KR100890524B1 - A manufacturing method for an incombustible loess panel - Google Patents

Abstract

A high intensity non-combustible built in loess panel-manufacturing method is provided to mix paper mulberry tree fiber and loess powder without water in order to manufacture loess panel of high intensity and be quickly dried. A high intensity non-combustible built in loess panel-manufacturing method comprises steps of: drying wet paper mulberry tree fiber; blowing dried paper mulberry tree fiber; agitating and mixing blown paper mulberry tree fiber and loess having water content of 5~25%; putting loess powder mixed with the paper mulberry tree fiber in a mold, compression-molding it and manufacturing it to a panel; and removing fiber tightening material from the wet paper mulberry tree fiber.

Description

A manufacturing method for an incombustible loess panel

The present invention relates to a high-strength non-combustible built-in ocher panel manufacturing method, more specifically, a high-strength non-combustible built-in for providing an environmentally friendly, high-strength and non-flammable panel by mixing the fine mulberry extract fibers (hereinafter referred to as 'duck fibers') in ocher It relates to a method for manufacturing ocher panel.

In general, building interior panels are used to cover the mortar surface of cement or masonry, concrete surfaces, etc., or to provide the effect of insulation or interior decoration. Generally, materials such as synthetic resin, inorganic, and wood are used. I use it.

However, in the case of the building interior materials as described above, the strength is weak, it is a material that burns well, there is a disadvantage that easily exposed to the risk of fire. In particular, in the case of building interior materials using organic resins such as melamine resins and phenol resins as main binders, there is a limit in heat resistance and fire resistance due to the nature of organic matters, and there is a risk of toxic gas generation in case of fire, The building is vulnerable due to the failure to maintain the strength of the plate. In recent years, research on non-combustible interior panels has been actively conducted to prevent smoke or toxic gases from occurring in various fires and to maintain strength at high temperatures to reduce human injury and property loss. It's going on.

Until now, the non-combustible interior panel emphasizes only heat resistance and fire resistance, so it has been used to manufacture interior materials using only inexpensive and high temperature resistant materials such as gypsum, glass fiber, and rock wool, but some of them are carcinogens that have a fatal adverse effect on the human body. Some of them release harmful substances such as volatile organic compounds and formaldehyde, which deteriorate the air quality, making the environment extremely harmful to the human body and causing the onset.It is weak to water, such as condensation and moisture, and easily breeds bacteria and molds. It is easily deformed and has the disadvantage of having to be rebuilt.

Of course, marble, slabs, tiles and the like may use a high-quality interior materials, but they have a disadvantage in that workability and productivity are not good, and expensive purchase cost and construction cost are required. In addition, the above-mentioned interior materials have a significant weight, so that the load on the building is a great burden, the strength of the building cost and fire in the case of strength is low and deformation is difficult to easily support the building.

Therefore, in recent years, various ocher panels using ocher, which is a cheaper, lighter and more easily available mineral, have been developed in response to the trend for eco-friendly life.

In particular, natural ocher is mixed with water to remove particles of a predetermined diameter or more through a vibrating body, as in Patent Application No. 10-2003-0041299, and the ocher solution is selected, and the ocher is added to water to increase viscosity. And the step of aging for a predetermined period of time, the step of stirring / crushing the cotton fiber, nylon yarn and Doc fiber in the ocher prepared in the previous step at a predetermined ratio, and putting the ocher mixed with the cotton fiber into a molding machine in an appropriate size ocher plate. Has been applied for a process of manufacturing the ocher plate and the process of transporting the ocher plate and seating it on a molded plate on which pulp paper is laid, and then drying it naturally. In the case of stirring / crushing the mulberry fibers by adding water to the loess as described above, the mulberry fibers are decomposed by water and mixed well with the liquid ocher. Benefits, but this is the production of high-strength panel can be put into the yellow soil to the mold be prepared by compression in a high-pressure press method is very difficult.

