TWI757902B - Food waste treatment device - Google Patents

Abstract

A food waste treatment device comprises a casing, a container, a stirrer, a dosing device, a heater and an air filter. The casing includes a casing and a cover, the cover is detachably combined with the casing, and can be moved to a closed position so that the inside of the casing is closed by the cover. The container is located in the casing and is used for accommodating food waste. The blades of the blender are used to break up the food waste in the container. The dosing device is used for adding decomposing enzymes into the container to accelerate the decomposition of food waste. The heater is used for heating the food waste in the container to evaporate excess water. The air filter is used to purify the air in the container and then discharge it to the outside. Thereby, the overall volume and weight of the food waste can be reduced, and the deodorizing effect can be achieved.

Description

Food waste treatment device

The invention relates to a kitchen waste bucket device; in particular, it refers to a food waste treatment device with the effects of decomposing food waste, reducing the weight of food waste and deodorizing.

The existing food waste recycling methods, in the case of community-type residential buildings, mostly place food waste recycling bins at designated locations to provide community households with self-sorting and recycling; while for ordinary families, they usually use their own food waste bins to collect food waste first. Combined with the time of garbage removal, it will be removed by garbage trucks uniformly. However, no matter what type of house is used for food waste recycling, it is unavoidable that the area where food waste is collected is prone to clutter and dampness, which can lead to the breeding of diseases and insects, and even emit bursts of stench. Furthermore, some people who dispose of garbage by themselves often throw general garbage into the garbage truck together with the kitchen waste for their own convenience.

In addition, some regions adopt the policy of collecting garbage fees with bags, such as Japan and some cities in the country, in order to reduce the amount of garbage of the public. For the public, if they want to reduce the garbage fee, how to reduce the volume of kitchen waste is very important nowadays. one of the topics. Therefore, it is necessary to solve the problem of how to reduce the volume of food waste and solve the odor of food waste.

In view of this, the purpose of the present invention is to provide a food waste treatment device, which can reduce the overall volume of the food waste by stirring and cooperating with decomposing enzymes, heat the food waste to dry it, and remove the odor. Features.

In order to achieve the above object, the food waste processing device provided by the present invention includes a casing, a container, a stirrer, a dosing device, a heater and an air filter. The casing includes a shell and a cover. The casing has an accommodating space, and the cover body is detachably coupled to the casing, and can be moved to a closed position so that the accommodating space is closed by the accommodating space. The accommodating container is located in the accommodating space and is used for accommodating kitchen waste. The agitator is located in the accommodating space and has a driving motor and a blade, wherein the driving motor is connected with the blade, and the blade is arranged in the container and can be driven by the driving motor to rotate. The dosing device, which is arranged on the casing, is used for adding decomposing enzymes into the container. The heater is located in the accommodating space and is used for heating the food waste in the accommodating container. The air filter includes an air inlet and an air outlet, as well as a filter pipe and an exhaust fan connected to each other; wherein the air inlet corresponds to the interior of the container, the air outlet communicates with the outside, and the exhaust fan guides the interior of the container The air flows from the air inlet to the air outlet, and the filter tube is located on the air circulation path.

The effect of the present invention is that, by the stirring function of the agitator and the addition of decomposing enzymes to the dosing device, the volume of the kitchen waste can be reduced; the heater can evaporate the moisture in the kitchen waste to achieve the effect of drying, It also has the effect of reducing the volume and weight of food waste. In addition, the air filter of the present invention can filter the air in the cabinet, remove the odor particles in the air, and then discharge the food waste treatment device.

In order to describe the present invention more clearly, preferred embodiments are given and described in detail with the drawings as follows. Please refer to FIGS. 1 to 4 , which is a food waste treatment device 100 according to a preferred embodiment of the present invention, which includes a casing 10 , a dosing device 20 , a container 30 , a heater 40 , and a stirring 50 , an air filter 60 and a control circuit board 70 . The casing 10 includes a cover 12 and a casing 14 , the dosing device 20 and the control circuit board 70 are disposed on the cover 12 , the container 30 , the heater 40 , the agitator 50 and the The air filter 60 is provided in the housing 14 .

