KR100202428B1 - Refuse treatment device - Google Patents

Abstract

The present invention relates to a food waste processing apparatus used to treat various food wastes including residues, and to treat them as ingredients that can be recycled.

The food waste treating apparatus of the present invention includes a charging hopper into which food waste is charged, a crusher installed at a lower portion of the hopper to crush food waste into a dough of a predetermined particle size, a storage tank in which the crushed food waste is stored, and food in the storage tank. A conveying apparatus for transferring the waste into the drying apparatus, a drying apparatus for maintaining the high temperature state by the hot air of the burner and drying of the food waste introduced into the drying apparatus, and being rotatably coaxially formed inside the drying apparatus. Stirring and conveying device formed on the outer circumferential surface of the inner cylinder, and a deodorizing device as a high temperature portion is installed inside one side of the inner cylinder to remove the odor component in the exhaust gas flowing into the inner cylinder and the opposite end side of the deodorizing device It is a structure composed of an exhaust gas discharge device.

The apparatus of the present invention has the advantage of treating the food waste to be recycled as a raw material of fertilizer or feed within a short time, as well as the odor is completely removed in this process.

Description

Food Waste Disposal Device

1 is a process chart for the food treatment process using the apparatus of the present invention.

Figure 2 is a partially cutaway front view showing the whole structure of an embodiment of the present invention.

3 is a detailed cross-sectional view of the deodorizer of the FIG.

* Explanation of symbols for main parts of the drawings

1: Hopper 2: Grinder

3: storage tank 4: drying apparatus

5: inclined feed device 6: inner cylinder

7: deodorizing device 8: exhaust device

9: outer cylinder 11: drying burner

12: duct 13: outlet

16 transfer screw 17 stirring pin

18: deodorization burner 19: red heat cylinder

20: gas inlet 22: air inlet

23: damper

The present invention relates to a device for treating various kinds of food waste, including residues, etc. More specifically, the food waste is pulverized and dried in a short time to minimize moisture content and volume, while the processed food waste is used as a raw material of various feeds and fertilizers. It relates to a food waste disposal apparatus that can be utilized.

In recent years, with the expansion of industrial scale and the improvement of living standards, the discharge of industrial wastes and other industrial wastes has increased, and the development of new types of treatment methods and treatment apparatuses for the treatment of such wastes and wastes has been actively developed. Is going on.

Particularly, among the household wastes, the most seriously emerging forms of social waste these days include food wastes generated every day in group homes, including homes and restaurants. As it has such characteristics, there are many difficulties in processing.

In other words, the food waste usually contains water and gives off a peculiar smell. In addition, the food waste has a characteristic of generating a bad smell when the decay proceeds easily over time and the treatment is not performed immediately.

Among the food waste disposal methods, the most conventional treatment method is a landfill in a landfill site. In the disposal method of landfill food waste, moisture contained in the food waste after landfill is accumulated. Leaching not only pollutes the soil, but also the leachate flows into rivers, rivers and even water sources, acting as a secondary environmental pollutant. Recently, there has been a growing tendency to regulate the disposal of food waste by landfill. It is true.

Therefore, in recent years, food wastes are processed by reclaiming landfills, and a separate processing device is used to remove the volume and moisture of food wastes and to dispose of them or to recycle processed food wastes as feedstock or fertilizer of livestock. The development of a food processing apparatus to enable this is being actively progressed.

Currently, there are two types of food waste disposal methods, incineration by heating and fermentation using microorganisms. Among them, the incineration treatment apparatus currently developed is a form of directly heating food waste. When the water content of the food waste is high, its disposal cost is high and it is not widely used yet due to secondary pollution caused by smoke and odor generated during incineration.

Next, the fermentation food processing apparatus is currently developed in various forms of products are shipped on the market, which is a microorganism having a decomposing property for the food waste is charged with the food waste inside the reaction tank and the temperature, humidity and By controlling the atmosphere such as the image state, the food waste is decomposed so that the volume of the food waste is reduced.

However, such a conventional fermentation food processing apparatus takes a processing time of more than 24 hours, the processing speed is slow, and there is a problem that a bad smell occurs during the treatment, and also the food of our country has a spicy and salty characteristics inside the reactor It is pointed out that the processing yield is lowered because the microorganisms injected into the case may die.

