A composite kitchen air filter

Abstract

The present application relates to oil fume filtering technical field, specifically provide a kind of composite kitchen air filter, the filter includes: mounting bracket;Condensing assembly is arranged on the mounting bracket, wherein, the condensing assembly includes manifold pipe and multiple fixedly connected in the capillary tube of manifold pipe, the manifold pipe and the capillary tube are communicated, multiple the capillary tube is arrayed distribution to constitute plate, the manifold pipe is provided with water outlet and water inlet to connect water source;Fixedly connected to the tail filter assembly on the mounting bracket, flue gas enters the tail filter assembly at the condensing assembly, the tail filter assembly includes honeycomb shell and the filler in the honeycomb shell, the honeycomb shell is provided with multiple air holes, the filler is granular, and the filler has the gap that gas flows between it;The present application can filter water vapor and oil vapor in flue gas, reduce the content of water and oil in flue gas.

Description

TECHNICAL FIELD

[0001] The present application relates to the oil fume filtering technical field, and particularly relates to a composite kitchen air filter. BACKGROUND

[0002] Oil fume particles are generated in the process of cooking in the kitchen, which will cause different degrees of harm to the human body in the long run.

[0003] Although the kitchen is equipped with an oil fume machine at present, the oil fume machine can only filter the oil fume through a filter screen, and the filtering effect is poor. For example, the filter screen can only filter the oil fume particles with large particle sizes through the mesh holes arranged thereon, and cannot filter the oil fume particles with small particle sizes. When filtering, a large amount of oil fume is still discharged into the air. Therefore, the present application provides a composite kitchen air filter. SUMMARY

[0004] The present application aims to provide a composite kitchen air filter to solve the problem of poor filtering effect of the oil fume machine.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme.

[0006] A composite kitchen air filter, the filter comprising:

[0007] a mounting bracket;

[0008] a condensation assembly arranged on the mounting bracket, wherein the condensation assembly comprises a manifold and a plurality of capillary tubes fixedly connected in the manifold, the manifold and the capillary tubes are in communication, the plurality of capillary tubes are arranged in an array to form a plate shape, the manifold is provided with a water outlet interface and a water inlet interface to connect a water source, water flowing into the water inlet interface enters the capillary tubes and flows out from the water outlet interface;

[0009] a tail filter assembly fixedly connected to the mounting bracket, flue gas enters the tail filter assembly through the condensation assembly, the tail filter assembly comprises a honeycomb shell and a filler located in the honeycomb shell, the honeycomb shell is provided with a plurality of air permeable holes, the filler is in a granular shape, and the filler has gaps for gas flow.

[0010] Further, the manifold is provided with a water outlet cavity and a water inlet cavity, the capillary tube is a U-shaped tube, the ends of the capillary tube are in communication with the water outlet cavity and the water inlet cavity respectively, the water outlet interface is in communication with the water outlet cavity, and the water inlet interface is in communication with the water inlet cavity.

[0011] Further, the water outlet interface and the water inlet interface are located on the same side of the manifold, and the filter further comprises:

[0012] A pipe interface is fixed to the mounting bracket, and the pipe interface is connected to the water outlet interface and the water inlet interface.

[0013] Further, the water outlet interface and the water inlet interface are provided with annular ball grooves, and the pipe interface comprises:

[0014] A valve shell is composed of two valve pipes with different inner diameters, and a connecting section of the two valve pipes is provided with a communication hole to communicate the inner and outer sides of the valve shell. A plurality of ball holes are provided on the small-diameter valve pipe, and balls are arranged in the ball holes.

[0015] A valve core is provided with an open cylinder at one end, the end away from the opening is located in the large-diameter valve pipe, and a sealing gasket is fixed to the end away from the opening to block the communication hole. The valve core is provided with a valve hole at a position close to the sealing gasket.

[0016] A first end shell is fixedly connected to the valve shell, and a sealed pressure cavity is provided between the first end shell and the small-diameter valve pipe. The communication hole communicates the pressure cavity and the inner side of the valve shell.

[0017] A second end shell is fixedly connected to the opening of the large-diameter valve pipe, and a spring is arranged in the second end shell. The two ends of the spring abut against the valve core and the second end shell respectively, so as to press the sealing gasket against the connecting section of the large-diameter valve pipe and the small-diameter valve pipe. When the sealing gasket is pressed against the connecting section, the balls are located on the outer side of the valve core, and the valve hole is located in the small-diameter valve pipe.

