CN210045011U - Oil smoke purifier and oil smoke clean system - Google Patents

Abstract

The utility model provides an oil smoke purifier and oil smoke purification system relates to industry oil smoke treatment facility field, this oil smoke purifier includes the air guide bucket, centrifugal fan, first cascade and cascade baffle, the bottom of air guide bucket is provided with the water catch bowl, the flue gas import has been seted up on the lateral wall of air guide bucket, the flue gas import is external to have into tobacco pipe, first cascade setting is in advancing tobacco pipe, the cascade baffle sets up in one side that first cascade is close to the flue gas import, still be provided with the exhanst gas outlet on the air guide bucket, centrifugal fan sets up at the top of air guide bucket and relative with the exhanst gas outlet, be used for taking the exhanst gas outlet out with the flue gas in the air guide bucket. Compared with the prior art, the utility model provides a pair of oil smoke clean system through setting up first cascade and cascade baffle, can effectively purify oil mist form particulate matter, and purifying effect is good, guarantees gaseous environmental protection safety of discharging simultaneously, and simple structure, and occupation space is little, and spare part is changed conveniently.

Description

Oil smoke purifier and oil smoke clean system

Technical Field

The utility model relates to an industrial oil smoke treatment facility field particularly, relates to an oil smoke purifier and oil smoke clean system.

Background

In the rapid development of industrialization, metal heat treatment is increasingly widely applied, and heat treatment equipment simultaneously brings typical waste emissions of oil smoke while improving the mechanical properties of heat treated metal. The fine particles of the emissions are within dozens of microns, generally free oil drops or water vapor is suspended in the air, and good effects are difficult to achieve through traditional cloth bag dust removal, electrostatic dust removal, water film dust removal and the like.

Specifically, in the prior art, waste emissions are mainly removed by methods such as bag-type dust removal, electrostatic dust removal, water film dust removal and the like, wherein the bag-type dust removal mainly removes fine dry particles, and the corresponding dust removal effect cannot be achieved on the fine oil mist particles; the electrostatic dust removal is gradually increased along with the increase of the waste, the electrostatic effect is poorer and poorer, and the good effect of long-term use cannot be met; the main dust class result of use of water film dust removal is better, and just can hardly reach ideal treatment effect to this kind of oil mist form particulate matter.

In addition, for large-scale industrial treatment equipment, an industrial-grade purification tower needs to be equipped, but the existing industrial purification tower has a complex internal structure, large occupied space, large abrasion of internal parts and inconvenience in replacement of parts.

In view of this, it is important to design and manufacture an oil fume purification device which can effectively purify oil mist-like particles, has a good purification effect, ensures the environmental protection and safety of exhaust gas, and has a simple structure, a small occupied space, convenient replacement of parts and small abrasion.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil smoke purifier can purify oil mist form granule, and purifying effect is good, guarantees gaseous environmental protection safety of discharging simultaneously, and simple structure, and occupation space is little, and spare part is changed conveniently and is worn and torn less.

Another object of the utility model is to provide an oil smoke clean system can handle the oil smoke that equipment for heat treatment produced, and purifying effect is good simultaneously, guarantees gaseous environmental protection safety of emission simultaneously.

The utility model discloses a technical scheme who adopts following realizes:

the utility model provides an oil smoke purifier, including the wind-guiding bucket, centrifugal fan, first cascade and cascade baffle, the bottom of wind-guiding bucket is provided with the water catch bowl, the flue gas import has been seted up on the lateral wall of wind-guiding bucket, the flue gas import is external to have into tobacco pipe, first cascade sets up in advancing the tobacco pipe, the cascade baffle sets up in one side that first cascade is close to the flue gas import, still be provided with the exhanst gas outlet on the wind-guiding bucket, centrifugal fan sets up at the top of wind-guiding bucket and relative with the exhanst gas outlet, be used for taking the exhanst gas outlet out with the flue gas in the wind-guiding bucket.

Furthermore, the oil fume purification device also comprises a second water curtain which is arranged in the smoke inlet pipeline and is arranged at intervals with the first water curtain.

