KR20040100782A - A extinguish system of food dust and an apparauts - Google Patents

Abstract

PURPOSE: To provide a food waste disposing system which effectively removes odor generated while food waste is being fermented, improves a pump for transferring pulverized food waste to prevent damage of the pump during pressing of food waste and improve transfer efficiency of food waste and well stirs food waste inputted into a decomposition tank. CONSTITUTION: In a food waste disposing system for fermenting and decomposing food waste in a decomposition tank (28) after transferring, sorting and pulverizing food waste, the food waste disposing system comprises an injection unit (22) for injecting the food waste into the decomposition tank using a plural transfer cylinders alternately operated; a track type agitator (50) reciprocated on reciprocating rails (56) installed on the decomposition tank to free drop the pulled up food waste (54) and microbial chips (52) by pulling up food waste and microbial chips filled in the decomposition tank; and a odor removing part for taking in gases generated during fermentation of food waste in the decomposition tank, condensing the taken gases to discharge waste, removing malodor from the waste removed gas in a purification tank (96), and then flowing the odor removed gas into the decomposition tank again.

Description

Food waste disposal system and apparatus {A EXTINGUISH SYSTEM OF FOOD DUST AND AN APPARAUTS}

The present invention relates to a food waste disposal system, and more particularly, to a food waste disposal system that completely decomposes and destroys food waste.

Food waste is increasing every year, and other economic losses and environmental pollution are becoming social problems in food processing. The best way to solve this problem is to reduce the amount of food waste, which is fundamentally due to reduced emissions or because of our dietary culture that is tame in traditional eating habits.

There is a social restriction on the disposal of such food waste, that is, it is prohibited by law to landfill as it can acidify the soil due to the high salinity of the food waste itself.

In recent years, the method of recycling food waste to feed has also been improved. However, all farms are avoiding the feed animals due to various diseases. Therefore, methods for efficiently treating food waste have been studied in various ways, and methods of crushing food waste to ferment or drying it to fertilizer or compost are widely known.

Among these methods, composting is difficult to use as compost without decomposing various detergents, plastics, metals, shellfish and vinyl contained in excessive salt and food waste, and it is also difficult to sort out these foreign substances. .

In view of these considerations, Korean Patent Publication No. 10-230519 discloses food waste treatment that makes organic materials composing food wastes under a controllable optimal condition to be compostable stably through a biological fermentation process. Apparatus and method thereof are described, and Republic of Korea Patent Publication No. 10-237319 discloses a spiral screw two-stirrer, stirred fermenter or ventilated by adding a moisture control agent mixed with fly ash, wood flour and chaff to food waste It is described a complex soil improver prepared by adding a fermenter to dry stabilization after aerobic high temperature fermentation.

However, the apparatus and methods as described above may achieve a certain purpose in the treatment of food waste, but there is no specific configuration for removing the odor generated during the fermentation of food waste. There is a problem that contamination occurs.

In addition, among other kinds of food waste treatment devices, pumps are used to transfer the crushed food waste to the extinguishing tank. Among the crushed food wastes, rubber packing is used between the piston and the cylinder for compressing the food waste. If the rubber packing is damaged due to sharp bone fragments or plastic foreign matters, there is a problem that the pump is broken.

And the food waste put into the extinction tank is a fermentation is made while the stirring proceeds by the usual stirring device, there is a problem that the stirring device does not stir the entire annihilation tank.

The present invention has been proposed to solve such a conventional problem, to provide a food waste processing system that can effectively remove the odor generated during the process of food waste fermentation.

In another aspect, the present invention to improve the pump used to transport the crushed food waste to provide a food waste treatment system to prevent damage to the pump during compression of the food waste and improve the transport efficiency.

In addition, to provide a food waste disposal system configured to be stirred well food waste introduced into the extinction tank.

1 is a block diagram showing a processing system according to the present invention,

2 is a plan view showing a pump that is a main configuration of a treatment system according to the present invention,

3 is a side view of the pump of FIG.

