KR102075153B1 - Fireproof wall method and structure - Google Patents

Abstract

The present invention relates to a method for constructing a fireproof wall of a cold rolling factory. The method for constructing a fireproof wall of a cold rolling factory, of the present invention comprises: an outer wall steel plate construction step of constructing an outer wall steel plate on the outer wall of the cold rolling factory; a stud pin fixing step of fixing a plurality of stud pins to the outer wall steel plate at predetermined intervals while the other ends of the stud pins having sharp one ends are welded to the outer wall steel plate; a fireproof material block construction step of arranging and constructing a fireproof material block between the plurality of stud pins; a block support ring fastening step of fastening block support rings to the stud pins so that the fireproof material block does not leave from the original position, thereby supporting the fireproof material block; an insulation block construction step of arranging and constructing an insulation block providing an insulation function on the front surface of the fireproof material block; an inner wall steel plate construction step of arranging and constructing the inner wall steel plate on the front surface of the insulation block while being fitted onto the stud pins to maintain rigidity; and a stopper finishing step of fitting stoppers onto the stud pins exposed to the inner wall steel plate and pressurizing ends of the stud pins so that the stoppers are fixed to the inner wall steel plate. Therefore, the method can increase thermal efficiency even while using a smaller amount of material.

Description

Fireproof wall construction method and structure of cold rolled processing plant

The present invention relates to a method for constructing a fireproof wall and a structure thereof in a cold rolling mill, and more specifically, it is possible to increase the thermal efficiency as well as to increase the fire resistance as well as to use a smaller amount of materials than before. The present invention relates to a method for constructing a fireproof wall and a structure of a cold rolled processing plant that can contribute to the improvement of steel sheet quality.

Typically, steel is produced by hot rolling. In this case, the hot rolled product that has undergone hot rolling is commercially available in the form of reprocessing into a cold rolled steel sheet containing many impurities and pores.

Hot rolled steel is a form in which heating is applied in the steelmaking process, and cold rolled steel is a form that is processed at room temperature. In addition, rolling is a general term for a process for removing an amount of impurities, bubbles, etc., and a process for reducing thickness in hot rolling.

In particular, the need for cold rolling may be increased in that the added value of steel may be increased by performing cold rolling, and such cold rolling may be performed in a cold rolling mill.

On the other hand, in the cold rolling mill must be applied to the refractory structure for cold rolling. This will be explained further.

The fireproof structure prescribed by the Building Act means the structure approved by the Director of Korea Institute of Construction Technology after confirming the fireproof performance. The fireproof performance standard is able to withstand the predetermined time for heating in case of fire according to the height, the number of floors and the area of each building. It is required to be fireproof structure.

In addition, a fireproof partition is also used as an inner wall for partitioning or isolating the internal space of a general building or a prefabricated building, and it is possible to obtain a building permit only if it has fireproof performance for each use.

On the other hand, the partition used as the non-bearing wall is commonly known as the 'SGP partition', that is, the steel plate is attached to the outside of the gypsum board. The existing SGP partition does not meet the fire resistance performance required by the Korea Institute of Construction Technology. This means that when heat is applied from one side of the partition, the internal gypsum board alone does not effectively prevent heat conduction to the other side, and it is used as a pillar for forming a skeleton of the partition or connecting the partition and the partition. There was a problem that the heat test is not passed because the heat transfer is made through the type C stud.

Accordingly, as shown in Korean Patent No. 10-0899597, an individual fireproof partition is attached to the front and rear of the C-shaped studs forming the inner skeleton, respectively, the individual fireproof partition is attached to the flame-retardant fiberboard on the outside of the flame-resistant gypsum board, Another flame-retardant fiber board and flame retardant is to be attached to the outer side of the flame-retardant fiber board to be coated hot-dip galvanized steel sheet forming the outer surface of the partition, and to effectively block heat transfer between the front, rear and flame-retardant gypsum board of the C-shaped studs. In the event of a fire in one space separated by a partition with a gypsum board attached, a fireproof partition and its construction method have been devised to effectively block heat transfer and flame transfer to the other space.

However, the fireproof partition and the partition wall constructed by using the same, simply by attaching a flame-resistant gypsum board and a flame-retardant fiber board to the existing C-type studs and then to the partition wall using a conventional flame-resistant gypsum board and flame-retardant fiber board Since it is not too much, the heat and flame of the high temperature through the gap between the flame-resistant gypsum board can not only flow into the inside of the partition wall, but also leak to the other side, which is not a fundamental solution.

