KR101275596B1 - Method for manufacturing non-woven hard board for building, floor device for building and floor construction structure of building - Google Patents

Abstract

PURPOSE: A manufacturing method of a nonwoven fabric hardboard is provided to maximize the heating effects and include excellent sound absorption performance and excellent heating insulation performance by improving the volume and elasticity in a nonwoven fabric web. CONSTITUTION: A manufacturing method of a nonwoven fabric hardboard(10) for construction comprises the following process. A fiber is cut and is wrapped in order to form a nonwoven sheet in which a web is formed. The nonwoven sheet passes through in the air current and is punched by a needle in order to form a nonwoven fabric felt. The nonwoven fabric felt is preheated and passes through a belt press so that the nonwoven fabric hardboard is manufactured. A floor member comprise the nonwoven fabric hardboard in which a rectangular groove(15) is formed and a rectangular pipe unit(20).

Description

TECHNICAL FIELD OF MANUFACTURING NON-WOVEN HARD BOARD FOR BUILDING, FLOOR DEVICE FOR BUILDING AND FLOOR CONSTRUCTION STRUCTURE OF BUILDING}

The present invention relates to a method of manufacturing a nonwoven fabric hardboard for construction, building flooring and the floor construction structure of a building including the same, and more particularly has improved sound volume and elasticity, etc. The present invention relates to a method of manufacturing a nonwoven fabric hard board for increasing smoothness, and to an energy-saving building flooring material having excellent sound absorption and thermal insulation, and a floor construction structure of a building including the same.

Nonwoven fabrics are commonly used as interior materials for buildings. Nonwoven fabrics are advantageous in sound absorption, thermal insulation, and the like that prevent interlayer noise compared to plywood, gypsum board, and the like.

For example, Korean Patent Publication No. 10-2001-0084426 [Previous Patent Document 1], a high melting point polyester yarn, a low melting point polyester yarn having a lower melting point than the high melting point polyester yarn is mixed in a constant content, preheating and cold Disclosed is a polyester fiber plate (nonwoven fabric) configured by repeated compression. In addition, the Republic of Korea Utility Model Registration No. 20-0371495 [Prior Patent Document 2] is a sheath-core composite yarn produced by simultaneously spinning polyester fibers, low melting polyester fibers, optionally polypropylene fibers or heteropolymer materials A sound absorbing board is disclosed, which is formed by needle punching a mat of material, preheating, pressing with a roller to form a board, and treating the board with a flame retardant.

However, it has been pointed out that the nonwoven board according to the prior art as described above has a weak strength and durability, the nonwoven web is easily separated, and the sound absorption is greatly reduced.

To this end, the present applicant (inventor) in manufacturing the Republic of Korea Patent No. 10-0944220 [prior patent document 3] nonwoven board (panel), through the carding (carding) and cross-lapping (cross-lapping) After forming the nonwoven web, the needle punching and preheating, followed by compression manufacturing with a pressure roller, irregular web is fixed in a three-dimensional structure fixed sound absorption and insulation The nonwoven board (panel) which improved heat insulation etc. and its manufacturing method were proposed.

However, the manufacturing method disclosed in the prior patent document 3 has a disadvantage in that the volume and elasticity of the nonwoven webs are reduced due to the nonwoven webs being laminated to each other in a forming process of the nonwoven webs, that is, cross-lapping. There was this. In addition, needle punching and preheating were pressed with a pressure roller, but in this case, the surface was not smooth, and it was somewhat difficult to apply, especially as a building flooring.

In addition, in constructing a floor of a conventional building, generally, an interlayer material such as styrofoam is installed on a floor slab, a lightweight steel frame is installed thereon, and an Excel pipe for hot water supply is laid thereon, and then again thereon. After pouring and curing mortar (30mm), it is finally constructed by laminating finishing materials such as slate and monolium.

However, the conventional floor construction structure as described above, due to the laminated structure of the light steel frame + Excel pipe + mortar, the thickness of the floor, as well as the construction period takes a long time and the sound absorption (interlayer sound insulation) is low. In particular, the heat loss is generated in the process of cutting the heat through the excel pipe supplied with hot water is about 20 to 30%, there is a problem that the heating efficiency is low and consumes a lot of energy.

