JPH02136486A - Fireproof safe - Google Patents

Abstract

PURPOSE:To improve fire resistance by laminating a fireproof backing material formed by shaping a protective layer composed of granules mainly comprising carbon and a thermosetting resin onto one surface of a base plate on the inside of a shell metallic plate so that the protective layer is directed toward the shell metallic plate side. CONSTITUTION:A protective layer 3 consisting of granules mainly comprising a carbon component and a thermosetting resin is shaped onto at least one surface of a base plate 2. Fireproof backing materials 10 formed in this manner are laminated on the inside of a shell metallic plate 1 so that the protective layers 3 are directed toward the shell metallic plate 1 side, thus shaping a peripheral wall body 4. A fire is interrupted by the protective layers 3 containing the carbon component while the thermosetting resin of the protective layers 3 is carbonized at a high temperature, thus reducing the effect of heat on the base plate 2 in cooperation with the properties of high heat insulation. Accordingly, fire resistance can be improved.

Description

[Detailed description of the invention] [Industrial application field]

The present invention relates to a fireproof warehouse used as a fireproof safe, a fireproof storage box, a fireproof locker, a fireproof storeroom, and the like.

[Conventional technology]

In the event of a fire, fireproof storage is used to protect stored items while being exposed to flames under severe high temperature conditions until the firefighting efforts are completed. Therefore, the peripheral wall of a fireproof storage is required to have such properties as being able to withstand flames for a long time, having low thermal conductivity and making it difficult to transmit high temperatures to the inside of the storage, and having a large heat capacity that does not quickly reach high temperatures. As the fireproof materials constituting the surrounding walls of fireproof storage, it has been common practice to use inorganic fiber materials such as glass wool and rock tools that have good heat insulation properties, and hydraulic inorganic materials such as cement and plaster that have a large heat capacity of 1F. These fireproof materials are laminated inside an outer shell metal plate such as a steel plate to form the peripheral wall of the fireproof storage.

Problem 1 to be Solved by the Invention However, inorganic fiber materials cannot withstand flame for a long time because they melt and peel off when exposed to high temperatures. In addition, in hydraulic inorganic materials, the water that is rare as crystal water is liberated by the action of high temperature, and the water is released as crystal water. To! 2 occurs, the strength decreases to am, the steel plate peels off, and deformation or warping occurs, so that it cannot withstand flame for a long time. In this way, these materials cannot withstand flames for long periods of time, and even if they are used as lining materials for fireproof storage, their performance as fireproof storage will be affected.During a fire, if the walls of the fireproof storage are deformed or damaged, the doors may be damaged. A gap is created because the normal locked state cannot be maintained, allowing flames to enter the interior, or making it impossible to open or close the door after the fire is extinguished. ■If the floor falls through during a fire and falls downstairs, or if there is an impact from other falling objects, the strength of the fireproof material has deteriorated and it is likely to be destroyed. It was insufficient in these points, and there were practical problems. For safety reasons, increasing the thickness of the walls of a fireproof warehouse is undesirable because it increases the size and weight of the warehouse. The present invention has been made in view of the above points, and an object of the present invention is to provide a fireproof warehouse with excellent fireproof performance that can withstand flames for a long time. [Means for Solving the Problems] In order to achieve the above object, the fireproof storage according to the present invention includes a protective layer 3 made of powder and granules mainly containing carbon components and a thermosetting resin on at least one side of the substrate 2. A refractory lining material 10 formed by providing the material is kept inside the outer shell metal plate 1, and the refractory lining material 10 is kept inside the outer shell metal plate 1, and the refractory lining material 10 is provided and formed at a rate of 1/? ! 3 is formed by a peripheral wall body 4 which is laminated so as to face the outer shell metal plate 1 (ltll). In the present invention, the outer shell metal plate 1!I!1 and the fireproof lining Material 10
A fireproof heat insulating material 6 may be laminated between the fireproof lining material 10 and an interior metal plate 5 may be laminated inside the fireproof lining material 10. Furthermore, the fireproof insulation panel 7 may be laminated inside the fireproof lining material 10, and the fireproof insulation material 6 and the interior metal plate 5 may be laminated in this order inside the fireproof lining material 10. Further, as the substrate 2, a wooden material or a hydraulic inorganic material such as a gypsum board or a cement board can be used.

