KR100866480B1 - Expandable polystyrene - Google Patents

Abstract

Expandable polystyrene which is semi non-flammable material by forcing the yellow soil flame resisting liquid in which the fine loess powder is mixed to be injected, and drying and then adhered is provided. Expandable polystyrene apparatus comprises an plurality of rollers(6) installed at regular intervals between the front and rear a pair of transverse members(5); an endless type conveyor(7) installed over the whole roller; a speed reduction motor(9) and the power transmission unit(8) which is assembled to the axis of rotation so that the roller positioned in one side edge can rotate; a tension control unit(10) which is installed at both sides of transverse member and controls the tension of conveyor; an accumulator tank, installed at the lower part of conveyor, in which the yellow soil flame resisting liquid of the predetermined amount is stored; liquid level sensors(12,13,14) sensing the upper and lower limit of the yellow soil flame resisting liquid(14); a plurality of electronic heaters which is installed within the accumulator tank and maintains temperature of the yellow soil flame resisting liquid(15) constant; a temperature sensor(16) detecting the temperature of the yellow soil flame resisting liquid ; a feeding chamber(17) of which the top and sides are blocked and the bottom is open, installed at the upper part of the conveyor; a sealing member(18) installed at the lower periphery part of the feed chamber; a cylinder(19) elevating and down the feed chamber; an injection pipe(20) installed at feed chamber; a pressure control valve(21) connected to the middle part of an injection pipe; a flexible tube(23) connected between a vent of a high pressure pump(22) and the pressure control valve; a filter(24) connected between entrance of the high pressure pump and accumulator tank; a stopper connected to the cylinder(26) rod lower end part installed at the rear vertical member(25) of the transverse member; and a controller.

Description

High flame retardant method of expanded polystyrene foam using ocher fire retardant and its device {Expandable Polystyrene}

The present invention relates to a high flame retardant method of foamed polystyrene foam, which is widely used as a heat insulating material, and a device thereof, and forcibly injecting and / or forcing ocher flame retardant mixed with fine ocher powder to a molded foamed polystyrene foam. It is made by inhalation drying to solidify, thereby obtaining a highly flame-retardant expanded polystyrene foam close to a semi-combustible material.

Generally, expandable polystyrene, which is a thermoplastic resin, is white, light, and has good transparency, and is excellent in water resistance, heat insulation, sound insulation, cushioning, and molding processability, such as packaging materials, building materials, buoyancy materials, ornaments, insulation materials, and daily necessities. Widely used throughout the industry.

The expanded polystyrene is made of a foamed resin by adding a foaming agent such as pentane or butane to a polystyrene resin polymerized with a styrene monomer and simultaneously generating bubbles to generate bubbles. About 98% of the volume is air and the remaining 2% is a resin. Lightweight, excellent in water resistance, heat insulation, sound insulation and cushioning, it is widely used in various packaging containers, transport packaging materials, freezing warehouse walls, thermal insulation cold insulation materials, prefabricated buildings or walls, ceilings, etc. Large and small embers not only changes the overall shape instantaneously, but also generates a large amount of smoke during combustion, leading to a large fire disaster, there was a problem that many lives are damaged.

The main methods used for flame retardant foamed polystyrene foam include halogen compounds, metal hydroxides, metal oxides (Al (OH) ₃ , Mg (OH) _2, etc.), halogen phosphate ester compounds, etc. In the case of preparing a foamed polystyrene foam having a predetermined shape, since the flame retardant must be added in a large amount to increase the flame retardancy, mechanical properties such as tensile strength and impact strength of the polystyrene resin are greatly reduced.

In addition, when manufacturing a polystyrene foam by coating and drying a flame retardant on the surface of a bead (bead) raw material of the expanded polystyrene, the price of the beads is expensive, there is a price increase factor of the expanded polystyrene foam, the investment cost is excessive and productivity is low There is a problem.

In addition, when the flame retardant is injected into the surface and the inside of the foamed polystyrene foam molded into a predetermined shape, the flame retardant is concentrated only around the syringe, so the flame retardant unevenness is reduced, and the method of using the syringe greatly reduces productivity. There is this.

On the other hand, loess is composed of various mineral particles, the size of which is mainly composed of particles of 0.02 to 0.05 mm in diameter, clay-sized particles of about 0.005 mm, and the chemical composition of loess is silica ( SiO ₂ ) 60 to 65%, alumina (Al ₂ O ₃ ) 10 to 13%, calcium oxide (CaO) 8%, iron sulfide (FeSO ₄ ) 5 to 6%, magnesium (Mg) and sodium (Na) 2 %, Potassium (K) 1.5%, etc. In addition, it contains quartz, mica, feldspar, calcite, etc., and these substances are oxidized with iron and are expressed in various colors such as yellow.

Ocher has excellent degradability, storage capacity, absorption, transparency, vitality and weakness, and recently, various effects of ocher, such as tobacco odor, sweat odor, food smell, etc. As the action, humidity control, and far-infrared radiation are newly illuminated, various household products using ocher are being developed.

