JP2015019853A - Fireproof treatment material, closed structure of penetration part, and method for closing penetration part - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fireproof treatment material, which enables construction to be easily performed without the need for directivity for the construction, a closed structure of a penetration part, and a method for closing the penetration part.SOLUTION: A fireproof treatment material 11 comprises a flat block-like treatment material body 12, and expanded graphite is dispersed throughout the treatment material body 12. The fireproof treatment material 11 comprises a cover body 13 having a metal layer 13b, and the cover body 13 covers the whole surface of the treatment material body 12 in a state in which the metal layer 13b is exposed on a surface.

Description

  The present invention relates to a fireproofing material filled between an inner surface of a penetrating part formed through a fireproof compartment of a building in a thickness direction and a wiring / piping material inserted through the penetrating part, the fireproofing process The present invention relates to a structure for closing a penetrating part using a material and a method for closing a penetrating part.

  2. Description of the Related Art Conventionally, a penetration portion is formed in a fire prevention compartment wall in order to allow wiring and piping materials to penetrate through the fire prevention compartment wall as a fire prevention compartment in a building. A fireproofing treatment is applied between the inner surface of the penetrating portion and the wiring / piping material on the fireproof partition wall. This fireproofing process prevents, for example, a fire, smoke, or toxic gas from flowing into the other side via a through-hole when a fire or the like occurs on the front side of one wall across a fire prevention compartment wall. Is provided to delay the spread of fire. In other words, the fireproofing process closes the space between the through hole and the wiring / piping material in the event of a fire, etc., thereby preventing the flow of flame, smoke, or toxic gas to the opposite side of the fire. ing.

  As such a fireproofing treatment, there is a method in which a fireproofing treatment material is filled between the through hole and the wiring / piping material. An example of the fireproofing material is a fireproofing sheet disclosed in Patent Document 1.

  As shown in FIG. 8, the fireproof processing sheet 80 includes a flame retardant foamed plastic sheet 81 and an internal filler 83 in which a thermally expandable refractory material sheet 82 is combined with a part of the flame retardant foamed plastic sheet 81. Prepare. In addition, the fireproofing sheet 80 includes a cover sheet 84 that covers the internal filler 83, and the cover sheet 84 is formed by laminating a metal foil and a fireproof cloth.

  And in the penetration part 86, the fire prevention sheet | seat 80 is wound around the metal pipe (wiring and piping material) 85 penetrated by the penetration part 86, and the outer peripheral surface of the fire protection sheet 80 and the inner peripheral surface of the penetration part 86 are A refractory treatment is applied by filling mortar 87 into the gaps between them. In the unlikely event of a fire, even if the flame-retardant foamed plastic sheet 81 is burned out, the volume reduction due to the burning is compensated by the expansion of the heat-expandable fire-resistant material sheet 82, and the fire resistance of the through-hole 86 is ensured. It is like that.

  Further, even if the wiring / pipe material is a through-hole that is not a metal pipe as in Patent Document 1, a fire-resistant treatment material is filled between the through hole and the wiring / pipe material as a fire-proof treatment. In the unlikely event of a fire, even if the wiring / piping material is burned out, the reduced volume of the wiring / piping material is compensated by the expansion of the fireproofing material.

JP 9-262305 A

  However, since the fire-proofing sheet 80 of Patent Document 1 facilitates the expansion of the thermally expandable refractory sheet 82 by heat at the time of fire, the thermally expandable refractory sheet 82 has a possibility of causing a fire (see FIG. It is necessary to wrap the fire protection sheet 80 around the wiring / pipe material 85 so as to be positioned at the lower side in FIG. That is, the fireproof sheet 80 of Patent Document 1 requires directionality for its construction. Further, the fire protection sheet 80 includes a cover sheet 84 that covers the internal filler 83, and the cover sheet 84 prevents the position of the thermally expandable refractory material sheet 82 from being visible from the outside. For this reason, the fireproof sheet 80 of Patent Document 1 further deteriorates its workability by the cover sheet 84 while requiring directionality for construction.

  An object of the present invention is to provide a refractory material, a penetrating portion closing structure, and a penetrating portion closing method that can be easily constructed without requiring directivity for construction.