4 is a plan view for explaining the movement path of the orbital agitator of the treatment system according to the present invention.

In order to achieve the above technical problem, the present invention uses a plurality of transfer cylinders operated alternately in a food waste processing system in which food waste is transferred, sorted, pulverized and extinguished into a fermentation tank to enable fermentation and extinction. An input device for introducing the food waste into the extinguishing tank; An orbital stirrer which reciprocates orbits on the reciprocating rail installed in the extinguishing tank and pulls the food waste and microbial chips filled in the extinguishing tank upward to free fall; And after blowing the gas generated during the fermentation of food waste in the extinction tank, the condensed gas is discharged to discharge the moisture, the odor is removed to remove the odor from the septic tank, the water is removed, and then flows back into the extinguishing tank Contains wealth.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram showing a food waste treatment system.

The present invention removes the odor by combining the transport unit for transporting, sorting, crushing and injecting the food waste, the extinction unit for fermenting and extinguishing the food waste transported from the transport unit, and the gas generated in the process of fermentation extinction It includes a malodor removing unit.

The transfer unit includes an input hopper 10 into which food waste is input, a feed screw conveyor 12 for transferring food waste introduced into the input hopper 10, and a screw press 14 to remove moisture contained in the transferred food waste. ), A sorting conveyor 16 for sorting out foreign matters from the dehydrated food waste, a shredder 18 for reducing particles of food waste from which foreign matters have been removed, and a storage tank for temporarily storing the crushed food waste. And an input device 22 for transporting food waste.

Here, referring to the input device 22 with reference to FIGS. 2 and 3, the input device 22 forms a hydraulic pressure using a hydraulic pump operated by a motor 24, and the generated hydraulic pressure is applied to the operation of the solenoid valve. Accordingly, the plurality of cylinders 26a and 26b are supplied into the plurality of transfer cylinders 26a and 26b so that the plurality of cylinders 26a and 26b are alternately operated.

The inlet device 22 is installed in the extinguishing tank 28 of the extinction section described later, the induction pipe 34 and the induction pipe 34 in which a plurality of inlets 30a and 30b and a plurality of outlets 32a and 32b are formed. A plurality of valve cylinders 36a and 36b installed in the pipe to guide the inflow and discharge of food waste, a plurality of transfer cylinders 26a and 26b coupled to the induction pipe 34 to compress the food waste introduced, and hydraulic pressure. It consists of a motor 24 for formation.

Here, the induction pipe 34 has a pair of inlets 30a and 30b and outlets 32a and 32b on one side and the other side, respectively, with an intermediate partition 38 interposed therebetween. Inlets 30a and 30b are formed on opposite sides of the upper portion, and outlets 32a and 32b are formed on opposite sides of the lower portion, and inside the inlets 30a and 30b and the outlets 32a and 32b which will be described later. An upper seating jaw 40 and a lower seating jaw 42 in which the valve cone of the valve cylinder is seated are formed.

The valve cones 44a and 44b seated on the upper seating jaw 40 and the lower seating jaw 42 according to the inflow and discharge are cylinders of a plurality of valve cylinders 36a and 36b installed on the upper portion of the induction pipe 34. Installed at the end of the load.

The hydraulic pressure is caused by the operation of the hydraulic pump by the rotation of the motor 24, is formed by the air pressure formed in accordance with the operation of the hydraulic pump.

And the extinction unit is composed of an extinction tank 28 for fermenting and extinguish the transferred food waste, and orbital agitator 50 for stirring the food waste and microbial chip (bio chip) installed inside the extinction tank 28.

The extinction tank 28 is filled with microbial chips in the inner bottom. The microbial chip 52 is composed of sawdust, microorganisms that can survive the thicker than the chips, cocot, chaff, ceramic stone, etc., to completely decompose and destroy food waste.

The orbital stirrer 50 installed in the quench tank 28 reciprocates on the reciprocating rail 56 installed in the quench tank 28 and at the same time, the food waste 54 and the microbial chip 52 filled in the quench tank 28. ) Is stirred.

