KR101525023B1 - A pottery manufacture method - Google Patents

Abstract

The present invention relates to a method to manufacture pottery using kaolin using a main material, capable of greatly decreasing a defective rate such as cracks or the like by increasing the bonding strength by using kaolin as a main material. A desirable embodiment of the present invention comprises: (a) a grinding step of grinding 15-25 parts by weight of loess, 35-45 parts by weight of white clay, and 35-45 parts by weight of clay into powder with respect to 100 parts by weight of kaolin; (b) a mixing step of mixing the ground powder; (c) a ripening step of ripening the mixed soil mixed in the step (b); (d) a molding and shaping step of molding and shaping the mixed soil; (e) a drying step of drying a container which has been molded and shaped; (f) a primary quality test step of screening a defective product in the drying step (e); (g) a primary calcination step of thermally processing at 900°C for 8 hours; (h) a secondary quality test step of screening a defective product generated in the primary calcination step (g); (i) a glaze treatment step of applying a glaze on the surface of the container; (j) a secondary calcination step of thermally processing the glazed container at 1200°C for 12 hours; (k) a final quality test step of testing for the appearance and strength; and (l) a packaging and shipment step.

Description

A POTTERY MANUFACTURE METHOD BACKGROUND OF THE INVENTION 1. Field of the Invention [0001]

More particularly, the present invention relates to a method for manufacturing a magnetic material based on kaolin, and more particularly, to a method for manufacturing a magnetic material using kaolin, loess, clay and clay which emit far-infrared rays and anions, It is possible to extend the storage period and to store the various foods in the room temperature region in the living room to bring about a storage effect and to increase the binding force based on kaolin so that cracks And the like, which can significantly reduce the defective ratio of the kaolin.

In general, in order to eat food stably and hygienically over a long period of time, proper methods of processing food and storing food have been required.

The method of processing such food and the method of storing food are considerably different according to the food group in which the action of respiration, enzymes and microorganisms such as fruit vegetables are actively actuated and the fermented food group in which the metabolism of microorganisms is active.

In general, storage of food is inhibited by microorganisms and enzymes which cause deterioration and decay. Refrigeration, room temperature storage, and gas storage are the most commonly used methods. .

However, since the refrigeration method does not sufficiently inhibit the growth of microorganisms, the respiration of fruits and vegetables, and the attack of enzymes, food deterioration due to food spoilage, enzymes, and respiration due to the proliferation of microorganisms Respectively.

Therefore, studies are under way to eliminate the threats to the stability of stored foods. In particular, biological methods, chemical methods for treating specific medicines, and storage of far infrared rays, And physical methods to make them active. Recently, in Japan, it has been reported that application of ceramics to a far-infrared lamp to inhibit the propagation of microorganisms and to inhibit the enzymatic action in the food, thereby increasing the shelf life and aging effect of the food. have.

In addition, the use of a radiator that emits far-infrared rays has been recognized as effective in storing food, and food containers manufactured by special processing of a far-infrared ray radiator into a synthetic resin material, which is a chemical product, are commercially available. However, It is true.

Accordingly, there has not been developed a container that can prevent the food from deteriorating and decaying in the long-term storage of foods.

In addition, the living vessels that we are currently using have been made from primitive earthenware to self-contained containers, and their use has continued to increase due to their elegance and excellence in their strengths. However, It can be seen that it is being developed as a container for functions only.

In the modern era, the awareness of health and hygiene has been greatly increased as the standard of living has improved with the help of high growth, and the use of living beings has been rapidly increasing as a means of hygienic ingestion of food, It is showing.

As the demand for living is rapidly increasing, the need for scientific research on living things has also increased.

In particular, there has been a growing interest in containers for storing food as a means for long-term hygienic and safe ingestion of food, and foods and beverages, such as fruit and vegetables, which undergo enzymatic and microbial action, The effects on the causative microorganisms and enzyme action are different.

As a result of applying the recently made self made porcelain to food, it is possible to reduce the content of free water by strengthening the binding force of water contained in the food, thereby inhibiting the growth of microorganisms and inhibiting the enzyme action, The effect of the far-infrared radiation ceramics has been increasing.