Furthermore, the water curtain partition plate is detachably arranged in the smoke inlet pipeline and forms an included angle with the air inlet direction of the smoke inlet pipeline, an air inlet gap is formed between the end part of the water curtain partition plate and the inner side wall of the smoke inlet pipeline, and the air inlet direction of the air inlet gap is along the tangential direction of the air guide barrel, so that smoke enters the air guide barrel along the tangential direction of the air guide barrel and moves centrifugally in the air guide barrel.

Furthermore, a water curtain pipeline is connected with the first water curtain externally, one end, far away from the first water curtain, of the water curtain pipeline extends to the water tank, and a water curtain pump is arranged on the water curtain pipeline and used for pumping water in the water tank to the first water curtain.

Furthermore, the smoke outlet is externally connected with an air outlet pipeline, and the air outlet pipeline is provided with a silencing barrel.

Furthermore, the oil fume purification device also comprises a water tank which is arranged below the air guide barrel, and the bottom of the water collecting hopper extends into the water tank.

Furthermore, an oil-water separator is arranged in the water tank and used for separating oil stains and water in the water tank.

Further, oil smoke purifier still includes the moisturizing device, and the moisturizing device includes moisturizing pipeline, moisturizing switch and liquid level switch, and liquid level switch sets up in the basin for detect the liquid level height of basin, moisturizing pipeline's one end stretches into the basin, and the moisturizing switch setting is connected on moisturizing pipeline and with the liquid level switch electricity, is used for opening or closing moisturizing pipeline under liquid level switch's control.

The utility model provides an oil smoke clean system, including at least one thermal treatment equipment and oil smoke purifier, including the air guide bucket, centrifugal fan, first cascade and cascade baffle, the bottom of air guide bucket is provided with the water catch bowl, the flue gas import has been seted up on the lateral wall of air guide bucket, the flue gas import is external to have into tobacco pipe, first cascade sets up in advancing the tobacco pipe, the cascade baffle sets up in one side that first cascade is close to the flue gas import, still be provided with the exhanst gas outlet on the air guide bucket, centrifugal fan sets up at the top of air guide bucket and relative with the exhanst gas outlet, be used for taking the exhanst gas outlet out with the flue gas in the air guide bucket. The heat treatment equipment is connected with the smoke inlet pipeline through a smoke exhaust pipe.

Furthermore, a smoke pipe control valve is arranged on the smoke exhaust pipe, and the smoke pipe control valve is electrically connected with the centrifugal fan and realizes linkage, so that the centrifugal fan can adjust the rotating speed under the control of the smoke pipe control valve.

The utility model discloses following beneficial effect has:

the utility model provides a pair of oil smoke purifier is provided with first cascade in advancing the tobacco pipe way, and one side of first cascade still is provided with the cascade baffle, is provided with the exhanst gas outlet on the wind-guiding bucket, is provided with centrifugal fan at the top of wind-guiding bucket. In actual purification process, the oil smoke gets into tobacco pipe, behind first cascade, the dissociative form flue gas granule in the oil smoke is most adsorbed by cascade water, the flue gas is advanced the wind-guiding bucket behind the water curtain baffle adjustment direction, under centrifugal fan's effect, the flue gas forms centrifugal form spiral air current in the wind-guiding bucket, after the centrifugation is rotatory, remaining granule in the flue gas is thrown to on the inner wall of wind-guiding bucket and is followed cascade water and drop downwards to the water catch bowl, and discharge the wind-guiding bucket through the water catch bowl, air after the purification moves up under centrifugal fan's effect, centrifugal fan effect once more, throw remaining steam in the air on the lateral wall and discharge through the water catch bowl downwards, the air after the purification is discharged via the exhanst gas outlet, accomplish the purification process of oil smoke. Through simple setting air guide bucket to set up first cascade in advancing the tobacco pipe, just can realize the purification process of oil smoke, compare in prior art, the utility model provides a pair of oil smoke clean system through setting up first cascade and cascade baffle, can effectively purify oil mist form particulate matter, and purifying effect is good, guarantees exhaust gas's environmental protection safety simultaneously, and simple structure, and occupation space is little, and spare part is changed conveniently.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of an overall structure of an oil smoke purifying device according to a first embodiment of the present invention;

FIG. 2 is a schematic view of a connection structure between the air guide barrel and the smoke inlet pipeline in FIG. 1;

FIG. 3 is an enlarged view of a portion of III of FIG. 2;

fig. 4 is a schematic structural diagram of an oil smoke purifying system provided by a second embodiment of the present invention.

