CN217928923U - Kitchen fume purifier - Google Patents

Abstract

The utility model discloses a kitchen oil fume purification device, which comprises: a housing with a closed accommodation space, an air inlet and an air outlet are arranged on the housing, and the housing space is sequentially arranged from the air inlet to the air outlet. There are a first support assembly, a second support assembly and a third support assembly; the first purification assembly is arranged on the first support assembly and is configured to remove particulate matter in kitchen fume; the second purification assembly is arranged on the second support assembly , configured to remove oily fumes in kitchen oily fumes; and a third purification component, disposed on the third support assembly, configured to remove volatile organic compounds in kitchen oily fumes. The kitchen lampblack purification device of the utility model has higher purification efficiency of waste gas components.

Description

Kitchen fume purification device

technical field

The utility model relates to the technical field of kitchen oil fume purification, in particular to a kitchen oil fume purification device.

Background technique

Kitchen fume is a kind of comprehensive waste gas produced during the cooking process of food. The cooking time is generally short and the interval is long. The total amount of waste gas generated is not large, but the amount of waste gas produced per unit time is relatively large. Kitchen fume mainly contains waste gas components such as oil fume, particulate matter and volatile organic compounds (VOCs). At present, the treatment of waste gas is mainly based on electrostatic adsorption, which can mainly treat oil fume and particulate matter in the waste gas, but VOCs components cannot be effectively treated.

With the improvement of national environmental protection requirements and stricter exhaust gas emission standards, electrostatic adsorption treatment alone can no longer meet the requirements for kitchen fume exhaust gas treatment. Therefore, in order to meet the emission requirements of VOCs components in kitchen fume, an efficient kitchen fume treatment device is needed, which can comprehensively treat kitchen fume.

The patent document with the publication number CN111623395A discloses a cooking oil fume purification device, which includes a dust collection cover, a first ventilation pipe is fixedly installed on the upper end of the dust collection cover, and an electrostatic oil fume is fixedly installed on one end of the first ventilation pipe. Purifier, and the first ventilation pipe communicates with the air inlet of the electrostatic oil fume purifier, the lower surface of the electrostatic oil fume purifier is fixedly equipped with a first hanger plate, and the front surface of the electrostatic oil fume purifier A purifier inspection door is fixedly installed on the top, a second ventilation pipe is fixedly installed at the air outlet of the electrostatic oil fume purifier, and a regenerative heat exchanger is fixedly installed at one end of the second ventilation pipe, and the second ventilation pipe The tube communicates with the air inlet of the regenerative heat exchanger. The patent document with the publication number CN204214009U discloses an all-in-one machine for oil fume purification and odor removal, including an electrostatic oil fume purifier and an odor removal device. The odor removal device includes a cylindrical shell, several circular activated carbon layers, and several circular activated carbon layers. The layers are placed horizontally in the cylindrical casing, and the air inlet of the odor removal device is connected with the air outlet of the electrostatic oil fume purifier. The oil fume purification device of the above-mentioned patent documents has a relatively complicated structure and a low degree of integration, which is not conducive to popularization and application.

Utility model content

The purpose of the utility model is to provide a kitchen oil fume purification device, which can be used to purify the oil fume produced in the cooking process in the kitchen. It has a simple structure, high safety, and high integration, which is convenient for popularization and application. Further, the purification efficiency of the purification device of the present utility model is relatively high.

The utility model provides a kitchen oil fume purification device, which comprises:

The housing has an airtight accommodation space. The housing is provided with an air inlet and an air outlet. In the accommodation space, a first support assembly, a second support assembly and a third support are sequentially arranged in the direction from the air inlet to the air outlet. components;

The first purification component is arranged on the first support component and is configured to remove particulate matter in kitchen fume;

The second purification component is arranged on the second support component and is configured to remove cooking fumes from kitchen fumes; and

The third purification component is arranged on the third support component and is configured to remove volatile organic compounds in kitchen fume.

According to the kitchen oil fume purification device of the present utility model, preferably, the positions corresponding to the first support assembly, the second support assembly and the third support assembly are respectively provided with a first inspection port, a second inspection port and a third inspection port on the housing ; The first inspection port, the second inspection port and the third inspection port are respectively provided with a first inspection door, a second inspection door and a third inspection door for opening and closing.