  In order to solve the above-described problem, the fireproofing material according to claim 1 includes an inner surface of a penetrating part formed through a fireproof compartment of a building in a thickness direction, and a wiring inserted through the penetrating part. A fire-resistant treatment material filled between the piping materials, which includes a treatment material main body having a flat block shape, and has thermal expansion parts made of a heat-expandable material at least on both sides in the thickness direction of the treatment material main body. A cover body having a metal layer is provided, and the cover body covers the treatment material main body with the metal layer exposed on the surface.

  According to this, in the unlikely event that a fire is encountered, if the heat of the flame or the heat generated when the wiring / pipe material burns propagates to the metal layer, the heat is quickly transmitted to the entire metal layer. Then, in the treatment material main body covered with the metal layer, heat is quickly transmitted from the metal layer to the thermal expansion portion. As a result, the thermal expansion portion expands quickly and the penetration portion is closed. Therefore, the refractory treatment material is provided with a metal layer regardless of the position where the thermal expansion portion is disposed, and the block body is covered with the cover body, the position of the thermal expansion portion is not visible from the outside. Thus, the thermal expansion portion can be rapidly expanded. Therefore, when the penetration part is filled with the fireproofing material, it is not necessary to consider the directionality in the construction.

  In addition, for the fire-resistant treatment material, the treatment material main body has a flat block-shaped cushion material, and the thermal expansion material is dispersed throughout the cushion material, and the thermal expansion portion is formed on the treatment material main body. It is preferable to be provided throughout.

  According to this, since the thermal expansion part is provided in the whole processing material main body, it can be expanded to the whole surface side of a processing material main body, ie, all directions, with the heat transmitted from the metal layer to the whole surface of the processing material main body. Moreover, even if heat is transmitted from any direction to the treatment material main body, the treatment material main body can be rapidly expanded. Therefore, when filling a penetration part with a fireproof processing material, the directionality does not need to be considered.

  Moreover, even if a fireproofing material is cut | disconnected from which direction, a thermal expansion part appears in the cut surface. For this reason, when cutting the refractory material, it is not necessary to consider its directionality, and the workability is excellent. Further, the cushioning property can be imparted to the fireproof material by the cushion material. Therefore, when the refractory treatment material is filled into the through portion in a compressed state, the restoring force from the compressed state is increased, and the gap between the inner surface of the through portion and the wiring / pipe material can be reliably filled. .

Moreover, about the fireproofing material, the said metal layer may be provided with the sticking part stuck on another fireproofing material adjacent in the said penetration part.
According to this, position shift of a fireproof processing material can be prevented by the sticking part.

  Moreover, about the fireproof processing material, the said cover body is provided with the connection part which connects the said accommodating parts between the said adjacent accommodating parts while providing the several bag-shaped accommodating part which accommodates the said whole processing material main body. It may be.

  According to this, since the refractory treatment material is integrally provided with a plurality of treatment material bodies, the plurality of treatment material bodies can be filled into the penetrating portion by a single filling operation. Moreover, a fireproof processing material can be divided | segmented from a connection part, and the size of a fireproof processing material can also be made small. At this time, since it divides from a connection part, it is not necessary to cut a processing material main part directly, and a cushion material does not scatter from a cut surface.

Moreover, about the fireproof processing material, the said cover body may vapor-deposit a metal layer on the said base material sheet, and may be formed.
According to this, it can prevent that a base material sheet and a metal layer isolate | separate.

  Moreover, the closed structure of the penetrating part is provided with a fireproofing material between the inner surface of the penetrating part formed through the fire prevention compartment of the building in the thickness direction and the wiring / pipe material inserted through the penetrating part. A closed structure of a penetrating portion configured by filling, wherein the refractory treatment material includes a treatment material main body having a flat block shape, and at least thermal expansion of a heat-expandable material on both sides in the thickness direction of the treatment material main body. And a cover body having a metal layer, the cover body covering the treatment material body in a state where the metal layer is exposed on the surface, and the fireproof treatment material is disposed in the longitudinal direction of the penetrating portion and A plurality of fillers are filled in accordance with the size in the horizontal direction, and the gaps between the adjacent refractory treatment materials are blocked by an adhesive tape made of a metal base material and an adhesive layer provided on one surface of the base material. It is a summary.

