Method for planting plant using heat-shielding plate capable of suppressing increase in ground temperature and evaporation of ground moisture

Abstract

The present invention provides a method for planting a plant using a heat-shielding plate, the method comprising the steps of: preparing a heat-shielding plate by applying a polymethyl methacrylate (PMMA)-based heat shielding paint containing a heat-treated mineral-derived powder to at least one surface of a porous substrate; cutting the heat-shielding plate; forming an excavated surface by performing excavation at a location where a plant is to be planted where a plant is to be planted; arranging the heat-shielding plate around the excavated surface such that the excavated surface is exposed; and fixing the heat-shielding plate to the ground. According to the method, solar radiant heat is reflected to reduce the ground temperature, suppress evaporation of moisture, and maintain air permeability, thereby creating an environment favorable to plant growth.

Description

A planting method using a heat shield capable of suppressing ground temperature increase and moisture evaporation

[0001] The present invention relates to a method for planting plants (trees), specifically a method for planting plants such as trees in high-temperature and desertification regions that blocks sunlight and suppresses water evaporation to promote plant growth and contribute to preventing desertification, and furthermore enables the plant to retain moisture.

[0002] Desertification does not simply mean the expansion of deserts; it refers to the phenomenon where the productivity of the land declines, transforming the environment into one where it is no longer suitable for plant growth. Natural causes include drought, high temperatures, and dry climates. However, in addition to these natural factors, it is also attributed to excessive development in agriculture, livestock farming, and industrial activities, as well as deforestation and the accumulation of salt due to improper irrigation.

[0003] In order to plant trees in such desertified or hot and dry regions, it is important to block sunlight and minimize soil moisture evaporation.

[0004] To this end, efforts are being made to place tarpaulins and the like around planted vegetation, but there is still significant room for improvement in terms of function and effectiveness.

[0005] The present invention is an invention sought in consideration of the improvement problems described above, and aims to provide a method for planting plants using a heat shield that can promote smooth plant growth even in harsh environments by blocking sunlight around the planted plants and minimizing moisture evaporation in the soil.

[0006] A method for planting plants using a heat shield according to one embodiment of the present invention comprises the steps of: preparing a heat shield by applying a polymethyl methacrylate (PMMA)-based heat shield paint containing mineral-derived heat-treated powder to at least one surface of a porous substrate; cutting the heat shield; excavating a location to plant plants to form an excavated surface; arranging the heat shield around the excavated surface so that the excavated surface is exposed; and fixing the heat shield to the ground.

[0007] The porous substrate may include felt or nonwoven fabric.

[0008] The above mineral-derived heat-treated powder may include basalt heat-treated powder obtained by heat-treating basalt and then cooling it to powder.

[0009] The heat-insulating paint may comprise 100 parts by weight of modified polymethyl methacrylate; 3 to 6 parts by weight of polyurethane resin; 3 to 10 parts by weight of white pigment; 3 to 10 parts by weight of silicate; 3 to 10 parts by weight of calcium carbonate; and 1 to 5 parts by weight of the heat-treated powder derived from basalt.

[0010] The above fixation can be achieved by a fixing pin.

[0011] The above nonwoven fabric may include a carbon fiber-based nonwoven fabric.

[0012] The above carbon fiber may include waste carbon fiber or reused carbon fiber.

[0013] According to the present invention, by using a heat shield manufactured by applying a modified polymethyl methacrylate (PMMA)-based heat shield paint to felt or nonwoven fabric and placing it around planting sites, plant growth can be promoted and desertification can be prevented. In particular, water saving effects can be expected from the use of the heat shield.

[0014] Meanwhile, the present invention is significant in terms of resource circularity, specifically carbon fiber recycling, as it enables the realization of technical objectives by composing the nonwoven fabric of the heat shield with waste carbon fibers or recycled carbon fibers, thereby allowing waste carbon fibers to be manufactured directly into a nonwoven fabric without restoring their physical properties.

[0015] FIG. 1 is a flowchart conceptually illustrating a method of planting plants using a heat shield in one embodiment of the present invention.

[0016] Figure 2 is a flowchart conceptually explaining the method for manufacturing heat-treated powder derived from basalt included in heat-insulating paint.

[0017] Figure 3 is a photograph illustrating a heat shield coated with heat-insulating paint.

[0018] Figure 4 is a photograph illustrating an example of a heat shield placed around the open excavation surface.

[0019] Figure 5 is a photograph illustrating an example of plants planted using a heat shield.

[0020] Hereinafter, a method for planting plants using a heat shield according to an embodiment of the present invention will be described in detail with reference to the attached drawings. The following descriptions are exemplary descriptions intended to explain the embodied aspects of the technical concept of the present invention, and the technical concept of the present invention is not limited by the following descriptions. The technical concept of the present invention can only be interpreted and limited by the claims set forth below.

