Household garbage fermentation device
By designing a domestic waste fermentation device including a mixing mechanism and a backwashing mechanism, the problems of insufficient solid-liquid separation and easy blockage of the filter net in the prior art are solved, and rapid fermentation of garbage and effective solid-liquid separation are achieved.
Patent Information
- Application Number
- CN202421653390.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-12
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-07-12
AI Technical Summary
During the solid-liquid separation process, existing domestic waste fermentation devices have problems such as insufficient filtration of solid waste and easy blockage of separation filters.
A domestic waste fermentation device including a box, a lifting mechanism, a stirring mechanism and a filter plate is designed. The garbage is fully stirred through a stirring mechanism to accelerate fermentation, and solid-liquid separation is achieved using the lifting cylinder and the extruded push plate. At the same time, a backwashing mechanism is set up to backwash the filter plate to avoid clogging.
The garbage is fully stirred and accelerated fermentation, shortened the fermentation cycle, and effectively separated solid and liquid, avoiding the problem of carrying liquid when solid discharge, and avoiding the filter plate clogging.
Smart Images
Figure CN222821459U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of domestic garbage treatment, in particular to a domestic garbage fermentation device. Background Art
[0002] Domestic waste is solid waste generated by people in their daily lives or in activities that provide services for their daily lives. It can generally be divided into four categories: recyclable waste, kitchen waste, hazardous waste and other waste. Common waste treatment methods include comprehensive utilization, sanitary landfill, incineration and composting. By fermenting domestic waste into organic fertilizer, waste utilization can be achieved;
[0003] The utility model with patent publication number CN217077434U discloses a domestic garbage fermentation device, including a fermentation tank, a connecting column, a separation filter, and a stirring assembly, a receiving chamber is provided on the connecting column, a lifting cylinder is provided in the receiving chamber, a lifting sleeve is connected to the separation filter, the lifting sleeve sleeve is slidably sealed with the connecting column, the lifting sleeve is connected to the telescopic end of the lifting cylinder, and the stirring assembly includes a connecting shaft, a connecting sleeve, a stirring shaft, and a cylindrical gear, the connecting sleeve is sleeved on the outside of the connecting shaft, a bracket is connected to the connecting sleeve, the connecting sleeve is connected to the lifting sleeve through a sealing bearing, the stirring shaft is rotatably connected to the bracket, and a driven gear is connected to the top of the stirring shaft, and the cylindrical gear is meshed with the driven gear. The utility model can fully turn over the garbage during fermentation, so that the garbage ferments evenly, accelerates the fermentation speed, and can also perform solid-liquid separation on the fermentation product.
[0004] However, the above device still has the following defects during actual use: 1) It is simply filtered through the separation filter, resulting in insufficient filtration of solid waste and some liquid is carried with it when the material is discharged; 2) The separation filter is prone to clogging after long-term use, resulting in poor filtration effect. Utility Model Content
[0005] In order to solve the above technical problems, the utility model specifically adopts the following technical solutions.
[0006] A domestic waste fermentation device is designed, comprising a box body, wherein a lifting mechanism, a stirring mechanism, and a filter plate are sequentially arranged in the box body from top to bottom, and a feed port is respectively opened at the upper end of the stirring mechanism on the two side walls of the box body, the lifting mechanism is two lifting cylinders, the cylinder bodies of which are fixed on the two sides of the top of the box body, and the telescopic ends movably pass through the box body and are connected to the lifting plate, the stirring mechanism comprises a stirring shaft rotatably arranged at the middle position of the lifting plate, a plurality of stirring rods arranged on the stirring shaft, a plurality of stirring rods arranged on the stirring rod, and a stirring motor arranged on the top of the lifting plate, and the output shaft of the stirring motor is coaxially arranged with the stirring shaft;
[0007] An outer box is connected to the lower end of the stirring mechanism on one side wall of the box body, an electric push rod is arranged in the outer box, an extrusion push plate is connected to the telescopic end of the electric push rod, a solid discharge port is opened on the other side wall of the box body, a sealing assembly is arranged at the discharge port, a liquid outlet is opened at the lower end of one side of the box body, and a valve is arranged at the liquid outlet.
[0008] Preferably, the sealing assembly comprises a sealing plug plugged in the solid discharge port and a sealing plate fixedly connected to the sealing plug, and the sealing plate is fixed to the side wall of the box body by bolts.
[0009] Preferably, a handle is provided on the outer side of the blocking plate.
[0010] Preferably, a material guide plate inclined toward the liquid outlet is provided at the bottom of the box body.
[0011] Preferably, a backwash mechanism is provided below the filter plate, the backwash mechanism comprising a backwash pipe rotatably provided below the filter plate, a plurality of evenly distributed nozzles provided on the top of the backwash pipe, and a water inlet pipe provided at the bottom center of the backwash pipe.
[0012] Preferably, the recoil pipe is rotatably arranged at the center of the filter plate via a rotating shaft, a driven gear is arranged on the rotating shaft, a sealing shell is arranged at the bottom of the filter plate, a rotating motor is arranged in the sealing shell, and a driving gear meshing with the driven gear is connected to the output shaft of the rotating motor.