Republic of Korea Patent Publication No. 10-2001-0084426 Republic of Korea Utility Model Registration No. 20-0371495 Republic of Korea Patent No. 10-0944220

Thus, the present invention improves the volume and elasticity through the improvement of the manufacturing process has excellent sound absorption and thermal insulation insulation, etc., and with this method of manufacturing a nonwoven fabric for construction hard boards that can increase the surface smoothness, and sound absorption and thermal insulation thermal insulation The purpose of the present invention is to provide an energy saving type building flooring material, and a floor construction structure of the building including the same.

The present invention to achieve the above object,

Carding and wrapping the fibers to obtain a web-formed nonwoven sheet;

Passing the nonwoven sheet through an air stream;

Needle punching the nonwoven sheet passed through the air stream to obtain a nonwoven felt;

Preheating the nonwoven felt; And

Passing the preheated nonwoven felt through a belt press (belt press), the manufacturing method of the building nonwoven hardboard comprising a step of obtaining a nonwoven hardboard having a thickness of 9mm to 15mm, weight 2,000 ~ 3,000g / ㎡ To provide.

Further, according to the present invention,

Nonwoven hardboard;

A square groove formed in the nonwoven hard board; And

It is inserted into the square groove, and provides a building flooring comprising a square pipe unit is supplied with hot water.

At this time, the square pipe unit, a square pipe body to which hot water is supplied; And a fastening part formed at an end of the square pipe body. And the non-woven hard board is manufactured through the manufacturing method of the present invention as described above, it is preferable to have a high density of 9mm ~ 15mm thickness and 2,000 ~ 3,000g / ㎡ weight.

Further, according to the present invention,

Floor structure;

An interlayer installed on the floor structure;

Building flooring according to the present invention installed on the interlayer; And

It provides a floor construction structure of the building including a finish laminated on the floor.

According to the present invention, the volume and elasticity of the nonwoven web (web) is improved by the carding process through the air stream, and has excellent sound absorption and thermal insulation insulation. In addition, the surface smoothness is increased by a high pressure compression process through a belt press, and thus the density is increased, which is useful as a building flooring material. In addition, according to the present invention, while maximizing the heating effect while achieving excellent sound absorption (interlayer sound insulation) and thermal insulation, significantly reduces energy.

1 is a manufacturing process chart for explaining a method for manufacturing a nonwoven fabric hardboard for construction according to the present invention.
2 is a perspective configuration diagram of a building flooring material according to an exemplary embodiment of the present invention.
3 is an exemplary cross-sectional view of a square pipe unit constituting the building flooring according to the present invention.
Figure 4 is a cross-sectional view showing an exemplary form of the building floor construction structure according to the present invention.

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

First, with reference to Figure 1 will be described a method of manufacturing a building nonwoven hard board according to the present invention.

The manufacturing method of the nonwoven fabric hard board for construction according to the present invention (hereinafter, abbreviated as 'manufacturing method') is Korean Patent No. 10-0944220 (hereinafter, referred to as 'prior patent') proposed by the present applicant (inventor). The process of.) Is improved and includes the opening process through the air stream and the high pressure pressing process through the belt press. Accordingly, according to the manufacturing method of the present invention, the volume and elasticity of the nonwoven web (web) is improved by the opening process through the air stream to improve sound absorption and thermal insulation, etc., the belt press (belt press) The surface smoothness is increased by the high pressure compression process through. Densification is also achieved. Accordingly, it is usefully used as a building flooring material.

The manufacturing method according to the present invention, the first step of obtaining a nonwoven fabric sheet having a web (web), the second step of passing the nonwoven fabric sheet through an air stream, needle punching the nonwoven fabric sheet passed through the air stream non-woven felt ( a third step of obtaining a pelt), a fourth step of preheating the nonwoven felt, and a fifth step of passing the preheated nonwoven felt through a belt press.

At this time, the manufacturing method according to the present invention, some of the steps include the contents of the prior patent set forth by the applicant (the inventor). For example, the step of obtaining the nonwoven fabric sheet (first step), the needle punching step (third step), the preheating step (fourth step), and the like may be the case. Each step will be described as follows.

First, a nonwoven fabric sheet on which a web is formed is obtained. Such a nonwoven sheet can be obtained through a known method, for example, the method set forth in the preceding patent. At this time, the fibers constituting the nonwoven fabric sheet are not limited. The fibers may be selected from artificial and synthetic fibers and the like. Fibers may include, for example, polyester fibers, viscose rayon fibers, and the like, and these may be mixed. The fiber may include, for example, 30 to 70% by weight of polyester fiber and 30 to 70% by weight of sheath-core polyester low temperature fusion fiber. At this time, the sheath-core type has a dual structure including a core made of polyester and a sheath made of a low temperature fusion polyester material, wherein the sheath is, for example, 130 ° C. or less, more specifically, for example, 100 to 130 ° C. It may be selected from those having a low melting point. Such low melting sheath is not limited as long as the fibers can be heat-sealed.