[0018] A compression ring is slidingly connected in the pressure cavity, and the inner and outer sides of the compression ring are sealed with the inner wall of the first end shell and the outer wall of the valve shell respectively. The opening of the compression ring close to the balls is a tapered opening, and the balls are located on the inner side of the tapered opening.

[0019] Further, the first end shell is provided with a flange structure.

[0020] Further, the mounting bracket is provided with an oil baffle, which is a groove structure. When the condensation assembly is installed on the pipe interface, the end of the capillary tube away from the manifold is located in the oil baffle.

[0021] Further, the tail filter assembly further comprises:

[0022] A fixed frame is a square frame.

[0023] The honeycomb shell is V-shaped, and a plurality of honeycomb shells are arranged in a row on the inner side of the fixed frame.

[0024] Further, the filler is active alumina ball, and the surface of the filler is treated by hydrophobic and oleophobic treatment.

[0025] Further, the filter further comprises:

[0026] An intermediate filter assembly is located between the condensing assembly and the tail filter assembly, and a spiral channel is arranged in the intermediate filter.

[0027] Further, the intermediate filter assembly comprises:

[0028] A mounting frame is a square frame, and the mounting frame is divided into multiple cells by a partition plate;

[0029] A first panel and a second panel are connected to two side surfaces of the mounting frame, an opening is arranged in the middle of the first panel, and openings are arranged at two ends of the second panel.

[0030] A spiral plate is fixedly connected to the cell, and the spiral plate is located between the first panel and the second panel.

[0031] Compared with the prior art, the composite kitchen air filter has the following beneficial effects:

[0032] The composite kitchen air filter disclosed in the embodiment of the present application is provided with a condensing assembly and a tail filter assembly. After cooling water is introduced into the condensing assembly, the flue gas can be cooled, so that the water vapor and oil vapor in the flue gas are condensed and attached to the condensing assembly. The tail filter assembly can cool the flue gas again and further adsorb the water vapor and oil vapor in the flue gas, so as to complete the filtration of the flue gas. Compared with the traditional structure, the present application can filter the water vapor and oil vapor in the flue gas and reduce the content of water and oil in the flue gas. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 It is a whole structure schematic view of the composite kitchen air filter disclosed in the embodiment of the present application.

[0034] Figure 2 It is a sectional view of the composite kitchen air filter disclosed in the embodiment of the present application.

[0035] Figure 3 It is a structure schematic view of the mounting bracket in the composite kitchen air filter disclosed in the embodiment of the present application.

[0036] Figure 4 It is a structure schematic view of the condensing assembly in the composite kitchen air filter disclosed in the embodiment of the present application.

[0037] Figure 5 Front view of condensing assembly in composite kitchen air filter disclosed by embodiments of the present application.

[0038] Figure 6 Right view of composite kitchen air filter disclosed by embodiments of the present application. Figure 6

[0039] Figure 7 Sectional view of B-B in composite kitchen air filter disclosed by embodiments of the present application. Figure 5

[0040] Figure 8 Sectional view of A-A in composite kitchen air filter disclosed by embodiments of the present application. Figure 5

[0041] Figure 9 Structure diagram of pipe joint in composite kitchen air filter disclosed by embodiments of the present application.

[0042] Figure 10 Front view of composite kitchen air filter disclosed by embodiments of the present application. Figure 9

[0043] Figure 11 Sectional view of C-C in composite kitchen air filter disclosed by embodiments of the present application. Figure 10

[0044] Structure diagram of valve shell in composite kitchen air filter disclosed by embodiments of the present application. Figure 12

[0045] Structure diagram of valve core in composite kitchen air filter disclosed by embodiments of the present application. Figure 13

[0046] Structure diagram of intermediate filter assembly in composite kitchen air filter disclosed by embodiments of the present application. Figure 14

[0047] Structure diagram of filter assembly in composite kitchen air filter disclosed by embodiments of the present application. Figure 15

[0048] Structure diagram of tail filter assembly in composite kitchen air filter disclosed by embodiments of the present application. Figure 16

[0049] Sectional view of tail filter assembly in composite kitchen air filter disclosed by embodiments of the present application. Figure 17 Reference signs:

