CN210751851U

CN210751851U - Oil smoke filter

Info

Publication number: CN210751851U
Application number: CN201920944759.3U
Authority: CN
Inventors: 李雪凤
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-06-16
Anticipated expiration: 2029-06-21

Abstract

The utility model discloses an oil smoke filter, include: the filter device, and a high-temperature steam generator and an oil stain collecting box which are connected with the filter device; the oil smoke enters the filter device through the fan, the oil smoke is in convoluted contact collision through a convex arc by utilizing a convex arc structure of a convex cylinder on a filter plate in the filter device, tiny oil drops carried by the oil smoke after multiple convoluted collision are thrown out under the action of inertia, oil mist is separated out, and gas is discharged from an oil smoke outlet, so that the oil smoke purification is realized, the purification rate is greatly improved, and the pollution of the oil smoke to the air is reduced; get rid of the greasy dirt of adhering to in the filter through high temperature steam generator to with the greasy dirt from leading the oilhole on the cassette mounting panel with lead the oil groove and get into below oil collecting cover and discharge through the oil extraction pipe, it utilizes high temperature steam to realize self-cleaning, its cleaning performance is good, avoids frequently dismantling or causing the damage to the filter because of the washing.

Description

Oil smoke filter

Technical Field

The utility model relates to an oil smoke filter equipment especially relates to an oil smoke filter.

Background

At present, most of the range hoods on the market directly discharge oil smoke waste gas into the atmosphere through an exhaust pipe, or discharge the oil smoke waste gas into a common exhaust pipeline and then discharge the oil smoke waste gas into the atmosphere through the common exhaust pipeline, however, the mode of discharging oil smoke not only pollutes the air, but also causes environmental pollution, pollutes indoor and outdoor air and damages the health of other people; people think of many ways to solve the problem of household oil smoke pollution, and also design many oil smoke purification devices, such as: the spraying type oil smoke purification device comprises a spraying type oil smoke purification device, an electrostatic type oil smoke filter, a mechanical centrifugal purification device and the like, particularly the mechanical centrifugal purification device which is simple in structure, but is often poor in use effect due to design reasons, and brings great inconvenience to people.

In addition, range hood all adopts a direct row of inhaling on the market, accomplish the oil smoke separation under the high-speed operation centrifugation of motor through the wind wheel, heavy material oil meets cold and attaches to the wind wheel, accumulate in long-pending month, hardly wash, the wind wheel weight has also been increased simultaneously, reduce motor speed, influence the smoke exhaust effect of range hood, this kind of condition also belongs to a humid environment, plus motor overload, the long time will cause the damage of motor, consequently, people have designed additional set such as steam cleaning, electrical heating washs as required, these all belong to passive protection, its actual cleaning performance is unsatisfactory.

The utility model with the application number of 200420076279.3 discloses a centrifugal oil smoke purifier, which uses a motor to drive a rotary centrifugal oil removal net, although the patent has a certain oil removal function, the noise is too big, and the oil removal effect is not too good.

The invention patent with Chinese patent application number of 201310582976.X discloses a self-cleaning range hood, which comprises a machine body and an impeller, wherein the impeller is pivotally arranged on the machine body, the impeller is provided with a plurality of blades and spray pipes which are arranged at intervals along the circumferential direction of the impeller, the spray pipes are arranged in the impeller and are adjacent to the inner circumferential surface of the impeller, and the spray pipes are provided with spray holes, so that the range hood can not generate noise during working and can ensure that the spray pipes have good cleaning effect on the impeller; although the self-cleaning range hood can be automatically cleaned, the cleaning effect is not obvious, the self-cleaning function of the range hood can not work after a period of time, in addition, the fan blades and the filter plates of the range hood can be damaged in the self-cleaning process, and the service life of the range hood is shortened.