The fibers are processed in a conventional manner to obtain a nonwoven sheet having a fibrous web. That is, the fibers are carded and wrapped to form a fibrous web. For example, a fiber web may be formed by mixing and carding through a conventional apparatus, more specifically carding machine 210 shown in FIG. 1, and then cross-lapping through wrapper 220. You can do that. At this time, the non-woven fabric sheet is adjusted to the density of the fiber, 2,000 ~ 3,000g / ㎡ Have weight. In this weight range, it is later densified by high pressure compression, it can be usefully used as a building flooring. And it is good to make the thickness of a nonwoven fabric sheet about 10 cm-35 cm.

Next, the nonwoven fabric sheet formed with the web as described above is passed through an air stream to open. That is, the web is arranged in a three-dimensional structure by finely opening the sheet once more by a method of imparting air flow to the nonwoven fabric sheet (method of blowing cotton with air stream). At this time, the nonwoven web (web) is erected by the air stream to improve the volume and elasticity. Such an opening process can be carried out through the air airflow chamber 230 as illustrated in FIG. 1. In Fig. 1, reference numeral 232 denotes an air stream. This air stream 232 may be supplied to the top and bottom of the nonwoven sheet within the chamber 230. At this time, the web (web) through the air stream 232 as described above, the weight is 2,000 ~ 3,000g / ㎡, the thickness of 15cm ~ 45cm nonwoven fabric sheet is obtained.

After opening through the air stream 232 as above, the nonwoven sheet is needle punched to obtain a nonwoven felt. This can be done through the needle puncher 240 as illustrated in FIG. In FIG. 1, reference numeral 242 denotes a needle. At this time, the nonwoven fabric sheets having a weight of 2,000 to 3,000 g / m 2 and a thickness of 15 cm to 45 cm are needle-punched at upper and lower portions to obtain a nonwoven felt having a thickness of about 15 mm to 25 mm.

Thereafter, the nonwoven felt is preheated. This preheating may, for example, proceed through the hot air chamber 260 as illustrated in FIG. 1. Preheating, Preferably it is 180-200 degreeC using hot air flow. At this time, if the preheating temperature is too low, less than 180 ℃ it is difficult to soften the surface may reduce the surface smoothness during the pressing process. If the preheating temperature is too high, the molten foreign material may be attached to the belt press during the pressing process, and the porosity may be lowered by the thermal melting, which may adversely affect sound absorption or thermal insulation.

As described above, after preheating, the non-woven hard board 10 is manufactured by pressing through the belt press 270 and compressing at high pressure. By high pressure compression through the belt press 270, the surface smoothness of the nonwoven hard board 10 is increased. At this time, the belt press 270 may be made of a material such as Teflon (Teflon).

In addition, through the belt press 270, it is preferable to press at a high pressure of 300 tons (middle) per unit area (m 2) in the upper and lower portions of the nonwoven fabric felt in the process of high pressure bonding. More specifically, it is good to crimp by the pressure of 300-500 tons (middle). At this time, when the pressure of the belt press 270 is less than 300 tons (middle), it may be difficult to implement the good surface smoothness desired in the present invention, if the pressure exceeds 500 tons (middle) non-woven hard board (10) ), The porosity of the () may be lowered sound absorption or insulation thermal insulation. In addition, through the high-pressure compression through the belt press 270 as described above, the thickness of 9mm ~ 15mm, the weight is produced to be a high-density nonwoven hard board 10 of 2,000 ~ 3,000g / ㎡.

According to the manufacturing method of the present invention described above, first, by the opening process through the air stream 232, the non-woven web (web) is not laid down but arranged upright to improve the volume and elasticity of the three-dimensional structure, etc. do. Thereby, sound absorption, heat insulation, heat insulation, etc. are improved. In addition, by the high-pressure pressing process through the belt press 270, the surface smoothness is increased while being densified, thereby easily manufacturing the non-woven hard board 10 having a high density / flat structure that can be usefully used as a building flooring material.