Therefore, since traditional foods of Korea are mainly fermented foods, they are likely to be deteriorated. Therefore, utilization of living materials, which are far infrared ray emitters, has attracted attention as a most suitable container for maintaining the food, and researches on them have been actively conducted, The development of a self-made living container suitable for the public health has been a problem to be contributed to the public health.

As a background of the present invention, there is a patent registration No. 0242212 entitled " Life magnetic container using loess and its manufacturing method "(Patent Document 1). In the above-mentioned background art, "a drying process in which yellow loess that emits far-infrared rays is forcedly dried by a natural dryer or a dryer, a milling process in which the loess dried by the drying process is pulverized into a powder having a size of 250 mesh by a pulverizer, A mixing process of blending 60% by weight of ground loess powder by pulverization process, 35% by weight of kaolin and 5% by weight of bentonite by a blending machine, a maturing process of aging the blended matte for 10 days by the blending process, A glaze process of aging a container made of aged dough according to an aging process at a temperature of 750 degrees centigrade, a cooling process of cooling the glaze container at room temperature for 48 hours, and a cooling glaze And a firing step of firing the glaze-coated container at a temperature of 1250 to 1300 DEG C for 24 hours in the kiln And a cooling step of cooling the magnetic container formed by firing according to the firing process at room temperature for 48 hours.

However, the above-mentioned background art uses living ovens that emit far-infrared rays to manufacture life magnets and uses them as storage containers for foods, thereby prolonging the storage period of foods, and at the same time, storing various foods in these living containers in a room temperature region However, there is a problem in that the bonding force is decreased in the manufacturing step, and a defect rate such as cracks, which may occur in the manufacturing process such as drying and firing, is generated.

Patent Registration No. 0242212 entitled " Life magnetic container using loess and its manufacturing method "

Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a method for manufacturing a living animal by using kaolin, loess, clay, and clay which emit far infrared rays and anions, It is possible to store various foods in these living containers in a room temperature region to bring about a storage effect. By increasing the binding force based on kaolin, it is possible to drastically reduce the defective rate of cracks or the like which may occur in the manufacturing process such as drying and firing The present invention has been made in view of the above problems.

(A) a step of pulverizing 15 to 25 parts by weight of loess, 35 to 45 parts by weight of clay and 35 to 45 parts by weight of clay into powder, based on 100 parts by weight of kaolin; (b) mixing the ground kaolin, loess, clay and clay into a mixer; (c) aging the mixed soil in step (b); (d) a molding and shaping step of shaping the mixed soil according to a basic standard after the completion of aging, treating the worn and rough surface to form a shape; (e) a drying step of drying the molded and shaped container in a shade not exposed to sunlight for 6 to 8 days; (f) (e) a first quality inspection step of selecting defective products in the drying step; (g) a first calcination step of heat-treating at 900 DEG C for 8 hours; (h) a second quality inspection step of (g) selecting defective products generated in the first firing step after cooling at room temperature for 2 to 3 days; (i) a glaze treatment step of glazing the surface of the container; (j) baking the glazed container at 1200 DEG C for 12 hours in a secondary firing step; (k) a final quality inspection step for examining appearance and strength; (1) packaging and dispensing steps after final quality inspection is completed.

Further, in the step (a), it is desirable to provide a self-manufacturing method characterized by pulverizing to 200-300 mesh.

Further, it is intended to provide a magnetic manufacturing method characterized in that after step (g) or (j), a letter or / and a figure is drawn on the surface.

Further, in the step (j), when a letter or / and a figure is drawn on the surface, a third firing step of firing at 800 to 1500 ° C for 10 to 15 hours is further provided do.

The self-manufacturing method based on the kaolin of the present invention is a method of manufacturing a daily magnet using kaolin, loess, clay and clay which emit far-infrared rays and anions, and is used as a storage container for foods, It is possible to store various foods in the living container in the room temperature region to bring about the storage effect and to increase the binding force based on kaolin so as to drastically reduce the defective rate of cracks and the like which may occur in the manufacturing process such as drying and firing There is a very useful effect.

BRIEF DESCRIPTION OF THE DRAWINGS The present invention will be described in detail with reference to the embodiments shown in the accompanying drawings, but the present invention is not limited thereto.

 Hereinafter, the technical structure of the present invention will be described in detail with reference to the preferred embodiments.

