Exhaust circulation device of oil smoke exhaust system
By combining multiple filter plates with cooling and electrostatic adsorption modules to treat oil fumes, the problems of difficulty in removing fine particulate matter and harmful gases and thermal damage to equipment in traditional systems are solved, achieving efficient purification and protection.
Patent Information
- Application Number
- CN202422917532.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-28
AI Technical Summary
Traditional fume exhaust systems are difficult to effectively remove tiny particles, odors and harmful gases, and direct emission of fume can easily cause thermal damage to equipment.
It uses a combination of particulate filter plates, activated carbon filter plates and fiber cloth filter plates, combined with a cooling module and an electrostatic adsorption module to filter and cool the oil fumes respectively, while the electrostatic adsorption module further adsorbs tiny particles.
It improves air cleanliness, reduces thermal damage to equipment, extends equipment life, and reduces environmental pollution.
Smart Images

Figure CN223448440U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of the exhaust fume system, especially relates to an exhaust fume system exhaust circulation device. BACKGROUND
[0002] The exhaust fume system is the necessary equipment of large kitchen, is used for the efficient removal of the oil fume generated in cooking. Usually by the smoke exhaust hood, the oil fume pipeline, the fan and the oil fume purifier component constitute. When working, the oil fume is captured by the smoke exhaust hood, enters the fan through the oil fume pipeline, produces strong suction and inhales the oil fume into the system. The oil fume purifier carries out filtration treatment to the oil fume, ensures that the clean air is discharged, effectively protects the indoor environment and human health.
[0003] In the traditional exhaust fume system, usually simple filtration and discharge mode is adopted to handle the oil fume. This method can only remove the large particle material in the oil fume through physical filtration, and it is difficult to effectively remove the small particle material, peculiar smell and harmful gas. In addition, the oil fume is directly discharged without cooling, which is easy to cause thermal damage to the equipment, shortens the service life of the equipment, and pollutes the environment. Therefore, the traditional exhaust fume system has certain deficiencies in filtration efficiency and equipment protection. UTILITY MODEL CONTENTS
[0004] The utility model aims at solving the problems that the common exhaust fume system is difficult to effectively remove the small particle material, peculiar smell and harmful gas and is easy to cause thermal damage to the equipment and provides an exhaust fume system exhaust circulation device.
[0005] The utility model realizes the above-mentioned purpose through the following technical scheme: including the shell, the lower part of shell is equipped with the air curtain host, the air curtain host top is equipped with the filter module, the filter module both sides are equipped with cooling module and electrostatic adsorption module respectively, the electrostatic adsorption module top is equipped with the discharge pipe spare, the filter module includes three drawer type filter plate mounting frame, all install filter plate in three filter plate mounting frame, the top of three filter plate mounting frame is equipped with cooling pipe mounting frame, the cooling module includes water tank, the water tank side is installed with a plurality of U type cold pipe, the water tank bottom is installed with the heat dissipation fin, the heat dissipation fin side the shell is installed with the air inlet fan, the electrostatic adsorption module includes installation box and a plurality of electrostatic generator, the electrostatic generator is installed on the inner wall of installation box, the installation box bottom is equipped with the dust fall box and is connected with sliding.
[0006] Furthermore, the three filter plates from bottom to top are respectively a particulate matter filter plate, an activated carbon filter plate and a fiber cloth filter plate, the cooling pipe mounting frame is fixedly connected to the outer shell by screws, and a side wall of the cooling pipe mounting frame close to the electrostatic adsorption module is a through design, and a plurality of through holes are penetrated on the side of the filter plate mounting frame close to the cooling module, and the U-shaped cooling pipe passes through one side of the cooling pipe mounting frame.
[0007] Furthermore, the side wall of the installation box close to the filter module is of a through design.
[0008] Furthermore, a fan is installed above the air curtain host.
[0009] Furthermore, the discharge pipe is connected to the housing via screws, and the discharge pipe is connected to the installation box.
