CN111844855A - Kitchen garbage dehydration mechanism - Google Patents

Abstract

The invention provides a dehydration mechanism for kitchen waste, comprising an outer cylinder, a draining cylinder, a screw conveying extrusion assembly, an upper bearing and a lower bearing, a dehydration chamber is arranged in the outer cylinder, the draining cylinder is arranged in the dehydrating chamber, and the screw conveying extrusion assembly is provided. It passes through the draining cylinder, and the two ends of the screw conveying extrusion assembly are movably connected to the upper and lower ends of the outer cylinder through the upper bearing and the lower bearing respectively. The lower end of the outer cylinder is also provided with a water outlet; this kind of kitchen waste dewatering mechanism can efficiently and quickly filter out most of the water in the pulverized kitchen waste containing more moisture, so that after dehydration, it is convenient for garbage collection, Transportation and subsequent harmless disposal. The kitchen waste dewatering mechanism has reasonable structural design, can realize continuous, fast and stable dewatering work, high dewatering efficiency, relatively clear water, low power consumption and low cost, and effectively achieves a substantial reduction in kitchen waste. .

Description

Kitchen waste dehydration mechanism

technical field

The invention relates to a kitchen waste dewatering mechanism.

Background technique

Kitchen waste contains more carbohydrates, proteins, fats and other nutrients and a lot of water, which is easy to spoil and stink. Moreover, kitchen waste containing more moisture requires more temporary storage containers, storage space, transportation vehicles and manpower, and requires more follow-up processing costs. The operation is labor-intensive and the working environment is dirty and messy. Corruption and dripping during transportation can also cause secondary pollution.

At present, many kitchen waste treatment equipment on the market simply smashes the kitchen waste into smaller particles. Some kitchen waste treatment equipment with dehydration function has poor dehydration efficiency and the filter screen is easy to block. For example, a garbage crusher and dehydrator disclosed in Chinese patent application 201810275066.X has a simple dehydration function and relies on the principle of piston extrusion for dehydration. The dehydrated water is very turbid, and it is easy to block the water outlet. Poor stability, discontinuous extrusion work, and low efficiency.

The above problems are problems that should be considered and solved during the design and processing of the kitchen waste dehydration mechanism.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a kitchen waste dehydration mechanism to solve the problem in the prior art of how to achieve efficient dehydration under the premise of lower power consumption and cost.

The technical solution of the present invention is:

A kitchen waste dehydration mechanism, comprising an outer cylinder, a draining cylinder, a screw conveying extrusion assembly, an upper bearing and a lower bearing, a dehydration chamber is arranged in the outer cylinder, the draining cylinder is arranged in the dehydrating chamber, and the screw conveying extrusion assembly passes through the draining chamber. The water cylinder, and the two ends of the screw conveying extrusion assembly are respectively movably connected to the upper and lower ends of the outer cylinder through the upper bearing and the lower bearing, the lower end of the outer cylinder is provided with a feeding interface, the upper end of the outer There is also a drain at the lower end.

Further, the screw conveying extrusion assembly includes a propeller and a central rotating shaft, and the bolt propeller is arranged on the central rotating shaft.

Further, the central rotating shaft includes a lower part of the same diameter and an upper part of the variable diameter, the end of the lower part of the same diameter is connected to the upper part of the variable diameter, the shaft diameter of the lower part of the same diameter is the same, and the shaft diameter of the upper part of the variable diameter is from the lower end of the same diameter to the far lower part of the same diameter. end gradually increased.

Further, the length of the upper part of the variable diameter is 50%-60% of the length of the central rotating shaft.

Further, the diameter-reducing upper part adopts a conical shape, and the diameter-reducing upper part adopts the diameter-reducing upper part with a taper angle of 5°-7°.

Further, the pitch of the propeller at the upper part of the variable diameter gradually decreases from the lower end of the same diameter to the lower end of the same diameter.

Further, the upper end of the central rotating shaft is provided with a dispersing block, and the dispersing block is arranged at the discharge interface.

Further, a trash can for collection is provided below the material discharge interface.

Further, the screw conveying extrusion assembly is driven by a motor and a reducer, and the feeding interface and the discharging interface are respectively provided on the side of the outer cylinder.

Further, the draining cylinder is provided with a plurality of slits for draining water, and the slits for draining water are arranged perpendicular to the axis of the draining cylinder.

The beneficial effects of the present invention are: the kitchen waste dewatering mechanism can efficiently and quickly filter out most of the water content of the pulverized kitchen waste containing more moisture, so that after dehydration, it is convenient for garbage collection, transportation and follow-up Harmless treatment. The kitchen waste dewatering mechanism has a reasonable structure design, can realize continuous, rapid and stable dewatering work, has high dewatering efficiency, low power consumption and low cost, and effectively achieves a substantial reduction in kitchen waste.

