KR20100101469A - Feed production method using garbage - Google Patents

Abstract

PURPOSE: A method for manufacturing feed using food wastes is provided to minimize feed processing costs, to improve the quality of the feed by perfectly removing metal and nonmetal foreign materials from the feed, and to departmentalize the feed by a size. CONSTITUTION: A method for manufacturing feed using food wastes comprises: a step(10) of removing metal included in the food wastes and naturally dehydrating the food wastes; a step(20) of unsealing plastic packing of the food wastes and firstly crushing the food wastes; a step(30) of compressing and dehydrating discharged water and salt of the discharged water; a step(40) of secondarily crushing the food wastes, discharging nonmetal foreign materials, and discharging the secondarily crushed food wastes; a step(50) of storing the discharged food wastes; simultaneously performing a drying process and a sterilizing process at 80°C or more for 30 minutes or more; a step(60) of drying the food wastes and discharging the food wastes having a predetermined size; a step(80) of pulverizing the food wastes to have the predetermined size or a smaller size and discharging the pulverized food wastes; a step(90) of assorting the food wastes by a size; a step(100) of making the food wastes into the feed through an aging process and a fermenting process; and a step(110) of packing and the food waste feed as a size.

Description

Feed production method using garbage

The present invention is to feed the food waste, and more particularly relates to a feed production method using the food waste for feed food waste.

Food wastes emitted from restaurants and homes are not only mixed with various foreign matters, but also contain excessive salts for the taste of the food itself, so in order to recycle them into useful resources such as compost and feed, it is necessary to remove foreign matters and salts. It must go through sterilization and fermentation.

Accordingly, the present applicant has filed a patent application for the recycling of food waste into feeds in Korea and has been granted a patent as No. 0478006 (Feed using remaining food and its manufacturing method).

The applicant of the present invention is a feed manufacturing method using the remaining food, the screening step of collecting the remaining food to filter foreign matter by hand and magnet; A first grinding and a second grinding to cut the remaining foods supplied in the sorting step to a predetermined size or less; A sterilization step of erasing bacteria by indirectly heating the remaining food supplied in the grinding step for 20 to 40 minutes with steam at 80 to 160 ° C .; Primary fermentation, repeated stirring a plurality of times in a primary fermenter, and kept for 1 to 2 hours while maintaining 40 ~ 80 ℃ to easily separate the foreign matter such as salt and flavor foods of the remaining foods supplied in the sterilization step Steps; The remaining foods supplied in the first fermentation step are dehydrated by desalination by washing water in a desalination machine, anion and ultrasonic radiation, and bubble generation, followed by stirring by a centrifuge to dehydrate water in which salts and flavors are dissolved. A salt removal step of separating salts from the remaining food; Secondary fermentation of the remaining food supplied in the salt removal step by mixing with a blower, a temperature control device and a screw in a secondary fermentation tank installed for 1 hour with a screw and then maintained for 40 to 60 ℃ for 4 to 12 hours Steps; A ripening step of ripening for 2 to 5 days by exposing the remaining foods supplied in the second fermentation step to the air; 30 to 60% by weight of the leftover food and the soybean meal and corn powder, rice bran, rice bran, nutrient containing 40 to 70% by weight of grain feed is mixed; Forming the compound supplied in the compounding step into a solid having a predetermined shape and size; A drying step of drying the feed of the solid body supplied in the molding step at a moisture content of 13% or less by the far infrared emitter while maintaining a temperature of 20 to 40 ° C. in a dryer equipped with a far infrared emitter; And a packing step of sealing the feed of the solid material supplied in the drying step in a packing material of a constant capacity.

However, the above-mentioned registered patent

(1) The problem of deterioration of feed quality due to the incomplete removal of foreign substances because the foreign substances were removed only by the sorting means equipped with a conveyor belt for manual work in the early stage of feed and the magnet pulley for removing metal materials. There is this.

(2) In the sterilization and drying stages, sterilization and drying are performed separately by using a sterilizer to eradicate germs of food waste by high-temperature steam indirect heating, and a dryer drying by high temperature and far infrared rays, and the desalination unit in the salt removal step It is composed of a decomposition tank body equipped with a filtering part, a valve, an anion generator, a bubble generator, and an ultrasonic generator, a nozzle for spraying the washing water on the remaining food, a dispersion bar for stirring the remaining food and the washing water, a rotating shaft, and a motor. A salt decomposition tank including agitation means; Since the drum and the motor is separated by a centrifuge for separating the remaining food and the washing water, the apparatus is quite complicated and accordingly the price is high, thus causing a problem of costly feed processing.