Icon: 100-oil fume purification device; 110-a wind guide barrel; 111-a water collecting hopper; 113-smoke inlet pipeline; 115-an outlet pipe; 117-a silencing barrel; 130-centrifugal fan; 140-a first water curtain; 141-water curtain pipes; 143-water curtain pump; 150-a second water curtain; 160-water curtain baffle; 161-installing an adjusting block; 163-fixing bolt; 170-a water tank; 171-a blowdown valve; 180-a water replenishing device; 181-water replenishing pipe; 183-water supplement switch; 185-a liquid level switch; 190-oil water separator; 200-a fume purification system; 210-a heat treatment device; 230-a smoke exhaust pipe; 250-smoke tube control valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are usually placed when in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Features in the embodiments described below may be combined with each other without conflict.

First embodiment

Referring to fig. 1 to 3 in combination, the utility model provides an oil smoke purification device 100, including air guide bucket 110, centrifugal fan 130, first cascade 140, second cascade 150 and cascade baffle 160, air guide bucket 110's bottom is provided with water collecting bucket 111, the flue gas import has been seted up on air guide bucket 110's the lateral wall, the flue gas import is external to have into tobacco pipe 113, first cascade 140 sets up in advancing tobacco pipe 113, cascade baffle 160 sets up in one side that first cascade 140 is close to the flue gas import, still be provided with the exhanst gas outlet on air guide bucket 110, centrifugal fan 130 sets up at air guide bucket 110's top and is relative with the exhanst gas outlet for take the exhanst gas outlet out in the air guide bucket 110. The second water curtain 150 is disposed in the smoke inlet pipe 113 and spaced apart from the first water curtain 140.

The water curtain partition 160 is detachably disposed in the smoke inlet pipe 113 and forms an included angle with the air inlet direction of the smoke inlet pipe 113, an air inlet gap is formed between the end of the water curtain partition 160 and the inner sidewall of the smoke inlet pipe 113, and the air inlet direction of the air inlet gap is along the tangential direction of the wind guiding barrel 110.

Specifically, an installation adjusting block 161 is arranged on the outer side wall of the smoke inlet pipeline 113, an installation gap penetrating through the smoke inlet pipeline 113 is formed in the installation adjusting block 161, and the water curtain partition plate 160 penetrates through the installation gap and extends into the smoke inlet pipeline 113 to realize adjustment of the air inlet direction. Be provided with fixing bolt 163 on installation regulating block 161 for fixed cascade baffle 160, when the degree of depth that stretches into of cascade baffle 160 needs to be adjusted, unscrew fixing bolt 163, adjust cascade baffle 160 again and screw up fixing bolt 163 after to suitable position, thereby can adjust the width in air intake clearance, and then adjust the air input of flue gas.

In this embodiment, the wind guiding barrel 110 is cylindrical, and the included angle between the water curtain partition 160 and the air inlet direction of the smoke inlet pipe 113 can be adjusted according to actual needs, so long as the smoke enters along the tangential direction of the wind guiding barrel 110. The water curtain baffle 160 can adjust the amount of the treated smoke and adjust the air inlet direction of the smoke, so that the smoke forms centrifugal spiral airflow in the air guide barrel 110, and oil smoke particles in the smoke are further separated.

In this embodiment, the smoke inlet pipe 113 includes a vertical section and a horizontal section, the vertical section is connected with the horizontal section through an elbow, the second water curtain 150 is disposed on the vertical section, the second water curtain 150 is disposed on the horizontal section, and the water curtain structure can be formed through different directions, so as to improve the purifying effect.

In the present embodiment, the first water curtain 140 and the second water curtain 150 are disposed at an interval, and the second water curtain 150 is disposed above the first water curtain 140, but the position relationship between the first water curtain 140 and the second water curtain 150 may be adjusted accordingly according to the shape of the smoke inlet pipe 113, and is not limited in particular.