In other words, if the flame-resistant gypsum board and flame-retardant fiber board is attached to the surface of the C-type studs attached to the flame-retardant gypsum board and flame-retardant fiber board attached to the fixed state as the above will be a gap between each other will occur. This allows hot heat or flames to escape to the other space via the interior of the partition wall, and requires considerable effort and work time to attach flame-retardant gypsum boards and flame-retardant fiberboards to the C-type studs, respectively. It is extremely uneconomical.

In addition, even if the process of constructing the existing fire-proof partition walls, the lower runner and the upper runner are fixedly installed on the indoor floor and the ceiling, respectively, and the C-type studs are measured and fixed at regular intervals between the upper and lower runners. In the formed state, the flame retardant gypsum board and the flame-retardant fiber board must be attached and fixed to the surface of the C-type studs. If the installation interval is not constant, it is difficult to obtain a firm fixing force of the flame-resistant gypsum board and flame-retardant fiber board that is fixed by using it.

Furthermore, when the installation intervals of the C-type studs are not constant and the ends of both gypsum boards do not correspond exactly to the center portion of the C-type studs and are fixed in a biased state to one side, the gaps of the flame-resistant gypsum boards adjacent to each other are fixed. Through the flow of flame or heat into the partition wall can be made more quickly through the case of failing to act as an efficient fire-resistant partition wall.

In addition, in the case of conventional fire-resistant partitions, mineral wool (or glass wool) filled between partition walls, that is, between flame-retardant gypsum boards placed before and after the C-shaped studs, has a density of 24 to 140 K and a thickness of 50 to 100 mm. In case of mineral wool, the gap between the front and the back of flameproof gypsum board is filled with the height of 2.5 ~ 3.0m, so that sagging occurs gradually over time. Therefore, the top of the fireproof partition wall is not filled with mineral wool at all. Since the poor condition is produced and the lower end of the fireproof partition wall is filled with mineral wool in a high density state, it has a fatal disadvantage of not exhibiting even fire resistance in the entire surface of the fireproof partition wall.

Accordingly, a construction structure of a fireproof partition wall as shown in FIG. 1 has been proposed. The construction of FIG. 1 is a structure in which the general gypsum boards 40 and 40 'are tightly fixed to both sides of the lightweight studs 20 and 20', and then the flameproof sheets 30 and 30 'are attached to one side thereof. Suggesting.

However, in the case of the prior art including FIG. 1, considering the fact that the effect of the structure is inadequate, a situation in which technology development for a new concept fireproof wall, which is not known, is required.

Korea Patent Office Application No. 10-2011-0054041 Korean Patent Office Application No. 10-2012-0052499 Korean Patent Office Application No. 10-2017-0038183 Korean Patent Office Application No. 10-2017-0132619

An object of the present invention is to use a lesser amount of materials than before, but it is possible to increase thermal efficiency as well as to improve the fire resistance performance than before. To provide that structure.

The object is, the outer wall iron plate construction step of constructing the outer wall iron plate on the outer wall of the cold rolling mill; A stud pin fixing step of fixing the plurality of stud pins to the outer wall iron plate at a predetermined interval while allowing the other end of the stud pin having one end to be welded to the outer wall iron plate; A fireproof material block construction step of placing and constructing a fireproof material block between the plurality of stud pins; Block support ring fastening step of supporting the refractory material block by fastening the block support ring to the stud pin so that the refractory material block is not separated; An insulation block construction step of placing and installing an insulation block that provides an insulation function to the front surface of the fireproof material block; An inner wall iron plate construction step of placing and installing an inner wall iron plate in front of the insulating block while being inserted into the stud pin to maintain rigidity; And a stopper finishing treatment step of inserting a stopper into the stud pin exposed to the inner wall iron plate and pressing the end of the stud pin so that the stopper is fixed to the inner wall iron plate. Is achieved by the method.

The refractory material block is a refractory board; And it may include a cement envelope wrapped around the refractory board.

The refractory material block may be constructed in a zigzag manner at a corresponding position, but the space between the refractory material blocks may be filled with a superwool or sealed with a refractory tape.

The insulation block may be constructed 1.3 to 2.2 times thicker than the fireproof material block.