(3) Because the washing water is used in the sterilizer and the salt remover in the sterilization and desalination stages, the water content of food waste increases, so it takes a long time to dry in the dryer, and in the first fermentation stage during the feed manufacturing process. The fermentation broth is added to the fermentation tank and stirred for 1-2 hours at a constant temperature.In the second fermentation stage, oxygen is supplied to the secondary fermenter at a constant temperature, stirred and stored for 4-12 hours. There is a problem that takes a long time to prepare a feed because it takes a long time to mature 2-5 days of exposure.

(4) There is a problem in that the powder feed is produced in pellets or other shapes by a molding machine in the forming step, and each molding machine needs to be manufactured according to the shape. There is a problem that cannot be manufactured.

The present invention is to improve in consideration of the above-mentioned conventional problems, to provide a feed production method using food waste to improve the quality of feed, minimize the processing cost of feed, and to feed the feed by segmentation by size of use. Has its purpose.

The object of the present invention described above is a metal removal and effluent natural dehydration process for metal removal and natural dehydration while transporting and discharging food waste; A primary shredding and shredding step of encapsulating the plastic packaging of the food waste discharged from the metal removal and effluent natural dewatering process, and crushing and discharging the food waste first; A forced forced dehydration process of compressing and forcedly dewatering the effluent and the salt contained in the effluent, which are discharged from the first crushing and crushing process and transported into the food waste; Secondary shredding and nonmetallic wastes are discharged from the compressed forced dehydration process to secondary shredding of food wastes transported and transported, and to discharge non-metallic foreign substances including vinyl contained in the food wastes to the outside, and to discharge secondary shredded food wastes. Flow sorting process; A storage step of storing food waste discharged from the secondary crushing and non-metal sorting process and transported; A dry sterilization step of simultaneously discharging and sterilizing the food wastes quantitatively discharged from the storage factory and retained for at least 30 minutes at 80 ° C. or higher; A cooling drying step of cooling and drying the food waste discharged from the dry sterilization process and discharging the food waste to a predetermined size or less; A pulverizing step of pulverizing and discharging food waste discharged from the cooling and drying process to a predetermined size or less; A feed sorting process for sorting and discharging food wastes discharged from the milling process and sorted by size; Fermentation and excipients are introduced into the food waste sorted and discharged by size from the feed selection process while being fermented and fermented, and then fermented and fermented into fermentation; And it is achieved by a feed manufacturing method using a food waste, including a package take-out step of packaging each of the food waste feed transported and introduced from the fermentation fermentation process by size.

(2) In the feed production method (1) using the food waste of the present invention, the metal removal and effluent spontaneous dehydration process is the first metal which is naturally dehydrated by the magnet plate and screen demagnetization by the magnet plate while conveying and discharging the food waste Removal and runoff natural dewatering process; A second metal removal and effluent spontaneous dehydration process for transporting and discharging food waste of the first metal removal and effluent spontaneous dehydration process to naturally dehydrate the metal by the magnet plate and the screen net; The second metal removal and effluent is characterized in that the third metal removal and effluent spontaneous dehydration process of natural dewatering by metal plate and screen net by the magnet plate while transporting and discharging food waste of the natural dehydration process.

(3) In the feed production method (1) or (2) using the food waste of the present invention, the primary crushing and shredding process, the forced forced dehydration process, the secondary crushing and nonmetal sorting process, the storage process, and the cooling drying The process is characterized in that when the discharge of food waste metal foreign matter contained in the food waste is extracted by the magnet plate.

(4) In the feed production method (1) using the food waste of the present invention, the feed selection step is to sort the size of the food waste into 1 mm or less, 2 mm or less, 2 mm or more to discharge the food waste into the fermentation fermentation process. It features.

By the technical configuration of the feed production method using the food waste of the present invention described above

(1) Metal foreign substances mixed in food wastes are completely perfected several times by metal removal and effluent spontaneous dehydration process, primary crushing and breaking process, compressed forced dehydration process, secondary crushing and nonmetal sorting process before dry sterilization process. Non-metallic foreign substances such as vinyl, plastic, bone, and stone that are extracted and mixed in food waste are completely extracted and removed by the second metal removal and natural effluent, primary crushing and breaking process, and cooling and drying process. The feed quality is further improved.

