KR102550149B1 - Foodwaste Disposal Apparatus and Method - Google Patents

Abstract

The present invention is coupled to the bottom of the sink drain, crushing unit for pulverizing the food introduced through the drain and discharging the pulverized food; A storage unit having a solids discharge line for discharging precipitated solids at the lower end and an overflow water discharge line for discharging overflow water at the upper end while receiving and storing the pulverized food from the crushing unit; a bioreaction unit receiving overflow water through the overflow water discharge line, purifying it through a bioreaction, and discharging treated water; A casing in which a solids inlet through which solids are introduced from the storage unit, a cake outlet through which dehydrated solids are discharged to the outside, and a water discharge line for discharging moisture generated in the dehydration process to the outside are formed, and the casing is configured to perform rotational interlocking A dewatering unit including a screw to; The present invention relates to a food waste disposal apparatus comprising a cake storage unit for inflowing and storing the dehydrated solids in the dehydration unit and drying them by a heating means.

Description

Food waste disposal apparatus and method {Foodwaste Disposal Apparatus and Method}

The present invention relates to an apparatus and method for pulverizing and discharging food waste in each household, and storing and treating the food waste in each household.

In general, the disposer is used to crush food waste and dispose of it as it is through the sewer, and in recent years, its use has been restricted or prohibited by law to prevent environmental pollution.

On the other hand, in recent years, an eco-friendly treatment method is widely implemented in which food waste is separated, crushed, dried, and compressed, and then recycled as organic fertilizer.

However, since separating and collecting food waste requires a lot of labor and causes many hygiene problems, in households where there is not much food waste, food is pulverized using a disposer, dried using a dryer, etc., and then discharged. As a method of doing this is attempted, the need for a disposer is on the rise again.

As an example of the prior art, Korean Patent Publication No. 10-2021-0044132 discloses a crushing unit for receiving and crushing water and food waste from the outside; a body frame forming a space in which the crushing unit is disposed and forming a body protecting the crushing unit from the outside; and an extrusion unit disposed around the crushing unit in the inner space of the body frame, receiving the food waste pulverized by the crushing unit from the crushing unit, dehydrating or compressing the food waste, and discharging the food waste to the outside. It proposes a food waste disposal apparatus comprising a.

However, in the case of the above technology, there is a problem in its applicability due to problems such as space utilization and noise when used in general homes.

Republic of Korea Patent Publication No. 10-2021-0044132

The present invention has been proposed to solve the above problems, and each household pulverizes and discharges food waste, and treats the collected food waste in a separate place by dehydration, bioreaction, etc., thereby improving space utilization and noise. It is intended to provide an apparatus and method capable of solving such problems.

As a means for solving the above problems, the food waste disposal device of the present invention (hereinafter referred to as “the device of the present invention”) is coupled to the bottom of a sink drain, crushes food flowing through the drain, and discharges the ground food. a crushing unit; A storage unit having a solids discharge line for discharging precipitated solids at the lower end and an overflow water discharge line for discharging overflow water at the upper end while receiving and storing the pulverized food from the crushing unit; a bioreaction unit receiving overflow water through the overflow water discharge line, purifying the overflow water through a biological reaction, and discharging treated water; A casing in which a solids inlet through which solids are introduced from the storage unit, a cake outlet through which dehydrated solids are discharged to the outside, and a water discharge line for discharging moisture generated in the dehydration process to the outside are formed, and the casing is configured to perform rotational interlocking A dewatering unit including a screw to; It is characterized in that it includes a; cake storage unit for drying by a heating means while introducing and storing the dehydrated solids in the dehydration unit.

As an example, the storage unit may further include a microbubble generating device for supplying microbubbles therein, and a skimmer for guiding floating matter suspended by the microbubbles to the floating matter storage chamber.

As an example, it is characterized in that it further includes a pressure pipe connected to the casing to communicate with the cake discharge port and having spiral blades formed on the inner periphery, and a discharge pipe connected to the pressure pipe and discharging the dehydrated solids to the outside.

As an example, the pressure pipe is characterized in that it includes an outer pipe connecting the casing and the discharge pipe, and an inner pipe in which spiral blades are formed on the inner periphery of the inner periphery of the outer periphery for rotational interlocking.

As an example, protruding edges are formed at both ends of the exterior, and the inner tube is rotatably built into both protruding edges.

As an example, a crushing protrusion composed of a rotation pin protruding from the central portion and a second spiral wing formed on the outer periphery of the rotation pin is further configured at the end of the screw.

As an example, in the casing, a moisture falling portion formed of a mesh network is formed at the lower end of the portion where the solids inlet is formed, and a moisture storage portion configured to store moisture that has fallen through the moisture falling portion is formed at the lower portion of the moisture falling portion, and the moisture It is characterized in that a pressure rim of an elastic material is formed at the end of the wing of the screw at a position opposite to the falling part.

