KR20060099893A - Pannel - Google Patents

Abstract

The present invention relates to a foamed molding product made of foamed pearl rock, foamed vermiculite and other foamed ceramics produced using soda silicate cement as a binder,

The foamed pearl cancer particles, foamed vermiculite particles and other foamed ceramic particles alone or in combination,

It is mixed with sodium silicate cement, and a foamed molded product is prepared by mixing at least one of steel fiber, fiber grind, paper grind, glass wool and cotton as a reinforcing material.

By forming a hollow part in the foamed molded article, the weight of the foamed molded article is reduced, and the ultra-light ceramic foam molding manufactured to enhance sound insulation and heat insulation.

Sodium Silicate, Foam Pearl Rock, Foam Vermiculite, Sodium Silicate Cement, Sandwich Panel, Building Interior Material, Non-combustible Panel, Lightweight Building Material, Soundproof Material, Insulation Material, Fireproof Door

Description

Ceramic foam molding made by using sodium silicate cement having hollow part inside as binder and manufacturing method thereof {pannel}

 1 is a cross-sectional view of a hollow part of a foamed molding according to the present invention.

The present invention relates to a ceramic foam molding which is a construction and industrial material used in various industrial fields requiring properties such as light weight, sound insulation, water resistance, heat insulation, shock absorption, non-flammability, pollution-free,

In order to reinforce the durability of ceramic foamed molding manufactured using basic sodium silicate cement as binder

Manufactured by mixing the reinforcement with the raw material,

By forming the hollow part in the foamed molded product produced by mixing the reinforcing material,

It is an idea of the content for improving the durability, heat insulation, sound insulation, etc. of a foamed molding.

In the existing ceramic foam moldings manufactured using various kinds of ceramic foam moldings and sodium silicate cement as a binder,

Is caused when the foamed molding is made of rectangular and thin foamed molding

Disadvantages of strength and durability,

Due to excessive weight exceeding the required properties of the foamed molding,

The disadvantages of increase of distribution cost, increase of manufacturing cost, increase of labor force, deterioration of workability such as cutting property, transportability,

There are many disadvantages such as the avoidance of construction due to low insulation and sound insulation.

In the present invention, the reinforcing material is mixed with the raw material of the foamed molding,

By forming the hollow part in the foamed molded product produced by mixing the reinforcing material,

An object of the present invention is to provide a ceramic foam molding.

Therefore, in the present invention, to achieve the above object,

To provide a ceramic foam molding prepared by mixing the reinforcing materials of various oils and inorganic materials including steel fibers, fiber grinding materials, paper grinding materials, glass wool, cotton, etc. alone or in combination as a reinforcing material to the raw materials and

In order to reduce the weight of the ceramic foamed molding, and to significantly improve sound insulation and thermal insulation, it is to provide a ceramic foamed molding manufactured by forming a hollow portion therein.

A. Then, a method for producing a ceramic foamed molded product produced by mixing the reinforcing material according to the present invention will be described.

Pulverize pearlite, vermiculite, and other ceramic raw materials

Calcining the raw material at 1000 ° C. to 1200 ° C. to form pores in the particles, and then cooling the raw material to prepare expanded particles having a specific gravity of 0.1 or less;

Mixing the foamed particles with sodium silicate cement and reinforcing materials such as steel fibres, fiber grinds, paper grinds, glass wool, and cotton alone or mixed together into a hopper (mixing and feeding);

Putting the above into a conveyor or a molding die of a desired shape, pressing the rollers with a pressing roller, or pressing the press with a press to form a uniform density and heating;

Drying and curing the foamed molded product by carrying out the drying, heating, hot air, and microwave irradiation in parallel with one or more drying methods;

Cutting and processing the dried and cured foam to a desired size;

To prepare a ceramic foam molding using the sodium silicate cement according to the present invention as a binder.

Ceramic foam molding prepared by mixing the reinforcing material as described above,

In particular, when the thickness of the foamed molding is a thin plate, a rectangular structure, or a foamed molding which requires high strength for its use, it exhibits a very effective effect.

Steel fibres, fiber grinds, paper grinds, glass wool, and cotton used as reinforcing materials are uniformly mixed with foam particles and sodium silicate cement, thereby strongly binding raw materials.

Typically, the cutting strength, fracture strength and tensile strength will be increased.

In addition, in the case of foam moldings requiring high physical properties, the amount of reinforcing material is increased,

By increasing and mixing the ratio of sodium silicate cement as a binder, it is possible to provide a foamed molded article of high weight.

B. Hereinafter, a method for producing a foamed molded article formed by forming a hollow portion therein will be described.