[Function] The fireproof lining material 10 is formed by providing the protective layer 3 on the substrate 2, which is made of powder and granules mainly containing carbon components and a thermosetting resin.
Protection containing a carbon component/[3] can block flames, and the thermosetting resin of the protective layer 3 carbonizes under the action of high temperatures, so it has high heat insulation properties and reduces the influence of heat on the substrate 2. It is possible to withstand prolonged exposure to flame without the flame penetrating, and the fireproof performance of the fireproof storage can be improved. [Examples] The present invention will be explained in detail below using examples. As the substrate 2 which is the base material of the fireproof lining material 10, general wood materials such as particle board, 7T iberboard, LVL (laminated veneer lumber), sawn wood board, etc. can be used, but particle board is particularly suitable. preferable. In addition to these wood materials, hydraulic inorganic materials such as gypsum board, cement board, cement calcium silicate board, slag gypsum board, and wood chip cement board can also be used as the substrate 2, but wood chip cement board is particularly preferred. . On the other hand, graphite, other charcoal, or the like can be used as the powder mainly composed of carbon component constituting the protective layer 3 provided on the surface of the fireproof lining material 10. As the charcoal, it is possible to use wood, seeds, rinds, trunks, branches, leaves, etc. of plants belonging to the family Cartilage family, such as wheat, sugarcane, rice, and millet, such as those obtained by burning rice husks, for example. The higher the firing temperature for producing charcoal, the better. For example, carbonization progresses at a firing temperature of about 300 to 500°C, but firing at a temperature of 1000°C or higher is preferable because the charcoal shrinks and its specific surface area becomes smaller, and it becomes rich in carbon. The particle size of the powder mainly consisting of carbon component (hereinafter abbreviated as carbon powder) is not particularly limited, but is preferably about 0.2 to 200 microns. Further, as the thermosetting resin serving as the binder for protection N3, any one such as /borac type 7er/-el resin, resol type phenol resin, 7eran resin, melamine resin, etc. can be used. Among these, 67 di/-l resin and 7 run resin have a large amount of residual carbon and are burned to form carbon pounds, which can significantly improve the thermal shock resistance of the protective layer 3. It is particularly preferred for use as the bangu in layer 3. Safe! In forming the I1 layer 3, first, a self-hardening powder is created by adhering a thermosetting resin to the surface of the carbon powder. That is, carbon powder and a solid thermosetting resin low-molecular material, such as an initial condensate of a resol type 7-el resin, are put into a Nigu, and after kneading them with a solvent such as alcohol, a mixed wire material is prepared. is taken out from Nigu, put into an extrusion molding machine, extruded while further kneading, drying the extruded product, and pulverizing it, a self-curing thermosetting resin is applied to the surface of the carbon powder. It is possible to obtain a self-hardening powder material to which is adhered. In addition, when creating a self-curing powder, it is also convenient to attach the thermosetting resin to the surface of the carbon powder at the same time as synthesizing the initial condensate of the thermosetting resin. Ru. That is, for example, when reacting an initial condensate of 7-el resin, carbon powder is put into a reaction vessel together with 7-el and aldehyde, and in this state, 7-el resin is reacted.
By carrying out the synthesis reaction of di/-ru resin,
A self-curing powder can be obtained by uniformly depositing an initial condensate of a 7-enol resin on the surface of a carbon powder, filtering it off, and drying it. Since carbon powder has poor wettability with resin, it is difficult to uniformly adhere thermosetting resin to the surface of carbon powder by kneading carbon powder and thermosetting resin. However, this method, in which carbon powder is added in advance when synthesizing the initial condensate of thermosetting resin, allows the thermosetting resin to be evenly attached to the surface of the carbon powder. It is preferable to use the self-hardening powder obtained by this method. In addition to the carbon powder, silica, alumina,