(2) It is possible to sterilize and dry at a time by the dry sterilization process, while the manual sterilization step and the drying step, respectively, by eliminating manual work and sterilization and drying step, the conventional anion generator, bubble generator, Feed processing cost by a forced forced dehydration process using a screw compression dehydrator with a simple structure that can reduce salinity so that it is not a problem in feed instead of a desalination step using an expensive desalination machine due to many devices including an ultrasonic generator. To minimize this.

(3) The food waste can be sorted by crushing size by 1mm or less, 2mm or less, or 2mm or more by food selection process, and the food waste can be subdivided and supplied to the purpose of use by quality and use.

(4) Since the salt is removed by the compressed forced dehydration process without using the washing water as before, the sterilization and drying process are carried out simultaneously in the drying sterilization process. This shortens the feed production time because the fermentation is performed by grinding size in the fermentation process, which is the final stage of feed.

Feed production method using the food waste of the present invention, metal removal and effluent natural dehydration process (10), primary crushing and shredding process (20), compression forced dehydration process (30), secondary crushing and non-metals sorting process (40) ), Storage process (50), dry sterilization process (60), cooling drying process (70), grinding process (80), feed sorting process (90), fermentation fermentation process (100), packaging take out process (110) do.

With reference to the specific technical process of the present invention described above will be described in detail using a flow chart showing a feed manufacturing method using the food waste of the present invention of FIG.

1. Metal removal and runoff natural dewatering process (10)

Unpackaged food waste and packaged food waste in plastic bags stored in the food waste storage hopper are removed by the screw conveying conveyor to remove foreign metals and spontaneously dewatered, which is the first metal removal and runoff natural dehydration process (11), The second metal removal and effluent natural dehydration process 12, the third metal removal and effluent natural dehydration process (13).

The first metal removal and effluent spontaneous dehydration process (11) is carried out by a screw conveying conveyor which rotates unpacked food waste and packaged food waste into plastic bags stored in the food waste storage hopper while the effluent contained in the food waste is Primary dehydration through the screen net installed on the conveying conveyor, and metal foreign matters among the foreign substances contained in the food waste are first extracted by the magnet plate installed at the supply outlet of the screw conveying conveyor to remove the first metal and runoff water Food waste is discharged into the natural dehydration process (12).

In the second metal removal and effluent natural dehydration process 12, the food waste discharged from the first metal removal and effluent natural dehydration process 11 is transported by the screw feed conveyor, and the effluent contained in the food waste is transferred to the screw feed conveyor. Secondary spontaneous dehydration through the installed screen network, and foreign metals not extracted firstly are extracted secondly by the magnet plate installed at the feed outlet of the screw feed conveyor. Waste is discharged.

On the other hand, heavy solids such as large bones or large stones, which are mixed in the food waste flowing from the supply outlet of the first metal removal and effluent spontaneous dehydration process 11 and affect the rotation of the screw feed conveyor, are transferred to the screw feed conveyor. Collected by removing foreign matter installed. Therefore, unlike the prior art, a manual process by an operator is not required.

In the third metal removal and effluent natural dehydration process (13), the food waste discharged from the second metal removal and effluent natural dehydration process (12) is transported by a screw feed conveyor, and the effluent contained in the food waste is transferred through the screen network. After the third natural dehydration and the second extraction, the remaining metal-like foreign matter is extracted by the magnet plate installed in the supply outlet of the screw feed conveyor, and the food waste is discharged into the primary crushing and breaking process 20. On the other hand, in the screen net of the third metal removal and effluent natural dehydration process 13, the food waste falling into and out of the second metal removal and effluent natural dehydration process 12 is increased by the free fall impact. .

2. Primary shredding and breaking process (20)

The food waste introduced into the primary shredding and shredding process 20 by the screw feed conveyor is shredded to a small size as well as the plastic bags are shredded by a shredding shredder equipped with a rotary rotor with a cutting blade. Vinyl, plastic, bone and stone remaining in the waste are automatically sorted out in the secondary crushing and nonmetal sorting process 40 and the cooling drying process 60 below. Then, the remaining metal foreign matters of the food waste are extracted by the magnet plate installed at the supply outlet of the crushing crusher during the first crushing and crushing process 20 and transported by the screw feed conveyor to the magnet plate installed at the supply outlet of the screw feed conveyor. As a result, the remaining metal-like foreign matter is extracted again and discharged to the compression forced dehydration process 30.

3. Compression Forced Dewatering Process (30)

Food waste introduced into the compression forced dewatering process 30 by the screw feed conveyor is compressed and forced dewatered by screw rotation of the screw compression dehydrator so that the effluent (water) contained in the food waste and the salt contained in the effluent are significantly reduced. In addition, the foreign metal residue of the food waste is extracted by the magnet plate installed at the supply outlet of the screw compression dehydrator of the compression forced dehydration process 30, and is transported by the screw feed conveyor to be retained by the magnet plate installed at the supply outlet of the screw feed conveyor. Metal foreign matter is extracted again and discharged to the secondary crushing and non-metallic sorting process (40).