In this embodiment, the first water curtain 140 and the second water curtain 150 both form the water curtain structure by adopting a spraying mode, specifically, the first water curtain 140 has a first spraying head, the first spraying head forms the water curtain in the flue gas inlet pipe, so as to purify the flue gas for one time, the second water curtain 150 has a second spraying head, and the second spraying head forms the water curtain in the flue gas inlet pipe, so as to purify the flue gas for a second time. Of course, a third shower head, a fourth shower head, etc. may be further provided according to actual purification requirements, and are not particularly limited herein. Through setting up first cascade 140 and second cascade 150, avoided using structures such as filter core to purify, simplified the structure, reduced the maintenance cost.

It should be noted that the centrifugal fan 130 disposed at the top of the air guiding barrel 110 can form negative pressure in the air guiding barrel 110 during operation, so as to further enable the oil-containing flue gas to enter the air guiding barrel 110 along the air intake flue.

In this embodiment, the smoke outlet is externally connected with an air outlet pipe 115, and the air outlet pipe 115 is provided with a silencing barrel 117. By arranging the silencing barrel 117, the sound caused by airflow compression and flow can be eliminated, and the noise generated by the device can be reduced. Meanwhile, the gas outlet pipeline 115 is arranged, so that gas can be discharged at a proper position, and the smoothness of the discharge process is ensured.

In the actual purifying process, the oil smoke enters the smoke inlet pipe 113, passes through the second water curtain 150 and the first water curtain 140 in sequence, most of the free smoke particles in the oil smoke are adsorbed by the water curtain, the smoke enters the air guide barrel 110 after the direction of the smoke is adjusted by the water curtain clapboard 160 and the smoke enters the air guide barrel tangentially, under the action of the centrifugal fan 130, the flue gas forms a centrifugal spiral airflow in the air guide barrel 110, and after centrifugal rotation, residual particles in the flue gas are thrown onto the inner wall of the air guide barrel 110 and fall down to the water collection hopper 111 along with the water curtain water, and the air is discharged out of the air guide barrel 110 through the water collecting hopper 111, the purified air moves upwards under the action of the centrifugal fan 130, residual water vapor in the air is thrown onto the side wall and is discharged downwards through the water collecting hopper 111 under the action of the centrifugal fan 130 again, and the purified air is discharged through the smoke outlet, so that the oil smoke purification process is completed.

Further, the lampblack purification device 100 further comprises a water tank 170, the water tank 170 is arranged below the air guide barrel 110, and the bottom of the water collection bucket 111 extends into the water tank 170. Specifically, the water tank 170 contains water, the bottom of the water collecting bucket 111 is provided with a water collecting pipe, and the bottom of the water collecting pipe extends into the water tank 170 and is located below the water level, so that air is prevented from entering the air guide barrel 110 from the water collecting pipe. The bottom of the water tank 170 is provided with a drain valve 171 for draining oil stain on the bottom of the water tank 170.

In this embodiment, an oil-water separator 190 is disposed in the water tank 170 for separating oil from water in the water tank 170, so as to ensure that the oil in the water tank 170 is discharged in time. The oil-water separator 190 is an industrial compressed air oil-water separator 190, and oil-water separation is performed by using compressed air, specifically, when the compressed air enters the oil-water separator 190, rapid changes in flow direction and speed are generated, and oil droplets and water droplets having a density greater than that of the compressed air are separated by means of inertia. The oil-water separator 190 separates oil from water in the water tank 170, so that the mixed liquid in the water tank 170 is prevented from emulsifying and affecting discharge.

Further, the lampblack purification device 100 further comprises a water supplementing device 180, the water supplementing device 180 comprises a water supplementing pipe 181, a water supplementing switch 183 and a liquid level switch 185, the liquid level switch 185 is arranged in the water tank 170 and used for detecting the liquid level height of the water tank 170, one end of the water supplementing pipe 181 extends into the water tank 170, and the water supplementing switch 183 is arranged on the water supplementing pipe 181 and electrically connected with the liquid level switch 185 and used for opening or closing the water supplementing pipe 181 under the control of the liquid level switch 185. Through setting up moisturizing switch 183, realized the automatic water supply in the basin 170, avoided the basin 170 water level to hang down excessively.