  According to this, in the unlikely event that a fire is encountered, if the heat of the flame or the heat generated when the wiring / pipe material burns propagates to the metal layer, the heat is quickly transmitted to the entire metal layer. Then, in the treatment material main body covered with the metal layer, heat is quickly transmitted from the metal layer to the thermal expansion portion. As a result, the thermal expansion portion expands quickly and the penetration portion is closed. Therefore, the refractory treatment material is provided with a metal layer regardless of the position where the thermal expansion portion is disposed, and the block body is covered with the cover body, the position of the thermal expansion portion is not visible from the outside. Thus, the thermal expansion portion can be rapidly expanded. Therefore, when the penetration part is filled with the fireproofing material, it is not necessary to consider the directionality in the construction.

In addition, since the adhesive tape has a metal base material, it has good heat resistance and does not easily burn out even in a fire, and can close the gap until the treatment material main body expands.
Moreover, about the closed structure of a penetration part, while the said processing material main body has a flat block-shaped cushion material, the said thermally expansible material is disperse | distributed to the whole said cushion material, and the said thermal expansion part becomes the said processing material. It is preferable to be provided in the whole main body.

  According to this, since the thermal expansion part is provided in the whole processing material main body, it can be expanded to the whole surface side of a processing material main body, ie, all directions, with the heat transmitted from the metal layer to the whole surface of the processing material main body. Moreover, even if heat is transmitted from any direction to the treatment material main body, the treatment material main body can be rapidly expanded. Therefore, when filling a penetration part with a fireproof processing material, the directionality does not need to be considered.

  In addition, the method for closing the penetration part is that a fireproofing material is provided between the inner surface of the penetration part formed through the fire prevention compartment of the building in the thickness direction and the wiring / piping material inserted through the penetration part. A method for closing a penetrating portion configured by filling, wherein the fireproof treatment material includes a treatment material main body having a flat block shape, and at least thermal expansion of a heat-expandable material on both sides in the thickness direction of the treatment material main body. And a cover body having a metal layer, the cover body covering the treatment material body in a state where the metal layer is exposed on the surface, and the fireproof treatment material is disposed in the longitudinal direction of the through-portion and The gist is that a plurality of fillers are filled in accordance with the size in the horizontal direction, and the gap between the adjacent refractory treatment materials is closed with an adhesive tape comprising a metal base material and an adhesive layer provided on one surface of the base material. And

  According to this, in the unlikely event that a fire is encountered, if the heat of the flame or the heat generated when the wiring / pipe material burns propagates to the metal layer, the heat is quickly transmitted to the entire metal layer. Then, in the treatment material main body covered with the metal layer, heat is quickly transmitted from the metal layer to the thermal expansion portion. As a result, the thermal expansion portion expands quickly and the penetration portion is closed. Therefore, the refractory treatment material is provided with a metal layer regardless of the position where the thermal expansion portion is disposed, and the block body is covered with the cover body, the position of the thermal expansion portion is not visible from the outside. Thus, the thermal expansion portion can be rapidly expanded. Therefore, when the penetration part is filled with the fireproofing material, it is not necessary to consider the directionality in the construction.

In addition, since the adhesive tape has a metal base material, it has good heat resistance and does not easily burn out even in a fire, and can close the gap until the treatment material main body expands.
Further, regarding the method of closing the penetrating portion, the treatment material main body has a flat block cushion material, and the thermally expandable material is dispersed throughout the cushion material, and the thermal expansion portion is the treatment material. It is preferable to be provided in the whole main body.

  According to this, since the thermal expansion part is provided in the whole processing material main body, it can be expanded to the whole surface side of a processing material main body, ie, all directions, with the heat transmitted from the metal layer to the whole surface of the processing material main body. Moreover, even if heat is transmitted from any direction to the treatment material main body, the treatment material main body can be rapidly expanded. Therefore, when filling a penetration part with a fireproof processing material, the directionality does not need to be considered.

  According to the present invention, construction can be easily performed without requiring directionality.