In order to produce a foamed molded article formed with a hollow part therein,

1) injecting raw materials (foamed particles and sodium silicate cement / or expanded particles, sodium silicate cement and reinforcing material) supplied from the hopper (mixing and feeding) of the extruder into the extruder (cylinder and screw);

2) extrusion of the raw material passing through the extruder into the inside of the molding machine in which the hollow portion is stamped;

3) forming the mixed raw material in the molding machine;

4) supplying the molded foam molded product to the upper end of the moving conveyor extruded at a low speed;

5) drying and curing the supplied foamed molding through a drying apparatus installed in a conveyor;

6) withdrawing the dried, cured foamed molding through a drawer running at a suitable speed;

7) cutting the drawn foamed molding to a desired length through a cutter;

  It is a basic process to obtain a completed foam molding through the manufacturing process of.

In particular, in the above B) manufacturing process, (hereinafter, the hopper equipped with a heating device is referred to as a heat mixer).

Mixers, cylinders, and molding machines, which are components of the step-by-step process, are equipped with respective heating devices to continuously heat the raw materials, thereby evaporating moisture contained in the raw materials, thereby reducing the drying speed of the foamed molding.

Each step is described in detail step by step a method for manufacturing with a heating window as follows.

Raw materials (foamed particles and sodium silicate cement / or foamed particles, sodium silicate cement and reinforcing materials) are put into a heating mixer at a combination ratio of physical properties to be prepared,

By mixing and heating the above, water in the raw material (mainly sodium silicate) is partially evaporated.

The mixed and heated raw materials are forward-transmitted while being kneaded, heated, and compressed by a cylinder and a screw in an extruder equipped with a thermostatic heating device.

The raw material inside the cylinder is extruded and supplied to the molding machine installed in front by the rotation of the screw in the cylinder,

By gradually passing the raw material through the hole (cross section) of the molding machine equipped with the heating device,

The foamed molding with the desired shape is continuously drawn to the top of the forward movable conveyor.

In this process, the molding machine is provided with a heating device to continuously heat the raw material introduced into the molding machine to sustain evaporation of moisture contained in the raw material.

after,

The continuous molded foam is discharged to the upper end of the conveyor

Rapid drying and curing of the foamed molding through the drying device installed on the top of the conveyor.

At this time, the drying apparatus may be configured as a drying apparatus using at least one drying method of the heating, hot air, microwave irradiation method.

The dried and cured foamed product is taken out using a drawer,

The drawn foamed molding is cut to a desired length using a cutter to produce a finished ceramic foamed molding.

(The biggest reason for having the heating apparatus overlapped step by step is that in the actual production of the foamed molding, it is possible to quickly dry the moisture in the raw material to act as the largest condition that can be put into production and practical use. to be.)

On the other hand, in order to manufacture the foamed molding in individual units,

General molding method,

Inject the raw materials (foam particles and sodium silicate cement / or foam particles, sodium silicate cement and reinforcing material) into the inside of the molding machine,

The above is crimped | bonded and heated by the press which attached the upper mold | type.

The prepared foamed product is taken out from the molding machine,

By using a drying device (heating, hot air, microwave irradiation, consisting of one or more drying methods in parallel) made in a stand-alone, using a method of producing a finished foamed molding by drying, curing, or

By blowing the foamed product drawn out from the mold to the upper end of the movable conveyor,

Slowly moving through drying apparatus (heating, hot air, microwave irradiation, configured in parallel with one or more drying methods) installed on the top of the conveyor while drying and curing to produce a finished foamed molding.

Similarly, in this manufacturing method, it is preferable to mix and heat beforehand using a heat-mixer, to evaporate a part of moisture in a raw material, and to introduce a raw material into a molding machine.

In the case of the foamed molded article prepared by adding the reinforcing material described above,

Due to the weight of the reinforcement mixed in the main raw material,

Since the weight of the foamed molding increases,

By forming the hollow part inside the foamed molded article, it is possible to produce a ceramic foamed molded article having improved performance such as sound insulation and heat insulation while avoiding excessive weight increase.

In addition, the hollow portion may vary in shape and size, and may be manufactured by applying various hollow portions having a desired shape and size to a hollow portion of a single layer, a hollow portion of a double layer structure, a cylindrical structure, a square pillar structure, and the like ( 1).

In addition, a coating material of various inorganic materials emitting far-infrared rays or coated colored sodium silicate cement on the surface of the foamed molded article produced in the above various methods and forms,

It is possible to provide a highly usable foamed molded article having a wider range of use by adhering a finish including paper, fabric, synthetic resin film, fiber powder locking, etc. to the surface.

In addition, in addition to the above-described manufacturing method, a variety of manufacturing methods of the foamed molding is already known, and in the case of the ceramic foamed molding produced by using the sodium silicate cement prepared by a manufacturing method other than the above-described manufacturing method as a binder Even in

Of course, it can be manufactured by configuring the hollow part according to the present invention,

It should be considered to be included in the claims of the present invention.

