KR20110049582A - Apparatus for stirring food waste - Google Patents

Abstract

PURPOSE: An apparatus for stirring food waste is provided to simultaneously stir the food waste and eliminate moisture and bacteria by suppressing the absorption of food waste contained in the apparatus. CONSTITUTION: An apparatus for stirring food waste(100) includes a containing space(V) and a drum type rotating unit(1). The food waste is contained in the containing space. The drum type rotating unit rotates with respect to the central axial line(C) expanded to one direction. The drum type rotating unit includes a main pulverizing blade(12) pulverizing the food waste in the containing space. The main pulverizing blade is protruded from the inner sidewall of the drum type rotating unit.

Description

{Apparatus for stirring Food waste}

The present invention relates to a food waste stirrer, and more particularly, it is possible to remove moisture and bacteria contained in the food waste and to prevent food waste from sticking to the inner wall of the device for agitating food waste. It relates to a food waste stirrer with an improved structure to increase the.

In general, food waste discharged from homes or restaurants is temporarily received in a storage container and then disposed of.

In order to prevent the food waste contained in the bin from curing inside the bin and to stick to the inner wall of the bin, a rotating screw is provided at the center of the bin to be relatively rotatable relative to the bin. .

The rotating screw rotates at the center of the reservoir, and serves to suppress adsorption of food waste adjacent to the rotating screw.

Thus, the food waste agitation device according to the prior art having the reservoir and the rotating screw has the following problems.

That is, according to the related art in which the storage container is not rotated and only the rotating screw is rotated, adsorption is suppressed only around the rotating screw that performs the rotational movement, and food waste adheres efficiently to the inner wall of the storage container. It cannot be suppressed.

As a result, food waste is stuck to the inner wall of the storage container over time, and as a result, the aftercare cost is increased as the cleaning and replacement of the storage container are repeatedly required.

In addition, the food waste contains a large amount of water, but the water must be removed because it interferes with the processing of food waste, the food waste agitation device according to the prior art merely removes water by simply stirring. There is a problem that must be performed through a separate facility. In other words, if a structure capable of primarily removing water by the food waste agitator is provided, the amount of water removal to be processed later may be significantly reduced, thereby improving water removal efficiency.

On the other hand, the food waste contains a large number of bacteria, there is a need to develop a stirring device that can remove the bacteria while stirring the food waste.

The present invention has been made to solve the above problems, an object of the present invention is to provide a food waste agitation apparatus that can reduce the after-care costs by suppressing the adsorption of food waste contained therein.

Another object of the present invention is to provide a food waste stirrer capable of removing moisture and bacteria while stirring food waste.

Food waste agitation device according to an embodiment of the present invention for achieving the above object has a receiving space therein and includes a drum-type rotary unit rotated about a central axis extending in one direction.

In some embodiments, the drum type rotary unit may include a main grinding blade protruding from the inner wall of the drum type rotary unit toward the center axis to crush the food waste contained in the receiving space.

In some embodiments, the drum-shaped rotary unit may include a flow path for the flow of heated heating medium oil to heat the food waste. The flow path may be provided in a jacket placed in close contact with the outer wall of the drum-type rotary unit.

In addition, the food waste stirrer may further include a heat medium circulation joint for circulating the heat medium oil in the flow path. In some embodiments, the heat medium circulation joint part may include a first body part including an inflow line and an outlet line, and rotatable about the central axis with respect to the first body part, respectively, with the inflow line and the discharge line, respectively. It may be provided with a second body portion including a first connection passage and a second connection passage communicating.

One of the inflow line and the discharge line of the first body portion may be disposed on the central axis, and the other may be disposed eccentrically with the central axis, and during rotation of the second body portion, disposed on the central axis. One of the inflow line and the discharge line is in continuous communication with the first connection passage of the second body portion, and the other of the inflow line and the discharge line disposed eccentrically on the central axis is the second body. It may be in an intermittent communication state with the second connection flow path of the negative.

In some embodiments, the food waste agitator further comprises an intermediary block for positioning said first body portion between said thermal medium circulation joint and a boiler for heating said thermal medium oil, said intermediate block being the first block. It may include an inlet line and outlet line in communication with the inlet line and outlet line of the body portion.

Food waste agitation device according to the present invention having the configuration as described above has the advantage to suppress the adsorption of the food waste contained therein to the maximum to reduce the after-care costs and improve the food waste agitation efficiency.

In addition, according to the embodiment in which the heat medium oil is supplied to the food waste agitating device, there is an advantage that can preserve the effective nutrient components by indirect heating while also functioning to remove moisture and bacteria as well as stirring action.

Hereinafter, with reference to the accompanying drawings, the food waste agitator according to an embodiment of the present invention will be described in detail. In the following, like reference numerals refer to like components.

