Food waste biodegradation device

Abstract

The present invention relates to the technical field of food waste treatment, and specifically to a food waste biodegradation device, comprising a shell and a conveyor belt arranged inside the shell, wherein a plurality of partitions are installed on the conveyor belt at equal intervals, and the partitions are in contact with the inner wall of the shell to separate a plurality of material chambers in the shell, and the shell is provided with a feed port, a discharge hole and a movable filter plate on the moving path of the material chamber; the movable filter plate reciprocates along a horizontal direction perpendicular to the moving path of the material chamber; the shell is provided with an extrusion unit for pressing the material in the material chamber passing above the movable filter plate, a filter hole cleaning unit for cleaning the filter holes of the movable filter plate moved to the outside of the material chamber, and a liquid collecting box for collecting liquid discharged through the filter holes. The technical solution changes the filter holes located below the material chamber by moving the movable filter plate, and the filter holes separated from the bottom of the material chamber are cleaned by the filter hole cleaning unit installed on the shell, so as to avoid the filter holes being blocked by residues in the material.

Description

Technical Field

[0001] The present invention relates to the technical field of restaurant and kitchen waste treatment, in particular to a restaurant and kitchen waste biodegradation device. Background Art

[0002] With the acceleration of urbanization, the disposal of food waste has become a significant environmental issue. Traditional waste disposal methods primarily rely on landfill and incineration, but these methods present certain challenges. Chinese patent CN117548464A discloses a food waste biodegradation device and method. This device utilizes a complete chain of mechanisms, including filtration, pulverization, solid-liquid separation, degradation reaction, product transport, and temperature control, to effectively degrade food waste.

[0003] The solid-liquid separation mechanism of the equipment includes a solid material separation chamber and a liquid material separation chamber, but the solid material after natural separation contains a large amount of water and cannot be effectively separated. Usually, a screw press dehydrator can be used for solid-liquid separation, but the screw press dehydrator can only squeeze the material as a whole. During the extrusion process, the liquid may not be discharged, affecting the efficiency of solid-liquid separation, and the filter holes outside the screw press dehydrator may be blocked by solid residues, affecting the efficiency of liquid discharge. Cleaning the filter holes requires shutdown, affecting work efficiency. Summary of the Invention

[0004] In view of the above problems, it is necessary to provide a food waste biodegradation device to address the existing technical problems.

[0005] In order to solve the problems of the prior art, the technical solution adopted by the present invention is:

[0006] The food waste biodegradation device includes a shell and a conveyor belt arranged inside the shell. Several partitions are installed on the conveyor belt at equal intervals. The partitions fit the inner wall of the shell to separate the shell into multiple material chambers. A driving shaft for driving the conveyor belt to rotate is provided in the shell. The driving shaft drives the conveyor belt to rotate and drives the material chamber to move. The shell is provided with a feed port, a discharge hole and a movable filter plate on the moving path of the material chamber; the movable filter plate is slidably installed on the bottom of the shell, and the movable filter plate fits the bottom of the partition. The movable filter plate is provided with filter holes at one end of the moving path of the material chamber, and the filter holes are distributed in a matrix. A driving unit is provided at the bottom of the shell, and the driving unit drives the movable filter plate to reciprocate in a horizontal direction perpendicular to the moving path of the material chamber; the shell is provided with an extrusion unit for pressing the material in the material chamber passing above the movable filter plate, a filter hole cleaning unit for cleaning the filter holes of the movable filter plate moved to the outside of the material chamber, and a liquid collecting box for collecting liquid discharged through the filter holes.

[0007] Preferably, the extrusion unit includes a linear drive fixedly mounted on the top of the shell, and a mounting plate arranged on the working end of the linear drive, and a plurality of extrusion blocks are arranged at the bottom of the mounting plate. The extrusion blocks have a cross-section of the same shape and size as the material cavity passing above the movable filter plate. The linear drive drives the extrusion blocks into the material cavity above the movable filter plate to extrude the material.

[0008] Preferably, an inner support plate having the same shape as the conveyor belt is provided in the shell, the inner support plate is located below the conveyor belt, and the partition is in contact with the inner support plate.

[0009] Preferably, the movable filter plate is slidably mounted in a limiting slide rail at the bottom of the shell, and the driving unit includes a mounting frame fixedly mounted on the bottom of the shell, a turntable is rotatably mounted on the mounting frame, the axis of the turntable is vertically arranged, and an insertion rod is provided on the upper surface of the turntable, and the insertion rod is located on one side of the axis of the turntable; a waist-shaped socket is provided in the center of the movable filter plate, the length direction of the waist-shaped socket is perpendicular to the length direction of the limiting slide rail and is horizontally arranged, the width of the waist-shaped socket is the same as the diameter of the insertion rod, the insertion rod is inserted in the waist-shaped socket, and the rotation of the turntable drives the movable filter plate to move back and forth in the limiting slide rail.

