Pet food processing workshop exhaust device with peculiar smell adsorption function

Abstract

The utility model discloses a pet food processing workshop exhaust device with a peculiar smell adsorption function, which comprises a main exhaust pipe, a centrifugal fan mounted at one end of the main exhaust pipe, a plurality of active air inlet structures mounted at the bottom end of the main exhaust pipe at equal intervals, and a storage container fixed in the main exhaust pipe, and an activated carbon filler layer is filled in the material storage container. According to the utility model, the active air inlet structure is used for feeding air in the pet food processing workshop into the main exhaust pipe, and the air is deodorized by the activated carbon particle filler in the main exhaust pipe, and at the moment, the centrifugal fan continuously generates suction force in the main exhaust pipe, and the deodorized air is exhausted.

Description

Technical Field

[0001] This utility model relates to the field of workshop ventilation technology, specifically a ventilation device for pet food processing workshops with odor adsorption function. Background Technology

[0002] Exhaust systems for pet food processing workshops with odor adsorption capabilities can effectively control and remove odors, dust, and harmful gases generated during production, improving workshop air quality and ensuring the health of staff and the surrounding environment. These systems consist of fans, filters, ducts, and exhaust vents. The fan generates airflow, guiding polluted air to the filtration system. The filtration system typically includes coarse dust filters, activated carbon filters, and HEPA filters. The former removes large particles, while the latter adsorbs odors and harmful gases and captures fine particles, ensuring clean exhaust air. After multi-stage filtration, the air is exhausted outdoors through exhaust ducts, maintaining fresh indoor air. The entire process includes air collection, primary filtration, odor and pollutant adsorption, and final emission. However, current exhaust systems rely solely on the fan at the exhaust terminal for ventilation. Because of the presence of filters such as coarse dust, activated carbon, and HEPA filters, the resistance of these filters makes it difficult for the fan to maintain sufficient airflow, easily leading to insufficient ventilation. Utility Model Content

[0003] The purpose of this invention is to provide a ventilation device for a pet food processing workshop with odor adsorption function. A centrifugal fan is installed at the end of the main exhaust duct, and several active air intake structures are installed on the lower surface of the main exhaust duct. The active air intake structures are used to send air from the pet food processing workshop into the main exhaust duct, and the activated carbon granules in the main exhaust duct are used for deodorization. At this time, the centrifugal fan continuously generates suction in the main exhaust duct, and the deodorized air is discharged, so as to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a pet food processing workshop exhaust device with odor adsorption function, comprising a main exhaust pipe, a centrifugal fan installed at one end of the main exhaust pipe, a plurality of active air intake structures installed at equal intervals at the bottom of the main exhaust pipe, and a storage tank fixed inside the main exhaust pipe, wherein the storage tank is filled with an activated carbon packing layer.

[0005] Preferably, a feeding pipe is installed on one side of the top of the main exhaust duct, and a plug is bolted to the top flange of the feeding pipe.

[0006] Preferably, the active air intake structure consists of an air intake box installed at the bottom of the main exhaust duct and an air intake pipe installed at the bottom opening of the air intake box, with an exhaust fan installed at the bottom of the air intake pipe.

[0007] Preferably, both ends of the main exhaust duct are welded with support rings, the storage tank is installed between the two support rings, and a gap is provided between the outer wall of the storage tank and the inner wall of the main exhaust duct.

[0008] Preferably, both ends of the storage tank are fixed with baffles, and the baffles are provided with a number of ventilation holes inside.

[0009] Preferably, the storage tank is provided with a cage-type turning structure inside. The cage-type turning structure includes a drive shaft rotatably installed between two baffles and multiple C-shaped steel bars welded and fixed at equal intervals on the outer wall of the drive shaft. A stepper motor is installed at the other end of the main exhaust pipe, and the drive shaft of the stepper motor is fixedly connected to one end of the drive shaft.

