KR20110040086A - Assembling panel for fireproof wall - Google Patents

Abstract

PURPOSE: A prefabricated panel for a fire-proof wall is provided to prevent the diffusion of a fire and dust generation by employing the minimum amount of inorganic fiber core material. CONSTITUTION: A prefabricated panel for a fire-proof wall comprises a core material(30), an outer plate(10), and an inorganic board(20). The core material is divided into an extensive area(31) which includes the middle portion and a side of the panel and is filled with a fire-retardant organic core material and a narrow area(32) which includes the other side of the panel and is filled with an inorganic fiber core material. The outer panel is made of a metal plate and covers the exterior of the core material. The inorganic board is formed in a thin plate shape and attached to the inner side of the outer panel.

Description

Assembling panel for fireproof wall

The present invention relates to a prefabricated panel for a fireproof wall, and more particularly, to improve the problems of the conventional prefabricated fireproof wall, which can be realized only by the filling of inorganic fibers having high human hazards, and to use a part of an organic flame retardant core, It is related with the prefabricated panel for fireproof walls which enabled installation.

Prefabricated panels for building, known as sandwich panels, are made of organic or inorganic core materials with many voids inside foamed polystyrene (Styrofoam, EPS), urethane, glass fiber, rock wool, polyester fiber nonwoven fabric for insulation, sound insulation and sound absorption. It consists of a metal plate overlaid on the outside.

Such panels are mass-produced to a certain standard to form a wall structure by continuously combining the panels, thereby forming a wall structure of the building or partitioning the interior of the building, such as a partition, etc. are mainly used to form the internal structure. Therefore, a coupling structure of a predetermined type is formed at both ends of each panel for coupling between panels.

Fireproof grade wall implementation of the various types of prefabricated panel described above is known to be possible only by the prefabricated panel of the form of a high density of inorganic fiber, such as glass wool inside.

However, prefabricated panels filled with inorganic fiber cores such as glass wool and mineral wool with high density exhibit excellent performance in heat shrinkage and fire propagation blocking, so that fireproof walls can be realized, but are heavier in weight and cost than organic panels. In addition to this increase, the human health problem of a large amount of inorganic fiber cores filled with a constant problem has been raised and its use is limited. In particular, not only during the manufacturing and installation process, but also after the assembly of the wall, the breakdown of inorganic fibers may continuously leak out of the prefabricated panels and the floor or the seam of the ceiling, which may adversely affect health. have.

On the other hand, EPS panels based on EPS, the most popular form of prefabricated panel, are light and very effective for insulation and sound absorption, but are very vulnerable to fire. have. Although the flame-retardant EPS significantly lowers the risk of fire in the conventional EPS, it is not possible to completely prevent shrinkage due to heat because it is an organic foam.

In addition, the metal plate forming the shell of the prefabricated panel is not burned, but the thermal conductivity is high, it is softened by high temperature heat, deformation of warpage, etc. may occur, so that even if the flame retardant material such as flame retardant EPS such as high flame retardancy is realized, There is a tendency to not play a sufficient support role for the filled organic cores.

Therefore, in the event of a fire, a gap may occur in the connection area between the panels due to the contraction of the organic core and the deformation of the external metal plate, and there is still a risk of fire propagation into the separated space by the flame leaking into the gap. In other words, it is virtually impossible to implement a fireproof wall without using a densely packed inorganic fiber core material. And this problem is the same problem applies when using other organic cores such as urethane foam as well as the above-described EPS.

The object of the present invention devised to solve the above problems,

In the prefabricated panel structure, which is assembled by joining both ends of the prefabricated panel made of a metal outer plate and a core house accommodated inside the outer plate to form a prefabricated wall, minimizing the use of an inorganic fiber core material which poses a problem to human health. While providing a fireproof wall, it is possible to provide a prefabricated panel for a fireproof wall that can not only prevent the spread of fire but also efficiently solve problems such as dust generation.

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

The prefabricated panel for a fireproof wall according to the present invention,

In the prefabricated panel made of a core material and an outer plate of a metal plate material surrounding the outside of the core material, both ends are provided with a fastening structure for mutual connection,

Inside the outer plate of the metal plate material, a thin plate-shaped inorganic board having a lower thermal conductivity than the metal is padded to compensate for the thermal form stability and thermal insulation of the outer plate of the metal plate material,

The core is divided into two parts, a vast region including the middle portion and one end portion and a narrow region including only the other end portion, and the vast region including the middle portion is filled with a flame-retardant organic core material and includes only the other end portion. The narrow area is filled with an inorganic fiber core material, and when the joints are connected to each other between the ends of the panels through the assembly structure, a region filled with an inorganic fiber core material having high thermal stability is present at the connection portion. do.

