KR102006146B1 - Pellet using frying powder and method for production thereof - Google Patents

Abstract

A flake crumb pellet is provided, wherein the crumb mixture is formed of a solid material of a certain width and thickness. Pellets using the fry flakes can omit the water removal process is required in the manufacture of solid waste biofuel, can be used as a fuel such as power plants can be discarded and recycled as an energy source.

Description

Method for manufacturing pellets and pellets using fried flakes {PELLET USING FRYING POWDER AND METHOD FOR PRODUCTION THEREOF}

The present invention relates to a method for producing pellets and pellets using fried flakes, and more particularly, to pellets that can be used as fuel by using fried flakes contained in oil after cooking.

Generally, municipal waste is collected and incinerated or landfilled. Incineration or landfill may cause problems such as landfill shortage when a large population is concentrated compared to small land areas like Korea, and secondary pollution such as soil pollution by landfills may occur. There is a problem that can be.

Therefore, there is a growing interest in fuels using biomass, which can replace fossil fuels by using the resources discarded as wastes as energy sources. In particular, the fuel using biomass includes bio-waste solid fuel (SRF, Solid Refuse Fuel) such as pellets, and the interest to use it as an energy source using such solid fuel is increasing.

In particular, active efforts have recently been made to resolve energy issues in a policy manner, such as to increase renewable energy projects in the country.

However, since bio-waste solid fuel is mostly a food waste, the main raw material is waste, so in order to use it as an energy source, there is a problem in that it is not easy to use as a fuel in that water must be removed as a prerequisite.

Therefore, in order to remove the moisture of the household food waste, additional additives for dehydration, coagulation and sedimentation must be added, and a lot of costs are generated in this process, and thus the utility value as a recycling resource is low.

The present invention has been made to solve the above-described problem, according to one embodiment of the present invention provides a method for producing pellets and pellets that can be used as fuel using the frying crumb obtained from waste oil.

The technical problem to be achieved by the present invention is not limited to the technical problem mentioned above, and other technical problems not mentioned above may be clearly understood by those skilled in the art to which the present invention pertains. There will be.

As a technical means for achieving the above technical problem, the pellet using the fried crumb according to an aspect of the present invention may be formed of a solid material of a predetermined width and a certain thickness of the fried crumb mixture.

In addition, the pellet using the fried crumbs according to an embodiment of the present invention, the fried crumbs is formed of a solid material having a predetermined width and a predetermined thickness; a through-hole formed through the predetermined thickness direction of the solid material; Including, but a plurality of the through-holes are formed, the pellet using the frying crumb formed by varying the size and shape, the particles of the frying crumb, are formed by grinding uniformly to 10 um to 1mm, the pellet Silver, the first heat treatment for preheating to a temperature range of 70 ~ 120 ℃, without the separate moisture removal step for removing the water contained in the crushed fry flakes to discharge the oil contained in the uniformly crushed fry crumb to the outside step; A second heat treatment step of reheating the fried crumbs through the first heat treatment step within a temperature range of 100 to 145 ° C. to cause the particles constituting the fried crumbs to aggregate; And compression molding the pellets to a predetermined shape and shape by re-heating the secondary heat treatment step and compressing the fried crumbs in which the particles are aggregated within a pressure range of 300 to 500 bar. It may be provided as a pellet using the fried crumbs.

The through hole may be formed in plural.

The through hole may be formed in different sizes and shapes.

The grain size of the fry crumb may be formed to 10 um to 1mm.

The shape may be any one of a cylinder, a polygonal cylinder, a cylindrical shape, and a chip shape.

According to another aspect of the present invention, a method of manufacturing a pellet using fried crumbs includes: collecting fry crumbs, classifying a foreign substance from the collected fried crumbs, pulverizing the fried crumbs classified with the foreign matter, and pulverizing And heat-processing the fried crumbs, and compressing and forming the fried crumbs classified by the heat treatment.