Description of drawings

1 is a schematic structural diagram of a kitchen waste dehydration mechanism according to an embodiment of the present invention;

Fig. 2 is the structural representation of the screw conveying extrusion assembly in the embodiment;

Fig. 3 is the structural representation of center rotating shaft and propeller in the embodiment;

4 is a schematic structural diagram of a trash can provided by the kitchen waste dehydration mechanism of the embodiment;

Among them: 1-outer cylinder, 2-draining cylinder, 3-screw conveying extrusion assembly, 4-discharge interface, 5-feed interface, 6-upper bearing, 7-lower bearing, 8-garbage bin;

31- center shaft, 32- propeller, 33- dispersion block;

311- the lower part of the same diameter, 312- the upper part of the variable diameter.

Detailed ways

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Example

A kitchen waste dehydration mechanism, as shown in Figure 1, includes an outer cylinder 1, a draining cylinder 2, a screw conveying extrusion assembly 3, an upper bearing 6 and a lower bearing 7, the outer cylinder 1 is provided with a dehydration chamber, and the draining cylinder 2 is located in the In the dehydration chamber, the screw conveying extrusion assembly 3 passes through the draining cylinder 2, and the two ends of the screw conveying extrusion assembly 3 are movably connected to the upper and lower ends of the outer cylinder 1 through the upper bearing 6 and the lower bearing 7 respectively. There is a feeding interface 5, the upper end of the outer cylinder 1 is provided with a discharging interface 4, and the lower end of the outer cylinder 1 is also provided with a water outlet.

The kitchen waste dewatering mechanism can efficiently and quickly filter out most of the water in the pulverized kitchen waste containing more moisture, so that after dehydration, it is convenient for garbage collection, transportation and subsequent harmless treatment. The kitchen waste dewatering mechanism has reasonable structural design, can realize continuous, fast and stable dewatering work, high dewatering efficiency, relatively clear water, low power consumption and low cost, and effectively achieves a substantial reduction in kitchen waste. .

In this kind of kitchen waste dewatering mechanism, the screw conveying extrusion assembly 3 includes a propeller 32 and a central rotating shaft 31 , and the bolting propeller is arranged on the central rotating shaft 31 . By arranging the screw conveying extrusion assembly 3 , while realizing the extrusion and dehydration of the kitchen waste in the draining drum 2 , the conveying from the feeding interface 5 to the discharging interface 4 is realized. The screw conveying extrusion assembly 3 can be installed vertically or obliquely to further ensure the dehydration effect.

In the screw conveying extrusion assembly 3, as shown in FIG. 2, the central rotating shaft 31 includes a lower part 311 of the same diameter and an upper part 312 of a variable diameter, the end of the lower part 311 of the same diameter is connected to the upper part 312 of the variable diameter, and the lower part 311 of the same diameter has the same shaft diameter, and the diameter of the variable diameter is the same. The shaft diameter of the upper part 312 gradually increases from the end of the lower part 311 near the same diameter to the end of the lower part 311 of the same diameter. By arranging the variable diameter upper part 312, and the axial diameter of the variable diameter upper part 312 is gradually increased, that is, the space between the screw conveying extrusion assembly 3 and the draining cylinder 2 is gradually reduced upward, so that the pressure can be continuously, smoothly and gradually increased. Squeeze kitchen waste for efficient dehydration.

In one embodiment, the length of the variable diameter upper part 312 is 50%-60% of the length of the central rotating shaft 31, which can improve the dehydration effect, ensure high-efficiency dehydration, and reduce the load of subsequent processing equipment and the cost of post-processing. The variable diameter upper part 312 adopts a cone shape, and the variable diameter upper part 312 adopts the variable diameter upper part 312 with a taper angle of 5°-7°.

This kind of kitchen waste dehydration mechanism, as shown in Figure 3, the pitch of the propeller at the upper part 312 of the variable diameter gradually decreases from the end of the lower part 311 of the same diameter to the end of the lower part 311 of the same diameter, which can compress the waste volume smaller, and can squeeze The water output is more, and the dehydration rate is further improved, from 85% to 89%.

A kitchen waste pulverizer can be connected to the front end of the feeding interface 5. Under the action of gravity, the pulverized kitchen waste with more moisture enters the screw conveying extrusion assembly 3 and the draining cylinder from the feeding interface 5. space between 2. The motor and the reducer drive the screw conveying extrusion assembly 3 to rotate continuously, and the kitchen waste is gradually pushed and squeezed up. Due to the blocking back pressure of the discharge interface 4, and the axial radial direction of the central rotating shaft 31 of the screw conveying extrusion assembly 3 gradually increases, that is, the space between the screw conveying extrusion assembly 3 and the draining cylinder 2 gradually decreases upward. Kitchen waste is gradually compacted and drained of water.

In this kind of kitchen waste dehydration mechanism, as shown in FIG. 4 , a trash can 8 for collection is provided below the discharge interface 4 , and the collection of the dehydrated kitchen waste is facilitated by arranging the trash can 8 . The screw conveying extrusion assembly 3 is preferably driven by a motor and a reducer. The feeding interface 5 and the discharging interface 4 are preferably arranged on the side of the outer cylinder 1 respectively, so as to facilitate installation, feeding or discharging.

