JPH0350986Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a disposer that can crush and pack food waste from kitchen work such as cooking and washing.

[Conventional technology]

BACKGROUND ART Disposal of garbage generated during cooking and cleaning up in the kitchen has become an extremely important issue from a sanitary standpoint, especially since it generates unpleasant odors. As a method for disposing of this raw garbage, a disposer has traditionally been used that finely crushes it and discharges it into a drain pipe.

However, since water containing food waste is discharged into the drain pipe, the degree of pollution in the wastewater increases, and suspended solids in the wastewater, BDD (biochemical oxygen demand) and
CDD (chemical oxygen demand) inevitably increases.
For this reason, types that are discharged together with water cannot be used in areas without complete sewage systems.

Against this background, instead of the structure in which garbage is discharged together with wastewater, a structure in which a certain amount of crushed raw garbage is packed into a polyethylene bag has become popular. An example of a disposer that performs this bagging is disclosed in Japanese Utility Model Application Publication No. 195355/1983.

This disposer has a structure in which garbage is put into a crusher that rotates at high speed, the crushed garbage is sent together with water to a squeezer, and the crushed waste is then packed into bags.

[Problem that the invention attempts to solve]

Instead of a structure in which food waste is discharged together with water by squeezing, a centrifugal separation system that separates crushed food waste from water and takes it out is often used. This uses the principle of a centrifuge that has been widely used in the past, and has a structure in which a large number of slits and small holes are provided on the wall of a mortar-shaped container to rotate the container at high speed. When the container rotates at high speed, water is discharged to the outside through the slits or small holes, and the crushed solids of garbage are moved upward by centrifugal force due to the slope of the inner wall of the container.
The food waste that has moved to the upper end of the container is cut out by centrifugal force and transferred to the bagging process via a predetermined conduit.

Here, as the rotational speed of the container is increased, the centrifugal force becomes stronger, so water is sufficiently separated and efficient dehydration becomes possible. However, in proportion to the promotion of water separation, the rate at which solids in the garbage rise up the inner wall of the container also increases. Therefore,
Because the time it takes for the food waste itself to be released from the container is shortened, the food waste ends up being packed into bags while still containing moisture.

In this way, when trying to speed up the rotation of the centrifugal separation container to speed up dehydration, the problem arises that the time until the garbage is discharged becomes shorter and the moisture content of the processed material to be packed into bags increases. be.

Therefore, the object of the present invention is to allow food waste to remain in a centrifugal separator for as long as possible so that the food waste can be completely dehydrated and packed into bags.

[Means for solving problems]

In order to achieve the above object, the present invention includes a crushing mechanism for crushing food waste, and food waste crushed by the crushing mechanism is supplied into a main body with an open upper end, and the food waste is turned into solids. A mortar-shaped dehydration rotor that separates water from water by centrifugation is provided, and an axial flow blade row having a torsional angle inclined with respect to the axis of the dehydration rotor is arranged on the inner wall of the upper side of the dehydration rotor. It is characterized by

〔Example〕

Hereinafter, the features of the present invention will be specifically explained with reference to embodiments shown in the drawings.

FIG. 1 is a longitudinal cross-sectional view of a disposer of the present invention attached to the lower part of a sink, and FIG. 2 is a side view of the disposer of the present invention as viewed in the direction of the - line arrow in FIG.

The disposer is placed on the bottom plate A of the cabinet, and has a holding structure in which its upper end is connected to the drain port C of the sink B, and is almost entirely housed in the casing 1. A level adjustment plate 2 is arranged on the lower surface of the casing 1, and these plates are connected by screwing nuts 3a and bolts 3b provided respectively. When the nut 3a is rotated, the casing 1 is raised and lowered relative to the level adjustment plate 2, and its level can be adjusted.

The casing 1 includes a full-height main chamber 1a and a subchamber 1 attached to the side of the main chamber 1a.
The main chamber 1a is equipped with a garbage crushing and dehydrating function section, while the sub chamber 1b is equipped with a packing function section for bagging the processed garbage and a sterilization/dehydration function section.
It is used as a container storage area for deodorizing.

Inside the main chamber 1a, there is a main body 4 of the disposer.
and a drive motor 5 are coaxially arranged so that their axes extend in the vertical direction. The main body 4 is configured as a combination of three vertically tiered members, and the top end portion is connected to the drain port C of the sink B.
A ring 6 having a large-diameter opening 6a in the center and a rubber cover 7 are provided at the connection portion with the drain port C. The cover 7 is provided with a plurality of radially extending slits (not shown) extending radially from the center, and opens depending on the weight of garbage when it is thrown in from above, and closes again as shown in the figure when it passes through. perform an action. Note that when the disposer is not in use, a lid (not shown) is placed over the cover 7.

