WO2010005247A2

WO2010005247A2 - Polymer composite comprising cornstalk rind powder, and method and device for obtaining cornstalk rind strip from corn plant

Info

Publication number: WO2010005247A2
Application number: PCT/KR2009/003764
Authority: WO
Inventors: 홍은영
Original assignee: Hong Eun-Young
Priority date: 2008-07-09
Filing date: 2009-07-09
Publication date: 2010-01-14
Also published as: WO2010005247A3

Abstract

Disclosed are a polymer composite comprising a cornstalk rind powder, and a method and a device for obtaining cornstalk rind strips, whereby the cornstalk rind strips can be easily and economically separated off from a corn plant and dried. The polymer composite includes: synthetic resin polymers; and biofibres comprising a cornstalk rind powder. The method for obtaining cornstalk rind strips comprises: a mowing step of cutting and gathering lower portions of cornstalks standing in the field; a clearing step of producing clean cornstalks by allowing the cut cornstalks to pass lengthwise through the inside of a cleaning path and separating the corn ears and leaves from the cornstalks; a step of obtaining cornstalk rind strips by separating the cornstalk piths from the clean cornstalks; an intertwining step of producing a cornstalk rind strip pack by intertwining the cornstalk rind strips; and a dropping step of dropping the cornstalk rind strip pack onto a field.

Description

Method and apparatus for obtaining cornstalk shell strips from corn composites and polymer composites comprising cornstalk shell powder

FIELD OF THE INVENTION The present invention relates to a polymer composite comprising cornstalk stalk powder and a method and apparatus for obtaining cornstalk stalk strips from corn plants, and more particularly, to easily, economically isolate cornstalk stalk strips from corn plants. The present invention relates to a method and apparatus for drying, and a polymer composite using cornstalk stalk powder obtained by the above method.

Polymer composite is a mixture of plant bio-fibers, such as wood powder, with synthetic resin polymers such as polypropylene (PP), polyethylene (PE: polyethylene), and vinyl chloride (PVC: polyvinyl chloride). , It refers to a product formed by adding a coupling agent, a UV stabilizer, a UV absorber, a pigment, and the like.OSB (Oriented Stranded Board), Particle Board, MDF It's a totally different product from Medium Density Fiberboard, commonly known as synthetic wood or WPC (Wood Plastic Composite). OSB and particle board are not biomass in powder form, but square biofiber flakes with at least one side of 25mm or more, and MDF is manufactured by pressure-molding fibers extracted in a cotton-like shape from plants, respectively. Urea, soy bean protein and similar adhesives are used. Typically, OSBs, particle boards, MDFs, etc. are classified as "composites" but are completely separate from "Bio-fiber polymer composites". Polymer composites, which do not use adhesives, began to be used in the 1990s, and in the 2000s, a wide variety of materials such as outdoor decking, landscaping, building exteriors, stair handles, wooden house structural materials, interior decoration materials, automotive interior materials, container box interior materials, ship interior and exterior materials, etc. It is used in the field. The global market is growing by more than 10% every year due to its semi-permanent durability, water resistance, non-toxicity and ease of molding. The process of making a polymer composite can be divided into two parts. The first step is to combine the various elements, combining them while raising the temperature to just under 200 ° C. This is called compounding, and the intermediate material obtained through this process is called compound. In the second process, the compound is put into a molding machine such as an extruder or an injection molder and extracted into the shape of the product. In particular, the polymer composite is characterized in that no adhesive is used, unlike conventional composites such as OSB, particle board, MDF, and the like.

Wood powder has conventionally been used as a representative biofiber for producing polymer composites. For this reason, polymer composites have been called "wood plastic composites" (WPC). However, wood powder has the following problems as a raw material of the polymer composite. First, due to the fact that it is pulverized into a powder of too small size (100-300 μm), and secondly, due to the large loss of biofibers during the decomposition process of lignin, it is impossible to achieve the effect of strengthening the structure as a fiber. There is a limit. Therefore, since the structure reinforcing function as a fiber is deteriorated, in the process of forming a polymer composite product, when using the existing wood powder, the compound is pressed very hard for strength strengthening to make a finished product. This can also be seen in the fact that the specific gravity (1.2-1.5) of the finished polymer composite is much higher than that of the compound (0.49). Since wood powder does not function properly as a biofiber, the fact that many raw materials are added and pressed hard to make finished products leads to an increase in material costs, production facility investment costs, and energy costs. In addition, the polymer composite product using the wood powder has a disadvantage that the product itself is too heavy, the hardness is high, the workability is poor.

Recently, it has been known that biofibers contained in corn stalks have several advantages. As a biofiber, a comparison of corn stalks and wood powder is shown in the table below. Here, the wood powder is made of northern soft wood such as unsong.

Table 1

	Fiber length (mm)	Fiber diameter (μm)	Cellulose and hemicellulose (%)	Lignin (%)	Polysaccharides (%)
Northern Softwood	2.7-4.6	32-43	40-52	26-32	8-12
Corn stand	1.0-1.5	18-22	46-52	16-17	27-28

As shown in Table 1, when the specific gravity of cellulose and hemicellulose is relatively higher, it means that the fiber is that much stronger, the higher the specific gravity of lignin means that it is harder and less intense. Therefore, corn bran has an excellent characteristic of high cellulose density and low lignin ratio, compared to wood powder. In addition, compared to the northern soft wood, corn fiber fibers are only half the thickness of 20 μm, so the bond is very high when mixed with the polymer. On the other hand, the short length of corn cob fiber compared to wood can not be a relative disadvantage. This is because, in the case of wood, it can only be used by grinding into very fine particles having a size of 0.1 to 0.3 mm. The reason for making the wood powder fine is that it is necessary to use chemicals to lower the lignin content and neutralize the weakly acidic properties. Northern soft wood has a pH value of about 8, which must be neutralized to be used as a raw material for the compound. Since the surface area of the particles should be wider to improve the efficiency of chemical treatment and reduce the amount of wastewater discharged, wood powder biofibers are provided in very fine powders of 0.1 to 0.3 mm in size. As a result of fine milling and chemical treatment, the wood powder is damaged in strength as a biofiber, but rather remains meaning only as a filler. Corn cobs, on the other hand, can be directly used as raw materials without undergoing this chemical process. Because it can be used directly without chemical treatment, the process is not only omitted, and the particle size does not need to be broken into fine powders in order to increase process efficiency. Rather, the polymer composite finished product can maintain particle size to an unobtrusive level.

Thus, the cornstalk powder itself, even before it is separated into the shell powder and the genus powder, can be seen that it has superior properties to wood powder when used as a raw material of the compound and the polymer composite, only from the constituents, but In fact, the reality is that corn cob powder is not used as a raw material in the industrial field. The reason for this is the problem of homogeneity and the problems of volume and specific gravity. Specifically, the polymer composite is manufactured by molding a compound in which vegetable biofibers and petrochemical polymers are mixed and blended. When making a compound, the homogeneity of the biofibers and the volume difference between the biofibers and the polymer, i.e. the specific gravity of the biofibers, become an important problem. If the biofiber raw material is not homogeneous or if the volume difference between the biofiber and polymer is too large, a good compound cannot be made. That is, corn cob powder is unsuitable as a raw material of a polymer composite in homogeneity and volume (specific gravity).

First, looking at the problem of homogeneity, the whole cornstalk (WCS) consists of "cornstalk rind" (CSR) and "cornstalk pith" (CSP). Are anatomical elements (AEs) with completely different physical properties. The two substances differ not only in the composition of cellulose (Cellulose and Hemi cellulose) and lignin (Lignin), but also by five times in volume specific gravity. Corn bar stalk powder is more flexible and solid than wood powder and has a specific gravity of 0.25. Corn cob powder, on the other hand, has a hard and hollow character, like a broken cane, with a specific gravity of only 0.05. Corn bark powder is a mixture of two particles of completely different physical properties, so the homogeneity is poor, it can not produce a high-quality compound. Therefore, when corn cob powder is used as a biofiber, instead of one homogeneous biofiber particle, two bio-mass materials having different physical properties, that is, corn cob husk particles and cob particles, are added. Will be. Corn cob is a very good biofiber, whereas cob is just a solid waste of lignin and polysaccharides. In other words, when corn cob powder is used as a raw material, the compound facility does not compound two materials, a biofiber and a polymer, but three materials including a corn fiber, a corn cob outer powder, a polymer, and a corn cob powder. Is subjected to the load that needs to be compounded.

Let's look at the second problem with cornstalk powder: volume, specific gravity. Corn cob meal powder increases the volume of corn cob powder to decrease its specific gravity. The table below shows the specific gravity of corn cob and cob powder.

TABLE 2

		When mixed with corn cob powder
	importance	Volume ratio (%)	Weight ratio (%)
Corn cob powder	0.12	100%	100%
Corncob stalk powder	0.25	34%	72%
Corncob cob powder	0.05	66%	28%

As shown in Table 2, the specific gravity of the cornstalk powder in the swollen state (Agitated State) is only about 0.1g / cm ³ . Also, about two-thirds of its volume is corncob meal, which degrades the properties of polymer composite products. In today's polymer composites, the blending ratio of biofibers and polymers is 70:30 or 80:20 by weight. The specific gravity of wood powder used is about 0.2 and the specific gravity of petrochemical polymer is about 1 or so. Therefore, the volume difference between the wood powder biofiber and the polymer is about 12: 1 when the blending ratio is 70:30, and about 20: 1 when the ratio is 80:20. Using a cornstalk powder with a specific gravity of only 0.1, which is half that of the wood powder, the volume difference is 24: 1 at the 70:30 blending ratio and 40: 1 at the 80:20 blending ratio.

This causes a very serious problem for the following reasons. Biofibers and polymers do not mix well. For two materials that do not mix well, the larger the volume difference, the more difficult it is to mix and combine them. The larger the volume difference between the biofiber and the polymer, the greater the load the compounding equipment has to bear. That is, when kneading vegetable biofibers and petrochemical polymers having different physical properties from each other, if the volume difference between the two materials is large, compound production itself is impossible. If cornstalk powder is used instead of wood powder, the volume difference becomes so large that it is impossible to produce a good compound. Therefore, separating the cob meal from the corn cob powder not only solves the problem of homogeneity, volume and specific gravity, but also improves the components of the biofiber. The characteristics of cornstalk outer shell powder are shown in the table below.

