JP2006257298A - Frost-preventive fuel body - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a frost-preventive fuel body which can be safely handled without polluting the environment and can prevent frosting. <P>SOLUTION: The frost-preventive fuel body is constituted by mounting, in a frost-preventive fuel case 10 composed of a molded pulp product, a frost-preventive fuel layer 20, in which a layer of a granular natural fat and oil 21 or its analog formed in granules and having combustibility and a sheet-like natural fat and oil 22 formed in a solid sheet and having combustibility is closely mounted thereon, and mounting an ignition plate 30 which ignites and burns the sheetlike natural fat and oil 22 or its analog on the frost-preventing fuel layer 20. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a defrosting fuel body, and more particularly to a defrosting fuel body that can be handled safely without polluting the environment and can prevent frost formation.

  In general, outdoor fruit trees such as apples, pears, peaches, grapes, and sugar beets are less resistant to cold during flowering and fall periods, so if frost (cold frost) occurs, they are greatly damaged by frost. . The damage to outdoor fruit trees caused by frost means that the stamen of the flowers dies out and does not bear fruit because frost adhering to flower buds and leaves evaporates rapidly. On the other hand, it causes great damage. Therefore, a method for preventing the occurrence of frost is strongly demanded by producers of outdoor fruit trees. As a method to prevent the generation of frost, a method is adopted in which the temperature around the outdoor fruit tree does not become the temperature at which frost is generated because the temperature near the surface of the frost is reduced by radiation cooling at night. . Specific methods include a method using a defrost fan and a combustion method in which fuel is burned.

  The method using a defrosting fan is a method of preventing a decrease in the temperature of the outdoor orchard garden and a decrease in the temperature of the tree by stirring the warm air above the inversion layer on the ground 7-8 m and the cold air on the ground surface with the fan. . The method using a defrost fan is an effective means in a garden where the combustion method cannot be carried out due to the progress of urbanization or the like, but its implementation is limited because the period of use is limited and large facilities are required.

  On the other hand, anti-frost measures by the combustion method are methods that use the heat generated by burning heavy oil or solid fuel, and the air in the garden is determined by the temperature difference between the ambient temperature where the fuel is burning and the temperature of the outdoor fruit garden. Is a method of preventing the generation of frost by stirring and warming. This combustion method is widely used because it requires less capital investment and costs and can be implemented relatively easily.

  However, the conventional combustion method is not an environmentally preferable method because old tires, heavy oil, and kerosene are used as fuel. That is, although the method of burning old tires, heavy oil, and kerosene is strong in thermal power, there are cases in which the generation of oily smoke is large and pollutes the surrounding environment, thereby harming the health of producers and surrounding residents. Moreover, the method of burning using a solid fuel generally includes about 30% of wood flour as a component, and a lot of oily smoke is generated. In addition, although this method generates relatively little smoke in the early stage of combustion, the air required for combustion is insufficient during and later stages of combustion, so the flame becomes smaller and the effect of preventing the generation of frost is not sufficient. It was. Therefore, in order to increase the combustion and enlarge the flame, it is necessary to take air into the fuel layer in the middle of combustion, so it is necessary to make a hole in the main body or collapse the layer of solid fuel, and the manufacturing cost It took a lot of time and effort, and the burden of monitoring the state of combustion was great. In addition, when the solid fuel layer is broken, a lot of oily smoke is generated, which may contaminate the surrounding environment.

  An object of the present invention is to provide a defrosting fuel body that can be handled safely without polluting the environment and can prevent the generation of frost.

  The frost-proof fuel body according to claim 1, a frost-proof fuel casing constituted by a pulp mold is filled with granular natural fats or natural fats and oils that are combustible and formed into granules. A frost-proof fuel layer is formed by densely mounting a flammable plate-like natural fat or natural oil or fat that is formed into a solid plate shape on natural fat or natural fat, and storing it in a layered manner. An ignition plate material that ignites and burns the plate-like natural oil or fat or natural oil or fat is mounted on the fuel layer for use. Here, the defrosting fuel layer has a two-layer structure composed of a granular natural fat layer and a plate-like natural fat layer in the early stage of combustion of the defrosting fuel body 1 as a plate-like natural fat layer or natural fat. The natural fats and oils filled in the similar layer 22 burns and quickly warms the air in the garden, and the granular natural fats and oils filled in the granular natural fat layer or the natural fats and oils layer 21 in the middle and later stages of combustion over a long period of time. This is because the air in the garden can be warmed while maintaining a good combustion state. The pulp mold refers to a paper molded product obtained by dissolving waste paper or pulp with water to form a liquid, rolling it up with a wire net attached to a mold having a predetermined shape, and drying it. Granular natural fats and oils are those in which the shape of the natural fats and oils is beads or pellets, and the size is about 2 to 5 mm in diameter. Natural fats and oils refer to esters (glycerides) composed of fatty acids and glycerin, and natural fats and oils refer to fatty acids and waxes. Here, the fatty acid refers to a chain monocarboxylic acid, and the wax refers to an ester composed of a fatty acid and a monohydric alcohol.