The cover body 12 is pivoted on the casing 14 and has a first cover plate 122 and a first shell plate 124 . The first shell plate 124 is combined with the first cover plate 122 and surrounds the first cover plate 122 to form a first chamber S1 . Referring to FIGS. 3 and 9 , the cover body 12 is provided with a dosing funnel 126 and a dust cover 128 . The dosing funnel 126 is recessed on the upper surface of the first shell plate 124 and used to provide a space for storing decomposed enzymes, and has a funnel mouth 126a at the lower part thereof, the funnel mouth 126a communicates with the outside world and the first A chamber S1. The dust cover 128 seals the external opening of the dosing funnel 126 in a detachable manner to prevent dust from entering the dosing funnel 126 .

The dosing device 20 is located in the first chamber S1 , and has a box body 22 , a drug supply driver 24 and a push rod 26 . The box body 22 has a drug inlet 22a and a drug release port 22b. The drug inlet port 22a corresponds to the funnel port 126a of the drug addition funnel 126, so that the decomposing enzymes can enter the box body 22. The drug release port 22b corresponds to the first A first opening 122 a of the cover plate 122 (refer to FIG. 2 ), the first opening 122 a communicates with the first chamber S1 and the outside. The medicine supply driver 24 is disposed on the first cover 122 and its output shaft 242 is inserted into the box body 22 , and the medicine supply driver 24 is electrically connected to the control circuit board 70 . The propelling rod 26 in this embodiment is a screw rod 26 , the screw rod 26 is disposed in the box body 22 and connected to the output shaft 242 of the medicine feeding driver 24 , and the axial direction of the screw rod 26 is parallel to the output shaft 242 in the axial direction. When the medicine supply driver 24 is driven by the control circuit board 70 , the output shaft 242 of the medicine supply driver 24 will drive the blades of the screw rod 26 to rotate, thereby causing the blades of the screw rod 26 to rotate inside the box body 22 The catalyzing enzyme is pushed from the drug inlet 22a toward the direction of the drug releasing port 22b, thereby releasing the catalyzing enzyme.

The casing 14 of the casing 10 has a second cover 142 and a second casing 144 . The second cover plate 142 is combined with the second cover plate 144, and surrounds the second cover plate 144 to form a second chamber S2, and the second chamber S2 is the accommodation referred to in the present invention space. The second cover 142 faces the first cover 122 and is provided with a pair of second openings 142 a corresponding to the first openings 122 a of the first cover 122 .

The cover body 12 is provided with a cover body switch 13 , and has an elastic piece 132 at the pivotal connection position between the cover body 12 and the housing 14 . The cover switch 13 is disposed on the first shell plate 124 , and its upper part is exposed to the outside, and its lower part is located in the first chamber S1 . The elastic piece 132 is bent and located in the first chamber S1, and has a first end 132a and a second end 132b, wherein the first end 132a contacts the cover switch 13, the first end 132a The two end portions 132b have a concave hole 132c. The housing 14 is provided with a protruding block 146 , wherein the protruding block 146 is located on an end of the second cover plate 142 opposite to the pivoting portion, and the position of the protruding block 146 corresponds to the position of the concave hole 132c.

With the above structure, the cover switch 13 can control the cover 12 to move from a closed position (refer to FIG. 1 ) to an open position (refer to FIG. 2 ). When the protruding block 146 is located in the concave hole 132c of the elastic piece 132, the cover body 12 is in the closed position, and the second chamber S2 is closed by the cover body 12; when the cover switch 13 is subjected to an external force, the cover body 12 is closed. The lower part of the cover switch 13 is pressed against the first end 132a of the elastic piece 132, so that the second end 132b of the elastic piece 132 is tilted outward, the protrusion 146 leaves the concave hole 132c, and the cover 12 is located in the In the open position, the second chamber S2 communicates with the outside world. In this embodiment, the elastic piece is the first joint portion of the present invention, and the protruding piece is the second joint portion of the present invention. However, in other practical applications, the first joint portion and the second joint portion can be combined with each other in other ways.

Referring to FIGS. 4 to 7 , the container 30 , the heater 40 , the agitator 50 and the air filter 60 are located in the second chamber S2 of the housing 14 . The container 30 has an outer tub 32 and an inner tub 34. The inner tub 34 is disposed in the outer tub 32 and is used for accommodating food waste. The opening of the inner tub 34 corresponds to the second opening 142 a of the second cover plate 142 . The heater 40 is disposed between the inner bottom surface of the outer tub 32 and the outer bottom surface of the inner tub 34 for heating the food waste contained in the inner tub 34 . The heater 40 is electrically connected and signally connected to the control circuit board 70 , whereby the control circuit board 70 can adjust the temperature of the heater 40 .