TABLE 3

	importance	Cellulose Content (%)	Lignin Content (%)
Corn cob powder	0.1	46-50%	16-17%
Corncob stalk powder	0.25	68%	10%
Northern Softwood	0.2	40-52%	26-32%

As shown in Table 3, in the case of cornstalk outer shell powder, the cellulose content reaches 68%, and the lignin content deteriorates physical properties of the product is only 10%. Therefore, it can be seen that cornstalk outer shell powder has physical properties that improve properties such as durability of the polymer composite. Thus, cornstalk stalks can be used as a very good raw material for making polymer composite boards, medium density fiberboards (MDFs), oriented stranded boards (OSBs), particle boards, and pulp.

As the biofibers used in the polymer composite, that is, bio-mass, cornstalk powder is more useful than wood powder, and cornstalk shell powder is more useful than cornstalk bundle powder. However, the question of whether such biomass can be used economically is not only what materials can be extracted from the biomass, but also the preprocessing process involving the collection, transportation, and storage of the biomass is economical. It is often determined by the question of what can be done. In other words, corn cobs containing a large amount of high quality biofiber have been made at least in various laboratory applications for industrial applications, for example, pulp using corn cobs, medium density fiberboard (MDF), and synthetic wood (Bio). -Fiber Polymer Composite) has been actively studied all over the world. However, the main reason why corn cobs are difficult to use in industrial sites is the difficulty of pretreatment processes including collection, transportation, storage and storage.

For example, consider an annual 300,000 tonne MDF plant. Approximately 300,000 tonnes of biofiber should be used, which translates into approximately 600,000 tonnes of cornstalk chips. If the ratio of corn chips is 0.1, this is an astronomical amount of 6 million m ³ . However, if the section is made only from the top, not from the entire corn pole, the amount is reduced to 1.5 million m ³ . In addition, since the content of polysaccharides and lignin causing corruption in the outer shell is small, it is easy to dry and store naturally. Furthermore, MDF and pulp must be chemically treated with cornstalks to extract the fibers in cotton-like form, in which case the entire cornstalks are three to four times larger in volume, which greatly increases the processing cost. Therefore, the whole cornstalk including cob has a large cost increase in terms of transportation, drying, storage, storage, and processing compared to the case where only the cornstalk shell is separated, so that cornstalks cannot be used as a raw material of biofiber. Make.

As for the pretreatment of corn cob, there are two main technologies. One of them is a method of mixing and storing antiseptic chemicals in cornstalks, with the exception of separating the outer and inner portions of cornstalks. Propionic acid is recommended as a preservative to be used. However, this method has the following weaknesses. First, propionic acid itself is expensive. The researchers suggest applying 10 to 30 kilograms of propionic acid per tonne of corn, which is a significant cost increase. Second, the volume difference between cornstalks and propionic acid is so large that it is virtually impossible to mix them quickly and evenly with very low costs. One ton of corn stalks is about 15 m ³ in a naturally dried chip state and about 10 m ³ in a powder state. Here, the term "chip" refers to thin flakes within 2.5 cm square. On the other hand, 10 kg propionic acid is only 0.01 m ³ . It is virtually impossible to mix these two bulky materials quickly and economically. Third, evenly mixing propionic acid in corn stalks is not easy to store. One ton is about 15m ^{3 in the} chip state, and about 10m ^{3 in the} powder state. This means more than twice as much storage space as a tree. In the case of wood, the chips are about one ton of about 6.8m ³ it is about of about 5m ³ in powder form. Therefore, pretreating, transporting, storing, and storing the whole corn barn greatly increases the cost unless the outer and outer parts of the corn bar are separated and only a high specific bar is obtained. However, if only the cornstalk shell can be obtained separately, there is no reason to apply a preservative such as propionic acid. This is because corn stalks have a relatively low content of polysaccharides or lignin leading to corruption, and can be naturally dried or artificially dried at a very low cost.

In the second pretreatment method, instead of applying a preservative to the cornstalk, the cornstalk is separated into the outer shell and the outer shell, and a method mainly using wind passages has been studied and proposed. The wind path is based on the difference in the specific gravity of the cornstalk outer shell and the inner shell. Corn's outer and inner parts have a fivefold difference in weight. For example, the specific gravity of the superficial powder is 0.25 in the agitated state, whereas the specific gravity of the superficial powder is only 0.05. When the outer shell and the inner shell are broken into particles of the same or similar size, and then put into the passage where the wind is blowing, the point where the outer particles fall and the inner particles fall due to the difference in the weight of the two materials. The problem of how much it blows in the wind is ultimately determined by the interaction between the weight and the drag force. The outer shell is five times heavier than the outer shell, so if the particle size is the same, the outer particle is five times heavier than the outer shell. Therefore, when the size is the same or similar, the outer particle moves in the wind path in a completely different way than the outer particle.

However, the method has the following disadvantages. First, crushing corn stalks does not produce outer and inner grains, but produces grains that have a lump in the outer shell. Second, the size of the particles is each. Some smaller ones may not even be 1 mm ³ , while others may be 1 cm ³ . Due to the large variation in particle size, the movement in the wind channel is also unpredictable. Thus, Aziz Ahmed, a researcher at the Forest Products Laboratory of the US Department of Agriculture, one of the world's most prestigious research institutes on biofibers, says that it virtually gives up on the separation of corn stalks and cobs: It is making a point. "It is not necessary to separate the cores. Not only is the ratio of the cores relatively low, but also the cores contain significant amounts of good quality biofibers. The cornstalks are cut at intervals of 2 to 4 cm to reduce the water content to 8%. Air drying is sufficient ”(Aziz Ahmed and JY Zhu, Cornstalk as a source of fiber and energy, 2006, Proceedings of 3rd international symposium on emerging technology of pulping and papermaking; 2006 November 8-10; Guangzhou, China; Guangzhou , China: South China university of technology press: (new technologies in non-wood fiber pulping and papermaking; Huaiyu, Zhan; Fangeng, Chen; Shiyu, Fu, eds .; pp. 1-4). In addition, it is worth noting that the weight ratio is only 28% by weight, but 66% by dry powder volume. 80% or more, therefore, without removing the inner shell, the volume problem is very serious: “Efficiency of volume” is a very important factor in the industrial method of transportation, storage, storage, loading and processing.

Thus far, research and technology have focused mainly on the use of high quality biofibers contained in cornstalks, and how the cornstalks can be pre-treated for easy transportation, storage, storage, and loading. The reality is that there are no clear achievements yet. In addition, when the entire corn stand including the corn cob in the mass production process, productivity is greatly reduced, quality control is very difficult. This is because the biofiber mass production process involves a thermochemical treatment process because lignin and polysaccharides contained in large amounts of corn cob boil over during the thermochemical treatment process. After all, the problem of using cornstalks, in particular cornstalk shells, as biofibers is related to how to obtain cornstalk shells effectively, i.e., the economic acquisition of cornstalk shells.

In addition, in order to economically obtain the cornstalk shell, the cornstalks in the fresh state in which the moisture is retained must be treated. Here, the "fresh state" refers to a state not exceeding 90 days with the roots standing in the field from the time when the corn grains are closed. In particular, there is a need for a method and apparatus for obtaining cornstalk shells by treating cornstalks rooted in the field in large quantities. That is, the cornstalk outer shell can be obtained in the field field, and if it is naturally dried in the field field and moved to have a sufficient economic efficiency as a biofiber. If you move the cornstalk itself to separate the outer shell and the outer shell at the non-site, or if you remove the outer shell from the field field and move to a moist state, the transportation and construction costs increase rapidly. For example, according to the experimental results, assuming that the volume of the fresh corn stand in the field is about 7 m ³ loaded by the load, about 1.8 tons by weight. Depending on the variety, this is about 4,000 to 1,000 cornstalks. If you remove the corn kernels and leaves from here, it is about 3m ³ and weighs about 1.2ton. In this case, removing the inner shell, a damp outer shell having a moisture content of about 80% remains about 1 m ³ , which is about 250 kg in weight. When it is completely dried in and around moisture content 5%, the outer shell remains about 50 kg. When the outer shell is crushed and packed, the volume does not become 0.15 m ³ . In summary, there is a difference of about 47 times in volume and about 36 times in weight between the freshest corn plants and the dry cornstalk outer shell powder.

In a conventional corn harvester, two types of agricultural automation devices are mainly used as agricultural automation devices for processing corn at high speed while moving on a tractor basis. One is the Forage Harvester, which harvests the Whole Corn Plant from its pre-aging stage, and the other is the Corn Combine Harvester. The food harvester is a device for mowing the whole part of the young corn plants, which are on the ground, before the corn grains are ripening, including cornstalks, leaves, baby corn ears, and dwarf corns. The entire corn plant, including all corn ears, is chopped to a length of 2 to 5 cm in length inside the food harvester and then transported to a moving truck or trailer with a distance of 1 to 5 m from the moving harvesting machine. This whole corn plant (WCP) is fermented into finely chopped, soaked food and used as feed. In terms of mechanical structure, the food harvester is a means of mowing the entire corn plant, a passage through which the entire harvested corn plant is drawn, a rotary blade to chop the entire corn plant finely, and an air transport to release the cut pieces. It consists of an air blower. On the other hand, the corn grain harvester mainly performs the following operations. First, harvesting and drawing the entire corn plant, separating the corn ear from the corn stalks, peeling off the corn husk from the separated corn bucket, corn cob Scooping the grains of corn from the grains, transferring the grains of corn grains to a storage space of a truck or trailer moving together, and slicing the leaves, the apricot corn barrel, and the corn harmonica from the step into a field. do.