[0010] Preferably, the straight-line distance between the axis of the insertion rod and the axis of the turntable is not less than the straight-line distance between the inner support plate and the shell.

[0011] Preferably, a first bevel gear is coaxially arranged at the bottom end of the turntable, a second bevel gear is rotatably mounted on the mounting frame, the first bevel gear is meshed with the second bevel gear, the axis of the second bevel gear is horizontally arranged, and the driving unit also includes a rotary driver fixedly mounted on the bottom of the shell, and the working end of the rotary driver is transmission-connected to the second bevel gear; synchronous wheels are installed at the bottom of the turntable and the bottom end of the driving shaft of the conveyor belt, and the synchronous wheels of the turntable and the bottom end of the driving shaft are connected through a synchronous belt transmission.

[0012] Preferably, the filter hole cleaning unit includes an air source fixedly mounted on the shell, and two air strip boxes. The output end of the air source is connected to the air strip boxes through an air pipe. The air strip boxes are respectively mounted on the outside of the shell and inside the inner support plate. The air strip boxes extend along the width direction of the movable filter plate. Several air outlets are provided at the bottom of the air strip box. The diameter of the air outlet is not larger than the diameter of the filter hole. The air outlets are evenly spaced along the width direction of the movable filter plate, and the spacing between the air outlets is the same as the spacing between the filter holes.

[0013] Preferably, the spacing between the filter holes on the movable filter plate along the moving direction of the movable filter plate is not less than the diameter of the filter holes; a piston pressure plate is provided in the air bar box, and a vertical guide rod is provided on the top of the piston pressure plate. The guide rod is inserted into a guide sleeve provided on the top of the air bar box, and a spring is provided on the guide sleeve. The spring elastically connects the piston pressure plate and the top of the air bar box, and the elastic force of the spring causes the piston pressure plate to move downward.

[0014] Preferably, the liquid collecting box opening is fixedly installed upward at the bottom of the shell, and the top of the liquid collecting box is in contact with the lower surface of the movable filter plate. The liquid collecting box includes a liquid collecting chamber located below the moving path of the material chamber, and the bottom of the liquid collecting chamber is provided with an inclined surface inclined toward the center, and a drain pipe is provided at the lowest position in the center of the liquid collecting chamber.

[0015] Preferably, the liquid collecting tank is also provided with two slag collecting cavities located below the two gas strip boxes, the two slag collecting cavities are respectively located on both sides of the liquid collecting cavity, an opening is provided on the side of the slag collecting cavity away from the liquid collecting cavity, a slag collecting box is installed in the slag collecting cavity, the slag collecting box opens upward, and an air vent is provided on the side of the slag collecting box facing the outside of the liquid collecting tank.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] First, in the present invention, a material cavity is formed between two adjacent partitions on the conveyor belt. When the driving shaft drives the conveyor belt to rotate, the material in the material cavity moves with the material cavity. By setting up multiple material cavities, the material entering the shell is diverted, thereby improving the efficiency of squeezing the material and discharging the liquid, avoiding the inability to separate the liquid in time due to too much material.

[0018] Secondly, the movable filter plate in the present invention is slidably installed at the bottom of the shell, so the movable filter plate can change the filter holes located below the material chamber by moving. The filter holes moved out of the material chamber can be cleaned by the filter hole cleaning unit installed on the shell, thereby avoiding the residue in the material from blocking the filter holes and affecting the efficiency of liquid passage, thereby ensuring long-term operation of the equipment.

[0019] Thirdly, the filter hole cleaning unit in the present invention transports air into the air bar box through the air source. When the filter hole moves to the air outlet at the bottom of the air bar box, the air in the air bar box is transported from the air outlet to the filter hole, and the residue in the filter hole is blown out, thereby cleaning the filter hole. The filter hole passing through the air bar box from the direction of the material cavity still needs to pass through the air bar box again to move to the bottom of the material cavity during the reverse movement of the mobile filter plate. Therefore, the filter hole can be cleaned a second time to ensure that the filter hole is unobstructed after it moves to the bottom of the material cavity again. In addition, during the horizontal movement of the mobile filter plate, the overlapping area of the filter hole and the air outlet will change. Therefore, the air flow rate through the filter hole and the air outlet will accelerate accordingly, thereby improving the cleaning intensity of the filter hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional device for biodegradation of kitchen waste. Figure 1 ;

