KR20080085289A - The construction internal organs loess board where the fixation is possible with the tacker pin and manufacturing method - Google Patents

Abstract

A method for manufacturing loess boards for construction interior fixed by tacker pins is provided to reduce the installation cost by improving construction efficiency and to prevent foreign materials from being stuck during transportation and handling by attaching papers on the front and rear surfaces of the board. In a method for manufacturing loess boards for construction interior fixed by tacker pins, the panel-shaped board of desirable thickness(t2) is molded by mixing loess powder and vegetable materials at the volume ratio of Vs=850~950cm^3:Vc=50~150cm^3 against the total volume of V=1,000cm^3, paving the mixture in predetermined thickness(t1) in a mold, and compressing the mixture at predetermined pressure(P) by a press. Loess powder is produced by extracting yellow loess from the nature and crushing yellow loess at the particle size below No.10(2mm) and the moisture content rate of 10~15%. Vegetable material has the particle size below No.20(0.85mm) and the moisture content rate of 8~12% by crushing.

Description

The construction internal organs loess board where the fixation is possible with the tacker pin and manufacturing method}

1 is a photograph showing the exaggeration of drying of the ocher board made of pure ocher only in the state of conventional water content.

Figure 2 is a photograph showing a state when the ocher board fixed with taka pin made of conventional pure ocher only.

Figure 3 is a photograph of a loess board manufactured by mixing masato in conventional loess.

Figure 4 is a photograph of a loess board manufactured by mixing sand with conventional loess.

5 is a perspective view of the present invention ocher board.

Figure 6 is a photograph showing a state in which the ocher board of the present invention is fixed by the Taka pin.

Figure 7 is a manufacturing process for explaining the method of the present invention.

Figure 8 is a photograph showing a state coated with a paper containing 5% sawdust powder of the ocher board (30cmx40cm) prepared by the present invention.

9 is a copy of the test report of the Korea Testing Institute for the ocher board of the present invention.

Explanation of symbols on the main parts of the drawings

1: ocher board

2: paper

3: takapin

The present invention relates to an ocher board for building interiors which can be fixed with taca pins, and a method for manufacturing the same. More specifically, the present invention relates to a natural structure having a water function ratio of 10 to 15% and a particle size of no. The volume ratio of crushed vegetable materials (sawdust, rice straw or rice husk, etc.) with the ocher powder and water function ratio of 8-12% and the particle size of No. 20 (0.85㎜) or less (total volume V = 1,000 cm 3) Ocher Vs = 850 ~ 950 cm 3: Plant material Vc = 50 ~ 150 cm 3 ratio, mixed in a mold, compressed to a predetermined pressure (30 ~ 50 ㎏ / ㎠), and then dried naturally to produce a board form Flexible loess board with good flexibility and buffering ability, with strong interlocking effect during compression to increase adhesion, strong adhesion to tension and compression, strength and warmth, and constant voids It can be fixed to the wall using taka pin instead of adhesive, which can greatly reduce the construction cost of building interior materials. It can be easily applied to indoor construction to protect the health of the human body, and in particular, it is invented to ensure the construction quality while being a well-being building material.

Generally If you want to collect the yellow soil in the natural state and use it as a building material, the loess is too loose, so the strength required is too weak to be used directly as a building material.

In such cases, mechanical or chemical methods must be used to improve the physical and mechanical properties of the loess.

Since ancient times, our ancestors have used wisdom as a building material and brick as a building material by appropriately mixing moisture with rice straw, which has a lot of wisdom and increases the adhesion to loess and adhesion that is beneficial to the human body. It is difficult to satisfy the air, economics, workability, etc. by applying to.

That is, it has been proved that the building materials using ocher, which have been used by ancestors in the past, have been excellent in terms of the environment, and various products using such excellent ocher have been developed. Ocher boards are mixed with harmful admixtures such as bonds, or by applying high heat in the process of producing ocher boards, pottery forms and bricks are gradually disappearing beneficial ingredients to the human body.

In the above state, natural soil is composed of appropriate moisture, air, and granules, and when compressed, air in the gap is easily discharged and the volume of the soil is momentarily reduced.

Compression of loose loess under constant pressure not only increases unit weight, increases shear strength, but also reduces permeability and compressibility, greatly improving the engineering properties of the material.