In addition, if you use a paddle separator that does not have mowing and refining functions, but only has a paddle-to-strap separation function, one person will heal the tortilla and lay it down so that the other can carry it. It takes approximately 15 seconds per bone and, on the assumption that there is a shell-to-strap separation machine within a radius of 10 meters, it takes an average of 10 seconds per bone to put the cornstalk into the separation machine. In other words, it takes about 25 seconds per house to add the machine. If 25g of dried barn comes out, one ton of dry barn would require about 35 man / day of labor if the separation machine moved an average of 10m away from the corn planter. . Thus, even if the sheath-to-separation machine is put into the field to automate the process of trimming the leaves and apricots and the sheath separation process, and even if the separation machine is within an average radius of 10 m from the sickle and dosing operators, the sickle and The labor required for the input requires about 35 holes per ton of dry skin. Therefore, if you want to use cornstalk as a biomass raw material for biofiber, you can cut the cornstalks from the local fields and extract the outer shells to dry them in the local fields. Even the process of making a pack) and dropping it into a field, it is necessary to fully mechanize it based on a tractor to be economical. In other words, in order to use cornstalk as a biofiber, an economical mechanized method is required in which corn plants standing in field fields can be harvested, and only the outer shells are peeled off and dried naturally.

SUMMARY OF THE INVENTION An object of the present invention is to provide a polymer composite comprising a high strength corn bark outer powder.

It is another object of the present invention to provide a method and apparatus for removing corncob envelopes to obtain cornstalk shells that are easy to transport, store, store and feed as biofibers.

It is a further object of the present invention to provide a method and apparatus for obtaining a shell by removing the corncob envelope, which is simple and cost-effective.

It is yet another object of the present invention to provide a method and apparatus for obtaining cornstalk strips from corn plants standing in the field in order to maintain freshness.

In order to achieve the above object, the present invention is a bio-fiber (bio fiber) comprising cornstalk outer shell powder; And it provides a polymer composite comprising a synthetic resin polymer. In addition, the present invention comprises a harvesting step of cutting and attracting the lower portion of the cornstalk of the corn plants standing in the field; A purification step of passing the cut cornstalks in a refining passage in a longitudinal direction to separate the cornstalks and leaves from the cornstalks to form purified cornstalks; Separating corncob bundle from the purified corncob, thereby obtaining a cornstalk outer strip; A weaving step of weaving the cornstalk strip strips to form a cornstalk strip strip mass; And a dropping step of dropping the cornstalk strip strip mass onto the field. Here, the step of separating the cornstalk bundle, to obtain a cornstalk outer strip, cutting the cornstalk in the longitudinal direction to expose the cornstalk bundle; Arranging the cut cornstalks such that the corncobs bundle faces a direction; Squeezing and unfolding the cut corncob, thereby increasing the exposed area of the corncob bundle; And it is preferable to include a method for obtaining the outer shell by removing the corncob inner core comprising the step of scraping the unfolded corn bark inner surface.

Since the polymer composite including the cornstalk outer shell powder according to the present invention includes cornstalk outer shell powder with excellent physical properties, it is excellent in strength, durability and flexibility. In addition, since the cornstalk outer shell powder according to the present invention is cheaper, the raw material cost is reduced, and the strength is maintained even when foaming, so that the polymer composite can be economically produced, and when foaming, cutting and screwing The product is not broken or damaged during the work, the work of the tarker, and the punching work, and thus the disadvantage of poor workability due to too heavy and high hardness of the conventional polymer composite.

The method and apparatus for obtaining a cornstalk outer strip from a corn plant according to the present invention provides an economical and realistic method for using cornstalk as a biofiber raw material. Fiber can be obtained as a raw material. Second, not only can the outer surface be obtained from the field, but it can also be woven into the field (CSRSP) and dropped into the field to allow it to air dry, thereby greatly reducing transportation, drying and storage costs. Considering that the moisture content of the shells is 80% when mowing cornstalks, this allows (1) significantly reducing transportation costs, and (2) high-performance drying to keep the damp shells from rot. Essentially eliminates the need to have storage facilities, and (3) fully automated from the mowing stage to the mass dropping stage, so that the cornstalk shell can be obtained at low cost. Third, using a rope made of cornstalk outer strips (CSRSR), the cornstalk outer strips are lumped, thus eliminating the need to recover the ropes when entering the biofiber process. The need for additional labor or installation of machinery to recover the ropes that will act as impurities in the process is completely eliminated. Fourth, when dropping the cornstalk strip strip (CSRSP) to the field, the cornstalk paddle during the natural drying process by the carpeting operation to spray some or all of the purification by-products generated in the refining step in the dropping area Minimize staining of the strip by dirt or dust.

In addition, according to the present invention, in the corn producing regions all over the world, it is possible to eliminate the practice of generating a large amount of pollution by burning corn poles in the winter, when the corn is grown in a region with very low rainfall, corn grains are not formed. As it grows, even if corn grains do not form, the corn stalk itself has minimal economic feasibility, which prevents desertification and makes it possible to grow corn as a crop with a certain economic feasibility. In addition, it provides a way to produce very high quality feed with only corn cobs, the by-product obtained by obtaining corn cobs.

1 is a flow chart illustrating a method of obtaining a cornstalk outer strip according to an embodiment of the present invention.

Figure 2 is a flow chart illustrating a method of obtaining a cornstalk outer strip according to another embodiment of the present invention.

3 is a side view of a device for obtaining cornstalk outer strips according to one embodiment of the present invention;

Figure 4 is a photograph illustrating the mowing means of the apparatus for obtaining cornstalk outer strip according to an embodiment of the present invention.

5 is a plan view of harvesting means of the apparatus for obtaining cornstalk stalk strips according to another embodiment of the invention.

FIG. 6 illustrates a purification passage of a device for obtaining cornstalk outer strips according to one embodiment of the present invention. FIG.

7 is a side view of a purification passageway of a device for obtaining cornstalk outer strips according to one embodiment of the present invention.

8 illustrates a manufacturing step of a method for obtaining a cornstalk outer strip according to an embodiment of the present invention.

FIG. 9 illustrates a shredding ejector of a device for obtaining cornstalk outer strips according to one embodiment of the present invention. FIG.

FIG. 10 illustrates a shredding ejector of an apparatus for obtaining cornstalk outer strips according to another embodiment of the present invention. FIG.

11 is a view for explaining a dropping step of a method for obtaining a cornstalk outer strip according to an embodiment of the present invention.

12 is a flow chart of a method for obtaining a cornstalk strip in a method of obtaining a cornstalk strip in accordance with an embodiment of the present invention.

13 and 14 are views of the apparatus for obtaining a cornstalk outer strip according to an embodiment of the present invention, wherein the apparatus for obtaining cornstalks by removing the cornstalks is viewed from the side and from the top, respectively.

15 is a view for explaining the operation of the surface-oriented laying means in the device for obtaining a cornstalk outer strip according to an embodiment of the present invention.

16 is a view for explaining the operation of the spreading means in the device for obtaining a cornstalk outer strip according to an embodiment of the present invention.

17 is a view for explaining the action of the plane-oriented planer means in the device for obtaining a cornstalk outer strip according to an embodiment of the present invention.

18 is a view illustrating a leaf trimming device in the apparatus for obtaining a cornstalk outer strip according to an embodiment of the present invention.

(Example)

Hereinafter, with reference to the accompanying drawings, it will be described in detail a method and apparatus for obtaining a cornstalk outer strip from the polymer composite and corn plants according to a preferred embodiment of the present invention. The present invention is based on Korean Patent Application Nos. 10-2008-0041669, 10-2008-0066436, and 10-2008-0099635, all of which are described in the above patent applications.

The polymer composite according to an embodiment of the present invention includes a biofiber and a synthetic resin made of corn cob outer powder. Examples of the synthetic resin polymer include polypropylene, polyethylene, polyvinyl chloride, polyester, mixtures thereof, and the like. The length of the cornstalk outer shell powder used as the biofiber is 0.1 to 10 mm, preferably not more than 10 mm in the vertical direction, and 0.1 to 7 mm in the horizontal direction. In this case, "vertical direction" means perpendicular to the ground surface when the cornstalks grow, and "horizontal direction" means horizontal to the ground surface when the cornstalks grow. On the other hand, the biofiber consisting of the cornstalk outer shell powder is preferably 50 to 85% by weight relative to the polymer composite. If the ratio of the cornstalk outer shell powder is less than 50%, the polymer composite gives a bio-like, plastic-like feel instead of wood-like feel. On the other hand, when the ratio of the cornstalk outer shell powder is higher than 85%, the structural stability and strength of the polymer composite is weak. The cornstalk strip powder can be obtained by grinding the cornstalk strip strip obtained by the method and apparatus for obtaining a cornstalk strip strip according to the present invention described below. In addition to the above components, the polymer composite according to the present invention may be added with conventional additives, for example, binders, lubricants, UV stabilizers, UV absorbers, colorants, molds and microbial inhibitors.

The polymer composite according to the present invention is produced by first forming a compound, which can be called a raw material for an intermediate material, and then molding the compound by molding the compound into an molding machine such as an injection molding machine or an extruder. Two different techniques are used to make the compound. One is the extrusion method, in which a screw shaped screw is mixed with a biofiber and a polymer into a rotating cylinder, and the mixture is compressed and kneaded while raising the temperature to 200 ° C to make a compound. The other is a heating mixer method, in which a biofiber and a polymer are mixed into a mixer and mixed by mixing while raising the temperature to 200 ° C.

Next, a method and apparatus for obtaining a cornstalk outer strip according to the present invention will be described. The method and apparatus according to the present invention vary depending on the state of the corn plant (corn plant) standing in the local field, the state of the corn plant is classified into four categories. First, after the corn bucket is picked up by hand-picking (Hand-Pick), and applied to the corn plants standing in the field, in this case, the device for obtaining the cornstalk strip strip according to the present invention after the hand harvesting paddle harvester ( PHPH: Post-Hand-Pick rind Harvester. Second, in the case of harvesting the outer shell in combination with the process of harvesting corn ears (Corn Ear), in this case, the device for obtaining the cornstalk outer shell strip according to the present invention is a corn barrel-single simultaneous harvester (SERH: Single pass Ear) -Rind Harvester. Third, in the case of harvesting the outer shell in combination with the process of harvesting corn grains, in this case, the device for obtaining the cornstalk outer strip according to the present invention is called a grain-rip simultaneous harvester (SGRH: Single pass Grain-Rind Harvester) Name it. Fourth, in the case of harvesting the outer skin, in combination with the forage harvesting step of harvesting corn plants that have not yet grown to make feed forage, in this case, feeding the device according to the present invention- It is called Single Pass Forage-Rind Harvester (SFRH). The method and apparatus according to the present invention apply to all four cases, and the method and apparatus according to the present invention will be described based on the case of harvesting cornstalk outer strip after hand harvesting.