According to the cooking fume purification device of the present invention, preferably, the first purification assembly and the second purification assembly are detachably connected to the first support assembly and the second support assembly, so that the first purification assembly and the second purification assembly are respectively Take it out from the inside of the shell through the first inspection port and the second inspection port.

According to the cooking fume purifying device of the present invention, preferably, slide rails are provided on the top and bottom of the first support assembly and the second support assembly; the first purification assembly and the second purification assembly are respectively slidably connected to the slide rails.

According to the kitchen oil fume purification device of the present utility model, preferably, the first purification component includes a stainless steel filter module and a first fixing frame for fixing the stainless steel filter module, and the first fixing frame is slidably connected with the slide rail of the first support component; The second purification assembly includes an electrostatic adsorption module and a second fixing frame for fixing the electrostatic adsorption module, and the second fixing frame is slidably connected with the slide rail of the second support assembly.

According to the kitchen oil fume purification device of the present utility model, preferably, the third support component has a layer structure of at least two layers arranged along the horizontal direction; the third purification component includes: at least two activated carbon adsorption layers, at least two activated carbon adsorption layers Each of the layers is drawably connected to each layer in the layer structure of at least two layers, so that at least two activated carbon adsorption layers can be drawn out through the third inspection port; Airflow baffles are arranged alternately at opposite positions of the layer structure with at least two layers on the side, so that kitchen fume can pass through the activated carbon adsorption layer in the vertical direction.

According to the kitchen oil fume purifying device of the utility model, preferably, it also includes a fan, which is arranged inside the casing and is arranged near the air outlet; the air outlet of the fan is connected to the air outlet.

According to the cooking fume purification device of the present invention, preferably, a fourth inspection port is provided on the housing corresponding to the position of the fan, and a fourth inspection door for opening and closing is provided at the fourth inspection port.

According to the cooking fume purifying device of the present utility model, preferably, the fan is a frequency conversion fan, and a shock absorber is arranged between the fan and the casing.

According to the cooking fume purifying device of the present invention, preferably, the air inlet and the air outlet are arranged at both ends of the casing in the horizontal direction.

The kitchen oil fume purification device of the utility model can simultaneously remove the oil fume, particulate matter and VOCs in the kitchen oil fume, so that the kitchen oil fume meets the emission requirements, and integrates purification components with different functions into the same housing, which has a simple structure and a high degree of integration. Conducive to promotion and application. In addition, according to the technical solution of the utility model, the purification components with different functions are reasonably arranged in the casing, which ensures the good flow field uniformity of the oil fume, reduces the flow resistance of the oil fume in the purification device, and makes the operation of the purification device stable and reliable. .

Description of drawings

Fig. 1 is a schematic diagram of the internal structure of a cooking fume purification device of the present invention.

Fig. 2 is a schematic diagram of the external structure of a cooking fume purification device of the present invention.

The reference signs are explained as follows:

100-kitchen oil fume purification device,

110-housing, 111-inlet, 112-outlet, 113-intake pipe, 114-outlet pipe, 115-first inspection door, 116-second inspection door, 117-third inspection door, 118-the first Five access doors, 1181-start button, 1182-stop button, 1183-power indicator light, 119-equipment bracket,

120-the first support assembly, 121-the first purification assembly,

130-the second support assembly, 131-the second purification assembly,

140-the third support component, 141-the third purification component, 1411-activated carbon adsorption layer, 142-airflow baffle,

150 - fan.

Detailed ways

The utility model will be further described below in conjunction with specific embodiments, but the protection scope of the utility model is not limited thereto.

The kitchen oil fume purifying device in the utility model is mainly used for purifying and treating low-altitude kitchen oil fumes. For example, it is used in hotels, restaurants, restaurants, restaurants, schools, institutions, factories and other places involving food frying and cooking. The kitchen oil fume purification device of the utility model can effectively purify the waste gas components in the kitchen oil fume, make the kitchen oil fume reach the discharge standard, and realize the comprehensive treatment of the kitchen oil fume. Moreover, the kitchen lampblack purifying device of the utility model has the advantages of simple structure, high safety and high integration degree, and is convenient for popularization and application.

