KR20060043878A - Food trash treatment apparatus - Google Patents

Abstract

The present invention relates to an apparatus for decomposing and treating food waste, which efficiently decomposes food waste using microorganisms and at the same time prevents odor generated in the decomposition process from being discharged to the outside.

The present invention is provided with a door for the input of food waste, the outlet and inlet for circulation of the internal air is formed on one side, the upright chamber is filled with a biochip inside; A conveying screw having a rotating shaft vertically disposed at both ends of the chamber by a bearing; A motor that receives power and operates to transfer rotational force to the transfer screw; Is provided on the outside of the transfer screw when the transfer screw is fired, the biochip is moved upward from the inside, the inlet is cut in the outer side so that the biochip moves in the downward direction is formed on the lower side is fixed to the lower portion of the chamber A guide cylinder having an upper end opened; Characterized in that the deodorizing means for receiving the air in the chamber through the discharge port to remove the odor and discharged to the inlet.

According to the invention; By installing and rotating the transfer screw in the chamber in the upright state in the chamber, the food waste and biochip are circulated up and down and mixed, and the guide bar is used to prevent the food waste from being concentrated on only one side. Has the effect of maximizing.

Food waste, Biochip, Microorganism, Anion, Transfer screw

Description

Food trash treatment apparatus {food trash treatment apparatus}             

1 is a cross-sectional view of a general food waste decomposition apparatus.

Figure 2 is a perspective view of the decomposition treatment apparatus of food waste in accordance with the present invention.

3 is a plan view of a decomposition treatment apparatus of food waste in accordance with the present invention.

4 is a cross-sectional view taken along the line “A”-“A” of FIG. 3.

5 is a perspective view of the deodorizing apparatus according to the present invention.

6 is a cross-sectional view for explaining the operating principle of the deodorizer according to FIG.

7 shows a cross section of a nonwoven fabric according to the invention;

8 is a plan view showing another embodiment of the decomposition of the food waste treatment apparatus according to the present invention.

9 shows a cross section of the photocatalyst filter means according to FIG. 8;

*** Description of the symbols for the main parts of the drawings ***

One; Biochip 7; Food waste

20; Transfer screw 28; Guide

29; Guide bar 30; chamber

34; Slope 37; Electric wire                 

38; Shell plate 39; insulator

40; Door 50; Deodorization means

52; Ramp plate 54; Negative ion generator

55; Effluent outlet 60; motor

66a, 66b; Piping 70; Air circulation pump

71; Trough 72; Non-woven

The present invention relates to a food waste decomposing treatment device, and more particularly, to decompose food waste efficiently by using microorganisms to efficiently decompose food waste to prevent the emission of odor generated during the decomposition process to the outside. It relates to a processing apparatus.

Recently, a method of decomposing food wastes has been developed using biochips in which microorganisms, such as bacteria, are cultured in sawdust for the treatment of food wastes discharged from offices such as homes and restaurants. It is being applied to.

At this time, the food waste decomposition treatment apparatus using a biochip is generally disclosed as a stirring blade inside the fermentation tank (2) filled with a predetermined height of the biochip (1) sawdust cultured microorganisms as shown in FIG. Stirring shaft (4) is installed horizontally on the rotating shaft 3) is installed horizontally, the lid 6 is hinged to the upper portion, the food waste (7) is put into the upper and then operated, the stirring body (5) rotates While the food waste (7) is mixed with the bichip (1) to decompose the food waste.

According to such a configuration, the stirring blade 3 of the stirring body 5 is rotated while drawing a constant trajectory, so that the food waste and the biochip 1 are moved only up and down and are not evenly mixed so that the natural decomposition efficiency is lowered. there was.

Of course, in order to solve the above problems, there is also disclosed a device for horizontally moving the transport screw (not shown) to rotate the food waste and the biochip to be mixed while moving horizontally, which has a large area in contact with the floor space utilization Fall, and the transported food waste and the biochip (1) is not evenly mixed up and down to move the food waste (7) and the biochip (1) is not mixed well so that the degradation efficiency degradation and decomposition time is long I have it.