[0021] Figure 2 It is a three-dimensional device for biodegradation of kitchen waste. Figure 2 ;

[0022] Figure 3 This is a top view of a food waste biodegradation device;

[0023] Figure 4 yes Figure 3 Cross-sectional view at AA of FIG;

[0024] Figure 5 yes Figure 4 A partial enlarged view of

[0025] Figure 6 It is the three-dimensional structure decomposition of the food waste biodegradation device Figure 1 ;

[0026] Figure 7 It is the three-dimensional structure decomposition of the food waste biodegradation device Figure 2 ;

[0027] Figure 8 It is a three-dimensional diagram of the filter cleaning unit and the liquid collection tank of the food waste biodegradation device;

[0028] Figure 9 This is a three-dimensional structural exploded diagram of the filter cleaning unit and liquid collecting tank of the food waste biodegradation device.

[0029] The numbers in the figure are: 1, housing; 11, feed port; 12, discharge hole; 13, inner support plate; 14, limit slide rail; 2, conveyor belt; 21, partition; 211, material chamber; 22, drive shaft; 3, movable filter plate; 31, filter hole; 32, drive unit; 321, mounting frame; 322, turntable; 323, insertion rod; 324, first bevel gear; 325, second bevel gear; 326, rotary drive; 327, synchronous wheel; 3 28. Synchronous belt; 33. Waist-shaped socket; 4. Extrusion unit; 41. Linear drive; 42. Mounting plate; 43. Extrusion block; 5. Filter cleaning unit; 51. Air source; 52. Air bar box; 521. Air outlet; 522. Piston pressure plate; 523. Guide rod; 524. Guide sleeve; 525. Spring; 6. Liquid collecting box; 61. Liquid collecting chamber; 611. Drain pipe; 62. Slag collecting chamber; 621. Slag collecting box; 622. Air vent. DETAILED DESCRIPTION

[0030] In order to further understand the features, technical means, specific objectives and functions achieved by the present invention, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0031] Reference Figures 1 to 9 :

[0032] The food waste biodegradation device includes a housing 1 and a conveyor belt 2 arranged inside the housing 1. A plurality of partitions 21 are installed on the conveyor belt 2 at equal intervals. The partitions 21 are attached to the inner wall of the housing 1 to separate the housing 1 into a plurality of material chambers 211. A driving shaft 22 (such as a driving shaft 22 for driving the conveyor belt 2 to rotate) is provided in the housing 1. Figure 6 As shown), the driving shaft 22 drives the conveyor belt 2 to rotate and drive the material chamber 211 to move, and the shell 1 is provided with a feed port 11, a discharge hole 12 and a movable filter plate 3 on the moving path of the material chamber 211; the movable filter plate 3 is slidably installed on the bottom of the shell 1, and the movable filter plate 3 is in contact with the bottom of the partition 21. The movable filter plate 3 is located at one end of the moving path of the material chamber 211 and is provided with filter holes 31. The filter holes 31 are distributed in a matrix, and a driving unit 32 is provided at the bottom of the shell 1. The driving unit 32 drives the movable filter plate 3 to reciprocate in a horizontal direction perpendicular to the moving path of the material chamber 211; the shell 1 is provided with an extrusion unit 4 for pressing the material in the material chamber 211 passing above the movable filter plate 3, a filter hole cleaning unit 5 for cleaning the filter holes 31 of the movable filter plate 3 moved to the outside of the material chamber 211, and a liquid collecting box 6 for collecting the liquid discharged through the filter holes 31.