In addition, thin ocher boards made of pure ocher, not mixed with any admixture, do not have a constant void, so when the ocher board is fixed to the wall with a taka pin using a taka gun, the taka pins pop out or cracks on the board itself. It is gone or destroyed and its workability is very bad.

Therefore, as a method of fixing a board made of ocher, conventionally, instead of taka work, adhesives such as bonds are used instead of the above-mentioned work. Harm to the human body.

On the other hand, construction materials such as gypsum board, which are widely used in living spaces such as houses, shopping malls, apartments, and offices, contain not only harmful ingredients but also cause atopic skin diseases and cancer. Is suppressed.

Therefore, in recent years, a lot of building materials using loess, which is a product suitable for the well-being age, and which is environmentally friendly and useful for humans, have been developed. Cement of the wall) can be freed from harmful components.

On the contrary, ocher has a function to purify the toxicity, and since there are beneficial ingredients to the human body, many building materials using ocher have been developed recently.

In addition, there is a method of finishing the walls or floors of residential spaces (houses, apartments) with existing boards or ocher plastering, but it is currently impossible to use only pure ocher without chemical bonds.

The ocher boards, which are currently made by adding various kinds of mixtures, do not have uniform voids, and therefore, pins are likely to pop out or crack or break in the process of fixing the ocher boards and walls with taka pins using a taka gun.

On the other hand, Figure 1 is a photograph showing the dry exaggeration of the ocher board (1) made of pure ocher only in a state of high water content in the prior art, by collecting the natural ocher with a high water content sifted particles and prepared by applying a constant pressure When drying naturally, the pores are formed by evaporation of moisture contained in the loess, and since the pores do not have any material that exhibits adhesion between the particles, the cracks occur during the drying process as shown in the photograph. The water content was 20-25% by volume.

In other words, it can be seen that the natural ocher, which has a high water content during the sampling process, is naturally dried to obtain an appropriate water content and manufactured to an optimum water content to make an unbroken ocher board.

In addition, Figure 2 is a photograph showing the state when the conventional ocher board (1) made of pure ocher only fixed with taka pin (3), the ocher board made of pure ocher particles having a proper water content ratio in the compression process The air contained in the granules escapes and the soil particles, unlike vegetable materials, become harder and free of voids because they do not have pores. Therefore, the ocher board products made of pure natural ocher particles can be easily cracked or broken as shown in the photograph shown in Fig. 2 as a result of the taka work.To make the ocher boards that are not damaged during taka work, It can be seen that there is a need for a mixed material to create a suitable space between the particles.

In addition, Figure 3 is a photograph of a loess board manufactured by mixing masato to conventional ocher, the natural ocher and masato mixed and compressed and then naturally dried board (1), the Masato particles are strong to make a rigid board with high strength I can see your luggage.

At this time, since the Masato component is distributed more than No. 20 (0.85 mm) sieve particles larger than the size of the natural ocher particles, the board made by applying pressure is a very strong product, but the surface area of the particles is small, the bonding strength is weak and the pores are As such, there is a problem that the board manufactured using masato and ocher in this way is so hard that it breaks easily during handling and the taka pins pop out during taka work.

And, Figure 4 is a photograph of a loess board manufactured by mixing sand with conventional loess, sifted natural loess and mixed with sand and then compressed and then dried and then formed into a board (1), sand particles Since the size of is larger than ocher particles, it is compressed into the manufacturing process and is made of a hard board with no air gaps and voids.

Like this, the ocher board, which is compressed and molded by mixing sand and ocher, is too hard like Masato, so it is easily broken during handling and taka pins are protruding or easily damaged during taka work. It can be seen that in order to make a non-product, it is necessary to have a vegetable material to make a suitable space between the loess particles and the particles.

In addition, there is a problem in that the work process is difficult and harmful substances are used to harm the human body as the conventional work is attached to the wall using an adhesive or the like instead of the Taka work.