On the inner periphery of the middle member of the main body 4, crushing teeth 8 for crushing garbage are formed.
A cross-shaped hub 9 whose center is coaxial with the output shaft 5a of the drive motor 5 is provided below. Furthermore, a dewatering rotor 10 that dehydrates water by centrifugal force is arranged inside the lowermost member of the main body 4, and a drain pipe 11 for draining water is connected to the side of the lower end, and a drive motor is provided on the lower surface. 5 are connected.

The output shaft 5a of the drive motor 5 passes through the bottom wall of the lowermost member of the main body 4, and is fixed to the boss 10a of the dewatering rotor 10 by a key 12. Further, a spindle 13 is fixed to the boss 10a using a key 12, and this spindle 13 extends upward through the hub 9 of the middle member of the main body 4. The boss 10a is supported by a bearing 14 on the lowermost member of the main body 4, and the spindle 13 is supported by a bearing 15 on the hub 9, that is, the middle member of the main body 4. Therefore, when the drive motor 5 is activated, the dewatering rotor 10 and the spindle 13 are both coaxially rotatable within the body 4 at the same rotational speed.

A circular rotating plate 16 that rotates along the tooth surface of the crushing tooth 8 is fixed to the upper end of the spindle 13. As shown in FIG. 3 (cross-sectional view taken along the - line in FIG. 1), this rotating plate 1
6, there are two crusher teeth 17 on the top surface of pin 1.
8, it is pivotably mounted around the pin 18. The crusher tooth 17 has a thin wall at the portion that is pivotally connected to the pin 18, and a thick wall at the tip side to increase mass. Therefore, when the rotating plate 16 rotates at high speed, the crusher teeth 1
The momentum in the rotational direction given to 7 becomes a large value, making it effective in crushing garbage.

Details of the dewatering rotor 10 are shown in FIG. This dewatering rotor 10 is formed in a mortar shape to enable centrifugal dehydration and solid water separation by high-speed rotation, and has a plurality of drainage ports 19 circumferentially provided on a flat surface at the lower end. In addition, the diagonal wall forming the mortar has a large number of dewatering slits 20 extending in the circumferential direction.
In addition, a plurality of waste ports 21 with large opening areas are provided in the circumferential direction on the upper peripheral wall.

Further, a plurality of blades 22 are installed on the inner wall of the dewatering rotor 10 at a lower portion near the waste port 21.
These blades 22 have a planar blade row arrangement in which the blade tips 22a intersect with the rotation locus circle of the dehydration rotor 10, as shown in FIG. In addition, by arranging the blades 22 in such a manner that the edges of the adjacent blades 22 on the side in the rotational direction overlap each other and have a torsion angle with respect to the vertical axis, as shown in FIG. When the dehydration rotor 10 rotates clockwise in FIG.
Air is supplied inside. On the other hand, when rotating counterclockwise, the twist angle of the blades 22 is negative with respect to the rotation direction, so that air is exhausted from the inside of the dehydration rotor 10 upward. In this way, air is supplied or exhausted into the dehydration rotor 10 depending on the rotation direction of the dehydration rotor 10, and in the former case, the pressure inside the dehydration rotor 10 increases, and in the latter case, the pressure decreases. descend.

Furthermore, in FIG. 1, a guide 23 is interposed between the middle and lowest members of the main body 4 to cause the crushed material to fall to the lower center of the dewatering rotor 10. This guide 23 has a mortar shape with a smooth sloped surface, and has a bell-shaped lower end with a reduced diameter portion in order to allow the guide to fall to the center.

A discharge port 24 for discharging the processed material toward the subchamber 1b is provided in the lowermost member of the main body 4 so as to correspond to the height level of the waste port 21 of the dehydration rotor 10, and a downwardly bent bend 25 is connected thereto. FIG. 5 shows a bottom view of the bend 25. this bend 2
5 is formed wide, and its internal cross-sectional shape is approximately oval. The discharge port 24 of the main body 4 to which the bend 25 is connected also has an opening shape that is long in the circumferential direction of the main body 4.

