KR101289331B1 - The insulation and device for manufacture - Google Patents

Abstract

Insulating material according to the present invention is a heat insulating material comprising an endothelial formed by immersing a binder in a glass fiber mat formed in a multi-layer, wherein a first reinforcing layer for receiving the outer surface of the endothelial is formed, the first reinforcing layer is a flame retardant Is made of any one of the flame-retardant polyurethane resin or melamine resin mixed with the polyol and isocyanate included, characterized in that the first cover layer is formed to accommodate the outer surface of the first reinforcing layer.
Insulating material comprising an endothelial is formed by immersing a binder in a glass fiber mat formed of a multi-layer, wherein a second reinforcing layer is grounded to the inner surface of the endothelial is formed, the second reinforcing layer is mixed with a polyol and isocyanate containing a flame retardant It is made of either flame retardant polyurethane resin or melamine resin, characterized in that the second cover layer for receiving the outer surface of the endothelial is formed.
Therefore, since the first and second reinforcement layers made of any one of flame-retardant polyurethane resin or melamine resin are formed inside or outside the endothelium, the first and second reinforcement layers together with the endothelial are insulated, thereby improving the thermal insulation performance of the insulation. Exert.

Description

The insulation and device for manufacture

The present invention relates to a heat insulating material and a method for manufacturing the same, and in particular a heat insulating material and a method of manufacturing the cover layer is formed on the outer surface of the endothelial and the reinforcing layer is formed on the inner skin is formed by immersing the binder in a glass fiber mat formed in a multi-layer. It is about.

In general, pipes such as cooling and heating facilities of power generation and petrochemical plants, cooling and heating facilities of industrial equipment, cooling and heating facilities of various manufacturing equipment, and heating and cooling facilities of air conditioning equipment are used for insulating materials of various sizes and materials. Insulation materials (hereinafter referred to as 'insulation materials') are installed to block heat exchange with the outside through the pipe to achieve energy savings and cost reduction.

In general, glass fibers have a high heat resistance and are not burnt and have low water absorption and hygroscopicity. Therefore, the heat insulating material can be chemically Has durability, and has characteristics of excellent tensile strength and electrical insulation.

The above-mentioned heat insulating material is formed by winding a glass fiber mat in multiple layers, and each glass fiber mat is produced as a single heat insulating material by being bonded to each other by a binder coated on the surface thereof.

However, the glass fiber, which is the raw material of the insulation material, has a melting point of about 700 ° C and can withstand high temperatures. However, the binder used when the glass fiber is manufactured as an insulation material is easily burned at a high temperature or the adhesive strength of the adhesive deteriorates, thereby completing the binder process. Insulation material has been disadvantaged that the function of heat insulation, cold insulation is not properly maintained.

Therefore, in order to maintain the function of heat insulation and cold insulation to use for thermal insulation, there is an urgent need for a technology for manufacturing high quality heat insulation.

An object of the present invention devised to solve the above problems, by forming a reinforcing layer is formed on the endothelium is formed by immersing a binder in a glass fiber mat formed in a multi-layer and forming a heat insulating material that the cover layer is formed outside the endothelium and the reinforcement layer It is to provide a heat insulating material and a method of manufacturing the same to improve the water repellency while the reinforcing layer improves the heat insulating performance of the heat insulating material while the cover body makes the appearance of the heat insulating material beautiful.

The above object is achieved by the following constitutions provided in the present invention.

Insulating material according to the present invention is a heat insulating material comprising an inner skin formed by immersing a binder in a glass fiber mat formed in a multi-layer, wherein a second reinforcing layer is grounded to the inner surface of the endothelial is formed, the second reinforcing layer is a flame retardant Is made of any one of the flame-retardant polyurethane resin or melamine resin mixed with the polyol and isocyanate contained, characterized in that the second cover layer is formed to accommodate the outer surface of the endothelial.

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In addition, the flame-retardant polyurethane resin constituting the second reinforcing layer is characterized in that 30 to 40 parts by weight of isocyanate is mixed with respect to 100 parts by weight of polyol containing 10 to 20 parts by weight of a flame retardant.

In addition, the second cover layer is formed by coating any one of the group consisting of Teflon, silver powder, silicon, aluminum on the glass fiber fabric or one of the group consisting of Teflon, silver powder, silicon on the silica fabric It characterized in that the coating is made.