Accordingly, the present invention is to solve all the disadvantages and problems that are pointed out in the conventional incineration and fermentation food waste, primarily crushing the food waste and drying the ground food waste in a dryer and deodorization by high temperature The aim is to provide a food waste disposal apparatus that is intended to be achieved.

It is another object of the present invention to provide a food processing apparatus that allows food waste discharged from a group meal hall, such as a school, such as a restaurant, an army, a corporation, or the like, to be recycled as a raw material of various feeds or fertilizers in a short time.

In the food treatment process using the food waste treatment apparatus of the present invention, the food waste is first pulverized to a slurry or dough state and transferred to a storage tank, and then the crushed food waste in the storage tank is transferred to a drying apparatus by a burner. Drying is performed by hot air, and the exhaust gas including the odor component generated in the drying process is removed by passing through the high temperature part to remove the odor.

The object of the present invention is a charging hopper into which food waste is charged, a pulverizer disposed below the hopper to primarily crush food waste into a dough or slurry state, a storage tank for storing pulverized food, and pulverized food in the storage tank. A conveying means for transferring the waste into the drying apparatus, a drying apparatus for maintaining food at a high temperature by the hot air of the burner, and drying the food wastes charged therein; and rotatably coaxially inside the drying apparatus. Agitating and conveying apparatus formed on the outer circumferential surface of the inner cylinder to be installed, and a deodorizing device and an opposite end side of the deodorizing apparatus as a high temperature part installed inside one shaft of the inner cylinder to remove the odor component in the exhaust gas flowing into the inner cylinder. It is achieved by a structure consisting of an exhaust gas discharge device installed in.

At this time, the drying device is composed of an outer cylinder consisting of a cylindrical body in a horizontal state in which both sides are blocked, and an inner cylinder formed through the coaxially penetrating inside the outer cylinder and rotatably installed, one side of the inner cylinder on the outer peripheral surface of the inner cylinder. A stirring pin is formed to allow stirring of the food screw and the food screw to move the food waste charged into the discharge port on the opposite side.

Matters relating to the above objects and technical configurations of the present invention and the effects thereof will be clearly understood by the following detailed description with reference to the drawings showing a preferred embodiment structure of the device of the present invention.

1 is a process diagram showing the process of food waste using the apparatus of the present invention step by step, and FIG. 2 is a partially cutaway front view showing the overall structure of the food waste processing apparatus of the present invention, and FIG. 3 is a deodorizing apparatus of FIG. Detailed cross-sectional view showing the structure of.

As shown in Figure 1, the process of processing food waste by using the apparatus of the present invention, first charging the food waste into the drying furnace to perform the grinding operation in the previous step to dry it to be stored in the storage tank, After the grinding operation is performed in the previous step of drying, it is stored in the storage tank, and then the food waste is transferred into the drying apparatus by transferring the amount that can be properly processed in the dryer to the inside of the drying apparatus so that the drying of food waste is carried out. During the process, the odor in the exhaust gas is removed and then the dried food waste is discharged.

Looking at the structure of the food processing apparatus of the present invention performing a series of processes as described above based on FIG.

As shown, the food waste treatment apparatus of the present invention, the hopper (1), a crusher (2) for crushing the food waste supplied from the hopper 1 to a predetermined particle size range, and a storage tank in which the crushed food waste is stored (3), an inclined feeder (5) for conveying the crushed food waste in the storage tank (3) to the drying apparatus (4), and a transverse cylindrical body with both sides closed to dry the food waste therein. A drying device (4), an inner cylinder (6) coaxially rotatably installed in the inside of the drying device (4), and an odor contained in the exhaust gas provided on one side of the inner cylinder (6). And a degassing apparatus 7 for removing components, and a gas exhaust apparatus 8 provided on the other end of the inner cylinder 6.

The hopper 1 into which the food waste to be treated is charged, it is preferable to install a cover (not shown) to prevent the smell from spreading to the outside.

The grinder 2 which grinds the food waste supplied from the hopper 1 to a certain particle size is configured to grind not only residues, rice cakes, meat and vegetables, but also various bones, fish and shellfish and wooden chopsticks as solids.

Next, the storage tank 3 in which the food waste FW pulverized in the grinder 2 is stored is formed in a hermetic type, and its bottom surface is preferably configured as an inclined surface as shown.