[0021] FIG. 1 is a flowchart conceptually illustrating a method of planting plants using a heat shield in one embodiment of the present invention.

[0022] Referring to FIG. 1, a method for planting plants using a heat shield (hereinafter referred to as the ‘planting method’) (S100) includes a heat shield preparation step (S110), an opening step (S120), a heat shield cutting step (S130), a heat shield placement step (S140), and a heat shield fixing step (S150).

[0023] The heat shield preparation step (S110) for manufacturing the heat shield includes a substrate preparation step (S112), a coating step (S114), and a drying step (116).

[0024] In the substrate preparation step (S112), a porous material is used as the substrate. Examples of the porous material include felt and non-woven fabric. Such a porous material has excellent coating and impregnation characteristics for the heat-insulating paint described later, allowing for the formation of a stable heat-insulating paint film. Meanwhile, it is preferable to use a carbon fiber-based non-woven fabric. By using a carbon fiber-based non-woven fabric, mechanical properties such as durability and weather resistance, as well as chemical properties, can be enhanced.

[0025] Recycled carbon fibers, such as waste carbon fibers and reused carbon fibers, may be used as the carbon fibers mentioned above. Since the nonwoven fabric used as a heat shield substrate is not intended for subsequent processing such as CFRP, waste carbon fibers that have not undergone a property restoration process such as upcycling can be used directly in the manufacture of the nonwoven fabric. Waste carbon fibers, such as cut scrub, can be manufactured into a nonwoven fabric through fiber opening and carding processes.

[0026] When felt or non-woven fabric, etc., is prepared as a substrate, a coating step (S114) is performed. The coating step (114) is a step of applying heat-insulating paint to the substrate. The coating may be performed using a roller, brush, spray, etc., or, in some cases, by impregnating the substrate with heat-insulating paint. The coating may be performed on one or both sides of the substrate, and it is preferable to apply the heat-insulating paint to the surface facing the ground in addition to the surface exposed to sunlight.

[0027] Meanwhile, the above-mentioned heat-insulating paint is a polymethyl methacrylate (PMMA)-based paint and may include modified PMMA as a main component. In addition, the above-mentioned heat-insulating paint may include mineral-derived heat-treated powder to improve the wear resistance and heat dissipation characteristics of the heat shield. The mineral-derived heat-treated powder is obtained by heat-treating basalt and then cooling it to powder.

[0028] Figure 2 is a flowchart conceptually explaining the method for manufacturing heat-treated powder derived from basalt included in heat-insulating paint.

[0029] Referring to FIG. 2, in order to perform the method (S200) for manufacturing heat-treated powder derived from basalt, a basalt preparation and washing step (S210) is first performed to prepare and wash basalt. The basalt sample is a commercially available sample, and there are no specific restrictions on its shape. However, it is preferable not to purchase a basalt sample in powdered form to control the particle size in the subsequent crushing step. Washing is a measure to preemptively remove impurities present on the surface of the basalt so that they cannot act as factors that change the temperature in the subsequent melting step. Methods such as those utilizing differences in specific gravity may be used for removing the impurities.

[0030] After the basalt is washed and dried, a basalt crushing step (S220) is performed. Through the crushing step (S3220), crushed basalt is prepared, and it is desirable that the crushing be carried out so that the average particle size of the crushed material particles is maintained at approximately 0.01 mm to 0.05 mm. For melting efficiency, it is advantageous to crush the basalt more finely, but if the average particle size of the crushed particles is less than 0.01 mm, melting occurs too rapidly, making it difficult to achieve the full characteristics due to abnormal heat treatment. In the basalt crushing step (S220), foreign substances contained within the basalt and crushed are separated by various methods. This is because foreign substances can cause abnormal melting temperature in the melting step (S230) described later.

[0031] When the crushed basalt is prepared, a low-temperature melting step (S230) is performed to heat and melt the crushed basalt. The crushed basalt must be melted in a relatively low-temperature environment of 800 to 1000°C, rather than at a temperature of 1400°C or higher, which is the normal complete melting temperature, and by melting at the above temperature, the physical properties required as exothermic particles can be achieved. Meanwhile, during the process of performing the melting step (S230), sulfur or an acidic solution may be added.

[0032] When the low-temperature melting step (S230) is completed, a cooling step (S240) for cooling the molten material is performed. The cooling is carried out sufficiently at room temperature. When the cooling step (S240) is completed, a pulverization step (S250) for pulverizing the cooled molten material is performed, thereby preparing a basalt-derived heat-treated powder according to one embodiment of the present invention.

[0033] The above basalt-derived heat-treated powder may be variably configured such that the composition of the heat-treated powder has the following composition, depending on detailed melting temperature conditions or whether additives are added. Test results (Korea Institute of Materials Science) confirmed that the heat-treated powder contains 100 parts by weight of SiO2; 25 to 32 parts by weight of Al2O3; 18 to 22 parts by weight of CaO; 18 to 22 parts by weight of MgO; 18 to 22 parts by weight of Fe2O3; and metallic components such as Ti, Y, La, Ce, and Nd.

