CN212417422U

CN212417422U - Catering oil smoke purification system

Info

Publication number: CN212417422U
Application number: CN202020820692.5U
Authority: CN
Inventors: 吴伟业; 陈嘉明; 吴立深
Original assignee: SHENZHEN ACADEMY OF ENVIRONMENTAL SCIENCES
Current assignee: SHENZHEN ACADEMY OF ENVIRONMENTAL SCIENCES
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2021-01-29
Anticipated expiration: 2030-05-15

Abstract

The utility model discloses a food and beverage oil smoke clean system, it includes the shell, set up in the air inlet and the gas vent of shell both sides, set up in the shell and set gradually in whirl board, flow board, high-pressure static oil smoke clarifier, oil mist filter equipment, peculiar smell processing apparatus between air inlet and the gas vent, connect in the shell below and with the inside communicating catch tray of shell, just but the whirl board is set up to the relative shell rotation, gets into the utility model discloses the food and beverage oil smoke in the system is through rotatory whirl board, flow board, high-pressure static oil smoke clarifier, deoiling fog device, remove layer upon layer processing of peculiar smell device to the purifying rate is high, and the oil smoke peculiar smell after handling is little.

Description

Catering oil smoke purification system

Technical Field

The utility model relates to an oil smoke processing technology field especially relates to food and beverage oil smoke clean system.

Background

With the rapid development of the catering industry, the oil fume pollution caused by the oil fume pollution is increasingly prominent, and the oil fume pollution also causes great harm to the health of people, particularly the oil fume pollution of catering in large hotels, restaurants and the like which are close to residential areas; in addition, some big hotels or large enterprise dining halls have more related dishes, and the oil smoke taste is particularly large, so that the pollution is more serious, and in order to avoid the situation, the oil smoke in the restaurants is generally treated.

In the traditional treatment at present, only a single electrostatic oil fume purifier is generally adopted, and the single treatment mode has the defects of low oil fume purification rate and high peculiar smell concentration.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned shortcoming, provide a food and beverage oil smoke clean system, its oil smoke purifying rate is high, and the food and beverage oil smoke peculiar smell after this system handles is little.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a food and beverage oil smoke clean system, includes the shell, set up in the air inlet and the gas vent of shell both sides, set up in the shell and set gradually in whirl board, flow equalizing plate, high-pressure static oil smoke clarifier, oil mist filter equipment, peculiar smell processing apparatus between air inlet and the gas vent, connect in the shell below and with the inside communicating catch tray of shell, just but the whirl board is set up to relative shell rotation.

The catering oil fume purification system also comprises a main frame, the main frame is connected in the shell, and the rotational flow plate can be relatively rotatably connected to the main frame; the cyclone plate includes the whirl blind plate and set up in whirl blind plate outlying whirl blade, be provided with the through-hole that runs through about on the main frame, just be provided with the round recess on the inside wall of through-hole, the whirl blind plate and the whirl blade of the whirl blind plate that send all are located towards one side of whirl blind plate in the through-hole, the whirl blade is kept away from the one end of whirl blind plate and is stretched into in the recess.

An opening for the main frame to pass in and out is formed in one side of the shell, the upper position and the lower position of the opening are corresponding to the opening, an upper guide rail capable of being matched with the upper end of the main frame is arranged on the inner top wall of the shell, and a lower guide rail capable of being matched with the lower end of the main frame is arranged on the inner bottom wall of the shell; and a door which can be closed/opened is also arranged on the shell corresponding to the opening hole on the shell.

The oil mist filtering device comprises a baffle plate demister, a random packing demister and a wire mesh demister which are sequentially arranged at intervals.

The cross-sectional area of the baffle plate demister is smaller than that of the high-voltage electrostatic oil fume purifier.

A blind plate is arranged between the outer side of the baffle plate demister and the inner wall of the shell.