Insulation drying method using the above configuration, the outer periphery of the release agent-coated pipe to the outer periphery so that the pipe is spaced apart from the inner periphery of the manufactured endothelial and the pipe to maintain the spaced state between the pipe and the endothelial A first step of fixing the guide jig on both sides of the endothelium; A second step of forming a second reinforcing layer by forming an injection hole penetrating the endothelial in a vertical direction and injecting one of a flame retardant polyurethane resin or a melamine resin into the injection hole; When the second reinforcing layer is hardened to form a second reinforcing layer by the inner circumference of the endothelial to remove the pipe and the guide jig to cut to fit the use; And a fourth step of adhering the second cover layer to the outer circumference of the cut endothelial by using a known adhesive means.

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Prepare the upper and lower molds formed by dividing the cavity in the same manner as the shape of the heat insulator and insert the endothelial with the injection hole formed into the cavity of the lower mold, and introduce the pipe into the inner end of the inner end, and the outer periphery of the pipe is endothelial. Fixing the pipe and the endothelial so as to be spaced apart from the inner circumference of the first step; A second step of forming a second reinforcing layer by injecting one of the flame retardant polyurethane resin or melamine resin into the cavity by joining the upper mold to the lower mold when the endothelium and the pipe are fixed to the lower mold; A third step of removing the upper reinforcing mold from the upper and lower molds when the second reinforcing layer is cured to form a second reinforcing layer at an inner circumference of the endothelium; And a fourth step of adhering the second cover layer to the outer circumference of the cut endothelial by using a known adhesive means.

According to the present invention, since the first and second reinforcement layers made of any one of flame retardant polyurethane resins and melamine resins are formed inside or outside of the endothelium, the first and second reinforcement layers together with the endothelium are thermally insulated to provide double insulation. There is an effect of improving the thermal insulation performance.

In addition, since the main material of the first and second reinforcement layers is made of either flame retardant polyurethane resin or melamine resin, it is cheaper than glass fiber mat, which is the main material of the inner skin, and it is easy to manufacture without requiring other processes such as binder process. The cost of production is reduced and mass production is easy.

In addition, since the first and second cover layers coated with the material having a heat insulating effect on the glass fiber fabric and the silica fabric surround the outer shape of the heat insulating material, the water repellent performance of the heat insulating material is improved and the appearance of the heat insulating material is beautiful. It has the effect of finishing.

1 is a cross-sectional view showing a preferred embodiment of the heat insulating material according to the first aspect of the present invention.
2 is a cross-sectional view showing a preferred embodiment of the heat insulating material according to the second aspect of the present invention;
(A), (b) is sectional drawing which shows the preferable form of the heat insulating material which concerns on another form,
4 (a) and 4 (b) are sectional views showing the preferred form of the heat insulating material according to still another embodiment;
5 (a), (b), (c) and (d) are exemplified diagrams illustrating a manufacturing form of a heat insulating material in which a first reinforcement layer and a first cover layer according to the first embodiment are formed;
6 (a), 6 (b), 6 (c) and 6 (d) are exemplary views showing a manufacturing form of the heat insulating material in which the second reinforcement layer and the second cover layer according to the first embodiment are formed;
7 is an exemplary view showing a manufacturing form of a heat insulating material in which a first reinforcement layer and a first cover layer are formed according to an example of the second embodiment;
8 is an exemplary view showing a manufacturing form of a heat insulating material in which a second reinforcement layer and a second cover layer are formed according to the second embodiment.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

1 is a cross-sectional view showing a preferred form of the heat insulating material according to the first aspect of the present invention, Figure 2 is a cross-sectional view showing a preferred form of the heat insulating material according to the second aspect of the present invention, the heat insulating material according to the present invention is generally It is installed in pipe (B) such as cooling and heating facilities of power generation and petrochemical plants, cooling and heating facilities of industrial equipment, cooling and heating facilities of various manufacturing equipment, and cooling and heating equipment of air conditioning equipment, Configured to block.

To this end, it is characterized in that the reinforcing layer and the cover layer is further configured in the endothelial (10) formed by immersing a binder in a glass fiber mat formed in a multi-layer, more specifically, the reinforcing layer and the cover layer is different in the endothelial It is composed.