[0050]

[0051] ​​​​​100, mounting bracket; 101, first mounting plate; 102, smoke baffle; 103, second mounting plate; 104, oil collecting plate; 105, oil baffle; 106, stop rod; 107, mounting hole; 108, baffle; 200, condensing assembly; 210, manifold; 211, water outlet cavity; 212, water inlet cavity; 220, capillary tube; 230, water outlet interface; 240, water inlet interface; 300, intermediate filtering assembly; 310, mounting frame; 320, first panel; 330, second panel; 340, partition; 350, spiral plate; 400, tail filtering assembly; 410, fixed frame; 420, honeycomb shell; 421, first mesh plate; 422, second mesh plate; 430, filler; 500, oil collecting groove; 600, pipe interface; 610, valve shell; 611, ball hole; 612, communication hole; 620, first end shell; 630, valve core; 631, sealing baffle; 632, sealing groove; 633, valve hole; 640, second end shell; 650, spring; 660, ball; 670, pressing ring; 680, sealing washer. DETAILED DESCRIPTION

[0052] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0053] Figure 1 And Figure 2 As shown in the figure, one embodiment of the present application provides a composite kitchen air filter, which comprises:

[0054] A mounting bracket 100;

[0055] A condensing assembly 200 arranged on the mounting bracket 100, wherein the condensing assembly 200 comprises a manifold 210 and a plurality of capillary tubes 220 fixedly connected in the manifold 210, the manifold 210 and the capillary tubes 220 are communicated, the plurality of capillary tubes 220 are arrayed to form a plate shape, and the manifold 210 is provided with a water outlet interface 230 and a water inlet interface 240 to connect a water source, water flowing into the water inlet interface 240 enters the capillary tubes 220 and flows out from the water outlet interface 230;

[0056] The tail filter assembly 400 is fixedly connected to the mounting bracket 100, flue gas enters the tail filter assembly 400 through the condensing assembly 200, the tail filter assembly 400 comprises a honeycomb shell 420 and filler 430 in the honeycomb shell 420, the honeycomb shell 420 is provided with a plurality of air permeable holes, and the filler 430 is in a granular form and has gaps for gas flow between the filler 430.

[0057] The composite kitchen air filter disclosed in the present application is used in cooperation with an extractor hood, the filter is installed on the extractor hood, under the action of a fan on the extractor hood, a negative pressure is generated on the side of the tail filter assembly 400 away from the condensing assembly 200, flue gas flows through the condensing assembly 200 and the tail filter assembly 400 under the driving of air, the condensing assembly 200 is connected to tap water or low-temperature cooling water (the low temperature refers to a temperature lower than or equal to a normal temperature), the cooling water flows in the condensing assembly 200, water vapor and oil vapor in the flue gas are condensed and attached to the capillary tube 220 when the flue gas flows through the capillary tube 220, the attached vapor on the capillary tube 220 flows into a collecting device of the extractor hood along the capillary tube 220 when the attached vapor on the capillary tube 220 accumulates to a certain extent, the condensing assembly 200 is used for preliminarily filtering oil fume in the flue gas, the filtered flue gas enters the tail filter assembly 400, and the flue gas is condensed and adsorbed again in the tail filter assembly 400, thereby completing secondary filtration of the oil fume, the gap between the filler 430 is small, the filler 430 is in a granular form, the filter structure formed by the filler 430 has a large specific surface area, oil vapor and water vapor in the flue gas can be maximally contacted with the filler 430, and secondary condensation of the oil fume is completed, so that the oil vapor and the water vapor in the flue gas are further removed.

[0058] The composite kitchen air filter disclosed in the present embodiment is provided with a condensing assembly 200 and a tail filter assembly 400, the condensing assembly 200 can cool flue gas after cooling water is introduced, so that water vapor and oil vapor in the flue gas are condensed and attached to the condensing assembly 200, the tail filter assembly 400 can cool the flue gas again and further adsorb water vapor and oil vapor in the flue gas, thereby completing filtration of the flue gas, compared with a traditional structure, the present application can filter water vapor and oil vapor in the flue gas and reduce the content of water and oil in the flue gas.

