KR100970586B1 - Method for making resources using organic waste - Google Patents

Abstract

PURPOSE: A method for making resources using organic waste is provided to prevent environmental contamination by processing adulteration and effluent produced in a recycling process, and to stably produce organic fertilizer raw materials. CONSTITUTION: A method for making resources using organic waste includes the following steps: putting organic waste(S1); crushing the organic waste automatically(S2); agitating the organic materials(S3); dehydrating the organic materials(S4); dehydrating the organic waste with a screw press(S5); steaming the organic waste at a high temperature(S6); drying the waste(S7); cooling the waste(S8); sorting and crushing the waste into powder; collecting the powder of solid particles(S11); sorting foreign materials with vibration(S12); and wrapping a product(S13).

Description

Method for making resources using organic waste}

The present invention relates to a recycling method using an organic waste, and more particularly, to produce a high-quality feed and organic fertilizer raw materials by passing the organic waste through a plurality of processes, while an organic waste that can treat the contaminants and waste water generated in the recycling process It relates to a resourceization method using.

In general, organic waste refers to a material that needs to be discarded among materials containing a large amount of organic matter that can be decomposed by microorganisms. For example, livestock waste, sewage sludge, slaughter by-products, etc. Can be mentioned.

The amount of livestock excretion among organic wastes has been released in recent years due to the development of the livestock industry, so that it is impossible to purify its own in various farms, pigs, and poultry farms. The amount is increasing exponentially.

In particular, food waste from some restaurants is boiled and used as food for animals. However, when feeding the general food directly to the animals, such as pigs, there is a problem to be mixed with many other feeds due to the base contained in the food.

On the other hand, according to the prior art, a method and apparatus for preparing food using food waste according to Korean Patent Laid-Open Publication No. 2000-0030318, sawdust, ground roots, herbal medicine, kaolin, pine needles, pine needles, red pepper seeds, etc. By reducing the cost of waste collection and disposal by making animal feeds such as pigs and ducks, the production of feed using food waste to produce high-calorie feeds with simple and low-cost operating costs The method is presented.

However, if the food waste is boiled and used as animal feed, as above, the weak bacteria contained in the food waste may be killed, but most of the pests are not killed, and the nutrition contained in the food during boiling There was a problem that is destroyed a lot.

In addition, due to the inadequate feed production process, low-quality feeds such as various foreign substances are produced in the feed product, and thus, the nutritional supply of livestock is not smoothly balanced due to lack of nutritional factors. there was.

The present invention has been made to solve the above problems, organic waste input, automatic crushing screening, stirring, dehydration, hot steam, high temperature drying, cooling drying, magnetic screening, fine powdering, capture, vibration screening process The purpose of the present invention is to provide a resource recycling method using organic waste to promote stable production of high quality feed and organic fertilizer raw materials.

Recycling method using the organic waste according to the present invention, the organic waste input step of putting into the hopper through the organic waste collection vehicle; An automatic crushing sorting step of transferring the organic waste put into the hopper to an automatic crushing sorter through a transfer screw and rotating the automatic crushing sorter at high speed to crush the organic waste and to sort foreign matters; An organic waste agitation step of adding the crushed and sorted organic waste to a stirrer and then mixing and stirring the waste water; A first centrifugal dewatering step of separating the stirred organic waste by high-speed rotation by a centrifuge and simultaneously dehydrating the stirred organic waste; A second screw press dewatering step of continuously supplying the first dehydrated solids to a screw press to dehydrate the solids; A hot steaming step of heating the secondary dehydrated solids in a vacuum cooker to remove water and salts of the solids; A high temperature drying step of drying the solid which has undergone the high temperature cooking process at a high temperature; A cooling drying step of cooling and drying the hot dried solids; A magnetic separation step of selecting metallic foreign matters contained in the cooled and dried solids by magnetic force; A fine powdering step of powdering the magnetically-selected solids into a fine powder to powder to a size of 0.2 mm or less; A powder collecting step of collecting the powder of solid particles separated from air by putting the powder into a cyclone; A vibration screening step of inputting the collected powder to a vibration screener to sort the non-metallic foreign matter by vibration; It characterized in that it comprises a product packaging step of putting the vibration-selected powder in a wrapping paper.

Recycling method using organic waste according to the present invention, high quality feed through the process of organic waste input, automatic crushing sorting, stirring, dehydration, hot steaming, high temperature drying, cooling drying, magnetic sorting, fine powdering, collection, vibration sorting And organic fertilizer raw materials.

In addition, there is an effect of preventing environmental pollution by treating the contaminants and waste water generated in the recycling process.