In addition, the yellow soil (黄土) is called the living room of the solar energy by radiating a large amount of far-infrared rays necessary for the growth of animals and plants. In particular, when the ocher component is absorbed by the human body, it may promote metabolism to prevent aging.

Due to the efficacy of the loess, far-infrared rays emitted from the loess itself activate the physiology of the cells to restore dying seas, polluted rivers, fish tanks, and dying seas.

In addition, it releases a large amount of negative ions, which can be called vitamins in the air, converts acidified constitution into alkaline and promotes blood circulation, which boosts metabolism. The loess contains an active yeast called caratase, which reduces and breaks down free radicals and peroxide lipids that cause aging, and also breaks down harmful substances in the body and has excellent effects on skin care.

Ocher with such efficacy is transforming into various products in the well-being wind. It is used for dyeing cloth, to make ocher bricks as building materials, to be used as a skin care pack, to be used for steaming in a jjimjilbang, and to be used as ocher balls on a trail. It is expected that various products will come out in various forms in the future.

Looking specifically at the function of the loess,

1. Humidity Control Power-Automatic humidity control to absorb moisture when humidity is high and to give off moisture when drying.

2. Temperature control-It prevents the heat from outside and radiates warmth when the weather is cold.

3. Absorbency-Absorbs odors such as food, tobacco, etc. quickly.

4. Antibacterial activity-Prevents the growth of fungi and various fungi harmful to the human body.

5. Health-High-infrared radiation, anti-aging, blood circulation, stress relief, skin care, neuralgia, back pain, chronic fatigue is very good for recovery.

6. Electromagnetic wave shielding-Blocks harmful electromagnetic waves with a large amount of far-infrared radiation.

The efficacy of ocher,

① promote blood and make metabolism vigorous.

② arthritis, muscle pain, low back pain, autonomic ataxia (good after traffic accidents) is good for the body's ability to decompose the waste and self-cleaning is good for skin care.

③ remove toxins and relieve pain.

④ to remove inflammation and inhibit the non-cell (cancer) is effective.

⑤ calm the mind and body to strengthen.

⑥ If you wake up in the morning is refreshing and full of energy.

⑦ promote blood flow, relieve pain and warm the body.

⑧ Release waste and heavy metals.

⑨ comfort and fatigue recovery (lipid peroxide removal) effect is also excellent.

⑩ It has excellent antibacterial effect and anionizes the air and has a good effect on health.

분해 Excellent decomposition and deodorizing effect of waste and odor.

⑫ Pure loess has excellent thermal insulation, sound insulation, deodorization, deodorization, pest control, and mildew prevention.

⑬ Living at home with far-infrared radiation along with a cozy ocher atmosphere is very beneficial for your health.

⑭ The ocher itself breathes and lives to naturally control humidity.

Also, looking at the advantages of loess recorded in the literature,

In 『Oil Herb Tree』, “Ocher is the most fragile among soils and is used as a soil for medicine. Most of the medicinal herbs have some toxicity, but the poison is weakened by mixing ocher. It increases the weakness of the medicine. "

Similar findings can be found in the recent publication of a study on enzymes in the soil by the Japan Microbiological Research Society. In this announcement, 'good quality loess contains enzyme catalase that removes hydrogen peroxide, which neutralizes the body's toxin, lipid peroxide.' The action of this enzyme is that ocher inhibits aging and keeps you young. The loess also contain an enzyme protease that hydrolyzes proteins into amino acids, breaking down cancer, boils and other decaying cells in the organism.

Ocher has been commonly used in folk medicine since ancient times. Not only us, but also the people who were close to the ocher had their own ways of overcoming the ocher and using it as a skin cosmetic or eating the ocher when they were sick. Ocher contains a lot of calcium carbonate, which makes it difficult to break. It is because of this calcium carbonate that when water is mixed it turns into clay.

The soil keeps the temperature comfortable all four seasons, absorbs moisture from the summer and releases it in the dry season. It also blows air into the cracks of dirt particles.

It is an ideal building material for cool summers and warm winters. In addition, the soil has excellent weakness such as detoxifying the human body. By living in such weak loess, he also promoted health.

Almost no cracks and cracks compared to concrete.

Completely free from danger to fire.

It is known to be environmentally friendly and does not harm the environment when it is returned to loess.

The present invention is a high flame retardancy (high or high) close to the semi-combustible material by forcibly injecting and drying the ocherite flame retardant mixed with the fine ocher powder of the above-described function (or efficacy) to the molded foam polystyrene foam It is an object of the present invention to provide a high flame retardant method of foamed polystyrene foam using ocher to obtain a foamed polystyrene foam having high strength, and an apparatus thereof.

Another object of the present invention is a high flame retardancy (or high flame resistance) close to a semi-combustible material by forcibly inhaling and drying the ocher flame retardant mixed with the fine ocher powder of the above-described function (or efficacy) to the molded foam polystyrene foam. It is characterized by providing a high flame retardant method of foamed polystyrene foam using ocher to obtain a foamed polystyrene foam and its apparatus.

