zone is formed at the outlet of the ozone intake branch (32) to induce ozone. The guide protrusion (33) is located on the bottom wall of the outlet of the ozone inhalation branch pipe (32) inside the main pipe (31) to guide the main airflow to cover the outlet area of ​​the ozone inhalation branch pipe (32) to assist in the ozone injection.

2. The irradiated ozone exhaust device according to claim 1, characterized in that, It also includes a pressurization structure (5), which includes a wind turbine cover (51) and a pressurization wind turbine (52), wherein, The impeller cover (51) is installed on the support frame (1), and its inlet is connected to the outlet of the main pipe (31). The outlet of the impeller cover (51) is connected to a guide pipe (53) for guiding ozone to the emission area. The booster impeller (52) is rotatably mounted inside the impeller cover (51) via a shaft, used to accelerate the airflow and increase the fluid kinetic energy and discharge speed.

3. The irradiated ozone exhaust device according to claim 2, characterized in that, The impeller cover (51) has a tapered through hole (501) at the inlet to form a high-speed, low-pressure flow field.

4. The irradiated ozone exhaust device according to claim 2, characterized in that, The wind turbine cover (51) is formed by two detachably connected half-shells that are symmetrically divided along its axis.

5. The irradiated ozone exhaust device according to claim 4, characterized in that, The pressurization structure (5) also includes a sealing gasket (54), which is disposed between the mating end faces of the two half-shells.

6. The irradiated ozone exhaust device according to claim 5, characterized in that, The sealing gasket (54) is made of an ozone-resistant elastic material.

7. The irradiated ozone exhaust device according to claim 1, characterized in that, The power mechanism (2) also includes a throttle valve (22); The throttle valve (22) is connected in series on the main pipe (31) and located between the blower (21) and the ozone inhalation branch pipe (32) to cut off or control the main airflow to adjust the ejector negative pressure.

8. An irradiated ozone exhaust device according to any one of claims 1-7, characterized in that, The outlet of the ozone inhalation branch pipe (32) is shaped like a funnel, facing downstream of the main pipe (31).

9. An irradiated ozone exhaust device according to any one of claims 1-7, characterized in that, The acute angle ranges from 30 degrees to 60 degrees.

10. An irradiated ozone exhaust device according to any one of claims 1-7, characterized in that, The cross-section of the guide protrusion (33) is streamlined, with its highest point close to the side of the ozone inhalation branch pipe (32) and smoothly integrated into the inner wall of the main pipe (31) along the airflow direction.

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