The present invention has been devised to solve such a conventional problem and to solve the requirements of the loess board for building interior, the water function ratio has 10-15% and the particle size of No. 10 (2㎜) or less The natural clay powder pulverized to have a water content ratio of 8-12%, and the pulverized vegetable material (sawdust, rice straw or rice husk, etc.) having a particle size of No. 20 (0.85㎜) or less has been determined. Vs = 850 ~ 950 cm 3: Ocher particles Vs = 850 ~ 950 cm 3: Sawdust (straw straw) Vc = 50 ~ 150 cm 3 Ratio) It is not only possible to fix it with taka pin, but also it is very easy to install, which greatly reduces the installation cost, it is strong in tension and compression, and it is excellent in heat retention. After manufacturing, it is possible to attach paper on the front and back of the board. It not only prevents foreign matter from adhering to it during transportation and handling, but also prevents scratches, burns, or breakages. Especially, it is easy to apply the beneficial ingredients to the human body of ocher as indoor building materials to improve human health. The purpose of the present invention is not only to protect the well-being building materials but also to secure the quality of the construction by using a pin, which can be fixed with a built-in ocher board for building interior and its manufacturing method.

The ocher board of the present invention for achieving the above object is the ocher powder which is collected and pulverized in nature to have a particle size of No. 10 (2 mm) or less and at the same time have a moisture function ratio of 10-15%. And, through the grinding, the vegetable material which has a particle size of No. 20 (0.85 mm) or less and has a water function ratio of 8-12%, yellow soil Vs = 850 to 950 cm 3: Vegetable material Vc = 50 ~ 150 cm 3 mixed in a ratio of a predetermined thickness (t1) was installed in the mold, and pressed to a predetermined pressure (P) using a press formed into a board of a board shape of the desired thickness (t2) do.

At this time, the vegetable material is characterized in that any one of sawdust, rice straw or chaff.

Moreover, the installation thickness t1 of the mixed material put into the said mold is 25 mm, The thickness t2 of the board 1 after compression is 9 mm or 12 mm, It is characterized by the above-mentioned.

In addition, the compression pressure of the press for pressing the mixed material installed in the mold is characterized in that 30 ~ 50kg / ㎠.

And, if necessary, it is characterized in that the paper is attached to the whole or front, rear of the board.

On the other hand, in the manufacturing method of the present invention for achieving the above object, in the ocher board manufacturing method for putting the ocher powder into the mold to produce a board form using a press, the loess collected in nature is ground using a grinder Screening the ocher powder having a particle size of No. 10 (2 mm) or less using a sieve having a particle size of No. 10 (2 mm); A step of drying the ocher powder of No. 10 (2 mm) or less selected above or spraying water molecules thereto to have a water function ratio of 10-15% in the ocher powder; Processing the wood or vegetable material obtained in nature using a grinder to sift through a sieve having a particle size of No. 20 (0.85 mm) to sort out powders of No. 20 (0.85 mm) or less; Forming a water function ratio of the vegetable material powder to 8-12% by drying the powder of the vegetable material of No. 20 (0.85 mm) or less selected above or spraying water molecules thereon; The process of forming the mixed material by putting the obtained ocher powder and the vegetable material into the mixer at a ratio of 850 to 950 cm 3: vegetable material particle volume (Vc) of 50 to 150 cm 3 in total volume (V) of 1,000 cm 3. and; The mixed material formed by mixing in the above is laid in a mold having a predetermined height and a predetermined thickness t1, and compressed to a predetermined pressure P using a press to be molded into a board-shaped board 1 having a desired thickness t2. Process of doing; Placing the board in a well-ventilated shady place and drying for a predetermined period of time.

In addition, if necessary, the step of attaching and installing the paper on the whole or the front and rear of the board formed by press compression before the natural drying process is characterized in that it is further carried out.

At this time, the vegetable material is characterized in that any one of rice straw obtained after milling of rice or rice straw obtained as a residue after threshing of various sawdust or rice produced during the processing of wood.

In addition, when mixing the ocher powder and the vegetable material, the condition in the mixer is characterized in that the humidity is maintained within 80%, 15 ± 5 ℃ in a state in which direct sunlight does not flow.

In addition, the laying thickness t1 of the mixed material placed in the mold is 25 mm, and the compression pressure of the press for pressing the mixed material placed in the mold is 30-50 kg / cm 2 to be molded by press compression. The thickness t2 of the board is characterized in that 9mm or 12mm.

At this time, the width x length of the board is characterized in that any one of 45cm x 90cm and 45cm x 45cm, 30cm x 60cm and 30cm x 30cm.