The granular natural fat or oil or natural fat / oil of the defrosting fuel body according to claim 2 is filled with a bulk density of 0.2 to 0.7 g / cm ^3. body. Here, the air bulk density was set in the range of 0.2 to 0.7 g / cm ^3, the bulk density of the less than 0.2 g / cm ^3, included in the granulated natural fat layer or natural fats layer Since the weight of the granular natural fat or oil filled in the granular natural fat layer or natural fats and fats layer is reduced, the combustion state is good, but the amount of fuel is low, so the combustion time is shortened. It is. On the other hand, when the bulk density exceeds 0.7 g / cm ³ , the weight of the granular natural fat or natural fat or oil filled in the granular natural fat or fat layer or the natural fat or oil layer increases, whereas the granular natural fat or oil layer or This is because the amount of air contained in the natural fats and oils layer is reduced, and the amount of air necessary for combustion of natural fats and oils or natural fats and oils is not ensured, so that a good combustion state cannot be maintained. The bulk density refers to the mass per unit deposition of the deposited solid particles.

The plate-like natural fat or oil or natural fat or oil of the frost-proof fuel body according to claim 3 is composed of natural fat or oil or natural fat or oil having a melting point of 30 ° C or higher. Here, the reason why the melting point of natural fats and oils or natural fats and oils used for the anti-frost fuel is 30 ° C. or higher is that if the melting point of natural fats or fats and oils is less than 30 ° C., they may not solidify at room temperature. is there.
The said natural fats and oils of the frost-proof fuel body of Claim 4 are linseed oil, olive oil, mustard oil, cacao oil, tung oil, sesame oil, safflower oil, soybean oil, tall oil, corn oil, rapeseed oil, palm oil Oleum, palm stearin, castor oil, sunflower oil, cottonseed oil, coconut oil, peanut oil, sardine oil, whale oil, shark oil, beef tallow, lard, and wax The natural fats and oils are at least one or more of fatty acids such as stearic acid, lauric acid, myristic acid, palmitic acid and behenic acid, and waxes such as carbana wax, rice wax, candela wax and beeswax. It is comprised by these, It is characterized by the above-mentioned.

The igniting plate material of the frost-proof fuel body according to claim 5 is composed of a soft fiberboard. Here, the soft fiberboard refers to a fiberboard having a density of less than 0.35 g / cm ³ among fiberboards formed mainly from plant fibers such as wood residue (for example, tatami floorboard).
The igniting plate material of the frost-proof fuel body according to claim 6 is characterized by impregnating natural fats and oils. Here, natural fats and oils refer to oils such as rapeseed oil, corn oil and sunflower oil.

  The ignition plate member of the defrosting fuel assembly according to claim 7 is formed to have a thickness of 10 to 15 mm. Here, the reason why the thickness of the ignition plate is within the range of 10 to 15 mm is that it is difficult to ignite when the thickness of the plate of the ignition plate is less than 10 mm, and the combustion time cannot be adjusted even when ignited. is there. On the other hand, if the thickness of the ignition plate material exceeds 15 mm, the molten fuel in the defrosting fuel layer is hardly sucked up by the ignition plate material, and combustion cannot be performed sufficiently.

  The ignition plate member of the defrosting fuel body according to claim 8 is characterized in that the area of the flat portion is 10 to 20% of the opening area of the defrosting fuel casing. . Here, the area of the flat surface portion of the ignition plate material is within the range of 10 to 20% with respect to the opening area of the fuel housing for defrosting. If the opening area is less than 10%, the frost-proof fuel casing is not ignited and the flame cannot be raised forever, so the frost-proof fuel casing cannot maintain a good combustion state. Because it will be. On the other hand, when the area of the flat portion of the ignition plate material exceeds 20% with respect to the opening area of the frost-proof fuel casing, the interval between the ignition plate material and the inside of the casing is shortened, and the frost-proof fuel casing is Although it is easily ignited and burns quickly, the flame becomes large in the early stage of combustion. However, since the ignition plate material covers the surface of the defrosting fuel layer in the middle stage of combustion, the flame is hardly raised. In the latter half of the combustion, the defrosting fuel pot cannot be maintained in a good combustion state because the flame does not rise.