[0034] Table 1 below is a table illustrating the composition of the heat-treated powder above.

[0035] SiO2Al2O3CaOMgOFe2O3TiYLaCaNdbal15.3310.1910.0710.181.190.00430.00950.01310.0071

[0036] The above-mentioned basalt-derived heat-treated powder not only has excellent heat insulation properties but also enables effective prevention of wear on the coating surface even in harsh external environments and climatic conditions.

[0037] Specifically, the heat-insulating paint comprises 100 parts by weight of modified polymethyl methacrylate; 3 to 6 parts by weight of polyurethane resin; 3 to 10 parts by weight of white pigment; 3 to 10 parts by weight of silicate; 3 to 10 parts by weight of calcium carbonate; and 1 to 5 parts by weight of the heat-treated powder derived from basalt.

[0038] Meanwhile, in the coating step (S1140), the viscosity can be adjusted using a diluent if necessary. Additionally, the thickness of the coating film formed by coating can be adjusted within the range of 0.1 mm to 2 mm. Since the heat insulation effect and drying time vary depending on the coating film thickness, the coating film thickness can be determined by considering the conditions of the planting site where the heat insulation plate is to be applied.

[0039] When the coating step (S114) is completed, a drying step (S116) is performed to dry the applied heat-insulating paint to form a film. The drying step can be performed at room temperature or with hot air, and in the case of hot air drying, it can be performed at a temperature of 25°C to 60°C. However, to prevent cracks or bubbles from forming during the drying process, it is preferable that the drying be performed in a sealed space where external environmental factors do not affect it.

[0040] When the drying step (S116) is completed, a heat shield according to one embodiment of the present invention can be completed.

[0041] Figure 3 is a photograph illustrating a heat shield coated with heat-insulating paint.

[0042] Referring to Fig. 3, a heat shield is prepared by applying white heat-insulating paint to a black substrate (carbon fiber-based).

[0043] Once the heat shield is prepared, an excavation step (S120) is performed to dig a pit in the area where plants are to be planted. The excavation step (S120) can be carried out by employing various known general planting methods. That is, soil modification or other soil additives necessary for plant growth may be additionally considered during the excavation step (S120).

[0044] When the excavation step (S120) is completed, a heat shield cutting step (130) is performed to cut the heat shield into a suitable size and shape so as to firmly cover the soil surface (ground) around the location where plants are to be planted, taking into account the shape and area of ​​the excavation surface. Multiple heat shields may be used.

[0045] When the heat shield cutting step (S130) is completed, a heat shield placement step (S140) is performed to place the heat shield around the area where plants are to be planted.

[0046] Figure 4 is a photograph illustrating an example of heat shields placed around the excavation surface. As seen in Figure 4, heat shields are placed around the pit without gaps so that the excavation surface where plant roots are planted can be opened.

[0047] The placed heat shields are fixed to the ground through the heat shield fixing step (S150). Although the ends of the heat shields may be fixed by covering them with soil, it is preferable to fix them to the soil using separate fixing pins for a secure fixation.

[0048] In addition, depending on the case, the heat shields may be stacked to secure the heat shields in a stacked form.

[0049] FIG. 5 is a photograph illustrating an example of planting using a heat shield. When the heat shield is placed, the planting method (S100) according to the present invention can be completed by planting plants as shown in FIG. 5.

Claims

1. A step of preparing a heat shield by applying a polymethyl methacrylate (PMMA)-based heat shield paint containing mineral-derived heat-treated powder to both sides of a porous substrate; Step of cutting the above heat shield; A step of excavating the location to be planted to form an excavated surface; A step of arranging the heat shielding plate so that the excavation surface is exposed around the excavation surface and an opening corresponding to the planting location is formed; and The step of fixing the above heat shield to the ground, The above porous substrate is a nonwoven fabric manufactured through a carding process using waste carbon fibers that have not undergone a physical property restoration process including upcycling. Can promote plant growth and prevent desertification, Planting method using a heat shield.

2. In Paragraph 1, A method for planting plants using a heat shield, characterized in that the above mineral-derived heat-treated powder includes basalt heat-treated powder obtained by heat-treating basalt and then cooling it to powder.

3. In Paragraph 2, The above heat-insulating paint is, 100 parts by weight of modified polymethyl methacrylate; 3 to 6 parts by weight of polyurethane resin; White pigment; 3 to 10 parts by weight; 3 to 10 parts by weight of silicate; 3 to 10 parts by weight of calcium carbonate; and A method for planting plants using a heat shield plate characterized by including 1 to 5 parts by weight of the above-mentioned basalt-derived heat-treated powder.

4. In Paragraph 1, A method for planting plants using a heat shield, characterized in that the above fixation is achieved by a fixing pin.

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