CN114719309A

CN114719309A - Purifier is used in kitchen smoking

Info

Publication number: CN114719309A
Application number: CN202210193303.4A
Authority: CN
Inventors: 孟媛媛; 张静
Original assignee: Hebei University of Environmental Engineering
Current assignee: Hebei University of Environmental Engineering
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-07-08

Abstract

The invention relates to the technical field of kitchen flue gas purification, and discloses a kitchen smoke purification device, which comprises a suction fan and a smoke absorption device, wherein the smoke absorption device comprises the suction fan and a surrounding plate, the surrounding plate is provided with four rectangular pipes which are sequentially connected, one side of an opening of each rectangular pipe is connected with a breast board, the periphery of the opening of each rectangular pipe is connected with an exhaust pipe mechanism, the other side of the opening of each rectangular pipe is connected with an oil collection device, the oil collection device comprises a driving mechanism, one side of the driving mechanism is provided with a pressure pipe, the left side of the driving mechanism is connected with one side of each rectangular pipe, the pressure pipe is provided with an air inlet, the pressure pipe is connected with two first air outlets, the two first air outlets are connected with air exhaust devices, each air exhaust device comprises an air storage box, and the top of each air storage box is connected with the five bottoms of the exhaust pipes; this purifier is used in kitchen smoking has solved the inconvenient problem of the clearance greasy dirt that present oil smoke processing apparatus inefficacy used gas and the whole and arouse of oil smoke pollution processing apparatus that purify.

Description

Purifier is used in kitchen smoking

Technical Field

The invention relates to the technical field of kitchen smoke purification, in particular to a purification device for kitchen smoke extraction.

Background

At present, an oil fume purifier refers to a processing device for oil fume and exhaust gas, and the oil fume purifier is mainly used for purifying and treating oil fume discharged from low altitude in a kitchen, and is used in places such as hotels, restaurants, wineries, restaurants, schools, offices, factories and the like, particularly for cooking in the kitchen, the oil fume purifying device is required to be used for purifying and treating the generated oil fume so as to avoid the phenomenon of atmosphere pollution caused by direct emission of the oil fume to an external environment.

Present oil smoke purifier is more ripe to the processing of oil smoke, utilizes the fan to absorb the greasy dirt into processing apparatus in, but permanent use, processing apparatus is inside to be corroded seriously by the oil smoke, and the top layer all covers has the one deck thicker oil reservoir, has both influenced processing apparatus's purifying effect simultaneously because the oil reservoir leads to bacterial growing, may influence the air quality in user's family, harm the user healthy.

Disclosure of Invention

Solves the technical problem

Aiming at the defects of the prior art, the invention provides a purification device for kitchen smoking, which has the advantages of efficiently utilizing exhausted gas and few pollution parts, easily disassembling oil stain erosion parts and the like, and solves the problems that the existing oil fume treatment device cannot use the purified gas and the whole oil fume pollution treatment device effectively and the inconvenience of oil stain cleaning is caused.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a kitchen smoke-exhausting purifying device comprises an air suction fan and a smoke suction device, wherein the smoke suction device comprises an air suction fan and surrounding plates, the number of the surrounding plates is four, the smoke suction device is fixedly connected to one side of one surrounding plate, the side edges of the four surrounding plates are sequentially connected to form a rectangular pipe, one side of an opening of the rectangular pipe is movably connected with a baffle plate through a bolt, an exhaust pipe mechanism is connected to the periphery of the rectangular pipe, an oil collecting device is connected to the other side of the opening of the rectangular pipe and comprises a driving mechanism, a pressure pipe is arranged on one side of the driving mechanism, an air inlet is arranged on the pressure pipe which is connected to one side of the rectangular pipe in the left side, two first air outlet ends are arranged on the pressure pipe opposite to the air inlet, an air exhaust device is connected to the other end of the two first air outlets in a penetrating manner, and the air exhaust device comprises an air storage box, the top of the air storage box is connected with the bottom of an exhaust pipe five, the top of the exhaust pipe five is connected with an exhaust pipe mechanism, two filter rods are arranged inside the air storage box, and a second air outlet is formed in one side, far away from the oil collecting device, of the air storage box.