Metal debris extraction, natural dehydration, primary crushing, and compression forced dehydration of food wastes by the metal removal and effluent natural dehydration process, primary crushing and crushing process, and compression forced dehydration process Discharged to (40).

4. Secondary Crushing and Non-Metallic Sorting Process (40)

Food waste introduced by non-metallic foreign substances such as vinyl, plastic, bone and stone of small size, which are not extracted and removed by the second shredding and nonmetal sorting process (40) by a screw feed conveyor, has a rotary blade with a cutting blade. Secondary crushing by crushing and non-metal sorting machine installed is discharged through screen net with 20 ~ 30mm hole of crushing and non-metal sorting machine, and vinyl or plastic by wind generated by high speed rotation of rotary rotor Light nonmetallic foreign matters are sorted while suspended, and nonmetallic foreign matters such as bones or stones are sorted and thrown out by hitting the rotor and cutting blade. And the remaining metal foreign matters of the food waste are extracted by the magnet plate installed in the crushing of the secondary crushing and non-metal sorting process 40 and the supply outlet of the non-metal sorting process and transported by the screw conveying conveyor to the supply outlet of the screw conveying conveyor. Residual metal-like foreign substances are again extracted by the installed magnet plate and discharged to the storage process 50.

5. Storage Process (50)

The food waste introduced into the storage process 50 by the screw feed conveyor is discharged to the screw feed conveyor, and the foreign metal residues are extracted again by the magnet plate installed at the supply outlet of the screw feed conveyor, and quantitatively discharged by the dry sterilization process (60). do.

6. Dry Sterilization Process (60)

Food wastes quantified in the dry sterilization process (60) by the screw feed conveyor are rotated by the rotary rotor of the disc dryer for dry sterilization and stayed at 80 ° C. or more for 30 minutes or more. It is discharged to the cooling dryer of the cooling drying process 70 through the outlet.

Meanwhile, the food waste discharged from each of the primary shredding and shredding processes (20), the forced forced dehydration process (30), the secondary shredding and nonmetal sorting process (40), and the storage process (50) is shredded and screwed. Extraction by the magnet plate installed in the feed outlet of the compression dehydrator, the crushing and the non-metal sorting machine and the feed outlet of the screw feed conveyor, improves the feed quality of the residue metals not extracted in the metal removal and effluent natural dehydration process (10). It is for the purpose.

7. Cooling drying process (70)

The dried food waste having a temperature of 80 ° C. or higher introduced into the cooling drying process 70 causes the blower and the cyclone to discharge the elevated temperature inside the cooling dryer while the blower and the cyclone are rotated. As a result, the food waste is further dried and pulverized.

The dried and crushed food waste is discharged into a predetermined size of 5 mm or less and 5 mm or more through a screen net having a plurality of holes of 5 mm installed at the rear end of the cooling dryer. Most of the solids, such as plastic, bone, and stone, which are not extracted in 40), are 5 mm or more, which is larger than a predetermined size, so that they are carried by a screw feed conveyor from the cold-dried food waste, extracted through a supply outlet, and discharged to the outside. The cold-dried food waste that passed through the screen net of 5 mm or less is passed through the conveyor belt again by the magnet pulley installed at the end of the conveyor belt, and the remaining metal foreign matter is extracted again and crushed through the feed outlet of the screw feed conveyor. 80) into the dry feed grinder.

8. Crushing Process (80)

According to the degree of crushing introduced into the crushing process 80 by the screw feed conveyor, the food waste having a size of 5-1 mm is 2 mm or less in a dry feed grinder having a rotary rotor with a crushing blade and a case with a crushing blade. This finely pulverized and fed food waste, including crushed and not crushed to a size of 2 mm or less, is discharged through a screen net having a plurality of holes of 5 to 1 mm, and is fed through a feed outlet of a screw feed conveyor. It is discharged to the vibrator screen sorter of 90.

9. Feed Selection Process (90)

The food waste introduced into the feed sorting process 90 by the screw feed conveyor is subjected to the crushing process 80 by a vibrator screen sorter composed of a vibrator motor that causes vibration, a screen net of 1 mm or less, and a screen net of 2 mm or less. It is selected by use or quality in sizes of 1 mm or less, 2 mm or less, 2 mm or more, including those that are ground to a size of 2 mm or less but not to 2 mm or less.