[0059] Specifically, in the present embodiment, as shown in Figure 3As shown in the figure, the mounting bracket 100 comprises a first mounting plate 101 and a second mounting plate 103 arranged on the first mounting plate 101, the first mounting plate 101 and the second mounting plate 103 are plate-shaped, a smoke baffle 102 is arranged between the first mounting plate 101 and the second mounting plate 103, the smoke baffle 102 is arranged at the edge of the second mounting plate 103, the smoke baffle 102 and the second mounting plate 103 form a groove structure, the condensing assembly 200 is fixedly connected to the second mounting plate 103, the tail filter assembly 400 is fixedly connected to the smoke baffle 102, and the second mounting plate 103 is provided with a hole structure for the flow of flue gas.

[0060] As a preferred embodiment in the present embodiment, as shown in the figure, Figures 4 to 8 As shown in the figure, the manifold 210 is provided with a water outlet cavity 211 and a water inlet cavity 212, the capillary tube 220 is a U-shaped copper tube (or aluminum tube), the ends of the capillary tube 220 are respectively communicated with the water outlet cavity 211 and the water inlet cavity 212, the water outlet interface 230 is communicated with the water outlet cavity 211, the water inlet interface 240 is communicated with the water inlet cavity 212, the water outlet interface 230 is fixedly connected to the manifold 210 by welding, the water inlet interface 240 penetrates through the water outlet cavity 211, and the water outlet interface 230 and the water inlet interface 240 are located on the same side of the manifold 210;

[0061] In the present embodiment, the capillary tube 220 is fixedly connected to the manifold 210 by welding, and the capillary tube 220 is arranged obliquely;

[0062] As a preferred embodiment in the present embodiment, a surfactant also exists on the surface of the capillary tube 220, so that the surface of the capillary tube 220 is more wet, the arrangement of the water film attached to the surface of the capillary tube 220 after condensation is more uniform, thereby increasing the water film area and improving the oil mist capture efficiency.

[0063] As a preferred embodiment in the present embodiment, as shown in the figure, Figure 1 The mounting bracket 100 is also fixedly connected with a pipe interface 600, the pipe interface 600 connects the water outlet interface 230 and the water inlet interface 240, and in use, a water source is connected to the pipe interface 600 through a pipe structure;

[0064] Preferably, as shown in the figure, Figures 9 to 13 The water outlet interface 230 and the water inlet interface 240 are provided with annular ball grooves, and the pipe interface 600 comprises:

[0065] Valve shell 610, which is composed of two concentric valve pipes with different inner diameters, the connecting section of the two valve pipes is provided with a communication hole 612 to communicate the inside and outside of the valve shell 610, a plurality of ball holes 611 are provided on the small inner diameter valve pipe, and balls 660 are arranged in the ball holes 611;

[0066] Valve core 630, which is a cylindrical body with an opening at one end, the end of the valve core 630 far from the opening is located in the large inner diameter valve pipe, and a sealing gasket 680 is fixed to the end of the valve core 630 far from the opening to block the communication hole 612, and the valve hole 633 is arranged at the position of the valve core 630 close to the sealing gasket 680;

[0067] First end shell 620, which is fixedly connected to the valve shell 610, and a sealed pressure cavity is arranged between the first end shell 620 and the small inner diameter valve pipe, and the communication hole 612 communicates the pressure cavity and the inside of the valve shell 610;

[0068] Second end shell 640, which is fixedly connected to the opening of the large inner diameter valve pipe, and a spring 650 is arranged in the second end shell 640, the two ends of the spring 650 abut against the valve core 630 and the second end shell 640 respectively to compress the sealing gasket 680 on the connecting section of the large inner diameter valve pipe and the small inner diameter valve pipe, and a connector pipe is arranged on the second end shell 640 to connect the water pipe, wherein when the sealing gasket 680 is compressed on the connecting section, the balls 660 are located outside the valve core 630, and the valve hole 633 is located in the small inner diameter valve pipe;

[0069] Compression ring 670, which is slidingly connected in the pressure cavity, and the inner and outer sides of the compression ring 670 are sealed with the inner wall of the first end shell 620 and the outer wall of the valve shell 610 respectively, the opening of the compression ring 670 close to the balls 660 is a tapered opening, and the balls 660 are located inside the tapered opening;