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Another object of the present invention is to use a needle punch to form small grooves (about 0.5 mm) to the inside of the foamed polystyrene foam at close intervals (for example, 3 mm to 5 mm) so that the ocher flame retardant can be more easily Injecting is characterized in that the flame retardant efficiency and productivity are further improved.

The present invention provides high pressure injection or vacuum suction of ocher flame retardant into the foam polystyrene foam so that the ocher powder and the flame retardant are evenly distributed inside the foam polystyrene foam, such as between beads and beads, and pores (fine gaps) of the beads. High penetration and semi-flammable foam that does not ignite or change even after exposure for 2 ~ 3 minutes at direct flame temperature by collecting large amount of ocher particles inside the bead structure to occupy 50% ~ 80% space by deep penetration. Polystyrene foam is obtained.

In addition, by high pressure injection or vacuum suction, natural yellow soil contained in foamed polystyrene foam has high thermal insulation property, high sound insulation, dustproof and moisture resistance effect, and a lot of far-infrared ray which is beneficial to air purification, insect repellent and human body. In addition to being released, the amount of formaldehyde released from the expanded polystyrene foam is almost eliminated or greatly reduced, thereby solving environmental pollution problems such as sick house syndrome, and it is water-soluble without using organic solvents. It is harmless to human body and does not generate pollutants.

The present invention has an effect that the ocher flame retardant is deeply and evenly penetrated into the foam polystyrene foam by forced injection or high pressure injection or vacuum suction to obtain a highly flame-retardant foam polystyrene foam.

That is, in the present invention, a large amount of ocher fine particles are collected in the bead structure in which the pores are formed and occupy 50% or more of space (50 to 70%), so that they do not ignite or change even when exposed for 2 to 3 minutes at a direct flame temperature of 1,000 ° C. Flame retardant and semi-combustible expanded polystyrene foams are obtained.

In addition, the present invention has the effect of providing an environmentally friendly, high thermal insulation, high sound insulation, dustproof, moisture resistance effect, and excellent appearance because it uses the natural material ocher.

In addition, the present invention not only maintains the high flame retardancy close to the semi-combustible material by solidification and solidification of the ocher particles and flame retardants introduced into the expanded polystyrene foam, but also provides far-infrared rays which are beneficial for air purification, insect repellency, and human body by the ocher action. It has an effect such as being released.

In addition, the present invention has the effect that the problem of environmental pollution, such as sick house syndrome, because the amount of formaldehyde released from the expanded polystyrene foam by the action of the ocher is almost eliminated or greatly reduced.

In addition, since the ocher fire retardant of the present invention is water-soluble without using an organic solvent or the like, there is no generation of toxic gas or dust, and thus, it is harmless to the human body and does not generate pollutants.

In addition, the expanded polystyrene foam of the present invention is prevented by rapid fire expansion due to the low temperature thermal decomposition of the core material by the high flame retardancy, there is an effect that can effectively prevent the shape collapse due to melting of the expanded polystyrene foam.

In addition, the present invention is safe and excellent in construction because it is forced to inject or force the ocher fire retardant liquid into the polystyrene foam by a predetermined pressure or vacuum suction input, and has the effect of reducing the cost of equipment investment and the like.

In addition, the present invention not only maintains the high flame retardancy close to the semi-combustible material by solidification and solidification of the ocher particles and flame retardant introduced into the foamed polystyrene foam, but also has far-infrared rays which are beneficial for air purification, insect repellency and human body by the ocher action. It has an effect such as being released.

In addition, in the present invention, when the pinholes having a small size are formed in the densely spaced up to the inside of the expanded polystyrene foam by needle punching, the flame retardant is more easily penetrated and thus the flame retardant efficiency and productivity are further improved.

In describing the present invention, the same elements in the drawings are denoted by the same reference numerals as much as possible, and detailed descriptions of related well-known structures or functions will be omitted in order not to obscure the subject matter of the present invention.

In the present invention, a large amount of ocherite flame retardant is injected or sucked into the bead structure in which the pores are formed, and then solidified and solidified by drying to occupy 50% or more (50 to 70%) of the internal space of the expanded polystyrene foam. The highly flame-retardant expanded polystyrene foam (2), which is near incombustible, does not ignite or change foamed polystyrene foam even when directly exposed to gas stove flame for 2 to 3 minutes, and it is environmentally friendly due to the action of natural loess. It is characterized by high heat insulation, soundproofing, dustproofing, and high moisture resistance, and emits large amounts of far-infrared rays, which are beneficial to air purification, insect repellent and human body.

Injecting the ocher fire retardant in the present invention can be achieved by a high-pressure injection or vacuum suction.

For example, in the high flame retardant method of polystyrene foam using ocher flame retardant, the ocher flame retardant is injected to pass through the polystyrene foam at a predetermined pressure to contain the ocher flame retardant solidified inside (Example 1), and a vacuum pump. For example, a method in which the ocher fire retardant solution is contained in the ocher fire retardant solution by inhalation into the expanded polystyrene foam to be solidified may be used (Example 2).