And, the natural drying period is characterized in that 3-7 days.

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

Figure 5 shows a perspective view of the loess board of the present invention, Figure 6 shows a photograph showing a state in which the loess board of the present invention is fixed by the taka pin, Figure 7 shows a manufacturing process diagram for explaining the method of the present invention 8 is a photograph showing a state in which the ocher board (30 cmx40 cm) manufactured by the present invention is coated with paper containing 5% of sawdust powder, and FIG. 9 is a photograph of the ocher board of the present invention. A copy of the test report from the test laboratory.

According to this, the ocher board of the present invention is the ocher powder which is collected in nature and has a particle size of No. 10 (2 mm) or less and a water function ratio of 10-15%, and a particle size of No. 20. Vegetable materials having a (0.85㎜) or less and water content ratio of 8-12%, ocher particle volume (Vs) 850 ~ 950cm3 compared to the total volume (V) = 1,000cm 3: Vegetable material particle volume (Vc) 50 The mixed material mixed at the ratio of ˜150 cm 3 is laid in the mold to a predetermined thickness (t1), compressed to a predetermined pressure (P) by using a press, and then molded into a board-shaped board (1) having a desired thickness (t2) and naturally dried. Characterized in that formed.

At this time, the vegetable material is characterized in that any one of sawdust, rice straw or chaff.

In addition, the installation thickness t1 of the mixed material placed in the mold was 25 mm, and the compression pressure of the press for pressurizing the mixed material placed in the mold was 30-50 kg / cm 2. The thickness t2 is set to be 9 mm or 12 mm.

In addition, if necessary, the paper 2 is attached to the whole or front and rear of the board 1.

On the other hand, the manufacturing method of the present invention, in the ocher board manufacturing method for putting the ocher powder into the mold to produce a board using a press,

Crushing the loess collected in nature using a pulverizer and sifting a sieve having a particle size of No. 10 (2 mm) to sort the loess powder having a No. 10 (2 mm) or less;

A step of drying the ocher powder of No. 10 (2 mm) or less selected above or spraying water molecules thereto to have a water function ratio of 10-15% in the ocher powder;

Processing the wood or vegetable material obtained in nature using a grinder to sift through a sieve having a particle size of No. 20 (0.85 mm) to sort out powders of No. 20 (0.85 mm) or less;

Forming a water function ratio of the vegetable material powder to 8-12% by drying the powder of the vegetable material of No. 20 (0.85 mm) or less selected above or spraying water molecules thereon;

The ocher powder and vegetable material obtained above are introduced into a mixer to form a mixed material having a ratio of 850 to 950 cm 3 of ocher particle volume (Vs) of 50 to 150 cm 3 in total volume (V) of 1,000 cm 3. Process;

The mixed material formed by mixing in the above is installed in a mold having a predetermined height and a predetermined thickness t1, and compressed to a predetermined pressure P using a press to a board 1 having a plate shape having a desired thickness t2. Molding process;

The board (1) is placed in a well-ventilated shady place and the step of drying naturally for a predetermined period (T); characterized in that consisting of.

In addition, if necessary, the step of attaching and installing the paper 2 on the entire surface or the front and back of the board 1 formed by press compression before the natural drying process.

At this time, the vegetable material is characterized in that any one of rice straw obtained after milling of rice or rice straw obtained as a residue after threshing of various sawdust or rice produced during the processing of wood.

In addition, when mixing the ocher powder and the vegetable material, the conditions in the mixer is characterized in that the humidity is maintained within 80%, and the temperature is maintained at 15 ± 5 ℃ in a state in which direct sunlight does not flow.

Moreover, the board | substrate shape | molded by the press compression was made into the installation thickness t1 of the mixed material put into the said mold to 25 mm, and the compression pressure of the press which presses the mixed material laid in the said mold to 30-50 kg / cm <2>. The thickness t2 of (1) is set to be 9 mm or 12 mm. It is characterized by the above-mentioned.

At this time, the width x length width of the board (1) is characterized in that any one of 45cm x 90cm and 45cm x 45cm, 30cm x 60cm and 30cm x 30cm.

In addition, the natural drying period (T) is characterized in that 3 to 7 days.

Referring to the effect of the present invention made of such a configuration and process as follows.