The orbital stirrer 50 includes a frame 60 provided with a plurality of rollers 58 clouded from the reciprocating rail 56, a circular rail 62 provided on the frame 60, and a circular rail 62. Mounting roller 66 is installed in the lower portion of the rotary roller 64 is clouded at the bottom, and the rotary motor for rotating the plurality of rotary roller 64 is installed in the center of the mounting base 66 is connected via a chain ( 65 and the stationary motor 68 mounted on the mounting table 66 so that the orbital stirrer 50 reciprocates in the reciprocating rail 56 by rotating the plurality of rollers 58, and the mounting table 66. It consists of the traction conveyor 70 provided above and the positioning cylinder 72 which adjusts the arrangement angle of the traction conveyor 70. As shown in FIG.

The traction conveyor 70 rotates by the drive motor 74 to pull the food waste 54 and the microbial chip 52 to the top to free fall.

The odor removing unit is installed on the inner upper portion of the extinguishing tank 28 to blow gas generated during fermentation of the food waste 54, and then condenses the blown gas to discharge moisture, and removes the water from the septic tank. After the removal, it is introduced to the quench tank 28 again.

The odor removing unit installs a blowing hood 82 for blowing gas into the upper portion of the quench tank 28, and connects the dust removing cyclone 84 to the blowing hood 82 to form fine dust contained in the gas. Remove it.

At this time, the generated water is discharged to the outside through the water treatment device 86 or recycled elsewhere.

The gas that has passed through the cyclone 84 passes through the condenser 90 of the cooling device 88 to remove even condensed water that is not removed and flows into the water processor 86 through the drain tank 92.

In addition, the gas introduced into the drain tank 92 together with the water is introduced into the septic tank 96 by the forced blowing fan 94, and the septic tank 96 supplies a gas supply nozzle 98 to supply the gas to the inner upper portion. ) Is installed, and a plurality of mat filters 100 are disposed in a vertical direction under the gas supply nozzle 98.

A plurality of mat filter 100 is aerobic, thermophilic composite microorganisms are supported so that the odor is removed by the microorganisms in the process of gas passing through the mat filter.

The mat filter 100 is a structure in which a bulky carrier such as activated carbon is filled in a mat of straw, and microorganisms are supported in the carrier.

The gas from which the odor is removed through the purification tank 96 is supplied to the lower portion of the extinguishing tank 28 through the forced blowing fan 102. A plurality of nozzles 104 for supplying air to the lower portion of the quench tank 28 is installed in the quench tank 28.

The processing system according to the present invention configured as described above has the following effects.

When the food waste 54 is first supplied to the feeding hopper 10, the food waste 54 is moved to the screw press 14 through the feed screw conveyor 12, and the food waste 54 from which the water is removed from the screw press 14 is sorted. As it is conveyed through the conveyor 16, the plastic, vinyl, metals, shellfish, etc. are selected.

The food waste 54 in which foreign matters are sorted is finely pulverized in the grinder 18 and then introduced into the induction pipe 34 through the plurality of inlets 30a and 30b.

At this time, the food waste 54 is transferred to the extinguishing tank 28 through the following process.

First, the hydraulic pump operates according to the operation of the motor 24 to operate the plurality of transfer cylinders 26a and 26b and the plurality of valve cylinders 36a and 36b.

At this time, when the first transfer cylinder 26a is advanced among the plurality of transfer cylinders 26a and 26b, the second transfer cylinder 26b is moved backward, and thus, the first valve cylinder among the plurality of valve cylinders 36a and 36b. The 36a is reduced and seated on the upper seating jaw 40, and the second valve cylinder 36b is extended and seated on the lower seating jaw 42.

On the contrary, when the first transfer cylinder 26a moves backward, the second transfer cylinder 26b moves forward, and the first valve cylinder 36a extends so that the first valve cone 44a rests on the lower seating jaw 42 The two-valve cylinder 36b is reduced so that the second valve cone 44b is seated on the upper seating jaw 40.