Example  1: (high pressure jet type)

Preparing a foamed polystyrene foam molded into a semi-finished or finished product on a work table (step S1);

The present invention is about 1,000 ℃ by occupying 50% or more (50 ~ 70%) of the internal space of the foamed polystyrene foam while solidified and fixed by a large amount of ocher fire retardant is injected or sucked into the bead structure formed pores The highly flame-retardant expanded polystyrene foam (2), which does not ignite or change foamed polystyrene foam even when directly exposed to gas stove flame of 2 minutes, is obtained and is environmentally friendly by the action of natural loess. It is characterized by high thermal insulation, soundproofing, dustproofing, and high moisture resistance, and releases a large amount of far-infrared rays, which is beneficial to air purification, insect repellent and human body.

Supplying high pressure ocherous flame retardant which is incubated at a predetermined temperature by using a high pressure pump (S3);

Injecting a high-pressure ocher fire retardant solution supplied to the injection chamber sufficiently into the expanded polystyrene foam (step S4);

Stopping supplying the ocher flame retardant supplied to the injection chamber (step S5);

Separating the bonded injection chamber from the expanded polystyrene foam (step S6);

Separating the expanded polystyrene foam from the ocher flame retardant is injected and the injection chamber is separated (step S7);

Drying the expanded polystyrene foam separated from a work table at a predetermined temperature for a predetermined time (step S8);

Sufficiently injecting the high-pressure ocher fire retardant supplied into the injection chamber into the expanded polystyrene foam (step S4);

Stopping supply of the ocher flame retardant supplied to the injection chamber (step S5);

Preparing a foamed polystyrene foam molded into a semi-finished or finished product on a work table (step S11);

Bonding a vacuum chamber to the opposite surface of the expanded polystyrene foam impregnated in the yellow earth flame retardant to be kept warm (step S12);

Vacuuming the vacuum chamber with a vacuum pump (step S13);

The ocher flame retardant is sucked into the expanded polystyrene foam by the vacuum of the vacuum chamber (step S14);

Stopping vacuum suction of the ocher flame retardant (step S15);

Separating the vacuum chamber from the expanded polystyrene foam (step S16);

Separating the expanded polystyrene foam from which the ocher fire retardant solution is injected and the vacuum chamber is separated (step S17);

Drying the expanded polystyrene foam separated from a work table at a predetermined temperature for a predetermined time (step S18);

Highly flame-retardant expanded polystyrene foam is obtained.

On the other hand, the ocher used in the present invention uses natural ocher in the form of a fine powder commercialized, and is a commodity that is commercially available, so that the natural ocher is collected to remove foreign substances, sterilized, and then pulverized and processed to obtain fine particles. Process description is omitted.

The plane of the injection chamber and the vacuum chamber is slightly smaller than the plane of the foamed polystyrene foam, the high pressure pump and the vacuum pump is connected to the injection chamber and the vacuum chamber to pressurize or supply the ocher flame retardant.

In the present invention, the ocher is in a fine state such as flour with fine size, for example, 200 ~ 1,000mesh fine particles, which can sufficiently penetrate into the fine pores formed in the beads of the expanded polystyrene foam.

The ocher flame retardant is mixed with a known flame retardant and fine ocher powder at a weight ratio of 90% to 70%: 10% to 30%, and heated to a temperature of 50 to 80 ° C. by an electric heater having a constant temperature maintaining means. Is injected from.

When the mixing amount of the loess powder (or the loess fine particles) is small, the flame retardant effect is decreased, and when the amount is high, the flame retardant effect is increased, but the characteristics of the expanded polystyrene foam have a problem of deterioration, so the mixing ratio of the loess fine particles is appropriately adjusted in the above range.

On the other hand, the ocher used in the present invention is a commercially available natural ocher in the form of fine powder, and is a commodity that is sold on the market. Process description is omitted.

In the case of the pressure injection type (Example 1) in the present invention, the transfer pressure of the ocher flame retardant is 0.5 ~ 3㎏ / ㎠, depending on the thickness and density and size of the expanded polystyrene foam, the injection time suction time and injection pressure and vacuum pressure It varies depending on the range of several seconds to several tens of seconds so that the ocher fire retardant can be sufficiently injected.

In the case of the vacuum suction type (Example 2), it is preferable to maintain the vacuum degree of the vacuum chamber at 10-1 torr using a vacuum pump so that the ocher flame retardant liquid is sufficiently sucked.

Since the expanded polystyrene foam has a large surface tension at normal temperature, the yellow clay flame retardant is beaded by the surface active effect by breaking the surface tension of the expanded polystyrene foam by heating the room temperature below the heat deformation temperature, such as ocher flame retardant at 50 to 80 ° C. It is evenly injected deep inside. Therefore, ocher flame retardant is injected very effectively.

At this time, when a plurality of pinholes are formed in the densely spaced polystyrene foam by needle punching, the ocher flame retardant is more effectively injected evenly.

In addition, when a plurality of ultrasonic vibrators are installed in the injection chamber and injected at high pressure with ultrasonic vibration of the ocher flame retardant, the surface tension of the entire foamed polystyrene foam including the beads is further deteriorated and injected effectively.