First, the ocher board of the present invention is largely taken from nature and then pulverized to have a particle size of No. 10 (2 mm) or less, and at the same time, the ocher powder having a water function ratio of 10-15% of the total volume (V). Vs = 850 to 950 cm 3 compared to = 1,000 cm 3 and vegetable materials obtained from processing or nature of wood and having a particle size of No. 20 (0.85 mm) or less as well as a water content ratio of 8-12%. For example, any one of sawdust, rice straw or rice husk) is mixed at a ratio of Vc = 50 to 150 cm 3, and then put into a mold and compressed using a press to form a board 1 having a plate shape having a desired thickness (t 2). One of them is the main technology configuration.

At this time, the ocher is selected from the soil collected at the natural ocher collection site only fine quality ocher and pulverized using a grinder and sifted through a sieve having a particle size of No. 10 (2 mm) to No. 10 (2 mm) Select the following ocher powders and then include them in the ocher powder by drying (drying in a well-ventilated and shaded place when the water content ratio is higher than the reference value) or spraying water molecules when the water function ratio is lower than the reference value. The moisture function ratio is 10-15%.

In addition, in the case of the vegetable material, the particle size is No. 20 (0.85 mm) after crushing any sawdust produced during processing of wood or rice straw obtained as a residue after threshing of rice or rice chaff obtained after rice milling after grinding. Sieve sieve through the sieve to sieve the vegetable material powder of No. 20 (0.85㎜) or less, and then dry it like ocher or spray water molecules on it to make water moisture ratio of 8-12 You will use the one that has%.

In this case, in addition to those described above, as the vegetable material, reed, manila hemp or the like may be used.

The ocher powder and the vegetable material obtained as described above are introduced into the mixer at a ratio of 850 to 950 cm 3: ocher particle volume (Vs) of 50 to 150 cm 3 of total volume (V) of 1,000 cm 3, respectively. After forming, it was laid in a mold having any one of 45 cm x 90 cm and 45 cm x 45 cm, 30 cm x 60 cm, and 30 cm x 30 cm in width and length at a thickness t1 of 25 mm. It is pressed by a pressure p of 30-50 kg / cm <2>, and is compression-molded by the board-shaped board | substrate 1 which has a thickness t2 of 9 mm or 12 mm.

At this time, in order to ensure that the ocher powder and the vegetable material are mixed smoothly, the humidity and temperature conditions in the mixer in which the materials are added and mixed keep the humidity within 80%, and the temperature is 15 ± 5 without direct sunlight. It is good to keep the temperature.

Thus, the compression-molded board 1 is preferably placed in a well-ventilated shady place and dried naturally over a period of 3-7 days (T). If necessary, the compressed board 1 is naturally Prior to drying, if the paper 2 is attached to the entirety of the board 1 or the front and back of the board 1 or selectively as shown in FIG. 8, the ocher board of the present invention may be Foreign matter adheres to the surface and scratches can be prevented.

In this case, the paper 2 may be removed from the board 1 when the ocher board 1 is fixedly installed with a taka gun, and then the ocher board 1 itself may be fixed with a taka pin 3.

Hereinafter, the characteristics of the materials used in the loess board of the present invention and the characteristics of the blending ratio of each material are analyzed as follows.

First, ocher is a weathered residual soil formed in the process of the rock being transformed into soil due to chemical weathering, and corresponds to the B-layer soil of the soil cross-section. In Korea, it is distributed almost nationwide, but the composition is somewhat different depending on the cancer. It is fundamentally different from the scientific terminology of loess, which is composed of fine particles that have been blown and deposited in the continent, such as the Yellow River basin in China.

In addition to quartz and feldspar, such ocher is mostly composed of clay minerals, and the clay mineral content in ocher is varied in the range of about 40 to 80%, and clay minerals are mainly composed of kaolin minerals, illite and vermiculite. have.

The total particle size distribution of such loess is approximately 15.5% of gravel, 31.7% of sand, 27.6% of silt, and 25.2% of clay. do.

Clay minerals are secondary minerals that are resynthesized after being weathered in the process of soil formation and are small particles. The active surface area is very large. Physical and chemical properties such as pH, pH, air permeability, and water permeability are greatly influenced, and clay minerals belonging to silicate generally have high ion exchange capacity.

Major domestic clay minerals include bento-nite, lllite, zeolite and kaolin.