Powdered materials such as magnesia can be blended, and fibrous materials and l! It is also possible to mix bulk aggregate and the like. Here, the content ratio of carbon powder and thermosetting resin in the self-curing powder is set in the range of 15 to 70 parts by weight of thermosetting resin to 100 parts by weight of carbon powder. It is preferable that the There are various methods for forming the protective layer 3 on the surface of the substrate 2 using the self-curing powder produced as described above. The first method is to spread self-curing powder to a uniform thickness on the surface of the substrate 2 and then heat and pressurize it to form a carbon powder and hardened thermosetting resin. In this method, the protective layer 3 is integrally laminated on the surface of the substrate 2. The second method is to uniformly spread the self-hardening powder and pressurize it with a roll heated to about 50 to 100°C, thereby partially compressing the self-hardening powder. This is a method of integrally laminating i1JM3 on the surface of the substrate 2 by creating a sheet material, overlapping the sheet material on the surface of the substrate 2, and molding it under heat and pressure. Method No. 13 is a method in which a protective layer 3 is formed at the same time when a particle board or the like is manufactured as a substrate 2, and the above-mentioned self-hardening powder particles are coated on the surface of a 7-ohm cloak made of a mixed wire of a piece of wood and an adhesive resin. Arrange the body with uniform thickness,
By heating and press-molding this, it is possible to integrally laminate the protective layer 3 on the surface of a particle board or the like at the same time as making the plate. Board 2 and U3
This third method is most preferable from the viewpoint of adhesion with the substrate. Here, as mentioned above, carbon powder generally has poor wettability with thermosetting resin, and a protective layer 3 is formed on the surface of the substrate 2 using a mixture of carbon powder and thermosetting resin (fat). In this case, the carbon powder is not uniformly dispersed in the protective layer 3, which tends to cause variations in fire resistance performance, and the adhesion becomes insufficient. By forming the protective layer 3 using a self-curing powder with a thermosetting resin attached to the surface, the protective layer 3 in which the carbon powder is uniformly dispersed and has a uniform density is formed. It is possible to
This makes it possible to obtain stable fire resistance. Of course, in addition to the above-mentioned methods in which a self-hardening powder is used to form a 11N3 carbon powder, carbon powder and a thermosetting resin are kneaded with various solvents to form a paste. After forming the material into a sheet by applying pressure with a roll, this sheet material is placed on the surface of the substrate 2, and the protective layer 3 is integrally laminated on the surface of the substrate 2 by heating and pressure forming. It is also possible to In forming the protection i/113 as described above, the protection i
The thickness of 1/13 is preferably set to about 0.4a++a to 51. FIG. 1 shows a peripheral wall made by laminating the fireproof lining material 10 formed by providing protection N3 on the surface of the substrate 2 as described above on the inside of the outer shell metal plate 1 which will become the outer shell of the fireproof storage. An example of the body 4 is shown. As the outer shell metal plate 1, any material such as a steel plate, an aluminum plate, an aluminum alloy plate, a copper plate, a copper alloy plate, etc. can be used. Although the protective layer 3 may be provided only on one surface of the substrate 2, it is preferable to provide it on both surfaces of the substrate 2 in order to improve durability against penetration of flame. When providing only on one surface of the substrate 2, the surface on which the protection/13 is provided is stacked with the surface facing the outer shell metal plate 1 side. Laminating the fireproof lining material 10 on the outer metal plate 1 can be done by bonding the fireproof lining material to the outer metal plate 1 using an adhesive. By creating the original body A and the door A2 using the peripheral wall body 4 thus formed, a fireproof storage A can be manufactured as shown in FIG. 2. FIG. 3 shows another embodiment of the peripheral wall body 4, in which an interior metal plate 5 is laminated and bonded to the inner surface of the fireproof lining material 10. Therefore, this peripheral wall body 4 is formed by sandwiching the outer shell metal plate 1 and the interior metal plate 5 on both sides of the fireproof lining material 10, which is formed by providing a protection plate 13 on the substrate 2, The inner wall of the fireproof storage A will be formed of an interior metal plate 5. The outer shell metal plate 1 serves as the interior metal plate 5.
The same material can be used. FIG. 4 shows still another embodiment of the peripheral wall body 4, in which a fireproof heat insulating material 6 is laminated between the outer shell metal plate 1 and a fireproof lining material 10 formed by providing an insulation WIN 3 on the substrate 2. It is designed to be glued. As the fireproof insulation material 6, rock wool, lath wool, other fireproof mortar, sprayed asbestos,