Example 1

Pearl rock is pulverized and heated to 1000 ° C. to 1200 ° C. to produce expanded pearl rock particles having a specific gravity of 0.1 or less.

The pearlite foam particles: sodium silicate cement: steel fiber is added to the mixer in a weight ratio of 6: 3: 1,

The mixed raw material is administered to the top of the mobile conveyor.

The administered mixture was pressed with a roller installed on the conveyor, heated, dried, and cured to prepare a ceramic foam molding.

Example 2

The ceramic raw material is ground and heated to 1000 ° C. to 1200 ° C. to produce ceramic foam particles having a specific gravity of 0.1 or less.

After the ceramic foam particles: sodium silicate cement: paper shredder was administered in a heat mixer in a weight ratio of 6: 4: 1, mixed, and heated to release some of the moisture in the raw material.

The top of the mobile conveyor was administered.

The administered mixture was pressed with a roller installed on the conveyor and irradiated with hot air and microwave at the same time, thereby drying, curing and cutting to prepare a ceramic foam molding.

Example 3

The expanded vermiculite particles are pulverized and heated to 1000 ° C. to 1200 ° C. to produce ceramic foam particles having a specific gravity of 0.1 or less.

After the foamed vermiculite particles: sodium silicate cement: fiber pulverized product is administered by mixing in a heat mixer at a weight ratio of 6: 4: 1, and heated to release some of the moisture in the raw material,

Of all the heat-mixed raw materials, a portion was dispensed out of the mixer and administered to the top of the movable conveyor.

The dosed mixture was compressed with a roller installed on the conveyor to adjust the thickness and density.

By applying hot air and microwave irradiation at the same time,

Quickly dry and harden to produce a part of ceramic foam molding,

The remaining amount of the mixed raw material is administered to the upper part of the manufactured ceramic foam molding, and the adhesive is adhered to each other by pressing with a compression roller, and the ceramic foam molding having a multilayered structure is dried by irradiating and curing the hot air and microwaves. Prepared.

Example 4

The ceramic raw material is ground and heated to 1000 ° C. to 1200 ° C. to produce ceramic foam particles having a specific gravity of 0.1 or less.

After the foaming pearl cancer particles: foamed vermiculite particles: sodium silicate cement: glass wool (glass wool) in a weight ratio of 3: 3: 4: 1 in a heat mixer, mixed and heated to release some of the moisture in the raw material,

The raw material is injected into the extruder, kneaded and heated while extruding the raw material into the molding machine,

Supplying the molded, extruded foamed molding to the top of the moving conveyor,

The supplied foamed product is dried and cured through a hot air and microwave irradiation drying apparatus installed in a conveyor,

Withdrawal through a drawer, cut to the desired length to prepare a foam molding.

Example 5

Vermiculite is pulverized and heated to 1000 ° C. to 1200 ° C. to produce expanded particles having a specific gravity of 0.1 or less.

The vermiculite foam particles: sodium silicate cement is mixed in a heat mixer at a weight ratio of 2: 1, mixed and heated to release some of the moisture in the raw material.

It is injected into the extruder and kneaded and extruded to the inside of the molding machine while heating,

Supplying the molded, extruded foamed molding to the top of the moving conveyor,

The supplied foamed product is dried and cured through a hot air and microwave irradiation drying apparatus installed in a conveyor,

Withdrawal through a drawer, cut to the desired length to prepare a foam molding.

Example 6

Pearl rock is pulverized and heated to 1000 ° C. to 1200 ° C. to produce ceramic foam particles having a specific gravity of 0.1 or less.

The pearlite foam particles: sodium silicate cement: paper shredded into a heat mixer in a weight ratio of 6: 4: 1, mixed and heated to release some of the moisture in the raw material,

Injecting the heated mixed raw material into the molding machine formed hollow portion,

By pressing and molding at the same time as the heating and pressing, a foamed molded article having a hollow portion is prepared,

The above was withdrawn and dried and cured using a dryer equipped with hot air and microwave irradiation device at the same time.

A colored foamed silicate was coated on the surface of the dried foamed molding to prepare a ceramic foamed molding.

It is possible to produce the best foamed molding product by combining the above-described manufacturing methods of various methods according to the shape of the molded product, the properties of the raw materials or the purpose of use.

In addition, as mentioned in Example 6 above, if necessary, the coating of the sodium silicate cement on the surface of the foamed molding through all the above examples,

By coating a colored sodium silicate cement prepared by mixing colored pigment or colored toner with the sodium silicate cement on the surface, the surface is strengthened to enhance durability,

It is possible to produce a foamed molding imparting a beautiful gloss and aesthetic to the surface of the foamed molding.