Meanwhile, water and methane gas are released in the process of decomposing the food waste (7). Such gas is released to the outside through a minute gap such as the edge of the lid (6), which causes air pollution in the room. For the treatment, the gas is heated to a high temperature of about 300 ° C., or a deodorization method using platinum is disclosed. However, devices using such methods still have high manufacturing and maintenance costs.

Accordingly, an object of the present invention is to provide a decomposition treatment apparatus of food waste that can be evenly mixed with food waste and biochips to increase the decomposition efficiency of food waste and maximize space utilization. .

Another object of the present invention is to provide an apparatus for decomposing and treating food waste, which optimizes the culture environment of microorganisms in a biochip and removes odors such as methane generated during natural decomposition without being discharged to the outside.

The present invention relates to an apparatus for decomposing and treating food waste; A door 40 is provided for the input of food waste 7, and an outlet 51a and an inlet 51b are formed on one side for circulation of internal air, and an upright chamber in which the biochip 1 is filled. 30); A transfer screw (20) having a rotating shaft (22) vertically arranged at both ends of the chamber (30) by means of a bearing; A motor 60 which receives power and operates to transfer rotational force to the transfer screw 20; The inlet 28a which is provided on the outside of the transfer screw 20 and the bioscrew 1 moves upward from the inside when the transfer screw is fired, and the biochip 1 moves downward from the outside A guide cylinder 28 formed at a lower side thereof and fixed to a lower portion of the chamber 30 and having an upper end opened; Deodorizing means (50) for receiving the air in the chamber 30 through the discharge port (30a) to remove the odor and discharge to the inlet (30b);

With reference to the accompanying drawings, the food waste decomposition treatment apparatus according to the present invention will be understood by the embodiments described in detail below.

2 is a perspective view of a decomposition treatment apparatus for food waste according to the present invention, Figure 3 is a plan view of a decomposition treatment apparatus for food waste according to the present invention, Figure 4 is a working principle of the decomposition treatment apparatus for food waste according to the present invention 5 is a perspective view of a deodorizing apparatus according to the present invention, FIG. 6 is a sectional view illustrating the operating principle of the deodorizing apparatus according to FIG. 5, and FIG. 7 is according to the present invention. 8 is a cross-sectional view of a nonwoven fabric, and FIG. 8 is a plan view showing another embodiment of a food waste decomposition apparatus according to the present invention, and FIG. 9 is a view showing a cross section of the photocatalyst filter means according to FIG.

2 to 4, the food waste decomposition treatment apparatus 10 according to the present invention is a chamber in which the transfer screw 20 is installed in a vertical direction and the biochip 1, which is a sawdust in which microorganisms are mixed, is filled ( 30 and a guide part 32 leading to the inner receiving part of the chamber 30 is formed at one side of the front side of the chamber 30, and the hinge pin 42 is formed in the chamber 30 extending from the guide part 32. The door 40 is hinged by the rotation is made. Therefore, when the food waste 7 is put in the open state of the door 40, the food waste 7 moves downward along the guide part 32.

In addition, a deodorizing device 50 for removing odors such as moisture, dust and methane gas generated in the process of decomposing food waste 7 by the microorganisms of the biochip 1 is disposed on the outside of the chamber 30. It is provided.

Hereinafter, each component constituting the food waste decomposition apparatus will be described in detail.

The door 40 has guide side plates 40a formed on both sides thereof so that the food waste 7 can be guided to the inside of the chamber 30, and the handle 40b is provided on the outside thereof.

On the other hand, the chamber 30 has a rectangular cross section, and an inclined surface 34 is formed at the lower portion thereof so that the biochip 1 and the food waste 7 can move smoothly.

At this time, the transfer skew 20 is installed vertically in the chamber 30, both ends of the rotating shaft 22 of the transfer screw 20 penetrates through the chamber 30, the lower portion of the chamber 30 The thrust bearing 24 is fixed by the fixing pins 24a and 24b to support the load of the rotating screw 22 of the transfer screw 20, and the upper center portion of the chamber 30 has a general bearing 26. The rotation shaft 22 is smoothly supported by the inner ring.