Single or composite materials such as firebrick, stone, ceramics, porcelain, granular foamed silica cement, and gypsum plaster can be used, and there is no particular need for it to be formed into a plate shape. In this case, the heat insulating performance of the peripheral wall body 4 can be improved by the fireproof heat insulating material 6. FIG. 5 shows that in the structure shown in FIG. 4, an interior metal plate 5 is further laminated and bonded on the inside of a fireproof lining material 10 formed by providing a protective layer 3 on a substrate 2 to form a peripheral wall body 4. This is an example. In the embodiment shown in FIG. 6, a fireproof insulation panel 7 is further stacked on the inside of a fireproof lining material 10 formed by providing a protective layer 3 on a substrate 2. 1i to form the peripheral wall body 4. As the fireproof insulation panel 7, a concrete plate,
A plate-shaped material such as an ALC board, an asbestos board, a perlite asbestos board, a calcium silicate board, a gypsum board, a wood wool cement board, a wood chip cement board, etc. can be used. The fireproof insulation panel 7 constitutes the inner wall of the fireproof storage A, and at the same time serves to improve the heat insulation performance of the surrounding wall body 4. In the embodiment shown in FIG. 7, a peripheral wall body 4 is formed by laminating and bonding a fireproof heat insulating material 6 and an interior metal plate 5 on the inside of a fireproof lining material 10 formed by providing 11 layers 3 on a substrate 2. This is how it was done. However, in the fireproof warehouse A formed as described above,
Even if the outer shell metal plate 1 is melted by flame and the flame acts on the fireproof lining material 10 in the event of a fire, the flame is blocked by the protective layer 3 containing carbon powder, and the substrate, which is the base material of the fireproof lining material 10, is blocked. 2 can be prevented from being exposed to flame. Moreover, when the thermosetting resin contained in the retaining layer 3 is burned by the action of flame, it is carbonized to form a carbonized layer, and this carbonized layer acts as a heat insulating material to prevent high temperatures from acting on the substrate 2. can do. Even if heat acts on the substrate 2 through the protective FgJ3, if the substrate 2 is made of a wood material, the surface layer of the wood material will be carbonized to form a carbonized layer, and this carbonized layer will act as a heat insulating material. Moreover, since the thermal conductivity of the wood material itself is low, thermal decomposition of the interior thereof is prevented. Furthermore, if the substrate 2 is made of a hydraulic inorganic material,
Hydraulic property 8! The material is difficult to thermally decompose due to the carbonization insulation effect of the protective layer 3 (and shows good fire resistance in combination with the fire resistance of the inorganic material itself. In this way, powder particles mainly containing carbon components are formed on the surface of the substrate 2. The fireproof lining material 10 formed by providing the insulation material and the thermosetting resin has excellent fire resistance.
Even if flames act on it, it can withstand the penetration of flames for a long period of time, and the stored items in the fireproof storage A can be effectively protected from fire. In particular, when the substrate J is made of a wood material, there is no risk of explosion or sudden decrease in strength, unlike with hydraulic inorganic materials due to carbonization caused by the action of high temperatures, and Since it is small and lightweight, it becomes possible to manufacture the fireproof warehouse A with reduced weight. Next, in order to confirm the effects of the present invention, a water resistance test of the fireproof lining material used in the present invention will be described. (Manufacture of self-hardening powder) In a reaction vessel, 770 parts by weight of 72/-l, 1328 parts by weight of 37% formalin, and 80 parts by weight of hexamethylenetetramine were added.
Parts by weight were charged, and further 1100 parts by weight of flaky graphite having an average particle size of 5 μm was charged. It takes about 60 minutes to raise the temperature to 90℃, and then leave it as it is for 3
By carrying out a time reaction, cooling, filtering, and air drying, 1830 parts by weight of self-hardening powder having an average particle size of 50 μm was obtained. The content of 7E/-lumite fat in this self-curing powder was 40% by weight. (Manufacturing example of fireproof lining material 1) First, wood pieces (particles) made by crushing lauan
1,698 parts by weight were put into a rotary press, and while stirring, 144 parts by weight of isocyanate adhesive diluted with acetone was sprayed, and the adhesive was applied to the particles.6 And a frame with a size of 400 x 350 mm. First, 325 g of self-hardening powder was spread to a uniform thickness inside the 7-ohming box formed by the particles 1105. was spread to a uniform thickness, and 325 g of self-hardening powder was further spread to a uniform thickness on top of this. Next, the mat obtained by removing the 7-ohming box is heated and pressure-molded at 160°C and 25 kgf/am for 10 minutes to form a fireproof lining in which a protective layer containing a carbon component is laminated on both sides of the particle board. The thickness of each protective layer was 1,213 mm, and the total thickness of the fireproof lining material was 2 (1++s). A fire-resistant backing material was prepared by laminating protective layers containing carbon acid on both sides of particle board in the same manner as in Production Example 1, except that the amount of self-hardening powder was set to the amount shown in Table 1. (Manufacturing example 6 of fireproof lining material) Cement was used as bindu instead of incyanate adhesive, and 600 g of particles were mixed with cement) 170