When the first transfer cylinder 26a is retracted in the above-described process, the food waste 54 passes through the induction pipe 34 through the inlet pipe 34 while the inside of the induction pipe 34 is maintained in a vacuum. The food waste 54 introduced into the inside of the 26a is passed through the outlet 32a through the outlet 32a according to the advancement of the first transfer cylinder 26a and the reduction of the first valve cylinder 36a. Flows inside.

As the first transfer cylinder 26a and the second transfer cylinder 26b operate alternately, a large amount of food waste 54 can be quickly supplied into the quench tank 28.

When the food waste 54 is supplied to the extinction tank 28, as shown in Figure 4, the orbital stirrer 50 is operated, the stationary motor 68 is operated to hit the frame 60 from one side To the side. At this time, the drive motor 74 is operated to operate the traction conveyor 70. The traction conveyor 70 rotates and pulls the food waste 54 and the microbial chip 52 filled in the interior of the extinction tank 28 to the upper portion, and the food waste 54 and the microbial chip 52 towed to the top. ) Again falls freely from top to bottom.

And when the orbital stirrer 50 arrives at the other side, the rotary motor 65 is operated so that the mounting table 66 is rotated on the circular rail 62. When the rotation operation is completed, the forward and reverse motor 68 is operated again to move the frame 60 from one side to the other. When the orbital stirrer 50 moves to one side, the orbital stirrer 50 continues the orbital movement during stirring as described above.

When agitation and fermentation are repeatedly performed in the extinction tank 28, gas is generated. Purified air is supplied through the nozzle 104 by the forced blowing fan 102, and the blowing hood 82 is applied. Blown gas flows into the malodor removing unit.

The gas introduced into the dust removing cyclone 84 through the blowing hood 82 is removed through the dust removing cyclone 84 to remove fine dust, and the generated water is discharged to the outside through the water processor 86 or Recycled elsewhere

The gas that has passed through the cyclone 84 is condensed through the condenser 90 of the cooling device to remove even unremoved water and enter the water processor 86 through the drain tank 92.

The gas introduced into the drain tank 92 together with the water is introduced into the septic tank 96 by the forced blowing fan 94, and the introduced gas is deodorized by the microorganisms while passing through the mat filter 100.

The deodorized gas is supplied into the quench tank 28 through the forced blowing fan 102 and the nozzle 104 installed under the quench tank 28.

As described above, according to the present invention, it is possible to effectively prevent the odor generated in the extinction tank by using a septic tank to prevent environmental pollution due to the odor.

In addition, the food waste is transported by using the input device proposed in the present invention, thereby preventing the pump from being damaged when compressing the food waste, and transporting the food waste by supplying the food waste to the extinguishing tank by using a plurality of transfer cylinders. Efficiency is improved.

In addition, the food waste introduced into the extinguishing tank by the orbital stirrer is agitated in a solid state so that the fermentation and extinction process of the food waste proceeds smoothly.

Claims (15)