The cooking oil fume purifying device of the utility model comprises a housing with an airtight accommodation space, and the housing is provided with an air inlet and an air outlet for kitchen oil fume to enter and discharge. A first purification component, a second purification component and a third purification component are sequentially arranged in the casing along the flow direction of the oil fume. When using the kitchen oil fume purifying device of the present utility model, after the kitchen oil fume enters the kitchen oil fume purifying device through the air inlet, the macromolecular particles in the kitchen oil fume are firstly removed by the first purification component to realize the first stage of purification. Then, the second purification component is used to remove the oil fume in the kitchen fume to realize the second level of purification. Finally, the volatile organic compounds in the kitchen fume are removed through the third purification component to achieve the third level of purification. In this way, through the above-mentioned three-stage purification, the purification efficiency of the kitchen fume is improved, the exhaust gas components in the kitchen fume are effectively removed, and the kitchen fume meets the emission standard.

The air inlet and the air outlet of the utility model are arranged at both ends of the casing in the horizontal direction. Preferably, an air intake pipe is connected to the air inlet, and the air intake pipe is welded to the air inlet of the housing, and an air outlet pipe is connected to the air outlet, and the air outlet pipe is welded to the air outlet of the housing. The other end of the air inlet pipe can be connected with the exhaust hood through a flange, and the air outlet pipe is exposed to the external environment.

The casing of the present invention is made of stainless steel, for example, so as to prevent the casing from being corroded by kitchen fumes. In addition, a heat insulation layer may also be provided on the outer wall of the housing to prevent the high-temperature gas in the kitchen oil fume purification device from adversely affecting personnel outside the kitchen oil fume purification device. The structure of the heat insulating layer is not particularly limited, and those well-known in the art will suffice.

In the cooking fume purifying device of the present invention, the first purifying component, the second purifying component and the third purifying component are arranged in the housing through the first supporting component, the second supporting component and the third supporting component respectively, which can improve the efficiency of the purifying component. Stability, so that the kitchen oil fume purification device operates stably and reliably. Moreover, the first supporting component, the second supporting component and the third supporting component can also increase the overall strength of the purification device.

In addition, the utility model can also further enhance the overall strength of the kitchen oil fume purification device by arranging reinforcing ribs on the inner wall of the casing. Moreover, the arrangement of reinforcing ribs on the inner wall of the casing can also ensure the flatness of the outer wall of the casing, and improve the aesthetics of the cooking oil fume purifying device. For example, the housing can be a long tubular structure with a square, circular or elliptical cross-sectional shape, and the reinforcing rib can be a square, circular or elliptical support frame matching the cross-sectional shape of the shell.

The housing of the utility model is respectively provided with a first inspection port, a second inspection port and a third inspection port at positions corresponding to the first support assembly, the second support assembly and the third support assembly. A first inspection door, a second inspection door and a third inspection door for opening and closing are arranged at the second inspection port and the third inspection port respectively. In this way, the first inspection door, the second inspection door and the third inspection door can be respectively opened during equipment maintenance, so that the first purification component, the second The purification component and the third purification component perform maintenance work such as maintenance and cleaning respectively. When the equipment is running, the first inspection port, the second inspection port and the third inspection port can be closed through the first inspection door, the second inspection door and the third inspection door to keep the shell closed, avoid kitchen oil fume leakage, and improve the purification equipment sealing performance.

Preferably, the first inspection door, the second inspection door and the third inspection door are respectively connected with the first inspection opening, the second inspection opening and the third inspection opening through heavy-duty hinges and pressing handles. In addition, elastic sealing strips may also be provided at the first inspection port, the second inspection port and the third inspection port to further ensure the airtightness of the kitchen oil fume purification device. The elastic sealing strip can be made of polytetrafluoroethylene. In addition, when the distance between the first purification component, the second purification component and the third purification component is relatively small, one or two access openings can also be adaptively reduced, so that multiple purification components share the access opening.