In addition, the pellet manufacturing method according to an embodiment of the present invention, the step of collecting the fried crumbs; Classifying foreign matters from the collected fried crumbs; Grinding the fried crumbs in which the foreign matter is classified; Heat-treating the ground fried flakes; In the manufacturing method of the pellet using a frying crumb comprising the step of compression molding the sorted fried crumbs, wherein the grinding step, so that the particles of the frying crumb are uniformly formed to 10 um to 1mm, The heat treatment may include: a first heat treatment step of preheating the uniformly ground fried crumbs; And a second heat treatment step of maintaining the inherent shape of the pellets by agglomeration between the fry crumb particles formed by providing a higher temperature to the fry crumbs subjected to the first heat treatment than the first heat treatment step. In the primary heat treatment step, the preheated crushed fry flakes in a temperature range of 70 ~ 120 ℃, to discharge the oil contained in the crushed fry crumb to the outside, the oil extracted to recycle the discharged containing oil The second heat treatment step may further include reheating the fried crumbs preheated through the first heat treatment step within a temperature range of 100 to 145 ° C. to remove oil contained therein through the first heat treatment step. It may be a method for producing a pellet using the fried crumbs, characterized in that to make the fried crumbs more aggregated.

The heat treatment may include a first heat treatment step and a second heat treatment step of varying treatment temperatures.

The temperature of the first heat treatment step may be 70 ~ 120 ℃.

The temperature of the second heat treatment step may be 100 ~ 145 ℃.
In addition, in the method for manufacturing pellets according to an embodiment of the present invention, the compression molding step may be performed by compression molding the frying crumbs reheated and aggregated through the second heat treatment step within a pressure range of 300 to 500 bar, and the pellets By being formed in a set shape, it can be provided as a method for producing a pellet using a frying crumb not to be easily broken.

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The method for producing pellets and pellets according to an embodiment of the present invention may provide an effect of using the causative agent of pollution as an energy source by using the fried chips obtained from waste oil as fuel.

The effects of the present invention are not limited to the above-described effects, but should be understood to include all the effects deduced from the configuration of the invention described in the detailed description or claims of the present invention.

1 is a view showing a pellet using a fry flakes according to a first embodiment of the present invention.
2 is a view showing a pellet using a fry flakes according to a second embodiment of the present invention.
3 is a view showing a pellet using a fry flakes according to a third embodiment of the present invention.
4 is a view showing a pellet using a fry flakes according to a fourth embodiment of the present invention.
5 is a flow chart schematically showing a manufacturing process according to an embodiment of the present invention.
6 is a view for comparing the difference in pellet thickness according to the manufacturing process of the present invention.
7 is a photograph for comparing the difference in pellet thickness according to the manufacturing process of the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In addition, the accompanying drawings are intended to facilitate understanding of the embodiments disclosed herein, but are not limited to the technical spirit disclosed herein by the accompanying drawings, all changes included in the spirit and scope of the present invention. It is to be understood to include water, equivalents and substitutes. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and similar reference numerals are used for similar parts throughout the specification.

In general, homes and restaurants, such as oil left over after frying is reused after removing the contents, but most of it is usually discarded. Also, in order to recycle the oil left over, use the waste chips or other foreign substances left in the oil.

On the other hand, such waste oil is also used as soap production or feed, but it is common to throw away the fried crumbs filtered from waste oil as it is not prepared. As such, the fried crumbs containing oil may cause water pollution when flowing into sewage, and there may be a source of contamination that may cause secondary pollution even when incinerated or landfilled.

On the other hand, the pellet according to an embodiment of the present invention and its manufacturing method is a technology that can be used as an energy source by classifying the fried crumbs that may be the cause of contamination from oil to recycle and use it as a solid fuel.

Hereinafter, with reference to the drawings will be described in more detail a pellet according to an embodiment of the present invention that can be recycled as a solid fuel. In addition, for the sake of convenience of description, the 'pellet using fried chips' described herein is used in combination with pellets.

Pellets Using Fried Flakes

1 is a view showing the pellet 100 using the fried flakes according to the first embodiment of the present invention. Referring to FIG. 1, in the pellet 100 using the fried flakes according to the first embodiment of the present invention, the fried crumb mixture may be formed of a solid material having a predetermined width (W) and a predetermined thickness (H).