Preferably, exhaust pipe mechanism is including exhaust pipe one, exhaust device is connected to an exhaust pipe one end, and both sides are connected with two tops of exhaust pipe and exhaust pipe bottom and are connected with four tops of exhaust pipe around the other end of exhaust pipe one, one side of rectangular pipe top bounding wall is connected to the bottom of exhaust pipe four, two the exhaust pipe is two respectively connect one side of rectangular pipe front and back both sides bounding wall, is connected with the both ends of exhaust pipe three between two exhaust pipe two bottoms simultaneously, the bounding wall of rectangular pipe bottom is connected to exhaust pipe three.

Preferably, the bounding wall is including the planking, planking one side is connected with the nexine through the metal sheet, and one side of planking is connected with exhaust pipe mechanism, constituted a gas cavity between nexine and the planking, be provided with a plurality of penetrability exhaust vents on the nexine, and is a plurality of the exhaust vent has been divided into a plurality of groups and every exhaust vent interval in the group equals, and every group exhaust vent is parallel to each other and is triangle-shaped, triangle-shaped once is triangle-shaped's bottom and top along the direction of keeping away from the breast board

Preferably, one side that the planking was kept away from to the exhaust vent is connected with shunting layer mechanism, shunting layer mechanism is including two L posts, L column bottom is in on the same diameter extension line of exhaust vent and equals with the distance of exhaust vent, and the top fixedly connected with convex cover of two L posts, the convex cover top is convex top form and surface smoothness, and the convex cover bottom is concave form and surface smoothness, and the concavity of bottom is less than the top convexity.

Preferably, actuating mechanism is including the motor, the motor is located an inclosed rectangle box, and the bottom fixed connection of motor is in rectangle box bottom axle center department, the top of motor is connected with the one end of actuating lever two, actuating lever two rotates the inner wall that makes contactless rectangle box, and the other end of actuating lever two rotates the one end that is connected with actuating lever one, the other end of actuating lever two runs through there is control mechanism and rotates and is connected with the stripper plate, inside the stripper plate just was located the pressure pipe with the internal diameter phase-match of pressure pipe, under the normality, when actuating lever two was parallel with the plane of stripper plate, stripper plate one side was in the air intake.

Preferably, the pressure pipe is cylindrical and has openings at two ends, the air inlet is arranged in the middle of the pressure pipe and is connected with the opening of the rectangular pipe, the two openings are connected with one side of the control mechanism, the control mechanism comprises two control panels, the diameter of the control plate is matched with the inner diameter of the pressure pipe, two control rods are connected between the two control plates, the control rods are composed of electric telescopic rods and springs, the two control rods are positioned at the edge of the control plate, and are movably connected with one end of the driving rod at the position close to the axes of the two control plates of the driving mechanism, meanwhile, in a normal state, one side of the pressure pipe, which is located at the position where the two control panels are close to the air exhaust device, is connected with one end of the first air outlet, the bottom of the pressure pipe is connected with the tops of the two oil conveying pipes, and the bottoms of the two oil conveying pipes are connected with the top of the oil accumulation box and the other end of the first air outlet.

Preferably, the oil delivery pipe and the first air outlets are symmetrically arranged around the axis of the pressure pipe, and the distance between the two oil delivery pipes and the axis of the pressure pipe is greater than the distance between the two first air outlets and the axis of the pressure pipe.

(III) advantageous effects

Compared with the prior art, the invention provides a purification device for kitchen smoking, which has the following beneficial effects:

1. the kitchen smoke-exhausting purification device is positioned on one side of a rectangular tube formed by enclosing plates through an air suction fan, oil smoke in air is sucked into the rectangular tube through the air suction fan, firstly, the oil smoke is directly contacted with oil smoke gas through the enclosing plates, certain oil liquid in the oil smoke gas can be firstly fixed, the gas after primary treatment enters a pressure tube through an air inlet, the gas is driven through a driving mechanism, the gas is compressed by the matching of the driving mechanism and the pressure tube, the oil liquid in the gas is more quickly gathered and attached to the inner wall of the pressure tube to form liquid flow, the pressure tube is divided into two cavities by the driving mechanism, so that the driving mechanism is matched with two closed sides of the upper pressure tube to compress the gas entering from a smoke-exhausting device when the driving mechanism is in position conversion, higher oil-gas treatment efficiency is realized, and the gas after being treated by an oil collecting device enters an air exhausting device through a first air outlet, the design of the cylindrical filter stick enables the gas and substances playing a role in filtering to have a large contact area, so that the absorption of harmful gas in the gas by the filter stick is accelerated, one part of the gas after the effect of the filter stick is exhausted into the air through the second air outlet, the other part of the gas enters the exhaust pipe mechanism through the fifth exhaust pipe, the gas enters the four coamings through the exhaust pipe mechanism, the surfaces of the coamings are covered by airflow, so that the oil smoke gas is not in direct contact with the surfaces of the coamings, and the coamings are maintained cleanly.