In addition, the production method according to the present invention may further include, in addition to the above process, optionally a flame retardant step of spraying a flame retardant on a nonwoven fabric felt or a dyeing step of spraying a color pigment. In this case, in FIG. 1, reference numeral 252 denotes a flameproof liquid injector for a flameproof process, and reference numeral 254 denotes a pigment injector for a dyeing process. Reference numeral 256 denotes a drier for drying the flame retardant or pigment.

Hereinafter, with reference to FIGS. 2 to 4 will be described building flooring according to the present invention, and building floor construction structure comprising the same. 2 is a perspective configuration diagram of a building flooring according to an exemplary embodiment of the present invention, and FIG. 3 is an exemplary cross-sectional view of a square pipe unit constituting the building flooring according to the present invention. And Figure 4 is a cross-sectional view showing an exemplary form of the building floor construction structure according to the present invention.

First, referring to FIGS. 2 and 3, the building flooring material according to the present invention is inserted into a nonwoven fabric hard board 10, a square groove 15 formed in the nonwoven fabric hard board 10, and the square groove 15. And a square pipe unit 20.

At this time, the non-woven hard board 10 preferably has a thickness of 9mm ~ 15mm and a weight of 2,000 ~ 3,000g / ㎡. The nonwoven hard board 10 is more preferably manufactured by the manufacturing method according to the present invention so as to have a high density, good volume and elasticity, and excellent surface smoothness.

The square groove 15 is inserted into the square pipe unit 20, which may be formed in the nonwoven fabric hard board 10, one or more than two with a predetermined gap. 2 illustrates that two rectangular grooves 15 are formed in the nonwoven hard board 10. The method of forming the square groove 15 is not limited and may be formed, for example, through a cutting machine.

In addition, the square groove 15 may have a cross-sectional shape of the letter "c" or "ㅁ". Specifically, the square groove 15 has a “c” shape with one surface open, and may be formed along the length (or width) direction of the nonwoven fabric hard board 10 as shown in FIG. 2. In addition, the square groove 15 may have a “ㅁ” shape and may be formed to penetrate the inside of the nonwoven fabric hard board 10 along a length (or width) direction.

The square pipe unit 20 is inserted into the square groove 15, and the hot water is supplied to the square pipe unit 20 after being installed in the building. Hot water is supplied to the square pipe unit 20 from, for example, a hot water supply pipe 104 (see FIG. 4) such as a small boiler 105 (see FIG. 4).

In addition, the square pipe unit 20 has a fastening structure. Specifically, the square pipe unit 20 includes a square pipe body 22 to which hot water is supplied, and a fastening portion 24 formed at an end of the square pipe body 22. In this case, the fastening part 24 is not limited as long as it can be freely assembled with the fastening part 24 of another adjacent square pipe unit 20. The fastening portion 24 may be selected from, for example, a male and female structure. 2 and 3, the fastening part 24 is an extension part 24a formed at one end of the square pipe body 22 and an extension part 24a formed at the other end thereof. It may include a fitting portion (24b) that is fitted to fit.

In addition, the fastening portion 24 is provided with a packing material (P) for preventing the leakage of hot water. The packing material P may be one having a sealing property, which may be selected from, for example, silicone or rubber material.

Building flooring according to the present invention is a set comprising a non-woven hard board 10 is formed with a square groove 15 as described above, and a square pipe unit 20 for supplying hot water, which is a plurality of floors It is assembled with a dog and maximizes a heating effect, while achieving excellent sound absorption (interlayer sound insulation) and thermal insulation insulation.

In addition, the building floor construction structure according to the present invention includes a building flooring material according to the present invention. 4 illustrates a building floor construction structure in accordance with an exemplary form of the present invention.

Referring to FIG. 4, the building floor construction structure according to the present invention includes a floor structure 101, an interlayer material 102 installed on the floor structure 101, a floor material installed on the interlayer material 102, and the flooring material. And a finish 103 laminated onto it.

At this time, the floor structure 101 and the interlayer 102 is as usual. The floor structure 101 is a concrete structure, which may be ground in the case of the first floor, but may be a slab in the case of two or more floors. And the interlayer material 102 is for preventing or insulating the interlayer noise, which may be selected from styrofoam or the like as usual.

The flooring installed on the interlayer 102 is composed of the building flooring of the present invention as described above. That is, as the flooring material, the nonwoven hard board 10 and the square pipe unit 20 as described above are assembled. At this time, as shown in Figure 4, a plurality of non-woven hard board 10 may be installed on the interlayer material (102). The hot water is supplied to the square pipe unit 20 through the hot water supply pipe 104 of the small boiler 105.