Drying is carried out in a common drier and warmed to a temperature within a range where physical properties do not change for a predetermined time to dry the water content and the solid flame retardant and loess are fixed in the beads and the internal space of the beads.

That is, the injected ocher flame retardant is fixed by the drying process and the flame retardant and the ocher in the bead (bead) and the bead space of the skin (Core) structure as shown in Figure 4 to prevent the falling off.

On the other hand, in the case of non-flame-retardant foamed polystyrene foam, even if exposed to heat for several seconds in direct heat of 70 ~ 80 ℃ thermal deformation occurs. Foamed polystyrene foam according to the present invention is a semi-combustible material without heat deformation even when heated to a temperature of about 1,000 ℃ with a torch for 2-3 minutes.

That is, the expanded polystyrene foam treated by the present invention corresponds to a semi-combustible material having a flame retardant temperature of about 1,000 ° C.

Foam polystyrene foam provided by the present invention is not only excellent in flame retardancy due to the injection of a large amount of inorganic soil, but also excellent in far-infrared radiation by ocher, and excellent heat insulation, antibacterial and flame retardancy as well as the effect of humidity control, deodorization, etc. There is a useful invention.

3 is an enlarged view of the expanded polystyrene foam 2 before treating the ocher flame retardant 3, and FIG. 4 shows an enlarged state of the expanded polystyrene foam 2 prepared according to preferred embodiments 1 and 2 of the present invention. As a result, it can be seen that a large number of ocher fine particles (black part) are collected inside the structure of the beads in which the pores are formed. It is highly flammable and semi-combustible that does not ignite or collapse after exposure to 3 minutes.

In addition, the present invention is excellent in mold resistance and moisture permeability due to the action of loess, not only does not cause mold, but also excellent in deodorizing effect can be used as a variety of building materials, excellent flame retardancy is particularly close to semi-combustible, compressive strength It is excellent for thermal conductivity, mold resistance, moisture permeability and deodorizing effect, so it is harmless to human body and can be used for various building materials such as flooring, ceiling, interior and exterior materials.

The flame retardant treatment of flame retardant foamed polystyrene foam (2) according to the first and second embodiments of the present invention using a gas torch in a horizontal heating experiment of the flame-retardant conventional general foamed polystyrene foam (FIG. 3) The silver melts within a few seconds with heating and disappears, but the expanded polystyrene foam (2) of the present invention treated with the ocher flame retardant (3) as shown in FIG. As it occupies more than 50% of internal space (bead space), even if it is directly exposed to gas flame of about 1,000 ℃ for 2 ~ 3 minutes, it shows semi-combustibility that hardly ignites or collapses beads.

That is, the flame retardant temperature of the expanded polystyrene foam treated by the present invention corresponds to a semi-combustible material reaching about 1,000 ℃.

Foam polystyrene foam provided by the present invention is not only excellent in flame retardancy due to the injection of a large amount of inorganic loess, but also excellent in far-infrared radiation by ocher, and excellent heat insulation, antibacterial and flame retardancy as well as the effect of humidity control, deodorization, etc. There is a useful invention.

6 and 7 are schematic views of the ocher flame retardant injection device 1 shown as an example of the present invention, and FIG. 6 is a state before the ocher flame retardant 3 is injected into the expanded polystyrene foam 2, and FIG. The state in which the ocher flame retardant 3 is injected into the expanded polystyrene foam 2 is illustrated.

The ocher flame retardant injection device (1) is a pair of horizontal members before and after the horizontal member 5 is installed parallel to the support member (4), the pair of horizontal so that the foamed polystyrene foam (2) can be transported A plurality of rollers 6 provided at predetermined intervals between the members 5, an endless type conveyor 7 provided over the entire rollers 6, and the plurality of rollers 6 interlock. Chain gears (not shown) connected to the rotating shaft of the roller 6 so as to rotate, and power transmission means (not shown) for connecting the chain gears to the endless chain, and rollers located at one edge ( 6a) is provided on both sides of the power transmission means (8) for connecting the chain gear coupled to the rotary shaft and the chain gear coupled to the rotary shaft of the reduction motor (9) and the horizontal member (5) so that the other side can rotate Adjust the tension of the conveyor (7) by adjusting the position of the roller (6b) located in the And a liquid level for detecting the upper and lower limits of the ocher flame retardant 3 and the collecting tank 11 installed at the lower portion of the conveyor 7 to accommodate a predetermined amount of the ocher flame retardant 3. Temperatures of the plurality of heat transfer heaters 15 and the loess flame retardant 3 which are installed in the sensors 12, 13 and 14, the collection tank 11 to warm the loess flame retardant 3 to be maintained at room temperature. The temperature sensor 16 for detecting the, and the injection chamber 17 is installed on the conveyor 7 and the top and side are blocked and the lower part is opened to inject the ocher flame retardant 3 into the expanded polystyrene foam 2. And a sealing member 18 such as a silicon tube installed at the lower edge of the injection chamber 17 to be in close contact with the upper surface of the expanded polystyrene foam 2 when injecting the ocher flame retardant 3 and the injection chamber 17. ) Is connected to one or a plurality of cylinders 19 for raising and lowering the injection tube 20, an injection tube 20 installed on an upper surface or a side of the injection chamber 17, and an injection tube 20. A pressure control valve 21 provided with a check valve, a flexible pipe 23 such as a corrugated pipe or a hose in a flexible state connected between the outlet (pressure port) of the high pressure pump 22 and the pressure control valve 21; , The filter 24 connected between the inlet (suction port) of the high pressure pump 22 and the collection tank 11 so as to filter foreign matter or particles (particles) and the like, and the rear end of the horizontal member 5 is vertical. It consists of a cylinder 26 installed in the member 25, a stopper 27 and a controller 28 for stopping the foamed polystyrene foam 2 which is connected to the rod lower end of the cylinder 26 and transported.