And a bidirectional backwashing device is arranged between the baffle plate demister and the random packing demister, or/and a bidirectional backwashing device is arranged between the random packing demister and the wire mesh demister.

The bidirectional backwashing device comprises a pipeline connected with the shell and nozzles respectively arranged on two opposite sides of the pipeline, wherein the nozzle on one side of the pipeline of the bidirectional backwashing device between the baffle plate demister and the random packing demister faces the baffle plate demister, and the nozzle on the other side of the pipeline of the bidirectional backwashing device faces the random packing demister; and the nozzles on one side of the pipeline of the bidirectional backwashing device between the random packing demister and the wire mesh demister face the random packing demister, and the nozzles on the other side face the wire mesh demister.

The peculiar smell treatment device comprises a frame connected with the inner wall of the shell and activated carbon arranged in the frame.

A through hole for the frame to pass in and out is formed in one side of the shell, the position of the through hole corresponds to the position of the through hole, a left L-shaped angle iron-shaped guide rail and a right L-shaped angle iron-shaped guide rail which are matched with the left side and the right side of the lower end of the frame respectively are arranged on the inner wall of the shell, and the left L-shaped angle iron-shaped guide rail and the right L-shaped; and a door which can be opened/closed is arranged on the shell corresponding to the through hole.

Compared with the prior art, the utility model, following beneficial effect has:

1. the utility model adopts the dynamic rotational flow plate, the flow equalizing plate, the high-voltage electrostatic oil smoke purifier, the oil smoke removing device and the peculiar smell removing device to carry out layer-by-layer treatment on the oil smoke in the food and beverage, thereby having high oil smoke purification rate and little peculiar smell of the oil smoke in the food and beverage treated by the system;

2. the dynamic cyclone plate structure design is adopted, so that the centrifugal force generated by the cyclone plate is larger, more oil drops can be separated from the oil smoke, the purification efficiency of the oil smoke can be improved, the processing load and power of a subsequent high-voltage electrostatic purifier can be greatly reduced, the energy is saved, and the operation cost of the high-voltage electrostatic purifier is also greatly reduced;

3. the combination of the baffle plate demister, the random packing demister and the multiple demisting device of the silk screen demister is adopted, so that the oil mist removal efficiency of the utility model is greatly improved, and the resistance of a subsequent pipeline system and the risk of blockage of subsequent equipment are greatly reduced;

4. the bidirectional backwashing device is arranged among the baffle plate demister, the random packing demister and the wire mesh demister, so that the baffle plate demister, the random packing demister and the wire mesh demister can be cleaned, blockage is avoided, the working time of the baffle plate demister, the random packing demister and the wire mesh demister is greatly prolonged, and the workload of system maintenance is greatly reduced; and because the two-side back washing system is arranged, the whole volume of the utility model can be reduced, thereby the occupied area of the utility model is reduced, thus the requirement on the installation site is reduced, and the application range is wider;

5. the odor removing device is an active carbon odor remover, which can meet the deep treatment of VOCs and odor in the oil fume; meanwhile, the peculiar smell removing device adopts a drawer type structure design, so that the active carbon is more convenient to replace.

Drawings

FIG. 1 is a front view of the cooking fume purification system of the present invention;

FIG. 2 is an enlarged view of the combination of the rotational flow plate and the main frame of the catering oil fume purification system of the present invention;

fig. 3 is a schematic view showing the combination of the frame and the angle iron of the odor treatment device of the oil smoke purification system of the present invention.

Detailed Description

As shown in fig. 1, the utility model discloses catering oil smoke clean system, including shell 1, set up in the air inlet 11 and the gas vent 12 of 1 both sides of shell, set up in the shell 1 and set gradually in whirl board 2, flow equalizing plate 3, high-pressure electrostatic oil smoke clarifier 4, oil mist filter equipment, peculiar smell processing apparatus 5 between air inlet 11 and the gas vent 12, connect in shell 1 below and with 1 inside communicating catch tray 6 of shell, just but whirl board 2 is set up to 1 rotations of shell relatively.