The perspective view which shows the fire prevention division wall which performed the fireproof process of embodiment. The front view which shows the fire prevention division wall which performed the fireproof process of embodiment. The perspective view which shows the fireproof processing material of embodiment. The perspective view which shows the processing material main body of embodiment. Sectional drawing which shows the fireproofing material of embodiment. (A) is a fragmentary sectional view which shows a cover body, (b) is an enlarged view which shows a cover body. The perspective view which shows the fireproof processing material of another example. The figure which shows background art.

Hereinafter, an embodiment embodying a fireproof material, a closing structure of a penetration part, and a closing method of the penetration part will be described with reference to FIGS.
As shown in FIG.1 and FIG.2, the fireproof processing material 11 is filled and constructed in the penetration part 34 formed in the fireproof division wall W as a fireproof division body, and the closed structure of the penetration part 34 is provided. It is a component that constitutes. The penetration part 34 penetrates the fire prevention partition wall W in the thickness direction, and communicates one wall front side of the fire protection partition wall W with the other wall front side. The penetrating part 34 is formed inside the partition plates 35 arranged in parallel by arranging a plurality of partition plates 35 in the vertical direction and the horizontal direction of the fire prevention partition wall W.

  In addition, a support rack 20 for wiring / piping material is disposed in the penetrating portion 34. The support rack 20 includes a pair of support plates 21 that are opposed to each other so that the longitudinal direction extends in the thickness direction of the fire prevention partition wall W, and a rack 22 that is installed on the pair of support plates 21. A plurality of wiring / piping materials 33 are supported on the rack 22 of the support rack 20, and the wiring / piping materials 33 penetrate the fire prevention partition wall W. The wiring / pipe material 33 is a length of wiring (control cable, coaxial cable, optical cable, etc.) and piping material (synthetic resin flexible cable, steel cable, etc.) disposed in the building. It is a general term for the scale.

Next, the fireproof material 11 filled in the penetration part 34 will be described.
As shown in FIGS. 3 to 5, the fireproof material 11 is formed in a flat rectangular parallelepiped shape. The refractory treatment material 11 includes a treatment material body 12 formed in a flat rectangular parallelepiped shape (flat block shape) and a cover body 13 that covers the entire treatment material body 12 from the entire surface side.

  In the treatment material main body 12, a direction in which two side surfaces having the largest area among the six side surfaces face each other is a thickness direction of the treatment material main body 12. The treatment material main body 12 is mainly composed of a cushion material that gives the treatment material main body 12 cushioning properties. The cushion material is made of a cotton-like lump formed by bonding short fibers of inorganic compounds having non-combustibility and flame retardancy such as ceramic fibers and rock wool with a binder element. The treatment material main body 12 is shaped into a flat block shape by the cushion material, has cushioning properties and flexibility by the cushion material, and has required elasticity. That is, the treatment material main body 12 can be compressed and deformed, and can be returned to the original shape from the compressed and deformed state.

  The treatment material main body 12 includes expanded graphite as a heat-expandable material in order to give the treatment material main body 12 thermal expansion. The expanded graphite is dispersed throughout the cushion material. Moreover, the expanded graphite appears on the entire surface of the treatment material main body 12. Expanded graphite is a material that expands several tens to several hundreds of times by heat, and has a higher expansion rate than unfired vermiculite that expands by heat. More specifically, since unsintered vermiculite is a material having an expansion rate of several to several tens of times, expanded graphite has a higher expansion rate than unburned vermiculite.

  As shown in FIGS. 6A and 6B, the cover body 13 includes a glass cloth 13a made of glass fiber as a base sheet, and the glass cloth 13a includes a plurality of warps made of glass fiber. It is formed by a plain weave in which wefts and wefts are alternately combined. The cover body 13 includes an aluminum metal layer 13b deposited on the glass cloth 13a. Both the glass cloth 13a and the metal layer 13b are flame retardant, and the cover body 13 is flame retardant.

  The cover body 13 has a larger sheet shape than the treatment material main body 12. The cover body 13 is folded so that the glass cloth 13a is on the inside and the metal layer 13b is on the outside. Further, the cover body 13 covers all six side surfaces forming the treatment material main body 12. For this reason, the cover body 13 covers the treatment material main body 12 so that the metal layer 13 b is exposed on the surface of the refractory treatment material 11.