1 is a schematic side view of a food waste stirring apparatus 100 according to an embodiment of the present invention.

Referring to FIG. 1, the food waste agitating device 100 includes a drum-type rotating unit 1 having an accommodation space V in which food waste FW is accommodated. The drum rotary unit 1 may be rotated about the central axis C extending in one direction. Both ends 1a and 1b of the drum type rotary unit 1 may have suitable support structures P1 and P2 for rotatably supporting the drum type rotary unit 1.

In some embodiments, the central axis C on which the drum-shaped rotating unit 1 rotates may be inclined by an angle θ greater than 0 ° and less than 90 ° with respect to the ground. Thereby, the throughput can be controlled by increasing the t-receiving volume of the food waste FW accommodated in the accommodation space V of the drum-type rotary unit 1.

One end 1a of the drum-shaped rotary unit 1 is closed during the stirring process of the food waste FW, and the other end 1b can be opened during the stirring process for the input of the food waste FW. However, this is exemplary and the present invention is not limited thereto. For example, the other end 1b of the drum rotary unit 1 may close the drum rotary unit 1 in order to prevent the spread of odor generated from the food waste FW during the stirring process. It may have a lead portion 11. This will be described later with reference to FIG. 2.

In some embodiments, the drum-shaped rotating unit 1 may have a main grinding blade 12 protruding from the inner wall toward the center axis C and arranged along the center axis C in the accommodation space V. FIG. . The main grinding blade 12 may have a continuous spiral shape along the central axis. Alternatively, the main grinding blade 12 may consist of a plurality of blades arranged discontinuously along the central axis C. The main grinding blade 12 may not only assist the stirring of the food waste FW while the drum rotary unit 1 rotates, but may also grind the food waste FW. While the drum-type rotary unit 1 rotates, the lower portion of the inner space V may include a process in which slip occurs to stop the food waste FW, thereby cutting food.

When the drum rotary unit 1 is inclined by θ with respect to the ground, the food waste FW is held in the accommodation space V by the main grinding blade 11 while the drum rotary unit 100 rotates. In the process of moving from the high to the ground and falling to the lower by gravity may occur repeatedly. In this process, the grinding by the main grinding blade 12 may also be performed by cutting by dropping the food waste (FW). According to this embodiment, compared to the conventional stirring apparatus in which only the main grinding blade on the central axis rotates while the mixer itself is fixed, gravity can be used during the stirring operation, and the stirring efficiency can be further improved. In addition, since the drum-type rotary unit 1 itself rotates, a part of the food waste FW is fixed on the inner surface of the accommodation space V, thereby improving the problem of uneven stirring.

During the stirring process, the food waste (FW) can be mixed with other useful additives, such as quicklime, loess, manure, granules, ink, coco peat and livestock, to reduce its water content or increase its nutritional content. . Alternatively, animal residues filed by the inventor and disclosed in registered US Pat. No. 7,59,523 may be mixed at a predetermined rate.

When the stirring process is completed, the food waste FW treated from the other end 1b of the drum-type rotary unit 1 is adjusted by adjusting the rotational direction of the drum-type rotary unit 1 or the inclination angle θ of the central axis. It can be recovered.

Treated food waste (FW) may be transported by a transport means (not shown), such as a conveyor belt, for example, to a dorm or compost site and subsequently processed, as is well known in the art.

Reference numerals 2, 3, and 4 denote thermal medium circulation joints, first connectors and second connectors, respectively, which will be described later with reference to FIGS.

FIG. 2 is a cross-sectional view illustrating the other end 1b and the heat medium circulation joint part 2 of the food waste stirring apparatus 200 according to an embodiment of the present invention, and FIG. 3 is taken along line III-III ′ of FIG. 2. It is sectional drawing of the food waste stirring apparatus 200 cut out. In FIG. 3, the lead part 11 is omitted for convenience of description. The dashed arrows indicate the direction of flow of the fluid and the solid arrows indicate the direction of rotation of the component.

2 and 3, the food waste agitator 200 may include a lid 11 for isolating the drum-type rotating unit 1 from the external environment. The supply and recovery of food waste may be performed through the gate 11g formed in the lid 11. The lid 11 may not only prevent the odor from being released to the outside during the stirring process, but also may block heat loss to reduce the cost for heating the food waste FW.

The beverage waste agitator 200 may include a flow path 5 for flowing the heated heat medium oil to heat the food waste FW. The flow path 5 may be provided in the jacket 6 which is placed in close contact with the outer wall of the drum-type rotary unit 1, as shown in FIG. 2, and the inner wall of the jacket 6 and the drum-type rotary unit ( The flow path 5 can be formed by the partition which is formed continuously spirally along the center axis between the outer walls of 1).