In addition, the finish 103 is laminated on the top of the flooring material, that is, the top of the nonwoven hard board 10. Finishing material 103 may be selected from the usual sheet or monolium or the like. 4, reference numeral W denotes a wall of a building.

Building flooring according to the present invention and the building construction including the same may be usefully applied to, for example, apartments, detached houses and villas. And the building flooring and the building construction structure including the same according to the present invention has the following effects.

First, the nonwoven hard board 10 provides a smooth bottom surface while achieving excellent sound absorption (interlayer sound insulation) and thermal insulation. Specifically, by the opening process through the air stream 232 and the high pressure pressing process through the belt press 270, the nonwoven fabric hard board 10 has a high density while improving the sense of volume and elasticity, and excellent surface smoothness This ensures a smooth bottom surface while achieving excellent sound absorption (interlayer insulation) and thermal insulation.

In addition, since the square pipe unit 20 to which hot water is supplied has a square shape instead of the same round shape as before, the heat transfer area is increased to realize excellent heating efficiency.

It is also energy saving. That is, the thermal insulation of the nonwoven fabric hard board 10 and the heating efficiency of the square pipe unit 20 are maximized, thereby greatly reducing energy. More specifically, when the small boiler 105 is operated at the time of heating, by heating the hot water through the square pipe unit 20 having a larger heat transfer area than the round pipe, the floor warms up quickly and a non-woven fabric having a low thermal conductivity. Due to the nature of the hard board 10 does not cool quickly increases the energy efficiency.

In addition, in the floor construction structure, the structure of the conventional Excel pipe + mortar can be replaced by one non-woven hard board, thereby reducing the height of the floor (about 70 to 80 mm per layer). And for example, building a 30-story apartment will have the effect of building about one more floor. In addition, the curing time of the conventional lightweight steel + mortar takes about one week, the construction period can be significantly shortened by eliminating this process.

In addition, the interlayer materials used for conventional building flooring are styrofoam-based, but it is difficult to catch the heavy weights of low frequency bands, although it is possible to catch light weights. However, according to the present invention, by constructing the nonwoven fabric hard board 10 having excellent sound absorption coefficient like the interlayer material 102, it is possible to catch the heavy sound class 3 or more and the light sound class 1 or more.

10 nonwoven fabric hard board 15 square groove 20 square pipe unit
22: square pipe body 24: fastening portion 101: floor structure
102: interlayer material 103: finish material 104: hot water supply piping
105: boiler 210: carding machine 220: lapping machine
230: air flow chamber 240: needle punching machine 260: hot air chamber
270: Belt Press

Claims (6)

Carding and wrapping the fibers to obtain a nonwoven sheet having a web formed thereon, wherein the nonwoven sheet has a thickness of 10 cm to 35 cm and a weight of 2,000 to 3,000 g / m 2;
Passing the nonwoven sheet through an air stream to cause a web to be erected by the air stream to obtain a nonwoven sheet having a thickness of 15 cm to 45 cm and a weight of 2,000 to 3,000 g / m 2;
Needle punching the nonwoven sheet passed through the air stream to obtain a nonwoven felt;
Preheating the nonwoven felt to a temperature of 180-200 ° C .; And
The preheated nonwoven felt is pressed through a belt press, and pressed at a pressure of 300 to 500 tons (middle) per unit area (m 2), having a thickness of 9 mm to 15 mm and a weight of 2,000 to 3,000 g / m 2. A method for manufacturing a nonwoven fabric for building a hard board comprising the step of obtaining a non-woven hard board.
Nonwoven hardboard;
A square groove formed in the nonwoven hard board; And
A square pipe unit to which hot water is supplied,
The square groove has a cross-sectional shape of the letter "c" or "ㅁ", is formed on the surface or inside of the nonwoven hardboard,
The square pipe unit is inserted into the square groove,
The nonwoven hard board is manufactured by the manufacturing method according to claim 1, the thickness of 9mm ~ 15mm, the building flooring, characterized in that the weight is 2,000 ~ 3,000g / ㎡.
The method of claim 2,
The square pipe unit,
Square pipe body to which hot water is supplied; And
Building flooring material comprising a fastening portion formed at the end of the square pipe body.
delete delete Floor structure;
An interlayer installed on the floor structure;
A flooring material installed on the interlayer material; And
Including a finish laminated on the flooring,
The flooring structure of the building, characterized in that the building flooring according to claim 2 or 3.

Images