JP2009172457A - Garbage sorting and treating system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a garbage sorting and treating system capable of effectively composting garbage while eliminating labor and time of separating the garbage from its container or collection bag, thereby effectively utilizing the garbage as recycled resources. <P>SOLUTION: The garbage sorting and treating system includes a garbage sorting device 1 separating garbage D charged therein in a contained state in a plastic container or a collection bag from the plastic container or collection bag, and a fermentation tank 8 fermenting the garbage D separated by the garbage sorting device 1. The garbage sorting device 1 includes rotary blades 2d crushing the charged garbage D together with the plastic container and blowing away the crushed plastic pieces by the whirlwind, a screw conveyer 3 removing moisture of the garbage D and conveying it, and conveyers 4, 5 charging the garbage D into the fermentation tank 8. An agitation device 6 having an agitation screw 7 raising the garbage D accumulated on the bottom of the fermentation tank 8 and dispersingly dropping is provided in the fermentation tank 8. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a garbage processing apparatus used for fermenting so-called garbage such as food waste and composting it, and more particularly, to a garbage processing system for processing while separating garbage and its storage container. Is.

  Conventionally, in the treatment of organic waste such as garbage, many methods have been employed in which microorganisms are added to the waste and subjected to fermentation and composting. In this fermentation treatment method using microorganisms, organic matter is fermented and decomposed by microorganisms, and then transformed into organic fertilizers mainly composed of uniform low-molecular compounds. As this kind of garbage processing equipment, a container with an open bottom is buried in the ground, fermenting bacteria are added, housed garbage is accommodated and fermented, and a pulverizer, fermenter is installed. Various types of industrial large-sized garbage processing apparatuses are known.

  For this reason, professional processing personnel are required. For example, in establishments that produce large amounts of garbage such as lunch centers and restaurants, the equipment and running costs are too high to install and self-process such devices. There is a point. Therefore, facilities that generate a large amount of garbage generally rely on specialized processors, but in recent years, with the decrease in these processors, it has become difficult to perform prompt processing. .

  Therefore, for example, an apparatus for separating raw garbage packed in a storage bag (see Patent Document 1). Similarly, a garbage separation composting system has been proposed that includes an apparatus for separating raw garbage packed in a storage bag and a compost generation apparatus for fermenting the sorted raw garbage to generate compost (patent). Reference 2).

JP 2003-24922 A JP 2006-232588 A

  By the way, garbage, such as a commercial lunch box, contained in a plastic container is separated and collected from a lunch container, which is an incombustible material, and leftover food, which is combustible garbage, and then subjected to the above-described composting treatment. However, the separation requires not only a great amount of human labor, but it is difficult to completely separate the garbage, and there is a problem that foreign matter such as plastic containers or collection bags are mixed in the garbage. is there. The present invention has been made in view of the above problems, and it is an object of the present invention to provide a garbage separation processing system that saves the trouble of separating garbage from its storage container, effectively composts and effectively uses it as a resource. .

  The present invention that solves the above-mentioned problems is a garbage separation device that separates raw garbage that is put in a plastic container or a collection bag from the plastic container or the collection bag, and the garbage separation device that separates the garbage. In the garbage separation processing system comprising a fermentation treatment tank for fermenting raw garbage, the garbage separation device crushes the input garbage together with the plastic container, and whirls the crushed plastic pieces. A rotary vane that is blown off and discharged, a screw conveyor that transports the garbage while removing moisture, and a conveyor that feeds the garbage into the fermentation treatment tank. A first feature is that a stirrer provided with a stirring screw for raising and dispersing and dropping dust is provided. A second feature is that a deodorization tank is provided for sucking and deodorizing the odor generated in the fermentation treatment tank. Furthermore, the third feature is to blow warm air from below the stirring screw.

  By storing a suitable amount of a carrier such as sawdust seeded with fermentation microorganisms in advance in the fermentation treatment tank as a fungus bed, the garbage disposed in the fermentation treatment tank is decomposed by the fermentation microorganisms and composted. In the present invention, after throwing in the garbage, by operating the stirring screw for a predetermined time, the garbage brought into the fermentation tank is pumped into the stirring cylinder, and during the feeding, some of the garbage is put on the peripheral wall of the stirring cylinder. The garbage which is crushed by being pushed out from the formed slit for pulverization and reaches the upper part in the stirring cylinder is pushed out from the upper opening. The raw garbage pushed out from the crushing slit and the upper opening is dispersed and falls into the fermentation tank again, and in the process, the raw garbage is sufficiently crushed and stirred and transpiration of moisture, moisture, The oxygen concentration and size are appropriately adjusted, optimal fermentation treatment conditions by microorganisms are obtained, and fermentation treatment is performed efficiently.

The present invention has the following special effects.
(1) The labor of separating garbage from its storage container can be saved, and human labor can be reduced.
(2) Garbage is thoroughly stirred and pulverized and transpiration of water is performed in the fermentation tank, and the moisture, oxygen concentration, and size are adjusted appropriately. The fermentation process is performed efficiently.
(3) Since the warm air is well mixed with the garbage in the fermentation tank by the stirring screw, the fermentation is promoted.
(4) It is suitable for a narrow installation space, and there are few structural members of the whole apparatus, and it can be constructed economically and easily.