  According to a ninth aspect of the present invention, there is provided a frost-proof fuel body that is housed in a polyolefin resin bag. Here, a low density polyethylene resin, a high density polyethylene resin, a linear polyethylene, a metallocene polyethylene resin, a polypropylene resin, or the like is used as the polyolefin resin.

According to the first aspect of the present invention, it is possible to obtain a defrosting fuel body that can be handled safely without polluting the environment and can prevent the generation of frost.
According to the second aspect of the present invention, it is possible to obtain a defrosting fuel body that can be handled safely without polluting the environment and can prevent the generation of frost. In addition, since the amount of air necessary for combustion is ensured, a good combustion state can be maintained for a long time.
According to invention of Claim 3, the fuel body for anti-frost which can be handled safely without polluting the environment and can prevent generation | occurrence | production of frost can be obtained. Furthermore, according to the present invention, since it is solidified at room temperature, it is easy to handle.
According to invention of Claim 4, the fuel body for anti-frost which can be handled safely without polluting the environment and can prevent generation | occurrence | production of frost can be obtained. In addition, according to the present invention, it is easy to handle because it solidifies at room temperature and becomes a solid.

According to the invention described in claim 5, it is possible to obtain a defrosting fuel body that can be handled safely without polluting the environment and can prevent the generation of frost. Further, according to the present invention, it is easy to ignite and a good combustion state can be obtained.
According to the invention described in claim 6, it is possible to obtain a defrosting fuel body that can be handled safely without polluting the environment and can prevent the generation of frost. Furthermore, according to the present invention, generation of substances harmful to the environment can be prevented.

According to the seventh aspect of the present invention, it is possible to obtain a defrosting fuel body that can be handled safely without polluting the environment and can prevent the generation of frost. Further, according to the present invention, ignition can be easily performed and a good combustion state can be obtained for a long time.
According to the invention described in claim 8, it is possible to obtain a defrosting fuel body that can be handled safely without polluting the environment and can prevent the generation of frost. Furthermore, according to the present invention, it is easy to ignite and a good combustion state can be maintained for a long time.
According to the invention described in claim 9, it is possible to obtain a defrosting fuel body that can be handled safely without polluting the environment and can prevent the generation of frost. Further, according to the present invention, the handling property and workability of the defrosting fuel body are improved, and it can be safely stored for a long period.

  In the present invention, a frost-proof fuel pot body constituted by a pulp mold is filled with granular natural fats and oils having a combustibility and formed into a solid plate shape on the granular natural fats and oils. Plate material oils and fats that are densely mounted, forming a defrosting fuel layer to be stored in layers, and igniting and burning the plate shaped natural oils and fats on the defrosting fuel layer It is realized by wearing.

Examples of the defrosting fuel assembly according to the present invention will be described below.
1 to 3 show an embodiment of a defrosting fuel body according to the present invention.
1 is an overall perspective view of a defrosting fuel body, FIG. 2 is a sectional view of the embodiment shown in FIG. 1, and FIG. 3 is a perspective view of an ignition plate member shown in FIG.

In FIG. 1, reference numeral 1 denotes a defrosting fuel body, and this defrosting fuel body 1 has a defrosting fuel casing 10. A frost-proof fuel layer 20 is housed in the frost-proof fuel casing 10, and an ignition plate member 30 is mounted on the frost-proof fuel layer 20. The defrosting fuel body 1 is housed in a polyolefin resin bag 40, and the upper portion of the polyolefin resin bag 40 is moistened into the polyolefin resin bag 40 by a binding band 50. It is sealed so that there is no.
As shown in FIG. 2, the frost-proof fuel body 1 includes a frost-proof fuel casing 10 in which a frost-proof fuel layer 20 is housed, and an ignition plate 30 is mounted on the frost-proof fuel layer 20. Has been.

  The defrosting fuel casing 10 shown in FIG. 2 has a structure of an edged vertical container having an edge at the top, and is constituted by a pulp mold. This pulp mold is a paper molded product obtained by dissolving waste paper or pulp with water to form a liquid, rolling it up with a metal mesh attached to a mold having a predetermined shape, and drying it. In this pulp mold manufacturing process, no harmful substances are used, so when the pulp mold is burned, hydrogen chloride and black smoke are not emitted, and the burned ash burns grass and trees. Same as, can return to the soil.