In addition, there is an effect that the product competitiveness is improved by reducing the manpower due to the automation of the resourceization process.

Recycling method using the organic waste according to the present invention, the organic waste input step of putting into the hopper through the organic waste collection vehicle; An automatic crushing sorting step of transferring the organic waste put into the hopper to an automatic crushing sorter through a transfer screw and rotating the automatic crushing sorter at high speed to crush the organic waste and to sort foreign matters; An organic waste agitation step of adding the crushed and sorted organic waste to a stirrer and then mixing and stirring the waste water; A first centrifugal dewatering step of separating the stirred organic waste by high-speed rotation by a centrifuge and simultaneously dehydrating the stirred organic waste; A second screw press dewatering step of continuously supplying the first dehydrated solids to a screw press to dehydrate the solids; A hot steaming step of heating the secondary dehydrated solids in a vacuum cooker to remove water and salts of the solids; A high temperature drying step of drying the solid which has undergone the high temperature cooking process at a high temperature; A cooling drying step of cooling and drying the hot dried solids; A magnetic separation step of selecting metallic foreign matters contained in the cooled and dried solids by magnetic force; A fine powdering step of powdering the magnetically-selected solids into a fine powder to powder to a size of 0.2 mm or less; A powder collecting step of collecting the powder of solid particles separated from air by putting the powder into a cyclone; A vibration sorting step of sorting the collected powder into a vibrating separator to sort non-metallic foreign matter by vibration; It characterized in that it comprises a product packaging step of putting the vibration-selected powder in a wrapping paper.

The method may further include a step of treating the impurities generated in the step of automatic crushing, stirring, cooling drying, magnetic screening, and vibration screening.

The method may further include treating the wastewater generated in the first centrifugal dehydration step and the second screw press dehydration step, and the condensate water generated in the high temperature steaming and the high temperature drying step.

The method may further include temporarily storing the organic crushed organic waste by using a storage tank before inputting the organic waste to a stirrer.

The method may further include a step of temporarily storing the dehydrated solids by the screw press using a storage tank before inputting the solids into the vacuum cooker.

The method may further include temporarily storing the solid material that has undergone the cooling drying step by using a storage tank before the magnetic separation step is performed.

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

1 is a process chart showing a recycling method using an organic waste according to the present invention, Figure 2 is an overall configuration diagram showing a recycling method using an organic waste according to the present invention, Figure 3 is a recycling using the organic waste according to the present invention It is a process chart which shows the process of treating the contaminant of a method, and wastewater.

As shown in FIG. 1 and FIG. 2, the recycling method using the organic waste according to the present invention includes an organic waste input step S1, an automatic shredding screening step S2, an organic waste stirring step S3, and a first step. First centrifugal dehydration step (S4), second screw press dehydration step (S5), high temperature steaming process step (S6), high temperature drying step (S7), cooling drying step (S8), and magnetic screening step ( S9), fine powdering step (S10), powder collecting step (S11), vibration screening step (S12), and product packaging step (S13).

First, in the organic waste input step (S1), any one organic waste from the organic waste such as livestock waste, sewage sludge, slaughter by-products such as food waste, food by-products, poultry and pig meal, etc. to the hopper (1) through the collection vehicle Input.

Here, the food waste, food by-products, slaughter by-products are produced for high-quality feed through the process of recycling, livestock excretion, sewage sludge, such as poultry and pig meal is produced for the raw material of organic fertilizer.

The hopper 1 provided with a door is manufactured to prevent the organic waste from being contaminated by an external pollution source and to prevent the odor of the organic waste from leaking out or inhabiting a pest.

In the automatic crushing sorting step (S2), the organic waste put into the hopper 1 is transferred to the automatic crushing sorter 2 through the transfer screw 11 and the organic crushing sorter 2 is rotated at a high speed to remove the organic waste. Crush and screen foreign matter.

In particular, the organic waste is transported by the transfer screw 11 and dropped on the conveyor 20 before being transferred to the automatic crusher 2, and is transferred to the automatic crusher 2 by the conveyor 20. . The organic waste introduced into the automatic crusher 2 is crushed by the high speed rotation of the cutter of the automatic crusher 2, and the crushed organic waste is transferred to the subsequent process through the lower portion of the automatic crusher 2.

In addition, various metal materials contained in the organic waste and foreign matters such as plastic bags for collecting and animal bones are discharged to the outside through discharge blades (not shown).

Meanwhile, the method may further include a step of temporarily storing the organic crushed and sorted organic waste using the storage tank 40 before inputting the organic waste to the stirrer 3. Therefore, it is for temporary storage because the organic wastes which have passed through the automatic crush selector 2 can not be left in case of overload or other failure of the facility.