2. The kitchen fume purifying device has the advantages that the inner board of the enclosing board is used as the inner part, the outer board is used as the outer part, the longer sides of the four enclosing boards are sequentially connected with each other to form a rectangular pipe, the outer boards of the four enclosing boards forming the rectangular pipe are respectively connected with the exhaust pipe II, the exhaust pipe III and the exhaust pipe IV, part of purified gas in the exhaust device enters the exhaust pipe I through the exhaust pipe V, flows into the exhaust pipe II, the exhaust pipe III and the exhaust pipe IV through the exhaust pipe I, enters the gas chambers of the four enclosing boards and enters the rectangular pipe through the air outlet, and cannot be directly sprayed into the rectangular pipe to influence the treated fume gas entering from the position of the enclosing boards due to the arrangement of the flow dividing layer mechanism when the gas exits from the air outlet, meanwhile, the untreated fume gas has flow speed difference with the bottom airflow due to the arrangement of the convex top of the convex cover, and the concavity of the bottom is smaller than the convexity of the top, so that the flow velocity of the airflow at the top is high, the pressure at the top is smaller than that at the bottom, the reduction of the contact between the fume gas and the surface of the outer plate is realized, the bottom of the convex cover is concave and smooth, the airflow which passes through the air outlet is spread to the surface of the outer plate under the action of the bottom of the convex cover to form an airflow layer to cover the surface of the outer plate, the contact between the fume gas and the surface of the outer plate is reduced again, the airflow velocity in the air chamber is lower than that of the fume gas which just passes through the baffle plate, the air outlet is arranged in a triangular shape, and more air outlets are arranged at one side close to the baffle plate, so that the direct contact between the fume gas and the outer plate caused by the excessive reduction of the flow velocity of the airflow in the air outlet is reduced due to the arrangement of the air outlet, meanwhile, the contact between the fume gas and the outer plate can be reduced, and the maintenance is clean.

3. The kitchen smoke-pumping purification device is characterized in that oil smoke gas in a smoke-pumping device enters a pressure pipe through an air inlet under the action of an air suction fan, a rectangular box protects a motor, a driving rod II is driven by the motor and does circular motion due to the limitation of the motor, the driving rod II is rotatably connected with a driving rod I, meanwhile, the driving rod I is limited in a control plate, the driving rod II drives the driving rod I to do up-and-down back-and-forth motion, the driving rod I drives a pressing plate to move, the pressing plate divides the air inlet into two parts, the oil smoke gas is compressed when the pressing plate moves up and down by matching with two control mechanisms of the pressure pipe, so that oil liquid is accelerated and combined to form liquid gathering flow, when the pressure value formed by the pressing plate and the control plate exceeds the stability maintaining threshold value of the control plate, the control plate which is in direct contact with the oil smoke gas moves backwards, and the oil is discharged into an oil conveying pipe through a first air outlet, and oil is conveyed to the oil accumulation box through an oil conveying pipe and is stored.

Drawings

FIG. 1 is a schematic view of the overall structure of a kitchen fume purification device according to the present invention;

FIG. 2 is an exploded view of a kitchen fume purifier according to the present invention;

FIG. 3 is an exploded view of a kitchen fume purifier according to the present invention;

figure 4 is a cross-sectional view of a shroud of a kitchen smoking purification device according to the present invention;

FIG. 5 is an enlarged view taken at A in FIG. 4;

FIG. 6 is a cross-sectional view of an oil trap of a kitchen smoke purifier according to the present invention;

fig. 7 is a sectional view of an exhaust device of a kitchen fume purification device according to the present invention.