[0013] Preferably, a water tank is provided on one side outer wall of the box body at the bottom of the outer box, and a water pump is provided in the water tank. The water outlet of the water pump is connected to the water inlet pipe through a connecting pipe, and the connecting pipe and the water inlet pipe are connected through a rotating joint.
[0014] The beneficial effects of the utility model are:
[0015] The utility model provides a stirring mechanism to fully stir the garbage and waste residue in the box body, accelerates fermentation, and shortens the fermentation cycle. The stirring mechanism can be raised by a lifting cylinder to provide a pushing space for the extrusion push plate. The extrusion push plate can squeeze out excess water in the waste residue under the drive of the electric push rod to prevent the waste liquid from being discharged with the solid waste residue. After the extrusion is completed, it is discharged from the solid discharge port. The waste liquid enters the bottom of the box body after being filtered by the filter plate, and then is discharged from the liquid outlet, so as to achieve the effect of sufficient solid-liquid separation. After the filter plate is used for a long time, in order to avoid the clogging of the filter plate, the rotating motor is used to drive the main gear to mesh with the driven gear to rotate so that the rotating shaft drives the recoil pipe to rotate, and then the nozzle on it backwashes the filter plate, so as to avoid the clogging of the filter plate after long-term use. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 yes Figure 1 A is an enlarged structural diagram;
[0018] The numbers in the figure are: 1 box body, 2 feed inlet, 3 lifting plate, 4 lifting cylinder, 5 stirring motor, 6 stirring shaft, 7 stirring rod, 8 stirring rod, 9 solid discharge port, 10 extrusion push plate, 11 outer box, 12 electric push rod, 13 water tank, 14 guide plate, 15 liquid outlet, 16 handle, 17 sealing plate, 18 sealing plug, 19 nozzle, 20 recoil pipe, 21 rotating shaft, 22 rotating motor, 23 sealing shell, 24 driving gear, 25 driven gear, 26 water inlet pipe. DETAILED DESCRIPTION
[0019] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.
[0020] Example 1
[0021] A domestic waste fermentation device, such as Figure 1 to Figure 2 As shown, it includes a box body 1, in which a lifting mechanism, a stirring mechanism, and a filter plate are arranged from top to bottom in sequence. A feed port 2 is opened at the upper end of the stirring mechanism on the two side walls of the box body 1. The lifting mechanism is two lifting cylinders 4, whose cylinder bodies are fixed on both sides of the top of the box body 1, and the telescopic ends are movable through the box body 1 and connected to the lifting plate 3. The stirring mechanism includes a stirring shaft 6 rotating at the middle position of the lifting plate 3, a plurality of stirring rods 7 arranged on the stirring shaft 6, and a plurality of stirring rods 8 arranged on the stirring rod 7, and a stirring motor 5 arranged on the top of the lifting plate 3. The output shaft of the stirring motor 5 is coaxially arranged with the stirring shaft 6; the box body 1 above the stirring motor 5 is convex upward to provide a lifting space for the stirring motor 5, and the stirring rods 7 and the stirring rods 8 rotate under the drive of the stirring shaft 6 to stir and ferment the garbage in the box body 1. The stirring mechanism can be lifted and lowered by the lifting cylinder 4 to meet the pushing requirements of the electric push rod 12 after the stirring and fermentation is completed.
[0022] An outer box 11 is connected to the lower end of the stirring mechanism on one side wall of the box body 1, an electric push rod 12 is arranged inside the outer box 11, and an extrusion push plate 10 is connected to the telescopic end of the electric push rod 12. A solid discharge port 9 is provided on the other side wall of the box body 1, and a sealing component is provided at the discharge port. A liquid outlet 15 is provided at the lower end of one side of the box body 1, and a valve is provided at the liquid outlet 15. The electric push rod 12 drives the extrusion push plate 10 to push and squeeze the fixed garbage on the filter plate to the solid discharge port 9, squeeze out the excess garbage in the solid garbage, and then open the fixed discharge port to discharge the material.
[0023] The sealing assembly includes a sealing plug 18 plugged in the solid discharge port 9 and a sealing plate 17 fixedly connected to the sealing plug 18 . The sealing plate 17 is fixed to the side wall of the box body 1 by bolts.
[0024] In order to facilitate opening of the blocking plate 17 , a handle 16 is provided on the outer side of the blocking plate 17 .
[0025] A material guide plate 14 is provided at the bottom of the box body 1 and is inclined toward the liquid outlet 15 to facilitate the discharge of waste liquid.
[0026] A backwash mechanism is provided below the filter plate, and the backwash mechanism includes a backwash pipe 20 rotatably provided below the filter plate, a plurality of evenly distributed nozzles 19 provided on the top of the backwash pipe 20 , and a water inlet pipe 26 provided at the bottom center of the backwash pipe 20 .