The fried flakes filtered from the waste oil are generally fried in oil while the flour is coated on food and collected after a certain period of time. Therefore, the fried flakes are generally not uniform.

As such, the deep fried flakes containing a large amount of oil are not easy to be transported and stored because they do not have a certain shape, and are not easy to be used as fuels because they are not easily handled when they are introduced into power generation facilities.

On the other hand, the pellet 100 according to an embodiment of the present invention may be formed into a form that is easy to transport or store by fractional grinding and heat treatment compression from the collected oil and may be used as a solid fuel. Method for producing the pellet 100 according to an embodiment of the present invention will be described later.

As shown in Figure 1, the circular pellet 100 having a predetermined thickness according to an embodiment of the present invention is easy to stack and store, including a flat plane, the corner shape is formed in a curved corner when the outer impact Breaking can be prevented.

2 is a view showing the pellet 200 using the fry flakes according to a second embodiment of the present invention. Referring to Figure 2, it may further include a through hole formed in the thickness direction. The pellet 200 according to the second embodiment may increase the amount of heat generated by increasing the contact area when used as fuel by the through hole formed in the thickness direction of the pellet. For example, the pellet 200 according to the second embodiment may be formed in two forms, such as a pellet 210 having a through hole O and a pellet 220 separated from the through hole, and each of the pellets 210 and 220. ) May have different surface areas of S1 and S2.

In the pellet 200 according to the second embodiment, the through hole O is formed in the thickness direction so that the contact area S1 with air is wider than the pellet without the through hole formed when used as fuel, so that the pellet 200 can be burned more easily. Furthermore, the separated pellet 220 may also be used as the same raw material, so that when the pellet raw material is manufactured in the same amount, the surface area S1 of the pellet in which the through hole is formed is wider than the surface area of the pellet in which the through hole is not formed so as to contact with air. It is effective to increase the area.

3 is a view showing a pellet 300 according to a third embodiment of the present invention, Figure 4 is a view showing a pellet 400 according to a fourth embodiment of the present invention.

3 to 4, the through hole may be formed in plural, and may be formed in different sizes and shapes.

For example, as shown in FIG. 3, the pellet 300 according to the third embodiment may include the pellet 310 formed of eight through holes and the pellet 320 separated therefrom.

For example, as shown in FIG. 4, in the pellet 400 according to the fourth embodiment, the through holes may be formed in a larger number than the through holes shown in FIG. 3, and are formed by varying the size and shape of the through holes. Can be.

The pellet 400 according to the fourth embodiment may include pellets 410 having two kinds of through holes and pellets 420 separated therefrom, and the separated pellets also have pellets 422 and 424 having different shapes and sizes, respectively. It can be formed as.

Therefore, the pellet according to the embodiment of the present invention can be formed in a variety of sizes and shapes of the through-holes as needed to widen the contact area between the air and the heat source when using the fuel to generate a large amount of heat.

Furthermore, the shape of the pellet of the present invention can be selected from any one of a cylinder, polygonal cylinder, cylindrical, chip shape, and does not limit the size, etc., the size and diameter of the biosolid fuel product is 50mm or less It may be formed to a length of 100mm or less, and are not necessarily limited to the above-described shape and the above embodiments.

Method for producing pellets using fried flakes

5 is a flow chart schematically showing a manufacturing process according to an embodiment of the present invention. Referring to Figure 5, the method for producing a pellet using the fried flakes according to an embodiment of the present invention, the step of collecting the fried flakes (S100), classifying the foreign matter from the collected fried crumbs (S200), the foreign matter is A step (S300) of crushing the sorted fried flakes (S300), the step of heat-treating the crushed fried crumbs (S400) and the step of compression molding the heat-treated and sorted fried crumbs (S500).

Collecting the fry flakes (S100) is a step of collecting the waste fry used in daily life, including the process of collecting the remaining oil and the like used before being put into the pellet manufacturing apparatus (not shown). Collecting the fried flakes (S100) is not only a process of collecting directly by the collector, but also into the pelletizer or pellets manufacturing process, such as the oil containing the fried flakes in order to put in an automated device that can be carried out by a series of automated processes Storage or collection.