The object is an outer wall iron plate is constructed on the outer wall of the cold rolling mill; A plurality of stud pins having one end formed sharply, the other end of which is welded to the outer wall iron plate, and fixed to the outer wall iron plate at a predetermined interval from each other; A fireproof material block disposed and disposed between the plurality of stud pins; A block support ring fastened to the stud pin to support the fireproof material block so that the fireproof material block is not separated; An insulation block disposed in front of the fireproof material block and providing insulation; An inner wall iron plate inserted into the stud pin and installed on the front surface of the insulating block to provide rigidity; And a stopper fastened to the stud pins exposed by the inner wall iron plate and fixed to the inner wall iron plate by deformation of the stud pin to finish the inner wall iron plate, wherein the refractory material block comprises: a refractory board; And a cement envelope wrapped around the refractory board, wherein the refractory material block is constructed in a zigzag manner at a corresponding position, and the space between the refractory material blocks is filled with a superwool or sealed with a refractory tape, The insulation block is 1.3 to 2.2 times thicker than the fireproof material block is also achieved by a cold-fired plant fireproof wall construction structure.

According to the present invention, while using a smaller amount of materials than before, rather than increasing the thermal efficiency, it is possible to increase the fire resistance performance than before has the effect of contributing to the improvement of the quality of the steel sheet produced.

1 is a construction of the fire-resistant partition wall according to the prior art.
2 is a flow chart of a method for constructing a fireproof wall in a cold rolling mill according to an embodiment of the present invention.
3 to 9 are construction process diagrams corresponding to the construction method of FIG.
10 is a cross-sectional structural view of a fireproof material block.
FIG. 11 is an image corresponding to FIG. 4.
12 is an image corresponding to FIG. 6.
13 and 14 are images corresponding to FIG. 7.
FIG. 15 is an image corresponding to FIG. 9.
16 is a cross-sectional structural view of a fireproof material block applied to a fireproof wall construction structure of a cold rolling mill according to another embodiment of the present invention.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention.

However, since the description of the present invention is only an embodiment for structural or functional description, the scope of the present invention should not be construed as being limited by the embodiments described in the text.

For example, the embodiments may be variously modified and may have various forms, and thus the scope of the present invention should be understood to include equivalents capable of realizing the technical idea.

In addition, the object or effect presented in the present invention does not mean that a specific embodiment should include all or only such effects, it should not be understood that the scope of the present invention is limited thereto.

In this specification, the embodiments are provided to make the disclosure of the present invention complete, and to fully inform the scope of the invention to those skilled in the art. And the present invention is defined only by the scope of the claims.

Thus, in some embodiments, well known components, well known operations and well known techniques are not described in detail to avoid obscuring the present invention.

On the other hand, the meaning of the terms described in the present invention is not limited to the dictionary meaning, it will be understood as follows.

When a component is said to be "connected" to another component, it may be directly connected to the other component, but it should be understood that there may be other components in between. On the other hand, when a component is said to be "directly connected" to another component, it should be understood that there is no other component in between. On the other hand, other expressions describing the relationship between the components, such as "between" and "immediately between" or "neighboring to" and "directly neighboring", should be interpreted as well.

Singular expressions should be understood to include plural expressions unless the context clearly indicates otherwise, and terms such as "include" or "have" refer to features, numbers, steps, operations, components, parts, or parts thereof described. It is to be understood that the combination is intended to be present and does not exclude in advance the possibility of the presence or addition of one or more other features or numbers, steps, actions, components, parts or combinations thereof.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art unless otherwise defined.

Generally defined terms used should be construed as consistent with the meanings in the context of the related art, and should not be construed as having ideal or overly formal meanings unless expressly defined in the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In the description of the embodiments, the same reference numerals are assigned to the same components, and the descriptions of the same reference numerals are sometimes omitted.

(Example 1)

2 is a flow chart of a cold-fired plant fireproof wall construction method according to an embodiment of the present invention, Figures 3 to 9 is a construction process diagram corresponding to the construction method of Figure 2, Figure 10 is a cross-sectional structural diagram of a fireproof material block 11 is an image corresponding to FIG. 4, FIG. 12 is an image corresponding to FIG. 6, FIGS. 13 and 14 are images corresponding to FIG. 7, and FIG. 15 is an image corresponding to FIG. 9.