In addition, the container 30 has a weight sensor 36, the weight sensor 36 is electrically connected and the signal is connected to the control circuit board 70, and is disposed on the outer bottom surface of the inner tub 34 for detecting the inner The weight of the food waste in the bucket 34 is transmitted, and a weight signal (not shown) is transmitted to the control circuit board 70 for the control circuit board 70 to determine the amount of decomposing enzymes to be added.

The agitator 50 has a driving motor 52 and a blade 54, wherein the driving motor 52 is disposed at the bottom of the outer tub 32, and its output shaft penetrates through the tub wall of the outer tub 32 and the tub wall of the inner tub 34. Protruding from the inner barrel 34 . The driving motor 52 is electrically connected to the control circuit board 70 , and is driven by the control circuit board 70 to rotate its output shaft.

The blade 54 of the agitator 50 has a first blade part 542 and a second blade part 544, wherein one end of the first blade part 542 is connected to the output shaft of the driving motor 52, and the side of the first blade part 542 is connected to the output shaft of the driving motor 52. The surface has a plurality of serrations, the serrations are formed along the long axis of the first blade portion 542; one end of the second blade portion 544 is connected to the output shaft of the driving motor 52, and the second blade portion 544 has a The side surface has a plurality of serrations, and the serrations are formed along the long axis of the second blade portion 544 . In this embodiment, the first blade portion 542 and the second blade portion 544 are integrally formed. In addition, referring to FIG. 7 , when the output shaft of the driving motor 52 drives the blade 54 to rotate clockwise, the first blade The serrations of the portion 542 and the serrations of the second blade portion 544 will cut the food waste in the same direction, so as to shred it.

It is worth mentioning that, as shown in FIGS. 10 and 11 , the distance from the first blade portion 542 to the inner bottom surface of the inner barrel 34 is greater than the distance from the second blade portion 544 to the inner bottom surface of the inner barrel 34 . So that food waste can be cut evenly. In addition, in order to facilitate the cutting of food waste by the first blade portion 542 and the second blade portion 544, a blocking member 38 is disposed on the inner wall of the inner tub 34, and the blocking member 38 includes a first baffle plate 382 and a second baffle plate 382. Baffle 384. The distance from the first baffle 382 to the inner bottom surface of the inner tub 34 is greater than the distance from the second baffle 384 to the inner bottom surface of the inner tub 34 . When the output shaft of the driving motor 52 drives the blade 54 to rotate so that the blade 54 pushes the food waste to rotate synchronously, the first baffle 382 and the second baffle 384 can provide a reverse resistance force for the food waste, so that the The first blade part 542 cuts the food waste abutting on the first baffle 382 and the second baffle 384 , and the second blade part 544 cuts the food waste abutting on the second baffle 384 , thereby cutting the food waste in contact with the second baffle 384 . Larger volumes of food waste are easily cut into smaller volumes. The first blade portion 542 passes between the first baffle 382 and the second baffle 384 , and the second blade portion 544 passes between the second baffle 384 and the inner bottom surface of the inner tub 34 pass. The number of the blade portion and the baffle plate can be increased according to requirements, so as to improve the crushing effect of the agitator.

As shown in FIG. 4 and FIG. 12 , the air filter 60 includes a filter tube 62 and a suction fan 64 connected to each other. The filter pipe 62 includes a pipe body 622 , a first filter element 624 and a second filter element 626 , wherein the first filter element 624 and the second filter element 626 are located in the pipe body 622 . The first filter element 624 is in a spiral shape and its outer surface is coated with a platinum catalyst, which can remove odor particles in the air. In addition, other catalyst precious metals, such as palladium, can be optionally coated. The second filter element 626 has at least one filter screen for filtering other suspended particles in the air (not shown).

One end portion of the pipe body 622 of the filter tube 62 has an air inlet 622a, and the other end portion is connected to the exhaust fan 64. The air inlet 622a corresponds to and communicates with the inner space of the inner tub 34, that is, communicates with the second chamber S2. The exhaust fan 64 is electrically connected to the control circuit board 70, and has an air outlet 64a, and the air outlet 64a communicates with the outside world. The exhaust fan 64 guides the air in the inner tub 34 into the pipe body 622 of the filter pipe 62 from the air inlet 622a, and passes through the first filter element 624 and the second filter element 626 in the pipe body 622 in sequence, thereby To achieve the effect of purification and deodorization. The purified air leaves the air filter 60 from the air outlet 64a and is discharged from the food waste treatment device 100 .