A fireproof lining material was prepared by laminating a protective layer containing a carbon component on both sides of a wood cement board in the same manner as in Production Example 1, except that 0 g was added by kneading with water. (Comparative manufacturing example of particle board 1) 1842g of particles coated with the same adhesive as manufacturing example 1 was
Spread the mat to a uniform thickness inside a 7 ohming box formed by a frame with a size of 350+ am, then remove the 7 ohming box, and heat the resulting mat at 160°C with a weight of 25 kg.
A particle board with a thickness of 20 mm was created by heat-pressing molding for 6 minutes under the conditions of f/e export 2. (Comparative manufacturing examples 2 and 3 of particle board) Spread amount of particle board! Measurement of the fire resistance performance of the fireproof lining materials obtained in the above Production Examples 1 to 6 and the particle boards obtained in Comparative Production Examples 1 to 3. was carried out. The fire resistance performance was measured by a heating test and a flame penetration test based on JIs A 1304. JIS A
For heating tests based on 1304, the surface of the test plate is
By heating uniformly along the standard heating curve specified in A 1304, and measuring the temperature change on the back side of the test plate using a thermocouple, and determining the time required for the back side temperature to reach 260°C. I did it. In addition, in the flame penetration test, the flame temperature was 1130 to 1300℃.
This was done by determining the time required for the flame to burn through the test plate when a high-temperature, high-velocity flame with a flame length of 150+ am was applied perpendicularly to the surface of the test plate held 100 mm away from the burner. The results are shown in Table 1. For comparison, the fire resistance performance of calcium silicate boards, wood chip cement boards, and gypsum boards was also measured in the same manner, and the results are shown in Table 1. As shown in Table 1, it is confirmed that the fireproof lining materials used in the present invention (Manufacturing Examples 1 to 6) have significantly better fireproof performance than other materials. Effects of the Invention As described above, the present invention provides a fire-resistant backing material formed by providing a W1/1 retaining material made of powder and granules mainly containing carbon components and a thermosetting resin on a substrate. Since the plates are laminated on the inside to form the surrounding wall of the fireproof warehouse, even if flames act on the fireproof lining material through the outer metal plate, the flames are blocked by the protective layer containing carbon powder. It is possible to prevent the board from being exposed to flame, and also to protect it from being exposed to flame.
When the thermosetting resin contained in the substrate is burned by the action of flame, it is carbonized and a carbonized layer is formed, and this carbonized layer acts as a heat insulating material and can reduce the effects of high temperatures on the substrate. As shown above, fireproof lining materials have excellent fire resistance and can withstand flame penetration for a long period of time even when exposed to flames, effectively protecting items stored in fireproof storage from fire. It is something that can be protected. As a result, even in the event of a fire, there is less deformation or explosion, allowing the door to maintain its normal locked state, allowing gaps to form, making it easier to open and close the door even after the fire has been extinguished, and preventing floors from falling and building materials from falling in the event of a fire. Even if the fireproof lining is subjected to impact, the strength will not deteriorate much, so it will be able to withstand the impact and have a high practical effect6. If formed, the wood material will not explode or lose its strength rapidly due to carbonization due to the action of high temperature, and since wood material has a low density and is lightweight, it will make the fireproof warehouse lightweight. It is something that can be transformed into In addition, by laminating interior metal plates inside the fireproof lining material, it is possible to finish the interior without exposing the fireproof lining material inside the fireproof warehouse, and the fireproof insulation material and fireproof insulation panels are further laminated. By doing so, the heat insulation properties of the fireproof warehouse can be further improved.