The inclined conveying apparatus 5 installed inclined between the lower part of the storage tank 3 and the drying apparatus 4 has a rotary screw 5a installed therein, so that the food waste FW stored in the storage tank 3 is stored. ) Is transferred to the upper drying apparatus 4, wherein a motor (not shown) as a driving source for driving the rotating screw 5a is selectively installed on one side of the upper end or the lower end of the inclined feeder 5. Could be.

Next, the drying apparatus 4 is constituted by a metal outer cylinder 9 made of a cylindrical body in a horizontal state and supported by a lower support frame 10, and inside the outer cylinder at one bottom surface of the outer cylinder 9. Drying burner 11 for supplying the hot air to the furnace is mounted so that the hot air generated from the burner 11 is guided to the duct 12 to flow into the interior of the outer cylinder 9, while the other side is dried An outlet 13 for discharging the completed food waste FW is formed.

On the other hand, the inner cylinder 9 of the drying device 4 is installed coaxially with the outer cylinder 9 of a smaller diameter than the outer cylinder 9, the inner cylinder 6 The end portions of the outer cylinder body 9 protrude outward from both sides of the outer cylinder body 9, and the inner cylinder body 6 is rotatably installed about a horizontal center axis.

The horizontal rotation of the inner cylinder 6 is performed by a rotation driving force transmitted from the motor 14 installed on the support frame 10 of the drying apparatus 4, such a motor 14 and the inner cylinder ( Power transmission between the 6) is made through the power transmission means 15 of the belt or chain is installed between the rotating shaft pulley of the motor 14 and one protruding end of the inner cylinder (6).

Next, on the outer circumferential surface of the inner cylinder 6 installed inside the outer cylinder 9, the feed screw 16 for feeding the food waste FW to the cabbage 13 over the entire section and the food being transferred. Stirring pins 17 are provided to improve drying efficiency by performing stirring on the garbage FW.

Subsequently, the configuration of the deodorizer 7 with reference to FIG. 3 will be described in detail.

As shown, the deodorizing device 7 is installed outside one end of the inner cylinder 6, the deodorizing burner 18 to generate a flame into the inner cylinder 6, and inside the inner cylinder 6 It is provided in a plurality of places on the inner cylinder 6 on the cylindrical body and the outer cylinder 9 on the outer side of the glowing cylinder 19 which are installed and maintained at high temperature by the deodorizing burner 18, and the outer cylinder 9 and the inner cylinder ( 6) the discharge gas between the inner cylinder 6 is formed in a number of places to the gas inlet 20 to allow the discharge gas between the outer cylinder 9 and the inner cylinder 6 to be introduced into the inner cylinder (6). have. At this time, the glowing cylinder 19 is fixed to the inner cylinder 6 by the fixing bracket 21 is configured to rotate with the inner cylinder 6 during the rotation of the inner cylinder (6).

The inner and outer cylinders 6 and 9, the heat transfer cylinder 16, including the transfer screw 16 and the stirring pin 17, and the like are exposed to a high temperature, wet atmosphere, that is, a corrosion atmosphere, and thus have excellent corrosion resistance. For example, it is preferable to comprise a stainless material.

Next, a gas discharge device for discharging the exhaust gas flowing inside the inner cylinder 6 to the outside of the drying apparatus 4 is installed on the opposite end of the inner cylinder 6 in which the deodorizing burner 18 is installed. , For example, an exhaust fan.

In order to smoothly operate the exhaust device 8 and to properly flow the air inside the drying device 4, external air should be introduced into the drying device 4, as shown in FIG. 2. An outer air inlet hole 22 is formed on an outer circumferential surface of one end portion of the inner cylinder 6, and a damper 23 is installed outside the air inlet hole 22 so as to have a hole size of the air inlet hole 22. It is configured to make adjustments. At this time, the opening degree control of the air inlet hole 22 is achieved by changing the installation position of the damper 23 in which the through hole 23a is formed with respect to the air inlet hole 22.

In the figure, reference numeral 23b is a long hole formed in both ends of the damper 23, and 23c is a damper fastening bolt.

Looking at the process of processing the food waste using the food waste treatment apparatus of the present invention having the structure as described above in detail as follows.