As shown in fig. 2, the catering oil smoke purification system of the utility model further comprises a main frame 20, the main frame 20 is connected in the housing 1, and the rotational flow plate 2 can be connected on the main frame 20 in a relative rotation manner.

The cyclone plate 2 comprises a cyclone blind plate 21 and cyclone blades 22 arranged on the periphery of the cyclone blind plate 21, and a motor connecting bearing 23 is arranged on the cyclone blind plate 21; the cyclone blind plate 21 is connected with an output shaft of a motor (not shown) through a motor connecting bearing 23, and the motor is fixedly connected to the main frame 20. When the motor works, the output shaft of the motor drives the rotational flow blind plate 21 to rotate, namely, the rotational flow plate 2 is driven to rotate, so that the rotational flow plate 2 can rotate relative to the main frame 20 and also rotate relative to the housing 1.

In this embodiment, preferably, a through hole 201 penetrating left and right is formed in the main frame 20, a circle of groove 202 is formed in an inner side wall of the through hole 201, the swirl blind plate 21 of the sent swirl plate 2 and one side of the swirl vane 22 facing the swirl blind plate 21 are both located in the through hole 201, and one end of the swirl vane 22, which is far away from the swirl blind plate 21, extends into the groove 202. So set up, when the oil smoke when rotatory whirl board 2, the oil droplet that is thrown away by the separation only can be thrown into in the recess 202, and can not be thrown to 1 inner wall of shell to avoid 1 inner wall of shell to be stained with the condition emergence that oil droplet is not cleared up well. A conduit (not shown) communicating with the groove 202 may be provided at one side of the groove 202, and a lower end of the conduit is communicated downward with the droplet collection tray 6, so that the droplets thrown into the groove 202 can be discharged into the droplet collection tray 6.

In this embodiment, one side of the housing 1 is provided with an opening for the main frame 20 to go in and out, corresponding to the upper and lower positions of the opening, the inner top wall of the housing 1 is provided with an upper guide rail 24 capable of being matched with the upper end of the main frame 20, and the inner bottom wall is provided with a lower guide rail 25 capable of being matched with the lower end of the main frame 20; and a door (not shown) capable of being closed/opened is further provided on the housing 1 corresponding to the opening of the housing 1.

When the swirl plate 2 is installed in the housing 1, that is, the main frame 20 and the swirl plate 2 are assembled together in the housing 1, that is, the main frame 20 and the swirl plate 2 together form a swirl plate module. In this embodiment, preferably, one rotational flow plate module includes four rotational flow plates 2, and the four rotational flow plates 2 are connected to the main frame 20 at intervals in 2 rows x 2 columns. Therefore, the oil smoke entering the shell 1 can be treated more uniformly when flowing through the four cyclone plates 2, so that the treatment effect is better.

The specific assembly mode of the swirl plate module and the shell 1 is as follows:

the door is opened, then the main frame 20 is pushed into the housing 1 through the opening, and the upper end and the lower end of the main frame 20 move into the housing 1 along the upper guide rail 24 and the lower guide rail 25 respectively until the main frame 20 can not move any more, which indicates that the whirl plate module moves in place; at the moment, the door is closed; when will changing whirl board 2, open the door, outwards take main frame 20 out, be about to whole whirl board module take out, the new whirl board module of repacking, later close the door again can. So, modular whirl board module is deuterogamied and is taken out the equipment mode of inserting formula, makes the utility model discloses later maintenance is convenient very much.

In the present embodiment, the upper rail 24 is provided in an inverted U-shape, and the lower rail 25 is provided in a U-shape. The upper guide rail 24 and the lower guide rail 25 not only can guide the movement of the main frame 20, but also can support the whirl plate module.