[Brief explanation of the drawing]

FIG. 1 is a sectional view of one embodiment of the peripheral wall body used in the present invention.
Figure m2 is a reduced sectional view showing an example of a fireproof warehouse according to the present invention,
3 to 7 are sectional views of various embodiments of the peripheral wall body used in the present invention. 1 is an outer shell metal plate, 2 is a substrate, 3 is a protective layer, 4 is a peripheral wall body,
5 is an interior metal plate, 6 is a fireproof insulation material, 7 is a fireproof insulation panel, and 10 is a fireproof lining material. 1... Outer shell metal plate 2... Board Figure 1 Agent Atsushi Mori, patent attorney Figure 3 Figure 4

Claims (7)

[Claims] (1) A fireproof lining material formed by providing a protective layer made of powder and granules mainly containing carbon components and a thermosetting resin on at least one side of the substrate, and a protective layer on the inside of the outer shell metal plate. A fireproof warehouse characterized in that it is formed of a surrounding wall body that is laminated so as to face the metal plate side. (2) The fireproof warehouse according to claim 1, wherein the peripheral wall is constructed by laminating a fireproof heat insulating material between the outer shell metal plate and the fireproof lining material. (3) The fireproof warehouse according to claim 1 or 2, characterized in that the surrounding wall body is constructed by further laminating an interior metal plate inside the fireproof lining material. (4) The fireproof warehouse according to claim 1 or 2, characterized in that the surrounding wall body is constructed by further laminating a fireproof heat insulating panel inside the fireproof lining material. (5) The fireproof warehouse according to claim 1, wherein the surrounding wall body is constructed by further laminating a fireproof heat insulating material and an interior metal plate in this order inside the fireproof lining material. (6) The fireproof warehouse according to any one of claims 1 to 5, wherein the substrate of the fireproof lining material is made of wood. (7) Claim 1, wherein the substrate of the fireproof lining material is a hydraulic inorganic material such as a gypsum board or a cement board.
6. The fireproof warehouse according to any one of 5 to 5.