In this kind of kitchen waste dewatering mechanism, the upper end of the central rotating shaft 31 is provided with a dispersing block 33 , and the dispersing block 33 is arranged at the discharge interface 4 . The upper end of the central rotating shaft 31 is welded with dispersing blocks 33 for dispersing garbage, preferably distributed on the left and right, and the dispersing blocks 33 are staggered up and down. The problem of blocking the discharge interface 4 due to the fact that the kitchen waste is hardened and accumulated at the discharge interface 4 is convenient to be collected into the trash can 8, and the cleaning of the trash can 8 is also more convenient.

In this kitchen waste dewatering mechanism, an upper bearing 6 is installed on the upper end of the screw conveying extrusion assembly 3, and a lower bearing 7 is installed at the lower end, preferably the lower end is connected to the motor and the reducer. On the outer circumference of the screw conveying extrusion assembly 3, a draining cylinder 2 and an outer cylinder 1 of cylindrical structure are coaxially installed in sequence. The draining cylinder 2 is provided with a number of slits for draining water, and the slits for draining water are arranged perpendicular to the axis of the draining cylinder 2, so that effective dehydration can be achieved. The upper end of the outer cylinder 1 is provided with a discharge interface 4, and a trash can 8 is placed at the lower part of the discharge interface 4.

In this kind of kitchen waste dewatering mechanism, the screw conveying extrusion assembly 3 can be driven by the motor and the reducer, and the kitchen waste entering from the feeding interface 5 is in the space between the screw conveying extrusion assembly 3 and the draining cylinder 2, It is gradually pushed up and squeezed up, and the extruded excess water flows out from the gap of the pipe wall of the draining cylinder 2 to the space between the draining cylinder 2 and the outer cylinder 1, and finally is discharged from the drainage port at the lower part of the outer cylinder 1 to complete the dehydration process. The remaining garbage is discharged into the trash can 8 from the discharge interface 4 .

This kind of kitchen waste dehydration mechanism can realize continuous, fast and stable dehydration work by setting the screw conveying and extrusion assembly 3, and has high dehydration efficiency, and effectively realizes the substantial reduction of kitchen waste. The kitchen waste after reduction treatment is relatively less prone to deterioration and odor due to its low moisture content and compaction inside the waste, which not only improves the working environment, but also significantly reduces the cost of temporary storage, transportation and subsequent treatment of waste, which is convenient for landfill or fertilization. .

Claims (10)

1. a kitchen waste dewatering mechanism is characterized in that: comprise an outer cylinder, a draining cylinder, a screw conveying extrusion assembly, an upper bearing and a lower bearing, the outer cylinder is provided with a dehydration chamber, and the draining cylinder is arranged in the dehydrating chamber, and the screw conveys The extrusion assembly passes through the draining cylinder, and the two ends of the screw conveying extrusion assembly are movably connected to the upper and lower ends of the outer cylinder through the upper bearing and the lower bearing respectively. The lower end of the outer cylinder is provided with a feeding interface, and the upper end of the outer cylinder is provided with an outlet. The material interface is also provided at the lower end of the outer cylinder. 2 . The kitchen waste dewatering mechanism according to claim 1 , wherein the screw conveying extrusion assembly comprises a propeller and a central rotating shaft, and the bolt propeller is arranged on the central rotating shaft. 3 . 3. The kitchen waste dewatering mechanism according to claim 2, characterized in that: the central rotating shaft comprises a lower part of the same diameter and an upper part of a variable diameter, the end of the lower part of the same diameter is connected to the upper part of the variable diameter, the shaft diameter of the lower part of the same diameter is the same, and the diameter of the lower part of the same diameter is the same. The shaft diameter of the upper part of the diameter increases gradually from the lower end of the same diameter to the lower end of the same diameter. 4. The kitchen waste dewatering mechanism according to claim 3, wherein the length of the upper part of the variable diameter is 50%-60% of the length of the central rotating shaft. 5 . The kitchen waste dewatering mechanism according to claim 3 , wherein the diameter-reducing upper part adopts a cone shape, and the reducing-diameter upper part adopts a reducing-diameter upper part with a taper angle of 5°-7°. 6 . 6. The kitchen waste dewatering mechanism according to any one of claims 2-5, wherein the pitch of the propeller at the upper part of the variable diameter gradually decreases from the lower end of the same diameter to the lower end of the same diameter. 7. The kitchen waste dewatering mechanism according to any one of claims 2-5, wherein the upper end of the central rotating shaft is provided with a dispersing block, and the dispersing block is arranged at the discharge interface. 8. The kitchen waste dewatering mechanism according to any one of claims 1-5, wherein a trash can for collection is provided below the discharge interface. 9. The kitchen waste dewatering mechanism according to any one of claims 1-5, characterized in that: the screw conveying extrusion assembly is driven by a motor and a reducer, and the feeding interface and the discharging interface are respectively provided on the side of the outer cylinder department. 10. The kitchen waste dewatering mechanism according to any one of claims 1-5, wherein the draining cylinder is provided with a plurality of slits for draining water, and the slits for draining water are vertically arranged with the axis of the draining cylinder.

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