The horizontal member 5 is longer than the length of the foamed polystyrene foam (2) to accommodate the foamed polystyrene foam (2), the separation distance is also far from the width of the foamed polystyrene foam (2).

The plane of the injection chamber 17 is slightly smaller than the plane of the expanded polystyrene foam 2, and a pressure gauge 29 for detecting the injection pressure is installed at the upper portion of the injection chamber 17 and connected to the injection chamber 17. Injection pipe 20 is connected to a plurality of places through the distribution pipe is made of rapid injection of the ocher flame retardant (3).

The present invention not only maintains the high flame retardancy close to the semi-combustible material by solidifying the ocher fine particles and the flame retardant introduced into the foamed polystyrene foam by the forced injection and suction of the ocher flame retardant, but also purifies the air by the ocher action, insect repellency. And far-infrared rays which are beneficial to the human body are released, which has a beneficial effect on the human body.

The cylinders 19 and 26 are installed on the support member 32 fixed to the upper portion of the horizontal member 5, and rod ends positioned at the lower portions of the cylinders 19 and 26 are provided at a plurality of positions of the injection chamber 17. The lifting and lowering of the injection chamber 17 is achieved by being fixed to the support member 33 fixed to the support member 33.

The cylinders 19 and 26 are air cylinders or hydraulic cylinders, and may be changed to a motor and a power transmission means depending on the situation.

The conveyor 7 supports the foamed polystyrene foam 2 as a whole, and the pores are formed so that the ocher flame retardant 3 flowing through or flowing through the foamed polystyrene foam 2 can sufficiently fall into the collection tank 11. Structure, mesh or chain structure, even if the injection chamber 17 is pressurized, sufficient supporting force is required to the extent that the expanded polystyrene foam (2) is not damaged or damaged.

7 is a circuit block diagram of the controller 28 shown as an example of the present invention.

On / off of the high pressure pump 22, pumping pressure, and on of the heat transfer heater 15 are inputted to the input of the controller C composed of a central processing unit (CPU) and a PLC (PLC). ) / Off, driving of the display unit D and the alarm unit A, on / off of the cylinders 19 and 26, and on / off the reduction motor 9 (off) and control the speed to set the operation speed operation time, etc. of the conveyor (7), a setting unit (S) consisting of a reset unit for resetting in the event of controller abnormality, and ocher flame retardant ( A temperature sensor 16 for sensing the temperature of 3) and a liquid level sensor 12, 13, 14 for sensing the upper and lower liquid levels of the ocher flame retardant 3 are respectively connected.

In addition, the output of the control unit C includes a display unit D which displays data such as a set value (control value) or a current value, an operation state, and the like, and a plurality of heat transfers for heating and maintaining the ocher flame retardant 3 at constant temperature. When the heater 15, the reduction motor 9 for driving the conveyor 7, the high pressure pump 22, the cylinders 19 and 26, various abnormalities occur, the sensor malfunctions, malfunctions, or liquid level abnormalities Alarm parts AL for alarming sound or light or sound and light are connected respectively.

The high pressure pump 22 is provided with a pump motor, the cylinders 19, 26 are provided with a solenoid valve for the change of direction, the control unit (C) is connected to these pump motor and the solenoid valve.

The display unit (D) includes a power indicator for indicating a power supply state, a reduction motor (9), a high pressure pump (22), cylinders (19), a heat sensor (15), a temperature sensor (16), and a liquid level. It includes an operation indicator indicating that the sensors 12, 13, 14, etc. are in operation, an alarm indicating various abnormal conditions, and various data display portions, and one of a liquid crystal display (LCD), a seven segment, or a light emitting diode Composed of a complex, of course, it is also possible to facilitate the use by configuring the display unit with a touch screen according to the situation.

On the other hand, the process of injecting the ocher flame retardant (3) into the expanded polystyrene foam (2) as follows.

When the stopper 27 is lowered to the upper part of the horizontal member 5 by operating the cylinder 26, the foamed polystyrene foam 2 is transferred to the upper surface of the distal end of the conveyor 7 and seated therein. When a plurality of rollers 6 are rotated in a clockwise direction and the conveyor 7 moves in the direction of the stopper 27, the expanded polystyrene foam 2 on the conveyor 7 is moved in the arrow direction A. The front end of the expanded polystyrene foam 2 is stopped by the stopper 27, and the reduction motor 9 is stopped by the controller 28.