[0070] In the embodiment, the first end shell 620 is provided with a flange structure, the first end shell 620 is fixedly connected to the mounting hole 107 by bolts, the first end shell 620 is a straight cylindrical structure, one end of the first end shell 620 is large and the other end is small, the first end shell 620 is connected to the large-diameter valve pipe by threads, the small opening end of the first end shell 620 is located at the end of the small-diameter valve pipe, the positions where the first end shell 620 and the valve shell 610 are connected are provided with sealing rings to seal the pressure cavity, the communication holes 612 are provided with three, the three communication holes 612 are uniformly distributed around the axis of the valve shell 610 in the circumferential direction, the ball holes 611 are provided with six, the six ball holes 611 are uniformly distributed around the axis of the valve shell 610 in the circumferential direction, the ball hole 611 is located in the inner wall of the valve shell 610, the inner diameter of the opening part of the outer wall of the valve shell 610 is smaller than that of the inner wall, so that the balls 660 will not fall into the valve shell 610, the connecting section is a frustum, the outer side of the large-diameter valve pipe is provided with external threads, the first end shell 620 and the second end shell 640 are connected to the large-diameter valve pipe by threads;

[0071] As shown in Figure 13 , the valve holes 633 are provided with eight, the eight valve holes 633 are uniformly distributed around the axis of the valve core 630, the sealing baffle 631 is provided at the end of the valve core 630 away from the opening, the sealing groove 632 is provided at the sealing baffle 631, the sealing gasket 680 is a rubber ring, the sealing gasket 680 is sleeved on the sealing groove 632;

[0072] The second end shell 640 is a cylindrical structure with one large opening end and one small opening end, the compression ring 670 is a metal ring, the inner wall of the first end shell 620 and the outer wall of the valve shell 610 are smooth;

[0073] In some examples, the compression ring 670 is also provided with a sealing ring (not shown in the figure) on the inner and outer sides, the sealing ring is provided with a groove structure;

[0074] When the outlet port 230 / inlet port 240 is not connected to the valve housing 610, and the second end housing 640 is connected to the water pipe, the sealing gasket 680 is pressed against the connecting section under the combined action of water pressure and the spring 650, and the two ends of the valve housing 610 are not connected. When the outlet port 230 / inlet port 240 is inserted into the valve housing 610, the outlet port 230 / inlet port 240 pushes open the valve core 630, the valve core 630 compresses the spring 650, the valve hole 633 moves into the large-diameter valve pipe, and the valve hole 633 connects the two ends of the valve housing 610. At this time, water enters the pressure chamber through the connecting hole 612, and the pressure ring 670... Under water pressure, the ball 660 slides towards the ball bearing 660. The pressure ring 670 presses down the ball bearing 660, which is then pressed into the ball groove on the outlet port 230 / inlet port 240. This prevents the outlet port 230 / inlet port 240 from detaching from the valve housing 610, ensuring that the outlet port 230 / inlet port 240 is tightly connected to the valve housing 610. When it is necessary to remove the outlet port 230 / inlet port 240, the water source connected to the second end shell 640 is shut off. The water pressure in the pipe port 600 decreases, and the pressure ring 670 no longer squeezes the ball bearing 660. The outlet port 230 / inlet port 240 can then be easily pulled out.

[0075] The pipe interface 600 allows the condenser assembly 200 to be easily disassembled and cleaned.

[0076] Preferred, such as Figure 3 As shown, an oil baffle 105 is also provided on the first mounting plate 101. The oil baffle 105 has a groove-shaped structure. The oil baffle 105 is fastened to the first mounting plate 101. When the condenser assembly 200 is installed on the pipe interface 600, the end of the capillary tube 220 away from the manifold 210 is located inside the oil baffle 105, which is used to reduce the shear force on the water outlet interface 230 and the water inlet interface 240. The oil baffle 105 is used to support the end of the capillary tube 220 away from the manifold 210.

[0077] like Figure 2 As shown, a baffle 108 is also provided on the inner side of the oil baffle 105. The baffle 108 is fixed to the first mounting plate 101. The end of the capillary tube 220 abuts against the baffle 108. There is a gap between the ends of the oil baffle 105 and the baffle 108 for oil and water to flow.