As an example, a brush part in which a plurality of brushes are formed is further configured on a part of the pressing edge.

Meanwhile, the present invention also proposes a food waste treatment method using the above device.

The apparatus and method of the present invention have advantages in terms of space utilization and noise by allowing food waste to be pulverized and discharged in each household, and the food waste collected in this way to be treated by dehydration, bioreaction, etc. in a separate place.

1 is a schematic diagram showing the apparatus of the present invention;
Figure 2 is a schematic diagram showing a storage unit as one configuration of the device of the present invention,
3 is a schematic diagram showing an example of a dewatering unit in one configuration of the present invention;
Figure 4 is a partial view of the embodiment shown in Figure 3;
5 is a front view showing a pressure pipe in the configuration shown in FIG. 4;
6 is a partial view showing another example of a dewatering unit in one configuration of the present invention;
7 and 8 are operational state diagrams of the example shown in FIG. 6 .

Hereinafter, the configuration and operation of the present invention will be described in more detail based on the accompanying drawings. In describing the present invention, the terms or words used in this specification and claims are based on the principle that the inventor can appropriately define the concept of the term in order to best describe his or her invention. should be interpreted as a meaning and concept that corresponds to the technical idea of

Apparatus 1 of the present invention, as shown in FIG. 1, is coupled to the bottom of a sink drain, crushing unit 2 for crushing food flowing in through the drain and discharging the crushed food; A storage unit ( 3); a bioreactor 5 that receives overflow water through the overflow water discharge line 32, purifies it through a bioreaction, and discharges treated water; In the storage unit 3, a solids inlet 411 through which solids are introduced, a cake outlet 412 through which dehydrated solids are discharged to the outside, and a water discharge line 461 through which water generated in the dehydration process is discharged to the outside are formed a dewatering unit 4 including a casing 41 and a screw 42 configured in the casing 41 to perform rotational interlocking; It is characterized in that it includes a cake storage unit 6 for drying by a heating means 61 while introducing and storing the dehydrated solids in the dehydration unit 4.

The crushing unit 2 corresponds to a configuration installed in each home, and the food waste pulverized by the plurality of crushing units 2 is processed by the storage unit 3 and the dewatering unit 4 installed in a separate place. It is to enable efficient treatment of food waste.

First, the grinding unit 2 will be described. Although not shown in the drawing, the crushing unit 2 includes a housing for securing a food crushing space at the bottom of the sink, and a crushing means for crushing food waste is provided inside the housing. Since this grinding unit 2 exists in various known technologies, its detailed description will be omitted.

The storage unit 3 receives and stores the pulverized food from the crushing unit 2, has a solids discharge line 31 for discharging precipitated solids at the lower end, and an overflow water discharge line 32 for discharging overflow water at the upper end. ) is formed.

The storage unit 3 collects and stores food crushed in the crushing unit 2 provided in a plurality of homes, such as apartments, etc. This is done so that the solids from which moisture is primarily removed are transferred to the dewatering unit 4 at the rear through the solids discharge line 31. Although reference numbers are not shown in the solids discharge line 31, a pump must be configured so that the solids are delivered to the dewatering unit 4 through the solids discharge line 31.

2 shows an example of the storage unit 3, in this embodiment, the micro-bubble generating device 34 for supplying micro-bubbles therein and the floating matter suspended by the micro-bubbles are transferred to the floating matter storage chamber. Characterized in that the guiding skimmer 35 is further configured, the floating matter discharge line 33 is further configured in the floating matter storage chamber. The floating matter discharge line 33 is connected to the solids inlet 411 of the dewatering unit 4, and the floating matter discharged through the floating matter discharge line 33 is also converted into cakes through a dehydration process in the dehydration unit 4. to let it out

Since the micro-bubble generating device 34 can be applied to various known technologies, detailed description thereof will be omitted. In addition, purification is performed by aerobic reaction in the storage unit 3 by the supply of microbubbles, and the treated water primarily purified in this way is introduced into the bioreaction unit 5 at the rear so that purification is performed secondarily By allowing the treated water to be discharged, it is possible to improve the quality of the discharged water.

The bioreactor 5 is configured to receive overflow water through the overflow water discharge line 32, purify it by a biological reaction, and discharge treated water. In the bioreactor 5, overflow water is introduced and stored A bioreactor 51 is configured inside the bioreactor 51 to allow aeration to occur, and the bioreactor 51 has a treatment for discharging the purified treated water to the outside. A water discharge line 511 is configured. In addition, the bioreactor 5 is further configured with a microbial storage tank 52 for storing and supplying aerobic microorganisms to the bioreactor 51.