In the heat insulating material according to the first aspect, a first reinforcing layer 20a is formed to accommodate the outer surface of the inner shell 10, and the first reinforcing layer 20a is a flame retardant polyurethane mixed with a polyol and an isocyanate containing a flame retardant. It consists of either resin or melamine resin. In addition, the first cover layer 30a is formed to accommodate the outer surface of the first reinforcing layer 20a.

In the heat insulating material according to the second aspect, a second reinforcing layer 20b which is grounded on the inner surface of the inner shell 10 is formed, and the second reinforcing layer 20b is a flame retardant poly with a polyol and an isocyanate mixed with a flame retardant. It is made of either urethane resin or melamine resin. In addition, the second cover layer 20b is formed to accommodate the outer surface of the endothelial 10.

Therefore, the first and second reinforcing layers 20a and 20b are formed inside or outside the endothelium 10, so that the first and second reinforcing layers 20a and 20b are insulated together with the endothelium 10 to insulate the heat insulating performance. It will have the effect of improving.

In addition, the flame-retardant polyurethane resin and melamine resin, which are the main materials of the first and second reinforcing layers 20a and 20b, are cheaper than the glass fiber mat, which is the main material of the endothelium 10, but the first and second reinforcing layers 20a and 20b. Compared with the endothelial 10, other processes such as a binder process are not required, and the manufacturing is simple, so that the production cost is reduced and mass production is easy.

On the other hand, according to the drawings, the heat insulating material of the present invention is shown as a circular cross section, but it is known that the graft can be grafted in various forms such as elbows and semicircles as in the conventional heat insulating material.

Here, as shown in FIGS. 3 (a), (b) and 4 (a), (b), the endothelium 10 and the first and second reinforcement layers 20a and 20b constituting the heat insulating material of the present invention are semicircular, respectively. Formed and attached in a circular shape, by forming a portion of the endothelial 10 and the first and second reinforcing layers (20a, 20b) to be attached to the horizontal line to maximize the thermal insulation effect of the insulation.

Here, the flame-retardant polyurethane resin forming the first and second reinforcing layers 20a and 20b is preferably mixed with 30 to 40 parts by weight of isocyanate relative to 100 parts by weight of a polyol containing 10 to 20 parts by weight of a flame retardant.

The reason for limiting the flame retardant to 10 to 20 parts by weight relative to 100 parts by weight of polyol is that when the content is less than 10 parts by weight, the flame retardant is insufficient due to the lack of the content of the flame retardant. This can cause deformation of inherent physical properties.

In addition, the reason for mixing 30 to 40 parts by weight of isocyanate relative to 100 parts by weight of polyol is to control the curing of the flame-retardant polyurethane resin to prepare the first, second reinforcing layers (20a, 20b) in a soft, semi-rigid, hard state to insulate This is to improve the thermal insulation by modifying the state of the first and second reinforcement layer according to the climate in which it is constructed.

Meanwhile, the first and second cover layers 30a and 30b may be formed by coating any one of a group consisting of Teflon, silver powder, silicon, and aluminum on a glass fiber fabric (GC, Glass Cloth) or silica fabric (Silica). Cloth) is preferably formed by coating any one of the group consisting of Teflon, silver powder, silicon.

Therefore, the first and second cover layers (30a, 30b) coated with a material having a heat insulating effect on the glass fiber fabric and silica fabric wrap the outer shape of the heat insulating material to improve the water repellent performance of the heat insulating material and at the same time the appearance of the heat insulating material This will have the effect of finishing beautifully.

The thickness of the first and second cover layers 30a and 30b varies in proportion to the total thickness of the heat insulator, but the thickness of the first and second cover layers 30a and 30b is preferably 0.2 to 2.8 mm to improve the water repellent performance. It is preferable that the thickness of the 1st, 2nd cover layer 30a, 30b which consists of these is 20-100 micrometers.

Here, as illustrated in FIGS. 5 to 8, the heat insulating material manufacturing method according to the first and second embodiments is configured using the above configuration.