[0078] Preferably, the first mounting plate 101 is provided with an oil collecting plate 104 at the position close to the oil baffle 105, when the mounting bracket 100 is mounted on the range hood, the oil collecting plate 104 is vertically arranged, the first mounting plate 101 is arranged in an inclined manner, the oil collecting plate 104 is provided with a baffle rod 106, the baffle rod 106 is overlapped with an oil collecting groove 500, the oil collecting groove 500 is located below the oil baffle 105, and the oil and water on the condensing assembly 200 flow onto the oil baffle 105 and drip from the oil baffle 105 into the oil collecting groove 500.

[0079] As a preferred embodiment in the present embodiment, as shown in Figure 16 and Figure 17 the tail filter assembly 400 further comprises:

[0080] a fixed frame 410, which is a square frame;

[0081] the honeycomb shell 420 is in a V shape, and a plurality of the honeycomb shell 420 are arranged in a row on the inside of the fixed frame 410;

[0082] In the present embodiment, the honeycomb shell 420 comprises a first mesh plate 421 and a second mesh plate 422, both of which are bent mesh plates, and the first mesh plate 421 and the second mesh plate 422 are fixedly connected by welding, and the first mesh plate 421 and the second mesh plate 422 form a sandwiched cavity, the second mesh plate 422 is located on the inside, and the second mesh plate 422 is close to the condensing assembly 200, the filler 430 is an active alumina ball, the surface of the filler 430 is treated to be hydrophobic and oleophobic, and small-particle oil vapor and water vapor are rapidly cooled and condensed into granular oil beads and water beads after contacting the smooth and clean filler 430 in the sandwiched cavity, and then discharged from the pores on the surface of the second mesh plate 422 and drip onto the capillary tube 220;

[0083] the tail filter assembly 400 is fixedly connected to the second mounting plate 103.

[0084] As a preferred embodiment in the present embodiment, as shown in Figure 2 the filter further comprises:

[0085] an intermediate filter assembly 300, which is located between the condensing assembly 200 and the tail filter assembly 400, and is provided with a spiral channel;

[0086] Preferably, the intermediate filter assembly 300 comprises:

[0087] An installation frame 310, which is a square frame, is divided into multiple cells by a partition 340 inside the installation frame 310;

[0088] A first panel 320 and a second panel 330 are connected to two side faces of the installation frame 310, the middle of the first panel 320 is provided with an opening, and both ends of the second panel 330 are provided with openings;

[0089] A spiral plate 350 is fixedly connected inside the cell, the spiral plate 350 is located between the first panel 320 and the second panel 330, and the spiral plate 350 is twisted from a strip-shaped plate;

[0090] The installation frame 310 is fixedly connected to the second installation plate 103 by bolts, the second panel 330 is located close to one side of the condensing assembly 200, the first panel 320 is located close to one side of the tail filter assembly 400, flue gas enters the cell from both ends of the first panel 320 and flows in the cell in a rotating manner, water and oil fume particles are attached to the spiral plate 350 and the partition 340 under the action of centrifugal force, and then flow out of the opening in the middle of the second panel 330 and enter the tail filter assembly 400, and the water and oil attached to the spiral plate 350 and the partition 340 drop onto the capillary tube 220 and drop into the oil collecting groove 500.

[0091] The terminology used in the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used in the present application and the accompanying claims, the singular form "a", "an" and "the" include plural references unless the context clearly dictates otherwise. It will be further understood that the terms "comprises" and / or "comprising", or "includes" and / or "including" when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0092] It should be understood that, although the terms first, second, third, etc. can be employed in this application to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one piece of information from another piece of information. For example, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as the first information, without departing from the scope of the present application. Depending on the context, the word "if" as used herein can be interpreted as "when" or "upon determination" or "in response to determining".