In addition, during the extraction process of the exhaust fan 64, a negative pressure is easily formed in the second chamber S2. Therefore, the cover body 12 is provided with a communication pipe 123. Referring to FIGS. 3 and 9, the communication pipe 123 One port 123a is connected to the outside world, and the other port 123b penetrates the first cover plate 122 and is connected to the second chamber S2, so that the outside air can enter the second chamber S2 through the communication pipe 123 in an appropriate amount, to balance the air pressure of the second chamber S2.

As mentioned above, the control circuit board 70 in this embodiment is electrically connected to the drug supply driver 24 of the dosing device 20 , the weight sensor 36 at the bottom of the inner tub 34 , the heater 40 , and the agitator 50 . The control circuit board 70 is further connected to the weight sensor 36 and the heater 40 by signals. The casing 10 is provided with a power switch 16 , wherein the power switch 16 is electrically connected to the control circuit board 70 and has an on button 162 and an off button 164 , the on button 162 and the off button 164 are used to control the An open circuit or an open circuit is formed between the control circuit board 70 and other components.

The operation mode of the food waste processing device 100 is as follows: after the user puts food waste into the inner tub 34 from the second opening 142a of the second cover plate 142, the cover body 12 is covered to close the second cover 142. Opening 142a. Then, the ON button 162 of the power switch 16 is pressed to form an open circuit between the control circuit board 70 and other components. The mixer 50 starts to physically grind the food waste, and the weight sensor 36 at the bottom of the inner tub 34 senses the original weight of the food waste in the inner tub 34 and transmits the weight signal to the control circuit board 70 . The control circuit board 70 analyzes the amount of decomposing enzymes that need to be added to the food waste according to the weight signal, and then controls the duration of the action of the drug supply driver 24 of the dosing device 20 , thereby affecting the screw of the dosing device 20 The blade of the rod 26 pushes the decomposing enzyme to leave the drug release port 22b and release it into the inner tub 34 to accelerate the decomposition of food waste by the aforementioned biochemical method.

The heater 40 continuously heats the food waste in the inner tub 34 to promote the evaporation of water in the food waste. The exhaust fan 64 of the air filter 60 continuously extracts the gas in the inner tub 34, such as odor and moisture, and the gas is filtered by the filter pipe 62 of the air filter 60 and then discharged out of the kitchen waste treatment device 100. achieve the effect of purifying the air. It is worth mentioning that, in the process of heating the food waste by the heater 40, the temperature is first raised to 50 degrees and the food waste is heated at this temperature. After three hours, the control circuit board 70 controls the temperature of the heater 40 from 50 degrees Celsius. The temperature rises to 80 degrees, and the heater 40 heats the food waste at a temperature of 80 degrees until the water content of the food waste is lower than or equal to 15%, and the control circuit board 70 controls the weight sensor 36, the heater 40, The drive motor 52 of the agitator 50 and the exhaust fan 64 of the air filter stop operating, that is, the action of converting food waste into organic fertilizer is completed. Alternatively, the food waste processing apparatus 100 will emit a warning sound to remind the user to press the close button 164 to form an open circuit between the control circuit board 70 and other components.

It should be added that, in this embodiment, the method of calculating the water content of the food waste is that during the operation of the heater 40 , the weight sensor 36 will continuously obtain the moment weight value of the food waste, and use the weight signal transmitted to the control circuit board 70 . When the control circuit board 70 determines that the ratio of the moment weight value of the food waste to the original weight value of the food waste is less than or equal to 0.15, the control circuit board 70 determines that the water content of the food waste is less than or equal to 15%. However, in practice, other methods can also be used to calculate the moisture content of food waste, which is not limited to this.