[0010] Compared with existing technologies, the beneficial effects of this utility model are as follows: This pet food processing workshop exhaust device with odor adsorption function is constructed by a combination of a centrifugal fan, a main exhaust duct, a storage tank, an activated carbon packing layer, and an active air intake structure. A centrifugal fan is installed at the end of the exhaust duct, and several active air intake structures are installed on the lower surface of the main exhaust duct. These active air intake structures draw air from the pet food processing workshop into the main exhaust duct, where it is deodorized by the activated carbon granules in the main exhaust duct. Simultaneously, the centrifugal fan continuously generates suction in the main exhaust duct, expelling the deodorized air. The centrifugal fan installed at the end of the main exhaust duct continuously generates stable suction, ensuring the normal operation of the entire exhaust device. The airflow is highly continuous and stable, which helps to remove odors, dust, and harmful gases from the workshop in a timely manner. The design of several active air intake structures on the lower surface of the main exhaust duct increases the air intake volume of the main exhaust duct and actively introduces workshop air into the main exhaust duct, forming good air circulation to enhance air mobility, maintain the indoor air renewal frequency, and improve air exchange efficiency. Furthermore, the active air intake structure introduces air from the pet food processing workshop into the main exhaust duct, which, combined with activated carbon granule filler for deodorization, forms an effective air purification mechanism. Under the continuous suction of the centrifugal fan, the airflow is driven to ensure that the deodorized air can be quickly discharged, keeping the air in the workshop fresh. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the front cross-sectional structure of this utility model;

[0012] Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 ;

[0013] Figure 3 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 ;

[0014] Figure 4 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 3 ;

[0015] Figure 5 This is a three-dimensional cross-sectional structural diagram of the present invention.

[0016] In the diagram: 1. Main exhaust duct; 101. Feeding pipe; 102. Plug; 2. Centrifugal fan; 3. Stepper motor; 4. Air inlet box; 5. Air inlet duct; 6. Exhaust fan; 7. Storage hopper; 701. Baffle plate; 702. Ventilation hole; 8. Cage-type tipping structure; 801. Drive shaft; 802. C-shaped steel bar; 9. Gap; 10. Support ring. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0018] Please see Figure 1-5 An embodiment of this utility model is provided: a pet food processing workshop exhaust device with odor adsorption function, including a main exhaust pipe 1, a centrifugal fan 2 installed at one end of the main exhaust pipe 1, a number of active air intake structures installed at equal intervals at the bottom end of the main exhaust pipe 1, and a storage tank 7 fixed inside the main exhaust pipe 1, the storage tank 7 being filled with an activated carbon filler layer.

[0019] A feeding pipe 101 is installed on one side of the top of the main exhaust pipe 1, and a plug 102 is bolted to the flange at the top of the feeding pipe 101. A hole corresponding to the feeding pipe 101 needs to be opened at the top of the storage tank 7.

[0020] The storage tank 7 serves to accommodate the activated carbon packing layer. Workers can remove the plug 102 and add activated carbon packing into the storage tank 7 through the feeding pipe 101.

[0021] The active air intake structure consists of an air intake box 4 installed at the bottom of the main exhaust duct 1 and an air intake pipe 5 installed at the bottom opening of the air intake box 4. An exhaust fan 6 is installed at the bottom of the air intake pipe 5. When the active air intake structure is working, the exhaust fan 6 sends air from the pet food processing workshop into the air intake pipe 5 and the air intake box 4 until this part of the air is collected in the main exhaust duct 1 and passes through the activated carbon packing layer to ensure the continuous introduction and circulation of air.

[0022] Both ends of the main exhaust duct 1 are welded with support rings 10. The storage tank 7 is installed between the two support rings 10. A gap 9 is provided between the outer wall of the storage tank 7 and the inner wall of the main exhaust duct 1. Through the support rings 10, a gap 9 is formed between the storage tank 7 and the main exhaust duct 1 so that air can quickly enter the storage tank 7.

[0023] Both ends of the storage tank 7 are fixed with baffles 701. The baffles 701 are used to seal the ends of the storage tank 7 to reduce the overflow of activated carbon filler. The baffles 701 are provided with several ventilation holes 702. The storage tank 7 is provided with a cage-type turning structure 8. The cage-type turning structure 8 includes a drive shaft 801 rotatably installed between the two baffles 701 and a number of C-shaped steel bars 802 welded and fixed at equal intervals on the outer wall of the drive shaft 801. The other end of the main exhaust pipe 1 is equipped with a stepper motor 3. The drive shaft of the stepper motor 3 is fixedly connected to one end of the drive shaft 801.

