Ventilation structure with filtering and recycling structure

Abstract

The utility model provides a ventilation structure with a filtering and recycling structure, which relates to the technical field of ventilation structures and comprises a fixed hanger, an exhaust fan, an exhaust motor, a filtering and recycling ventilation pipe and a collection pipe. An exhaust fan is hoisted at one end of the fixed hanging frame, an exhaust motor is fixedly mounted in the middle of the upper end of the exhaust fan, and concrete production equipment corresponds to the position under the exhaust fan; the air outlet end of the exhaust fan is arranged in the inclined direction, and the tail end of the air outlet end of the exhaust fan is fixedly connected with a filtering and recycling ventilation pipe in a butt joint mode. According to the utility model, the exhaust fan is stably hoisted through the fixed hanging frame, and the specially-made exhaust hood with the narrow upper part and the wide lower part is arranged at the lower end of the exhaust fan, so that dust and waste gas discharged by the concrete production equipment are efficiently captured and concentrated, and the environmental pollution is effectively reduced. The air draft motor drives the air draft wheel to rotate at a high speed to generate strong suction force, so that dust-containing air can smoothly and efficiently enter an air draft system, and a foundation is laid for subsequent treatment.

Description

Technical Field

[0001] The utility model relates to the technical field of ventilation structures, and particularly relates to a ventilation structure with a filtering and recycling structure. Background Art

[0002] In the concrete production industry, the emission of dust and waste gas has always been an important issue troubling enterprises and environmental protection departments. With the acceleration of the industrialization process, the wide application of concrete production equipment has greatly improved production efficiency, but at the same time has also brought serious environmental pollution problems. The unorganized emission of dust and waste gas not only affects the surrounding air quality, but may also pose a hazard to the health of workers and even trigger more extensive environmental pollution incidents.

[0003] In view of this situation, traditional ventilation structures often have many deficiencies. On the one hand, some ventilation structures are less efficient in capturing dust and waste gas and are difficult to effectively contain the pollution diffusion of the emission source; on the other hand, although some ventilation structures can achieve a certain dust removal effect, there are many bottlenecks in the filtering and recycling treatment, resulting in the air quality after treatment still being difficult to meet the environmental protection standards. In addition, the stability and efficiency of the ventilation system are also key factors affecting the production efficiency and environmental protection image of enterprises. Summary of the Utility Model

[0004] The utility model relates to a ventilation structure with a filtering and recycling structure to solve the deficiencies of traditional ventilation structures in the treatment of dust and waste gas and create a cleaner and healthier production environment for enterprises.

[0005] In the first aspect of the utility model, a ventilation structure with a filtering and recycling structure is provided, which specifically includes: a fixed hanging rack, an exhaust fan, an exhaust motor, a filtering and recycling ventilation pipe, and a collection pipe; one end of the fixed hanging rack is hoisted with an exhaust fan, the middle part of the upper end of the exhaust fan is fixedly installed with an exhaust motor, and the lower part directly below the exhaust fan corresponds to the concrete production equipment; the air outlet end of the exhaust fan is arranged obliquely, and the end of the air outlet end of the exhaust fan is fixedly butted with a filtering and recycling ventilation pipe; two collection pipes are symmetrically connected downward on the filtering and recycling ventilation pipe.

[0006] Optionally, the lower air suction end of the exhaust fan is fixedly provided with an air extraction hood that is narrow at the top and wide at the bottom, and an air extraction wheel with twelve blades is arranged in the inner cavity of the exhaust fan.

[0007] Optionally, the filtering and recycling ventilation pipe is a sunken section structure with both ends in a "V" shape, and the sunken section position of the filtering and recycling ventilation pipe is communicated with the collection pipe;

[0008] A dust blocking cone with a tip pointing to the collection pipe is arranged in the filtering and recycling ventilation pipe above the collection pipe near one end of the exhaust fan;

[0009] Above the collection pipe at one end far from the exhaust fan, a purified air discharge pipe extending upward is fixedly connected upward in the filtering and recycling ventilation pipe, and the end of the filtering and recycling ventilation pipe is a closed end;

[0010] In the inner cavity of the purified air discharge pipe, vertical and evenly spaced purified air filter plates are provided near the upper air outlet;

[0011] In the inner cavity of the filtering and recycling ventilation pipe, at a position corresponding to the lower part of the purified air discharge pipe, a guide plate inclined downward to the lower part of the closed end of the filtering and recycling ventilation pipe is provided.

[0012] Optionally, the upper end of the collection pipe is a shuttle-shaped check valve pipe with narrow upper and lower ends and a wide middle part.

[0013] The utility model provides a ventilation structure with a filtering and recycling structure, and has the following beneficial effects:

[0014] First of all, the exhaust fan stably hoisted by the fixed hanging frame, combined with the specially designed upper-narrow and lower-wide air extraction hood at its lower end, realizes the efficient capture and concentration of dust and waste gas discharged by the concrete production equipment, effectively reducing environmental pollution. The powerful suction force generated by the high-speed rotation of the air extraction wheel driven by the air extraction motor ensures that the dust-containing air can smoothly and efficiently enter the air extraction system, laying a foundation for subsequent treatment.