In the organic waste agitation step (S3), the crushed and sorted organic waste is transferred to the stirrer 3 by the pump 30, put into the stirrer 3, and the waste water is mixed and stirred.

In particular, the heavy metals in the process of stirring is also carried out with a specific gravity separation process is precipitated to remove the lower portion in the stirrer (3).

In the first centrifugal dehydration step (S4), the stirred organic waste is transferred to the centrifuge (4) by the pump (30) and rotated at a high speed by the centrifuge (4) to separate the primary dehydration at the same time. It is to let.

After the dehydration process by the centrifuge (4) the water content of the organic waste is less than 75%.

In the second screw press dewatering step (S5), the first dehydrated solid is continuously supplied to the screw press to dewater the secondary.

The screw press 41 is a device for supplying secondary dehydration by continuously supplying the solid dehydrated in the centrifuge (4). That is, the first dehydrated solid is dehydrated while moving to the discharge port through the screw rotor of the screw press 41, and the waste water is discharged to the wastewater treatment plant through the pipe.

In addition, the method may further include a step of temporarily storing the dewatered solid matter by the screw press 41 by using the storage tank 50 before inputting the vacuum cooker 5. Therefore, it is for temporary storage because it is not possible to leave solids which have passed through the screw press 41 in the event of an overload or other failure of the equipment.

In the high temperature cooking process step (S6), the dehydrated solid is introduced into the vacuum cooker 5 by the conveyor 20 and heated for removing water and salts of the solid and completely sterilizing.

The vacuum cooker 5 has a cylindrical structure, and is a device for drying solids using pressure and vacuum by indirect heat of a disk, a shaft, and a blade heated by steam.

The high temperature steaming process denatures the dehydrated solids at a high temperature of 150 to 160 ° C. under a high pressure of 5 to 7 kg / cm2 to increase pepsin digestion rate, and indirectly heats a low vacuum so that the raw material is evaporated in water and salt. There is a feature to be removed.

Particularly, the preferable high temperature steaming process is preferably carried out at a high temperature of 150 ° C. and 5 kg / cm2 of high pressure, and through the steaming process, harmful microorganisms are completely killed and sterilized.

In the high temperature drying step (S7), as a step of drying the solids subjected to the high temperature steaming process at a high temperature, after the high temperature steaming process, the conveyor 20 is transferred to the disk dryer 6 to perform a high temperature drying process, The disk drying process adjusts the moisture of the raw material to less than 7 ~ 12% by heating, to remove residual water and maintain the porosity of the product, and to dry the solids by indirect heat of the disk and shaft heated by steam, browning phenomenon and carbonization phenomenon Prevents.

In the cooling drying step (S8), as a process of cooling and drying the high temperature dried solids, the high temperature dried solids are transferred to the cooling dryer 7 by the conveyor 20 to improve the discharge of hot residual moisture and storage of solids. In order to achieve a cooling process, it is easy to manufacture a solid product by the air cooling treatment.

In the magnetic screening step (S9), as a process for separating the metallic foreign matter contained in the cool-drying solid by a magnetic force, the solid material is transferred to the magnetic separator 8 by the conveyor 20, such as metallic withdrawal Foreign matter is selected by magnetic force. The magnetic separator (8) is a device for adsorption and removal of harmful iron pieces in the solid conveyed by the conveyor 20 using a permanent magnet and an electromagnet.

In particular, the method may further include temporarily storing the solid material having undergone the cooling drying step S8 by using the storage tank 60 before the magnetic separation step S9. Therefore, in the event of an overload or other failure of the equipment, the solids passed through the cooling dryer (7) can not be left alone because it is for temporary storage.

In the fine powdering step (S10), the discharge part of the magnetic separator (8) and the input of the grinding powder (9) is connected, and the magnetically-selected solids are introduced into the grinding powder (9) due to free fall, and the grinding powder (9) Solids added to) are powdered to a size of 0.2mm or less.

In the powder collecting step (S11), the powder is injected into the cyclone 90 to collect the powder of solid particles separated from the air.

By injecting the powder containing air from the inlet of the cyclone 90, the powder of the solid particles are separated from the air by the centrifugal force by the acceleration of the rotation and transferred to the vibrating separator 10.

In the vibration sorting step (S12), the collected powder is put into the vibrating separator 10 to sort non-metallic foreign matter by vibration.

The vibrator 10 is a device for transferring powder by attaching a vibrator, which is a driving source, to the device itself to generate a forced vibration.

In the product packaging step (S13), the vibrating sorted powder is put into a wrapping paper and sealed and shipped as a final product.