  As shown in FIG. 5, in the folded cover body 13, the tape 23 is stuck to the edge overlapped by the folding to prevent the cover body 13 from opening to the shape before folding.

Next, a method for forming a closed structure of the penetrating part 34 by applying a fireproofing process to the fire-proof partition wall W using the fireproofing material 11, that is, a method for closing the penetrating part 34 will be described together with actions.
As shown in FIGS. 1 and 2, the through portion 34 is partitioned into the fire prevention partition wall W using a plurality of partition plates 35. Next, the support rack 20 is disposed in the penetrating portion 34. Next, a plurality of wiring / piping materials 33 are supported by the rack 22 of the support rack 20, and the wiring / piping materials 33 are penetrated through the fire prevention partition wall W.

  A large number of refractory treatment materials 11 are filled between the inner peripheral surface of the penetrating portion 34 and the outer surface of the wiring / pipe material 33. That is, a plurality of refractory treatment materials 11 are filled according to the size of the penetrating portion 34 in the horizontal direction, and a plurality of refractory treatment materials 11 are filled according to the size of the penetrating portion 34 in the vertical direction. In addition, the fireproof material 11 is filled in the penetration part 34 so that the thickness direction extends in the vertical direction. At this time, the fireproofing material 11 is filled in the gap in a compressed state using the cushioning properties and flexibility of the processing material body 12. For this reason, the refractory treatment material 11 is refractory treatment material adjacent to the inner peripheral surface of the through portion 34, the outer peripheral surface of the wiring / pipe material 33, and the vertical and horizontal directions of the through portion 34 due to the restoring force to the original shape. 11 is in pressure contact. Furthermore, since the metal layer 13b of the cover body 13 is exposed on the surface of the refractory treatment material 11, when the refractory treatment material 11 is filled in the gap between the refractory treatment materials 11, the friction between the refractory treatment materials 11 occurs. The refractory treatment materials 11 are easily slipped and filled with each other.

  Further, in the vertical direction and the horizontal direction of the penetrating part 34, gaps smaller than the size of the fireproofing material 11 are formed between the fireproofing materials 11 or between the inner peripheral surface of the penetrating part 34 and the support rack 20. In such a case, the refractory treatment material 11 is filled according to the size of the gap. At this time, the fireproof material 11 is cut into a required size and used. And as much as possible, the clearance gap between the fireproof processing material 11 and the wiring and piping material 33 is decreased. Next, a heat-expandable heat-resistant sealing material 29 is filled in the gap. Further, the adhesive tape 28 is attached so as to close a fine gap formed between the heat-expandable heat-resistant sealing material 29 and the wiring / pipe material 33 and the adjacent fire-resistant treatment material 11. For example, in the wiring / pipe material 33, the adhesive tape 28 is stuck so as to straddle the fireproof material 11 filled from the base portion on the penetrating portion 34 side.

  Furthermore, in the refractory treatment material 11 exposed on the surface of the fire prevention compartment wall W, the gap formed between the adjacent refractory treatment materials 11 was stuck to the adjacent refractory treatment material 11 so as to straddle the gap. It is blocked by the adhesive tape 28. The adhesive tape 28 is made of an aluminum base material and an adhesive layer provided on one surface of the base material. And in this embodiment, the adhesive tape 28 comprises the sticking part stuck by another fireproof processing material 11 adjacent in the penetration part 34. FIG.

As a result, the penetration part 34 of the fire prevention partition wall W is closed by the fireproofing material 11 and a closed structure of the penetration part 34 is formed.
By the way, in a building with fireproofing treatment applied to the fire barrier wall W and having a closed structure of the penetrating part, a fire is encountered on the front side of one wall of the fire barrier wall W, and the wiring / piping material 33 is burned. To do. At this time, it is the cover body 13 of the refractory treatment material 11 that is in pressure contact with the outer surface of the wiring / piping material 33. In the cover body 13, the metal layer 13 b is exposed on the surface of the refractory treatment material 11. For this reason, the heat from the combustion of the wiring / piping material 33 and the heat from the flame quickly propagate to the entire metal layer 13b. For this reason, heat is quickly transmitted from the metal layer 13 b to the entire surface of the treatment material main body 12.