The injection chamber 17 is lowered by the operation of the cylinder 19 while the expanded polystyrene foam 2 is stopped at the injection position so that the sealing member 18 is tightly sealed to the upper surface of the expanded polystyrene foam 2. .

When the sealing is achieved simultaneously with the lowering of the injection chamber 17, the high pressure pump 22 is operated so that the ocher flame retardant 3 of the collection tank 11 is planarized through the expansion pipe 23 and the injection pipe 20. Evenly supplied to the large injection chamber 17, the injection chamber 17 is different depending on the thickness, density and size of the foamed polystyrene foam (2), but the pressure of approximately 0.5 ~ 3kg / ㎠ foam polystyrene foam ( It passes through 2) and flows down to fall to the collection tank 11.

In addition, the planar area of the injection chamber 17 is slightly smaller than the planar area of the expanded polystyrene foam 2, and a part of the ocher flame retardant 3 supplied to the sealing member 18 passes through the expanded polystyrene foam 2. Since it is then flowed to the side, the entire flame retardant including the side of the expanded polystyrene foam (2).

The filter 24 located at the front of the high pressure pump 22 is transported to the injection chamber 17 at a high pressure after foreign matter or particles generated from the expanded polystyrene foam 2 are filtered.

The conveying pressure and the injection pressure is 0.5 ~ 3㎏ / ㎠ vary depending on the thickness and density and size of the expanded polystyrene foam (2), the injection time is different depending on the injection pressure, but the ocher flame retardant (3) is expanded polystyrene foam (2) ranges from a few seconds to several tens of seconds to allow for sufficient injection

In the present invention, the ocherite flame retardant 3 is continuously reused while being circulated and filtered, and when the ocherite flame retardant 3 is consumed by continuous use or evaporation, the lower liquid level sensor 14 detects the lowered liquid level (AL). The ocher fire retardant injection device 1 is stopped while the ocher fire retardant injection device 1 is stopped, and the ocher fire retardant injection device 1 operates or operates when the level of the ocher fire retardant solution 3 is supplied to the liquid level sensor 13 at the intermediate position. When the ocher flame retardant 3 is excessively supplied and the upper liquid level sensor 12 detects this, the ocher flame retardant injection device 1 is stopped while the alarm level AL is similarly alarmed. When the sensing of the liquid level sensor 12 is lowered to descend, the ocher flame retardant injection device 1 is in operation or can operate.

The degree of pressurization of the sealing member 18 in contact with the upper surface of the foamed polystyrene foam 2 is such that the ocher flame retardant 18 forcedly injected by pressure is leaked without damaging the contact surface of the foamed polystyrene foam 2. If the sealing force is not enough, it is satisfied.

On the other hand, when the injection of the ocher flame retardant (3) is completed, the high pressure pump 22 is stopped and the supply of the ocher flame retardant (3) is stopped, the cylinder 19 is operated to the injection chamber 17 is raised and returned When the cylinder 26 operates, the stopper 27 rises and the foamed polystyrene foam 2 is discharged to the rear end of the stopper 27, and the foamed polystyrene foam 2 is discharged into a dryer to a predetermined temperature. After drying for a predetermined time, the stopper 27 is lowered by the cylinder 26, new foamed polystyrene foam is introduced in the arrow direction A of the ocher flame retardant injection device 1, and the next flame retardant operation is resumed.

When the injection chamber 17 is raised in the above, the expansion tube 23 is stretched.

The cylinders 19 and 26 may be air cylinders or hydraulic cylinders or reduction motors and power transmission means.

The controller 28 determines and controls the raising and lowering of the injection chamber 17 and the injection pressure, injection time, injection amount, etc. of the ocher flame retardant 3, and precisely or again adjusting the injection pressure using the pressure regulating valve 21. I can adjust it.

Conveyor 7 of the present invention is preferably a mesh type conveyor or a steel conveyor or the like so that the ocher fire retardant solution 3 can be well injected into the expanded polystyrene foam 2.

The foamed polystyrene foam (2) to be transferred to the flame retardant position in the above is punched with a needle when a plurality of holes perforated at close intervals, the input of the ocher flame retardant (3) is more uniform and evenly penetrated.

In addition, an ultrasonic vibrator may be installed in the injection chamber 17 to which the ocher flame retardant 3 is supplied, thereby further promoting the injection of the ocher flame retardant 3.

The cylinders 19 and 26 may be air cylinders or hydraulic cylinders or reduction motors and power transmission means.

The controller 28 determines and controls the raising and lowering of the injection chamber 17 and the injection pressure, injection time, injection amount, etc. of the ocher flame retardant 3, and precisely or again adjusting the injection pressure using the pressure regulating valve 21. I can adjust it.