1 is a flow chart illustrating a method of obtaining a cornstalk outer strip according to an embodiment of the present invention, Figure 3 is a side view of a device for obtaining cornstalk outer strip according to an embodiment of the present invention, Figure 4 is 6 is a photograph illustrating a mowing means of the apparatus for obtaining a cornstalk outer strip according to an embodiment of the invention, Figure 5 is a plan view of the mowing means of the apparatus for obtaining a cornstalk outer strip according to another embodiment of the present invention, Figure 6 Is a view for explaining the purification passage of the device for obtaining cornstalk outer strip according to an embodiment of the present invention, Figure 7 is a side view of the purification passage of the device for obtaining cornstalk outer strip according to an embodiment of the present invention. .

Method of obtaining a cornstalk outer strip from the corn plants according to an embodiment of the present invention, as shown in Figure 1, the harvesting step (S 取) to harvest the corn plants (S 取); Purifying step (S 30) to remove the corn barrel and leaves from the corn cornstalks obtained purified cornstalks; Removing corncobs from cornstalks to obtain cornstalk outer strips (CSRS) (S 40); Weaving step of weaving the cornstalk outer strip strips to form a cornstalk outer strip mass (S 70); And dropping the cornstalk strip strip mass into a field (S 80), and further comprising the step of making a rope (manufacture of a rope) from the cornstalk strip strip (S 60), in this case By using the cornstalk rind strip rope (CSRSR), it is possible to make the cornstalk outer strip lump.

The harvesting step (S 10) is a step of cutting and attracting the lower portion of the corn stand of the corn plant standing in the field, as shown in Figure 3, the corn plant cut in the harvesting means 100 is a purification passage Enter 200. That is, the harvesting means (S 10) is a means for cutting the corn plant, leading to the refining passage 200 in the longitudinal direction, as shown in Figure 4, a pair formed on the two cutting table 112 The corn plants standing in the field are cut by the feed rotary saw 115 and the cutting rotary saw 116, and are drawn into the refining passage 200 through the mowing inlet 118 in the longitudinal direction.

The purification step (S 30), while passing the corn stalks in the cut corn plant state in the purification passage (200, see Fig. 3) in the longitudinal direction (longitudinal), corn corn (corn ear) and corn leaves corn Separating from the stand, it is a step to make a cleared cornstalk. As shown in FIG. 3, the refined corn cob is transported to the corn cob removal means 400, and the separated corn cob and leaves are transported to the collection passage 300. In the purification passage 200 used in the purification step (S 30), as shown in Figure 7, a plurality of rollers 212 having various shapes and sizes are arranged up and down, and the cut corn plants ( As 70 passes between the rollers 212, the corn barrel and leaves are separated and transported to the collection passageway 300 located below. In addition, the purification step (S 30) to classify the purified cornstalk as well as to make the purified cornstalk. That is, as shown in Figure 6, a plurality of basin 214 is provided inside the purification passage 200, on the one hand, while removing the corn barrel and corn leaves from the corn stalk, on the other hand, mowing inlet ( In 118, a branch passage 216 for dividing the cornstalks coming into the bundle is formed. The branch passage 216 is divided into a plurality of sections, and is divided into sections I, II, III, IV, and V as shown in FIG. 6. Particularly, the section V is an individualization section, and a slot inlet 218 is formed at one end thereof, and a refined corn kernel is introduced into the slot inlet 218. Therefore, the cornstalks introduced through the harvesting inlet 118 are classified into one bone by the basin zone 214 as they proceed to section I, section II, section III, section IV and section V. Separation work by the rollers 212 (see FIG. 7) occurs not only in section V, which is an individualization section, but also in all sections. Here, from the cutting inlet 118 to the slot inlet 218, the top and bottom and left and right widths of the basin passage 216 per cornfield, that is, the cross section per Stalk (CSS) of the purification passage 200 is gradually increased. To narrow. When the main cross section of the cutting inlet 118 is CSS ₀ and the main cross section of the slot inlet 218 is CSS _n , the CSS is gradually narrowed in a process from '0' to 'n'. For example, if the lawn mower 30 of this example taken per second with the cutting slot area of 9,000cm ^2, CSS is a 300cm ^2, whereas, CSS of the slot input port 218 is generally no more than 30cm ^2. That is, passing through the continuous branching passage 216, the CSS is reduced to about 1/10, and thus, the reason for the sudden drop in the CSS is that the leaves are pressed in the continuous branch 216 between the rollers 212, Because I shake off the corn barrel.

In addition, the method for obtaining a cornstalk outer shell strip according to the present invention, as shown in Figure 1, the cutting step (S 50) for cutting the separated corn barrels and leaves and cut the cornstalks and leaves the cornstalk Carpeting step (S 52) that is pre-installed in the dropping place of the outer strip lump, the tablet discharge step (S 54) for discharging the remaining purified by-products to the outside without using in the carpeting step (S 52) and And a stomach discharging step (not shown) for discharging the separated stomach. The cutting step (S 50) is a step of cutting the corn bucket and leaves separated from the corn plant, the carpeting step (S 52) is a step of pre-installing the cut corn bucket and leaves, shown in Figure 3 As shown, the corn cans and leaves separated in the purification passage 200 are transferred to the collection passage 300, the corn cans and leaves are cut in the shredding ejector 310, and the cut corn cans and leaves are carpeted out. Through the part 320 is previously installed in the drop position of the cornstalk outer strip lump. In addition, the tablet discharge step (S 54) is a step in which the remaining unused in the carpeting step (S 52) is discharged to the outside, a portion of the cut corn barrel and leaves, as shown in Figure 3 It is discharged to the outside through the transfer pipe 340 and the outlet 342. The stomach discharging step (not shown) is a step of discharging the stomach separated from the purified corncob.

9 is a flowchart of a method of obtaining a cornstalk strip by removing the cornstalk shell in the method of obtaining a cornstalk outer strip according to an embodiment of the present invention. As shown in Figure 9, by removing the bundle from the cornstalk, to obtain a cornstalk outer strip (CSRS) (S 40), cutting the cornstalk in the longitudinal direction, exposing the cornstalks ( S 410); Arranging the cut cornstalks so that the cornstalk bundles face a predetermined direction (S420); Pressing and unfolding the cut cornstalk, thereby increasing the exposed area of the corncob bundle (S430); And scratching the unfolded corncob inner surface, to obtain a cornstalk outer strip (S440). In the present invention, the cornstalks cut in the longitudinal direction mean purified cornstalks.

Cutting the cornstalk in the longitudinal direction to expose the cornstalks in the longitudinal direction (S 410) and arranging the cut cornstalks so that the cornstalks in the predetermined direction (S 420), First, after inserting the cornstalks one by one, maintaining the left and right symmetry intervals of the cornstalks so that the center line of the cornstalk section is pushed toward the blade, the cornstalks are divided in half in a longitudinal direction in a long direction along the growth direction. And second, lying so that the inner surface of the semicircular cylinder has side orientation consistency, for example, the exposed inner surface faces to the ground, or the outer surface faces to the ground. This step yields two semi-circular cylindrical cornstalks with coarse faceted coherence. The cutting of the cornstalks and exposing the cores, it is preferred to cut longitudinally along the center of the cross section of the cornstalks to maximize the surface area of the cornstalks.

By pressing and unfolding the cut cornstalk, in step S430 of increasing the exposed area of the corncob bundle, the increase in the exposed area of the corncob bundle by pressing is 2 to 7 times, preferably 3 To 6 times. If the increase of the exposed area is less than 2 times, there is a possibility that the outer surface is removed together when scraping the corn cob inner surface due to insufficient exposure area, and when the increase of the exposed area exceeds 7 times, When the thickness is so thin that the outer surface of the corn cob is scraped off, the outer surface may be removed together. For example, to ensure that the cut corncob bundle is well exposed, first, the spreading force action is preferably performed on the outer side of the semicircular cylindrical cornfield, and second, the action point of the spreading force is the semicircular cylinder shape. It is desirable to start at the apex of the cornstalk cross section. The line connecting the vertices is called the center line of the semicircle cylinder. It is preferred that once the force is applied along the vertex, ie the center line, the spreading force is subsequently applied to the other part. Third, in order to apply the unfolding force to the center line of the semi-circular cylinder, it is preferable to maintain the left and right symmetric spacing of the semi-circular cylindrical cornstalks. By carrying out the above steps, a flat spread cornstalk having a thickness of 1 to 15 mm, preferably 1 to 5 mm can be obtained.

The step of scraping the corncob core surface (S 440), the basic principle of the present invention "to scrape the core as perfectly as possible to minimize the damage to the outer surface by concentrating the planar contact on the core surface. That is, when the semicircular cylinder shaped corncob bundle having a plane-oriented coherence faces the ground, the planer acts under the cornfield and vice versa, the planer acts above the cornfield. We call this principle "Side-Oriented Planing." In order to minimize damage to the outer shell, it is desirable to be able to scrape the inner shell surface a little deeper in several times instead of scraping the inner shell surface at once.

That is, the method (S 40) of removing the cornstalks to obtain the outer shell, cutting the cornstalk in the longitudinal direction to expose the cornstalks, the cornstalks are cut so that the cornstalks are directed in a constant direction Arranging, by squeezing and unfolding the cut corncob, thereby increasing the exposed area of the corncob bundle, for example, obtaining a semicircular cylindrical corncob with face-oriented consistency, and detecting and It is a key idea to remove the cobs by allowing the planer to concentrate on the cobs through the plane-oriented planer according to the coherence coherence of the corn cob, without applying a control device.

In addition, the method for obtaining the outer shell by removing the cornstalk core (S 40), the step of trimming the cornstalk leaves before the cutting step of the cornstalk, drying the cornstalk removed the cornstalk and the removed ribs It may further comprise the step of producing a pellet (pellet) by moving through the air and unexposed transfer pipe. The step of trimming the leaves of the cornstalk, here, may be a purification step of removing corn barrels and leaves from the cornstalks harvested to obtain a refined cornstalk, or the corn harvesting tractor has the function of trimming the leaves and tie them in a certain quantity unit or Although it may be omitted in the case of farmers trimming and supplying leaves directly in farmland, it is preferable to go through the "leaf trimming" method step when the leaves are supplied without trimming. The drying of the corncob strip from which the cobs are removed may be dried through an artificial drying apparatus, or may be dried through a natural drying method, without dehydrating or dehydrating the corncob outer shell from which the cobs are removed. In particular, the cornstalk outer shells from which the inner core is removed can be naturally dried because of the low content of polysaccharides or lignin, which are perishable components. Here, the step of drying the cornstalk strip is removed, by the drop step (S 80) of dropping the cornstalk outer strip lumps in the field, it can be made by naturally drying the cornstalk outer strips dropped.