  Then, the expanded graphite of the treatment material main body 12 expands due to the transmitted heat. At this time, since the expanded graphite is dispersed throughout the treatment material main body 12, the entire surface of the treatment material main body 12 expands in all directions. When the treatment material main body 12 expands, the cover body 13 is torn, and the expanded treatment material main body 12 further reduces the volume of the burnt wiring / piping material 33 or between the wiring / piping material 33 and the through portion 34. The gap is hermetically closed. As a result, the gap between the outer surface of the wiring / pipe material 33 and the through-hole 34 becomes a path for flame, smoke, toxic gas, and heat, and the flame, smoke, toxic gas, heat Is prevented from being transmitted, and the fireproofing material 11 exhibits a fireproofing function.

According to the above embodiment, the following effects can be obtained.
(1) The fireproof material 11 includes expanded graphite in the treatment material body 12 and a cover body 13 that covers the entire surface of the treatment material body 12. The cover body 13 is provided so that the metal layer 13 b is exposed on the surface of the fireproof material 11. For this reason, in the unlikely event that a fire is encountered, heat can be transferred to the entire surface of the refractory treatment material 11 by the metal layer 13b, and heat can be quickly transferred to the expanded graphite of the treatment material body 12. Therefore, at the time of a fire, even if the refractory treatment material 11 is heated from any surface, the entire treatment material main body 12 can be rapidly expanded. As a result, even if the treatment material main body 12 is covered with the cover body 13, the fireproof treatment material 11 can be easily constructed without requiring directivity for the construction of the fireproof treatment material 11.

  (2) The treatment material main body 12 of the fireproof treatment material 11 is covered with a cover body 13. Although the cushion material of the treatment material main body 12 is made of short fibers, it is possible to prevent the short fibers from being scattered by covering with the cover body 13.

  (3) The metal layer 13b of the cover body 13 is exposed on the surface of the fireproof material 11. For this reason, friction between the refractory treatment materials 11 is reduced by the metal layer 13b, and it is easy to slip. Therefore, when the fireproof material 11 is filled in the gap between the penetrating portions 34, the fireproof material 11 can be easily filled by sliding the fireproof material 11, and the fireproof material 11 can be easily constructed.

  (4) In the refractory treatment material 11, expanded graphite is dispersed throughout the treatment material main body 12. For this reason, even if heat is transmitted from the metal layer 13b to any side surface of the treatment material main body 12, the treatment material main body 12 can be expanded.

  (5) In the refractory treatment material 11, expanded graphite is dispersed throughout the treatment material main body 12. For this reason, when the fireproof material 11 is cut and used, expanded graphite also appears on the cut surface. Therefore, even if heat is transferred from the metal layer 13b to the cut surface of the treatment material main body 12, the treatment material main body 12 can be expanded.

  (6) In the fireproof processing material 11, the processing material main body 12 includes a cushion material. For this reason, the treatment material main body 12 itself expands at a high expansion rate when a fire or the like occurs while the treatment material main body 12 gives the fireproof treatment material 11 cushioning and flexibility. Therefore, the treatment material main body 12 itself is not crushed and the penetration part 34 can be reliably closed by the fireproof treatment material 11.

  (7) In the penetration part 34, the adhesive tape 28 is stuck between the adjacent refractory treatment materials 11. For this reason, the adhesive tape 28 can prevent the displacement of the fireproof material 11 in the through-hole 34.

  (8) The cover body 13 is formed by vapor-depositing a metal layer 13b on the glass cloth 13a. For this reason, it is possible to prevent the glass cloth 13a and the metal layer 13b from being separated, and when the fireproof material 11 is filled in the through portion 34, the metal layer 13b can be prevented from being separated (separated) from the glass cloth 13a. The state where the material main body 12 is covered with the metal layer 13b can be maintained.