Further, a stocker 26 containing a vinyl V serving as a bag for receiving the discharged processing material is detachably connected to the lower end of the bend 25. FIG. 6 shows a plan view of this stocker 26 portion. Stotsuka 2
Reference numeral 6 denotes a cylindrical body with a rectangular opening cross section and open upper and lower ends, into which a sleeve 27 having an oval cross section is inserted. This sleeve 2
7 is integrated into the stocker 26 and is stocked with vinyl V layered around it in a wavy manner. The stocker 26 can be put in and taken out from the attachment/detachment port 1c formed in a part of the casing 1, and after the vinyl V is consumed, it is removed from the casing 1, refilled, and set in the predetermined position again. use.

Furthermore, a welding/fusing device 28 for bagging the processed material in vinyl V is arranged in the subchamber 1b. This welding/fusion cutting device 28 is powered by a motor 29
It has a structure that converts the forward and reverse rotation of the output shaft into reciprocating linear motion by a screw gear mechanism, etc., and is equipped with a thermal head 30 whose tip is heated so that it can move forward and backward in the vinyl V direction. Further, a guide 31 for guiding the vinyl V that hangs down from the stocker 26 is arranged, and a receiving seat 32 is provided to receive the thermal head 30 when it advances.

In the above-mentioned welding/cutting device 28, when the vinyl V hangs down from the stocker 26 and the material to be processed has entered the interior as shown in FIG. 1, the thermal head 30 is advanced by the operation of the motor 29. When this thermal head 30 advances, the vinyl V is cut by the heat and at the same time, the upper end is welded so as to enclose the object to be treated. Further, by this melt cutting, the bottom part of the bag is welded to form the next bag, and the processed material can be continuously supplied.

Furthermore, a container 33 containing a deodorizing and sterilizing liquid is provided in the subchamber 1b in order to alleviate abnormal odors generated during the processing time, and these liquids are pumped into the main body 4 in synchronization with the operation of the disposer. supply to. The container 33 can be of a commonly used type, for example, an aero nozzle type container, and is provided with a slider 34 for opening and closing the flow path at the upper end. A hose 35 is connected to this slider 34 portion, and this hose 35 is connected to a nozzle 36 that sprays a deodorizing and sterilizing liquid from the upper side of the main body 4. Further, a pusher 37 is provided on the thermal head 30 which moves reciprocally by the operation of the motor 29, and the pusher 37 moves the slider 3
4 to open the flow path from the container 33. By opening the flow path, the deodorizing and sterilizing liquid inside the container 33 is ejected from the nozzle 36 in a spray state, thereby making it possible to remove foreign odors and sterilize the inside of the main body 4. In order to replace the container 33, the casing 1 on the side of the subchamber 1b is designed to be partially openable and closable. Further, as the disinfecting liquid, for example, a cationic disinfectant can be used, and as the deodorizing liquid, a flavonoid stock solution or the like can be used. Therefore, a mixture of these may be placed in the container 33, and it is also possible to use bacteria or yeast.

Further, the drive motor 5 and the motor 29 of the welding/fusing device 28 are operated by an operation panel (not shown) provided on the front surface of the cabinet or the like. and,
It is equipped with a control circuit that can perform operations such as crushing, dehydration, and stuffing of the processed material into vinyl V in a temporally sequential manner.

With the arrangement of the above-mentioned members and their respective functions, garbage is disposed of in the following manner.

First, garbage is thrown into the main body 4 from above the cover 7, and then the power to the operation panel is turned on, the drive motor 5 is activated and its output shaft 5a is rotated. The rotational direction of the output shaft 5a is clockwise in FIG. 4a during the initial stage.

The rotation of the output shaft 5a is transmitted to the spindle 13, and both the dewatering rotor 10 and the rotating plate 16 rotate at high speed. Due to the rotation of the rotary plate 16, the garbage put into the main body 4 is crushed by the crushing teeth 8 and the crusher teeth 17 rotating at high speed. Then, due to the high-speed rotation of the rotary plate 16, the crushed garbage is transferred to the crushing teeth 8 by centrifugal force.
direction, and falls through the gap between the rotating plate 16 and the crushing teeth 8. The fallen processing material is guided by the guide 23 and slides toward the center, falls to the center of the bottom of the dehydration rotor 10, and enters the dehydration process due to centrifugal force.

The material to be treated in the dewatering rotor 10 is subjected to centrifugal force due to high speed rotation, and moves upward along the diagonal wall surface, thereby performing water separation. That is, due to centrifugal force, water is discharged from the dewatering slit 20, leaving only the solid portion of the treated material inside. The discharged water is then sent from the drain pipe 11 to a general drainage pipe and disposed of.