In such a chamber 30, the transfer screw 20 in order to allow the food waste 7 and the biochip 1 to be transported to the upper portion when the transfer screw 20 is rotated upward. A guide cylinder 28 extending relative to the diameter of the transfer screw 20 is provided so that 20 is located therein, and the biochip 1 is filled in the chamber 30 and the guide cylinder 28.

At this time, the guide cylinder 28 has a lower end one side is fixed to the inner bottom plate of the chamber 30 and the inlet (28a) of the cut state is formed on one side to the food waste 7 and the biochip 1 is introduced It becomes possible. On the other hand, the guide cylinder 28 is in an upright state and the upper end is opened, the food waste 7 and the biochip 1 conveyed by the transfer screw 20 is discharged and flows to the outside of the guide cylinder 28 It overflows and moves to the bottom of the chamber 30.

And, the food waste (7) discharged to the upper portion of the guide cylinder 28 and the biochip (1) in order to be better mixed the upper portion of the rotating shaft 22 of the transfer screw 20 is a guide means "" "The vertical bar 29a of the shaped guide bar 29 is fixed perpendicularly to the axis of the rotational shaft 22 so as to protrude so as to be located outside the upper portion of the guide cylinder 28.

Therefore, when the transfer screw 20 due to the driving of the motor 60 installed on the upper side of the chamber 30 rotates, the guide bar 29 also rotates together, the food waste 7 and the biochip ( 1) is evenly mixed and dispersed.

Meanwhile, when the door 40 is opened, the food waste 7 and the biochip 1 overflowing to the outside of the guide cylinder 28 are provided in the accommodation portion of the upper chamber 30 of the door 40. Block plate 35 is formed in order to prevent the reverse flow into the ()) side, the mixed food waste (7) and biochip (1) does not flow into the door 40, and flows down to both sides of the guide cylinder Inlet (28a) is cut into the lower end of the 28 is to be repeated to move upward in the guide cylinder 28 by the transfer screw 20.

A deceleration motor, which is a motor 60 capable of rotating at a constant speed, for example, 30 to 60 times per minute at a low speed, is horizontally installed outside the upper portion of the chamber 30, and a power is applied to the drive shaft 60a of the motor 60. The bevel gear 62 is coupled thereto, and is provided with a transmission bevel gear 64 which switches in a direction perpendicular to the angle of 90 °.

At the center of the delivery bevel gear 64, an end of the rotation shaft 22 of the spiral transfer screw 20 fixed in a direction perpendicular to the chamber 30 is fastened and fixed.

At this time, the method of transmitting the rotational force of the motor 60 to rotate the transfer screw 20 is installed in addition to the bevel gear, the motor 60 is installed so that the drive shaft (50a) is located in the vertical direction belt (not shown) Or a chain (not shown) to transfer power. In addition, it is also preferable that the motor 60 is installed in the lower portion of the chamber 30 to rotate the rotating shaft 22.

On the other hand, at one corner of the upper side of the chamber 30 is formed a discharge port 30a for discharging air containing odors such as methane gas generated during the natural decomposition of microorganisms in the chamber 30, the upper side opposite the An inlet 30b is formed at the corner to feed back the air from which the odor emitted by the outlet 30a is removed to the inside of the chamber 30.

Such outlet 30a and inlet 30b are connected to the deodorizing means 50 provided on one side by pipes 66a and 66b.                     

And, one side of the pipe (30a) connecting the outlet 30a and the deodorizing means 50 is known for forcibly circulating the air mixed with the internal odor of the chamber 30 to the deodorizing means (50) An air circulation pump 70 is provided to forcibly circulate the air therein.

Meanwhile, referring to FIGS. 5 to 7, the deodorizing means 50 has an inlet 51a and an outlet 51b formed on an upper portion of the main body 51 having a receiving portion in which water 9 is contained. A discharge port 30a formed at an upper portion of the 51 is connected to the inlet 51a, and the inlet port 30b is connected to the outlet 51b and the pipe 66b so that air is circulated.

An extension tube 66c is installed at the inlet 51a of the main body 51 so as to be located on the inner bottom surface of the receiving part of the main body 51 so that the odorous air comes into contact with the water particles during discharge.