This is because, when there is more moisture in the mold than the ocher powder can accommodate, the moisture pressed by the pressure of the press expands rapidly when the pressure of the press is released.

Therefore, the conventional ocher panel manufactured by mixing liquid ocher and wet mulberry fiber may have high strength because it is well stirred and uniformly mixed due to the characteristics of the mulberry fiber which is soluble in water, but cannot be pressed as described above. In the end, it is forced to dry on the molding plate.

Therefore, it takes a long time to be commercialized, and the ocher panel manufactured in the state of containing a lot of moisture is rapidly dried by high temperature in case of fire, and severe cracks are generated due to rapid shrinkage, which causes the strength as interior materials to decrease. It also has the disadvantage that the function as a nonflammable material is also reduced.

The present invention is to prepare a panel by mixing a thin, tough, light as well as excellent duct fiber with ocher powder, while stirring the doc fiber and ocher powder without using water to produce a high-density ocher panel is possible to dry quickly It is a feature that makes it possible.

Thus, the present invention, unlike the conventional ocher panel manufacturing method using the mulberry fiber was able to stir the ocher powder and the mulberry fiber without using water, thereby enabling the press molding and quick drying, high strength, non-flammable, economic And yet it is a very useful invention that can provide an eco-friendly ocher panel.

The present invention comprises the steps of drying the wet mulberry fiber undergoing a blasting process for the manufacture of high-strength non-combustible clay interior panel, and the step of blending the dried mulberry fiber, and 5-25% of the mixed mulberry fiber Stirring and mixing the ocher powder having a water content, and putting the ocher powder mixed with the mulberry fibers into a mold and pressing the press to form a panel.

In this case, the present invention further includes a step of removing the fiber binding material such as pectin, lignin, etc. from the docile fibers of the wet state after the beating process.

Doc fiber manufacturing method is currently well known, ocher panel manufacturing method using the same is also widely known.

First, the method of manufacturing the mulberry fiber is the first step of processing and refining the treatment of the bark bark with alkali such as caustic soda to remove the outer skin and to obtain only the skin material containing fiber, and the primary processed skin is hypochlorous acid aqueous solution The bleached white skin is immersed in a bleach such as, and the bleached white skin is processed into pulp by a tertiary processing and beating process.

At this time, as an alkali treatment method, by dipping in a caustic soda solution of 10 to 15% by weight and boiling for about 1 to 3 hours, the skin is more flexible, and the fiber binding material, the non-fiber, and the skin (black skin) are removed. Such a process is called self-cooking or increase in the Korean paper industry.

In addition, the pulp process of white paper mulberry should be released by tapping 40 to 50 minutes with bat to loosen the fiber. This process is called confession (叩 解). In addition to beating and beating the raw material directly, the beating device (bitter) can also be used as a method of finely pulverizing the raw material. In the beating process, the beating device is filled with water, and a suitable amount of white skin is added, and it is usually rotated for 3 to 5 hours, preferably 2 to 3 hours.

When the dried Dok fiber is dried as it is, pectin, lignin, etc., which bind the fiber and the fiber, are hardened in a tangled state, which makes the fiber and the fiber tangled very hard. Therefore, it may be desirable to further include the step of removing the fiber binding material such as pectin, lignin, etc., before drying to make the beating fiber more easily mixed.

In the present invention, the method of removing the fiber binding material is a chemical method by removing an alkaline method such as caustic soda, potassium carbonate, sodium carbonate, potassium persulfate or biochemical method of treating with a pectinase such as pectinase. This can be.

The method of chemically treating with caustic soda water is diluted to 20 to 60 times preferably about 40 times water and add caustic soda at a rate of 1 to 10 g / l, preferably about 2.5 g / l at 95 ° C. Heating is carried out for 30 minutes to 4 hours, and if necessary, 0.5 to 2 g / l of metal ion sequestrant, 0.5 to 2 g / l of penetrant and / or refining agent, and 1 to 10 g / l of potassium persulfate can be added.