In the dehydration process by the dehydration rotor 10, the rotation direction is clockwise in FIG. 4(a), and the twist angle of the blades 22 is positive in the rotation direction. For this reason, these blades 22 act as baffles against the processing material rising up the inclined wall surface. Further, since the dewatering rotor 10 rotates at a fairly high speed, as described above, the blades 22 supply air into the dehydrating rotor 10 like an axial flow fan, and the internal pressure increases slightly. Therefore, the treated material stays in the lower part of the blade 22, and dewatering due to centrifugal force is further promoted.

Next, after a certain period of time has elapsed, the rotation direction of the output shaft 5a of the drive motor 5 is reversed. Of course,
Such control shall be performed automatically. Due to the reverse rotation of the output shaft 5a, the torsion angle of the blades 22 becomes negative with respect to the rotational direction, and the blades 22 are in a state where the processing material staying under the blades is cut into pieces. As a result, the treated material is cut out from the waste port 21 using the blades 22 as a guide, and is sent into the bend 25 from the discharge port 24. Note that, as described above, the high-speed rotation of the blades 22 promotes air flow from the dehydration rotor 10 to the outside and reduces the internal pressure, so that the processing material is smoothly discharged.

When the above-described crushing and dewatering processes are completed and all of the treated material is discharged into the vinyl V, the drive motor 5 stops operating at the same time. Then, to make the vinyl V into a bag, the motor 29 is activated to weld and
The fusing device 28 is activated. In this process, the thermal head 30 moves in the direction of the vinyl V by the operation of the motor 29, and at the same time it welds and cuts the vinyl.
The treatment material can be enclosed within this vinyl V and disposed of.
Further, the slider 34 is moved by the pusher 37, and the deodorizing and sterilizing liquid in the container 33 is supplied from the hose 35 to the nozzle 36. These liquids are injected into the main body 4 from the nozzle 36, preventing the generation of odor and microorganisms at the end of each treatment, and ensuring sanitary use at all times.

The dewatering rotor 10 may have a structure in which a plurality of dewatering slits 20 are provided in the circumferential direction, or may be formed into a mortar shape made of, for example, punched metal with a large number of holes.

[Effect of idea]

As explained above, in the disposer of the present invention, a shaft having a torsion angle with respect to the axis of the dehydration rotor is provided on the inner periphery of the upper end of the dehydration rotor that centrifugally separates food waste containing water that is crushed and supplied. It has a row of flowing blades. This row of blades acts as a baffle plate when the food waste being dewatered is discharged from the upper end of the dewatering rotor by centrifugal force, and causes the food waste to remain in the dewatering rotor. Therefore, even if the rotation speed of the dewatering rotor is increased, the food waste will not be released in a short period of time, and water can be completely removed before the bagging process.
Furthermore, the rotational speed of the dewatering rotor can be significantly increased, and the dewatering time can also be shortened.

[Brief explanation of the drawing]

FIG. 1 is a sectional view showing the disposer of the present invention,
Fig. 2 is an internal side view taken in the direction of the - line in Fig. 1, and Fig. 3 is a sectional view taken in the - line in Fig. 1;
FIG. 4 shows the dewatering rotor, FIG. 5 is a bottom view of the bend portion, and FIG. 6 is a plan view of the vinyl stocker. DESCRIPTION OF SYMBOLS 1... Casing, 4... Main body, 5... Drive motor, 8... Crushing tooth, 10... Dewatering rotor, 11
... Drain pipe, 13 ... Spindle, 16 ... Rotating plate, 17 ... Crusher teeth, 19 ... Drain port, 20 ... Dewatering slit, 21 ... Waste port,
22... Wing, 24... Outlet, 25... Bend,
26...Stocka, 27...Sleeve, 28...
Welding/fusion cutting device, 29...Motor, 30...Thermal head, 33...Container, 36...Nozzle, A
...Bottom plate, B...Sink, C...Drain port.

Claims (1)

[Scope of utility model registration request] Inside the main body with an open upper end, there is provided a grinding mechanism for grinding food waste, and a mortar-shaped mortar-like structure for feeding the food waste crushed by the grinding mechanism and separating the food waste into solids and water by centrifugation. Equipped with a dehydration rotor,
A disposer characterized in that an axial flow blade row having a torsion angle inclined with respect to the axis of the dehydration rotor is arranged on an inner wall on the upper side of the dehydration rotor.