[0015] Secondly, the "V"-shaped sinking section structure design at both ends of the filtering and recycling ventilation pipe cleverly slows down the air flow velocity, providing favorable conditions for dust settlement. This design not only improves the dust collection efficiency but also reduces the burden on the subsequent filtering device. The setting of the dust-blocking cone is even more icing on the cake. By guiding the large-particle dust to shift towards the collection pipe, the preliminary separation and collection of dust are realized, further improving the overall treatment effect.

[0016] Furthermore, the design of the purified air discharge pipe and the purified air filter plates inside it ensures that the quality of the discharged air meets the environmental protection standards. The vertically evenly spaced filter plates effectively filter out the fine particulate matter, ensuring the smooth discharge of clean air and contributing to environmental protection.

[0017] In addition, the design of the guide plate inside the filtering and recycling ventilation pipe not only optimizes the air flow field but also promotes the settlement and collection of dust in the ventilation pipe. This design not only improves the dust collection efficiency but also avoids the accumulation and blockage of dust in the ventilation pipe, ensuring the long-term stable operation of the ventilation system.

[0018] Finally, the shuttle-shaped check valve pipe design with narrow upper and lower ends and a wide middle part of the collection pipe not only effectively prevents the occurrence of dust backflow but also improves the collection efficiency. This design makes the dust collection process smoother and more efficient, bringing a better user experience to users.

[0019] In summary, through a series of elaborate designs, the ventilation structure of this embodiment realizes the efficient capture, filtration, and recycling of the dust and waste gas discharged by the concrete production equipment. Its remarkable beneficial technical effects are not only reflected in the improvement of environmental protection performance but also in the stability and efficiency of the system operation, bringing a cleaner and healthier production environment to users. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the accompanying drawings of the embodiments will be briefly introduced below.

[0021] The accompanying drawings in the following description only relate to some embodiments of the present utility model and do not limit the present utility model.

[0022] In the accompanying drawings:

[0023] Figure 1 shows the first axonometric structural schematic diagram of the present utility model;

[0024] Figure 2 shows the second axonometric structural schematic diagram of the present utility model;

[0025] Figure 3 shows the axonometric structural schematic diagram of the semi-section separation state of the housing of the present utility model;

[0026] Figure 4 shows the Figure 3 partial enlarged structural schematic diagram of part A of the present utility model.

[0027] LIST OF REFERENCE NUMERALS

[0028] 1. Fixed hanging bracket;

[0029] 2. Exhaust fan; 201. Exhaust hood; 202. Exhaust wheel;

[0030] 3. Exhaust motor;

[0031] 4. Filter recycling ventilation pipe; 401. Dust blocking cone; 402. Clean air discharge pipe; 403. Clean air filter plate; 404. Deflector;

[0032] 5. Collection pipe; 501. Check valve pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0033] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the following will clearly and completely describe the technical solutions of the embodiments of the present utility model in conjunction with the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of the embodiments. Based on the described embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of the present utility model.

[0034] Embodiment 1: Please refer to Figures 1 to 4 :

[0035] The present utility model provides a ventilation structure with a filtration and recovery structure, including: a fixed hanging bracket 1, an exhaust fan 2, an exhaust motor 3, a filtration and recovery ventilation pipe 4, and a collection pipe 5; one end of the fixed hanging bracket 1 is suspended with an exhaust fan 2, the upper middle part of the exhaust fan 2 is fixedly installed with an exhaust motor 3, and directly below the exhaust fan 2 corresponds to the concrete production equipment; the air outlet end of the exhaust fan 2 is arranged obliquely, and the end of the air outlet end of the exhaust fan 2 is fixedly connected to a filtration and recovery ventilation pipe 4; two collection pipes 5 are symmetrically connected downward on the filtration and recovery ventilation pipe 4.

[0036] Among them, a suction hood 201 with a narrow upper part and a wide lower part is fixedly arranged at the lower suction end of the exhaust fan 2, and an exhaust impeller 202 with twelve blades is arranged in the inner cavity of the exhaust fan 2.

[0037] Among them, the filtration and recovery ventilation pipe 4 is a sunken section structure with both ends in a "V" shape, and the sunken section position of the filtration and recovery ventilation pipe 4 is communicated with the collection pipe 5;

[0038] A dust blocking cone 401 with a tip pointing to the collection pipe 5 is arranged in the filtration and recovery ventilation pipe 4 above the collection pipe 5 near the exhaust fan 2 end;

[0039] A clean air discharge pipe 402 extending upward is fixedly connected upward in the filtration and recovery ventilation pipe 4 above the collection pipe 5 far from the exhaust fan 2 end, and the end of the filtration and recovery ventilation pipe 4 is a closed end;

[0040] Vertically arranged and evenly spaced clean air filter plates 403 are arranged in the inner cavity of the clean air discharge pipe 402 near the upper air outlet;

[0041] A guide plate 404 inclined downward to the lower part of the closed end of the filtration and recovery ventilation pipe 4 is arranged at a position in the inner cavity of the filtration and recovery ventilation pipe 4 corresponding to the lower part of the clean air discharge pipe 402.