The present invention further provides a food waste processing device in a preferred embodiment. The circuit of the food waste processing device adopts: the control circuit board is electrically connected and the signal is connected to the weight sensor and the heater, and the electrical connection The power switch; the medicine feeding driver of the dosing device, the driving motor of the agitator and the exhaust fan of the air filter are not electrically connected to the control circuit board, but are directly electrically connected to the power switch. In this way, when the user presses the start button and the power is turned on, the drug supply driver of the dosing device, the driving motor of the agitator and the exhaust fan of the air filter will operate continuously until the user presses the button. The off button can only stop working; and when the power supply is turned on, the weight sensor and the drug supply driver of the dosing device are controlled by the control circuit board, not by the power supply. controlled by the switch.

Secondly, the medicine feeder in the above-mentioned embodiment is a piston structure, and the medicine feeder includes a box body, a piston rod and a medicine supply driving machine. The drug supply driver drives the piston rod to move along its axial direction, the piston head of the piston rod pushes the decomposing enzyme to move from the drug inlet of the box body to the drug release port of the box body, and the control circuit board controls the pusher Extend the length of the piston rod to achieve the purpose of controlling the supply of decomposing enzymes. However, in other practical applications, as long as the drug supply driver can drive at least one part of the push rod to move from the drug inlet to the direction of the drug release port, and the at least one part of the push rod pushes the inside of the box. Decomposition enzymes can be used, and the content is not limited to the above.

To sum up, the food waste treatment device of the present invention can crush and decompose food waste by physical and biochemical methods, evaporate water by heating to reduce weight, and then filter the internal gas through the air filter Then it is discharged from the device, thereby reducing the volume of food waste, and using the water removal method to reduce the weight of food waste by at least 85%, as well as the effect of deodorization. Secondly, the treated food waste can be used as organic culture soil.

The above descriptions are only preferred feasible embodiments of the present invention, and any equivalent changes made by applying the description of the present invention and the scope of the patent application should be included in the patent scope of the present invention.

[this invention] 100: Food waste treatment device 10: Chassis 12: Cover 122: The first cover 122a: first opening 123: Connecting pipe 123a: port 123b: port 124: The first shell plate 126: Dosing funnel 126a: Funnel mouth 128: Dust cover 13: Cover switch 132: Shrapnel 132a: first end 132b: Second end 132c: Recessed hole 14: Shell 142: Second cover 142a: Second opening 144: Second shell plate 146: bump 15: Connecting pipe 16: Power switch 162:Open button 164:Close button 20: Dosers 22: Box 22a: Medicine inlet 22b: drug release port 24: Medicine supply driver 242: output shaft 26: Propulsion rod (screw rod) 30: Containers 32: outer barrel 34: inner barrel 36: Weight sensor 38: Stopper 382: First bezel 384: Second bezel 40: Heater 50: agitator 52: drive motor 54: Blade 542: The first blade department 544: Second Blade Section 60: Air filter 62: filter tube 622: Tube body 622a: air inlet 624: First filter element 626: Second filter element 64: Exhaust fan 64a: air outlet 70: Control circuit board S1: first chamber S2: Second chamber

FIG. 1 is a perspective view of a food waste processing device according to a preferred embodiment of the present invention. FIG. 2 is a schematic diagram of the food waste processing device according to the above preferred embodiment of the present invention, showing that the cover is opened. FIG. 3 is a partial exploded view of the cover body in the above-mentioned preferred embodiment of the present invention. FIG. 4 is a partial exploded view of the housing in the above-described preferred embodiment of the present invention. FIG. 5 is another view of FIG. 4 . 6 is an exploded schematic view of the container and the agitator in the above preferred embodiment of the present invention. 7 is a top view of the container and the agitator in the above preferred embodiment of the present invention. FIG. 8 is a plan view of FIG. 1 . FIG. 9 is a cross-sectional view taken along the line 9-9 of FIG. 8 . FIG. 10 is a cross-sectional view taken along the line 10-10 of FIG. 8 . Figure 11 is similar to Figure 10, but reveals the blade rotation. FIG. 12 is a cross-sectional view taken along the line 12-12 of FIG. 8 .