The first purification component of the present utility model may include a stainless steel filter module and a first fixing frame for fixing the stainless steel filter module. The stainless steel filter module may include multi-layer porous stainless steel mesh, and the standard mesh of the stainless steel mesh of the stainless steel filter module is 20, 40 or 60, etc. In order to improve the purification effect of macromolecular particles, the stainless steel filter module can also choose a stainless steel mesh with a smaller standard mesh. According to the size and quantity of the stainless steel filter modules, the first fixing frame can be adaptively provided only with an outer frame, or a crossbeam and a vertical beam are arranged in the outer frame to divide the fixing frame into multiple installation windows for installing the stainless steel filter modules.

The second purification component of the present invention may include an electrostatic adsorption module and a second fixing frame for fixing the electrostatic adsorption module. The electrostatic adsorption module can include a high-voltage generator connected to the power supply and multiple sets of alternately arranged high-voltage positive plates and cathode needles. The high-voltage positive plate can be a corrosion-resistant and high-temperature resistant metal conductive plate and is connected to the positive pole of the high-voltage generator. The cathode needle can be Corrosion-resistant and high-temperature-resistant metal conductive rods with serrations on the outside are connected to the negative pole of the high-voltage generator. In order to improve the safety of the kitchen oil fume purification device, the high-voltage generator is connected to an external power supply and equipped with a short-circuit protector. According to the size and quantity of the electrostatic adsorption modules, the second fixing frame can be adaptively provided only with an outer frame, or a crossbeam and a vertical beam are arranged in the outer frame to divide the fixing frame into a plurality of installation windows for installing the electrostatic adsorption modules. In addition, the second purification assembly may also include components such as an oil guiding groove and an oil collecting groove, for collecting oil droplets adsorbed by the electrostatic adsorption module.

The first purification assembly and the second purification assembly of the present utility model are respectively detachably connected with the first support assembly and the second support assembly, so that the first purification assembly and the second purification assembly pass through the first inspection port and the second inspection port respectively. The mouth is removed from the inside of the housing. This makes it easier for maintenance personnel to maintain and clean the first purification assembly and the second purification assembly.

As a feasible implementation, the top and the bottom of the first support assembly and the second support assembly are respectively provided with slide rails; the first purification assembly and the second purification assembly are respectively slidably connected with the slide rails, so that the first purification assembly and the The second purification assembly is taken out from the housing. Specifically, the first fixing bracket of the first cleaning component is slidably connected to the slide rail of the first supporting component; the second fixing bracket of the second cleaning component is slidably connected to the sliding rail of the second supporting component.

The third support assembly of the present invention has a layer structure of at least two layers arranged along the horizontal direction. Correspondingly, the third purification assembly of the present invention may include at least two activated carbon adsorption layers, and the activated carbon adsorption layer is internally arranged There is activated carbon. Each of the at least two activated carbon adsorption layers is drawably connected to each layer in the layer structure of at least two layers, so that the at least two activated carbon adsorption layers are drawn out through the third inspection port. In this way, it is convenient to replace the activated carbon adsorption layer or replace the activated carbon. Airflow baffles are alternately arranged on both sides of the third support assembly in the horizontal direction except for the layer structure of at least two layers, so that kitchen fumes can pass through the activated carbon adsorption layer in the vertical direction. In this way, the removal efficiency of the third purification component for volatile organic compounds in kitchen fume can be improved.

It should be noted here that, for the specific structures of the first purification component, the second purification component and the third purification component, other structures well known in the art may also be used.

The cooking oil fume purifying device of the present utility model also includes a fan, and the fan is arranged inside the casing and is arranged near the air outlet. The air outlet of the fan communicates with the air outlet. In this way, a negative pressure can be formed inside the housing, which facilitates the entry of cooking fumes into the housing. Preferably, an equipment support is provided inside the casing, and the fan is mounted on the equipment support by fasteners such as bolts.

The fan of the utility model is a frequency conversion fan, and a shock absorber is arranged between the fan and the casing. The frequency conversion fan can reduce the overall energy consumption of the kitchen oil fume purification device, and the installation of shock absorbers can relieve the vibration generated during the operation of the fan, thereby reducing noise and ensuring the smooth operation of the kitchen oil fume purification device. The structure of the shock absorber is not particularly limited, and those well known in the art will suffice, such as a spring shock absorber.