First, as shown in FIGS. 5A, 5B, 3C, and 1D, a heat insulating material in which the first reinforcement layer 20a and the first cover layer 30a are formed, according to the first embodiment. Looking at the way,

The endothelial 10 is accommodated in the pipe B so that the outer circumferential edge of the manufactured endothelial 10 is spaced apart from the inner circumferential edge of the pipe B, and the inner circumferential edge of the pipe B is spaced apart from the outer circumferential edge of the endothelium 10. A first step of fixing with a guide jig (G) on both sides of the pipe (B) and the endothelium (10) to maintain the state.

The outer periphery of the endothelial (10) is formed in the inlet hole (H) which is vertically penetrated in the pipe (B) so as to be connected to the portion spaced apart from the inner periphery of the pipe (B) and the flame-retardant poly A second step of forming a first reinforcing layer (20a) by injecting any one of the urethane resin or melamine resin.

When the first reinforcing layer 20a, which has undergone the second step, is solidified and cured, and thus the first reinforcing layer 20a is formed at the outer circumference of the endothelium 10, the pipe B and the guide jig G are separated to suit the purpose. A third step of cutting is included.

The outer periphery of the first reinforcing layer 20a having passed through the third step is a fourth step of adhering the first cover layer 30a using a known adhesive means.

6 (a), (b), (c), as shown in (d) manufacturing method of the heat insulating material in which the second reinforcing layer 20b and the second cover layer 30b according to the first embodiment are formed Looking at it,

The outer periphery of the pipe (B) coated with the release agent to the outer periphery is accommodated in the endothelial (10) and the outer periphery and endothelial of the pipe (B) so as to be spaced apart from the inner periphery of the produced endothelial (10) In order to maintain the spaced state of the inner periphery of 10) includes a first step of fixing with a guide jig (G) on both sides of the pipe (B) and the endothelium (10).

An injection hole 10h penetrates the endothelial 10 in a vertical direction so as to be connected to a spaced portion between the outer circumference of the pipe B and the inner circumference of the endothelium 10 and forms a flame-retardant poly with the injection hole 10h. A second step of forming a second reinforcing layer 20b by injecting any one of the urethane resin or melamine resin.

When the second reinforcing layer 20b that has passed through the second step is solidified and hardened to form a second reinforcing layer 20b by the inner circumference of the endothelium 10, the pipe B and the guide jig G are separated to suit the purpose. A third step of cutting is included.

The outer periphery of the endothelial 10 is cut according to the use is made of a fourth step of adhering the second cover layer (30b) using a known bonding means.

And looking at the manufacturing method of the heat insulating material in which the first reinforcing layer 20a and the first cover layer 30a according to the second embodiment as shown in FIG.

Prepare the upper and lower molds (40, 50) formed by dividing the cavity in the same manner as the shape of the heat insulating material to be manufactured, and the draw-in fixing the pre-made endothelial (10) to be spaced apart from the cavity of the lower mold (50) Step 1 is included.

When the endothelial 10 is fixed to the lower mold by the first step, the upper mold 40 is joined to the lower mold 50 so that the cavity formed in the upper and lower molds 40 and 50 has an outer circumference of the endothelial 10. A second step of forming a first reinforcing layer (20a) by injecting any one of the flame-retardant polyurethane resin or melamine resin into the cavity at the same time spaced apart.

When the first reinforcing layer 20a is solidified and cured, and the first reinforcing layer 20a is formed at the outer circumference of the endothelium 10, a third step of extracting the upper reinforcing layer 20 and 50 from the lower molds 40 and 50 according to the use is performed. Included.

The outer periphery of the first reinforcing layer 20a cut according to the use is a fourth step of adhering the first cover layer (30a) using a known bonding means.

As shown in FIG. 8, a method of manufacturing a heat insulator in which a second reinforcement layer 20b and a second cover layer 30b are formed will be described.

The upper and lower molds 40 and 50 formed by dividing the cavity in the same manner as the shape of the heat insulating material to be prepared are prepared and pre-fabricated in the cavity of the lower mold 50 to form the injection hole 10h. In the first and the pipe (B) is introduced into the inside of the endothelial (10), the first fixing the pipe (B) and the endothelial 10 so that the outer periphery of the pipe (B) is spaced apart from the inner periphery of the endothelial (10) Steps are included.