First, when the crusher 2 is driven while the food waste to be processed is charged into the charging hopper 1, the food waste is crushed to a predetermined particle size in the course of passing through the crusher 2, and the slurry or dough is then changed according to its moisture content. It is crushed in a state to be collected into the reservoir (3).

In this case, the type of food waste to be crushed includes all kinds of food waste including residues, vegetables, rice cakes, seafood, bones, etc., as well as organic wastes discharged from various processed food factories.

However, in the case of metallic cutlery, the grinding blade of the grinder may be damaged, so if such metallic cutlery is included before inserting food waste into the hopper 1, it is necessary to remove it beforehand. .

Next, the food waste FW collected in the storage tank 2 is transferred from the storage tank 2 to the interior of the drying apparatus 4 by the inclined transfer device 5. That is, the food waste FW which is moved upward by the rotation of the rotating screw 5a in the inclined feeder 5 is formed on the outer cylinder 9 of the drying apparatus 4 (not shown). It is dropped through the bottom of the outer cylinder (9) inside.

With the charging of the food waste (FW) into the drying apparatus 4 as described above, the motor 14 for driving the inner cylinder 6 is operated to perform horizontal rotation of the inner cylinder 6 and the drying burner ( 11) and the deodorizing burner 18 operate and the exhaust device 8 installed at the other end of the inner cylinder 6 is operated so that the inside of the outer cylinder 9 is kept at a high temperature while the inner cylinder 6 is operated. Due to the rotation of the transfer screw 16 and the stirring action of the stirring pin 17, the food waste FW located on the bottom of the outer cylinder 9 moves to the outlet 13 on the right side while stirring and drying Proceed.

The flow of hot air by the drying burner 11 in the drying apparatus 4 of the present invention is generated from the drying burner 11 installed on one side of the bottom surface of the outer cylinder 9 as shown in FIG. The bottom surface of the outer cylinder 9 is introduced into the duct 12 formed along the longitudinal direction of the bottom of the outer cylinder 9 and flows into the outlet 12 forming portion side of the outer cylinder 9. The preheated food waste FW, which is primarily heated and accumulated on the bottom surface of the outer cylinder 9, is subsequently heated, and then the hot air introduced into the outlet 13 forming side of the outer cylinder 9 is disposed of as food waste ( Exhaust system which flows to the left side toward the inlet side of FW) and flows into the inner cylinder 13 through the gas inlet 20 of the inner cylinder 6 and is formed at the right end of the inner cylinder 6. You will be headed to (8).

Therefore, the food waste FW which is dried while moving to the right from the bottom surface of the outer cylinder 9 is generated from the drying burner 11 only in a state of avoiding direct contact with the flame generated from the drying burner 11. Drying is only performed by hot air from the drying burner 11 in a state of avoiding direct contact with the flame.

On the other hand, the distance between the outer end of the conveying screw 16 and the inner surface of the outer cylinder 9 for conveying the food waste (FW) is maintained, for example about 5mm by smooth rotation of the inner cylinder 6 and It is desirable to ensure that the proper transport of the food waste (FW) by the transfer screw 16 together.

Similarly, the stirring pin 17 also adjusts the length of the stirring pin 17 so that the gap between the outer end and the inner surface of the outer cylinder 9 is maintained as narrow as possible so that the stirring for the food waste (FW) is made to the maximum. There is a need.

In addition, the heating temperature by the drying burner 11 and the rotation speed of the inner cylinder 6 (that is, the rotation speed of the conveying screw) correspond to the type of food waste FW introduced into the drying apparatus 4. It is set differently depending on the type of food waste, which may be performed by automatic operation to be automatically driven by a pre-stored value according to the type of food waste, and in some cases may be manually adjusted.

Next, after drying the food waste (FW) while flowing the space between the outer cylinder 9 and the inner cylinder 6, the inner cylinder 6 through the gas inlet 20 of the inner cylinder 6 Exhaust gas introduced into the interior contains odors or odors generated from food waste (FW), and when this is immediately discharged to the outside of the drying apparatus 4, another pollution is generated. For deodorizing device 7 is provided inside the gas inlet 20 forming part of the inner cylinder (6).