[0010] Beneficial effects: The utility model has reasonable design and has the following beneficial effects:
[0011] 1. In this utility model, three different types of filter plates are used in combination. The particle filter plate, activated carbon filter plate and fiber cloth filter plate work together to effectively filter out various harmful substances in the smoke and improve the cleanliness of the exhaust air.
[0012] 2. In the present invention, the cooling module adopts a water tank, U-shaped cooling pipe and heat dissipation fins, which can effectively reduce the temperature of oil smoke, reduce the thermal damage of oil smoke to the equipment, and extend the service life of the equipment. The air intake fan in the cooling module draws in air to dissipate heat to the heat dissipation fins, and the hot air enters the filter plate mounting frame through the through-hole to flush the filter plate, thereby extending the cleaning and maintenance interval.
[0013] 3. In this utility model, the electrostatic adsorption module uses a mounting box and an electrostatic generator to effectively absorb tiny particles in cooking fumes, effectively treating them before they are discharged, thereby reducing the impact of cooking fumes on the environment. Furthermore, the dust box design makes cleaning easier and reduces maintenance workload. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Fig. 1 This is a schematic diagram of the structure of the utility model;
[0015] Fig. 2 This is a schematic diagram of the structure of the filter module of the utility model;
[0016] Fig. 3 This is an exploded diagram of the cooling module structure of the utility model;
[0017] Fig. 4 This is a schematic diagram of the structure of the electrostatic adsorption module of the utility model.
[0018] In the figure: 1 - shell, 2 - air curtain main machine, 3 - filter module, 4 - cooling module, 5 - electrostatic adsorption module, 6 - exhaust pipe;
[0019] 201 - fan, 301 - filter plate mounting frame, 302 - filter plate, 303 - cooling pipe mounting frame, 304 - through hole, 401 - water tank, 402 - U-shaped cooling pipe, 403 - heat dissipation fin, 404 - air inlet fan, 501 - mounting box, 502 - electrostatic generator, 503 - dust falling box. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0021] In combination Figs. 1 to 4 As shown in the figure, an exhaust gas circulating device of an oil fume exhaust system comprises a shell 1, the lower part of the shell 1 is provided with an air curtain main machine 2, the upper part of the air curtain main machine 2 is provided with a filter module 3, the two sides of the filter module 3 are respectively provided with a cooling module 4 and an electrostatic adsorption module 5, the top of the electrostatic adsorption module 5 is provided with an exhaust pipe 6, the filter module 3 comprises three drawer-type filter plate mounting frames 301, the three filter plate mounting frames 301 are all provided with filter plates 302, the uppermost part of the three filter plate mounting frames 301 is provided with a cooling pipe mounting frame 303, the cooling module 4 comprises a water tank 401, the side of the water tank 401 is provided with a plurality of U-shaped cooling pipes 402, the bottom of the water tank 401 is provided with heat dissipation fins 403, the side of the heat dissipation fins 403 is provided with an air inlet fan 404 on the shell 1, the electrostatic adsorption module 5 comprises a mounting box 501 and a plurality of electrostatic generators 502, the electrostatic generators 502 are mounted on the inner wall of the mounting box 501, and the bottom of the mounting box 501 is provided with a dust falling box 503 and is slidingly connected.
[0022] The three filter plates 302 from bottom to top are a particulate matter filter plate, an activated carbon filter plate and a fiber cloth filter plate, the cooling pipe mounting frame 303 is fixedly connected with the shell 1 through screws, the side wall of the cooling pipe mounting frame 303 close to the electrostatic adsorption module 5 is designed to be through, a plurality of through holes 304 are provided on the side of the filter plate mounting frame 301 close to the cooling module 4, and the U-shaped cooling pipes 402 penetrate through one side of the cooling pipe mounting frame 303.
[0023] The side wall of the mounting box 501 close to the filter module 3 is designed to be through.
[0024] The air curtain main machine 2 is provided with a fan 201.
[0025] The exhaust pipe 6 is connected with the shell 1 through screws, and the exhaust pipe 6 is connected with the mounting box 501 in a penetrating manner.