The housing of the utility model is provided with a fourth inspection port at a position corresponding to the fan, and a fourth inspection door for opening and closing is provided at the fourth inspection port. In this way, the operator can maintain the fan through the fourth inspection port, thereby ensuring the stable operation of the kitchen oil fume purification device.

The cooking oil fume purifying device of the utility model also includes a power system for providing power for the electrostatic adsorption module and the fan. The power system includes a start button, a stop button, and a power indicator light. Exemplarily, the casing is further provided with a fifth inspection port and a fifth inspection door for opening and closing the fifth inspection port. The start button, stop button and power indicator light can be set on the fifth inspection door. The start and stop of the kitchen oil fume purification device can be controlled through the start button and stop button, and the operator can know the operating status of the kitchen oil fume purification device through the power indicator light. . The structure of the power system is not particularly limited, and those well-known in the art will suffice.

The kitchen oil fume purification device provided by the exemplary embodiment of the utility model is easy to operate and has high safety, and the kitchen oil fume purification device of the utility model can be applied to kitchen oil fume purification in various occasions, and has high purification efficiency.

Example 1

Fig. 1 is a schematic diagram of the internal structure of a cooking fume purification device of the present invention. Fig. 2 is a schematic diagram of the external structure of a cooking fume purification device of the present invention. The direction of the arrow in Fig. 1 is the forward direction of kitchen fumes. The kitchen oil fume purifying device 100 includes a housing 110 with a closed accommodation space, and the housing 110 is provided with an air inlet 111 and an air outlet 112 for the kitchen oil fume to enter and discharge. A first purification component 121 , a second purification component 131 , and a third purification component 141 are sequentially arranged in the housing 110 along the direction of kitchen oil fume flow. A fan 150 is also provided in the casing 110 .

As shown in Figures 1 and 2, the housing 110 is extended in the horizontal direction, and an air inlet 111 and an air outlet 112 are provided at both ends of the housing 110 in the horizontal direction, so that the cooking fume can be fully discharged in the housing 110. purify. The air inlet 111 is connected with an air inlet pipe 113, the air inlet pipe 113 is welded to the air inlet 111 of the housing 110, the air outlet 112 is connected to an air outlet pipe 114, and the air outlet pipe 114 is welded to the air outlet 112 of the housing 110 connect. The other end of the air inlet pipe 113 can be connected to the exhaust hood through a flange, and the air outlet pipe 114 is exposed to the external environment.

As shown in FIG. 1 , the fan 150 is arranged near the air outlet 112 , and the air outlet of the fan 150 communicates with the air outlet 112 . The fan 150 is installed on the equipment support 119 through fasteners such as bolts. In this way, the fan 150 can form a negative pressure inside the casing 110 during operation, so that cooking fume enters the inside of the casing 110 through the air inlet 111 . The fan 150 may be a centrifugal fan as shown in FIG. 1 , or other structures well known in the art. Moreover, the fan 150 is built in the casing 110 , which can reduce the overall volume of the kitchen oil fume purification device 100 and further improve the integration of the kitchen oil fume purification device 100 .

The fan 150 of the utility model preferably adopts a frequency conversion fan, such as a frequency conversion speed regulation control device, by changing the speed of the fan 150, thereby changing the air volume of the fan 150 to meet the purification needs of kitchen oil fume, and the energy consumption is the most economical, and the comprehensive benefit is the highest. In addition, frequency conversion speed regulation is an efficient and optimal speed regulation scheme, which can realize stepless speed regulation of fan 150, and can conveniently form a closed-loop control system to realize constant pressure or constant flow control, which is conducive to maintaining the utility model. The stable operation of the kitchen oil fume purification device 100 reduces noise.

A shock absorber (not shown) may also be provided between the blower fan 150 and the housing 110 of the present invention to relieve the vibration generated during the operation of the blower fan 150 and further achieve the purpose of reducing noise. The shock absorber can be, for example, a spring shock absorber.