The corresponding relationship between the reference numbers of the figures and the names of the components in the figures is as follows:

1. a smoking device; 2. an oil collector; 3. an air exhaust device; 4. an air suction fan; 5. an exhaust duct mechanism; 6. a drive mechanism; 7. a pressure pipe; 8. an air inlet; 9. a first air outlet; 10. a second air outlet; 11. a breast board; 12. enclosing plates; 13. a first exhaust pipe; 14. a second exhaust duct; 15. a third exhaust duct; 16. a fourth exhaust duct; 17. an inner plate; 18. an outer plate; 19. an air outlet; 20. a shunt layer mechanism; 21. an L column; 22. a convex cover; 23. an oil accumulation box; 24. an oil delivery pipe; 25. a control mechanism; 26. a control lever; 27. a control panel; 28. a pressing plate; 29. a first driving rod; 30. a second driving rod; 31. a motor; 32. a gas storage box; 33. filtering the filter stick; 34. a fifth exhaust duct; 35. a gas chamber.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

referring to the attached figures 1 to 7, the kitchen smoke-exhausting purifying device comprises a suction fan 4 and a smoke-exhausting device 1, wherein the smoke-exhausting device 1 comprises the suction fan 4 and surrounding plates 12, the surrounding plates 12 are four, the smoke-exhausting device 1 is fixedly connected to one side of one surrounding plate 12, the side edges of the four surrounding plates 12 are sequentially connected to form a rectangular tube, one side of an opening of the rectangular tube is movably connected with a baffle plate 11 through a bolt, an exhaust pipe mechanism 5 is connected to the periphery of the rectangular tube, an oil-collecting device 2 is connected to the other side of the opening of the rectangular tube, the oil-collecting device 2 comprises a driving mechanism 6, a pressure tube 7 is arranged on one side of the driving mechanism 6, an air inlet 8 is formed in the pressure tube 7 and is connected to one side of the rectangular tube 7, the other side of the pressure tube 7 relative to the air inlet 8 is connected with one ends of two first air outlets 9, the other ends of the two first air outlets 9 are connected with an air-exhausting device 3 in a penetrating manner, the air exhaust device 3 comprises an air storage box 32, the top of the air storage box 32 is connected with the bottom of a fifth exhaust pipe 34, the top of the fifth exhaust pipe 34 is connected with an exhaust pipe mechanism 5, two filter sticks 33 are arranged inside the air storage box 32, and a second air outlet 10 is arranged on one side, far away from the oil collecting device 2, of the air storage box 32.

Exhaust pipe mechanism 5 is including exhaust pipe 13, exhaust device 3 is connected to 13 one end of exhaust pipe, and both sides are connected with two 14 tops of exhaust pipe and the exhaust pipe 13 bottom is connected with four 16 tops of exhaust pipe around the other end of exhaust pipe 13, one side of rectangular pipe top bounding wall 12 is connected to four 16 bottoms of exhaust pipe, two one side of two side bounding walls 12 around the rectangular pipe is connected respectively to two 14 of exhaust pipe, is connected with the both ends of three 15 of exhaust pipe between two 14 bottoms of exhaust pipe simultaneously, the bounding wall 12 of rectangular pipe bottom is connected to three 15 of exhaust pipe.

When the invention is used, the suction fan 4 is positioned at one side of the rectangular tube formed by the enclosing plate 12, the oil smoke in the air is sucked into the rectangular tube through the suction fan 4, firstly, the oil smoke directly contacts the oil smoke gas through the baffle plate 11, a certain amount of oil liquid in the oil smoke gas can be fixed firstly, the primarily processed gas enters the pressure tube 7 through the air inlet 8, the gas is driven through the driving mechanism 6, the gas is compressed by the matching of the driving mechanism 6 and the pressure tube 7, the oil liquid in the gas is more quickly gathered and attached to the inner wall of the pressure tube 7 to be gathered into a liquid flow, the pressure tube 7 is divided into two cavities by the driving mechanism 6, therefore, when the driving mechanism 6 is used for position conversion, the gas entering from the smoking device 1 is compressed by matching with the closed two sides of the upper pressure tube 7, the higher oil gas processing efficiency is realized, the gas processed by the oil collecting device 2 enters the exhaust device 3 through the first air outlet 9, the design of the cylindrical filter stick 33 enables the gas and substances playing a role in filtering to have a large contact area, so that the absorption of harmful gas in the gas by the filter stick 33 is accelerated, one part of the gas after the action of the filter stick 33 is discharged into the air through the second air outlet 10, the other part of the gas enters the exhaust pipe mechanism 5 through the exhaust pipe five 34 and enters the four surrounding plates 12 through the exhaust pipe mechanism 5, and the airflow covers the surfaces of the surrounding plates 12, so that the oil smoke gas does not directly contact the surfaces of the surrounding plates 12, and the clean maintenance of the surrounding plates 12 is realized.