[0033] The degradation device in the present application is mainly used in the solid-liquid separation stage in biodegradation. After the classification and filtration of the kitchen waste are completed, the solid waste material enters the material cavity 211 formed between two adjacent partitions 21 on the conveyor belt 2 through the feed port 11 of the shell 1. When the drive shaft 22 drives the conveyor belt 2 to rotate, the material in the material cavity 211 moves with the material cavity 211 until it passes above the movable filter plate 3. At this time, the squeezing unit 4 squeezes the material in the material cavity 211, so that the liquid in the material is discharged from the bottom of the filter hole 31 of the movable filter plate 3. The liquid collecting box 6 provided at the bottom of the shell 1 collects the liquid discharged from the filter hole 31 of the movable filter plate 3 to achieve solid-liquid separation. The material after squeezing continues to move. When the material after the water is discharged moves to the discharge hole 12, the material in the material cavity 211 falls off. The conveyor belt 2 drives multiple material cavities 211 to move back and forth. The material entering the shell 1 is distributed in each material cavity 211. Therefore, the efficiency of squeezing and draining can be improved by diverting the material, avoiding the problem that the liquid cannot be separated in time due to a large amount of material. The movable filter plate 3 in this embodiment is slidably installed at the bottom of the shell 1, so the movable filter plate 3 can change the position of the filter hole 31 located below the material chamber 211 by moving. The filter hole 31 moved out of the material chamber 211 can be cleaned by the filter hole cleaning unit 5 installed on the shell 1, thereby avoiding the residue in the material from blocking the filter hole 31 and affecting the efficiency of liquid passage, thereby ensuring long-term operation of the equipment.

[0034] In order to solve the problem of how to squeeze the material in the material cavity 211 passing through the movable filter plate 3, the following features are specifically set:

[0035] The extrusion unit 4 includes a linear drive 41 fixedly mounted on the top of the shell 1, and a mounting plate 42 arranged on the working end of the linear drive 41. A plurality of extrusion blocks 43 are arranged at the bottom of the mounting plate 42. The extrusion blocks 43 have a cross-section of the same shape and size as the material cavity 211 passing above the movable filter plate 3. The linear drive 41 drives the extrusion blocks 43 to enter the material cavity 211 above the movable filter plate 3 to extrude the material.

[0036] like Figure 1 As shown, the conveyor belt 2 in this embodiment is annular, and the partition 21 is vertically installed between the outer wall of the conveyor belt 2 and the shell 1 to form a material chamber 211. The number and size of the partition 21 can be set according to actual conditions. The conveyor belt 2 drives the partition 21 to move step by step. The extrusion block 43 of the extrusion unit 4 has a cross-section of the same shape and size as the material chamber 211 passing above the movable filter plate 3. Therefore, when the material chamber 211 moves above the movable filter plate 3, the linear drive 41 of the extrusion unit 4 drives the mounting plate 42 to move vertically downward, and the extrusion block 43 at the bottom of the mounting plate 42 moves downward from the upper opening of the material chamber 211 and enters the material chamber 211 to squeeze the material in the material chamber 211 from top to bottom, so that the material is close to the movable filter plate 3 at the bottom, and the liquid in the material is discharged from the filter hole 31. After the extrusion is completed, the linear drive 41 drives the mounting plate 42 to move upward to make the extrusion block 43 separate from the inside of the material chamber 211, and the conveyor belt 2 drives the material chamber 211 to continue moving. The linear actuator 41 in this embodiment can be an oil cylinder, an air cylinder or an electric push rod, etc. Figure 1 As shown, if there can be multiple material chambers 211 above the movable filter plate 3 at the same time, the number of the extrusion blocks 43 can also be set to multiple.

[0037] In order to solve the problem of how to avoid deformation of the conveyor belt 2 caused by the material being subjected to force when the squeezing block 43 squeezes the material in the material cavity 211, the following features are specifically provided:

[0038] An inner support plate 13 having the same shape as the conveyor belt 2 is provided in the housing 1 . The inner support plate 13 is located below the conveyor belt 2 , and the partition plate 21 is in contact with the inner support plate 13 .

[0039] In this embodiment, an inner support plate 13 is provided on the shell 1, and the inner support plate 13 is located below the conveyor belt 2. Therefore, the partition 21 installed on the conveyor belt 2 is inserted between the shell 1 and the inner support plate 13 to form a material cavity 211. The material is located between the shell 1 and the inner support plate 13 and moves without causing liquid leakage. When the material cavity 211 moves above the movable filter plate 3, the extrusion block 43 enters the material cavity 211 to press the material. The material is subjected to pressure from the shell 1, the inner support plate 13, the movable filter plate 3 and the extrusion block 43, thereby squeezing out the liquid.

[0040] In order to solve the problem of how the movable filter plate 3 can reciprocate at the bottom of the housing 1, the following features are specifically set:

[0041] The movable filter plate 3 is slidably mounted in the limiting slide rail 14 at the bottom of the housing 1. The driving unit 32 includes a mounting frame 321 fixedly mounted at the bottom of the housing 1. A turntable 322 is rotatably mounted on the mounting frame 321. The axis of the turntable 322 is vertically arranged. An insert rod 323 (such as Figure 6 As shown), the insertion rod 323 is located on one side of the axis of the turntable 322; a waist-shaped socket 33 is provided in the center of the movable filter plate 3, the length direction of the waist-shaped socket 33 is perpendicular to the length direction of the limiting slide 14 and is horizontally arranged, the width of the waist-shaped socket 33 is the same as the diameter of the insertion rod 323, the insertion rod 323 is inserted into the waist-shaped socket 33, and the rotation of the turntable 322 drives the movable filter plate 3 to move back and forth in the limiting slide 14.