  (9) In the closing structure and closing method of the penetrating portion 34, the gap formed between the adjacent refractory treatment materials 11 is closed by the adhesive tape 28. The adhesive tape 28 includes a metal base material and an adhesive layer provided on one surface of the base material. For this reason, the adhesive tape 28 is not easily burned out by the metal layer in the event of a fire and can close the gap between the refractory treatment materials 11 until the treatment material main body 12 expands. And the intrusion of smoke.

In addition, you may change the said embodiment as follows.
In the embodiment, the fireproof processing material 11 is configured to cover the processing material main body 12 one by one with the cover body 13. However, the fireproof processing material is configured to wrap a plurality of processing material main bodies 12 together in one cover body. It is good.

  As shown in FIG. 7, in the refractory treatment material 50, the cover body 40 has a long band shape, and includes a plurality of accommodating portions 41 that accommodate the treatment material main bodies 12 one by one in the longitudinal direction of the cover body 40. The cover body 40 is formed by vapor-depositing an aluminum metal layer 13b on a glass cloth 13a, as in the embodiment. Moreover, the cover body 40 is provided with the connection part 42 which connects accommodating part 41 between the accommodating parts 41 adjacent to a longitudinal direction.

  When configured in this manner, the fireproof processing material 50 integrally includes a plurality of processing material main bodies 12, so that the plurality of processing material main bodies 12 can be filled into the penetrating portion 34 in a single filling operation. Moreover, the processing material main body 12 can be divided | segmented into one or more from the connection part 42, and the size of the fireproof processing material 50 can also be made small. At this time, since the fireproof material 50 is divided from the connecting portion 42, it is not necessary to directly cut the treatment material body 12, and the cushion material can be prevented from scattering from the cut surface.

In the cover body 13, the bonding method of the glass cloth 13a and the metal layer 13b may not be vapor deposition, but may be bonding with an adhesive or thermal welding.
(Circle) the adhesive tape 28 joined to the refractory treatment materials 11 may not be wholly or partially. For example, the adhesive tape 28 may be omitted in a portion where the adjacent refractory treatment materials 11 are filled without a gap. Moreover, when filling the penetration part 34 with the fireproofing material 11, you may integrate the some fireproofing material 11 with the adhesive tape 28 previously, and you may fill the penetration part 34 in the integrated state. Alternatively, the adhesive tape 28 may be provided so as to be freely attached to and removed from the refractory treatment material 11, and in this case, when the size of the plurality of integrated refractory treatment materials 11 is larger than the penetrating portion 34. Can remove the adhesive tape 28 and reduce the number of integrated fireproofing materials 11. On the other hand, when the size of the plurality of integrated refractory treatment materials 11 is smaller than the penetrating portion 34, the number of the integrated refractory treatment materials 11 can be increased by adding an adhesive tape 28.

  O Adhesive tape 28 is stuck on one fireproof material 11 among the fireproof materials 11 adjacent in the penetration part 34, and this one fireproof material 11 is stuck to the metal layer 13b as a sticking part. It is good also as the fireproofing material 11 provided with the adhesive tape 28 of this. Moreover, you may form a sticking part with the double-sided tape which is not equipped with the base material made from aluminum, but an adhesive layer exposes on both surfaces.

  The pressure-sensitive adhesive tape 28 may be a double-sided tape that does not include an aluminum base material and has an adhesive layer exposed on both sides. In this case, a double-sided tape is interposed between the opposing surfaces of the adjacent refractory treatment materials 11, and the adjacent refractory treatment materials 11 are joined together by the double-sided tape.

If comprised in this way, compared with the case where the refractory processing material 11 is filled into the penetration part 34 one by one, the workability | operativity of a filling operation | work will improve.
The metal layer 13b of the cover body 13 is not limited to aluminum but may be formed of other metal materials.

The glass cloth 13a of the cover body 13 may be another fiber material, and may be appropriately changed without being limited to the fiber material such as carbon fiber and nonwoven fabric.
In the embodiment, the cover body 13 is formed in a sheet shape, and the cover body 13 is folded so as to cover the treatment material main body 12. However, the cover body 13 is formed in a bag shape having an insertion port, and the cover body 13 is processed in the cover body 13. After the material main body 12 is accommodated, the fireproof material 11 may be formed by closing the insertion port.