When food waste feeds of 2 mm or less are introduced into the vibrator screen sorter, the vibrator motor vibrates slowly to the front of the vibrator screen sorter, and then through the screen net of 1 mm or less and the screen net of 2 mm or less. The 1, 2, 3 sorting is divided into sizes of 2 mm or less, 2 mm or less, and 2 mm or more and discharged into the respective fermenters of the aging fermentation process 100 through the supply outlet of the screw feed conveyor.

10. Aging fermentation process (100)

Food waste that is sorted by size into the fermentation fermentation process 100 by the screw feed conveyor is fermented for a certain time by fermentation agents such as lactic acid bacteria and Kocho bacteria and excipients of grains such as rice bran which are introduced into each fermenter. It is fed by the feed through the feed outlet of the screw feed conveyor is discharged to the packing machine of the packaging discharging process (110). Fermenters and excipients that are added to the fermenter are stored in the fermentor tank and then fed to a screw feed conveyor that feeds the food waste discharged from the feed sorting process 90 into each fermenter, mixed with the food waste and mixed with each fermenter. Conveying inflow.

11.Packaging Process (110)

The food waste feeds respectively introduced into the package take-out process 110 by the screw feed conveyor are divided into 1 mm or less, 2 mm or less, and 2 mm or more by the packing machine and are packaged out.

1 is a flow chart illustrating a method for producing a feed using food waste of the present invention.

DESCRIPTION OF REFERENCE NUMERALS

10: Metal removal and effluent spontaneous dehydration process 20: First shredding and breaking process

30: forced forced dehydration process

40: secondary crushing and nonmetal sorting process 50: storage process

60: dry sterilization process 70: cooling drying process

80: grinding process 90: feed selection process

100: fermentation fermentation step 110: take out packaging process

Claims (4)

Metal removal and effluent natural dehydration process for metal removal and natural dehydration while transporting and discharging food waste; A primary shredding and shredding step of encapsulating the plastic packaging of the food waste discharged from the metal removal and effluent natural dewatering process, and crushing and discharging the food waste first; A forced forced dehydration process of compressing and forcedly dewatering the effluent and the salt contained in the effluent, which are discharged from the first crushing and crushing process and transported into the food waste; Secondary shredding and nonmetallic wastes are discharged from the compressed forced dehydration process to secondary shredding of food wastes transported and transported, and to discharge non-metallic foreign substances including vinyl contained in the food wastes to the outside, and to discharge secondary shredded food wastes. Flow sorting process; A storage step of storing food waste discharged from the secondary crushing and non-metal sorting process and transported; A dry sterilization step of simultaneously discharging and sterilizing the food wastes quantitatively discharged from the storage factory and retained for at least 30 minutes at 80 ° C. or higher; A cooling drying step of cooling and drying the food waste discharged from the dry sterilization process and discharging the food waste to a predetermined size or less; A pulverizing step of pulverizing and discharging food waste discharged from the cooling and drying process to a predetermined size or less; A feed sorting process for sorting and discharging food wastes discharged from the milling process and sorted by size; Fermentation and excipients are introduced into the food waste sorted and discharged by size from the feed selection process while being fermented and fermented, and then fermented and fermented into fermentation; And A method for producing feed using food waste, characterized in that it comprises a packaging take-out step of packaging each food waste discharged from the aging fermentation process, each packaged inflow. The method according to claim 1, The metal removal and effluent spontaneous dehydration process includes: a first metal removal and effluent spontaneous dehydration step of spontaneously dehydrating by the magnet plate and the screen network while transporting and discharging food waste; A second metal removal and effluent spontaneous dehydration process for transporting and discharging food waste of the first metal removal and effluent spontaneous dehydration process to naturally dehydrate the metal by the magnet plate and the screen net; And Feed using food waste, characterized in that the third metal removal and effluent natural dehydration process of transporting and discharging the food waste of the second metal removal and effluent natural dehydration process by the metal plate and natural dehydration by the screen net Manufacturing method. The method according to claim 1 or 2, The primary crushing and crushing process, the forced forced dehydration process, the secondary crushing and nonmetal sorting process, the storage process, and the cooling drying process are characterized by extracting the metal foreign matter contained in the food waste by the magnet plate when the food waste is discharged. Feed production method using food waste. The method according to claim 1, In the feed selection process, the size of the food waste is sorted into 1 mm or less, 2 mm or less, 2 mm or more, and the food waste is produced by the fermentation process.

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