[0042] When the filter plate 3 is in the working state, the filter screen 31 is in the working state, and the filter screen 31 is in the working state, so the filter screen 31 is in the working state, and the filter screen 31 is in the working state, so the filter screen 31 is in the working state, and the filter screen 31 is in the working state, so the filter screen 31 is in the working state, and the filter screen 31 is in the working state, so the filter screen 31 is in the working state, and the filter screen 31 is in the working state, so the filter screen 31 is in the working state, and the filter screen 31 is in the working state, so the filter screen 31 is in the working state,

[0043] In order to ensure that all the filter holes 31 have the opportunity to move to the outside of the material chamber 211, the following features are specifically set:

[0044] The straight-line distance between the axis of the inserting rod 323 and the axis of the rotating disk 322 is not less than the straight-line distance between the inner supporting plate 13 and the housing 1 .

[0045] The straight-line distance between the axis of the insertion rod 323 and the axis of the turntable 322 in this embodiment is not less than the straight-line distance between the inner support plate 13 and the shell 1. Therefore, the moving range of the movable filter plate 3 in a single direction is greater than the width of the material chamber 211 in the moving direction of the movable filter plate 3, thereby ensuring that all the filter holes 31 located below the material chamber 211 can be moved out to the outside of the material chamber 211 and cleaned by the filter hole cleaning unit 5.

[0046] In order to achieve the problem of synchronous rotation of the turntable 322 and the drive shaft 22 of the conveyor belt 2, the following features are specifically set:

[0047] A first bevel gear 324 is coaxially arranged at the bottom end of the turntable 322, and a second bevel gear 325 is rotatably mounted on the mounting frame 321. The first bevel gear 324 is meshed with the second bevel gear 325, and the axis of the second bevel gear 325 is horizontally arranged. The driving unit 32 also includes a rotation driver 326 fixedly mounted on the bottom of the shell 1, and the working end of the rotation driver 326 is transmission-connected to the second bevel gear 325; a synchronous wheel 327 is installed at the bottom of the turntable 322 and the bottom end of the drive shaft 22 of the conveyor belt 2, and the synchronous wheel 327 at the bottom end of the turntable 322 and the drive shaft 22 is transmission-connected via a synchronous belt 328.

[0048] The turntable 322 in this embodiment is connected to the working end of the rotation driver 326 through the first bevel gear 324 and the second bevel gear 325. The rotation driver 326 can be a servo motor. The rotation driver 326 drives the turntable 322 to rotate, thereby moving the mobile filter plate 3. The driving shaft 22 of the conveyor belt 2 and the synchronous wheel 327 provided on the turntable 322 are connected through the synchronous belt 328. Therefore, only one rotation driver 326 can simultaneously drive the turntable 322 and the driving shaft 22 to rotate. The staff can program the rotation driver 326 to realize the step-by-step movement of the material chamber 211 driven by the conveyor belt 2, and when the position of the material chamber 211 is fixed, the mobile filter plate 3 remains stationary. When the material chamber 211 moves, the mobile filter plate 3 drives the filter hole 31 to change position.

[0049] As the movable filter plate 3 moves back and forth, the filter holes 31 are separated from the lower opening of the material chamber 211 at both ends of the material chamber 211. In order to clean the filter holes 31 at both ends, the following features are specifically set:

[0050] The filter pore cleaning unit 5 includes an air source 51 fixedly mounted on the housing 1 (combined with Figure 1 and Figure 7 ), and two gas boxes 52, the output end of the gas source 51 is connected to the gas box 52 through the air pipe, and the gas box 52 is respectively installed outside the housing 1 and inside the inner support plate 13 (combined Figure 1 、 Figure 4 and Figure 5 ), the air box 52 extends along the width direction of the movable filter plate 3; the air box 52 is provided with a plurality of air outlets 521 at the bottom, the diameter of the air outlet 521 is not greater than the diameter of the filter hole 31, and the air outlets 521 are evenly spaced along the width direction of the movable filter plate 3, and the spacing between the air outlets 521 is the same as the spacing between the filter holes 31.