According to another aspect of the invention in which the above configuration is slightly modified,

The core material is divided into three portions of a vast region including an intermediate portion and two narrow regions including only respective ends of both sides, and the vast region including the intermediate portion is filled with a flame-retardant organic core, and each end of each side The two narrow areas including the bay are filled with an inorganic fiber core material, and when the joints are connected to each other by the end portions of the panels through the assembly structure, an area filled with an inorganic fiber core material having high thermal stability is present at the connection portion. Can be configured.

As described above, in the present invention, the inorganic board is padded on the inner side of the metal outer plate to compensate for heat insulation and shape stability, thereby minimizing thermal deformation of the core material filled therein as well as the outer plate, and end portions at which connecting portions between the panels are formed. Since the core is filled with inorganic fibers having relatively low heat shrinkage, even if some shrinkage occurs in the organic core part due to high heat during a fire, deformation of the panel at the connection part of the panel is prevented and there is no gap in the connection part. Therefore, it is possible to prevent the fire from spreading to the other space partitioned by the prefabricated panel wall structure by penetrating to the other side through the gap generated in the connection portion between the flame panels.

In addition, when using the prefabricated panel according to the present invention, an assembly wall having fire resistance while reducing the use of an inorganic fiber core material which is expensive and has low weight, flaw and heat insulation performance, and which may generate inorganic fiber dust harmful to a human body is used. Since it can be constructed, it becomes possible to construct the prefabricated fireproof wall which improved safety at the time of a fire or a normal fire at low cost.

Hereinafter, with reference to the accompanying drawings will be described in detail the panel wall structure which is improved in the fire resistance proposed in the preferred embodiment of the present invention.

1 is a perspective view showing a structure of a fireproof wall formed by assembling a prefabricated panel according to a first aspect of the present invention, and FIG. 2 is a perspective view showing a structure of a fireproof wall formed by assembling a prefabricated panel according to a second aspect of the present invention. to be.

EMBODIMENT OF THE INVENTION Hereinafter, with reference to these drawings, the Example of the assembled panel for fireproof walls which concerns on this invention is described in detail.

Referring to FIG. 1, the prefabricated panel 1 according to the first aspect of the present invention includes a core 30 and an outer plate 10 made of a metal plate material surrounding the exterior of the core in the same manner as a conventional prefabricated panel.

The outer plate 10 constituting each panel 1 is formed by cutting and bending a thin metal plate, and both ends thereof are each formed of a concave die 13 and a protrusion 11 to form an interlocking structure. Therefore, a fireproof wall can be comprised by engaging with each other in the form which fits the protruding end 11 of another panel with the recessed end 13 of one panel.

In addition, a thin plate-like inorganic board 20 is padded inside the outer plate 10. The inorganic board is made of a non-combustible material having a lower thermal conductivity than metal, such as a gypsum board, a magnesium board, a cement board, an ocher board, or a ceramic board. In addition to preventing deformation, they transmit heat of flame in a low temperature form, so that the thermal barrier effect is greater than that of using only metal, thereby minimizing heat shrinkage deformation of the core material 30 filled therein. .

The core material 30 is divided into two parts, a vast area 31 including a middle part and one end of the panel and a narrow area 32 including only the other end, and a vast area 31 including the middle part. ) Is filled with a flame retardant organic core, and an inorganic fiber core is filled in the narrow region 32 including only the other end.

As the flame-retardant organic core material filled in the vast area 31, for example, a flame-retardant expanded polystyrene, a flame-retardant urethane foam, a flame-retardant organic fiber nonwoven fabric can be used, the drawing shows an example using a flame-retardant expanded polystyrene.

There may be a variety of methods for producing the flame-retardant expanded polystyrene, but for example, inorganic by foaming the expanded polystyrene particles formed a functional skin layer containing a flame-retardant to non-flammable inorganic additive of the form as described in Patent No. 479218 It is most preferable to use expanded polystyrene molded sheet material in the form of partition walls.