For example, a metal strip having a predetermined height and width in a spiral shape is welded and fixed on the outer side wall of the drum-shaped rotary unit 1 while surrounding the predetermined pitch defining the flow path 5, and the upper portion of the metal strip is formed. By welding and fixing the iron plate constituting the outer surface of the jacket 6 to the surface, the flow path 5 can be defined by the inner space between the gap between the iron plate and the metal strip.

In some embodiments, the guide unit 7 may be additionally installed in the drum-type rotary unit 1 in the inner space forming the flow path 5. The guide portion 7 may allow the heat medium oil introduced into the flow path 5 to flow while forming a vortex, thereby improving heat transfer efficiency by increasing the residence time of the heat medium oil.

The oil to be used is excellent in thermal conductivity and low in vapor pressure to have a low pressure even at high temperature. For example, Far East Oil & Chemical's Ecoderm 2000 can be used. The temperature of the oil is in the range of 100 ° C to 250 ° C. The above-mentioned heat medium oil is only an example, and the present invention is not limited thereto. For example, it is apparent to those skilled in the art that other thermal materials such as steam may be used instead of thermal oil.

During the stirring process, the heat medium oil heated by an external boiler (not shown) is circulated through the flow path 5. Referring to FIG. 1, the boiler is mediated to the jacket 6 via the heat medium circulation joint 2. In this embodiment, the boiler is exemplary and embodiments of the present invention are not limited thereto. For example, as a heat source, an electric heater may be used.

The heat medium oil heated by the boiler flows in through the input part 5a of the flow path 5. Thereafter, the heat medium oil flows along the flow path 5 inside the jacket 6, and then is discharged through the output part 5b of the flow path 5. During the stirring process, the circulation operation of the heat medium oil is continuously performed, and the heat medium oil flowing along the flow path 5 transfers heat through the side wall 1w of the drum type rotary unit 1, whereby the drum type rotary unit The food waste FW contained in (1) can be heated.

The food waste (FW) is heated in the heat medium oil to reduce the moisture content, and at the same time pathogens such as Salmonella can be removed. Compared to the method of directly heating the outer wall of the mixer by the conventional flame, the indirect heating method through the heat medium oil according to an embodiment of the present invention can prevent carbonization of the food waste (FW), thereby treating the food waste ( The effective nutrients of FW) can be preserved, ensuring good quality when applied as a compost or fertilizer.

 During the stirring process, the jacket 6 also rotates along the central axis C as the drum rotary unit 1 rotates about the central axis C. As shown in FIG. The heat medium circulation joint part 2 may be provided to the food waste agitator 200 as a configuration for enabling the input and output of the heat medium oil between the rotating jacket 6 and the fixed boiler (not shown).

The heat medium circulation joint part 2 is arranged on the right side of the first body part 21 disposed on the left side with respect to the cut line III-III ', and arranged on the right side on the basis of the cut line III-III'. And a second body portion 22 fastened to the first body portion 21 so as to be rotatable with respect to the first body portion 21.

In some embodiments, a fixed intermediate block 8 can be arranged between them for fastening the boiler and the heating medium circulation joint 2. The intermediate block 8 may be provided with an inlet line 8a for communicating with the pump of the boiler for introducing the heated thermal oil and a discharge line 8b for discharging the cooled thermal oil. The first body portion 21 of the heat medium circulation joint portion 2 is fastened to the intermediate block 7 and can be fixed in position.

The first body portion 21 includes an inlet line 21a and an outlet line 21b therein. The inlet line 21a and the outlet line 21b of the first body portion 21 may be coupled to communicate with the inlet line 8a and the outlet line 8b of the intermediate block 8, respectively. The inflow line 21a of the first body portion 21 may be disposed on the central axis C, and may be provided by an inflow pipe 21t that is rotatable in the same direction as the drum-type rotation unit 1. . The inlet pipe 2 may be coupled to the intermediate block 7 so as to be relatively rotatable. However, this is exemplary, and the inlet pipe 21t may be fixed to the intermediate block 7. The discharge line 21b of the first body portion 21 may be disposed eccentrically with the central axis C, unlike the inflow line 21a.

The second body portion 22 includes a first connection flow passage 22a and a second connection flow passage 22b respectively communicating with the inflow line 21a and the discharge line 21b of the first body portion 21. do. As shown in FIG. 3, the opening 22ao of the first connection passage 22a is centered on the contact surface 2s of the second body portion 22 with the first body portion 21, that is, on the central axis C. Is placed on. The second connection flow paths 22b of the second body part 22 may be plural in number. For example, when the second body portion 22 has three second connection flow passages 22b, the openings 22bo of the second connection flow passages 22b are center axis C at 120 ° intervals. Can be placed eccentrically.