The utility model with the Chinese patent application number of 201820028945.8 discloses an oil smoke separator, a first air flow extrusion port, a second air flow extrusion port and an air flow expansion area formed by C-shaped plates which are staggered from the front to the back extrude → expand → extrude oil-gas mixture, the oil-gas mixture is fully contacted with the C-shaped plates which are staggered from the front to the back, and the carried oil and fat are condensed, meanwhile, the oil and the steam which are in the middle under the action of centrifugal force when the oil-gas mixture rotates rapidly are thrown to the C-shaped plates by the air flow which rotates rapidly because of heavier mass, the process reduces the noise to a certain extent, reduces the damage of the oil smoke to the range hood and relieves the pollution of the oil smoke to the environment, but the filter has no self-cleaning function, after being used for a period, because a large amount of oil and foreign matters are attached to the arc surface of the C-shaped plates, cause first air current extrusion mouth, second air current extrusion mouth and air current expansion district to reduce, gas discharge volume reduces, and the filter effect variation, and the grease can flow downwards under the action of gravity, and the water clock leaks on the top of a kitchen range, consequently needs artifical regular period to filter dismantlement washing, and is very troublesome.

SUMMERY OF THE UTILITY MODEL

In view of the above deficiencies of the prior art, the object of the present invention is to provide an oil smoke filter, which has a fan to make oil smoke enter a filter device, and a convex arc structure of a convex cylinder on a filter sheet in the filter device makes the oil smoke contact and collide through a convex arc, and the oil smoke after collision through multiple rounds of revolution is thrown away by micro oil drops carried in the oil smoke under the action of inertia, so that oil mist is separated out, and gas is discharged from an oil smoke outlet, thereby realizing oil smoke purification, greatly improving purification rate, and reducing the pollution of the oil smoke to air; get rid of the greasy dirt of adhering to in the filter through high temperature steam generator to with the greasy dirt from leading the oilhole on the cassette mounting panel with lead the oil groove and get into below oil collecting cover and discharge through the oil extraction pipe, it utilizes high temperature steam to realize self-cleaning, its cleaning performance is good, avoids frequently dismantling or causing the damage to the filter because of the washing.

The utility model discloses a realize through following technical scheme.

A kind of soot filter, characterized by, the filter disc in the said filter equipment is made up of front, back two rows of C-type sheetmetals are staggered, the area a is the air intake among the convex arcs of sheetmetal of the front row, the area b is the air outlet among the convex arcs of sheetmetal of the back row, the area C is the rotary impact area among adjacent sheetmetal convex arcs of front, back; the oil smoke passes through the air inlet, the air outlet and the collision and revolution area to collide and revolve with the inner wall of the front and back rows of C-shaped metal sheets, and an inner convex cylinder is arranged at the collision and revolution position, and the oil smoke enters the filtering device and then collides and revolves through the inner convex cylinder.

As a further optimization of the utility model, the outer wall of preceding, back row C type sheetmetal is located air intake, air outlet and circles round the impact area and all is provided with the evagination cylinder, and the oil smoke gets into filter equipment and circles round through the impact of convex cylinder body when being discharged by filter equipment.

Further, the filtering apparatus includes: the filter comprises an upper cover, a middle filter body and a lower cover, wherein a pair of fixing lugs are respectively arranged on the same side of the upper cover and the lower cover; the upper cover and the lower cover are respectively arranged above and below the middle filter body; the intermediate filter body includes: the filter comprises a middle shell, a filter disc and a filter screen, wherein the middle shell is of a rectangular frame structure consisting of four plates, the top of the middle shell is connected with an upper cover, and the bottom of the middle shell is connected with a lower cover; the front and the back of the middle shell are respectively provided with an oil smoke inlet and an oil smoke outlet, and the filter screens are arranged at the front and the back oil smoke inlets and the oil smoke outlets in the middle shell; the middle shell is internally provided with a filter disc, and two ends of the filter disc are connected with the middle shell through filter disc mounting plates.

Furthermore, the filter sheet mounting plate is provided with a filter sheet positioning groove matched with the filter sheet, and the bottom of the filter sheet is inserted into the filter sheet positioning groove to realize positioning; the filter disc positioning groove is characterized in that oil guide holes are formed in the center of the filter disc positioning groove, and oil guide grooves are distributed around the filter disc positioning groove.

Furthermore, the upper cover comprises an upper cover shell, a steam spray pipe and steam nozzles, the steam guide pipe enters the upper cover shell from the top of the upper cover shell and is communicated with the steam spray pipe, the steam spray pipe is uniformly provided with the steam nozzles, and the steam nozzles are right opposite to the lower filter plate.

Further, the lower cover includes: the oil collecting cover is fixed on the inner wall of the lower cover shell; the oil collecting cover is of a bucket-shaped structure, and a through hole communicated with the oil discharge pipe is formed in the middle of the oil collecting cover.