Next, the step (S200) to classify the foreign matter from the collected fried crumbs. Collected fried flakes are generally obtained by collecting oil and filtering oil, but may include iron, plastics, and other food waste in the cooking process. Therefore, the fried crumbs filtered from the collected oil may further perform a step of removing foreign substances. By removing the steels, plastics, etc., it is possible to solve various problems caused by the inclusion of foreign matter in the pellets and damage to the apparatus generated in the subsequent pellet manufacturing process.

Next, the step (S300) of crushing the fried flakes classified foreign matters can be performed. The fry flakes are required to be crushed to an appropriate size because the pellet thickness varies depending on the particle size.

6 is a view for comparing the difference in pellet thickness according to the manufacturing process of the present invention, Figure 7 is a photograph for comparing the difference in pellet thickness according to the manufacturing process of the present invention.

Referring to Figures 6 and 7, it can be seen that the pellets formed in different thicknesses and sizes, respectively. Such a difference in the thickness of the pellet is formed differently depending on the size of the particles of the crushed fry flakes, for example, b pellets of Figure 6 is a thickness formed when pulverized larger than the a crushed particles of Figure 6, c pellet of Figure 6 Is a thickness formed when the powder is pulverized smaller than the a pulverized particle of FIG.

The smaller the particles to be pulverized, the larger the surface contact area between the particles and the stronger the cohesive force, the greater the thickness can be formed. Therefore, the pellet according to the embodiment of the present invention can be seen that by controlling the size of the pulverized particles, the thickness and width of the pellet can be controlled.

On the other hand, the grinding according to an embodiment of the present invention is to control the size of the grinding particles by varying the arrangement, shape, speed, etc. of the cutting blade is not limited to the grinding method.

Next, the method of manufacturing pellets using the fried crumbs according to an embodiment of the present invention may include heat treating the ground fried crumbs.

 On the other hand, the heat treatment step of the fried crumbs may include a first heat treatment step (S400) and the second heat treatment of the crushed fried crumbs (S500). The primary heat treatment step (S400) is a process of preheating to maintain a constant optimum operating temperature. In the preheating step of the first heat treatment step (S400), the oil contained in the fried crumbs may additionally flow out as the temperature increases.

The first heat treatment step (S400) may be performed by using a specially made cooker such that oil may be extracted at the same time as preheating to discharge the oil contained in the crushed fried flakes. However, the above-mentioned devices and the like are not limited to the above-mentioned devices, devices and the like which can extract oil at the same time as preheating.

The appropriate temperature of the first heat treatment step (S400) may be 70 ℃ ~ 120 ℃.

Next, the method of manufacturing pellets using the fried crumbs according to an embodiment of the present invention may include a second heat treatment step (S500).

The secondary heat treatment step (S500) is a step of reheating the frying crumbs subjected to the first heat treatment in a temperature range of 100 ° C to 145 ° C. The appropriate temperature range of the secondary heat treatment step can affect the strength and viscosity of the pellets so that the pellets do not break easily and maintain their own shape.

For example, in the temperature range of 100 ° C. or less, since vegetable oil maintains a gel state, it is not easy to classify the oil during compression molding after heat treatment.

On the other hand, in the temperature range of more than 135 ℃ vegetable oil changes to a sol (sol) state is easy to compression molding after heat treatment, it can be extracted without spraying the oil in the compression molding process.

On the other hand, according to the method for producing pellets according to an embodiment of the present invention, the temperature of the first heat treatment step may be carried out in the range of 70 ℃ or more and less than 100 ℃ according to the amount of raw materials of the pellet, type of apparatus, etc. In addition, the secondary heat treatment temperature may proceed in the range of 135 ° C or more and less than 145 ° C, and does not limit the temperature range of the heat treatment to a specific range.

Method for producing a pellet using a frying crumb according to an embodiment of the present invention may include a step (S600) of compression molding the sorted fried crumbs. Compression molding the frying crumb (S600) may be performed using a compressor in which a receiving space of a pellet form is formed, and a pressure in the range of 300 to 500 bar may be applied.