[0026] Working principle: in the using process, the oil fume is first sucked into the air curtain host 1 by the air suction port, and then is sent into the filter module 3, the module is composed of three drawer type filter plate mounting frames 301, different types of filter plates 302 are installed in each frame, first, the particulate filter plate (filters out large particles in the oil fume), then the activated carbon filter plate (removes odor and harmful gas in the oil fume), and finally the fiber cloth filter plate (filters small oil fume particles);
[0027] After the oil fume passes through the filter module 3, enters the cooling module 4, the U-shaped cold pipe 402 absorbs the heat of the oil fume, the heat dissipation fin 403 dissipates the heat absorbed by the U-shaped cold pipe 402, the air inlet fan 404 inhales air to cool the heat dissipation fin 403, so as to reduce the temperature of the oil fume, the filter plate mounting frame 301 is provided with a through hole 304 on the side close to the cooling module 4, allowing hot air to pass through, the hot air passes through the through hole 304 of the filter plate 302 mounting frame 301, and flushes the filter plate 302, which helps to prolong the cleaning and maintenance interval of the filter plate 302;
[0028] After the oil fume passes through the cooling module 4, enters the electrostatic adsorption module 5, the electrostatic generator 502 generates an electrostatic field, attracts the small particles in the oil fume, so that they are effectively treated before being discharged, the particles adsorbed in the oil fume finally fall into the dust falling box 503, after the above treatment, the harmful substances in the oil fume have been effectively removed, and the temperature has been reduced, and finally the oil fume is discharged through the discharge pipe 6.
[0029] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.
[0030] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.
Claims
1. An exhaust circulation device for an oil fume exhaust system, comprising a housing (1), characterized in that: An air curtain main unit (2) is provided at the lower part of the housing (1), a filter module (3) is provided above the air curtain main unit (2), a cooling module (4) and an electrostatic adsorption module (5) are provided on both sides of the filter module (3), a discharge pipe (6) is provided on the top of the electrostatic adsorption module (5), the filter module (3) comprises three drawer-type filter plate mounting frames (301), filter plates (302) are installed in the three filter plate mounting frames (301), a cooling pipe mounting frame (303) is provided at the top of the three filter plate mounting frames (301), the cooling module (4) and the electrostatic adsorption module (5) are provided on the top of the filter module (301), and the cooling pipe mounting frame (303) is provided on the top of the cooling module (301). The group (4) includes a water tank (401), a plurality of U-shaped cooling pipes (402) are installed on the side of the water tank (401), a heat dissipation fin (403) is installed on the bottom of the water tank (401), an air intake fan (404) is installed on the side of the heat dissipation fin (403), and the electrostatic adsorption module (5) includes a mounting box (501) and a plurality of electrostatic generators (502), the electrostatic generators (502) are installed on the inner wall of the mounting box (501), and a dust collecting box (503) is provided at the bottom of the mounting box (501) and is slidably connected.
2. The exhaust circulation device of the oil fume exhaust system according to claim 1, characterized in that: The three filter plates (302) are, from bottom to top, a particulate filter plate, an activated carbon filter plate, and a fiber cloth filter plate. The cooling pipe mounting frame (303) is fixedly connected to the housing (1) by screws. A side wall of the cooling pipe mounting frame (303) close to the electrostatic adsorption module (5) is of a through-type design. A plurality of through holes (304) are provided on a side of the filter plate mounting frame (301) close to the cooling module (4).
3. The exhaust circulation device of the oil fume exhaust system according to claim 2, characterized in that: The side wall of the installation box (501) close to the filter module (3) is of a through-type design.
4. The exhaust circulation device of the oil fume exhaust system according to claim 3, characterized in that: A fan (201) is installed above the air curtain main unit (2).
5. The exhaust circulation device of the oil fume exhaust system according to claim 4, characterized in that: The discharge pipe (6) is connected to the housing (1) via screws, and the discharge pipe (6) is connected to the installation box (501).