All clay minerals have an interlaminar structure and a tube structure, and due to this structure, water (H ₂ O) flows in and out of the particle, so the surface area per unit mass including both the external surface and the inner surface is very large. The surface area per 1g reaches 500 ~ 1,000㎡.

These surfaces have a (-) or (+) charge and cause various phenomena such as attracting ions having opposite signs of charge.

Such loess has a lot of particles and contains a lot of oxygen (spreading the loess during red tide, the dissolved oxygen disappears due to the increase of dissolved oxygen), and it has excellent purifying ability, deodorizing and degreasing properties, and similar to ordinary soil without heating. Once heated (above 60 ℃), far-infrared radiation (5㎛ ~ 15㎛) is superior, close to the most beneficial energy curve of the human body, and the central part of the human body maintains the body temperature of 35 ℃.

On the other hand, sawdust, rice straw, rice husk, reed, and manila hemp used as a vegetable material (Biomass) used as an additive to ocher particles have water pipes and body pipes for transferring water and nutrients required for plant growth and maintenance. Have tubes of approximately 2 micrometers in size.

These tubes are connected to each other and, when dried, act as a space for warming and buffering similar to the air pockets of the fibers.

If the powder particle size of the vegetable material is too large, it is difficult to process the ocher board as in the present invention, not only aesthetically good, but also harmful substances are absorbed and moved through the water and body pipes of the vegetable material and eventually absorbed into the air. Even if it is, it is easy to be re-extracted.

On the other hand, if the powder particle size of the vegetable material is too small, it is difficult to expect the effect of special voids due to the destruction of the body tube and the water pipe, and if the amount of the mixture of such vegetable material powder is large, the bonding strength with the ocher particles is reduced, and the strength It is difficult to make the finished product because it is low, and the inherent effect of the loess is reduced, and the use of the loess board for a long time tends to cause deterioration of the loess board due to the change of the physical properties of the plant, while If it is too small, it is difficult to expect a certain void to be able to work Taka.

Therefore, in the present invention, in view of such a point, the vegetable material was used by pulverizing and sorting into a powder having a particle size of No. 20 (0.85 mm) or less.

On the other hand, in the case of water, the yellow soil in the natural state always contains water, and the clay mineral is negatively charged mainly due to homomorphic substitution. Will be affected.

Such water is a neutron, but since the hydrogen atoms are asymmetrically bonded around the oxygen atom, the center of the positive and negative electric load does not coincide.

In other words, since water molecules are negatively charged on one side and positively charged on the other side, like the magnet bar, the cathode of the water molecules binds to the cation and the anode binds to the clay particles. Particularly, the surface of the clay particles is the oxygen or hydroxyl group in the lattice. Because of the hydrogen bonding between hydrogen and water molecules, the bonding force is very strong.

Therefore, it was necessary to find the condition of the optimum water content because the moisture content of the loess in the natural state greatly affected the loess board manufacturing process.

Therefore, the conclusions obtained by the present inventors through the various tests are to find the ocher particles having the optimum water content with the porosity generated during the hydrogen bonds, the electrical force caused by the dehydration condensation reaction in the manufacturing process, and buffered during Taka work It was to create a space for action and to find a mixture of heat and cold effects, sifting natural loess having an optimal water content ratio, and sieving powder of vegetable materials through a certain sieve. Made the same ocher board.

As a result, the water content of the ocher particles should have 5 to 15%, and the mixing ratio (volume) of the vegetable material was found to be within 5 to 15%, and thus the ocher board made as shown in FIG. As shown in the photo, it was attached to the wall by taka work.

On the other hand, the change according to the blending ratio (volume blending ratio, ie total volume (V) = ocher particle volume Vs + vegetable material (sawdust, rice straw, etc.) Vc) for the loess powder and the vegetable materials used in the present invention are as follows. same.

① Vs = 85% or less, Vc = 15% or more

The purpose is to have a certain amount of voids in order to taka work by mixing a certain amount of vegetable material with ocher particles.If the mixing ratio of the vegetable material is too much more than 20%, the ocher board is light weighted or kept warm and cold Although the effect of the ocher particles and the powder of the vegetable material is mixed, the binding force that can be attached in a mass is not able to maintain a constant shape could not make the finished product.