In the kitchen oil fume purification device 100 of the present utility model, the first purification component 121, the second purification component 131 and the third purification component 141 are arranged on the casing through the first support component 120, the second support component 130 and the third support component 140 respectively. Inside the body 110 . The first support assembly 120, the second support assembly 130, and the third support assembly 140 are frame structures that match the internal structure of the housing 110, and these frame structures are fixedly connected to the inner wall of the housing 110, for example, by welding, bolting, etc. The form realizes the fixed connection of the two. It should be noted that no side panels are provided on the side of the frame structure to allow kitchen fumes to pass through.

Specifically, the top and the bottom of the first support assembly 120 and the second support assembly 130 are respectively provided with slide rails; 121 and the second purification assembly 131 are taken out from the casing 110 . Specifically, the first fixing bracket of the first purification component 121 is slidably connected to the slide rail of the first support component 120 ; the second fixing bracket of the second purification component 131 is slidably connected to the slide rail of the second support component 130 .

The third support assembly 140 has a layer structure of at least two layers arranged in the horizontal direction. Correspondingly, the third purification assembly 141 of the present invention may include at least two activated carbon adsorption layers 1411, and the activated carbon adsorption layer 1411 is internally arranged There is activated carbon. Each of the at least two activated carbon adsorption layers 1411 is drawably connected to each layer in the layer structure of at least two layers, so that the at least two activated carbon adsorption layers 1411 are drawn out through the third inspection port. In this way, it is convenient to replace the activated carbon adsorption layer 1411 or replace the activated carbon. As shown in FIG. 1 , airflow baffles 142 are alternately arranged on both sides of the third support assembly 140 in the horizontal direction except for the layer structure of at least two layers, so that kitchen fumes can pass through the activated carbon in the vertical direction. Adsorption layer. In this way, the removal efficiency of the third purification component 141 on the volatile organic compounds in the kitchen fume can be improved.

The cooking oil fume purification device 100 of the present utility model also includes a power system for providing power for the electrostatic adsorption module and the fan 150 . The power system includes a start button 1181, a stop button 1182, a power indicator light 1183, and the like.

As shown in Figure 2, the housing 110 of the present invention is respectively provided with a first inspection port, a second inspection port and a third inspection port at positions corresponding to the first support assembly 120, the second support assembly 130 and the third support assembly 140. Moreover, a first inspection door 115, a second inspection door 116, and a third inspection door 117 for opening and closing are provided at the first inspection port, the second inspection port, and the third inspection port, respectively. In addition, the housing 110 is further provided with a fifth inspection port and a fifth inspection door 118 for opening and closing the fifth inspection port. The start button 1181, the stop button 1182 and the power indicator light 1183 etc. can be arranged on the fifth inspection door 118, the start and stop of the kitchen oil fume purification device 100 can be controlled by the start button 1181 and the stop button 1182, and the operator can be activated by the power indicator light 1183. It is known whether the power supply of the kitchen oil fume purifying device 100 is turned on.

The process flow is described in detail below:

When using the kitchen oil fume purification device 100, turn on the power of the equipment, the power indicator light 1183 lights up, start the kitchen oil fume purification device 100 through the start button 1181, the electrostatic adsorption module of the second purification component 131 and the fan 150 start, and the waste gas containing the exhaust gas components The kitchen fume enters the interior of the housing 110 through the air inlet 111. First, the stainless steel filter module of the first purification component 121 filters out the particulate matter in the kitchen fume, and then the electrostatic adsorption module of the second purification component 131 absorbs the fume in the kitchen fume. Finally, the activated carbon adsorption layer 1411 of the third purification component 141 absorbs the VOCs gas components in the kitchen fume, so that the kitchen fume reaches the emission standard, and then is discharged through the air outlet 112 under the action of the fan 150 . After the operation of the kitchen oil fume purification device 100 is completed, the operation of the kitchen oil fume purification device 100 is stopped by pressing the stop button 1182 . By adopting the kitchen oil fume purification device 100 of the present utility model, the particle matter and oil fume treatment efficiency in the kitchen oil fume can be greater than 90%, and the removal efficiency of VOCs can be greater than 95%.