100: Food waste treatment device

10: Chassis

12: Cover

128: Dust cover

13: Cover switch

14: Shell

162:Open button

164:Close button

Claims (25)

A food waste processing device, comprising: a casing, including a casing and a cover, wherein the casing has an accommodating space, and the cover is detachably coupled to the casing and can be moved to a closed position so that the accommodating space is closed; a container is located in the accommodating space and is used for accommodating food waste; a stirrer is located in the accommodating space and has a driving motor and a a blade, wherein the driving motor is connected to the blade, and the blade is arranged in the container and can be driven by the driving motor to rotate; a dosing device is arranged on the casing for adding decomposing enzymes to the container inside the container; a heater, located in the accommodating space, and used to heat the food waste in the container; an air filter, including an air inlet and an air outlet, and a filter tube and a filter connected to each other An exhaust fan; wherein the air inlet corresponds to the interior of the container, the air outlet communicates with the outside world, the exhaust fan guides the air inside the container to flow from the air inlet to the air outlet, and the filter pipe is located in the air circulation and a control circuit board and a weight sensor, the dosing device has a medicine supply driver; the control circuit board is electrically connected to the weight sensor and the medicine supply driver; the weight sensor is provided with At the bottom of the container and used to know the weight of food waste in the container, and transmit a weight signal to the control circuit board, the control circuit board analyzes the weight signal, and then controls the medicine supply driver. The length of the action time, in turn, affects the amount of lytic enzymes supplied to the container. The food waste processing device according to claim 1, wherein the dosing device comprises a box body and a push rod; the box body has a drug inlet and a drug release port, and the push rod is disposed in the box body and connected to the medicine supply driver; the medicine supply driver drives at least one part of the push rod It moves from the drug inlet to the direction of the drug release port, and the at least one part of the push rod pushes the decomposing enzyme in the box. The food waste processing device according to claim 2, wherein the medicine supplying drive has an output shaft, the push rod is a screw rod and is connected to the output shaft; the axial direction of the screw rod is parallel to the axis of the output shaft When the medicine supply driver is driven, the output shaft of the medicine supply driver will drive the blade of the screw rod to rotate, and the blade of the screw rod will release the decomposing enzyme in the box from the medicine inlet toward the release The direction of the medicine mouth is pushed. The food waste processing device according to claim 1, wherein the blade has a first blade part and a second blade part; one end of the first blade part is connected to the output shaft of the driving motor, and the first blade part has an output shaft. The side surface has a plurality of saw teeth, and the saw teeth are arranged and formed along the long axis of the first blade part; one end of the second blade part is connected to the output shaft of the driving motor, and the side surface of the second blade part has A plurality of saw teeth are arranged and formed along the long axis of the second blade portion. The food waste processing device according to claim 4, wherein the distance from the first blade part to the bottom surface of the container is greater than the distance from the second blade part to the bottom surface of the container. The food waste processing device according to claim 5, wherein the inner wall of the container has a blocking member, and the blocking member includes a first blocking plate and a second blocking board; The distance from the bottom surface is greater than the distance from the second baffle to the bottom surface of the container; when the output shaft of the driving motor drives the blade to rotate, the first blade will pass between the first baffle and the second baffle , the second blade will pass between the second baffle and the bottom surface of the container. The food waste processing device according to claim 4, wherein the first blade part and the second blade part are integrally formed. The food waste processing device of claim 1, wherein the control circuit board is electrically connected to the heater, and the control circuit board is used to control the heating temperature of the heater. The food waste processing device according to claim 1, wherein the control circuit board is electrically connected to the driving motor. The food waste processing device as claimed in claim 1 includes a communication pipe, which communicates the inside of the container with the outside, and is used to balance the air pressure between the inside and the outside of the container. The food waste processing device according to claim 1, wherein the casing is provided with a power switch, and the power switch is electrically connected to the mixer, the dosing device, the heater and the exhaust fan. A food waste processing device, comprising: a casing, including a casing and a cover, wherein the casing has an accommodating space, and the cover is detachably coupled to the casing and can be moved to a closed position so that the accommodating space is closed; a container is located in the accommodating space and is used for accommodating food waste; a stirrer is located in the accommodating space and has a driving motor and a a blade, wherein the driving motor is connected to the blade, and the blade is arranged in the container and can be driven by the driving motor to rotate; a dosing device is arranged on the casing for adding decomposing enzymes to the container inside the container; a heater, located in the accommodating space, and used to heat the food waste in the container; an air filter, including an air inlet and an air outlet, and a filter tube and a filter connected to each other An exhaust fan; wherein the air inlet corresponds to the interior of the container, the air outlet communicates with the outside world, the exhaust fan guides the air inside