KR101196541B1 - Method for manufacturing yellow earth brick - Google Patents

Abstract

The present invention relates to an ocher brick and a method of manufacturing the same, in particular ocher brick is 85 to 90% by weight ocher powder, 4 to 6% by weight calcium carbonate, 2 to 4% by weight quicklime, 2 to 4% by weight ceramic and natural salt 1 The mixture composed of ~ 2% by weight is mixed with water and then compressed to produce a high strength and inhibit the occurrence of cracks and maximize the efficacy of the loess.

Description

Manufacturing method of ocher bricks {METHOD FOR MANUFACTURING YELLOW EARTH BRICK}

The present invention relates to a method for producing ocher bricks, and more particularly, to a method for producing ocher bricks, which can realize high strength and realize beneficial effects of ocher without cracking.

As the use of cement as a main raw material and the use of interior and exterior building materials processed with chemicals to meet the demands of consumers who want beautiful interior decoration, various harmful substances are generated from buildings, and sick house syndrome is also induced. This is known.

In particular, cement is difficult to recycle, and harmful substances such as formaldehyde, nickel, radon, and chromium contained therein may cause fatal harm to the human body. In particular, chromium penetrates directly into the skin of the human body instead of the respiratory organs, thereby causing diseases such as skin cancer. It has been found to be a heavy metal that can cause the most fatal harm. Therefore, environmentally friendly building construction materials and interior and exterior materials are required. In response to this demand, loess, which is an environmentally friendly building material, has recently attracted attention.

In general, ocher is distributed throughout the country, emits far-infrared rays, which is beneficial to the human body, to facilitate the body rhythm, save energy by the heat storage effect and prevent the habitat of harmful insects such as cockroaches and excellent humidity control function It is used as an ideal building material by creating a comfortable residential space.

In addition, ocher radiates the far-infrared rays, which are beneficial to the human body, so that the radiated far-infrared rays are absorbed by the human body. It is already widely known that it is effective in preventing various adult diseases.

Therefore, when bricks made of ocher are used in buildings, it promotes blood circulation by far infrared rays, detoxification by microorganisms and enzymes, and prevents indoor odors and molds, and dehumidification and antibacterial activity. It provides a pleasant living environment, has a neutralizing effect of cement toxins, excellent soundproofing effect and heat energy saving effect (heat storage) and transforms living space into life space.

However, the conventional ocher brick has a low strength, so that the surface is cracked or dropped, there is a problem that generates persistent dust and debris.

In addition, in the conventional ocher brick manufacturing process, many microorganisms contained in ocher are removed because high heat is applied to form bricks, and thus, there is a problem in that the ocher bricks cannot sufficiently realize the beneficial effect.

The present invention has been made in order to solve the above problems of the prior art, by embodying the microorganisms contained in the loess as it is, while embodying the beneficial effect of the loess as it is while embodying high strength and can suppress the occurrence of cracks Its purpose is to provide a method of making bricks.

The ocher brick according to the present invention for solving the above problems is 85 to 90% by weight of ocher powder, 4 to 6% by weight of calcium carbonate, 2 to 4% by weight of quicklime, 2 to 4% by weight of ceramic and 1 to 2% by weight of natural salt The mixture consisting of% is mixed with water and pressed into bricks. Here, the ocher brick is formed with a plurality of through holes in the vertical direction.

In addition, the ocher brick manufacturing method according to the present invention comprises the ocher powder screening step of obtaining the ocher powder by grinding and screening the ocher; 85 to 90% by weight of ocher powder, 4 to 6% by weight of calcium carbonate, 2 to 4% by weight of quicklime, 2 to 4% by weight of ceramic and 1 to 2% by weight of natural salt, followed by stirring to form a mixture Wow; Putting a 150 m underground rock water into the mixer and stirring the mixture to form a dough mixture; A molding step of compressing the dough mixture prepared in the kneading step into a molding machine to form a brick of a desired shape; A low temperature aging step of aging the brick made in the molding step at a temperature of 40 to 50 ° C. for 10 to 15 hours; It consists of a drying step of removing moisture by naturally drying the low-temperature aging brick.

The ocher brick of the present invention configured as described above can contain the loess as the main material to express the beneficial effect of the loess, as well as to realize the strength and hardness comparable to the brick made of cement including calcium carbonate, quicklime and ceramics. There is an advantage to this.

In addition, there is an advantage that can suppress the occurrence of insects or odor including natural salt.

In addition, by forming a plurality of holes in the ocher brick has the advantage of maximizing the insulation, insulation, sound insulation, strength, humidity control effect.

In addition, when the ocher brick is manufactured by undergoing a low temperature aging step of aging at a temperature of 40 to 50 ° C. for 10 to 15 hours, there is an advantage of preventing the occurrence of cracks in the brick by preventing the rapid deformation of the ocher brick.

1 is a perspective view showing a state of the ocher brick according to the present invention.
Figure 2 is a flow chart showing a loess brick manufacturing method according to the present invention.
Figure 3a to Figure 3e is a test report of loess bricks according to the present invention.

Hereinafter, an embodiment of an ocher brick and a method of manufacturing the same according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing the state of the ocher brick according to the present invention, Figure 2 is a flow chart showing the ocher brick manufacturing method according to the present invention, Figures 3a to 3e is a test report of the ocher brick according to the present invention.

The ocher brick according to the present invention has water in a mixture consisting of 85 to 90% by weight of ocher powder, 4 to 6% by weight of calcium carbonate, 2 to 4% by weight of quicklime, 2 to 4% by weight of ceramic and 1 to 2% by weight of natural salt. After mixing / stirring, it is pressed into a brick and manufactured.

Here, the ocher brick is formed in a plurality of, in more detail three through holes 10 in the vertical direction at regular intervals.