The method for manufacturing magnetic material based on kaolin of the present invention is a method for manufacturing a magnetic material by using kaolin, loess, clay and clay, which emit far-infrared rays and anions, and is used as a storage container for food, It is possible to store various foods in these living containers in a room temperature region to bring about a storage effect. By increasing the binding force based on kaolin, it is possible to drastically reduce the defective rate of cracks or the like which may occur in the manufacturing process such as drying and firing .

(A) a step of pulverizing 15 to 25 parts by weight of loess, 35 to 45 parts by weight of clay and 35 to 45 parts by weight of clay into powder, based on 100 parts by weight of kaolin; (b) mixing the ground kaolin, loess, clay and clay into a mixer; (c) aging the mixed soil in step (b); (d) a molding and shaping step of shaping the mixed soil according to a basic standard after the completion of aging, treating the worn and rough surface to form a shape; (e) a drying step of drying the molded and shaped container in a shade not exposed to sunlight for 6 to 8 days; (f) (e) a first quality inspection step of selecting defective products in the drying step; (g) a first calcination step of heat-treating at 900 DEG C for 8 hours; (h) a second quality inspection step of (g) selecting defective products generated in the first firing step after cooling at room temperature for 2 to 3 days; (i) a glaze treatment step of glazing the surface of the container; (j) baking the glazed container at 1200 DEG C for 12 hours in a secondary firing step; (k) a final quality inspection step for examining appearance and strength; (l) After the final quality inspection is completed, packaging and dispatching steps are included.

Hereinafter, the present invention will be described in detail according to the manufacturing steps.

First, 15 to 25 parts by weight of loess, 35 to 45 parts by weight of clay and 35 to 45 parts by weight of clay are pulverized into powders (a), based on 100 parts by weight of kaolin.

Kaolin, loess, clay and clay are dried by natural drying or forced drying by a dryer before crushing. Kaolin, loess, clay and clay are sampled and sieved to remove impurities and precipitated in water to dry the precipitate in the shade It may be pulverized.

This is to ensure that the quantities of the respective components can be mixed to maintain uniform quality and to facilitate grinding.

By using the kaolin, loess, clay and clay as a storage container for food, it is possible to extend the storage period of food and to store various foods in the room temperature region in order to obtain a storage effect And it is possible to increase the bonding force based on kaolin so as to drastically reduce the defective rate of cracks or the like which may occur during the manufacturing process of drying,

Kaolin (kaolin) is also called kaolin, kaolin, white clay (china clay). The main component is kaolinite Al ₂ O ₃ · 2SiO ₂ · 2H ₂ O and halo-site Al ₂ O ₃ SiO ₂ .4H ₂ O. Feldspathic rocks such as feldspar, quartzite, soda feldspar, and feldspar are chemically decomposed by carbonic acid or water. A thick layer of several meters thick is formed on the rock of the original earth soil and develops. It is used as a raw material for ceramics, and it is called agaric because it was produced in Gao Ling of China. Good quality kaolin does not contain iron, so it is soft and light colored and suitable for making a thin bowl. In Korea, it is often called white soil, and it produces a lot of white clay in the Hadong region of Gyeongnam Province.

It is distributed in Jeonnam, and it is distributed in Gyeonggi and Gangwon areas and in Pyeong Nam, Hambuk, Hamnam, Hwangbuk, and Hwangnam. Some are pure white and gray, but when cooked at high temperatures they become white. This was used as a white porcelain to become a high-quality Korean porcelain. The tattoo was made of white clay on the surface of a black-and-white porcelain shaker and made a white porcelain shade of white. This was also used for the white inlays of the celadon inlaid porcelain. This kaolin is also used as a main raw material for modern ceramics which desire pure pure white, and Hadong white clay is also exported to Japan which is a pottery producing country.

15 to 25 parts by weight of loess is mixed with 100 parts by weight of kaolin.

Hwangto is a natural soil composed of silica and soil containing hydrous iron oxide and anhydrous iron oxide. When it is mixed below 15 parts by weight, the far-infrared ray emission effect by the yellow loam is not exhibited. When it is mixed by more than 25 parts by weight The bonding force is weakened during the molding of the magnetic material, and the probability that a defective product appears is increased. Therefore, it is preferable to mix 15 to 25 parts by weight of loess with 100 parts by weight of kaolin.