The frost-proof fuel casing 10 is constituted by a pulp mold in this embodiment, but cardboard, paper tube, coated paper, etc. can be used in addition to the pulp mold, but it is light and impregnates liquid. The pulp mold is superior because it can be burned and burned.
The defrosting fuel casing 10 is mainly used as a container for storing defrosting fuel. The defrosting fuel casing 10 has an edged vertical structure in which an edge is provided at the top of the pot. In this way, the vertical structure with an edge provided on the upper portion of the frost-proof fuel casing 10 has an increased edge compared to a straight cylinder type pot by providing the edge. This is because it is convenient to carry the defrosting fuel body 1. In addition, when a vertical structure with an edge provided on the upper portion of the frost-proof fuel casing 10 has a portion protruding by the edge, the fire spread rate of the frost-proof fuel casing 10 is reduced, This is because the combustion time can be adjusted. Furthermore, if the frost-proof fuel casing 10 has a vertical structure, the air above the frost-proof fuel casing 10 is agitated by convection, and the entire frost-proof fuel casing 10 burns well. This is because the generated heat can be effectively released near the ground surface as radiant heat necessary to prevent the generation of frost.

  According to the frost-proof fuel casing 10, the natural oils or fats of the frost-proof fuel do not flow out of the frost-proof fuel casing 10 during combustion, and air necessary for combustion can be taken in. Natural oils or natural fats and oils for fuels are often burned. In addition, the frost-proof fuel casing 10 is heated and melted with natural oil or fat or natural fats and oils impregnated in the frost-proof fuel casing 10. It can play a role to assist the combustion of natural oils or natural fats and oils as anti-frost fuel. Furthermore, since a low density pulp mold is used for the defrosting fuel casing 10, it is lighter than a container of the same size, so the weight of the raw material used for the defrosting fuel casing 10 is Less. Therefore, the amount of ash generated by burning the frost-proof fuel casing 10 is small, and the burden of work associated with cleaning up the ash is reduced. Natural fats and oils refer to esters (glycerides) composed of fatty acids and glycerin, and natural fats and oils refer to fatty acids and waxes. Here, the fatty acid refers to a chain monocarboxylic acid, and the wax refers to an ester composed of a fatty acid and a monohydric alcohol.

  The frost-proof fuel layer 20 filled in the frost-proof fuel casing 10 includes a granular natural fat layer or natural fat layer 21 and a plate provided on the granular natural fat layer or natural fat layer 21. And a natural oil / fat layer or a natural oil / fat layer 22. Here, the reason why the defrosting fuel layer 20 has a two-layer structure is that the natural fat or oil in the plate-like natural fat layer or natural fat layer 22 burns in the early stage of combustion of the defrosting fuel body 1. The air in the garden is quickly warmed, and in the middle and later stages of the combustion, the granular natural fat or natural fat or oil filled in the granular natural fat layer or natural fat layer 21 maintains a good combustion state over a long period of time. This is because the air can be warmed.

  For this plate-like natural fat layer or natural fat layer 22, natural fats and oils, natural fats and oils, wood chips, synthetic fats and oils, chemical resins (synthetic resins), or a mixture thereof can be used. Natural oils or natural fats and oils having a melting point of 30 ° C. or higher are used. Here, the melting point of natural fat or oil or natural fats and oils is set to 30 ° C. or higher. If the melting point of natural fat or natural fat or oil is less than 30 ° C., it may not solidify at room temperature, This is because natural oils and fats or natural fats and oils easily evaporate at the time of combustion, so that the combustion time is shortened, the liquid flows out on slopes, and it is difficult to extinguish during combustion and there is a concern about safety. In addition, from this, the two-layer structural formula is superior to the single-layer structural formula based on liquid oil. Typical examples of this natural fat include linseed oil, olive oil, mustard oil, cacao oil, tung oil, sesame oil, safflower oil, soybean oil, tall oil, corn oil, rapeseed oil, palm oil, palm olein, palm There are stearin, castor oil, sunflower oil, cottonseed oil, coconut oil, peanut oil, sardine oil, whale oil, shark oil, beef tallow, lard, wax, etc., which are composed of at least one or more of these Is preferred. Representative examples of the natural fats and oils include fatty acids such as stearic acid, lauric acid, myristic acid, palmitic acid and behenic acid, waxes such as carbana wax, rice wax, candela wax and beeswax. It is preferable that it is composed of at least one or more of these. This is because these natural fats and oils or fats coagulate at room temperature to become a solid, so that they are easy to handle, have high safety, and do not pollute the environment. In addition, a well-known thing is used for these natural fats and oils or natural fats and oils without a restriction | limiting.