In the food waste treatment system in which food waste is transported, sorted, crushed, and put into an extinction tank so as to be fermented and extinguished, and then fermented and extinguished. And a feeding device for feeding the food waste into the quench tank using a plurality of transfer cylinders that are alternately operated. According to claim 1, wherein the input device, the induction pipe formed with a plurality of inlets and a plurality of outlets, a plurality of valve cylinders installed in the induction pipe to guide the inflow and discharge of food waste, and coupled to the induction pipe And a plurality of transfer cylinders for compressing the introduced food waste. The food waste treatment system of claim 2, wherein the induction pipe has a pair of inlets and outlets on one side and the other side, respectively, with an intermediate partition interposed therebetween. According to claim 3, wherein the inlet is formed on both sides of the upper side of the induction pipe, the outlet is formed on both sides of the lower side, the inlet and the inside of the outlet is fixed to the rod end by the cylinder of the plurality of valve cylinders Food waste disposal system, characterized in that the upper seating jaw and the lower seating jaw is seated to the valve cone. In the food waste treatment system in which food waste is transported, sorted, crushed, and put into an extinction tank so as to be fermented and extinguished, and then fermented and extinguished. And an orbital stirrer for reciprocating orbiting the reciprocating rails installed in the extinguishing tank and simultaneously freely dropping the food waste and microbial chips filled in the extinguishing tank upwardly. The orbital stirrer of claim 5, wherein A frame provided with a plurality of rollers clouded from the reciprocating rail, a circular rail provided on the frame, a plurality of rotating rollers clouded from the circular rail, and a mounting base installed at a lower portion thereof, A rotating motor for rotating the plurality of rotating rollers connected through the chain, a stationary motor installed on the mounting table and rotating the plurality of rollers so that the orbital stirrer reciprocates in the reciprocating rail, and installed on the mounting table. And a traction conveyor, and a positioning cylinder for adjusting an arrangement angle of the traction conveyor. 7. The food waste treatment system of claim 6, wherein the towing conveyor rotates by a driving motor to pull food waste and microbial chips upwards to freely drop them. The food and drink according to any one of claims 5 to 7, wherein the microbial chip is mixed with at least one selected from among sawdust, cowpoin chips, coco peat, rice hulls and ceramic stones, which microorganisms can survive. Garbage disposal system. In the food waste treatment system in which food waste is transported, sorted, crushed, and put into an extinction tank so as to be fermented and extinguished, and then fermented and extinguished. After injecting the gas generated during the fermentation of food waste in the extinction tank, the condensed gas is condensed to discharge moisture, and the odor removal unit for removing the odor from the septic tank after removing the gas from the water is removed. Food waste treatment system comprising a. The method of claim 9, wherein the septic tank, And a gas supply nozzle for supplying gas to an inner upper portion, and a plurality of mat filters carrying aerobic and thermophilic microorganisms are arranged in a vertical direction under the gas supply nozzle. The food waste treatment system according to claim 10, wherein the mat filter has a structure in which a carrier having a plurality of microcavities in which microorganisms are supported is filled on a mat of straw. The dust of claim 9, wherein the odor removing unit blows a gas installed in the extinguishing tank and a dust connected to the blowing hood to remove fine dust contained in the gas. A water treatment unit connected to the removal cyclone, the dust removal cyclone to release moisture generated when the fine branch is removed to the outside, and the moisture generated by cooling the gas passed through the dust removal cyclone with a condenser and storing the water And a forced blower fan connected to the drain tank and forcibly blowing gas not condensed to the septic tank to the drain tank. 13. The food waste treatment system of claim 12, further comprising a nozzle connected to the septic tank and installed in the septic tank to send purified air to the septic tank. In the food waste treatment system in which food waste is transported, sorted, crushed, and put into an extinction tank so as to be fermented and extinguished, and then fermented and extinguished. A feeding device for feeding the food waste into the extinguishing tank by using a plurality of transfer cylinders operated alternately; An orbital stirrer which reciprocates orbits on the reciprocating rail installed in the extinguishing tank and pulls the food waste and microbial chips filled in the extinguishing tank upward to free fall; And After the gas generated during the fermentation of food waste in the extinguishing tank is blown out, condensed gas is discharged to discharge water, and the odor removal unit which removes the odor from the septic tank after removing the water is removed, and then flows back into the extinguishing tank. Food waste treatment system comprising a. A frame having a plurality of rollers clouded from the reciprocating rail at the lower part, a circular rail provided at the frame, a mounting table having a plurality of rotating rollers clouded from the circular rail at the lower part, and a chain installed at the center of the mounting table A rotating motor for rotating the plurality of rotary rollers connected through the stationary motor, a stationary motor installed on the mount to rotate the plurality of rollers so that the orbital stirrer reciprocates in the reciprocating rail, and a towing installed on the mount. An orbital stirring device for use in the food waste disposal system according to claim 1, characterized by comprising a conveyor and a positioning cylinder for adjusting an arrangement angle of the traction conveyor.