[0042] Embodiment 2: On the basis of Embodiment 1, the upper end of the collection pipe 5 is a shuttle-shaped check valve pipe 501 with narrow upper and lower parts and a wide middle part.

[0043] The working principle of this embodiment:

[0044] First, the exhaust fan 2 is stably mounted by the fixing bracket 1, and the specially designed exhaust hood 201 with a narrow top and wide bottom at the lower end can more effectively capture and concentrate the dust and exhaust gas from the concrete production equipment. The exhaust motor 3 drives the exhaust wheel 202 to rotate at a high speed, generating a strong suction force, sucking the dust-laden air into the exhaust fan 2 in an oblique direction, and further accelerating and guiding it through the exhaust wheel 202 with twelve blades inside.

[0045] Subsequently, the dust-laden air enters the filtering and recovering ventilation duct 4, which has a unique design and a "V"-shaped sinking section structure at both ends, which helps to slow down the airflow speed and promote dust settling. Above the collecting tube 5 near one end of the exhaust fan 2, the setting of the dust blocking cone 401 cleverly guides the large particles of dust in the airflow to deviate toward the collecting tube 5, achieving preliminary separation and collection. At the end away from the exhaust fan 2, the clean air is discharged through the upwardly extended clean air discharge pipe 402. The vertically evenly spaced clean air filter plates 403 built into the clean air discharge pipe 402 further filter tiny particles to ensure that the discharged air meets environmental protection standards.

[0046] At the same time, inside the filter recovery ventilation pipe 4, the setting of the guide plate 404 guides the remaining dust and airflow to flow along a specific path below the closed end. This design not only optimizes the airflow field, but also promotes the settling and collection of dust in the ventilation pipe. The collection pipe 5 adopts a shuttle-shaped check pipe 501 design with narrow ends and wide middle, which is conducive to preventing dust backflow and improving collection efficiency.

[0047] In this article, there are a few points to note:

[0048] 1. The drawings of the embodiments of the present utility model only involve structures related to the embodiments of the present utility model, and other structures can refer to the usual design.

[0049] 2. In the absence of conflict, the embodiments of the present invention and the features therein may be combined with each other to obtain new embodiments.

[0050] The above are only specific implementations of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A ventilation structure with a filtering and recycling structure, comprising: A fixed bracket (1), an exhaust fan (2), an exhaust motor (3), a filtering and recovering ventilation pipe (4) and a collecting pipe (5); characterized in that an exhaust fan (2) is hoisted at one end of the fixed bracket (1), an exhaust motor (3) is fixedly installed in the middle of the upper end of the exhaust fan (2), and the concrete production equipment corresponds to the area directly below the exhaust fan (2); the air outlet end of the exhaust fan (2) is arranged in an oblique direction, and the end of the air outlet end of the exhaust fan (2) is fixedly connected to the filtering and recovering ventilation pipe (4); two collecting pipes (5) are symmetrically connected downward to the filtering and recovering ventilation pipe (4).

2. A ventilation structure with a filtering and recycling structure according to claim 1, characterized in that: An air suction hood (201) which is narrow at the top and wide at the bottom is fixedly provided at the lower air suction end of the exhaust fan (2), and an exhaust wheel (202) with twelve blades is provided in the inner cavity of the exhaust fan (2).

3. A ventilation structure with a filtering and recycling structure according to claim 1, characterized in that: The filtering and recovering ventilation pipe (4) is a sinking section structure with two ends in a "V" shape, and the sinking section of the filtering and recovering ventilation pipe (4) is connected to the collecting pipe (5); A dust blocking cone (401) with its tip pointing toward the collecting pipe (5) is provided in the filtering recovery ventilation pipe (4) above the collecting pipe (5) near one end of the exhaust fan (2); A clean air discharge pipe (402) extending upward is fixedly connected to the filter recovery ventilation pipe (4) above the collection pipe (5) at one end away from the exhaust fan (2), and the end of the filter recovery ventilation pipe (4) is a closed end.

4. A ventilation structure with a filtering and recycling structure according to claim 3, characterized in that: A vertical clean air filter plate (403) with uniform spacing is provided in the inner cavity of the clean air discharge pipe (402) near the upper air outlet.

5. The ventilation structure with filtering and recycling structure according to claim 3, characterized in that: A guide plate (404) is provided at a position in the inner cavity of the filtering recovery ventilation pipe (4) corresponding to the lower side of the clean air discharge pipe (402), the guide plate being inclined towards the lower side of the closed end of the filtering recovery ventilation pipe (4).

6. The ventilation structure with a filtering and recycling structure according to claim 1, characterized in that: The upper end of the collecting tube (5) is a shuttle-shaped non-return tube (501) which is narrow at the upper and lower ends and wide in the middle.

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