  Moreover, it is preferable to use granular natural fat or oil or natural fat or oil for the granular natural fat or oil layer or natural fat or oil layer 21. Here, since the granular natural fat or oil or fat is filled in the granular natural fat layer or natural fat layer 21 and overlaps with each other, a gap is always formed. Therefore, the natural fat or natural fat or oil is formed in the gap. This is because the air necessary for the combustion of the is secured. When the air necessary for this combustion is secured, the defrosting fuel body 1 is maintained in a good combustion state. In addition, granular means the thing of a bead form or a pellet form, and it is preferable to use a thing about 2-5 mm in diameter as a magnitude | size.

Furthermore, it is preferable that the bulk density of the granular natural fat filled in the granular natural fat layer 21 is in the range of 0.2 to 0.7 g / cm ³ . Here, the bulk density is in the range of 0.2 to 0.7 g / cm ^3, when less than the bulk density is 0.2 g / cm ^3, becomes large amount of air contained in the granulated natural fat layer On the other hand, because the weight of the granular natural fat or natural fat or oil filled in the granular natural fat layer or natural fat or fat layer is reduced, the combustion state is good, but the combustion time is shortened because there is less fuel. is there. On the other hand, when the bulk density exceeds 0.7 g / cm ³ , the weight of the granular natural fat filled in the granular natural fat layer or the natural fat layer 21 is increased, whereas it is contained in the granular natural fat layer 21. This is because, since the amount of air is reduced, the amount of air necessary for combustion of natural fats and oils or natural fats and oils is not ensured, so that a good combustion state cannot be maintained. The bulk density refers to the mass per unit volume of the deposited solid particles. As a method for measuring the bulk density, for example, a container of a certain volume is filled with granular natural fat or natural fat, the weight of the filled natural fat or natural fat is measured, and the measured weight is used as the container. Divided by the volume of

  The plate-like natural fat layer or natural fat layer 22 provided on the granular natural fat layer or natural fat layer 21 is filled with natural fat or natural fat having a melting point of 30 ° C. or higher. The amount of the filled natural fat or oil or fat should be an amount that can cover about 30 to 50 mm on the granular natural fat layer or natural fat layer 21 in order to adjust the burning rate after ignition and prevent spillage. It's fine, so it's less. When the amount filled is small, natural oil or fat or natural oil is easily cooled and solidifies quickly, so that the working time for producing the defrosting fuel body 1 is shortened.

  The ignition plate material 30 that ignites the natural fats or oils or the natural fats and oils filled in the frost-proof fuel layer 20 ignites the frost-proof fuel body 1 at an early stage to adjust the combustion time of the frost-proof fuel body 1. It serves as a wick (floating wick) that helps fuel burn while floating on the plate-like natural oil or fat layer or natural fat and oil layer 22 during combustion. If the ignition plate member 30 is not provided in the defrosting fuel body 1, the following inconvenience occurs. That is, since the solid natural fat or oil or natural fat used in the plate-like natural fat layer or natural fat layer 22 is not easily ignited, the upper edge portion of the frost-proof fuel casing 10 is ignited. When the thermal power of the combustion is weak, the edge portion is carbonized and does not burn, so that no flame is formed. Therefore, the defrosting fuel body 1 cannot prevent frost. On the other hand, when the thermal power of combustion at the edge portion is too strong, the defrosting fuel casing 10 burns strongly, and the solid natural fat or oil filled in the plate-like natural fat layer or natural fat layer 22 with the thermal power or Natural fats and oils melt and become liquid. When solid natural fat or oil or liquid becomes a liquid, it overflows from the defrosting fuel casing 10 to increase fluidity, or it becomes easy to burn because of easy evaporation. Burning time may be shortened.

Wood pieces, cardboard, cotton, chemical fibers, and the like can be used for the ignition plate material 30, but a soft fiber board is optimally used. Since the soft fiberboard uses fibers, natural oils and fats, synthetic oils and fats, petroleum-based solvents and mineral oils can be used for the ignition plate material 30. In consideration of the environment, rapeseed oil, corn oil and sunflower oil can be used. Other known natural fats and oils are impregnated. The ignition plate member 30 is easily ignited by the impregnated oil, and the defrosting fuel body 1 is combusted by this ignition. Here, the soft fiberboard refers to a fiberboard molded from plant fibers such as mainly wood residual materials (for example, tatami floorboards) having a density of less than 0.35 g / cm ³ . Also called a board.