Example 2: the difference is based on example 1;

referring to fig. 4-5, bounding wall 12 is including planking 18, planking 18 one side is connected with interior board 17 through the metal sheet, and one side of planking 18 is connected with exhaust pipe mechanism 5, constitute a gas chamber 35 between interior board 17 and the planking 18, be provided with a plurality of penetrability exhaust vents 19 on interior board 17, it is a plurality of exhaust vents 19 have been divided into a plurality of groups and every exhaust vent 19 interval in the group equals, and every exhaust vent 19 of group is parallel to each other and is triangle-shaped, triangle-shaped is once triangle-shaped's bottom and top along the direction of keeping away from breast board 11.

One side that planking 18 was kept away from to exhaust vent 19 is connected with reposition of redundant personnel mechanism 20, reposition of redundant personnel mechanism 20 is including two L posts 21, L post 21 bottom is in on 19 same diameter extension lines of exhaust vent and equals with the distance of exhaust vent 19, and the top fixedly connected with convex cover 22 of two L posts 21, convex cover 22 top is the convex top form and the surface is smooth, and convex cover 22 bottom is interior concavity and the surface is smooth, and the concavity of bottom is less than the top convexity.

When in use, the inner board 17 of the coaming 12 is used as the inner part, the outer board 18 is used as the outer part, the longer sides of the four coamings 12 are sequentially connected with each other to form a rectangular pipe, the outer boards 18 of the four coamings 12 which form the rectangular pipe are respectively connected with the second exhaust pipe 14, the third exhaust pipe 15 and the fourth exhaust pipe 16, partial purified gas in the exhaust device 3 enters the first exhaust pipe 13 through the fifth exhaust pipe 34, flows into the second exhaust pipe 14, the third exhaust pipe 15 and the fourth exhaust pipe 16 through the first exhaust pipe 13, enters the gas chambers 35 of the four coamings 12 and enters the rectangular pipe through the air outlet 19, the gas can not be directly injected into the rectangular pipe due to the arrangement of the flow dividing layer mechanism 20 when exiting the air outlet 19 to influence the treated lampblack gas entering from the position of the coamings 11, meanwhile, the flow rate of the top and the bottom of the convex cover 22 is different due to the arrangement of the convex top of the convex cover 22, the concavity of the bottom is smaller than the convexity of the top, so that the flow velocity of the airflow at the top is fast, the pressure at the top is smaller than the pressure at the bottom, the oil smoke gas is reduced to be in contact with the surface of the outer plate 18, the bottom of the convex cover 22 is concave and smooth, the airflow which passes through the air outlet 19 is expanded to the surface of the outer plate 18 through the action of the bottom of the convex cover 22 to form an airflow layer to cover the surface of the outer plate 18, the contact of the oil smoke gas and the surface of the outer plate 18 is reduced again, the airflow velocity in the air chamber 35 is lower than the oil smoke gas which just passes through the baffle plate 11, the air outlet 19 is arranged in a triangular shape, more air is arranged at one side close to the baffle plate 11, the direct contact of the oil smoke gas and the outer plate 18 caused by too much reduction of the flow velocity of the airflow in the air outlet 19 due to arrangement of the air outlet 19 is reduced, and the contact of the oil smoke gas and the outer plate 18 is also reduced due to formation of the airflow in the air outlet 19, and (5) maintaining and cleaning.

Example 3: the difference is based on example 1;

referring to fig. 6, actuating mechanism 6 is including motor 31, motor 31 is located an inclosed rectangle box, and the bottom fixed connection of motor 31 is in rectangle box bottom axle center department, and the top of motor 31 is connected with the one end of actuating lever two 30, actuating lever two 30 rotates and makes the inner wall that does not contact the rectangle box, and the other end of actuating lever two 30 rotates the one end that is connected with actuating lever one 29, the other end of actuating lever two 30 runs through control mechanism 25 and rotates and is connected with stripper plate 28, stripper plate 28 and pressure pipe 7's inside diameter phase-match just are located pressure pipe 7 inside, and under the normality, when actuating lever two 30 was parallel with the plane of stripper plate 28, stripper plate 28 one side was in air intake 8.