[0051] The air strip box 52 of the filter hole cleaning unit 5 in this embodiment is respectively installed on the outside of the shell 1 and the inside of the inner support plate 13. Therefore, when the filter plate 3 moves back and forth, the filter holes 31 that are separated from the material chamber 211 in different directions can pass through the air outlet 521 at the bottom of the air strip box 52. The air source 51 transports air into the air strip box 52. When the filter hole 31 moves to the air outlet 521, the air in the air strip box 52 is transported from the air outlet 521 to the filter hole 31, and the residue in the filter hole 31 is blown out to achieve the cleaning of the filter hole 31. , the filter holes 31 passing through the air box 52 from the direction of the material chamber 211 still need to pass through the air box 52 again to move to the bottom of the material chamber 211 during the reverse movement of the movable filter plate 3. Therefore, the filter holes 31 can be cleaned for a second time to ensure that the filter holes 31 are unobstructed after moving to the bottom of the material chamber 211 again. In addition, during the horizontal movement of the movable filter plate 3, the overlapping area of the filter holes 31 and the air outlet 521 will change. Therefore, the air flow velocity through the filter holes 31 and the air outlet 521 will be accelerated accordingly, thereby improving the cleaning intensity of the filter holes 31.

[0052] In order to increase the impact force of the gas on the residue in the filter pores 31, the following features are specifically set:

[0053] The spacing between the filter holes 31 on the movable filter plate 3 along the moving direction of the movable filter plate 3 is not less than the diameter of the filter holes 31; a piston pressure plate 522 is provided in the air bar box 52, and a vertical guide rod 523 is provided on the top of the piston pressure plate 522. The guide rod 523 is inserted into a guide sleeve 524 provided at the top of the air bar box 52, and a spring 525 is provided on the guide sleeve 524. The spring 525 elastically connects the piston pressure plate 522 and the top of the air bar box 52, and the elastic force of the spring 525 causes the piston pressure plate 522 to move downward.

[0054] Since the spacing between the filter holes 31 on the movable filter plate 3 along the moving direction of the movable filter plate 3 is not less than the diameter of the filter holes 31, each time the movable filter plate 3 moves so that the air outlet 521 is located between adjacent filter holes 31, the movable filter plate 3 can block the air outlet 521, thereby rapidly increasing the air pressure in the air source 51. Subsequently, when the movable filter plate 3 moves again to overlap the filter holes 31 and the air outlet 521, the impact force of the air flow on the residue in the filter holes 31 can be increased, thereby improving the cleaning efficiency. The piston pressure plate 522 installed in the air box 52 can move upward and compress the spring 525 when the air pressure in the air box 52 is too high. After the air outlet 521 overlaps with the filter hole 31, the piston pressure plate 522 can move downward rapidly under the elastic force of the spring 525 to discharge the gas in the air box 52.

[0055] In order to solve the problem of how to collect the separated liquid in the liquid collecting tank 6, the following features are specifically set:

[0056] The liquid collecting box 6 is fixedly installed at the bottom of the shell 1 with its opening upward, and the top of the liquid collecting box 6 is in contact with the lower surface of the movable filter plate 3. The liquid collecting box 6 includes a liquid collecting chamber 61 located below the moving path of the material chamber 211. The bottom of the liquid collecting chamber 61 is provided with an inclined surface inclined toward the center, and a drain pipe 611 is provided at the lowest position in the center of the liquid collecting chamber 61.

[0057] The liquid collecting box 6 in this embodiment is fixedly installed at the bottom of the shell 1. The top opening of the liquid collecting chamber 61 of the liquid collecting box 6 is in contact with the bottom of the movable filter plate 3, and is located in the moving path of the material chamber 211 and below the extrusion block 43. When the extrusion block 43 enters the material chamber 211 to extrude the material, the liquid passing through the filter hole 31 falls into the liquid collecting chamber 61 of the liquid collecting box 6, and flows along the inclined surface of the liquid collecting chamber 61 to the drain pipe 611 and is discharged for subsequent liquid processing.

[0058] In order to uniformly collect the residues cleaned by the filter pore cleaning unit 5, the following features are specifically set:

[0059] The liquid collecting tank 6 is also provided with two slag collecting chambers 62 located below the two gas strip boxes 52. The two slag collecting chambers 62 are respectively located on both sides of the liquid collecting chamber 61. The slag collecting chamber 62 is provided with an opening on the side away from the liquid collecting chamber 61. A slag collecting box 621 is installed in the slag collecting chamber 62. The slag collecting box 621 opens upward, and an air vent 622 is provided on the side of the slag collecting box 621 facing the outside of the liquid collecting tank 6.