Hereinafter, embodiments of the present invention will be described based on examples shown in the drawings.
FIG. 1 is a front view schematically showing a garbage separation processing system according to the present invention, and FIG. 2 is a front view of a main part showing a stirring screw of a stirring device.

  In the figure, reference numeral 1 denotes a garbage separation apparatus, which includes a crusher 2 and a conveying screw conveyor 3. The crusher 2 is provided with, for example, an input port 2a through which the raw garbage D stored in a plastic container or packaging bag is placed, and a plurality of rotary blades 2d that crush the plastic container or packaging bag together. The rotating blade 2d is swirled by the crushing motor 24, and a lightweight plastic container or a crushed piece of the packaging bag is blown off from the incombustible discharge port 2b to the compressor (not shown) and discharged. To do. In addition, the plastic container and the crushing piece of the packaging bag which were compressed into arbitrary lump shape with the compressor are periodically packed and collected and processed for industrial waste. In the figure, reference numeral 1a denotes a safety shutter for the insertion port 2a.

  A punching metal 2c is provided at the bottom of the crusher 2, and only the garbage (food residue) D is pushed out from a plurality of holes of the punching metal 2c and is rotated by the conveyor motor 11 on the conveying screw conveyor 3 Have been to fall into. Further, the garbage D that has fallen on the conveying screw conveyor 3 is conveyed to the upper end of the fermentation treatment tank 8 by being conveyed to the lower end of the ascending conveyor 4 while moisture is removed, and the garbage input conveyor 5 that is rotated by the conveyor motor 13. Through the fermentation treatment tank 8.

  The fermentation treatment tank 8 is installed in a fermentation treatment chamber 25 that is airtightly partitioned by a partition wall 22, and an air supply pipe 8 a through which the warm air A is supplied from the blower 12 is provided on the bottom surface thereof and is stored therein. An agitator 6 for agitating the raw garbage D is provided. The stirring device 6 includes a stirring screw 7 provided with a plurality of stirring blades 7 b extending to the bottom of the fermentation processing tank 8, and a drive shaft 7 a of the stirring screw 7 is a stirring motor 9 installed at the top of the fermentation processing tank 8. The food waste D accumulated in the fermentation treatment tank 8 can be agitated. The drive shaft 7a is hollow and can take in the outside air, and the outside air is ejected from an air outlet 7c formed at the lower end to promote fermentation. In addition, a suitable amount of a carrier such as sawdust previously seeded with fermentation microorganisms is stored in the fermentation treatment tank 8 as a fungus bed.

  Further, the odor generated from the fermentation treatment tank 8 is sucked into the ceramic baking type deodorization tank 15 through the odor suction pipe 17 and deodorized, and then discharged into the atmosphere. In the figure, 16 is a kerosene burner, 14, 18 and 19 are blowers, and 20 and 21 are valves.

  The garbage D that has been transported and accumulated in the fermentation treatment tank 8 is repeatedly raised and dropped by the stirring screw 7 many times, so that sufficient pulverization, stirring, and transpiration of moisture are performed, and the moisture, oxygen concentration, and size are reduced. Is moderately adjusted, optimal fermentation treatment conditions with microorganisms are obtained, and fermentation treatment is efficiently performed and composted. The processed garbage that has been fermented and composted is discharged from the compost outlet 10 to the outside every predetermined period.

It is a front view which shows typically the garbage separation processing system which concerns on this invention. It is a principal part front view which shows the stirring screw of a stirring apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Garbage separation apparatus 2 Crusher 2a Input port 2b Incombustible material discharge port 2c Punching metal 2d Rotary blade 3 Conveyor screw conveyor 3a Screw conveyor drive shaft 4 Lift conveyor 5 Garbage input conveyor 6 Stirrer 7 Stir screw 7a Stir screw Drive shaft 7b Stirring blade 7c Air outlet 8 Fermentation processing tank 8a Air supply pipe 9 Conveyor motor 10 Composting outlet 11 Conveyor motor 12 Blower 13 with heater 13 Conveyor motor 14 Blower 15 Deodorizing tank 16 Kerosene burner 17 Odor suction pipe 18 Blower 19 Blower 20 Valve 21 Valve 22 Bulkhead 23 Control panel 24 Crushing motor 25 Fermentation processing room D Garbage A Hot air

Claims (3)

A garbage separation device for separating raw garbage input in a plastic container or a collection bag from the plastic container or the collection bag, and a fermentation process for fermenting the raw garbage separated by the garbage separation device. In the garbage separation processing system comprising a tank, the garbage separation device crushes the input garbage together with the plastic container, and at the same time, a rotating blade that blows and discharges the crushed plastic piece with its whirlwind , A screw conveyor that conveys the garbage while removing the moisture, and a conveyor that feeds the garbage into the fermentation treatment tank, and agitating screw that raises and drops the garbage deposited in the fermentation treatment tank The garbage separation processing system characterized by providing the stirring apparatus provided with. The garbage separation processing system according to claim 1, further comprising a deodorization tank that sucks and deodorizes the odor generated in the fermentation tank. The garbage separation processing system according to claim 1 or 2, wherein warm air is blown from below the stirring screw.

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