In the biochemical treatment method, the mulberry fiber is diluted with 20 to 60 times preferably about 40 times water, and 0.1 to 10 g / L of pectinase is preferably added at a ratio of about 1 g / L and the pH of the treatment solution is slightly acidic. After adjusting for 1 hour to 3 hours at 50 to 70 ℃, and then treated for 10 minutes at 95 ℃ or more to remove the activity of the enzyme, it is possible to dehydrate, washed several times with hot and cold water.

At this time, the dispersant may be added to the pectinase at a ratio of 0.5 to 2 g / l and a commercial starch enzyme 5 to 10 g / l.

Like this, the duct fiber from which the fiber binding material is removed does not become hard even when it is dried, and thus the blend surface becomes easy, and it is finely mixed with the ocher powder and uniformly mixed.

The ocher for mixing with the mulberry fiber should be in a powder state to facilitate stirring, and the water content should be maintained at 5-25%.

When the moisture content is mixed with the mulberry fiber and the ocher powder, and put into a mold and pressurized by a press to form a panel, the moisture content may be sufficient to allow binding of the mulberry fiber and the ocher powder, the ocher powder and the ocher powder. , Moisture content below 5% is difficult to bind, and moisture content above 25% becomes more than acceptable for ocher powders, and when pressurized by press, the pressed water rapidly expands as soon as the press pressure is released. The most preferable water content is 5 to 25% because is broken.

At this time, the mixing ratio of the mulberry fiber and ocher powder is preferably 20 to 50% by weight of the mulberry fiber and 50 to 80% by weight ocher powder. This is because if the fiber is less than 20% by weight, there is a concern that the quality of the product may be deteriorated due to the weakening of the cohesion with ocher powder.

 The ocher powder may be added with lava component (songstone), mica stone, diatomaceous earth, etc. in order to add variety to the characteristics of the product, wherein the addition amount of the lava component (songstone), mica stone, diatomaceous earth, or It is preferable to occupy 5 to 10% by weight of the total weight ratio of ocher in a mixed state. At this time, less than 5% by weight is difficult to expect a change in the characteristics of the product due to the additive, because more than 10% by weight of the ocher reduced the functional effect of the ocher due to the reduction of the amount of ocher.

The lava stone powder is generated as the lava (지하) of the underground is ejected to the surface by the volcanic eruption, natural components calculated from magma of 1600 ℃ or more and rich in silica (SiO ₂ ) and alumina (Al ₂ O ₃ ) components It contains a large amount of rare earth elements such as Ti, Ce, and micronized to express the strength (short-term strength, long-term strength) of cement or higher, and because a large amount of crystalline compounds exist, it has considerable bonding strength when hydrated and hardened. It has a lot of fine pores and good sound absorption effect, bad smell and bacteria collection, and the far infrared emission curve has the best far-infrared emissivity at 8 ~ 14 μm, which is beneficial to the living body. It is a very useful material for the construction of building structures that can be beneficial and promote health.

Mica is one of the bitumen minerals, and it is also very useful as a material for building interior materials because it has good far-infrared emissivity.

Diatomaceous earth is a collection of sediments composed of floating algae shells called diatome with an average size of 50 to 100 micrometers. Because of the primary and secondary pores, diatomaceous earth has a very low density, which can reduce the sound absorption and the weight of the panel when used in the panel of the present invention.

Claims (2)

Drying the dried mulberry fiber in the wet state after the beating process of the known mulberry fiber manufacturing process, the step of blending the dried mulberry fiber, the ocher powder having a water content of 5 to 25% with the blended mulberry fiber The method of manufacturing a high-strength non-combustible interior ocher panel characterized in that the step of mixing by stirring, and the ocher powder mixed with the mulberry fibers into a mold and compression molding by a press to produce a panel. The method of claim 1, wherein the method further comprises removing the fiber binding material from the wet fibrous fiber after the beating process.