[0060] In this embodiment, slag collecting chambers 62 are further provided on both sides of the liquid collecting chamber 61 of the liquid collecting box 6. The slag collecting chamber 62 is located below the gas strip box 52. Therefore, after the gas strip box 52 blows out the residue in the filter hole 31, it can directly enter the slag collecting chamber 62 through the opening on the upper side of the liquid collecting box 6 and fall into the slag collecting box 621 installed in the slag collecting chamber 62. The staff only needs to clean the slag collecting box 621 regularly. The slag collecting box 621 is also provided with an air vent 622. The air vent 622 can discharge the gas input into the slag collecting chamber 62 by the gas strip box 52 to avoid excessive air pressure in the slag collecting chamber 62.

[0061] Working principle: After completing the classification and filtration of the kitchen waste, the solid waste material enters the material cavity 211 formed between the two adjacent partitions 21 on the conveyor belt 2 through the feed port 11 of the shell 1. When the drive shaft 22 drives the conveyor belt 2 to rotate, the material in the material cavity 211 moves with the material cavity 211 until it passes over the top of the movable filter plate 3. At this time, the squeezing unit 4 squeezes the material in the material cavity 211, so that the liquid in the material is discharged from the bottom of the filter hole 31 of the movable filter plate 3. The liquid collecting box 6 provided at the bottom of the shell 1 collects the liquid discharged from the filter hole 31 of the movable filter plate 3. , solid-liquid separation is achieved, and the material after extrusion continues to move. When the material after moisture is discharged moves to the discharge hole 12, the material in the material cavity 211 falls down, and the conveyor belt 2 drives multiple material cavities 211 to move back and forth. At the same time, the mobile filter plate 3 is located at the bottom of the shell 1 and moves back and forth in a straight line. The mobile filter plate 3 changes the filter hole 31 below the material cavity 211 by movement. The filter hole 31 moved out of the material cavity 211 can be cleaned by the filter hole cleaning unit 5 installed on the shell 1, and the filter hole cleaning unit 5 discharges the residue blocked in the filter hole 31 of the mobile filter plate 3.

[0062] The above embodiments merely represent one or several implementations of the present invention, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the spirit of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be determined by the appended claims.

Claims

1. A food waste biodegradation device, characterized in that: The invention comprises a shell (1), and a conveyor belt (2) arranged inside the shell (1); a plurality of partitions (21) are installed on the conveyor belt (2) at equal intervals; the partitions (21) are in contact with the inner wall of the shell (1) to separate the shell (1) into a plurality of material chambers (211); a driving shaft (22) for driving the conveyor belt (2) to rotate is arranged in the shell (1); the driving shaft (22) drives the conveyor belt (2) to rotate and drives the material chamber (211) to move; the shell (1) is provided with a feed port (11), a discharge hole (12) and a movable filter plate (3) on the moving path of the material chamber (211); The movable filter plate (3) is slidably mounted on the bottom of the housing (1), the movable filter plate (3) is in contact with the bottom of the partition (21), and the movable filter plate (3) is provided with filter holes (31) at one end of the moving path of the material chamber (211), and the filter holes (31) are distributed in a matrix. A driving unit (32) is provided at the bottom of the housing (1), and the driving unit (32) drives the movable filter plate (3) to reciprocate along a horizontal direction perpendicular to the moving path of the material chamber (211); The housing (1) is provided with a squeezing unit (4) for pressing the material in the material cavity (211) passing above the movable filter plate (3), a filter hole cleaning unit (5) for cleaning the filter holes (31) of the movable filter plate (3) moved to the outside of the material cavity (211), and a liquid collecting box (6) for collecting liquid discharged through the filter holes (31).

2. The food waste biodegradation device according to claim 1, characterized in that: The extrusion unit (4) comprises a linear drive (41) fixedly mounted on the top of the housing (1), and a mounting plate (42) arranged on the working end of the linear drive (41). A plurality of extrusion blocks (43) are arranged at the bottom of the mounting plate (42). The extrusion blocks (43) have a cross-section having the same shape and size as the material cavity (211) passing above the movable filter plate (3). The linear drive (41) drives the extrusion blocks (43) to enter the material cavity (211) above the movable filter plate (3) to extrude the material.

3. The food waste biodegradation device according to claim 2, characterized in that: An inner support plate (13) having the same shape as the conveyor belt (2) is provided in the shell (1); the inner support plate (13) is located below the conveyor belt (2); and the partition plate (21) is in contact with the inner support plate (13).