The operation mechanism of purification treatment by biological reaction of the bioreactor 5 having such a configuration is a well-known operation mechanism, and a detailed description thereof will be omitted.

In addition, water discharged from the dehydration process in the dehydration unit 4 described below is introduced into the bioreactor 51 so that purification treatment by bioreaction is performed.

The dewatering unit 4 includes a solids inlet 411 through which solids are introduced from the storage unit 3, a cake outlet 412 through which dehydrated solids are discharged to the outside, and moisture generated during the dehydration process is discharged to the outside. It is characterized in that it includes a casing 41 in which the discharge line 461 is formed, and a screw 42 configured in the casing 41 to perform rotational interlocking.

As shown in the drawing, the casing 41 forms a gradient upward from the solids inlet 411 so that the moisture discharged in the dehydration process is guided downward in the casing 41 to form a moisture falling portion described below ( 45) to be discharged to the water storage unit 46.

Although the screw 42 is not shown in reference numbers, it rotates in conjunction with a motor and is composed of a rotating body 421 and spiral blades 422.

In particular, the dewatering unit 4 is connected to the casing 41 so as to communicate with the cake discharge port 412 to increase dehydration efficiency, and a pressure pipe 43 having spiral blades 432-2 formed on the inner periphery; It is characterized in that it further includes a discharge pipe 44 connected to the pressure pipe 43 and discharging the dehydrated solids to the outside.

In more detail, as shown in FIGS. 4 and 5, the pressurization pipe 43 has an exterior 431 connecting the casing 41 and the discharge tube 44, and a rotation on the inner periphery of the exterior 431. It is characterized in that it includes an inner tube 432 in which spiral blades 432-2 are formed on the inner periphery while interlocking.

Although the casing 41, the exterior 431, and the discharge pipe 44 are not shown in drawing numbers, they are fastened by the attachment of flanges formed at the ends of each component, which is not shown in the drawings, but is elastic. It is reasonable to fasten the material so that the gasket is placed so that watertightness is ensured. Although not shown in the drawings, each flange may be fixed by bolting or the like.

Protruding edges 431-1 are formed at both ends of the exterior 431, and the inner tube 432 is rotatably embedded in both protruding edges 431-1.

Preferably, the protruding edge 431-1 is in contact with the cake outlet 412 of the casing 41 and the discharge pipe 44, and has the same height as the thickness of the inner tube body 432-1 described below. By protruding as much as possible, the casing 41, the inner tube body 432-1, and the discharge pipe 44 are connected so that the inner periphery is soft. It is configured in this way to control the deposition of the cake on the protruding portion.

The inner tube 432 is composed of a tubular inner tube body 432-1 and spiral blades 432-2 formed on the inner periphery of the inner tube body 432-1.

Preferably, as shown in FIG. 5, the diameter (d) of the hollow formed by the spiral blades 432-2 is the same as or smaller than the diameter of the end of the rotating body 421, so that the cake discharge port by the screw 42 It is reasonable to ensure that uniform pressure is achieved by allowing the entire area of the cake discharged to 412 to come into contact with the spiral blades 432-2.

With this configuration, the inner pipe 432 is rotatably mounted on the inner periphery of the outer pipe 431, and the inner pipe 432 serves to prevent the cake discharged through the cake outlet 412 from passing through the spiral blades 432-2. Rotation is achieved by pressing.

Accordingly, the spiral blades 432-2 apply pressure to the cake discharged through the cake discharge port 412 to increase the dehydration efficiency and to control the idle rotation of the screw 42. The inner tube 432 is fixed In the case of the structure, there may be a problem in that the cake is solidified too firmly and a rotational load is generated on the screw 42. ) is made, and the cake is continuously discharged to the outside of the pressure pipe 43 by this rotational interlock, so that the dehydration by pressurization and the discharge of the dehydrated cake are properly balanced.

Although not shown in the drawings for this balance, the rotation of the inner tube 432 can be controlled to some extent by various known structures so that the balance between dehydration by pressurization and discharge of the dehydrated cake can be adjusted.

In addition, at the end of the screw 42, a crushing protrusion composed of a rotation pin 423-1 protruding from the center and a second spiral blade 423-2 formed on the outer periphery of the rotation pin 423-1. An example in which 423 is further configured is presented.

The crushing protrusion 423 is inserted into the cake by the rotation of the screw 42 and crushed at the center of the cake by the rotation of the second spiral wing 423-2. As mentioned above, it is further hardened by increasing the dehydration efficiency of the cake discharged by the pressure pipe 43. As mentioned above, by this hardening, the spiral blades 432-2 in the inner tube 432 There are cases where the cake is not discharged even by rotation, and in the present invention, the crushing protrusion 423 is further configured. The crushing protrusion 423 crushes the cake at the center while loosening the paste of the cake at the outside, so that discharge can be made more easily.