  FIG. 3 specifically shows an embodiment of the ignition plate material 30. The ignition plate member 30 shown in FIG. 3 has a plate-like structure having a square planar shape, and has a groove on the upper surface. This groove is provided for easily impregnating the ignition plate material 30 with oil such as rapeseed oil or reducing the work of adjusting the size of the ignition plate material 30. However, the groove is not provided. There may be. The planar shape of the ignition plate material 30 is shown in FIG. The square has a corner and is easily ignited. However, the shape is not limited to this, and other squares, circles, and ellipses may be used as long as a certain combustion time is maintained.

  Moreover, it is preferable that the thickness of the plate of the ignition plate material 30 is used within a range of 10 to 15 mm. Here, the thickness of the ignition plate member 30 is in the range of 10 to 15 mm because when the thickness of the ignition plate member 30 is less than 10 mm, it is difficult to ignite and the ignition agent burns out quickly, This is because the combustion time cannot be adjusted even if the fuel is blown up rapidly and ignited. On the other hand, when the thickness of the ignition plate member 30 exceeds 15 mm, the molten fuel in the defrosting fuel layer 20 becomes difficult to be sucked up by the ignition plate member 30 and combustion cannot be performed sufficiently. .

  Further, the area of the flat portion of the ignition plate 30 is preferably used within a range of 10 to 20% with respect to the opening area of the anti-frost fuel casing 10. If the area of the flat surface portion of the ignition plate material 30 is within this range, first, the oil content of the ignition plate material 30 undergoes primary combustion at the beginning of combustion, and the solid fuel in the defrosting fuel layer 20 is melted by this combustion. Next, the fuel melted 15 to 20 minutes after the combustion is subjected to secondary combustion to increase the flame. When the oil impregnated by the ignition plate material 30 burns out, the ignition plate material 30 sucks up and burns the molten fuel in the anti-frost fuel layer 20 while floating on the liquid surface of the anti-frost fuel layer 20. That is, the ignition plate material 30 functions as a floating core of the frost-proof fuel body 1 and assists the combustion of natural fats and oils or natural fats and oils. The ignition plate material 30 covers the top of the defrosting fuel layer 20 in the middle of combustion, and plays a role of suppressing the combustion area of the defrosting fuel layer 20. Therefore, rapid combustion of natural fats and oils or natural fats and oils is suppressed. In the latter half of combustion, the ignition plate material 30 covering the frost-proof fuel layer 20 is not burned out, so the combustion area of the frost-proof fuel layer 20 is increased and the flame is increased. As described above, when the area of the flat portion of the ignition plate member 30 is in the range of 10 to 20% with respect to the opening area of the defrosting fuel casing 10, the defrosting fuel body 1 exhibits a good combustion state. Can last for a long time. However, when the area of the flat portion of the ignition plate member 30 is less than 10% with respect to the opening area of the frost-proof fuel casing 10, the frost-proof fuel casing 10 does not rise to the ignition temperature and is ignited. In addition, since the flame cannot be raised indefinitely, the defrosting fuel body 1 has a problem that a good combustion state cannot be maintained. Further, when the area of the flat portion of the ignition plate member 30 exceeds 20% with respect to the opening area of the defrosting fuel casing 10, the defrosting fuel casing 10 is easily ignited and burns quickly and burns. Although the flame becomes large in the initial stage, the ignition plate member 30 covers the surface of the defrosting fuel layer 20 in the middle of combustion, so that the flame hardly rises. And in the latter half of combustion, the defrosting fuel body 1 has a problem that it cannot sustain a good combustion state because the flame does not rise. Therefore, although this ignition plate material is laid flat on the frost-proof fuel layer 20, the above-mentioned effect cannot be obtained if it is placed upright.

  Further, the frost-proof fuel body 1 is configured such that the frost-proof fuel casing 10 provided with the frost-proof fuel layer 20 and the ignition plate material 30 is housed in a polyolefin resin bag 40 so that the contents are not spilled and are easy to carry. It is preferably sealed with a binding band 50. Since the polyolefin resin bag 40 is waterproof, there is no possibility that moisture such as rainwater penetrates. Therefore, since the defrosting fuel body 1 sealed in the bag 40 is placed in the park in advance during the daytime when it is easy to work, it is not necessary to hurry to set it at midnight. It can be done easily and quickly. In addition, the position of the defrosting fuel body 1 is easily confirmed at night (it is easier to understand if a reflective seal is pasted on the bag 40 in advance). Since this sealed anti-frost fuel body 1 is in a sealed state, it can be safely stored for a long period of time. In addition, well-known resin, such as a low density polyethylene resin, a high density polyethylene resin, a metallocene polyethylene resin, a polypropylene resin, is used for a polyolefin resin without a restriction | limiting. For the binding band 50, a known rubber band such as a known thermoplastic tape such as polyolefin resin, butadiene rubber or natural rubber is used.