At this time, the inclined plate 52 having a triangular cross section intersects in a zigzag shape on both inner sides of the receiving portion of the main body 51 so that the air particles gradually move upward along the lower inclined surface 52a of the inclined plate 52. As a result, the contact distance with the particles of water 9 is lengthened to remove more odors.

On the other hand, the reason for forming the upper inclined surface 52b of the inclined plate 52 serves to allow particles such as fine dust to be removed through contact with the water particles to slide down.

At this time, the water (9) is filled only about 80% of the receiving portion to form an air layer on the top. In this way, the accumulated air layer is discharged from the negative ion generator 54 fixedly installed on the upper part of the main body 51 through the through hole 54a, and the odor such as methane gas is secondarily deodorized, and the outlet 51b and the piping It is introduced into the chamber 30 through the 66b and the inlet 30b.

In addition, the wastewater outlet 55 is connected to the inside of the main body 51 accommodating part so as to penetrate the outside, and when the water level of the water 9 rises above a predetermined value, the water is discharged to the outside.

At this time, the waste water discharge port 55 is a "U" shaped pipe so that dust and sewage of the sewage is settled inside, and the other end of the discharge hole 55 at the end of the height corresponding to the discharge water level 57 ) Is connected. Therefore, the height difference between the both ends of the discharge port 55 is configured. Through such a configuration, when water is above a certain level, air is not discharged to the outside, and only waste water can be discharged.

On the other hand, the upper portion of the chamber 30 is provided with a drip tray 71 of a predetermined size, the non-woven fabric 72 is seated in the drip tray 71. Then, the discharge hose 57 is positioned to face the upper surface of the nonwoven fabric (72).

Therefore, when the water 9 filled in the receiving portion of the main body 51 overflows and is discharged through the discharge port 55, water is evaporated into the air in the state absorbed by the nonwoven fabric 72. At this time, the nonwoven fabric 72 is formed between the upper surface nonwoven fabric 72a and the lower surface nonwoven fabric 72b to form an activated carbon layer 72c that absorbs and removes the odor of filthy water discharged to prevent odor from occurring during the natural evaporation of the filthy water. It serves to prevent air pollution.

On the other hand, the outer circumferential surface of the chamber 30 in the case of microorganisms such as bacteria present in the biochip 1 inside the chamber 30 in the temperature range of 50 to 60 ℃ maximizing activity and population number such temperature In order to maintain the heating wire 37 is arranged and further provided with an outer plate 38 on the outside and the insulating material 39 therebetween serves to maintain a constant temperature inside the chamber (30).

2 to 6 will be described in detail the operating state of the food waste decomposition treatment apparatus according to the present invention.

Food wastes (7) such as fish, meat, fish, rice, noodles, egg shells, fruit shells, vegetables, etc., with the door 40 formed at one side of the chamber 30 of the food waste decomposition apparatus 10 open. To the inside of the door 40 and then operating the motor 60, the drive shaft 60a of the motor 60 is rotated, the rotational force is transmitted to the transfer screw 20, food waste (7) and biochips (1) is rotated in one direction to move upward along the inside of the guide cylinder (28).

At this time, the motor 60 is rotated at a speed of 30 to 60 times per minute according to the set speed. The food waste 7 should be added in a state in which salt is minimized to prevent deterioration of activity of microorganisms.

When the transfer screw 20 is rotated as described above, the food waste 7 is in the interior of the guide cylinder 28 by the transfer screw 20 through the lower inlet 28a of the guide cylinder 28 together with the biochip 1. Are mixed slowly while moving upwards along.

On the other hand, when the food waste 7 in the state of mixing slowly with the biochip (1) reaches the upper end of the guide cylinder 28 flows to the outer surface of the guide cylinder 28 to move to the lower portion of the chamber 30, at this time , The guide bar 29 formed on the top of the rotating shaft 22 of the transfer screw 20 is also rotated together so that the food waste 7 is evenly distributed and guided in all directions.

If this process continues, the food waste 7 and the biochip 1 on the outside of the guide cylinder 28 move downward, which in turn causes the repetition of moving along the inside of the guide cylinder 28. More evenly mixed.