Referring to these drawings, according to this embodiment, while using a smaller amount of materials than before, it is possible to improve thermal efficiency as well as to improve the fire resistance performance than before, thus contributing to the improvement of the quality of the steel sheet produced.

Cold-working plant fireproof wall construction structure according to the present embodiment can provide such an effect is the outer wall iron plate 110, stud pins 120, fireproof material block 130, block support ring 140, insulating block ( 150, an inner wall iron plate 160, and a stopper 170.

As shown in FIGS. 3 and 11, the outer wall iron plate 110 is an iron plate constructed on an outer wall of a cold rolling mill. The outer wall iron plate 110 together with the inner wall iron plate 160 gives rigidity to the refractory wall of the cold rolling mill. In particular, the outer wall iron plate 110 forms a place where the stud pin 120 is fixed.

As shown in FIGS. 4 and 11, the stud pin 120 is a member whose one end is sharply formed and the other end is welded to the outer wall iron plate 110, and the outer wall iron plate has a predetermined interval therebetween. It is fixed to 110.

As shown in FIGS. 5, 10, and 15, the fireproof material block 130 may be provided between the plurality of stud pins 120 to be constructed to provide a substantially fireproof function.

The refractory material block 130 may include a refractory board 131 and a cement envelope 132 surrounding and supporting the refractory board 131.

In the present embodiment, the fireproof material block 130 is constructed in a zigzag manner at the corresponding position. Therefore, the fire-resistant material block 130 can be constructed without gaps. If a space occurs between the refractory material blocks 130, a superwool may be filled or sealed with a refractory tape.

6 and 12, the block support ring 140 is fastened to the stud pins 120 so as not to be displaced to support the fireproof material block 130. While fixing the fire-resistant material block 130 to the outer wall iron plate 110 using the adhesive means, but using the block support ring 140 can be drawn more ginghaming force.

As shown in Figures 7, 13 and 14, the insulating block 150 is disposed in the front of the refractory material block 130 to provide a thermal insulation function as a member to be constructed. In the present embodiment, the insulation block 150 may be 1.3 to 2.2 times thicker than the refractory material block 130.

As shown in FIGS. 8 and 15, the inner wall iron plate 160 is installed on the front surface of the insulating block 150 while being fitted to the stud pin 120. The inner wall iron plate 160 together with the outer wall iron plate 110 gives rigidity to the refractory wall of the cold rolling mill.

As shown in FIGS. 8 and 15, the stopper 170 is fastened to the stud pin 120 exposed by the inner wall iron plate 160, but is fixed to the inner wall iron plate 160 by the deformation of the stud pin 120. It is a member for finishing the 160. The stopper 170 may be fastened to all stud pins 120.

Hereinafter, a description will be given of a series of fireproof wall construction method of the cold rolling plant as follows.

First, the outer wall iron plate 110 is constructed on the outer wall (W) of the cold rolling (S10). Then, the other end of the stud pin 120 having one end portion is welded to the outer wall iron plate 110 while fixing the plurality of stud pins 120 to the outer wall iron plate 110 at a predetermined interval ( S20).

Next, the fireproof material block 130 is disposed between the plurality of stud pins 120 to be constructed (S30). As described above, the refractory material block 130 may include a refractory board 131 and a cement envelope 132 that surrounds and supports the refractory board 131, and is constructed in a zigzag manner. At this time, if there is a space between the fire-resistant material block 130 is filled with a superwool or sealed with a refractory tape.

Next, fastening the block support ring 140 to the stud pin 120 so that the refractory material block 130 is not released (S40) to support the refractory material block (130).

Next, the construction of the insulating block 150 to provide a heat insulating function to the front of the fire-resistant material block 130 is installed (S50). In this case, the insulation block 150 may be 1.3 to 2.2 times thicker than the fireproof material block 130.

Next, while installing the inner wall iron plate 160 to the front of the insulating block 150 while being fitted to the stud pin 120 to maintain rigidity (S60).

At this time, the inner wall iron plate 160 can be overlapped with the construction. In particular, it can be installed by overlapping the inner wall iron plate 160 from the top to the bottom, through this method it is possible to prevent the refractory material block 130 to escape to the outside. If the fireproof material block 130 has a broken portion, it may be sealed with a fireproof tape.