  A specific example of use of the frost-proof fuel body 1 configured as described above will be described below.

  First, an edged vertical pot made of a pulp mold having a thickness of 5 mm, a height of 145 mm, and a maximum diameter of 180 mm is used for the defrosting fuel casing 10. A solid in which beaded stearic acid (or octadecanoic acid or octadecylic acid) having a diameter of 2.5 mm is solidified on the plate-like natural oil / fat layer 22 in the granular natural oil / fat layer 21 of the defrosting fuel casing 10. In the form of stearic acid (also referred to as octadecanoic acid or octadecylic acid). On the plate-like natural oils and fats layer 22, an ignition plate material 30 in which natural fats and oils are impregnated in a soft fiber board obtained by regenerating a tatami floor board having a thickness of 12 mm and a size of 60 mm × 60 mm is provided. The defrosting fuel casing 10 is housed in a low density polyethylene bag 40 and sealed with a binding band 50.

  Next, as shown in FIG. 4, the defrosting fuel body 1 sealed in the low density polyethylene bag 40 does not stick to the period or time during which frost is generated, and is convenient for the work in advance. It is arranged around the apple tree 61 in the apple orchard 60 at a certain time. The frost-proof fuel body 1 is arranged in the apple orchard 60 with reference to about 50 to 60 pieces per 10 ares (about 1000 square meters). In this case, a lot of frost-proof fuel bodies 1 are placed on the terrain where frost is likely to occur, such as inland basins and valleys, slopes and rivers, and places where cold air tends to accumulate near swamps. Also good. In FIG. 4, an arrow A indicates that the combustion heat generated when the defrosting fuel body 1 is burned is rising. The combustion heat indicated by the arrow A is effectively released near the ground surface as radiant heat necessary to prevent the generation of frost while the defrosting fuel body 1 is being burned. Here, the specific arrangement of the defrosting fuel body 1 is shown in FIG. As illustrated in FIG. 5, the defrosting fuel body 1 is arranged in a space centered on the apple tree 61 at an interval of about 4 to 5 m to prevent the generation of frost. .

  Then, the producer observes the temperature of the park at night when the temperature is drastically reduced at night due to climatic conditions where frost is expected to occur, for example, radiation cooling, and the observed temperature is less than the critical temperature. Is also ignited and combusted at the time when the temperature is lowered to a temperature higher by 1 ° C. FIG. 6 shows a state in which the defrosting fuel body 1 sealed in the low density polyethylene bag 40 is ignited by the burner 70. As shown in FIG. 6, the defrosting fuel body 1 is ignited from the outside of the low-density polyethylene bag 40 by the burner 70 to the ignition plate member 30 above the defrosting fuel body 1 and starts to burn. The frost-proof fuel body 1 that has been ignited continuously burns for about three and a half hours after the start of combustion, and finally only ash remains in the apple orchard. The state of combustion of the defrosting fuel body 1 will be described in detail below. In addition, since the combustion numerical value etc. which are used for this description change with topography, the number of use of the defrosting fuel body 1, a weather condition, etc., it is not necessarily restricted to this.

  First, the combustion of the defrosting fuel body 1 starts when the ignition plate material 30 is lit by the burner 70, and the height of the flame at that time is 20 to 30 cm from the ground surface. After 15 to 20 minutes, the flame becomes large, and the height of the flame is 40 to 50 cm from the ground surface. Then, about 40 minutes after the start of combustion, the natural fats and oils impregnated by the ignition plate material 30 are burned out, and the ignition plate material 30 is filled with the defrosting fuel layer 20 and melted stearic acid (or octadecanoic acid, octadecylic acid). It is initially fixed to the liquid level of the liquid (also referred to as)), but later floats and sucks up and melts the molten stearic acid (also referred to as octadecanoic acid or octadecylic acid) filled in the defrosting fuel layer 20 and burns. . At this time, the ignition plate material 30 remains on the frost-proof fuel layer 20 as a floating core of the frost-proof fuel body 1. Therefore, since the combustion area of the defrosting fuel layer 20 is suppressed and rapid combustion is suppressed, the height of the flame decreases to about 25 to 30 cm from the ground surface.