On the other hand, the microorganisms, such as bacteria present in the biochip 1 to decompose the food waste (7) during the process, the odor such as water and methane gas is generated through the decomposition process. At this time, by heating the heating wire 37 formed on the outside of the chamber 30 to maintain a temperature of 50 to 60 ℃ range to maximize the activity and population of microorganisms.

The odorous air such as water and methane gas generated through the natural decomposition process is supplied to the deodorizing means 50 through the outlet 30a which is formed to penetrate the upper portion of the chamber 30, the smooth flow of air In order to guide the air flow is forced by the operation of the air circulation pump 70 formed on one side of the pipe (66a).

Therefore, the induced air is odorous air is discharged through the end of the extension pipe (66c) extending to the bottom of the main body 51 receiving portion of the deodorizing means (50).

At this time, the air moves along the lower inclined surface 52a of the inclined plate 52 installed inside the accommodating part, and foreign matter such as moisture and dust is moved to the upper part of the accommodating part while being removed while contacting the water particles. At this time, the negative ions generated by the negative ion generator 54 provided at the upper end of the accommodating part remove secondary odors such as methane gas.

The air in which the odor is removed is introduced into the chamber 30 through the inlet port 30b formed to penetrate the outlet 51b, the pipe 66b, and the chamber 30 of the deodorizer 50, and the microorganisms are microorganisms. It increases the proliferation and activity of the, and can prevent the contamination of the outside air.

At this time, when the water level becomes high during the process of contacting the water (9) particles and the odorous air filled in the receiving portion of the main body 51, the non-woven fabric 72 is discharged to the outside through the excess water outlet (55) ) Is absorbed and gradually evaporates.

When the above-described process is repeatedly performed, there are differences in the contents of the food waste 7, the amount of waste and the capacity of the processing apparatus, but are naturally decomposed within approximately 24 hours, thereby preventing contamination of the surrounding air. Meanwhile, the biochip 1 filled in the chamber 30 is preferably replaced every six months.

Meanwhile, FIGS. 8 and 9 are views showing another embodiment of a food waste decomposition apparatus according to the present invention, in which fresh external air is introduced into the chamber to the outside of the chamber 30, thereby allowing the microorganisms to be natural. An air inlet 81 is provided to increase the decomposition efficiency. In addition, an air pump 80 for forcibly injecting air into the air inlet 81 is provided to introduce a large amount of external air into the chamber.                     

In addition, outside the upper end of the chamber 30, the photocatalyst filter means 90 which deodorizes the remaining fine dust and air in the air from which the odor is removed through the deodorizing means 50 and discharges it to the inlet port 30b. It is further provided.

At this time, the photocatalyst filter means 90 is disposed in the PEC (photoelectrocatalyst) coating plate (94a, 94b, 94c) at a predetermined interval and UV (ultraviolet) lamp (92a, 92b) between the mixed in the incoming air By effectively removing the fine dust, dust, volatile organic substances and the like is discharged and supplied to the chamber 30 through the pipe (66b) and the inlet (30b) to lower the degree of contamination in the chamber.

As described above, embodiments of the present invention have been described in detail, but the scope of the present invention is not limited thereto, and the scope of the present invention extends to the range substantially equivalent to the embodiments of the present invention.

As can be seen from the above description, according to the present invention, the transfer screw 20 is installed in an upright form in the chamber 30 and rotated so as to circulate and mix food waste and biochips up and down, and use the guide bar 29. By preventing the food waste (7) is concentrated only on one side by giving evenly distributed there is an effect of maximizing the natural decomposition efficiency of microorganisms.

In addition, the odorous air such as methane gas and moisture dust generated during the natural decomposition in the chamber 30 is removed through the deodorizing means 50 to deodorize using water and anion again to remove the odor chamber ( 30) By supplying inside, there is an effect of minimizing the pollution of the surrounding environment of the food waste treatment apparatus.

In addition, it consists of upright type processing device, which occupies a small floor area and maximizes space utilization, which is very useful when used for businesses such as general large restaurants or fast food restaurants.