Then, the stopper 170 is inserted into the stud pin 120 exposed by the inner wall iron plate 160 and the end of the stud pin 120 is pressed to fix the stopper 170 to the inner wall iron plate 160 (S70). ), Fireproof wall of cold rolling mill can be constructed. For reference, the holes H of FIGS. 13 to 15 form a place to which a pipe or the like is connected.

According to this embodiment acting on the basis of the structure as described above, it is possible to increase the thermal efficiency as well as to increase the fire efficiency of the steel sheet produced by using a smaller amount of materials than before, and contribute to the improvement of the quality of the steel sheet produced You can do it.

(Other embodiment)

16 is a cross-sectional structural view of a refractory material block applied to a fireproof wall construction structure of a cold rolling mill according to another embodiment of the present invention.

As shown in this figure, the refractory material block 230 applied to the present embodiment is also a structure that is disposed between the plurality of stud pins 120 and provides a fireproof function substantially as a refractory board 131. And, it may include a cement envelope 132 for wrapping and supporting the refractory board 131.

However, in the present embodiment, at least one non-combustible board 233 is inserted into the refractory board 131. In this case, there is an advantage that can provide a non-flammable function in addition to the fireproof function.

Even if the present embodiment is applied, it is possible to improve the quality of the steel sheet produced by using a smaller amount of materials than before, but rather increasing the thermal efficiency as well as improving the fire resistance performance.

As such, the present invention is not limited to the described embodiments, and it is apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit and scope of the present invention. Therefore, such modifications or variations will have to be belong to the claims of the present invention.

110: outer wall iron plate 120: stud pin
130: fireproof material block 131: refractory board
132: outer shell for cement 140: block support ring
150: insulating block 160: inner wall iron plate
170: stopper

Claims (5)

An outer wall iron plate construction step of constructing an outer wall iron plate on an outer wall of a cold rolling mill;
A stud pin fixing step of fixing the plurality of stud pins to the outer wall iron plate at a predetermined interval while allowing the other end of the stud pin having one end to be welded to the outer wall iron plate;
A fireproof material block construction step of placing and constructing a fireproof material block between the plurality of stud pins;
Block support ring fastening step of supporting the refractory material block by fastening the block support ring to the stud pin so that the refractory material block is not separated;
An insulation block construction step of constructing and installing an insulation block that provides an insulation function to the front of the fireproof material block;
An inner wall iron plate construction step of placing and installing an inner wall iron plate in front of the insulating block while being inserted into the stud pin to maintain rigidity; And
Inserting a stopper to the stud pin exposed to the inner wall of the iron plate and pressing the end of the stud pin stopper finishing process for fixing the stopper to the inner wall of the iron plate construction method characterized in that it comprises a cold-rolled plant factory .
The method of claim 1,
The fireproof material block,
Refractory boards; And
A method of constructing a fireproof wall of a cold rolled processing plant, characterized in that it comprises a cement envelope wrapped around the refractory board.
The method of claim 2,
The refractory material blocks are constructed in a zigzag manner at a corresponding position, but the space between the refractory material blocks is filled with a super wool or sealed with a refractory tape.
The method of claim 1,
Refractory wall construction method characterized in that the heat insulation block is 1.3 ~ 2.2 times thicker than the material block for fireproof construction.
An outer wall iron plate constructed on an outer wall of a cold rolling mill;
A plurality of stud pins having one end formed sharply and the other end welded to the outer wall iron plate, and fixed to the outer wall iron plate at a predetermined interval from each other;
A fireproof material block disposed and disposed between the plurality of stud pins;
A block support ring fastened to the stud pin to support the fireproof material block so that the fireproof material block is not separated;
An insulation block disposed on the front surface of the fireproof material block and providing insulation;
An inner wall iron plate inserted into the stud pin and installed in the front surface of the insulating block to provide rigidity; And
And a stopper fastened to the stud pin exposed by the inner wall iron plate and fixed to the inner wall iron plate by deformation of the stud pin, thereby finishing the inner wall iron plate.
The fireproof material block,
Refractory boards; And
Including a cement envelope wrapped around the refractory board,
The refractory material block is constructed in a zigzag manner at the corresponding position, but the space between the refractory material blocks is filled with a super wool or sealed with a refractory tape,
Refractory wall construction structure of the cold-rolled processing plant, characterized in that the insulation block is constructed 1.3 to 2.2 times thicker than the material block for the fire.

Images