The high-voltage electrostatic oil fume purifier 4 is a mature product available on the market, the model is not limited, and the structure and the working principle are known technologies, so that the details are not described herein.

In this embodiment, the oil mist filtering device includes a baffle demister 7, a random packing demister 8, and a wire mesh demister 9, which are sequentially disposed at intervals.

Preferably, the cross-sectional area of the baffle demister 7 is smaller than the cross-sectional area of the high-voltage electrostatic oil fume purifier 4. In this embodiment, a blind plate 71 is provided between the outer side of the baffle mist eliminator 7 and the inner wall of the casing 1. A continuous ring of annular blind plates 71 can be arranged between the outer side of the baffle plate demister 7 and the inner wall of the shell 1; the blind plate 71 may be provided between only a part of the outer side of the baffle demister 7 and the inner wall of the casing 1. In this embodiment, only the blind plates 71 are disposed between two opposite sides of the baffle mist eliminator 7 and the inner wall of the casing 1. That is to say, the utility model discloses a setting of blind plate 71 and realizing that the cross-sectional area of baffling board defroster 7 is less than the purpose of the cross-sectional area of high voltage static oil smoke clarifier 4, simple structure easily realizes.

The random packing demister 8 comprises a support frame 81 connected with the inner wall of the housing 1 and random packing 82 arranged in the support frame 81.

Preferably, a bidirectional backwashing device 10 is arranged between the baffle plate demister 7 and the random packing demister 8, or/and a bidirectional backwashing device 10 is arranged between the random packing demister 8 and the wire mesh demister 9. That is, the bidirectional backwashing device 10 may be provided only between the baffle plate demister 7 and the random packing demister 8, or the bidirectional backwashing device 10 may be provided only between the random packing demister 8 and the wire mesh demister 9, or the bidirectional backwashing device 10 may be provided between the baffle plate demister 7 and the random packing demister 8, or the bidirectional backwashing device 10 may be provided between the random packing demister 8 and the wire mesh demister 9.

The bidirectional backwashing device 10 comprises a pipeline 101 connected with the shell 1 and

nozzles

102 and 103 respectively arranged on two opposite sides of the pipeline 101, namely, on the pipeline 101 of the bidirectional backwashing device 10 between the baffle plate demister 7 and the random packing demister 8, the nozzle 102 on one side faces the baffle plate demister 7, and the nozzle 103 on the other side faces the random packing demister 8; the two-way back washing device 10 between the random packing demister 8 and the wire mesh demister 9 has a pipe 101, one side of which is opposite to the random packing demister 8 and the other side of which is opposite to the wire mesh demister 9, and the pipe 101 is communicated with a washing liquid storage device (not shown) through a pipeline 104. The utility model discloses in the course of the work, the flush fluid can be washed through pipeline 104, pipeline 101, nozzle to flow plate defroster 7, random packing defroster 8, silk screen defroster 9 to can get rid of oil, fog or other filth that glue on each defroster, wash in the dirty catch tray 6 that falls into below. Therefore, each demister can be prevented from being blocked, the continuous working time of each demister is greatly prolonged, and the maintenance workload of the utility model is greatly reduced; particularly, the random packing demister 8 can be flushed from two directions, so that the random packing can be prevented from being wrapped by oil mist to lose a demisting function, and thus, the random packing can be used for a longer time, and the cost of the utility model is reduced; in addition, because what set up is two-way back flush unit 10 to need not to set up three washing unit to three defroster, so can reduce the utility model discloses holistic volume, thereby reduce the utility model discloses an area, so, reduce the requirement to the installation place, thereby the utility model discloses application scope is wider.

The odor treatment device 5 comprises a frame 51 connected with the inner wall of the housing 1 and activated carbon arranged in the frame 51, preferably, the activated carbon is honeycomb activated carbon, and the adsorption capacity of the activated carbon is stronger.