When maintaining the kitchen oil fume purification device 100, when the kitchen oil fume purification device 100 is stopped, open the inspection doors corresponding to the respective purification components and support components, take out the first purification component 121 and the second purification component 131, and use a high-pressure water gun to perform maintenance. Rinse, and when finished, allow to dry. Finally, put the dried first purification assembly 121 and second purification assembly 131 back into the housing 110 , pull out each activated carbon adsorption layer 1411 of the third purification assembly 141 for replacement, and close the inspection door. The kitchen oil fume purification device 100 can be used again after maintenance is completed.

What needs to be explained here is that for the first purification component 121, the second purification component 131 and the third purification component 141, the respective maintenance time can be adjusted according to the frequency of use, and not all three purification components are maintained during each maintenance. Depending on the respective degree of soiling, it is decided which purification unit should be serviced.

The utility model is not limited to the above-mentioned embodiments. Without departing from the essential content of the utility model, any deformation, improvement and replacement conceivable by those skilled in the art all fall within the scope of the utility model.

Claims (10)

1. A kitchen oil fume purification device, characterized in that it comprises: The housing has an airtight accommodation space, the housing is provided with an air inlet and an air outlet, and the housing space is sequentially provided with a first support assembly, a first support assembly, a second support assembly and a third support assembly; a first purification component, arranged on the first support component, configured to remove particulate matter in kitchen fumes; The second purification component is arranged on the second support component and is configured to remove cooking fumes from kitchen fumes; and The third purification component is arranged on the third support component and is configured to remove volatile organic compounds in kitchen fumes. 2. The kitchen oil fume purification device according to claim 1, characterized in that, A first inspection port, a second inspection port, and a third inspection port are opened on the housing corresponding to the positions of the first support assembly, the second support assembly, and the third support assembly; A first inspection door, a second inspection door and a third inspection door for opening and closing are respectively arranged at the first inspection opening, the second inspection opening and the third inspection opening. 3. The kitchen oil fume purification device according to claim 2, characterized in that, the first purification assembly and the second purification assembly are detachably connected to the first support assembly and the second support assembly respectively so that the first cleaning assembly and the second cleaning assembly can be taken out of the casing through the first inspection port and the second inspection port respectively. 4. The kitchen oil fume purifying device according to claim 3, characterized in that, Slide rails are respectively provided on the top and bottom of the first support assembly and the second support assembly; The first cleaning assembly and the second cleaning assembly are respectively slidably connected to the sliding rails. 5. The kitchen oil fume purification device according to claim 4, characterized in that: The first purification assembly includes a stainless steel filter module and a first fixing frame for fixing the stainless steel filter module, and the first fixing frame is slidably connected with the slide rail of the first support assembly; The second purification assembly includes an electrostatic adsorption module and a second fixing frame for fixing the electrostatic adsorption module, and the second fixing frame is slidably connected to the slide rail of the second support assembly. 6. The cooking oil fume purifying device according to any one of claims 2 to 4, characterized in that, The third supporting component has a layer structure of at least two layers arranged along the horizontal direction; The third purification component includes at least two activated carbon adsorption layers, and each of the at least two activated carbon adsorption layers is connected to each layer in the layer structure of the at least two layers so that the at least Two activated carbon adsorption layers are drawn out through the third inspection port; Wherein, airflow baffles are alternately provided on both sides of the third support assembly in the horizontal direction except for the at least two-layer layer structure, so that kitchen fumes can pass through the Activated carbon adsorption layer. 7. The cooking oil fume purification device according to claim 6, further comprising a fan; the fan is arranged inside the casing and is arranged close to the air outlet; the air outlet of the fan is connected to the air outlet The air outlets are connected. 8. The kitchen oil fume purification device according to claim 7, characterized in that, a fourth inspection port is provided on the housing corresponding to the position of the fan, and a button for opening and closing is provided at the fourth inspection port. Fourth access door. 9. The cooking oil fume purifying device according to claim 7, wherein the fan is a variable frequency fan, and a shock absorber is arranged between the fan and the casing. 10 . The cooking oil fume purifying device according to claim 6 , wherein the air inlet and the air outlet are arranged at both ends of the housing in the horizontal direction. 11 .

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