[0093] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. A composite kitchen air filter, characterized by, The composite kitchen air filter comprises: a mounting bracket (100); a condensation assembly (200) arranged on the mounting bracket (100), wherein the condensation assembly (200) comprises a manifold (210) and a plurality of capillary tubes (220) fixedly connected in the manifold (210), the manifold (210) and the capillary tubes (220) are communicated, the plurality of capillary tubes (220) are arranged in an array to form a plate shape, the manifold (210) is provided with a water outlet interface (230) and a water inlet interface (240) to connect a water source, water flowing into the water inlet interface (240) enters the capillary tubes (220) and flows out from the water outlet interface (230); a tail filter assembly (400) fixedly connected to the mounting bracket (100), flue gas enters the tail filter assembly (400) through the condensation assembly (200), the tail filter assembly (400) comprises a honeycomb shell (420) and a filler (430) in the honeycomb shell (420), the honeycomb shell (420) is provided with a plurality of air permeable holes, the filler (430) is in a granular shape, and gaps for gas flow exist between the fillers (430); the manifold (210) is provided with a water outlet cavity (211) and a water inlet cavity (212), the capillary tubes (220) are U-shaped tubes, ends of the capillary tubes (220) are communicated with the water outlet cavity (211) and the water inlet cavity (212) respectively, the water outlet interface (230) is communicated with the water outlet cavity (211), and the water inlet interface (240) is communicated with the water inlet cavity (212); the water outlet interface (230) and the water inlet interface (240) are located on the same side of the manifold (210), and the composite kitchen air filter further comprises: a pipe interface (600) fixed to the mounting bracket (100), the pipe interface (600) is connected with the water outlet interface (230) and the water inlet interface (240); the water outlet interface (230) and the water inlet interface (240) are provided with annular ball grooves, and the pipe interface (600) comprises: a valve shell (610) composed of two valve pipes with different inner diameters, a connecting section of the two valve pipes is provided with a communication hole (612) to communicate the inner and outer sides of the valve shell (610), a plurality of ball holes (611) are arranged on the valve pipe with a small inner diameter, and balls (660) are arranged in the ball holes (611); a valve core (630) in a cylindrical shape with an opening at one end, the valve core (630) is located in the valve pipe with a large inner diameter at the end away from the opening, and a sealing gasket (680) is fixed to the end of the valve core (630) away from the opening to block the communication hole (612), and a valve hole (633) is arranged on the valve core (630) close to the sealing gasket (680). A first end shell (620) is fixedly connected to the valve shell (610), and a sealed pressure cavity is arranged between the first end shell (620) and the small-diameter valve pipe. The communication hole (612) communicates the pressure cavity and the inside of the valve shell (610); A second end shell (640) is fixedly connected to the mouth of the large-diameter valve pipe, and a spring (650) is arranged in the second end shell (640). The two ends of the spring (650) abut against the valve core (630) and the second end shell (640) respectively, so as to compress a sealing gasket (680) to the connecting section of the large-diameter valve pipe and the small-diameter valve pipe. When the sealing gasket (680) is compressed to the connecting section, the ball (660) is located outside the valve core (630), and the valve hole (633) is located in the small-diameter valve pipe. A compression ring (670) is slidingly connected in the pressure cavity. The inner and outer sides of the compression ring (670) are sealed with the inner wall of the first end shell (620) and the outer wall of the valve shell (610) respectively. The mouth of the compression ring (670) close to the ball (660) is a tapered mouth, and the ball (660) is located inside the tapered mouth. The tail filter assembly (400) further comprises: A fixed frame (410) is a square frame. The honeycomb shell (420) is V-shaped, and a plurality of honeycomb shells (420) are arranged in a row inside the fixed frame (410). The filler (430) is an active alumina ball, and the surface of the filler (430) is treated to be hydrophobic and oleophobic.

2. The composite kitchen air filter of claim 1, wherein, The first end shell (620) is provided with a flange structure.

3. The composite kitchen air filter of claim 1, wherein, The mounting bracket (100) is provided with an oil baffle (105), which is a groove-shaped structure. When the condensation assembly (200) is installed on the pipe joint (600), the end of the capillary tube (220) away from the manifold (210) is located in the oil baffle (105).

4. The composite kitchen air filter according to any one of claims 1-3, wherein, The composite kitchen air filter further comprises: An intermediate filter assembly (300) is located between the condensation assembly (200) and the tail filter assembly (400), and a spiral channel is arranged in the intermediate filter assembly (300).

5. The composite kitchen air filter of claim 4, wherein, The intermediate filter assembly (300) comprises: An installation frame (310) is a square frame, and the installation frame (310) is divided into multiple cells by a partition (340); A first panel (320) and a second panel (330) are connected to the two side faces of the installation frame (310). The first panel (320) is provided with an opening in the middle, and the second panel (330) is provided with openings at both ends. A helical plate (350) is fixedly connected within the lattice, the helical plate (350) being located between the first panel (320) and the second panel (330).

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