In this embodiment, the frame 51 and the housing 1 are assembled in a drawer type. Specifically, a through hole for the frame 51 to enter and exit is formed in one side of the housing 1, and two left and right L-shaped angle iron-shaped guide rails 52 which are respectively matched with the left side and the right side of the lower end of the frame 51 are arranged on the inner wall of the housing 1 corresponding to the position of the through hole, and the two left and right L-shaped angle iron-shaped guide rails 52 are arranged at intervals (as shown in fig. 3); a door (not shown) that can be opened/closed is provided on the housing 1 corresponding to the through hole.

The peculiar smell treatment device 5 and the shell 1 are assembled in the following mode:

opening the door, pushing the frame 51 into the shell 1 through the through hole, and moving two sides of the lower end of the frame 51 into the shell 1 along the two L-shaped angle irons respectively until the frame 51 can not move any more, which indicates that the peculiar smell processing device 5 moves in place; at this time, the door is closed.

The peculiar smell treatment device 5 is arranged in a drawer type, so that the active carbon is convenient to replace. The left and right L-shaped angle iron-shaped guide rails 52 are arranged at intervals so as not to block the up-and-down flow of the oil smoke.

Preferably, the odor treatment device 5 comprises a plurality of frames 51 arranged at intervals up and down, and each frame 51 is filled with activated carbon; correspondingly, the inner wall of the housing 1 is provided with left and right L-shaped angle iron-shaped guide rails 52 at the left and right sides of the lower end of each frame 51. So arranged, when needed, only one or more frames 51 can be taken out together with the activated carbon therein, thereby being more flexible in use.

The door can be an integral door, or a frame corresponding to a door.

In this embodiment, shell 1 includes air intake section 13, first functional section 14, second functional section 15 and exhaust section 16 in proper order, air inlet 11 set up in air intake section 13, gas vent 12 set up in exhaust section 16, whirl board 2, flow equalizing plate 3, high-pressure electrostatic oil smoke clarifier 4, oil mist filter equipment set up in first functional section 14, peculiar smell processing apparatus 5 set up in second functional section 15, catch tray 6 set up in first functional section 14 downside does not extend to peculiar smell processing apparatus 5 downside, so, can avoid falling into the smell of the oil droplet in the catch tray and continue up again and aggravate the burden of peculiar smell processing apparatus 5.

The first functional section 14 is provided with holes which penetrate up and down at a position corresponding to the collecting tray 6, so that the water collecting tray 6 can be communicated with the inside of the shell.

The utility model discloses a theory of operation does:

oil smoke generated in the catering industry enters the shell 1 from the air inlet 11, namely enters the catering oil smoke purification system of the utility model and flows towards the outlet;

the oil smoke enters the rotational flow plate 2, oil drops in the oil smoke are thrown into a groove of the rotational flow frame by centrifugal force generated by high-speed rotation of the rotational flow plate 2, and thus pretreatment of oil drop separation in the oil smoke is realized by the rotational flow plate 2;

the oil smoke pretreated by the cyclone plate 2 passes through the flow equalizing plate 3, so that the oil smoke is distributed more uniformly;

the oil smoke after the flow equalization enters a high-voltage electrostatic oil smoke purifier 4, under the action of a high-voltage power supply, the oil smoke is charged, and the oil smoke is adsorbed to an anode plate through electrostatic adsorption, and the liquid oil mist on the anode plate flows downwards into a collecting tray 6 under the action of self gravity and airflow (the anode plate is one of the components of the high-voltage electrostatic oil smoke purifier 4, the high-voltage electrostatic oil smoke purifier 4 is a known technology, and is not described in detail herein);

the oil fume purified by the high-voltage electrostatic oil fume purifier 4 flows through the baffle plate demister 7, gas-liquid separation is carried out on the oil fume through high-speed collision of the oil fume and the baffle plate of the baffle plate demister 7, and the separated liquid-phase oil falls down into the collecting tray 6 under the action of gravity;