In addition, in the casing 41, a moisture dropping portion 45 formed of a mesh is formed at the lower end of the portion where the solids inlet 411 is formed, and a moisture dropping portion 45 is formed at the lower portion of the moisture dropping portion 45. A moisture storage unit 46 is configured to store moisture that has fallen through.

Moisture discharged in the dewatering operation process by the rotation of the screw 42 in the casing 41 is guided to the moisture falling portion 45 by the inclination of the casing 41, and the induced moisture is the moisture falling portion ( 45) to be discharged to the water storage unit 46.

The moisture storage unit 461 is configured with a water discharge line 461 and a solids discharge line 462 deposited at the lower end.

In particular, as shown in FIG. 6, the wing 422 of the screw 42 at the position 422-1 opposite to the water falling part 45 has a pressurized edge 423 made of an elastic material at the end. do.

By the configuration of the pressurized border 423, the solid content (S) in the moisture dropping portion 45 flows upward of the casing 41 without being deposited on the mesh of the moisture dropping portion 45. That is, as the mesh of the water drop portion 45 is filled and rotated by the elasticity of the pressure border 423, the deposition of solids on the mesh is controlled.

In addition, as shown in the drawing, a brush part 424 in which a plurality of brushes 424-1 are formed is further configured on a part of the pressing edge 423, so that during the rotation of the screw 42, the brush part 424 is When rotating while in contact with the moisture dropping portion 45, the plurality of brushes 424-1 pass through the mesh of the moisture dropping portion 45 to release the solids (S) deposited on the mesh to the moisture storage portion 461. is to do

The solid content (S) desorbed in this way is deposited in the water storage unit 461 and discharged to the outside through the solid content discharge line 462.

With this configuration, ease of maintenance and management is promoted.

The solid content (cake) dehydrated through the dehydration unit 4 flows into the cake storage unit 6 at the rear, and the cake storage unit 6 supplies and stores the dehydrated solids while drying by the heating means 61 let it do That is, the cake is completely dried in the cake storage unit 6.

Since the warming means 61 can be applied to various known technologies such as hot wires, a detailed description thereof will be omitted.

Through the above description, those skilled in the art will know that various changes and modifications are possible without departing from the technical idea of the present invention. Therefore, the technical scope of the present invention is not limited to the contents described in the detailed description of the specification, but should be defined by the claims.

1: device of the present invention 2: grinding unit
3: storage unit 4: dehydration unit
5: biological reaction unit 6: cake storage unit

Claims (9)

a crushing unit coupled to the bottom of the sink drain, crushing food introduced through the drain, and discharging the crushed food;
A storage unit having a solids discharge line for discharging precipitated solids at the lower end and an overflow water discharge line for discharging overflow water at the upper end while receiving and storing the pulverized food from the crushing unit;
a bioreaction unit receiving overflow water through the overflow water discharge line, purifying it through a bioreaction, and discharging treated water;
A casing in which a solids inlet through which solids are introduced from the storage unit, a cake outlet through which dehydrated solids are discharged to the outside, and a water discharge line for discharging moisture generated in the dehydration process to the outside are formed, and the casing is configured to perform rotational interlocking A dewatering unit including a screw to;
A cake storage unit for inflowing and storing the dehydrated solids in the dehydration unit and drying them by a heating means;
the storage unit,
A micro-bubble generator for supplying micro-bubbles therein and a skimmer for inducing the suspended matter suspended by the micro-bubbles into the floating matter storage chamber are further configured,
A pressure pipe connected to the casing to communicate with the cake discharge port and having spiral blades formed on an inner periphery, and a discharge pipe connected to the pressure pipe and discharging the dehydrated solids to the outside are further included,
The pressurized pipe includes an outer pipe connecting the casing and the discharge pipe, and an inner pipe in which spiral blades are formed on the inner periphery of the outer periphery in rotational interlocking at the inner periphery of the outer periphery,
Protruding edges are formed at both ends of the exterior, and the inner tube is rotatably built into both protruding edges,
At the end of the screw, a crushing protrusion composed of a rotation pin protruding from the center and a second spiral blade formed on the outer periphery of the rotation pin is further configured,
In the casing, a moisture falling portion formed of a mesh net is formed at the lower end of the portion where the solids inlet is formed, and a moisture storage portion configured to store moisture that has fallen through the moisture falling portion is formed at the lower portion of the moisture falling portion. At the opposite position, the wing of the screw is formed with a pressure rim of elastic material at the end,
Food waste disposal device, characterized in that a brush portion in which a plurality of brushes are formed in a portion of the pressing edge.
delete delete delete delete delete delete delete A food waste treatment method using the food waste treatment device of claim 1.

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