When the through-holes 10 are formed in the ocher bricks, the surface area of the bricks is increased, and the humidity control effect is improved. In addition, the heat insulation effect and the thermal insulation effect is improved, the strength of the brick is improved, and the drying time is faster when drying to remove moisture during the manufacture of ocher brick.

Here, the brief description of each of the components constituting the ocher brick according to the present invention, the ocher is composed of silica, alumina, iron, magnesium, sodium, etc., mainly composed of 0.05-0.01mm silt particles of yellow It is a mineral (loses). The efficacy of such ocher is to remove the poison of the human body is used as an antidote, antidote. It is known to be effective in preventing various aging diseases such as anti-aging and chronic fatigue by activating metabolism and blood circulation by radiating far infrared rays, preventing indoor odor, preventing mold, and maintaining the most appropriate temperature to maintain body temperature. It provides a comfortable living environment by keeping moisture.

The calcium carbonate is a white material produced by the meeting of carbonate and calcium ions, providing viscosity so that the yellow brick is not easily broken and suppresses the occurrence of cracks.

The quicklime is filled in the gaps between the ocher powders to reduce the occurrence of cracks in the ocher bricks due to dry shrinkage, to exhibit a waterproof effect, and to realize fast hardness and high strength.

The ceramic has a high hardness and at the same time have a lot of pores, not only to increase the overall hardness, but also to control the humidity and absorb odors.

The natural salt prevents odors and prevents the occurrence of insects such as insects and fungi.

The ocher brick manufacturing method for manufacturing the ocher brick as described above is the sorting step (S10), mixing step (S20), kneading step (S30), forming step (S40), low temperature aging step (S50) and drying It consists of step S60.

The sorting step (S10) is a process of obtaining the ocher powder having a desired particle size by pulverizing and screening a plurality of times by passing through the one or more grinders and the sorter in the natural state.

The mixing step (S20) after the 85 to 90% by weight of ocher powder, 4 to 6% by weight of calcium carbonate, 2 to 4% by weight of quicklime, 2 to 4% by weight of ceramic and 1 to 2% by weight of natural salt It is the process of making a mixture by stirring.

The kneading step (S30) is a process of making a dough-like dough mixture by adding water to a blender containing a mixture of the ocher powder, calcium carbonate, quicklime, ceramic and natural salt.

At this time, the water injected into the blender uses a 150m underground rock water. The reason for using rock water in the deep underground is to make the most beneficial effect of loess by making clean water such as rock water have a positive effect on microorganisms contained in loess.

The forming step (S40) is a process of pressing the dough mixture prepared in the kneading step (S30) with a hydraulic press of the molding machine to make a brick of a desired shape. When forming the shape of the brick in the forming step (S40) to form a plurality of through holes 10 in the vertical direction in the central portion of the brick.

The low temperature aging step (S50) is a process of aging for 10 to 15 hours at a temperature of 40 ~ 50 ℃ by moving the brick made in the forming step (S40) to a drying plant. The reason for this low temperature aging is to prevent this by drying the bricks at too high a temperature and forming water or cracks as the water introduced when making the dough mixture evaporates. Thus, the brick shape as a whole can also prevent deformation. And, another reason for low temperature aging is to maximize the efficacy of the loess by activating a number of microorganisms contained in the loess.

The drying step (S60) is a process of natural drying by allowing the sunlight to shine low-temperature aging brick. Through the drying step (S60) to remove the moisture remaining in the brick.

The present invention does not roast in order to produce ocher bricks as described above. The reason for making ocher bricks without roasting is to allow the microorganisms contained in the ocher to remain alive so that they can fully express the efficacy of the ocher.

The yellow clay brick manufactured according to the above method was commissioned by the Korea Institute of Construction Materials and Korea Institute of Construction and Environmental Testing. The result of 0.920 was obtained in the far-infrared emissivity test by the KICM-FIR-1005; 2006 test method. In the far-infrared radiation energy test, the result of 3.71 ㅧ 10 ㅂ W / m ㅂ was obtained.

In the compressive strength test by the KS L 4201; 2008 test method, three samples obtained 15, 13, and 14 N / mm ㅂ, respectively, and 0.293 W / (mK) in the thermal conductivity test by the KS L 9016; 2005 test method. ), And the deodorization rate (50.3 → 69.8 → 79.3 → 84.3) increased with time in the deodorization rate experiment by KICM-FIR-1085; 2010 test method.

In addition, in the antimicrobial test by the KICM-FIR-1002; 2009 test method, bacterial reduction rate data of 2.2% for E. coli and 2.1% for Pseudomonas aeruginosa were obtained.

10: through-hole
S10: ocher powder selection step S20: mixing step
S30: kneading step S40: molding step
S50: low temperature aging step S60: drying step

Claims (4)

delete delete Ocher powder selection step (S10) of pulverizing and selecting the ocher to obtain the ocher powder;
85 to 90% by weight of ocher powder, 4 to 6% by weight of calcium carbonate, 2 to 4% by weight of quicklime, 2 to 4% by weight of ceramic and 1 to 2% by weight of natural salt, followed by stirring to form a mixture (S20);
Adding a water to the blender and stirring the mixture to form a dough mixture (S30);
Forming step (S40) of making a brick of the desired shape by pressing the dough mixture prepared in the dough step (S30) with a molding machine;
A low temperature aging step (S50) of aging the brick made in the forming step (S40) for 10 to 15 hours at a temperature of 40 ~ 50 ℃;
The ocher brick manufacturing method, characterized in that consisting of; drying step (S60) to remove moisture by naturally drying the low-temperature aging brick.
The method according to claim 3,
The ocher brick manufacturing method, characterized in that the water is introduced in the kneading step (S30) is 150m underground rock water.

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