In the manufacturing of the pellets, before the moisture content of the scraped bundle reaches the Equilibrium Moisture Content, the pellets are compressed and made into pellets, which are dried in a neglected state and have a specific gravity of about 0.05. It is desirable not to cause severe fine dust pollution. The atmospheric equilibrium moisture content rate refers to a state in which the biomass or the biofibers no longer suck or spout moisture depending on temperature and humidity. Atmospheric equilibrium moisture content is well known with respect to biofibers that have been widely used, such as trees, and in the case of genera, it does not differ significantly from trees. In practice, it is desirable to immediately squeeze the scraped bundle into pellets or briquettes, regardless of whether the atmospheric equilibrium moisture content has been reached. The pellets generally refer to cylindrical objects of 5 to 15 mm in diameter, 10 to 30 mm in length, and are made using an extruder. The briquette has a shape close to a cube of about 50 mm in and around each side, which is also produced by an extrusion method. Solid pellets can be a good feed, and solid briquettes can be fuel. Once compressed into pellets or briquettes, fine dust is not generated.

)

The manufacturing (rope making) step (S 60) of making a rope from the cornstalk outer strip is started at the end of the separating of the barb (S 40). 8 illustrates a manufacturing step that can be used in the present invention. The genus removing step (S 40) is made in the genus removing apparatus 400 including a slot in which cornstalks are sequentially moved one by one. 8 shows the slot inlet 218 of the purification passageway, which is connected to a separation step of sixteen slots 410. As shown in FIG. 8, the output of the genus separating step S 40 is outputted into the 32 cornstalk outer strips by the sixteen slots 410. There are two semicircle cylinders per slot, resulting in 32 cornstalk strips. The grinding step (S 60) is a step of making a part or all of the cornstalk outer strip of the rope, as shown in Figure 8, may be composed of a first mill 510 and a second mill 520. . The first machinator 510 is a means for making a rope primarily from two slots, that is, four cornstalk outer strips, and is installed one per two slots 410. One second mill 520 is installed per two first mills 510, which corresponds to four slots and eight cornstalk strips. Since the rope is made in stages through the first and

second mills

510 and 520, the efficiency of the work and the controllability of the operation are increased, and thus the rope can be made firm. Furthermore, third and fourth machines can be further located. The ropes made through the first and

second mills

510 and 520 enter the winding machine 610, which is a weaving step (S 70). In addition, the manufacturing step (S 60) may be made of all the cornstalk outer strip of the rope.

The weaving step (S 70) is a step of weaving the cornstalk strip strip rope passed through the bundle separation step (S40), by twisting the cornstalk strip strip rope to a predetermined length, to make a calves or balls shape . In addition, in the weaving step (S 70), the cornstalk outer strips passed through the bundle separating step (S40) by using the cornstalk outer strip rope, can create a cornstalk outer strip mass. Therefore, the weaving step (S 70) by using a cornstalk outer strip rope, to create a cornstalk outer strip mass, the need for removing the rope when the feed into the biofiber raw material is eliminated by default, the rope separately There is no need for space and devices to save and automatically release. For example, if you mow 16 bones per second, you can process 1 hectare, or about 60,000 bones per hour, tie them with 100 ropes, and use about 2 meters for each rope you use. You will use a rope. If you work 15 hours a day during the harvest season, it will use about 20km of rope a day, so if you prepare the rope separately, the size of the device that stores and releases the ropes will put a heavy burden on the whole machine. The cornstalk strip strip mass (CSRSP) is made of cornstalk strip strips entirely without any artificial debris, has a well-ventilated shape for natural drying, and has a simple mechanical structure for making the shape and drying In later recovery, the shape must be maintained to facilitate the recovery operation.

The dropping step (S 80) of dropping the cornstalk strip strip mass (CSRSP) into the field is a step of naturally drying the cornstalk strip strip mass, and the period of natural drying depends on the harvest time of the corn plant. The dropping period of the cornstalk strip strip mass can be arbitrarily adjusted, and the dropping position and order can also vary as needed. 11 is a view for explaining the falling step of the method for obtaining a cornstalk outer strip according to an embodiment of the present invention. As shown in FIG. 11, the cornstalk strip strip agglomerates from the longitudinal centerline 720, rather than dropping from the aft center of the device 10 as the device 10 obtaining the strip strip according to the invention proceeds. It is desirable to drop at least 50 cm to the left or 50 cm to the right. That is, when biased to the left, at least 50 cm from the left end or biased to the right, it is preferable to drop at least 50 cm from the right end. As shown in FIG. 11, the device 10 is biased to the right to drop the cornstalk strip strip, and the arrow 722 represents the direction of the drop operation, that is, the direction of movement of the device 10. , Thick dashed line 724 means a working boundary. Thus, as the dropping operation of the apparatus 10 for obtaining the cornstalk strip strip proceeds, the dropped cornstalk strip strip mass forms a zone. For example, suppose that the working width of the apparatus 10, that is, the cutting width is 3 m, when 70 cm is shifted to the right from the longitudinal center line 720 of the apparatus 10. In this case, the cornstalk strip strip chunks of the 'n' th row 710 will have a width of 1m 40 cm with respect to the cornstalk strip strip chunks of the 'n + 1' th row 712 and its center, The n + 1 'th row 712 and the' n + 2 'th row 714 have a width of 4 m 60 cm. That is, after the natural drying is completed later, there is enough space for the collection and recovery equipment to run. In addition, since two rows of cornstalk strip strips are placed at a narrow width of 1 m and 40 cm, the collection and collection productivity is high.

In addition, since the drop step (S 80) is to naturally dry the cornstalk outer strip mass, it is preferable that the carpeting step (S 52) is preceded before the drop step (S 80). Natural drying takes more than a week, so if soil or dust gets on the outside of the cornstalk strip, the quality of the biofiber raw material is degraded. Thus, the corn against geotdae strip loaf (CSRSP) each time be made one by one, the time difference (△ t) to leave a little prior to the time the falling time (t ₁₎ (t ₂₎ to the carpet floating storage tanks (322, FIG. 9 When the carpet outlet 324 is opened, a carpet is formed. To this end, the method and apparatus according to the present invention may include a drop control unit (not shown) for monitoring the period and the time when the cornstalk strip strip mass (CSRSP) is formed, and monitor the carpeting operation and the drop operation, Each work cycle and order can be adjusted arbitrarily.

An apparatus for obtaining a cornstalk outer strip from a corn plant according to an embodiment of the present invention will be described. As shown in Fig. 3, the apparatus according to the present invention comprises: harvesting means (100) for cutting the lower part of the cornstalks of the corn plants standing in the field and drawing the cut corn plants; A purification passage (200) connected to one end of the harvesting means and passing in a longitudinal direction to separate corn barrels and leaves from the cut corn plants, thereby making purified cornstalks; An apparatus 400 connected to one end of the refining passage 200 to obtain a cornstalk outer strip by removing a bundle from the purified cornstalk; A weaving means (600) connected to one end of the means for obtaining the cornstalk outer strip, for weighing the cornstalk outer strip in a predetermined unit and for producing a cornstalk outer strip mass in the metered unit; And dropping means (not shown) for dropping the cornstalk strip strip mass onto the field. The device for obtaining the cornstalk sheath strip may be a self-propelled machinery combined with a tractor and one body, or may be a pull-type machinery towed by the tractor. 3 shows a self-propelled machine, reference numeral 800 denotes a tractor.

The harvesting means 100 is a means for cutting the lower part of the cornstalk in the state of corn plants standing in the field, and attracting the cut corn plants. The harvesting means 100, as shown in Figure 3, is formed at the tip of the device for obtaining the cornstalk outer strip, one end is connected to the purification passage 200, the cut cornstalk is purified in the longitudinal direction It is transferred to the passage 200. The cutting means 100, as shown in Figure 4, the feed sawing saw 115 and cutting rotary saw 116 are formed in each of the two cutting stand 112, and acts as a pair, the feed rotation The transfer guide 114 is formed between the saw 115 and the cutting rotary saw 116. The cutting saw 116 is formed in the lower portion of the conveying rotary saw 115, to cut the corn plants standing in the field, the cut corn plants by cutting the rotary saw 115 cutting inlet 118 Will enter. The conveying guide 114 facilitates the cutting of the corn plant, the conveying rotary saw 115 is a plurality of rotary saws are arranged up and down, cutting the corn plant in the longitudinal direction to the mowing inlet 118 Help get in The mowing means shown in FIG. 4 is called a rotary corn head type, while the mowing means shown in FIG. 5 is called a cutter bar type. As shown in FIG. 5, another mowing means that can be used in the present invention includes two mowing tables 122a and 122b arranged in parallel and a central portion 124 located in the middle of the mowing tables 122a and 122b. The chain saw 126 acting as a pair on the left and right with respect to the center 124 is positioned to face the side of the center 124 and the cutting tables 122a and 122b, respectively. The chain saw 126 may exhibit a transfer function and a cutting function, and the corn plant standing in the field is cut by the chain saw 126 to be longitudinally drawn into the refining passage 200. . In addition, a separate cutting saw (not shown) may be formed below the chain saw 126 to cut corn plants standing in the field. The rotary cone head type harvesting means and cutter bar type harvesting means are used in a conventional forage harvester and a grain harvester, and the rotary cone head type harvesting means is a cutter bar type harvesting means. It is expensive compared to the above, but has the advantage of working regardless of the corn (row space).