[0024] The staff can also turn on the stepper motor 3 and use the stepper motor 3 to drive the drive shaft 801 to rotate. At this time, the C-shaped steel bar 802 rotates around the drive shaft 801, thereby continuously agitating the activated carbon packing in the storage tank 7, keeping the activated carbon packing in an active state, so as to increase the contact opportunity between the activated carbon packing and the air.

[0025] In this embodiment, the operator first installs the main exhaust duct 1 at the exhaust vent of the pet food processing workshop, ensuring that the end of the main exhaust duct 1 with the centrifugal fan 2 is outdoors, while the end with the active air intake structure is indoors. After the device is installed, power is supplied to the equipment. At this point, the centrifugal fan 2 and the active air intake structure begin to operate. The active air intake structure, installed on the lower surface of the main exhaust duct 1, is responsible for actively drawing in air from the workshop. This air includes fresh air and pollutants such as exhaust gases, odors, and dust generated in the workshop, maintaining indoor air circulation and diluting the concentration of pollutants to reduce harmful gases. Accumulation; Indoor air is actively introduced into the main exhaust duct 1 by the air intake structure and comes into contact with the activated carbon filler particles in the storage tank 7. Activated carbon has an extremely high specific surface area and good adsorption capacity, which can effectively capture odor molecules and harmful gases such as ammonia and sulfides in the air. When passing through the activated carbon layer, the pollutants are adsorbed into the pore structure of the carbon, thereby significantly reducing the odor concentration in the air. After deodorization, the air is continuously suctioned by the centrifugal fan 2 and discharged from the main exhaust duct 1. At this time, the centrifugal fan 2 provides a stable airflow to ensure that the polluted air can be quickly and thoroughly extracted from the main exhaust duct 1, avoiding the air from lingering in the main exhaust duct 1.

Claims

1. A ventilation device for a pet food processing workshop with odor absorption function, characterized in that: It includes a main exhaust duct (1), a centrifugal fan (2) installed at one end of the main exhaust duct (1), several active air intake structures installed at equal intervals at the bottom of the main exhaust duct (1), and a storage tank (7) fixed inside the main exhaust duct (1), wherein the storage tank (7) is filled with an activated carbon packing layer.

2. The exhaust system for a pet food processing workshop with odor adsorption function according to claim 1, characterized in that: A feeding pipe (101) is installed on one side of the top of the main exhaust pipe (1), and a plug (102) is bolted to the top flange of the feeding pipe (101).

3. The exhaust system for a pet food processing workshop with odor adsorption function according to claim 1, characterized in that: The active air intake structure consists of an air intake box (4) installed at the bottom of the main exhaust pipe (1) and an air intake pipe (5) installed at the bottom opening of the air intake box (4). An exhaust fan (6) is installed at the bottom of the air intake pipe (5).

4. The exhaust system for a pet food processing workshop with odor adsorption function according to claim 1, characterized in that: Both ends of the main exhaust pipe (1) are welded with support rings (10), the storage tank (7) is installed between the two support rings (10), and a gap (9) is provided between the outer wall of the storage tank (7) and the inner wall of the main exhaust pipe (1).

5. The exhaust system for a pet food processing workshop with odor adsorption function according to claim 4, characterized in that: Both ends of the storage tank (7) are fixed with baffles (701), and the baffles (701) have several ventilation holes (702) inside.

6. The exhaust system for a pet food processing workshop with odor adsorption function according to claim 5, characterized in that: The storage tank (7) is equipped with a cage-type turning structure (8). The cage-type turning structure (8) includes a drive shaft (801) rotatably installed between two baffles (701) and multiple C-shaped steel bars (802) welded and fixed at equal intervals on the outer wall of the drive shaft (801). A stepper motor (3) is installed at the other end of the main exhaust pipe (1). The drive shaft of the stepper motor (3) is fixedly connected to one end of the drive shaft (801).

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