In addition, when the mixing ratio of the vegetable material is 15% to 20%, the bonding strength between the particles and particles is reduced, the strength is weakened, the breakage rate is high during the manufacturing process, and the defect rate is increased during the taka work.

② Vs = 85% ~ 95%, Vc = 5% ~ 15%

As a result of the test under various conditions, it was concluded that the volume ratio of the vegetable material, which is a mixture used in the yellow soil, is appropriate in the range of 5 to 15%. When the amount of the vegetable material is too small, the strength is strong but the powder of the vegetable material It was found that the eggplant has little voids, so when the taka work of the ocher board (1), the taka pin (3) is splashed or cracked, and if the mixture content is too high, the product is not produced or cracked easily.

③ Vs = 95% or more, Vc = 5% or less

In addition, if the volume ratio of the vegetable material is too small, less than 5%, the strength is strong, but the voids of the vegetable material are small, so that the taka pin (3) is splashed or cracked during the taka work of the ocher board (1).

division Unit weight (loose) Water content (%) Sifting test Remarks Pure ocher 0.995 g / cm 3 12.9 96% of particles between No.10 and No.200 sieve sawdust 0.155 g / cm 3 10.6 99% of particles between No.20-No.200 sieve Mixed soil 0.959 g / cm 3 12.5 98% of particles between No.10-No.200 sieve

Hereinafter, the proper function ratio and compounding ratio according to the physical test results of the material are as follows.

First, when the natural ocher is collected, the soil component contains water. According to the test results, it was found that the soil had a lot of influence in the process of manufacturing the ocher board.

In other words, if the water content is too small, not only the binding force between the ocher particles and the particles, but also the adhesion force between the additives (vegetable materials) is difficult, making the product difficult. On the contrary, if the water content is too high, the frictional force with the mold due to the water discharge during the production is as described above. It was found that the separation was difficult and the pores were generated by excess moisture in the natural drying process, resulting in cracking.

As shown in the test results, it was found that the proper water content of ocher was 10% to 15%, and the water content of the vegetable material was 8% to 12%.

On the other hand, the ocher board manufactured according to the present invention is mainly intended to have a void in the product to be able to taka work by mixing a certain amount of vegetable material with the main ingredient ocher.

In this way, when the ocher board is manufactured by mixing the amount of the vegetable material powder with the main ingredient of the ocher particles too little, the voids are so small that the taca pins are easily splashed or broken during taka work. It was found that the ocher board was easily cracked or damaged not only during manufacturing but also during construction.The test result showed that the mixing ratio of ocher particles and vegetable materials was 85% ~ 95% of the ocher particles in the skin ratio and 5% ~ 15 of vegetable materials. Most preferred were 850-950 cm 3 vs. 50-150 cm 3 within%.

In addition, Figure 9 is a request for the ocher board of the present invention manufactured by the method as described above to the Korea Testing Laboratory, thickness (mm), mass per unit area (kg / ㎡), moisture content (%) and flexural fracture load (N A copy of the test report) shows that when the loess board manufactured by the method of the present invention has a thickness of 12.8 mm, the mass per unit area has a mass of 16.2 kg / m 2 and the water content is 2.2%) and the flexural failure load is 152 N. It can be seen that.

Although the above-described embodiments have been described with respect to the most preferred embodiments of the present invention, it is not limited to the above embodiments, and it will be apparent to those skilled in the art that various modifications can be made without departing from the technical spirit of the present invention.

As described above, according to the present invention, the natural ocher powder pulverized so that the moisture function ratio is 10-15% and the particle size is no. 10 (2 mm) or less, and the water function ratio is 8-12%, The pulverized vegetable material (sawdust, rice straw or rice husk, etc.) having a particle size of No. 20 (0.85 mm) or less is determined in a specific volume ratio (total volume V = 1,000 cm 3 to yellow soil particles Vs = 850 to 950 cm 3: sawdust powder) Vc = 50 ~ 150cm3), put into mold and compress it at the prescribed pressure to make it into board form. It has high flexibility, high buffering capacity, high porosity, and can be fixed using taka pin. It is strong in tension and compression, and excellent in heat insulation. After manufacture, by attaching paper on the front and back of the board, it can not only prevent foreign matters from adhering during transportation and handling, but also scratches or burnout. In addition, it can prevent damage, and in particular, it is possible to easily apply the beneficial ingredients to the human body possessed by ocher as indoor building material, not only to protect the health of the human body but also to ensure the quality of construction as well as well-being building materials. It is a very useful invention.