In the present embodiment, the level switch 185 is a float level switch 185, and the internal structure and operation thereof are consistent with those of the conventional float level switch 185, which will not be described herein. The water replenishing switch 183 is an electromagnetic valve, and the on-off signal of the water replenishing switch 183 is controlled by the liquid level switch 185, and the electric control principle between the water replenishing switch 183 and the liquid level switch 185 is consistent with the existing electric control principle of on-off through a liquid level control valve, which is not described too much here.

In this embodiment, the first water curtain 140 is externally connected with a water curtain pipe 141, one end of the water curtain pipe 141, which is far away from the first water curtain 140, extends to the water tank 170, and a water curtain pump 143 is disposed on the water curtain pipe 141, and is used for pumping water in the water tank 170 to the first water curtain 140. Specifically, the water curtain pipe 141 is simultaneously connected to the second water curtain 150, and water is simultaneously supplied to the first water curtain 140 and the second water curtain 150 by the water curtain pump 143. Here, the water curtain pipe 141 is extended into the water tank 170, so that the water used for the water curtain can be recycled, and the water can be saved. Of course, the water curtain pipe 141 may be separately supplied with water through other water supply channels, which is not described herein too much.

In summary, in the lampblack purification device 100 provided by the embodiment, the centrifugal fan 130 is adopted to form negative pressure for performing lampblack suction and exhaust operation, and the first water curtain 140 and the second water curtain 150 are used for removing oil, the water curtain partition plate 160 is further arranged in the smoke inlet pipeline 113, the amount of the treated smoke can be adjusted, after the smoke enters the air guide barrel 110 along the tangential direction, centrifugal spiral airflow is formed under the combined action of the centrifugal fan 130, so that residual lampblack particles in the smoke are separated and enter the water collection hopper 111 along with the water curtain, and meanwhile, water and vapor separation is realized in a centrifugal rotation mode, so that the purified air finally discharged from the smoke outlet does not contain water vapor and lampblack particles, and the purification purpose is achieved.

Second embodiment

Referring to fig. 4, the present embodiment provides a lampblack purification system 200, which comprises at least one heat treatment device 210 and a lampblack purification device 100, wherein the basic structure and principle of the lampblack purification device 100 and the generated technical effects are the same as those of the first embodiment, and for the sake of brief description, reference may be made to corresponding contents in the first embodiment for parts that are not mentioned in the present embodiment.

The lampblack purification device 100 comprises an air guide barrel 110, a centrifugal fan 130, a first water curtain 140 and a water curtain partition plate 160, a water collecting hopper 111 is arranged at the bottom of the air guide barrel 110, a smoke inlet is formed in the side wall of the air guide barrel 110, a smoke inlet pipe 113 is externally connected to the smoke inlet, the first water curtain 140 is arranged in the smoke inlet pipe 113, the water curtain partition plate 160 is arranged on one side, close to the smoke inlet, of the first water curtain 140, a smoke outlet is further formed in the air guide barrel 110, the centrifugal fan 130 is arranged at the top of the air guide barrel 110 and is opposite to the smoke outlet, and the smoke outlet is used for taking smoke in the air guide barrel 110 out. The heat treatment apparatus 210 is connected to the smoke inlet duct 113 through a smoke outlet pipe 230.

In this embodiment, there are 4 heat treatment apparatuses 210, and the smoke discharge pipes 230 of the 4 heat treatment apparatuses 210 are all connected to the smoke inlet pipe 113. Of course, the number of the heat treatment apparatuses 210 may be increased or decreased as appropriate according to the actual situation.