  Thereafter, when 90 minutes have elapsed since the start of combustion, the ignition plate material 30 is combusted and becomes smaller, and eventually burns out. Therefore, the combustion area of the defrosting fuel layer 20 is increased, and therefore, after the combustion starts 40 Combustion becomes larger than the minute, and the flame becomes larger again, and the height of the flame is about 30 to 35 cm from the ground surface. Then, around 180 minutes after the start of combustion, stearic acid (or octadecanoic acid, also referred to as octadecylic acid) filled in the defrosting fuel layer 20 decreases, so the combustion becomes smaller and the flame becomes smaller again. The flame height drops below 30 cm from the surface. Furthermore, when 210 minutes have elapsed since the start of combustion, the stearic acid (or also referred to as octadecanoic acid or octadecylic acid) filled in the defrosting fuel layer 20 is used up, so that the combustion of the defrosting fuel body 1 ends. After the end of combustion, the frost-proof fuel body 1 becomes all ash, but this ash does not contain any substances that contaminate the apple orchard environment. And this ash will eventually become the soil of the apple orchard.

  As described above, according to the defrosting fuel element of the present invention, it is possible to safely handle the environment without polluting the environment and prevent the generation of frost.

The perspective view which shows the fuel body for frost prevention which concerns on the Example of this invention. Sectional drawing which shows the structure of the fuel body for anti-frost concerning the Example of this invention. The perspective view which shows the ignition board material of the fuel body for frost prevention which concerns on the Example of this invention Explanatory drawing which shows a mode that the fuel body for frost prevention which concerns on the Example of this invention is arrange | positioned in the apple orchard and is burning. The layout which shows a mode that the fuel body for frost prevention concerning the Example of this invention is arrange | positioned The perspective view which shows the ignition method of the fuel body for defrosting concerning the Example of this invention

Explanation of symbols

1... Defrosting fuel body 10... Defrosting fuel casing 20... Defrosting fuel layer 21... Granular natural fat or natural fat layer 22. Plate-like natural fat / oil or natural fat / oil layer 30 ...... Ignition board 40 ...... Polyolefin resin bag 50 ...... Binding band 60 ...... Apple garden 61 ...... Apple tree 70 ………… Burna

Claims (9)

A frost-proof fuel casing constituted by a pulp mold is filled with granular natural fats or natural fats and oils that are combustible and formed into a granular shape, and is formed into a solid plate on the granular natural fats or natural fats and oils. A plate-like natural oil or fat or natural oil or fat having flammability is formed, and a frost-proof fuel layer that is stored in layers is formed. On the frost-proof fuel layer, the plate-like natural oil or fat or A defrosting fuel body comprising an ignition plate material that ignites and burns natural fats and oils. 2. The defrosting fuel assembly according to claim 1, wherein the granular natural fat or natural fat is filled with a bulk density of 0.2 to 0.7 g / cm ³ . The fuel material for frost prevention according to claim 1 or 2, wherein the plate-like natural fat or oil or natural fat is composed of natural fat or fat having a melting point of 30 ° C or higher. The natural fats and oils are linseed oil, olive oil, mustard oil, cacao oil, tung oil, sesame oil, safflower oil, soybean oil, tall oil, corn oil, rapeseed oil, palm oil, palm olein, palm stearin, castor oil, sunflower oil, Consists of at least one or more of cottonseed oil, palm oil, peanut oil, sardine oil, whale oil, shark oil, beef tallow, lard, and wax
The natural fats and oils are at least one or two of fatty acids such as stearic acid, lauric acid, myristic acid, palmitic acid, and behenic acid, and waxes such as carbana wax, rice wax, candy wax, and beeswax. The frost-proof fuel body according to claim 1, 2 or 3, which is constituted as described above. The defrosting fuel assembly according to claim 1, 2, 3, or 4, wherein the ignition plate member is composed of a soft fiberboard. 6. The defrosting fuel assembly according to claim 1, 2, 3, 4 or 5, wherein the ignition plate material is impregnated with natural fats and oils. The fuel material for defrosting according to claim 1, 2, 3, 4, 5 or 6, wherein the ignition plate material is formed to have a thickness of 10 to 15 mm. The anti-frosting material according to claim 1, 2, 3, 4, 5, 6 or 7, wherein the ignition plate material is formed so that an area of a plane portion is 10 to 20% with respect to an opening area of the paper container. Fuel body. 9. The defrosting fuel element according to claim 1, wherein the defrosting fuel element is housed in a polyolefin resin bag.

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