That is, in the apparatus of the present invention, the deodorizing device 7 is installed inside the gas inlet 20 of the inner cylinder 6 so that the odor component contained in the exhaust gas can be removed. (20) Combustion and removal of odor components by contacting the exhaust gas introduced through the gas inlet 20 on the outer circumferential surface of the glowing cylinder 19 installed inside to maintain the heated state by the deodorizing burner 18. To make it happen.

정도가 유지되고 있음에 따라 내통체(6) 내부로 유입된 배기가스는 적열통체(19) 주위를 통과하는 과정에서 냄새성분의 제거가 이루어진 상태로 되어 배기장치(8)을 통해서 건조장치(4)의 외부로 배출된다.In other words, about 150 around the red cylinder 19 inside the inner cylinder 6, for example, about 150;

As the degree is maintained, the exhaust gas introduced into the inner cylinder 6 is in a state in which odor components are removed in the course of passing around the glowing cylinder 19, and the drying apparatus 4 is carried out through the exhaust apparatus 8. Discharged outside).

Meanwhile, in the present invention, an air inlet hole 22 is formed on the inner cylinder 9 to allow fresh external air to flow into the drying device 4, and the air inlet hole 22 is formed in the damper 23. Since the opening degree can be adjusted by this, the air flow inside the drying apparatus 4 can be made appropriately, and the exhaust apparatus 8 can be operated smoothly.

Food waste, which has been dried in the drying apparatus 4 and transferred to the outlet 12, is discharged to the outside of the drying apparatus 4 through the outlet 13 by gravity.

The food waste processed through the food waste treatment apparatus of the present invention as described above is a particle or powder state in which the moisture and odor components contained before the treatment are completely removed, and the volume thereof is drastically reduced so that raw materials of various feeds are themselves. And it can be recycled as a raw material of fertilizer.

In addition, the exhaust gas exiting through the exhaust device 8 of the food waste treating apparatus of the present invention is burned and removed in the process of passing through the deodorizer installed on the inner cylinder 6 as described above. Accordingly, there is an advantage that the problems caused by the generation of odors pointed out in the conventional incineration and fermentation food waste treatment apparatus is solved.

In addition, the food waste treatment apparatus of the present invention takes about one and a half hours based on 50Kg, but rapid processing is performed depending on the kind of time required from the input of the food waste to the final treatment to the final treatment. According to the conventional fermentation treatment device has a significantly improved advantage in terms of processing speed.

Claims (4)

The hopper 1, the crusher 2 for crushing the food waste supplied from the hopper 4 to a certain particle size, the storage tank 3 in which the crushed food waste is stored, and the crushed food waste in the storage tank 3 An inclination transfer device 5 for transferring the inside of the drying device 4, a drying device 4 composed of a transverse cylindrical body with both sides closed and drying food waste therein, and a drying device 4 Inner cylinder (6) which is installed rotatably coaxially in the inside of), and deodorizing device (7) and inner cylinder which are installed on one side of inner cylinder (6) to remove odor component in exhaust gas Food waste treatment apparatus, characterized in that consisting of an exhaust device (8) installed on the other end of the. According to claim 1, wherein the drying device (4) consists of a cylindrical outer cylinder (9) and the inner cylinder 6 is installed coaxially therein, wherein the outer cylinder (9) is a duct (outside the bottom one side) 12 is provided with a drying burner 11 which is guided to supply the hot air into the outer cylinder 9, while the other side is provided with an outlet 13 for discharging the food waste having been dried. Waste disposal device. The inner cylinder (6) according to claim 1 or 2, the inner cylinder (6) on the outer peripheral surface of the conveying screw 16 for conveying the food waste to the outlet (13) side and a plurality of stirring pins for stirring the food waste during transport ( 17) food waste treatment apparatus, characterized in that formed. The deodorizing apparatus (7) according to claim 1 or 2, wherein the deodorizing apparatus (7) is provided outside one end of the inner cylinder (6) and has a deodorizing burner (18) for generating a flame into the inner cylinder (6), and the inner cylinder ( 6) It is formed in a number of places on the inner cylinder (6) and the inside of the outer cylinder (9) outside the red heat cylinder (19) and the inside of the outer cylinder (9) inside the red heat cylinder (19) which is maintained inside and maintains a high temperature state by the deodorizing burner (18). Food waste treatment apparatus, characterized in that consisting of a gas inlet 20 to allow the discharge gas different from the cylinder (6) to be introduced into the inner cylinder (6).

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