35 to 45 parts by weight of clay is mixed with 100 parts by weight of kaolin.

Terra alba (white soil) is also called white shark, white clay and white clay used to make pottery. Main ingredients are kaolinite and halloysite. When you look at the records of Donguibogam, it is also used as a medicinal material, but it is recorded that when you eat clay for long time, you are injured and your body is dry. In addition, there are some whitish and a little gray, but they become white when baked at high temperature. The first clay is divided into the first clay and the second clay. The first clay has a poor whiteness after sintering, but the second clay has good whiteness after sintering. The main raw materials are kaolinite and halloysite, and in Korea, it is used mostly in Onyang, Asan, Gwangju, Pocheon, Yanggu. Depending on the province, it is sometimes referred to as Mukbara, Baibora, Manto.

Therefore, when the content is less than 35 parts by weight, the self-color becomes too dark. When the content exceeds 45 parts by weight, the self-color becomes too bright. Thus, 35 to 45 parts by weight of clay is mixed based on 100 parts by weight of kaolin .

The clay is preferably mixed with 5 to 45 parts by weight based on 100 parts by weight of kaolin.

When clay is weathered and decomposed, clay minerals are formed mainly by combining silicon and aluminum with water. Clay minerals have the same structure as mica, but some have a two-layer structure or a three-layer structure. The former is kaolin, the latter is montmorillonite and ilite, and water, potassium, iron, and magnesium enter into the layers to form various clay minerals. Quartz All other minerals except SiO2 are decomposed into clay minerals.

The clay is mixed to maintain the strength and strength of the self-adhesive. When the mixing is less than 5 parts by weight, the effect is not exhibited. When the mixing exceeds 45 parts by weight, the moldability is decreased and the defective rate is increased during the drying process.

Clay is the most active part of the soil with humus (humus) and has strong water and nutrient retention because it has a much larger surface area per unit weight than sand or silt. Soil with high clay content is called clay soil.

After the crushing in step (a), the crushed kaolin, loess, clay and clay are added to the agitator and mixed (b).

The pulverization is carried out in a pulverizer and pulverized. The size of the pulverized particles by the pulverizer is preferably 200 to 300 mesh. When crushed to less than 200 mesh, the surface is not smooth when the particles are thick and self-formed, and if crushed by more than 300 mesh,

Thereafter, the mixed soil is aged in step (b) (c).

The aging of the mixed soil is naturally dried in the shade where the sunlight is not shined by kneading, and it is preferably dried for 40 to 52 hours.

Thus, the reason why it is aged by drying in the shade where the sunlight does not shine is to decompose and decompose the minute organic matter in the mixed soil to increase the viscosity and plasticity of the mixed soil.

If it is dried for less than 40 hours, it is difficult to form due to insufficient drying, and if it is dried for more than 52 hours, it is too dry for molding, so it is preferable to dry for about 40 to 52 hours.

After the aging of the mixed soil is completed, the mixture is shaped in accordance with the basic specifications, and the worn and rough surface is processed to form (d).

The molding is carried out by molding the mixture soil in which the dough and the drying are completed in accordance with the basic standard such as the use and size of the necessary magnetic material, and correcting the scratches and the like after the molding is completed.

Afterwards, the molded and shaped containers are dried in a shade without sunshine for 6 to 8 days (e).

The containers that have undergone molding and shaping steps should be dried in the shade for 6 to 8 days, since they may deform due to the internal water expansion due to rapid temperature changes during firing. If it is dried for less than 6 days, it will not dry properly and it contains a lot of water inside. If it is dried for more than 8 days, cracks may occur on the surface of the container.

Thereafter, (e) a first quality inspection is carried out to select defective products in the drying step (f).

Reduce the percentage of defects to the maximum at the time of drying, but eliminate any defects that may not be detected or may occur during drying.

Thereafter, the first calcination is performed by heat treatment at 900 DEG C for 8 hours (g).

The first firing is heat treatment at 900 ° C. for 8 hours. If the heat treatment is performed at a temperature of less than 900 ° C., it is impossible to maintain the strength and uniform quality. If the heat treatment is performed at a temperature exceeding 900 ° C., cracks may occur.