As shown in FIG. 6, the purification passage 200 individualizes the cornstalks coming in from the harvesting inlet 118 through a sequentially branching out structure and passes them to the slot inlet 218 one at a time. The cornstalks and corn leaves are shaken and purified during the basin and transfer process. As shown in Fig. 7, a plurality of rollers 212 having various shapes and sizes are arranged up and down, and the cut corn plant 70 passes between the rollers 212, so that the corn bucket and leaves are separated. This leaves only the refined corn stand. The roller 212 is a narrow and up and down width of the roller 212, in order to effectively discharge the leaves and corn buckets outside the purification passage 200, it is possible to use a roller having a twisted axial direction, rollers of various shapes Can be used. The spacing between the rollers 212 may also be intermittently expanded or reduced. Therefore, the corn plant cut by the progress of the roller 212 is moved toward the separating means 400, the corn bucket and leaves are collected in the collection passage 300 installed in the lower portion of the purification passage 200. In addition, the purification passage 200 is a groove 214 is formed in the roller 212, it is possible to separate the corn leaves and corn barrel, the groove 214 is generally perpendicular to the running direction of corn stalks Direction, and in particular, may be formed inclined with respect to the traveling direction, in which case the corn leaves and the corn barrel are easily separated. The cornstalks and leaves separated in the purification passage 200 are called "refined by-products". Taking the individualization section (V section) as an example, the purification by-products fall into the gap between the rollers 212 shown in FIG. The removal of refined by-products into the gaps between the rollers 212 does not occur only in the individualization section, but occurs over almost all sections of the continuous branch 216 preceding it. Thus, it is possible to create a product model with several grades of production capacity, whereby the size of the cutting inlet 118, the size of CSS ₀ , the length of the continuous branch 216, and the combination of the rollers 212 become very diverse. . In either case, however, the apparatus for obtaining the cornstalk strip strip according to the present invention, first, through the continuous basin 216, finally moving the individualization section while moving the cornstalk from the harvesting inlet 118 to the slot inlet 218. To the slot inlet 218 one by one to supply the corn stalks one by one, second, up and down, left and right, by using a passage consisting of a pair of symmetrical rollers 212, whipping off the corn leaves and corn stalks during the movement Thirdly, the basic principle is to narrow down the CSS continuously from CSS ₀ to CSS _n in a ratio of about 5: 1 to 30: 1.

In addition, the apparatus for obtaining a cornstalk outer strip according to an embodiment of the present invention, as shown in Figure 3, located at the bottom of the purification passage 200, the collection passage for collecting the separated corn bucket and leaves 300; A shredding ejector 310 connected to one end of the collecting passage 300 and finely cutting the separated corn barrel and leaves with a high speed rotary blade; A transfer pipe 340 connected to one end of the shredding discharger 310 and transferring the cut corn barrel and leaves; And an outlet 342 connected to the other end of the transfer pipe and discharging the cut corn barrel and leaves to the outside.

9 is a view illustrating a shredding ejector of a device for obtaining cornstalk outer strips according to an embodiment of the present invention. As shown in FIG. 3, one end of the collection passage 300 is connected to the shredding ejector 310, and the shredding ejector 310 is made of a high speed rotary blade as shown in FIG. 9. 312, an air blower 314, a switch 316, and an outlet 318, wherein the corn flakes and leaves cut to an appropriate length by the cutter 312 are discharged by the air ejector 314. 318). The outlet 318 is divided into two passages, one of which is connected to the transfer pipe 340 and discharged to the outside through the outlet 342, the other is the carpeting discharge portion 320 for carpeting Leads to. The switch 316 is a means for controlling the discharge to the discharge port 342 and the discharge to the carpeting discharge unit 320. The carpeting outlet 320 includes a carpeting storage tank 322 and a carpeting outlet 324, and the storage tank 322 is formed such that the carpeting outlet 324 faces the ground. Since it is connected from the outlet 318 of the shredding ejector 310, there is a constant pressure. When the carpeting outlet 324 is opened through the controller (not shown), the corn barrel and leaves cut from the storage tank 322 are sprayed onto the ground through the carpeting outlet 324 to form a carpet. The position and the period of forming the carpet are arbitrarily adjustable.

13 and 14 are views of side and top views of the apparatus 400 for removing the corncob bundle and obtaining the outer shell according to the present invention, respectively. As shown in FIGS. 13 and 14, the apparatus 400 for separating the corncob bundle and obtaining the outer shell includes a slot 410, a cutting blade 430, a plane-oriented laying means 432, and an expanding means 440. ), Surface-oriented router means 450, and may further include a cutting pushing means 420, a leaf trimming device 414, a drying device 416, a pellet making device 418, etc., as needed. have. The slots 410 may be inserted into the corn stalks one by one, and the positions into which the corn stalks are inserted one by one are called "slots." The apparatus 400 for separating corncob to obtain a cornstalk outer strip is preferably connected to a slot inlet 218 located at a point where the individualized section of the continuous branch purification passage 200 ends. The refined corn cob past the slot inlet 218 is moved to an apparatus 400 that separates the bundle comprising the plurality of slots 410 to obtain the outer strip. The slot 410 may be, for example, between the cutting unit 420 and the cutting blade 430 and the portion of the corn for the first time to the cutting push means 420, the slot ( In the section 410, the cornstalk moves vertically (longer) along the progress direction. In addition, since the portion of the corn stalks introduced into the slot 410 becomes two semi-circular cylindrical corn stalks from the portion passing through the cutting blade 430 and the surface-oriented laying means 432, the slots 410 It is divided into three sub slots 412, and one semi-circular cylindrical cornstalk is passed through one sub slot 412, so that the method of the next step can be continued. The cutting blade 430 cuts the cornstalk in the longitudinal direction to expose the cornstalk bundle, and stands opposite to the running direction of the cornstalk, and cuts the cornstalks into two semicircular cylindrical cornstalks. The cutting blade 430 can be used as long as the blade to cut the cornstalk, but preferably, it is not a fixed blade but a wheel knife that rotates by the motor (motor) to smooth the processing speed of the cornstalk I can make it.

15 is a view for explaining the operation of the surface-oriented laying means in the apparatus for obtaining a cornstalk outer strip according to an embodiment of the present invention. The plane-oriented lay down means 432 is arranged by cutting the cornstalks so that the cornstalk bundle cut by the cutting blade 430 faces a predetermined direction, as shown in FIG. It is located parallel to the cut surface of the cut cornstalk, the width of the lower portion or the upper portion is kept narrow toward the traveling direction of the cut cornstalk, while the width of the upper portion or the lower portion is a curved three-dimensional wider. If the width of the upper portion of the face-oriented laying means 432 becomes wider, the two cut corn stalks, that is, the semicircular cylindrical corn stalk outer shell, are laid to face the ground, and the width of the lower portion becomes wider, The semi-circular cylindrical corn cob is laid face down to the ground to have a side orientation consistency. For example, the curved three-dimensional shape of the upper portion of the surface-oriented laying means 432 may be reminiscent of a curved surface such as a sharp and sharp foreign object (ship head) of the aircraft carrier. A feature of the face-oriented lay down means 432 is to always lay the semi-circular cylindrical corn cob bundle face in a constant direction, without the need for additional complicated devices, using a geometrically extended curved surface which begins following the cutting blade 430. Can be.

16 is a view for explaining the action of the unfolding means in the device for obtaining a cornstalk outer strip according to an embodiment of the present invention. The spreading means 440, as shown in Figure 16, by pressing the unfolded cut cornstalk, to increase the exposed area of the cornstalk bundle, 1 to 10 to compress the top of the cut cornstalk outer surface Preferably two to four rollers 442, The roller 442 of the spreading means has a wheel shape with a convex center portion, and a second roller 444 having a concave center portion corresponding to the roller 442 is mounted on the cut corn cob surface. For example, at the point where roller 442 and the semi-circular cylindrical cornfield contact, the semi-circular cylindrical cornfield may allow the center line of the cross-section of the semicircular cylindrical cornfield to contact the roller 442. It may further include a guide 424 (see Fig. 2) for automatically adjusting the distance so that the stage is symmetrical, corresponding to 1 to 10, preferably 2 to 4 rollers 442 and each roller 442 It consists of a second roller (444).

The semi-circular cylindrical corn cob by the face-oriented lay down means 432 is in a face-oriented coherence, so that the roller 442 can always be located outside the padding which can pressurize the semi-circular cylindrical corn cob shell. In addition, when the guide 424 is included, the narrow roller 442 acts precisely on the peak of the convex portion of the outer shell so that the force spreading on the outer vertex first acts first. The rollers 442 may be, independently, iron rollers, cylindrical rollers with irregularities, ordinary cylindrical rollers, and the like, and the second rollers 444 may each be independently It may be a roller having a male groove, a cylindrical roller with irregularities, a plain cylindrical roller, or the like, and may be replaced by a flat plate. In addition, the roller 442 need not necessarily be pointed. The edge of the roller 442 is a slender oval, such as a cross section of a thin wheel, and the corresponding surface or the second roller 444 may be a round groove. The roller 442 and the second roller 444 are not particularly limited in shape and dimension, and may implement a feature of flattening the cut cornstalk. The

rollers

442 and 444 can be used in a combination of various forms in succession, thereby minimizing damage to the outer shell and minimizing the compression of the inner core, so that the inner core removal process can be smoothly performed. . The roller located last in the combination of the roller 442 and the second roller 444 is made of a plain cylindrical roller, the upper and lower spacing is 1 to 15 mm, preferably 1 to 5 mm, through the means To obtain a flat unfolded cornstalk having a thickness of 1 to 15 mm, preferably 1 to 5 mm, it can be introduced into the planer process. That is, the specific shape of the roller constituting the unfolding process and the number of roller pairs may come out in a wide variety of combinations, and it is preferable that the interval between the roller pairs constituting the unfolding process becomes narrower along the traveling direction. Assuming that a first distance between the Expand roller pair (Spreading Roller Set Space) SRSS, and as SRSS ₁ that the spacing between the roller pair first along a traveling direction, and that SRSS _n end to the, SRSS ₁ is not less than 4mm It is preferable that one piece is preferable and that SRSS _n is 4 mm or less.