In addition, glass wool, mineral wool, rock wool, or the like may be used as the inorganic fiber core material filled in the narrow region 32.

By such a structure, when the ends of the panels are connected to each other through a fastening structure between the concave end portion 13 and the protruding end 11, the connection part is filled with an inorganic fiber core material having high thermal stability. The realm will exist.

Therefore, even if some heat shrinkage occurs in the organic core material filled in the vast area 31, the connection part between the prefabricated panels 1 is always filled with an inorganic fiber core material with almost no heat shrinkage. 10) Since the deformation and consequent voids are prevented, the propagation of fire is suppressed by preventing the propagation of fire even at the most fragile panel-to-panel connections.

Referring to Fig. 2, an embodiment of a prefabricated panel 1 'for a fireproof wall according to a second aspect of the present invention will be described. Also, in the prefabricated panel 1' of the present embodiment, the basic outer plate 10 and the inorganic board ( 20) and the shape and type of the core material 30 is filled in the same.

However, in the present embodiment, the core material 30 is divided into three parts: a vast area 31 ′ including the middle part of the panel, and two narrow areas 32A and 32B including each end of both sides. Thus, the vast region 31 ′ including the middle portion is filled with a flame retardant organic core material, and the two narrow regions 32A and 32B including only respective end portions are filled with an inorganic fiber core material, thereby forming a prefabricated panel. There is only a difference from the above-described embodiment in that the end portion is filled with an inorganic fiber core.

According to this embodiment, all of the joints between the panels are filled with inorganic fiber cores to improve the fire resistance, but the amount of inorganic fiber cores increases, and the core of the prefabricated panel is divided into three areas. There are manufacturing difficulties such as manufacturing.

1 is a perspective view showing a structure of a fireproof wall formed by assembling a prefabricated panel according to a first aspect of the present invention.

2 is a perspective view showing a structure of a fireproof wall formed by assembling a prefabricated panel according to a second aspect of the present invention.

*** Explanation of symbols for main parts of drawing ***

1, 1 ': prefabricated panel for fireproof wall

10: outer plate 11: concave end 13: protruding end

20: mineral board

30: heartwood

31, 31 ': clown

32, 32A, 32B: narrow area

Claims (4)

In the prefabricated panel made of a core material and an outer plate of a metal plate material surrounding the outside of the core material, both ends are provided with a fastening structure for mutual connection, Inside the outer plate of the metal plate material, a thin plate-shaped inorganic board having a lower thermal conductivity than the metal is padded to compensate for the thermal form stability and thermal insulation of the outer plate of the metal plate material, The core is divided into two parts, a vast region including the middle portion and one end portion and a narrow region including only the other end portion, and the vast region including the middle portion is filled with a flame-retardant organic core material and includes only the other end portion. The narrow area is filled with an inorganic fiber core material, and when the joints are connected to each other between the ends of the panels through the assembly structure, a region filled with an inorganic fiber core material having high thermal stability is present at the connection portion. Prefabricated panels for fireproof walls. In the prefabricated panel made of a core material and an outer plate of a metal plate material surrounding the outside of the core material, both ends are provided with a fastening structure for mutual connection, Inside the outer plate of the metal plate material, a thin plate-shaped inorganic board having a lower thermal conductivity than the metal is padded to compensate for the thermal form stability and thermal insulation of the outer plate of the metal plate material, The core is divided into three parts of a vast region including an intermediate portion and two narrow regions including only respective ends of both sides, and the vast region including the intermediate portion is filled with a flame-retardant organic core, and each end of each side The two narrow regions including the bay are filled with an inorganic fiber core material, and when the joints are connected to each other by the ends of the panels through the assembly structure, an area filled with an inorganic fiber core material having high thermal stability is present at the connection portion. Prefabricated panel for a fireproof wall, characterized in that the configuration. The panel of claim 1 or 2, wherein the inorganic board is selected from a gypsum board, a magnesium board, a cement board, an ocher board, and a ceramic board. According to claim 1 or 2, wherein the flame retardant organic core material selected from flame retardant expanded polystyrene, flame retardant urethane foam and flame retardant organic fiber nonwoven fabric is used, the inorganic fiber core material selected from glass wool, mineral wool and rock wool A prefabricated panel for fireproof walls, characterized in that it is used.

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