Claims (12)

Ocher powder with a particle size of 10-15% or less while being pulverized after being collected in nature, and having a particle size of 10-15%, and a particle size of 20 (0.85) Mm) or less, as well as the moisture content ratio of 8-12% of the vegetable material in the mold by mixing the loess Vs = 850 ~ 950 cm 3 to the total volume V = 1,000 cm 3: vegetable material Vc = 50 ~ 150 cm 3 An ocher board for building interiors, which can be fixed with a ta pin, laid at a predetermined thickness (t1), compressed to a predetermined pressure (P) using a press, and molded into a board having a desired thickness (t2). The method according to claim 1, The vegetable material is any one of sawdust, rice straw or chaff oak board for building interiors can be fixed with takapin. The method according to claim 1, The installation thickness of the mixed material put into the mold (t1) is 25mm, the thickness (t2) of the board after compression is characterized in that the ocher board for building interiors can be fixed with a taka pin. The method according to claim 1, The pressurizing pressure of the press for pressurizing the mixed material installed in the mold is characterized in that 30 ~ 50㎏ / ㎠ ocher board for building interior which can be fixed with taka pin. The method according to claim 1, The ocher board for building interiors, which can be fixed with a taka pin, characterized in that the paper is further attached to the whole or front, rear of the board. In the ocher board manufacturing method for putting the ocher powder in the mold to produce a board form using a press, Pulverizing the loess collected in nature using a pulverizer and then sorting the loess powders of No. 10 (2 mm) or less using a sieve having a particle size of No. 10 (2 mm); A step of drying the ocher powder of No. 10 (2 mm) or less selected above or spraying water molecules thereto to have a water function ratio of 10-15% in the ocher powder; Processing the wood or vegetable material obtained in nature using a grinder to sift through a sieve having a particle size of No. 20 (0.85 mm) to sort out powders of No. 20 (0.85 mm) or less; Forming a water function ratio of the vegetable material powder to 8-12% by drying the powder of the vegetable material of No. 20 (0.85 mm) or less selected above or spraying water molecules thereon; The process of forming the mixed material by putting the obtained ocher powder and the vegetable material into the mixer at a ratio of 850 to 950 cm 3: vegetable material particle volume (Vc) of 50 to 150 cm 3 in total volume (V) of 1,000 cm 3. and; The mixed material formed by mixing in the above is laid in a mold having a predetermined height and a predetermined thickness t1, and compressed to a predetermined pressure P using a press to be molded into a board-shaped board 1 having a desired thickness t2. Process of doing; And placing the board in a well-ventilated shady place and drying it for a predetermined period of time. The method according to claim 6, The method of manufacturing a loess board for building interior, which can be fixed with a taka pin, characterized in that further performing the step of attaching the paper to the whole or the front, back, and the back of the board formed by press compression before the natural drying process. The method according to claim 6, The vegetable material may be any one of rice straw obtained during milling of various sawdust or rice produced during processing of wood, or rice hull obtained after rice milling. Way. The method according to claim 6, When mixing the ocher powder and the vegetable material, the interior condition of the mixer is maintained within 80% of humidity, and the built-in construction capable of fixing with takapin, characterized in that to maintain 15 ± 5 ℃ in a state in which direct sunlight does not enter Method for manufacturing ocher boards for use. The method according to claim 6, The installation thickness t1 of the mixed material placed in the mold is 25 mm, and the compression pressure of the press for pressing the mixed material placed in the mold is 30-50 kg / cm 2 to form the board formed by press compression. Thickness t2 is a manufacturing method of the ocher board for building interior which can be fixed with a taka pin, characterized in that 9mm or 12mm. The method according to claim 6, The width x length of the board is 45 cm x 90 cm and 45 cm x 45 cm, 30 cm x 60 cm and 30 cm x 30 cm of the oak board for building interior that can be fixed with a takapin Manufacturing method. The method according to claim 6, The natural drying period is 3-7 days, characterized in that the oak board for building interiors can be fixed with takapin and its manufacturing method.

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