the oil fume treated by the baffle plate demister 7 enters a random packing demister 8, random packing of the random packing demister 8 contacts with the oil fume to absorb liquid in the oil fume, so that further gas-liquid separation is performed on the oil fume, and separated liquid-phase oil flows downwards into a collecting tray 6 under the action of gravity;

the gas enters a wire mesh demister 9, the oil fume is subjected to gas-liquid separation again through collision between a wire mesh of the wire mesh demister 9 and the oil fume and interception of the wire mesh, and the separated liquid-phase oil flows downwards into a collecting tray 6 under the action of gravity;

the demisted oil smoke enters a peculiar smell treatment device 5, and the honeycomb activated carbon adsorbs peculiar smell gas in the oil smoke, so that the odorless gas of the catering oil smoke is discharged;

the oil smoke after the above treatment is discharged from the exhaust port 12 or enters subsequent treatment equipment.

As mentioned above, the catering oil smoke entering the catering oil smoke purification system of the utility model can be sequentially processed layer by the dynamic rotational flow plate 2, the flow equalizing plate 3, the high-voltage electrostatic oil smoke purifier 4, the oil smoke removing device and the peculiar smell removing device 5, so that the purification rate of the catering oil smoke after being processed is high, and the peculiar smell of the tail gas is small; the rotational flow plate 2 is set to rotate relative to the shell 1, namely, the rotational flow plate is equivalent to a dynamic rotational flow plate, compared with the fixed rotational flow plate 2, the centrifugal force generated by the rotational flow plate 2 is larger, so that when the oil fume entering the purification system of the utility model flows through the rotational flow plate 2 again, oil drops contained in the oil fume can be thrown away more, thereby realizing the separation of the oil drops to a greater extent, thus not only improving the purification efficiency of the oil fume in the oil fume, but also greatly reducing the processing load and power of the subsequent high-voltage electrostatic purifier, thereby greatly reducing the overall cost of the utility model and saving more energy; furthermore, the blind plate 71 is arranged so that the cross-sectional area of the baffle plate demister 7 is smaller than that of the high-voltage electrostatic oil fume purifier 4, so that when oil fume processed by the high-voltage electrostatic oil fume purifier 4 flows through the baffle plate demister 7, the flow rate of the oil fume is increased, more large liquid drops in the oil fume can be blocked by the baffle plate demister 7, more oil drops can be separated from the oil fume, the oil mist content in the oil fume is further reduced, part of dust in the oil fume can be blocked simultaneously, and the oil fume purification rate of the catering oil fume is further improved.

The utility model discloses can be applicable to the food and beverage oil smoke in large-scale hotel and the dining room of large-scale enterprise and handle, the specially adapted five-star hotel and urban complex, scenery tourism district etc. are to oil smoke purification efficiency high occasion.

Claims

1. A catering oil smoke purification system is characterized in that: including the shell, set up in the air inlet and the gas vent of shell both sides, set up in the shell and set gradually in whirl board, flow equalizing plate, high voltage static oil smoke clarifier, oil mist filter equipment, peculiar smell processing apparatus between air inlet and the gas vent, connect in the shell below and with the inside communicating catch tray of shell, just but the whirl board is set up to shell rotation relatively.

2. The catering oil smoke purification system according to claim 1, characterized in that: the main frame is connected in the shell, and the cyclone plate can be connected on the main frame in a relatively rotating manner; the cyclone plate includes the whirl blind plate and set up in whirl blind plate outlying whirl blade, be provided with the through-hole that runs through about on the main frame, just be provided with the round recess on the inside wall of through-hole, the whirl blind plate and the whirl blade of the whirl blind plate that send all are located towards one side of whirl blind plate in the through-hole, the whirl blade is kept away from the one end of whirl blind plate and is stretched into in the recess.