When the endothelium 10 and the pipe B are fixed to the lower mold 50 by the first step, the upper mold 40 is joined to the lower mold 50 and any one of the flame-retardant polyurethane resin or melamine resin is used as a cavity. The second step of forming a second reinforcing layer (20b) by the injection hole (10h) formed in the endothelial 10 to the spaced apart portion of the outer periphery of the pipe (B) and the inner periphery of the endothelial 10 do.

When the second reinforcing layer 20b is solidified and hardened, the second reinforcing layer 20b is formed at a portion separated from the outer circumferential edge of the pipe B and the inner circumferential edge of the endothelium 10, and the upper and lower molds 40 and 50. The third step is taken out from the cutting to suit the purpose.

And a fourth step of adhering the second cover layer 30b to the outer circumference of the endothelial 10 cut according to the use by using a known adhesive means.

10: endothelial 10h: injection hole
20a: first reinforcing layer 20b: first reinforcing layer
30a: first cover layer 30b: second cover layer
B: Piping (B) H: Inlet Hole
G: guide jig

Claims (9)

delete In the heat insulating material comprising an inner skin formed by immersing a binder in a glass fiber mat formed in a multilayer,
A second reinforcing layer 20b is formed on the inner surface of the inner shell 10, and the second reinforcing layer 20b is formed of any one of a flame retardant polyurethane resin or melamine resin mixed with a polyol and an isocyanate containing a flame retardant. ,
Insulation material, characterized in that the second cover layer (30b) for receiving the outer surface of the endothelial (10) is formed. The method of claim 2,
The endothelial 10 and the second reinforcing layer 20b are formed in a semicircle, respectively, and are attached in a circular shape, and the insulation of the endothelial 10 and the second reinforcing layer 20b to be attached is formed on the horizontal line. . The method of claim 2,
The flame-retardant polyurethane resin constituting the second reinforcing layer (20b) is characterized in that 30 to 40 parts by weight of isocyanate is mixed with respect to 100 parts by weight of polyol containing 10 to 20 parts by weight of a flame retardant. The method of claim 2,
The second cover layer 30b is formed by coating any one of the group consisting of Teflon, silver powder, silicon, aluminum on the glass fiber fabric or any one of the group consisting of Teflon, silver powder, silicon on the silica fabric Insulation, characterized in that the coating is made of a group. In the method of manufacturing the heat insulating material using any one of claims 2 to 5,
The pipe (B) is accommodated in the endothelial 10 so that the outer periphery of the pipe (B) coated with the release agent with the outer periphery is spaced from the inner periphery of the manufactured endothelial (10) and the pipe (B) and the endothelial (10) A first step of fixing with a guide jig (G) on both sides of the pipe (B) and the endothelium 10 to maintain the spaced state;
A second step of forming a second reinforcing layer 20b by forming an injection hole 10h penetrating in the vertical direction in the endothelium 10 and injecting either flame retardant polyurethane resin or melamine resin into the injection hole 10h; ;
When the second reinforcing layer (20b) is cured to form a second reinforcing layer (20b) by the inner circumference of the endothelial (10) the third step of leaving the pipe (B) and the guide jig (G) to cut according to the use;
And a fourth step of adhering the second cover layer (30b) using a known adhesive means to the outer circumference of the cut endothelial (10). In the method for producing a heat insulator using any one of claims 2 to 5,
Prepare the upper and lower molds 40 and 50 formed by dividing the cavity in the same manner as the shape of the heat insulator, and introduce the endothelium 10 in which the injection hole 10h is formed by being manufactured in the cavity of the lower mold 50. A first step of introducing the pipe (B) into the inside of the endothelial (10) and fixing the pipe (B) and the endothelial (10) so that the outer periphery of the pipe (B) is spaced apart from the inner periphery of the endothelial (10);
When the endothelial 10 and the pipe (B) is fixed to the lower mold 50, the upper mold 40 is joined to the lower mold 50 to inject any one of the flame-retardant polyurethane resin or melamine resin into the cavity. Forming a reinforcing layer 20b;
When the second reinforcing layer (20b) is cured to form a second reinforcing layer (20b) to the inner circumference of the endothelial (10), the third step of taking out from the upper, lower mold (40, 50) to cut to fit;
And a fourth step of adhering the second cover layer (30b) using a known adhesive means to the outer circumference of the cut endothelial (10). delete delete

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