When the compression pressure is applied in the compression molding step (S600) of less than 300 bar, the strength of the pellet is weak and easily broken, the compressor may be damaged when compressed to a pressure of 500 bar or more.

However, the compression pressure may be 400 bar or more and less than 450 bar according to the characteristics of the device, it may be performed in a higher pressure or a lower pressure range is not limited to the embodiment of the present invention to the above pressure range.

 The pellets produced by the method of manufacturing pellets using the fried flakes can maintain the form and strength of the pellets which are convenient for storage, transportation and use, and can be used as fuel by the oil contained in the fried flakes as energy sources for various power plants. Can be used.

In addition, the thickness, strength and the like of the pellets can be controlled according to control methods such as size pressure and temperature of the raw material particles, so that pellets suitable for use as a solid raw material can be produced.

As discussed above, the method for preparing pellets and pellets using fried powder according to an embodiment of the present invention does not need to remove moisture by removing moisture included in flour dough and the like, and recycling waste cooking oil. By recycling the remaining frying powder as fuel, it is possible to solve various environmental pollution problems caused by discarding the frying powder.

The description of the present invention as described above is for illustrative purposes, and those skilled in the art to which the present invention pertains can understand that the present invention can be easily modified in other specific forms without changing the technical spirit or essential features of the present invention. Could be. Therefore, it should be understood that the embodiments described above are exemplary in all respects and not restrictive. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined form.

The scope of the present invention is shown by the following claims rather than the above description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention. do.

100,200,300,400: pellet

Claims (12)

A frying crumb formed of a solid material having a predetermined width and a predetermined thickness; a through hole formed by passing in a predetermined thickness direction of the solid material; Including, The through-hole is formed in a plurality, in the pellet using the fried flakes formed by varying the size and shape,
The fried crumb particles,
It is formed by grinding uniformly from 10 um to 1 mm,
The pellet,
Without a separate water removal step to remove the water inside the crushed fried flakes,
Preheating step to preheat within the temperature range of 70 ~ 120 ℃, to discharge the oil contained in the uniformly crushed fry crumb to the outside;
A second heat treatment step of reheating the fried crumbs through the first heat treatment step within a temperature range of 100 to 145 ° C. to cause the particles constituting the fried crumbs to aggregate; And
Re-heating through the second heat treatment step to compression-molded the frying crumb in which the particles are aggregated within a pressure range of 300 ~ 500bar, compression molding to form the pellet in a set shape and shape; by
Pellets using fried flakes, characterized in that it is manufactured. delete delete delete delete delete Collecting frying crumbs;
Classifying foreign matters from the collected fried crumbs;
Grinding the fried crumbs in which the foreign matter is classified;
Heat-treating the ground fried flakes; And
In the manufacturing method of the pellet using a frying crumb comprising;
The grinding step,
The particles of the fry flakes to form uniformly 10 um to 1mm,
The heat treatment step,
A first heat treatment step of preheating the uniformly ground fried crumbs; And
The second heat treatment step is to maintain the inherent shape of the pellets by agglomeration between the fry crumb particles formed by providing a higher temperature than the first heat treatment step to the fry crumb after the first heat treatment,
The first heat treatment step,
Preheating the pulverized fried crumbs in the temperature range of 70 ~ 120 ℃, to discharge the oil contained in the crushed fried crumbs to the outside, and further comprises an oil extraction step of the discharged containing oil is recycled,
The secondary heat treatment step,
Reheating the frying crumb preheated through the first heat treatment step within a temperature range of 100 to 145 ° C., so that the frying crumb from which oil contained therein is more coagulated through the first heat treatment step. Method for producing pellets using the fried flakes.
The method of claim 7, wherein
The compression molding step,
By compression molding in the pressure range of 300 ~ 500bar the frying crumbs reheated and aggregated through the secondary heat treatment step,
Method of producing a pellet using a frying crumb so that the pellet is formed in a set shape, so that it is not easily broken.
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