17 is a view for explaining the operation of the surface-oriented planer means in the apparatus for obtaining a cornstalk outer strip according to an embodiment of the present invention. The plane-directed planer means 450 (see FIG. 13), as shown in FIG. 17, scrapes the uncovered corncob inner surface and includes a planer 456 positioned toward the uncovered cornfield surface. For example, but not limited to, a planer window 454 (see FIG. 1) located on the side of the spread cornfield and a roller 452 (see FIG. 13) for moving the spread cornstalk located on the outer surface of the spread cornfield. have. The planer window 454 is a window in which a blade of the planer 456 made of a general planer, a blade roller, a rotary knife, etc., is protruded 1 to 13 mm, and the roller 452 may be a general cylindrical roller. have. The distance between the apex of the blade of the router 456 and the roller 452 is formed between the gap of about 2 to 10mm, preferably, the first roller 452 while the two to three routers 456 are continuously connected. And the spacing between the first router 456 is 5-10 mm, in the next pair 4-7 mm, and the spacing between the last roller 452 and the last router 456 is preferably 2-5 mm. As the distance between the apex of the blade 456 and the roller 452 is gradually narrowed, it is possible to operate the planer a little deeper several times, rather than finishing the planer at once, minimizing damage to the outer You can scrape the stomach as perfectly as possible. In addition, since the surface-oriented router means 450 can be pressed by the unfolding means 440, and further includes a brush made of iron, etc. before the planer 456, to raise the compressed core again and planer You can make this easier. There may be a wide variety of combinations with regard to the arrangement of the planer and brush, but any combination of the principle of "scraping the core as perfectly as possible by concentrating the planar contact on the surface of the core and minimizing damage to the exterior" It must be kept consistent. In addition, in the apparatus for obtaining a cornstalk outer strip according to the present invention, the cornstalks removed by the planer 456 fall down, the cornstalks separated by the separate "kwak separate collection passage (not shown)" Collected through, it can be discharged to the outside via the inner outlet through the "air transfer device (not shown)", it can be used for pellet production by the pellet production device (418).

The cutting pushing means 420 is the beginning of the cutting step, at the point where the cutting blade 430 and the cornstalk contact, so that the center line of the cross section of the cornstalk is in contact with the cutting blade 430, It consists of a guide 424 for automatically adjusting the interval to achieve symmetry and a roller 422 for pushing the corn bar. The guide 424 always aligns the centerline of the cornfield at the point of contact with the cutting blade 430 even if the cornfield is twisted, so that the cutting blade 430 cuts the centerline of the cornfield. This guide 424 can be implemented by a simple mechanical structure. For example, using a contraction spring 426, but the center line of the contraction spring 426 to the center line and the guide 424 on both sides of the contraction spring 426, respectively, guide 424 holding the cornstalk Is always on the cutting blade 430, to meet the center line of the cornstalk cross section. The roller 422 may use a general roller pair, it is preferable that the cornstalk is rotated to move at a speed of 0.3 to 3m / sec. If the speed is slower than 0.3m / sec, the method work is not fast, and if the speed is faster than 3m / sec, the method work is rough, which may damage the outer shell.

18 is a view illustrating a leaf trimming device in the apparatus for obtaining a cornstalk outer strip according to an embodiment of the present invention. The leaf trimming device 414 (see FIG. 13) is for trimming the leaves of the cornstalks, which are not trimmed, as shown in FIG. 18. And arranging the high speed roller 462 with the blade and the fixed cylinder or the low speed roller 464, etc., and paralleling the roller of the corn stalk which has not been trimmed into the traveling passage, that is, perpendicular to the traveling direction. Lie down and move (horizontal), so that the ragged leaves attached to the cornstalks are rolled between the blade rollers and cut. In addition, in order to prevent the cornstalk itself from being sucked between the blade rollers, the rails 466 protecting the cornstalks are preferably installed at intervals of 100 to 700 mm. Since the leaf trimming device 414 aims to remove the leaves while the corn stalks move quickly, the combination of the high speed roller 462 with the blade and the fixed cylinder or the low speed roller 464 may be varied. Can be. However, in any combination, the cylinder and the bladed roller must meet the following conditions. First, they must be able to move cornfields quickly. Second, the cornstalk leaves must be sucked in and cut. Third, the cornstalk itself must be prevented from being sucked between the blade rollers. In addition, the leaf trimming device 414 is a device for obtaining a cornstalk outer strip according to the present invention, the purification passage 200 may play a role.

As shown in FIG. 13, the drying device 416 may use a general drying device. Examples of the drying device 416 may include a dehydration device, a drum dryer, a grinder, and a drying device 416 using a rotary drum dryer. have. Although there are various methods for the dehydration, the dehydration device uses heat without using heat and squeezes water using only mechanical power. Pressing roller may be used as a dewatering device of corncob, ie, outer shell, from which the inner core is removed. In particular, after wiping the outer surface with a polymer roller that absorbs water, it is possible to achieve very effective dehydration by brushing off the moisture from the opposite side of the roller in contact with the outer surface. The drum dryer is a dryer widely used in manufacturing powdered milk and the like, and rotates a drum heated by supplying heat, while rotating the heated object by attaching it to the surface of the drum. Since the outer shell is not damaged at temperatures up to 180 ° C., the drum dryer can be a very effective drying method. The most widely used artificial drying method for biofibers such as sawdust is the rotary drum dryer. Long cylinders ranging from 4 to 5 m in length and 20 to 30 m in length are rotated 1 to 6 times per second with an inclination of about 3 to 5 degrees. In this case, a jaw called a flight is arranged in the cylinder, and as the cylinder rotates, the contents of the cylinder are pulled up and dropped to a certain height. When the particles are supplied to a portion that is high by the inclination while supplying hot air into the cylinder, the particles move slowly in the cylinder and come out to the portion that is lowered by the inclination. In order to add the outer shell to the rotary drum dryer, the pulverizer may be used to pulverize the fine powder having a diameter of less than 0.1 mm, and a chip shaped flake of about 15 to 50 mm in all directions. The grinder may be a general grinder. In addition, the drying apparatus 416 may be connected with a packaging apparatus, and the packaging apparatus may use a conventional packaging apparatus. The dried outer shell is the best raw material for industrial applications where biofiber is used, such as pulp, MDF, OSB, particle boards, and synthetic wood. In addition, the drying device 416, in the apparatus for obtaining a cornstalk outer strip according to the present invention, the drop means for dropping the cornstalk outer strip mass in the field may play a role.

The pellet manufacturing device 418 (see FIG. 13) is a device for producing pellets to reuse corncob bundle powder, and has a structure similar to that of a conventional wood pellet maker, so that the wood for Conventional pellet apparatus which pellets rice straw etc. can be used. The pellet manufacturing apparatus 418 may be connected to the plane-directed router means 450 and the transfer pipe 419, the transfer pipe is removed by the plane-directed router means 450 is not exposed to the atmosphere ( The pellets may be manufactured by supplying the same through 419). In addition, the pellet manufacturing device 418 may be connected to a conventional pellet packaging device. The pellet manufacturing apparatus 418 is not provided together with the apparatus for obtaining cornstalk outer strip according to the present invention, but may be installed separately.

The grinding means (not shown) is a means for making a rope with a cornstalk outer strip, and as shown in FIG. 8, two grinding

machines

510 and 520 may be used. The

mills

510 and 520 are conventional rope mills (rope makers) that twist their young with grass or straw. It is preferable that one first mill 510 is disposed in two to three slots, and FIG. 8 shows a case where one mill is placed in two slots, and the first mill 510 is disposed. The rope coming out is fed to the second machine 520. It is preferable that the diameter of the corn stalk strip rope (CSRSR) does not exceed 15 cm, even after continuous manufacturing. If the diameter of the cornstalk stripping rope (CSRSR) is too large, it is because the natural drying of the cornstalk stripping rope inside is not smooth.

The weaving means 600 (refer to FIG. 3) is a means for weighing the cornstalk outer strips in a predetermined unit and for producing a mass of cornstalk outer strip strips in the metered unit, as shown in FIG. Winding machine 610 is formed at one end of the 520, the winding machine 610 may be used a conventional winding machine. The winding machine 610 may be equipped with a weaving means sensor (not shown) for monitoring the progress of the winding operation for each saree. The principle of the sensor may be a method of sensing the thickness of the sari wound on the winding machine 610, or may be a method of counting the number of revolutions of the winding machine shaft.

The method and apparatus for obtaining cornstalk outer strips from corn plants according to the invention is also applicable in the case of "Corn Ear Harvesting", "Corn Combine Harvesting" and "Forage Harvesting". Can be. 2 is a flowchart illustrating a method of obtaining a cornstalk outer strip according to another embodiment of the present invention. Method for obtaining a cornstalk outer strip according to another embodiment of the present invention, as shown in Figure 2, harvesting step (S 10); Purifying step (S 30) to remove the corn barrel and leaves to obtain a purified cornstalk; Removing corncobs from cornstalks to obtain cornstalk outer strips (CSRS) (S 40); The manufacturing step (rope production) step of making a rope with the cornstalk outer strip (S 60); Weaving the cornstalk outer strip, weaving step of making a cornstalk outer strip mass (S 70); And a dropping step (S 80) of dropping the cornstalk strip strip into the field, and between the mowing step (S10) and the refining step (S30), from the cornstalk of the cut corn plant. Separating the corn barrel (S 20), and further comprising a threshing step (S 22) for collecting the corn grains from the separated corn barrels and the grain feeding step (S 24) for sending out the corn grains to the outside do.

The corn barrel separation step (S 20) is a step of separating the corn barrels from the cornstalk, passing the cornstalk between the two cylindrical rollers, the corn barrels are separated by sweeping. As a means of separating the corn barrels by passing the cornstalks between two cylindrical rollers, the apparatuses used in the conventional Corn Ear Harvester and the Combine Harvester may be used. Corn barrel separated in the separation step (S 20) is not transported to the threshing step (S 22), it may be collected separately. That is, in the separation step (S 20), the corn to be separated, may enter into the harvesting step (not shown) to collect the separated corn cans, the collected corn cans, to temporarily store the collected corn cans This may lead to a storage step (not shown). In addition, the stored corn cans can lead to an emptying step (not shown), which emptyes the storage bins toward the transport vehicle. In addition, some of the corn leaves and the apricot corn barrel generated in the corn barrel separation step (S 20), may lead to a cutting step through a separate collection step.