In addition, it is coated with an inorganic coating material prepared by mixing one or more of various raw materials, such as ocher, illite, jade powder, charcoal powder and elvan, which emit far infrared rays to the sodium silicate solution.

It will be very desirable to add a beautiful aesthetic and practicality by constructing the surface layer using various finishing materials such as fabric, wood, paper, resin film, fiber powder locking, and iron.

The foamed molded article manufactured by using the sodium silicate cement prepared by the above method as a binder is superior in durability, heat insulation, and sound insulation, as well as the existing various types of foamed molded articles.

Particularly, in the foamed molded article coated with various surface finishes, desirable results can be obtained by using the exterior as well as the interior decoration of the building with the beauty of the surface and various colors and designs.

Ceramic foam molding prepared using a sodium silicate cement having a hollow portion formed in accordance with the present invention as a binder

As an eco-friendly ultra lightweight foam molding,

Increase in distribution cost due to excessive weight exceeding the required properties of existing foamed moldings,

The increase of excessive labor required by heavy weight and deterioration of workability such as cutting property, transportability,

As a solution to the drawbacks of building exterior walls and interior wall materials avoidance due to low insulation and sound insulation,

The weight is significantly reduced compared to the foamed molding without the hollow part,

This reduces the distribution cost,

Reducing raw material requirements,

Manpower saving, air saving,

Ultralight weight of products,

Increased insulation,

The thermal bridge phenomenon is reduced, eliminating condensation due to the crossover which makes the inner wall wet.

Since the heat loss to the outside can be reduced to a minimum, it is possible to reduce the fuel cost for cooling and heating the building.

In addition, the noise transmitted from both the inside and the outside is absorbed by the hollow part, thereby blocking the transmission of noise.

Sound insulation and sound absorption are effective,

Electric wires and pipes can be drawn in the hollow part, and the appearance is maintained.

In addition, by using the reinforcing material mixed with the raw material, it improved the durability by increasing the fracture strength and tensile strength,

Furthermore, by forming the hollow part inside the foamed molding, there is an effect that it is possible to provide a foamed molded article with reduced soundness and increased sound insulation and insulation.

In addition, by combining a variety of finishing materials to have a beautiful appearance has the effect of providing a foam molding suitable for a variety of applications.

Claims (6)

In the ceramic foam molding, Foamed ceramic particles may be used alone or in combination, mixed with sodium silicate cement, or Inside the cerabic foam molding prepared by mixing the reinforcing material in the raw material Ceramic foam molding manufactured by using a sodium silicate cement having a hollow portion formed therein as a binder, characterized in that the hollow portion is formed. Foam ceramic particles and sodium silicate or foamed ceramic particles and sodium silicate cement and reinforcement Kneading, heating, foaming, compressing and compressing ceramic foam particles and sodium silicate cement, which are raw materials supplied from a mixer having a raw material discharge amount control device, by a cylinder and a screw, which are extrusion devices; and Raw material is extruded by the rotation of the screw in the cylinder which is an extruder; and By extruding and supplying the raw material mixed in the extruder to the molding machine, As the raw material gradually passes through the hole (cross section) of the mold, The foamed molded article having the desired shape is continuously led to the top of the movable conveyor; And Rapidly drying and curing the foamed product through a hot air and microwave irradiation device which is a drying device installed on the top of the conveyor; and Drawing out the dried and cured foamed molded product using a drawer; Cutting the drawn foamed product to a desired length; a ceramic foamed molded product manufactured by using a sodium silicate cement having a hollow portion formed therein as a binder, and a method for manufacturing the same The method of claim 2, Ceramic foam molded article manufactured by using a sodium silicate cement having a hollow portion as a binder, characterized in that it is manufactured with a heating device equipped with a thermostat in at least one of the mixer or the cylinder or the molding machine, and its manufacture Way The method according to claim 1 or 2 above, The reinforcing material is manufactured using an incomplete gel silicate with hollow parts formed therein as a binder. Ceramic foam moldings. The method according to claim 1 or 2 above, Coating the coating agent prepared by mixing at least one raw material of the inorganic material on the surface of the prepared foam molding, Characterized in that it is produced by bonding a variety of surface finishes to the surface Ceramic foam molding manufactured using a sodium silicate cement having a hollow portion formed therein as a binder. The ceramic foam molding of claim 1 or 2 is a binder of sandwich panel cores, fire door cores, interior partitions, outdoor walls, ship interiors, ceiling materials, other thermal insulation materials, and thermal insulation materials, the hollow silicon silica cement having a hollow portion formed therein. Ceramic foam moldings prepared by using.

Images