Further, the oil smoke filter still includes: the high-temperature steam generator and the oil stain collecting box are connected with the filtering device; the filtering device is connected with the high-temperature steam generator through a steam guide pipe and is connected with the oil stain collecting box through an oil discharge pipe.

Further, the bottom of the oil stain collecting box is connected with an oil stain discharge pipeline, and an oil stain discharge valve is arranged on the oil stain discharge pipeline; the oil stain discharge pipeline is connected with a kitchen sewage discharge pipeline.

Furthermore, a water inlet pipe is also arranged above the high-temperature steam generator, and the high-temperature steam generator is connected with a kitchen water supply pipeline through the water inlet pipe; the high temperature steam generator includes: the heating body is positioned in the outer shell, and the water inlet and the steam outlet of the heating body are respectively connected with the water inlet pipe and the steam guide pipe; in addition, high temperature steam generator still includes an independent switch controlling part, this switch controlling part with the utility model discloses the function of the lampblack absorber for use selects the module electricity to be connected, and it intakes through this switch controlling part control inlet tube to control the inside heating member heating of high temperature steam generator and produce high temperature steam, and the high temperature steam of production is washd filter equipment by steam pipe entering filter equipment.

Further, the utility model also discloses a range hood, including the lampblack absorber body, inside fan, oil smoke filter and the flue of being provided with of lampblack absorber body, the air intake connection of oil smoke filter and fan, the flue is connected with the air outlet of fan, wherein the oil smoke filter adopts as the utility model discloses an oil smoke filter.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model discloses utilize the convex circular arc structure of cassette, detain the cassette positive and negative crisscross looks, insert the cassette constant head tank and fix, the oil smoke passes through the air inlet and gets into, circles round the contact through convex circular arc and bumps, through the oil smoke after bumping of circling round many times, because inertial effect, the tiny oil that carries in the oil smoke drips and is thrown out, makes the oil mist appear to make the oil smoke separation, great improvement purification rate reduces the pollution of oil smoke to the air.

2. The utility model discloses filter equipment's filter part is formed by connecting upper shield, middle filter body and lower cover triplex, simple structure, easy manufacturing to easy dismounting is convenient for maintain, and its filter and protruding circular arc structure processing are simple.

3. The utility model discloses can carry out the high temperature steam decontamination to the protruding circular arc structure of filter through high temperature steam generator as required, the greasy dirt that adheres to on the protruding circular arc surface of filter viscosity diminishes under the effect of high temperature steam, and the velocity of flow accelerates, and the greasy dirt is discharged through arranging the oil pipe from leading the oilhole on the cassette mounting panel and leading the oil groove entering below collection oil cover, and it utilizes high temperature steam to realize self-cleaning, and its cleaning performance is good, avoids frequently dismantling or causing the damage to the filter because of wasing.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a filter disc in the filtering device of the oil smoke filter of the present invention;

FIG. 2 is a schematic structural view of a filter mounting plate in the filtering device of the lampblack filter of the present invention;

FIG. 3 is a schematic view of the internal structure of the middle filter body of the filtering device of the lampblack filter of the present invention;

FIG. 4 is a schematic structural view of the soot filter of the present invention;

FIG. 5 is a schematic view of the installation of the middle filter body of the filtering device of the oil smoke filter of the present invention;

FIG. 6 is a schematic view of the internal structure of the upper cover of the filter device of the lampblack filter of the present invention;

FIG. 7 is a schematic view of the internal structure of the lower cover of the filter device of the lampblack filter of the present invention;

fig. 8 is a schematic structural view of a high temperature steam generator in the filtering device of the oil smoke filter of the present invention;

fig. 9 is a schematic structural view of a filter sheet in embodiment 2 of the filtering apparatus of the oil smoke filter of the present invention;

fig. 10 is an internal structure schematic diagram of a range hood using the oil smoke filter of the utility model.