In the present invention, this phenomenon is repeated 20,000 to 2,000,000 (20 ㎑ to 2 MHz) times per second, and the ocher flame retardant 3 is finely resonated by a plurality of ultrasonic vibrators installed in the injection chamber 17 (not shown). As a result, a high quality foam polystyrene foam (2) having excellent flame retardancy is obtained while infiltrating and solidifying evenly between the beads of the foam polystyrene foam (2) and between the pores formed in the beads.

In particular, since the medium (flame retardant) is a liquid, there is little energy reduction, and the yellow clay flame retardant (3) is uniformly infiltrated into the space formed between the beads and the beads of the expanded polystyrene foam (2) by dispersing by ultrasonic vibration. In the case where the small sized pimholes are formed at close intervals by the needle punching to the inside of the expanded polystyrene foam 2, the ocher flame retardant liquid 3 in the molecular state is more easily penetrated to further improve the flame retardant efficiency and productivity.

As described above, the present invention can be variously substituted, modified, and changed without departing from the technical spirit of the present invention by those skilled in the art. It is not limited to the accompanying drawings.

1 is a process chart of the first embodiment of the present invention.

2 is a process chart of the second embodiment of the present invention.

Figure 3 is an enlarged view of the expanded polystyrene foam beads before the ocher fire retardant is injected in the present invention.

In particular, since the medium (flame retardant) is a liquid, there is little energy reduction, and the yellow clay flame retardant (3) is uniformly infiltrated into the space formed between the beads and the beads of the expanded polystyrene foam (2) by dispersing by ultrasonic vibration. In the case where pinholes having a small size are formed in the densely spaced up to the inside of the expanded polystyrene foam 2 by needle punching, the ocher flame retardant 3 in the molecular state is more easily penetrated to further improve flame retardant efficiency and productivity.

5 is a block diagram of an ocher flame retardant injection device shown as an example of the present invention.

6 is a state of use of the ocher flame retardant injection device shown as an example of the present invention.

7 is a circuit block diagram of a controller shown as an example of the present invention.

<Explanation of symbols for the main parts of the drawings>

(1)-Ocherous flame retardant injection device (2)-Polyfoam polystyrene foam

(3)-ocher fire retardant (4)-support member

(5)-horizontal member (6) (6a) (6b)-roller

(7)-Conveyor (8) (10)-Power Transmission

(9)-Reduction Motor (11)-Collection

(11a)-Slope (12) (13) (14)-Level Sensor

(15)-Electric Heater (16)-Temperature Sensor

(17)-injection chamber (18)-sealing element

(19) (26)-cylinder (20)-injection tube

(21)-Pressure regulating valve (22)-High pressure pump

(23)-Elastic Pipe (24)-Filter

(25)-vertical member (27)-stopper

(28)-controller (29)-pressure gauge

(30)-valve (31)-exit tube

(32) (33)-support member (AL)-alarm

(C)-control part (D)-display part

(S)-Settings

Claims (9)

A method of impregnating ocherite flame retardant by infiltrating the inside of molded polystyrene foam, wherein the ocherite flame retardant is maintained at a temperature of 50 to 80 ° C. In the method of flame-retardant by vacuum suction of the ocher flame retardant in the molded foam polystyrene foam; High flame retardant method of foamed polystyrene foam using ocher fire retardant, characterized in that the loess flame retardant is maintained at a temperature of 50 ~ 80 ℃. The method according to claim 1 or 2; Ocher fire retardant is a weight ratio of the flame retardant and ocher is 90% ~ 70%: 10% ~ 30% by weight, the ocher is hard to foam polystyrene foam using ocher fire retardant, characterized in that the fine particles of 200 ~ 1,000 mesh Federal law. delete delete delete delete delete A plurality of rollers 6 provided at predetermined intervals between a pair of horizontal members 5 before and after; An endless type conveyor (7) installed over the entire roller (6); A reduction motor (9) and a power transmission means (8) coupled to the rotation shaft such that the roller (6a) located at one edge thereof can rotate; Tension adjusting means (10) installed on both sides of the horizontal member (5) to adjust the tension of the conveyor (7); A collection tank 11 installed below the conveyor 7 and accommodating a predetermined amount of the ocher flame retardant 3; Liquid level sensors 12 (13) (14) for detecting the upper and lower limits of the ocher flame retardant (3); A plurality of heat transfer heaters 15 installed in the collection tank 11 to maintain the ocher flame retardant 3 at a constant temperature; A temperature sensor 16 for sensing the temperature of the ocher flame retardant 3; An injection chamber 17 installed on the upper portion of the conveyor 7 and clogging the upper side and the lower side; A sealing member 18 installed at a lower edge portion of the injection chamber 17; A cylinder 19 for raising and lowering the injection chamber 17; An injection tube 20 installed in the injection chamber 17; A pressure control valve 21 connected to the middle of the injection pipe 20; An expansion pipe 23 connected between the outlet of the high pressure pump 22 and the pressure control valve 21; A filter 24 connected between the inlet of the high pressure pump 22 and the collection tank 11; A stopper 27 connected to the lower end of the cylinder 26 rod installed at the rear vertical member 25 of the horizontal member 5; Controller 28; Flame retardant device of foamed polystyrene foam using ocher fire retardant.

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