Thereafter, (g) a second quality inspection is performed to select defective products generated in the first firing step (h).

After the first firing step, it is cooled at room temperature for 2 ~ 3 days, and defective products generated in the first firing step such as color defect and crack are selectively removed.

Then, the surface of the selected vessel which has completed the first firing is glazed (i).

A variety of known products can be used as glaze,

Glaze can be used by mixing the inorganic materials such as kaolin, rotten wood, white clay loam and bentonite in appropriate ratio by using only the above clear lye by pouring the rotten wood and pouring the water and precipitating it for 5 ~ 12 hours.

Thereafter, the glazed container is subjected to secondary baking at 1200 ° C. for 12 hours (j).

The secondary firing adds strength to the glazed container and allows the glaze to properly ignite on the surface of the container. The secondary firing is performed so as to increase the strength of the container by allowing the firing to be performed at a temperature higher than the temperature of the first firing.

The second firing is done by putting the above glaze-treated glaze into the glaze without drying it. At first, when the glaze door is opened, the glaze door is closed when the glaze water is dried after a certain time And heat it. This is because when the air is not completely dried and moisture is present, the air is changed into steam to increase the volume, thereby preventing the appliance from being broken, but also reducing the drying time and glaze drying time.

Further, after the second firing, the furnace is gradually closed in a state in which the furnace is closed at a time twice as long as the time to ignite by applying the heat, thereby preventing the furnace from being damaged by a sudden temperature change, The strength can be increased.

Thereafter, a final quality inspection is carried out to check the appearance and strength to remove defective products that may occur in the secondary firing (k).

After completion of the final quality inspection, packaging and delivery are completed (l).

and / or a picture may be drawn on the surface after the step (g) or (j), and when the text or / and the picture is drawn on the surface in the step (j) And a third sintering step for sintering for about 15 hours.

According to the test report of the Korea Institute of Construction Materials, the magnetic property of the magnetic material based on the kaolin of the present invention is as shown in the following table, indicating that a large amount of far-infrared rays are emitted.

Test Items Test result Test Methods Far-infrared ray emission amount
(40 DEG C) Emissivity (5 to 20 탆) 0.889
KICM-FIR-1005 Radiant energy (W / ㎡) 3.58 x 10 ²

In addition, the clay which is a raw material of the magnetic material based on the kaolin of the present invention has a far infrared ray of 0.928, an anion of 180 ions / cc, and a far infrared ray emissivity of 0.85 to 0.95 of kaolin, .

When far infrared rays are absorbed into the human body, they act on all cells in the body and promote the metabolism and suppress the cholesterol by the heat effect and cell activation. In particular, it is known to be able to preserve food for a long time by keeping the freshness of the food long and preventing the drying of the food by inhibiting bacterial infiltration.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art in light of the above teachings. will be. The invention is not limited by these variations and modifications, but is limited only by the claims appended hereto.

Claims (4)

(a) a step of pulverizing 15 to 25 parts by weight of loess, 35 to 45 parts by weight of clay and 35 to 45 parts by weight of clay into powder, based on 100 parts by weight of kaolin;
(b) mixing the ground kaolin, loess, clay and clay into a mixer;
(c) aging the mixed soil in step (b);
(d) a molding and shaping step of shaping the mixed soil according to a basic standard after the aging is completed, treating the worn and rough surface to shape, and the like;
(e) a drying step of drying the molded and shaped container in a shade not exposed to sunlight for 6 to 8 days;
(f) (e) a first quality inspection step of selecting defective products in the drying step;
(g) a first calcination step of heat-treating at 900 DEG C for 8 hours;
(h) a second quality inspection step of (g) selecting defective products generated in the first firing step after cooling at room temperature for 2 to 3 days;
(i) a glaze treatment step of glazing the surface of the container;
(j) baking the glazed container at 1200 DEG C for 12 hours in a secondary firing step;
(k) a final quality inspection step for examining appearance and strength;
(l) packaging and dispensing steps after the final quality inspection is completed. The method according to claim 1,
wherein, in the step (a), the pulverization is pulverized to 200 to 300 mesh. The method according to claim 1,
After step (g) or step (j)
And drawing a letter or / and a picture on the surface. delete