4. The food waste biodegradation device according to claim 3, characterized in that: The movable filter plate (3) is slidably mounted in a limiting slide rail (14) at the bottom of the housing (1); the driving unit (32) comprises a mounting frame (321) fixedly mounted at the bottom of the housing (1); a turntable (322) is rotatably mounted on the mounting frame (321); the axis of the turntable (322) is vertically arranged; an insertion rod (323) is arranged on the upper surface of the turntable (322); the insertion rod (323) is located on one side of the axis of the turntable (322); A waist-shaped insertion hole (33) is provided at the center of the movable filter plate (3). The length direction of the waist-shaped insertion hole (33) is perpendicular to the length direction of the limiting slide rail (14) and is horizontally arranged. The width of the waist-shaped insertion hole (33) is the same as the diameter of the insertion rod (323). The insertion rod (323) is inserted into the waist-shaped insertion hole (33). The rotating disk (322) rotates to drive the movable filter plate (3) to reciprocate in the limiting slide rail (14).

5. The food waste biodegradation device according to claim 4, characterized in that: The straight-line distance between the axis of the insertion rod (323) and the axis of the rotating disk (322) is not less than the straight-line distance between the inner support plate (13) and the housing (1).

6. The food waste biodegradation device according to claim 4, characterized in that: A first bevel gear (324) is coaxially arranged at the bottom end of the rotating disk (322), a second bevel gear (325) is rotatably mounted on the mounting frame (321), the first bevel gear (324) is meshedly connected with the second bevel gear (325), and the axis of the second bevel gear (325) is arranged horizontally. The driving unit (32) further includes a rotary driver (326) fixedly mounted on the bottom of the housing (1), and a working end of the rotary driver (326) is transmission-connected to the second bevel gear (325); The bottom of the turntable (322) and the bottom of the driving shaft (22) of the conveyor belt (2) are both equipped with synchronous wheels (327), and the turntable (322) and the synchronous wheels (327) at the bottom of the driving shaft (22) are connected by a synchronous belt (328).

7. The food waste biodegradation device according to claim 3, characterized in that: The filter pore cleaning unit (5) comprises an air source (51) fixedly mounted on the housing (1), and two air bars (52), the output end of the air source (51) is connected to the air bars (52) via an air pipe, the air bars (52) are mounted outside the housing (1) and inside the inner support plate (13), respectively, and the air bars (52) extend along the width direction of the movable filter plate (3); The bottom of the air box (52) is provided with a plurality of air outlets (521), the diameter of the air outlets (521) is not greater than the diameter of the filter holes (31), the air outlets (521) are evenly spaced along the width direction of the movable filter plate (3), and the spacing between the air outlets (521) is the same as the spacing between the filter holes (31).

8. The food waste biodegradation device according to claim 7, characterized in that: The spacing between the filter holes (31) on the movable filter plate (3) along the moving direction of the movable filter plate (3) is not less than the diameter of the filter holes (31); A piston pressure plate (522) is provided in the gas bar box (52), and a vertical guide rod (523) is provided on the top of the piston pressure plate (522). The guide rod (523) is inserted into a guide sleeve (524) provided on the top of the gas bar box (52). A spring (525) is provided on the guide sleeve (524). The spring (525) elastically connects the piston pressure plate (522) and the top of the gas bar box (52). The elastic force of the spring (525) causes the piston pressure plate (522) to move downward.

9. The food waste biodegradation device according to claim 7, characterized in that: The liquid collecting box (6) is fixedly mounted on the bottom of the shell (1) with its opening facing upward, and the top of the liquid collecting box (6) is in contact with the lower surface of the movable filter plate (3). The liquid collecting box (6) includes a liquid collecting chamber (61) located below the moving path of the material chamber (211), and the bottom of the liquid collecting chamber (61) is provided with an inclined surface inclined toward the center, and a drain pipe (611) is provided at the lowest position in the center of the liquid collecting chamber (61).

10. The food waste biodegradation device according to claim 9, characterized in that: The liquid collecting box (6) is further provided with two slag collecting chambers (62) located below the two gas bars (52). The two slag collecting chambers (62) are respectively located on both sides of the liquid collecting chamber (61). An opening is provided on a side of the slag collecting chamber (62) away from the liquid collecting chamber (61). A slag collecting box (621) is installed in the slag collecting chamber (62). The opening of the slag collecting box (621) is upward. An air vent (622) is provided on a side of the slag collecting box (621) facing the outside of the liquid collecting box (6).

Images