the container to flow from the air inlet to the air outlet, and the filter pipe is located in the air circulation on the path; Wherein the filter tube comprises a tube body, a first filter element and a second filter element; the first filter element and the second filter element are arranged in the pipe body, and the outer surface of the first filter element is coated with Platinum catalyst, the second filter element has at least one filter screen. The food waste processing device according to claim 12, wherein the blade has a first blade part and a second blade part; one end of the first blade part is connected to the output shaft of the driving motor, and the first blade part has an output shaft. The side surface has a plurality of saw teeth, and the saw teeth are arranged and formed along the long axis of the first blade part; one end of the second blade part is connected to the output shaft of the driving motor, and the side surface of the second blade part has A plurality of saw teeth are arranged and formed along the long axis of the second blade portion. The food waste processing device according to claim 13, wherein the distance from the first blade part to the bottom surface of the container is greater than the distance from the second blade part to the bottom surface of the container. The food waste processing device according to claim 14, wherein the inner wall of the container has a blocking member, and the blocking member includes a first blocking plate and a second blocking board; The distance from the bottom surface is greater than the distance from the second baffle to the bottom surface of the container; when the output shaft of the driving motor drives the blade to rotate, the first blade will pass between the first baffle and the second baffle , the second blade will pass between the second baffle and the bottom surface of the container. The food waste processing device according to claim 13, wherein the first blade part and the second blade part are integrally formed. The food waste processing device as claimed in claim 12, comprising a communication pipe, the communication pipe communicates the inside of the container and the outside, and is used to balance the air pressure between the inside and the outside of the container. The food waste processing device according to claim 12, wherein the casing is provided with a power switch, and the power switch is electrically connected to the mixer, the dosing device, the heater and the exhaust fan. A food waste processing device, comprising: a casing, including a casing and a cover, wherein the casing has an accommodating space, and the cover is detachably coupled to the casing and can be moved to a closed position so that the accommodating space is closed; a container is located in the accommodating space and is used for accommodating food waste; a stirrer is located in the accommodating space and has a driving motor and a a blade, wherein the driving motor is connected to the blade, and the blade is arranged in the container and can be driven by the driving motor to rotate; a dosing device is arranged on the casing for adding decomposing enzymes to the container inside the container; a heater, located in the accommodating space, and used to heat the food waste in the container; an air filter, including an air inlet and an air outlet, and a filter tube and a filter connected to each other An exhaust fan; wherein the air inlet corresponds to the interior of the container, the air outlet communicates with the outside world, the exhaust fan guides the air inside the container to flow from the air inlet to the air outlet, and the filter pipe is located in the air circulation on the path; wherein the cover body has a cover body switch and a first joint part connected to the cover body switch, and the casing has a second joint part; one end of the cover body is pivoted on the casing, and the other end The first joint part has the first joint part; when the first joint part is combined with the second joint part, the cover body is in the closed position; when the cover body switch is subjected to an external force, the first joint part and the second joint part are When the joint part is separated, the cover body is in an open position, so that the accommodating space communicates with the outside world. The food waste processing device as claimed in claim 19, wherein the blade has a first blade part and a second blade part; one end of the first blade part is connected to the output of the driving motor a shaft, and the side surface of the first blade part has a plurality of serrations, and the serrations are arranged and formed along the long axis of the first blade part; one end of the second blade part is connected to the output shaft of the driving motor, and The side surface of the second blade portion has a plurality of serrations, and the serrations are formed along the long axis of the second blade portion. The food waste processing device of claim 20, wherein the distance from the first blade portion to the bottom surface of the container is greater than the distance from the second blade portion to the bottom surface of the container. The food waste processing device according to claim 21, wherein the inner wall of the container has a blocking member, and the blocking member comprises a first blocking plate and a second blocking board; The distance from the bottom surface is greater than the distance from the second baffle to the bottom surface of the container; when the output shaft of the driving motor drives the blade to rotate, the first blade will pass between the first baffle and the second baffle , the second blade will pass between the second baffle and the bottom surface of the container. The food waste processing device according to claim 20, wherein the first blade part and the second blade part are integrally formed. The food waste processing device as claimed in claim 19, comprising a communication pipe, the communication pipe communicates the inside of the container with the outside, and is used to balance the air pressure between the inside and the outside of the container. The food waste processing device according to claim 19, wherein the casing is provided with a power switch, and the power switch is electrically connected to the mixer, the dosing device, the heater and the exhaust fan.

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