[0027] The backwash pipe 20 is arranged at the center of the filter plate by rotating the rotating shaft 21, a driven gear 25 is arranged on the rotating shaft 21, a sealing shell 23 is arranged at the bottom of the filter plate, a rotating motor 22 is arranged in the sealing shell 23, and a driving gear 24 meshing with the driven gear 25 is connected to the output shaft of the rotating motor 22. A water tank 13 is arranged at the bottom of the outer box 11 on one side of the outer wall of the box body 1, and a water pump is arranged in the water tank 13. The water outlet of the water pump is connected to the water inlet pipe 26 through a connecting pipe, and the connecting pipe and the water inlet pipe 26 are connected through a rotating joint. The backwash pipe 20 is driven by the rotating motor 22 to drive the nozzle 19 thereon to rotate and backwash the filter plate, so that the filter plate can be fully washed.
[0028] When the utility model is working, first, the crushed garbage is poured into the box body 1 through the feed port 2, and then the stirring motor 5 is started to rotate the stirring shaft 6, and the stirring rod 7 and the stirring rod 8 are driven to rotate, so that the garbage is fully turned over during fermentation, so that the garbage fermentation is uniform, the fermentation speed is accelerated, and the fermentation cycle is shortened. After the fermentation is completed, the fixed waste residue is left on the filter plate, and the waste liquid is filtered through the filter plate and gathered at the bottom of the box body 1. The valve is opened to discharge it from the liquid outlet 15; when the solid material is discharged, the lifting plate 3 is lifted upward together with the stirring mechanism through the lifting cylinder 4, and the electric push rod 12 is started to drive the extruder 12 to rotate. The push plate 10 pushes the solid waste on the upper end of the filter plate to the solid discharge port 9, and squeezes out the excess waste liquid in the solid waste residue, then opens the sealing plate 17, pulls out the sealing plug 18 from the solid discharge port 9, and allows the solid waste to be discharged and collected from the solid discharge port 9. The lifting distance is greater than the height of the push plate 10, providing sufficient pushing space for the push plate 10; when the filter plate needs to be cleaned after a period of use, start the water pump and the rotating motor 22, so that the main gear engages with the slave gear to rotate, and then the rotating shaft 21 drives the recoil pipe 20 to rotate, so that the nozzle 19 backwashes the filter plate to avoid clogging.
[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A domestic waste fermentation device, characterized in that: It comprises a box body, in which a lifting mechanism, a stirring mechanism and a filter plate are arranged in sequence from top to bottom, and feed ports are respectively opened on the upper ends of the stirring mechanism on the two side walls of the box body, the lifting mechanism is two lifting cylinders, the cylinder bodies of which are fixed on the top two sides of the box body, and the telescopic ends movably pass through the box body and are connected to the lifting plate, the stirring mechanism comprises a stirring shaft rotatably arranged at the middle position of the lifting plate, a plurality of stirring rods arranged on the stirring shaft, a plurality of stirring rods arranged on the stirring rod, and a stirring motor arranged on the top of the lifting plate, and the output shaft of the stirring motor is coaxially arranged with the stirring shaft; An outer box is connected to the lower end of the stirring mechanism on one side wall of the box body, an electric push rod is arranged in the outer box, an extrusion push plate is connected to the telescopic end of the electric push rod, a solid discharge port is opened on the other side wall of the box body, a sealing assembly is arranged at the discharge port, a liquid outlet is opened at the lower end of one side of the box body, and a valve is arranged at the liquid outlet.
2. The domestic waste fermentation device according to claim 1, characterized in that: The sealing assembly comprises a sealing plug plugged in the solid material discharge port and a sealing plate fixedly connected to the sealing plug, wherein the sealing plate is fixed to the side wall of the box body by bolts.
3. The domestic waste fermentation device as claimed in claim 2, characterized in that: A handle is provided on the outer side of the blocking plate.
4. The domestic waste fermentation device as claimed in claim 1, characterized in that: A material guide plate inclined toward the liquid outlet is arranged at the bottom of the box body.
5. The domestic waste fermentation device as claimed in claim 1, characterized in that: A backwash mechanism is provided below the filter plate, and the backwash mechanism comprises a backwash pipe rotatably provided below the filter plate, a plurality of evenly distributed nozzles provided on the top of the backwash pipe, and a water inlet pipe is provided at the bottom center of the backwash pipe.
6. The domestic waste fermentation device as claimed in claim 5, characterized in that: The recoil pipe is rotatably arranged at the center of the filter plate through a rotating shaft, a driven gear is arranged on the rotating shaft, a sealing shell is arranged at the bottom of the filter plate, a rotating motor is arranged in the sealing shell, and a driving gear meshing with the driven gear is connected to the output shaft of the rotating motor.
7. The domestic waste fermentation device as claimed in claim 5, characterized in that: A water tank is provided on the outer wall of one side of the box body at the bottom of the outer box, and a water pump is provided in the water tank. The water outlet of the water pump is connected to the water inlet pipe through a connecting pipe, and the connecting pipe and the water inlet pipe are connected through a rotating joint.