In the figure: 1. a range hood body; 2. a fan; 3. a fume filter; 301. a filtration device; 302. a steam conduit; 303. a high temperature steam generator; 3031. a heating body; 3032. an outer housing; 3033. a water inlet; 3034 steam vent; 304. a water inlet pipe; 305. an oil discharge pipe; 306. an oil stain collecting box; 307. an oil contamination discharge pipe; 308. an oil stain discharge valve; 309. an upper cover; 310. an intermediate filter body; 311. a lower cover; 312. a filter screen; 313. fixing the ear; 314. a middle housing; 315. a filter disc; 3151. an inwardly convex cylinder; 3152. a convex cylinder; 316. a lampblack inlet; 317. a fume outlet; 318. a filter positioning groove; 319. an oil guide hole; 320. a filter mounting plate; 321. an oil guide groove; 322. a steam nozzle; 323. a steam nozzle; 324. an upper housing shell; 325. an oil collecting cover; 326. a lower housing shell; 327. a through hole; 4. a flue.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

The present invention will be described in further detail below with reference to specific embodiments and with reference to the accompanying drawings.

Example 1

Referring to fig. 1, an oil smoke filter comprises a filtering device 301, wherein a filtering sheet 315 in the filtering device 301 is formed by staggered arrangement of front and rear rows of C-shaped metal sheets, a region a between convex arcs of the front row of metal sheets is an air inlet, a region b between convex arcs of the rear row of metal sheets is an air outlet, and a region C between the convex arcs of the front and rear adjacent metal sheets is a rotary collision region; an inner convex cylinder 3151 is arranged at the collision and convolution position of the oil smoke passing through the air inlet, the air outlet and the convolution collision area and the inner walls of the front and back rows of C-shaped metal sheets, and the oil smoke enters the filtering device 301 and then collides and convolutes through the inner convex cylinder 3151.

Referring to fig. 2 to 5, the filter device 301 includes: the filter comprises an upper cover 309, a middle filter body 310 and a lower cover 311, wherein a pair of fixing lugs 313 are respectively arranged on the same side of the upper cover 309 and the lower cover 311; the upper and

lower covers

309 and 311 are installed above and below the intermediate filter body 310, respectively.

The intermediate filter body 310 includes: the filter comprises a middle shell 314, a filter 315 and a filter screen 312, wherein the middle shell 314 is a rectangular frame structure consisting of four plates, the top of the middle shell is communicated with the upper cover 309, and the bottom of the middle shell is provided with a filter mounting plate 320 and is connected with the lower cover 311; the front and the back of the middle shell 314 are respectively provided with a lampblack inlet 316 and a lampblack outlet 317, and the filter screens 312 are respectively arranged at the front and the back lampblack inlet 316 and the lampblack outlet 317 inside the middle shell 314; the filter 315 is disposed in the middle housing 314, and the bottom thereof is connected to the lower cover 311.

The filter sheet mounting plate 320 is provided with a filter sheet positioning groove 318 matched with the filter sheet 315, and the bottom of the filter sheet 315 is inserted into the filter sheet positioning groove 318 to realize positioning; the filter positioning groove 318 is provided at the center thereof with oil guide holes 319, and oil guide grooves 321 are distributed around the filter positioning groove 318.

Referring to fig. 6, the upper housing 309 includes an upper housing 324, a steam nozzle 322, and a steam nozzle 323, the steam duct 302 enters the inside of the upper housing 324 from the top of the upper housing 324 and is communicated with the steam nozzle 322, a plurality of steam nozzles 323 are uniformly distributed on the steam nozzle 322, and the steam nozzles 323 face the lower filter sheet 315.

Referring to fig. 7, the lower cover 311 includes: a lower cover shell 326 and an oil collection cover 325, wherein the oil collection cover 325 is fixed on the inner wall of the lower cover shell 326; the oil collecting cover 325 is a bucket-shaped structure, and a through hole 327 communicating with the oil discharge pipe 305 is formed in the middle of the oil collecting cover.

Referring to fig. 8, the soot filter further includes: the filter device 301, a high-temperature steam generator 303 connected with the filter device 301 and an oil stain collecting box 306; the filtering device 301 is connected with a high-temperature steam generator 303 through a steam conduit 302, and the filtering device 301 is connected with a greasy dirt collecting box 306 through an oil drain pipe 305.

A water inlet pipe 304 is also arranged above the high-temperature steam generator 303, and the high-temperature steam generator 303 is connected with a kitchen water supply pipeline through the water inlet pipe 304; the bottom of the oil stain collection box 306 is connected with an oil stain discharge pipeline 307, and an oil stain discharge valve 308 is arranged on the oil stain discharge pipeline 307; the oil stain discharge pipe 307 is connected with a kitchen sewage discharge pipe.