The threshing step (S 22) is a step of harvesting the corn grains from the separated corn barrels, 'threshing' means to remove the corn husk (corn husk), the corn grains (corn grain) from the corn cob (corn cob) The process of shaking off. The collected corn grains go to the grain feeding step (S 24) for sending the corn grains to the outside. In addition, the by-products generated in the threshing step (S 22) is sent to the by-product collection step, the collected by-products are sent to the cutting step is cut. The threshing machine used in the threshing step (S 22) may be mounted to a device for obtaining a cornstalk outer strip according to the present invention, separated into a separate device, may be composed of a device moving with the device according to the present invention. have. The separate mechanical device may be a self-propelled device or may be suspended behind a device for obtaining a cornstalk strip in the form of a trailer. In this case, after separating the corn bucket, the step of sending the corn bucket to a separate threshing machine device may be made first.

The method and apparatus for obtaining the cornstalk stalk strip according to the invention can also be applied in the case of "Forage Harvesting". FIG. 10 is a view for explaining a crushing ejector of a device for obtaining cornstalk outer strip according to another embodiment of the present invention. When using corn canisters and leaves for carpeting, they are usually cut down to 2-3 cm, but for food harvesting they are cut to 5 mm or less. In the case of carpeting, the size of the cut is increased because if cut too fine, it is likely to ferment before drying or to be scattered in the wind. Thus, as shown in FIG. 10, the shredding ejector 310 further includes a second cutter 332 and a second air ejector 334. The structure and operation of the second cutter 332 and the second air ejector 334 are similar to the cutter 312 and the air ejector 314 shown in FIG. 10, and the cutting speed of the second cutter 332 and The spacing depends on the size to be cut. Corn barrels and leaves shredded to a size of 2 to 5 cm or more in the cutter 312 are sent to the outlet 318, some are sent to the cathetering storage tank 322, and some are sent to the second cutter 332. . The second cutter 332 cuts the object to 2 to 5 cm or less, and is sent to the transfer pipe 340 (see FIG. 3) by the second air discharger 334 to the outside by the outlet 342 (see FIG. 3). Discharged. In addition, the corn barrel and leaves cut for the food harvesting is sent to the food harvesting trailer moving through the air discharger (not shown), such as a cornstalk outer strip obtaining device according to the present invention, in this case removing step ( The core separated at S 40 (see FIG. 1) is also sent to the trailer. In order to transport the food to the trailer, it is generally sprayed with a force capable of flying a distance of about 5 to 10 m, so that when the food harvester and the outer strip obtaining device are combined, an air ejector for crushing and discharging the bulk Should be relatively powerful.

Hereinafter, specific examples of the polymer composite according to the present invention are presented. The following examples are intended to illustrate the polymer composite of the present invention, but the scope of the present invention is not limited by the following examples.

[Example] Preparation of a Polymer Composite Containing Corn Stalk Powder

The cornstalk outer shell powder and recycled polypropylene are blended in a 50:50 ratio by weight, and the cornstalk outer shell powder and the recycled polypropylene are mixed by an extrusion method, that is, a screw-shaped screw is rotated. The compound was charged by pressing while raising the temperature to near 200 ° C. The compound was extruded in a twin screw extruder to prepare a polymer composite including corn cob powder.

Comparative Example Production of Polymer Composite Containing Wood Powder

Wood powder and regenerated polypropylene were blended in a 50:50 ratio by weight to form a compound by an extrusion method, and then extruded in a twin screw extruder to produce a polymer composite including wood powder. The properties of the polymer composites produced according to Examples and Comparative Examples were measured, and the results are shown in Table 4.

Table 4

division	Comparative example	Example
density	1.2-1.5	0.8-0.95
Flexural strength	41 N / mm ²	51 N / mm ²
Screw holding force	1500N	1980 N
Water resistance (water absorption)	0.2%	0.1%
Linear expansion	2.5 x 10 ^-5	2.5 x 10 ^-5
Cold resistance (-30 ℃)	Tensile 36N / mm	Tensile 43N / mm
Anti-slip
	20	20
Workability	High hardness, easy to break during work	Easy to drill, drill, tarker, cut

As shown in Table 4, the polymer composite including the cornstalk outer shell powder according to the present invention has a density of 0.8 to 0.95, which is relatively 25% lower than that of the polymer composite including the wood powder, and the flexural strength and It can be seen that the screw holding force is relatively high, 51N / mm ² and 1980N, respectively. Therefore, there is a feature that is easy to punch, thread work, tarker work, cutting. In addition, water resistance is low as 0.1%, cold resistance is characterized by a relatively high 43N / mm in tension. In particular, in the case of the same strength, it can be seen that the polymer composite including the cornstalk outer shell powder according to the present invention has a specific gravity of 25% or more lower than the polymer composite including the wood powder. That is, even if the polymer is foamed during the molding process to reduce the specific gravity of the product, the same level of strength is obtained. Foaming means using the foaming agent (foaming agent) in the molding process to create a myriad of microcavities in the product. If the specific gravity is more than 25%, raw material consumption is reduced by 25%.

Claims

Bio fiber comprising cornstalk outer shell powder; And

Polymer composite comprising a synthetic resin polymer.
The method of claim 1, wherein the biofiber is 50 to 85% by weight relative to the polymer composite, the synthetic resin polymer is selected from the group consisting of polypropylene, polyethylene, polyvinyl chloride, polyester, and mixtures thereof Phosphorus, polymer composite.
The polymer composite of claim 1, wherein the cornstalk stalk powder has a length of 0.1 to 10 mm.
Cutting the cornstalk in the longitudinal direction to expose the cornstalks;

Arranging the cut cornstalks such that the corncobs bundle faces a direction;

Squeezing and unfolding the cut corncob, thereby increasing the exposed area of the corncob bundle; And

Removing the cornstalk bundle comprising the step of scraping the unfolded cornstalk bundle surface to obtain a shell.
5. The method of claim 4, further comprising the step of drying the outer strip from which the corn barb strip has been removed, and preparing pellets using the scraped corn bark bundle.
A slot into which cornstalks can be separately inputted;

A cutting blade for cutting the cornstalk in the longitudinal direction to expose the cornstalks;

Face-oriented laying means for arranging the cut cornstalks such that the cornstalks cut by the cutting blades face a constant direction;

Spreading means for compressing and unfolding the cut cornstalks to increase the exposed area of the cornstalk bundles; And

Apparatus for obtaining the outer shell by removing the cornstalk core including a surface-oriented planer means for scraping the unfolded cornstalk core surface.
The method of claim 6, wherein The surface-oriented lying down means is located parallel to the cut surface of the cut cornstalk, while the width of the lower or upper portion is kept narrow toward the traveling direction of the cut cornstalk, while the width of the upper or lower portions becomes wider. Apparatus, which is to remove the corn cob and obtain the outer shell.
The method of claim 6, wherein Unfolding means is 1 to 10 rollers for pressing the chopped cornstalk top surface, the apparatus for removing the cornstalk core to obtain the outside.
The method of claim 8, wherein The roller of the spreading means has a wheel shape with a convex center portion, and a roller having a concave center portion corresponding to the roller is mounted on the cut corncob inner surface surface direction, thereby removing the cornstalk core.
The method of claim 6, wherein The plane-oriented planar means is a device for removing the corncob bundles to obtain the outer shell comprising a plane located on the side of the unfolded corncob bundles.
According to claim 6, Leaf trimming device for trimming the leaves of the cornstalk, Drying apparatus for drying the outer strip of the cornstalk core is removed, and Pellet manufacturing apparatus for manufacturing pellets using the removed cornstalks That is, a device for removing the corncob bundle to obtain a shell.
Harvesting step of cutting and attracting the lower part of the cornstalk of the corn plants standing in the field;

A purification step of passing the cut cornstalks in a purification passage in the longitudinal direction to separate the cornstalks and leaves from the cornstalks to form purified cornstalks;

Separating corncob bundle from the purified corncob, thereby obtaining a cornstalk outer strip;

A weaving step of weaving the cornstalk strip strips to form a cornstalk strip strip mass; And

A method of obtaining a cornstalk outer strip from a corn plant comprising a dropping step of dropping the cornstalk outer strip mass into a field.
13. The method of claim 12, wherein the step of separating the corncob bundles to obtain the cornstalk strips comprises removing the cornstalk strips of claim 4 to obtain the pads. How to get.
13. The cornstalk from a corn plant according to claim 12, comprising a step of making a rope from said cornstalk strip strips, wherein said cornstalk strip strips are made using said cornstalk strip strip rope. How to get a outer strip.
13. The method of claim 12, comprising a cutting step of cutting the separated corn bucket and leaves.
16. The method of claim 15, comprising a carpeting step of pre-installing the truncated corn bucket and leaves in the drop site of the cornstalk outer strip mass.
13. The method of claim 12, comprising separating corn barrels from the cornstalks of the cut corn plants.
18. The method of claim 17, comprising a threshing step of harvesting corn grains from the separated corn buckets.
Cutting means for cutting down the cornstalks of the corn plants standing in the field and attracting the cut cornstalks;

A purification passage connected to one end of the harvesting means and passing the cut cornstalk in the longitudinal direction to separate the cornstalk and the leaf from the cut cornstalk, thereby making a purified cornstalk;

A means connected to one end of said refining passage, said means for separating corncob bundles from said corncob for obtaining cornstalk outer strips;

Weaving means connected to one end of the means for obtaining the cornstalk outer strip, the weaving means for weaving the cornstalk outer strip to form a cornstalk outer strip mass; And

A device for obtaining a cornstalk outer strip from a corn plant comprising a drop means for dropping the cornstalk outer strip mass onto a field.
20. The apparatus of claim 19, wherein the means for separating the corncob bundles to obtain cornstalk strips comprises a device for removing the cornstalk strips of claim 6 to obtain the pads. .
20. The method of claim 19, Located at the bottom of the purification passage, the harvesting passage for collecting the separated corn barrels and leaves, connected to one end of the collection passage, the separated corn barrel and leaves are chopped with a high speed rotary blade Shred ejector for cutting, connected to one end of the shredding ejector, the transport pipe for transporting the cut corn barrel and leaves, and the other end of the transport pipe, to discharge the cut corn barrel and leaves to the outside A device for obtaining a cornstalk stalk strip from a corn plant, comprising an outlet.
20. The corn plant according to claim 19, comprising means for making a rope from the cornstalk strip strips, wherein the cornstalk strip strips are used to make the cornstalk strip strip chunks. Device for obtaining large outer strips.