Claims (11)

A door 40 is provided for the input of food waste 7, and an outlet 51a and an inlet 51b are formed on one side for circulation of internal air, and an upright chamber in which the biochip 1 is filled. 30); A transfer screw (20) having a rotating shaft (22) vertically arranged at both ends of the chamber (30) by means of a bearing; A motor 60 which receives power and operates to transfer rotational force to the transfer screw 20; The inlet 28a which is provided on the outside of the transfer screw 20 and the bioscrew 1 moves upward from the inside when the transfer screw is fired, and the biochip 1 moves downward from the outside A guide cylinder 28 formed at a lower side thereof and fixed to a lower portion of the chamber 30 and having an upper end open; Deodorization means of the food waste, characterized in that consisting of; deodorizing means (50) for receiving the air in the chamber 30 through the discharge port (30a) to remove odors and discharge it to the inlet (30b). The method of claim 1, The food waste 7 and the biochip 1 discharged to the upper end of the guide cylinder 28 are evenly mixed and dispersed on the rotating shaft 22 of the transfer screw 20 to be discharged to the outside of the guide cylinder 28 to be lowered. Guide bar (29) to move to; food waste decomposition treatment apparatus characterized in that it is further provided. The method of claim 1, Disintegration treatment apparatus of the food waste, characterized in that the inclined surface 34 is formed in the lower portion of the chamber 30 so that the food waste (7) and the biochip (1) smoothly collected to the bottom. The method of claim 1, And an air circulation pump (70) for smoothly supplying the air discharged through the discharge port (30a) to the deodorizing means (50). The method of claim 1, wherein the deodorizing means (50); It has a receiving portion filled with water therein, the upper portion of the inlet (51a) connected through the outlet 30a and the pipe 66a and the outlet (51b) connected through the inlet (30b) and the pipe (66b) A main body 51 formed; An extension pipe 66c connected from the inlet 51a to the lower part of the accommodating part to discharge odorous air generated during food waste decomposition in the chamber 30 introduced through the inlet 51a to the lower part of the accommodating part; ; Maintain a predetermined interval while being locked in the water (9) to be filled in the receiving portion of the main body 51 is installed in a zigzag to contact the water particles and dust in the air discharged through the extension pipe (66c) with water particles. At least one inclined plate 52 having a lower surface inclined upwardly in order to lengthen a moving path of air during stripping therethrough; Installed in the upper portion of the main body 51 to generate anion for circulating the air discharged to the water surface to the inlet (30b) of the chamber 30 through the outlet (51b) in a state that the odor is removed Anion generator (54); decomposition treatment apparatus of food waste, characterized in that consisting of. The method of claim 5, One side of the receiving portion of the main body 51, the waste water discharge port (55) for discharging when the water level rises; Food waste decomposition treatment apparatus characterized in that it is further provided. The method according to claim 1 or 6, Disposal of food waste, characterized in that the upper side of the chamber 30 is further provided with a drip tray (71) on which the nonwoven fabric 72 for natural evaporation of the wastewater discharged through the wastewater discharge port (55). Processing unit. The method of claim 7, wherein The nonwoven fabric 72 is an decomposition treatment apparatus of food waste, characterized in that the activated carbon layer (72c) is formed for removing the odor of the waste water discharged between the upper surface nonwoven fabric (72a) and the lower surface nonwoven fabric (72b). The method of claim 1, An outer surface of the chamber (30) having a heating wire (37) for maintaining a constant temperature to increase the growth and activity of microorganisms in the chamber (30); A heat insulator (39) filled in the outside of the heating wire; Outer plate (38) surrounding the outside of the insulation; food waste decomposition treatment apparatus characterized in that it is further provided. The method of claim 1, The outside of the chamber 30 is provided with an air inlet 81 for introducing external air and an air pump 80 for forcibly injecting air into the air inlet; food waste decomposition further characterized in that it is provided Processing unit. The method of claim 1, On the outside of the chamber 30, the photocatalyst filter means 90 which deodorizes the fine dust and the air discharged through the deodorizing means 50 and discharges it to the inlet port 30b; Disintegration processing unit.

Images