The pressure pipe 7 is cylindrical and has two openings at two ends, the air inlet 8 is arranged at the middle position of the pressure pipe 7, the air inlet 8 is connected with the opening of the rectangular pipe, two openings are connected with one side of the control mechanism 25, the control mechanism 25 comprises two control plates 27, the diameter of each control plate 27 is matched with the inner diameter of the pressure pipe 7, two control rods 26 are connected between the two control plates 27, each control rod 26 is composed of an electric telescopic rod and a spring, the two control rods 26 are positioned at the edges of the control plates 27, the axle centers of the two control plates 27 close to the driving mechanism 6 are movably connected with one end of a driving rod 29, meanwhile, in a normal state, one side of each control plate 27 close to the exhaust device 3 is connected with one end of the first air outlet 9, the bottom of the pressure pipe 7 is connected with the tops of two oil conveying pipes 24, and the bottoms of the two oil conveying pipes 24 are connected with the tops of the oil accumulation box 23, the other end of the first air outlet 9.

The oil delivery pipes 24 and the first air outlets 9 are symmetrically arranged on the axis of the pressure pipe 7, and the distance between the two oil delivery pipes 24 and the axis of the pressure pipe 7 is greater than the distance between the two first air outlets 9 and the axis of the pressure pipe 7.

When the device is used, lampblack gas in the smoking device 1 enters the pressure pipe 7 through the air inlet 8 under the action of the suction fan 4, the rectangular box protects the motor 31, the motor 31 drives the driving rod two 30, the driving rod two 30 does circular motion due to the limitation of the motor 31, the driving rod two 30 is rotationally connected with the driving rod one 29, meanwhile, the driving rod one 29 limits the control plate 27, the driving rod two 30 drives the driving rod one 29 to do up-and-down back-and-forth motion, the driving rod one 29 drives the extrusion plate 28 to move, the air inlet 8 is divided into two parts by the extrusion plate 28, the lampblack gas is compressed when the extrusion plate 28 moves up and down by matching with the two control mechanisms 25 of the pressure pipe 7, so that oil liquid is accelerated to be combined with liquid accumulation, when the pressure value formed by the extrusion plate 28 and the control plate 27 exceeds the maintaining stable threshold value of the control rod 26, the control plate 27 directly contacting with the lampblack gas moves backwards, firstly, gas is discharged through the first air outlet 9, oil is discharged into the oil delivery pipe 24 through the oil delivery pipe 24, and the oil is delivered to the oil accumulation box 23 through the oil delivery pipe 24 and stored.

It is to be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A purifier is used in kitchen smoking, includes suction fan (4), its characterized in that: the novel oil fume sucking device is characterized by further comprising a fume sucking device (1), wherein the fume sucking device (1) comprises a suction fan (4) and surrounding plates (12), the number of the surrounding plates (12) is four, the fume sucking device (1) is fixedly connected to one side of one surrounding plate (12), the side edges of the four surrounding plates (12) are sequentially connected to form a rectangular pipe, one side of an opening of the rectangular pipe is movably connected with a baffle plate (11) through a bolt, an exhaust pipe mechanism (5) is connected to the periphery of the rectangular pipe, the other side of the opening of the rectangular pipe is connected with an oil collecting device (2), the oil collecting device (2) comprises a driving mechanism (6), one side of the driving mechanism (6) is provided with a pressure pipe (7), the left side of the pressure pipe (7) is connected with one side of the rectangular pipe, an air inlet (8) is arranged on the pressure pipe (7), and the pressure pipe (7) is connected with one end of two first air outlets (9) relative to the other side of the air inlet (8), two the other end of the first air outlet (9) is connected with an exhaust device (3) in a penetrating manner, the exhaust device (3) comprises an air storage box (32), the top of the air storage box (32) is connected with the bottom of a fifth exhaust pipe (34), the top of the fifth exhaust pipe (34) is connected with an exhaust pipe mechanism (5), two filter rods (33) are arranged inside the air storage box (32), and a second air outlet (10) is arranged on one side, far away from the oil collecting device (2), of the air storage box (32).