In this embodiment, a smoke tube control valve 250 is disposed on each smoke exhaust tube 230. The smoke control valve is electrically connected with the centrifugal fan 130 through a frequency converter and is linked, specifically, the centrifugal fan 130 is a frequency conversion fan, when any one of the heat treatment devices 210 is ready to open the door, the corresponding smoke tube control valve 250 is opened, the centrifugal fan 130 of the lampblack purification device 100 is rapidly lifted to a normal working state from a low-speed standby state, after all the heat treatment devices are started, the front door of the heat treatment device 210 is opened, at this time, due to the negative pressure effect formed by the centrifugal fan 130, the smoke discharged by the heat treatment device 210 is timely introduced into the lampblack purification device 100 for purification treatment, after the front door of the heat treatment device 210 is closed, the corresponding smoke tube control valve 250 is closed, and the rotating speed of the centrifugal fan 130 of the lampblack purification device 100 is slowly reduced to the low-speed standby state through. The heat treatment equipment 210 controls the fan of the lampblack purification device 100 to run at a high speed and a low speed by opening and descending the door, and when the door is not opened by the heat treatment, the centrifugal fan 130 of the lampblack purification device 100 is in a low-speed standby state, so that the device is more energy-saving in use.

It should be noted that, the opening and closing of the door of a single heat treatment device 210 correspondingly and independently controls the opening of the corresponding smoke tube control valve 250 and the fast and slow operation of the centrifugal fan 130 in the lampblack purification device 100.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides an oil smoke purifier, its characterized in that, includes air guide bucket, centrifugal fan, first cascade and cascade baffle, the bottom of air guide bucket is provided with the water catch bowl, the flue gas import has been seted up on the lateral wall of air guide bucket, the flue gas import is external to have into tobacco pipe, first cascade sets up in advancing the tobacco pipe, the cascade baffle sets up first cascade is close to one side of flue gas import, still be provided with the flue gas export on the air guide bucket, centrifugal fan sets up the top of air guide bucket and with the flue gas export is relative, be used for with flue gas in the air guide bucket is taken out the flue gas export.

2. The lampblack purification device as claimed in claim 1, further comprising a second water curtain disposed within the smoke inlet duct and spaced from the first water curtain.

3. The lampblack purification device as claimed in claim 1, wherein the water curtain partition plate is detachably arranged in the smoke inlet pipeline and forms an included angle with the air inlet direction of the smoke inlet pipeline, an air inlet gap is formed between the end portion of the water curtain partition plate and the inner side wall of the smoke inlet pipeline, and the air inlet direction of the air inlet gap is along the tangential direction of the air guide barrel, so that the lampblack enters along the tangential direction of the air guide barrel and centrifugally moves in the air guide barrel.

4. The lampblack purification device as claimed in claim 1, wherein an air outlet pipe is externally connected to the smoke outlet, and a silencing barrel is arranged on the air outlet pipe.

5. The lampblack purification device as claimed in any one of claims 1 to 4, further comprising a water tank, wherein the water tank is arranged below the air guide barrel, and the bottom of the water collecting hopper extends into the water tank.

6. The lampblack purification device as claimed in claim 5, wherein a water curtain pipeline is externally connected to the first water curtain, one end, far away from the first water curtain, of the water curtain pipeline extends to the water tank, and a water curtain pump is arranged on the water curtain pipeline and used for pumping water in the water tank to the first water curtain.

7. The lampblack purification device as claimed in claim 5, wherein an oil-water separator is arranged in the water tank and used for separating oil stains and water in the water tank.

8. The lampblack purification device according to claim 5, further comprising a water supplementing device, wherein the water supplementing device comprises a water supplementing pipeline, a water supplementing switch and a liquid level switch, the liquid level switch is arranged in the water tank and used for detecting the liquid level height of the water tank, one end of the water supplementing pipeline extends into the water tank, and the water supplementing switch is arranged on the water supplementing pipeline and electrically connected with the liquid level switch and used for opening or closing the water supplementing pipeline under the control of the liquid level switch.

9. An oil smoke purification system, characterized by comprising at least one heat treatment device and an oil smoke purification device according to any one of claims 1 to 8, wherein the heat treatment device is connected with the smoke inlet pipeline through a smoke exhaust pipe.

10. The lampblack purification system as claimed in claim 9, wherein a smoke tube control valve is arranged on the smoke exhaust tube, and the smoke tube control valve is electrically connected with the centrifugal fan and is linked with the centrifugal fan, so that the centrifugal fan can adjust the rotating speed under the control of the smoke tube control valve.

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