In particular, prior to packing the vibrating sorted powder, the solid material is conveyed by the conveyor 20 is put into the air transfer device 70, the air transfer device 70 is already in the market "higher" As a device called, vibration-selected powder is temporarily stored through the pipeline disconnected from the outside by using the flow energy of the gas and serves to supply air to the product storage cycle (80).

The product storage cycle 80 is a facility for temporarily storing the vibrating screened powder before packaging as a final product.

On the other hand, as shown in Figure 3, further comprising the step of treating the impurities generated in the step of the automatic crushing, stirring, cooling drying, magnetic screening and vibration screening, the step of the first centrifugal dehydration (S4 ) And a process for treating the wastewater generated in the second screw press dewatering step (S5) and the condensed water generated in the hot steaming and hot drying stages.

That is, in the process of processing the contaminants, the contaminants are automatically stored in the contaminant box by the transfer facility and transferred to the vehicle. In addition, wastewater and condensate are discharged to the wastewater treatment plant through a pipe and discharged after the wastewater treatment.

All of the equipment in the recycling method using the organic waste according to the present invention is automated, a separate central control room is provided to control the operation of each facility.

Although the present invention has been described with reference to the accompanying drawings, it will be apparent to those skilled in the art that many various obvious modifications are possible without departing from the scope of the invention from this description. Therefore, the scope of the invention should be construed by the claims described to include examples of many such variations.

1 is a process chart showing a recycling method using an organic waste according to the present invention.

Figure 2 is an overall configuration showing a resource recycling method using an organic waste according to the present invention.

3 is a process chart showing a process for treating contaminants and wastewater in a recycling method using an organic waste according to the present invention.

<Explanation of symbols for the main parts of the drawings>

1: Hopper

    11: transfer screw

2: automatic shredding machine

3: stirrer

4: Centrifuge

    41: screw press

5: vacuum cooker

6: disc dryer

7: cooling dryer

8: magnetic separator

9: Differential

10: vibrating separator

20: conveyor

30: pump

40, 50, 60: storage tank

70: air feeder

80: product storage

90: cyclone

Claims (6)

The organic waste input step into the hopper through the organic waste collection vehicle, the organic waste injected into the hopper is transferred to the automatic crushing sorter through a transfer screw, and the organic crushing sorter is rotated at high speed to crush the organic waste and sort the foreign matter. An automatic crushing sorting step, an organic waste stirring step of putting the crushed sorted organic waste into a stirrer and then mixing waste water to stir, and separating the stirred organic waste by rotating it at high speed with a centrifugal separator and simultaneously dehydrating A first centrifugal dewatering step, a second screw press dewatering step of continuously supplying the first dehydrated solids to a screw press, and a second dewatered solids in a vacuum cooker to add water and solids to the vacuum cooker. High temperature steaming step of heating to remove salt, and A high temperature drying step of drying the solids which have undergone a high temperature cooking process at a high temperature, a cooling drying step of cooling and drying the high temperature dried solids, and a magnetic separation step of selecting metallic foreign matters contained in the cold dried solids by magnetic force; A fine powdering step of powdering the magnetically-selected solids into a fine powder to powder to a size of 0.2 mm or less, and a powder collecting step of collecting the powders of solid particles separated from air by putting the powders into a cyclone; In the resource sorting method using an organic waste comprising a vibration sorting step of sorting the non-metallic foreign matter by vibration by putting the collected powder in a vibrating separator, and a product packaging step of putting the vibrating sorted powder in a wrapping paper, Treating the wastewater generated in the first centrifugal dehydration step and the second screw press dewatering step, and the condensate water generated in the high temperature steaming and the high temperature drying step; The organic waste agitation step includes a specific gravity separation step of precipitating and removing metals having a heavy gravity in the stirring process to the bottom in the agitator; The high temperature steaming process step is a method of recycling the organic waste, characterized in that the process of increasing the dehydrated solids at 150 to 160 ℃ high temperature, 5 ~ 7kg / cm2 high pressure. The method of claim 1, further comprising the step of treating the impurities generated in the step of automatic crushing, stirring, cooling drying, magnetic screening and vibration screening. delete The method of claim 1, further comprising: temporarily storing the automatically crushed organic waste using a storage tank before inputting the organic waste to a stirrer. The method of claim 1, further comprising: temporarily storing the secondary dehydrated solids by the screw press using a storage tank before inputting the solids into the vacuum cooker. The method of claim 1, further comprising: temporarily storing the solid material that has undergone the cooling and drying step by using a storage tank before proceeding with the magnetic screening step.

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