Referring to fig. 9, the high temperature steam generator 303 includes: the heating device comprises a heating body 3031, an external shell 3032, a water inlet 3033 and a steam outlet 3034, wherein the heating body 3031 is positioned inside the external shell 3032, and the water inlet 3033 and the steam outlet 3034 of the heating body 3031 are respectively connected with a water inlet pipe 304 and a steam conduit 302; in addition, high temperature steam generator 303 still includes an independent switch controlling part, this switch controlling part with the utility model discloses the function of the lampblack absorber for use selects the module electricity to be connected, and it intakes through this switch controlling part control inlet tube 304 to control the inside heating member 3031 heating of high temperature steam generator 303 and produce high temperature steam, and the high temperature steam of production is washd filter equipment 301 in getting into filter equipment 301 by steam pipe 302.

Referring to fig. 10, use the utility model relates to a lampblack absorber of oil smoke filter, including lampblack absorber body 1, 1 inside fan 2, oil smoke filter 3 and the flue 4 of being provided with of lampblack absorber body, oil smoke filter 3 and fan 2's air intake connection, flue 4 is connected with fan 2's air outlet.

The utility model discloses a theory of operation does: when oil smoke is exhausted, the fan 2 is started, the oil smoke enters the inside of the filter device 301 from the oil smoke inlet 316 through the filter screen 312, the filter sheet 315 inside the filter device 301 rectifies the oil smoke at the air inlet, the oil smoke passes through the filter sheet 315 in the filter device 301 after encountering the oil smoke, the oil smoke is contacted and collided through the convex arc in a rotating way through the inner convex cylinder 3151 arranged on the inner wall of the filter sheet 315, the oil smoke is collided through multiple rotating ways, and due to the action of inertia, tiny oil drops carried in the oil smoke are thrown out to separate out oil mist, and gas is exhausted from the oil smoke outlet; when the filter is cleaned, the high-temperature steam generator 303 is started, high-temperature steam generated by the high-temperature steam generator 303 is sprayed to the filter sheet 315, oil stains attached to the filter become less viscous under the action of the high-temperature steam, the oil stains flow downwards along with water vapor, enter the lower oil collecting cover from the oil guide holes and the oil guide grooves on the filter sheet mounting plate and are discharged into the oil stain collecting box 306 through the oil discharge pipe, and the oil stain in the oil stain collecting box 306 is discharged into a kitchen sewage pipe network by manually opening the oil stain discharge valve 308 at regular intervals; the utility model discloses with the positive and negative crisscross looks knot of cassette, insert the cassette constant head tank and fix, the oil smoke gets into through the air inlet, circles round through the interior convex cylinder 3151 structure of cassette 315 and contacts the collision, through the oil smoke after many times circling round and colliding, because inertial effect, the tiny oil that carries in the oil smoke is dripped out, makes the oil mist separate out, thereby makes the oil smoke separation, great improvement purification rate, reduction oil smoke is to the pollution of air; utilize high temperature steam to realize self-cleaning, its cleaning performance is good, avoids frequently dismantling or causing the damage to the filter because of wasing.

Example 2

As shown in fig. 9, the structure principle of this embodiment is similar to that of embodiment 1, and is different from embodiment 1 in that the outer walls of the front and rear rows of C-shaped metal sheets are further provided with an outer convex cylinder 3152 in the air inlet, the air outlet and the revolving impact area, and the oil smoke enters the filter 301 and is exhausted from the filter 301 and revolves by the impact of the convex cylinder 3152; the oil smoke enters the filtering device 301 to sequentially collide with the inner convex cylinder 3151 and the outer convex cylinder 3152 for convolution, and tiny oil drops carried in the oil smoke are thrown out due to the inertia effect after repeated convolution collision, so that oil mist is separated out, and the oil smoke is separated.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not depart from the essence of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. An oil smoke filter is characterized by comprising a filtering device, wherein a filtering sheet (315) in the filtering device (301) is formed by staggered arrangement of front and rear rows of C-shaped metal sheets, a region (a) between convex arcs of the front row of metal sheets is an air inlet, a region (b) between convex arcs of the rear row of metal sheets is an air outlet, and a region (C) between convex arcs of the front and rear adjacent metal sheets is a convolution impact region; an inward convex cylinder (3151) is arranged at the collision and convolution position of the oil smoke passing through the air inlet, the air outlet and the convolution collision area and the inner walls of the front and back rows of C-shaped metal sheets, and the oil smoke enters the filtering device (301) and then collides and convolutes through the inward convex cylinder (3151).