2. A kitchen smoking purification apparatus according to claim 1, characterised in that: exhaust pipe mechanism (5) is including exhaust pipe (13), exhaust device (3) is connected to exhaust pipe (13) one end, and both sides are connected with two (14) tops of exhaust pipe and one (13) bottom of exhaust pipe around the other end of exhaust pipe (13), and one side of rectangular pipe top bounding wall (12), two are connected to the bottom of four (16) of exhaust pipe one side of rectangular pipe top bounding wall (12), two one side of both sides bounding wall (12) around the rectangular pipe is connected respectively in two (14) of exhaust pipe, is connected with the both ends of three (15) of exhaust pipe between two (14) bottoms simultaneously, bounding wall (12) of rectangular pipe bottom are connected in three (15) of exhaust pipe.

3. A kitchen smoking purification device according to claim 2, characterised in that: bounding wall (12) are including planking (18), planking (18) one side is connected with back plate (17) through the metal sheet, and one side of planking (18) is connected with exhaust pipe mechanism (5), constituted a gas chamber (35) between back plate (17) and planking (18), be provided with a plurality of penetrability exhaust vents (19) on back plate (17), it is a plurality of exhaust vent (19) have been divided into a plurality of groups and every exhaust vent (19) interval equals in the group, and every exhaust vent (19) of group are parallel to each other and are triangle-shaped, triangle-shaped is once triangle-shaped's bottom and top along the direction of keeping away from breast board (11).

4. A kitchen smoking purification apparatus according to claim 3, characterised in that: one side that planking (18) were kept away from in exhaust vent (19) is connected with reposition of redundant personnel layer mechanism (20), reposition of redundant personnel layer mechanism (20) is including two L post (21), L post (21) bottom is in on the same diameter extension line of exhaust vent (19) and equals with the distance of exhaust vent (19), the top fixedly connected with convex cover (22) of two L post (21), convex cover (22) top is protruding top form and surface smoothness, and convex cover (22) bottom is concave form and surface smoothness, and the concavity of bottom is less than the top convexity.

5. A kitchen smoking purification apparatus according to claim 1, characterised in that: actuating mechanism (6) are including motor (31), motor (31) are located an inclosed rectangle box, and the bottom fixed connection of motor (31) is in rectangle box bottom axle center department, and the top of motor (31) is connected with the one end of actuating lever two (30), actuating lever two (30) rotate the inner wall that makes contactless rectangle box, and the other end of actuating lever two (30) rotates the one end that is connected with actuating lever (29), the other end of actuating lever two (30) runs through control mechanism (25) and rotates and is connected with stripper plate (28), stripper plate (28) and the internal diameter phase-match of pressure pipe (7) and be located pressure pipe (7) inside, under the normality, when the plane of actuating lever two (30) and stripper plate (28) is parallel, stripper plate (28) one side is in air intake (8).

6. A kitchen smoking purification apparatus according to claim 1, characterised in that: pressure pipe (7) are cylindric and both ends opening, and the intermediate position of pressure pipe (7) sets up air intake (8), air intake (8) are connected, two with the opening of rectangular pipe one side of control mechanism (25), control mechanism (25) are including two control panels (27), the internal diameter phase-match of control panel (27) diameter and pressure pipe (7) is connected with two control levers (26) between two control panels (27), control lever (26) comprise electric telescopic handle and spring, and two control levers (26) are located the edge of control panel (27), and are close to two control panel (27) axle center swing joint actuating lever (29) one end of department of actuating lever (27) axle center of actuating mechanism (6), and under the normality simultaneously, pressure pipe (7) are located one side that two control panels (27) are close to exhaust device (3) and all connect first air outlet (9) one end and the bottom of pressure pipe (7) is connected with two defeated oil pipe (24) tops And the bottom of the oil delivery pipe (24) is connected with the top of an oil accumulation box (23) and the other end of the first air outlet (9).

7. A kitchen smoking purification apparatus according to claim 6, characterised in that: defeated oil pipe (24) with first air outlet (9) all about the axle center department symmetry of pressure pipe (7) sets up, and two defeated oil pipe (24) are greater than two first air outlet (9) and pressure pipe (7) axle center distance with pressure pipe (7) axle center distance.