3. The catering oil smoke purification system according to claim 2, characterized in that: one side of the shell is provided with an opening for the main frame to pass in and out, the upper and lower positions of the opening are corresponding to the opening, the inner top wall of the shell is provided with an upper guide rail capable of being matched with the upper end of the main frame, and the inner bottom wall of the shell is provided with a lower guide rail capable of being matched with the lower end of the main frame; and a door which can be closed/opened is also arranged on the shell corresponding to the opening hole on the shell.

4. The catering oil smoke purification system according to any one of claims 1 to 3, characterized in that: the oil mist filtering device comprises a baffle plate demister, a random packing demister and a wire mesh demister which are sequentially arranged at intervals.

5. The catering oil smoke purification system according to claim 4, wherein: the cross-sectional area of the baffle plate demister 7 is smaller than that of the high-voltage electrostatic oil fume purifier.

6. The catering oil smoke purification system according to claim 5, characterized in that: a blind plate is arranged between the outer side of the baffle plate demister and the inner wall of the shell.

7. The catering oil smoke purification system according to claim 4, wherein: and a bidirectional backwashing device is arranged between the baffle plate demister and the random packing demister, or/and a bidirectional backwashing device is also arranged between the random packing demister and the wire mesh demister.

8. The catering oil smoke purification system according to claim 5, characterized in that: and a bidirectional backwashing device is arranged between the baffle plate demister and the random packing demister, or/and a bidirectional backwashing device is also arranged between the random packing demister and the wire mesh demister.

9. The catering oil smoke purification system according to claim 6, wherein: and a bidirectional backwashing device is arranged between the baffle plate demister and the random packing demister, or/and a bidirectional backwashing device is also arranged between the random packing demister and the wire mesh demister.

10. Catering oil smoke purification system according to claim 7, 8 or 9, characterized in that: the bidirectional backwashing device comprises a pipeline connected with the shell and nozzles respectively arranged on two opposite sides of the pipeline, wherein the nozzle on one side of the pipeline of the bidirectional backwashing device between the baffle plate demister and the random packing demister faces the baffle plate demister, and the nozzle on the other side of the pipeline of the bidirectional backwashing device faces the random packing demister; and the nozzles on one side of the pipeline of the bidirectional backwashing device between the random packing demister and the wire mesh demister face the random packing demister, and the nozzles on the other side face the wire mesh demister.

11. The catering oil smoke purification system according to any one of claims 1 to 3 and 5 to 9, characterized in that: the peculiar smell treatment device comprises a frame connected with the inner wall of the shell and activated carbon arranged in the frame.

12. The catering oil smoke purification system according to claim 4, wherein: the peculiar smell treatment device comprises a frame connected with the inner wall of the shell and activated carbon arranged in the frame.

13. The catering oil smoke purification system according to claim 10, wherein: the peculiar smell treatment device comprises a frame connected with the inner wall of the shell and activated carbon arranged in the frame.

14. The catering oil smoke purification system according to claim 11, wherein: a through hole for the frame to pass in and out is formed in one side of the shell, the position of the through hole corresponds to the position of the through hole, a left L-shaped angle iron-shaped guide rail and a right L-shaped angle iron-shaped guide rail which are matched with the left side and the right side of the lower end of the frame respectively are arranged on the inner wall of the shell, and the left L-shaped angle iron-shaped guide rail and the right L-shaped; and a door which can be opened/closed is arranged on the shell corresponding to the through hole.

15. The catering oil smoke purification system according to claim 12 or 13, characterized in that: a through hole for the frame to pass in and out is formed in one side of the shell, the position of the through hole corresponds to the position of the through hole, a left L-shaped angle iron-shaped guide rail and a right L-shaped angle iron-shaped guide rail which are matched with the left side and the right side of the lower end of the frame respectively are arranged on the inner wall of the shell, and the left L-shaped angle iron-shaped guide rail and the right L-shaped; and a door which can be opened/closed is arranged on the shell corresponding to the through hole.