2. The lampblack filter as claimed in claim 1, wherein the outer walls of the front row of C-shaped metal sheets and the rear row of C-shaped metal sheets are provided with convex cylinders (3152) in the air inlet, the air outlet and the rotary collision area, and lampblack enters the filter device (301) and is discharged from the filter device (301) to collide and rotate through the convex cylinders (3152).

3. A soot filter according to claim 1, characterized in that the filtering means (301) further comprises: the filter comprises an upper cover (309), a middle filter body (310) and a lower cover (311), wherein a pair of fixing lugs (313) are respectively arranged on the same side of the upper cover (309) and the lower cover (311); the upper cover (309) and the lower cover (311) are respectively arranged above and below the middle filter body (310); the intermediate filter body (310) comprises: the filter comprises a middle shell (314), a filter sheet (315) and a filter screen (312), wherein the middle shell (314) is of a rectangular frame structure consisting of four plates, the top of the middle shell is connected with an upper cover (309), and the bottom of the middle shell is connected with a lower cover (311); the front and the back of the middle shell (314) are respectively provided with an oil smoke inlet (316) and an oil smoke outlet (317), and the filter screens (312) are respectively arranged at the front and the back oil smoke inlets (316) and the oil smoke outlet (317) in the middle shell (314); the filter disc (315) is further arranged in the middle shell (314), and two ends of the filter disc (315) are connected with the middle shell (314) through filter disc mounting plates (320).

4. The lampblack filter as claimed in claim 3, wherein the filter sheet mounting plate (320) is provided with a filter sheet positioning groove (318) matched with the filter sheet (315), and the bottom of the filter sheet (315) is inserted into the filter sheet positioning groove (318) to realize positioning; the filter disc positioning groove is characterized in that oil guide holes (319) are formed in the center of the filter disc positioning groove (318), and oil guide grooves (321) are distributed around the filter disc positioning groove (318).

5. The lampblack filter as claimed in claim 3, wherein the upper cover (309) comprises an upper cover shell (324), a steam spray pipe (322) and steam nozzles (323), the steam guide pipe (302) enters the upper cover shell (324) from the top of the upper cover shell (324) to be communicated with the steam spray pipe (322), a plurality of steam nozzles (323) are uniformly distributed on the steam spray pipe (322), and the steam nozzles (323) face the lower filter sheet (315).

6. A soot filter according to claim 3, characterized in that the lower cover (311) comprises: a lower cover shell (326) and an oil collection cover (325), wherein the oil collection cover (325) is fixed on the inner wall of the lower cover shell (326); the oil collecting cover (325) is of a bucket-shaped structure, and the middle part of the oil collecting cover is provided with a through hole (327) communicated with the oil discharge pipe (305).

7. The soot filter of claim 1, further comprising: a high-temperature steam generator (303) and an oil stain collecting box (306) which are connected with the filtering device (301); the filtering device (301) is connected with the high-temperature steam generator (303) through a steam guide pipe (302), and the filtering device (301) is connected with the oil stain collecting box (306) through an oil discharge pipe (305).

8. The lampblack filter as claimed in claim 7, characterized in that the bottom of the greasy dirt collecting box (306) is connected with a greasy dirt discharge pipeline (307), and a greasy dirt discharge valve (308) is arranged on the greasy dirt discharge pipeline (307); the oil stain discharge pipeline (307) is connected with a kitchen sewage discharge pipeline.

9. The lampblack filter as claimed in claim 7, characterized in that a water inlet pipe (304) is further arranged above the high-temperature steam generator (303), and the high-temperature steam generator (303) is connected with a kitchen water supply pipeline through the water inlet pipe (304); the high temperature steam generator (303) includes: the heating device comprises a heating body (3031), an external shell (3032), a water inlet (3033) and a steam outlet (3034), wherein the heating body (3031) is positioned inside the external shell (3032), and the water inlet (3033) and the steam outlet (3034) of the heating body (3031) are respectively connected with a water inlet pipe (304) and a steam conduit (302).