The first connection flow passage 22a of the second body portion 22 is connected to the input portion 5a of the flow passage 5 via the first connection pipe 3, and the second connection flow passage 22b is connected to the second connection pipe. It can be connected to the output part 5b of the flow path 5 through (4). Thereby, the circulation circuit of a heat medium oil is formed across the above-mentioned intermediate block 2, the heat medium circulation joint part 3, and the jacket 6. As shown in FIG.

During the stirring process, when the drum rotary unit 1 rotates about the central axis C, the second body portion 22 rotates together with the first connecting pipe 3 and the second connecting pipe 4. The first connection flow passage 22a and the second connection flow passage 22b of the second body part 22 also rotate.

While the second body portion 22 is rotating, the first connecting passage 22a of the second body portion 22 is in continuous communication with the inflow line 21a of the first body portion 21. On the contrary, the second connection flow path 22b of the second body part 22 is the discharge line 21b and the second connection flow path 22b of the first body part 21 at a position eccentric with the central axis C. Every time the openings 22bo of are overlapped, they are intermittently communicated. As described above, when the second connection flow passages 22b of the second body portion 22 are three, the second connection flow passages 22b are closed while the drum rotary unit 1 rotates once. The three overlapping communication states are experienced at positions overlapping with the discharge line 21b of the first body 21, for example, at intervals of 120 °.

As described above, the heat medium oil can be smoothly circulated without the interference by the rotation of the drum-shaped rotary unit 1 during the stirring process by the heat medium circulation joint portion 2 according to an embodiment of the present invention.

In the above-described embodiment, the configuration of the inlet line 21a and the outlet line 21b of the first body portion 21 is exemplary only, and the present invention is not limited thereto. For example, those skilled in the art will understand that in the above-described embodiment with reference to FIGS. 1 to 3, the effect of heating the food waste (FW) can be similarly obtained even if the flow of the heat medium oil is reversed. Thus, the scope of the present invention is that the discharge line 21b and the inlet line 21a of the first body portion 21 are interchanged with each other, and thus the members connected thereto, for example the inlet line of the intermediate block 7. 7a and the discharge line 7b, between the first connecting passage 22a and the second connecting passages 22b of the second body portion 22, the second body portion 22 and the jacket 6 It is obvious that the first connector 3 and the second connector 4 are also reversed.

As mentioned above, although preferred embodiment about this invention was described, this invention is not limited to the above-mentioned embodiment, It is defined by what was described in the claim, and it is clear that various deformation | transformation and adaptation are possible in the technical field to which this invention belongs. Do.

1 is a schematic side view of a food waste stirring apparatus according to an embodiment of the present invention.

Figure 2 is a cross-sectional view showing the other end and the heat medium circulation joint portion of the food waste stirring apparatus according to an embodiment of the present invention.

3 is a cross-sectional view of the food waste agitator cut along the line III-III 'of FIG.

Claims (8)

In the food waste agitator for the treatment of food waste, Food waste stirrer comprising a drum-type rotating unit having a receiving space therein, the drum is rotated about a central axis extending in one direction. The method of claim 1, The drum type rotary unit, And a main grinding blade protruding from the inner wall of the drum-type rotary unit toward the center axis in order to pulverize the food waste contained in the accommodation space. The method of claim 1, The drum-type rotary unit, the food waste agitating device, characterized in that it comprises a flow path for the flow of heated heating medium oil for heating the food waste. The method of claim 3, wherein The flow path is a food waste agitator, characterized in that provided in the jacket is placed in close contact with the outer wall of the drum-type rotary unit. The method of claim 3, wherein Food waste stirrer further comprises a heat medium circulation joint for circulating the heat medium oil in the flow path. The method of claim 5, The heat medium circulation joint part includes a first body part having an inlet line and an outlet line, and a first connection flow path rotatable about the central axis with respect to the first body part, and communicating with the inlet line and the outlet line, respectively. And a second body part including a second connection flow path. The method of claim 6, One of the inlet line and the discharge line of the first body portion is disposed on the central axis, the other is disposed eccentrically with the central axis, During rotation of the second body portion, one of the inflow line and the discharge line disposed on the central axis is in continuous communication with the first connecting flow path of the second body portion, and is disposed eccentrically on the central axis. And the other one of said inlet and outlet lines is in intermittent communication with said second connecting passage of said second body portion. 6. The apparatus of claim 5, further comprising an intermediate block for positioning said first body portion between said heat medium circulation joint portion and a boiler for heating said heat medium oil, The intermediate block is a food waste agitation device, characterized in that it comprises an inlet line and an outlet line in communication with the inlet line and outlet line of the first body portion.

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