The cushion material of the treatment material main body 12 may be appropriately changed as long as it is a short fiber of an inorganic compound having nonflammability and flame retardancy that can impart cushioning properties to the treatment material main body 12.
The cushion material of the treatment material body 12 may be, for example, a flame retardant sponge or rubber.

The treatment material main body 12 does not have to be a cuboid lump, and may be a cuboid obtained by laminating a plurality of layers formed by adding expanded graphite to a cushion material.
(Circle) the processing material main body 12 and the cover body 13 may be adhere | attached with the adhesive agent.

The refractory treatment material 11 does not have to be a rectangular parallelepiped shape, and the shape may be changed to a spherical shape, an octahedral shape, or a triangular pyramid shape.
In the refractory treatment material 11, the expanded graphite may be dispersed only on both surfaces in the thickness direction of the treatment material body 12, and the thermal expansion portions may be provided on both surfaces in the thickness direction of the treatment material body 12.

  In the refractory treatment material 11, the cover body 13 may not cover the entire surface of the treatment material main body 12, for example, five side surfaces so that only one of the six side surfaces of the treatment material main body 12 is exposed. May be covered. In this case, the two side surfaces having the largest area among the six side surfaces are covered.

The heat-expandable material may be other heat-expandable materials such as unburned vermiculite in addition to expanded graphite.
In the fire prevention partition wall W, the through portion 34 may be formed inside a cylindrical sleeve disposed along the inner peripheral surface of the through hole that penetrates the fire protection partition wall W.

  ○ The fire compartment may be a fire compartment floor.

  W: Fire prevention compartment wall as fire prevention compartment, 11, 50 ... Fireproof material, 12 ... Treatment material body, 13, 40 ... Cover body, 13a ... Glass cloth as base sheet, 13b ... Metal layer, 28 ... Paste Adhesive tape as a landing part, 33 ... wiring / piping material, 34 ... penetrating part, 41 ... accommodating part, 42 ... connecting part.

Claims (9)

A fireproofing material filled between the inner surface of the penetration part formed through the fireproof compartment of the building in the thickness direction and the wiring / piping material inserted through the penetration part,
It has a processing material body that forms a flat block shape, and has a thermal expansion part made of a thermally expandable material at least on both sides in the thickness direction of the processing material body,
A fireproof treatment material comprising a cover body having a metal layer, wherein the cover body covers the treatment material main body with the metal layer exposed on a surface.   The treatment material body has a flat block-shaped cushion material, the thermal expansion material is dispersed throughout the cushion material, and the thermal expansion portion is provided in the entire treatment material body. Item 2. A fireproofing material according to item 1.   The said metal layer is a refractory material of Claim 1 or Claim 2 provided with the sticking part stuck to another refractory material adjacent in the said penetration part.   The said cover body is equipped with the connection part which connects the said accommodating parts between the said adjacent accommodating parts while providing the bag-shaped accommodating part which accommodates the said whole processing material main body with multiple. The fireproofing material as described in any one of these.   The said cover body is a refractory treatment material as described in any one of Claims 1-4 currently formed by vapor-depositing the said metal layer on a base material sheet. A penetration portion formed by filling a fireproof material between the inner surface of the penetration portion formed through the fire prevention compartment of the building in the thickness direction and the wiring / pipe material inserted through the penetration portion. A closed structure,
The refractory treatment material includes a treatment material main body having a flat block shape, and has a thermal expansion portion made of a heat-expandable material on both surfaces in the thickness direction of the treatment material main body, and a cover body having a metal layer, The cover body covers the treatment material body with the metal layer exposed on the surface,
A plurality of the refractory treatment materials are filled in accordance with the vertical and lateral sizes of the penetrating portion, and a gap between the adjacent refractory treatment materials is provided on a metal base and one surface of the base. A closed structure of the penetrating portion, which is closed by an adhesive tape comprising an adhesive layer.   The treatment material body has a flat block-shaped cushion material, the thermal expansion material is dispersed throughout the cushion material, and the thermal expansion portion is provided in the entire treatment material body. Item 7. The through-hole closing structure according to Item 6. A penetration portion formed by filling a fireproof material between the inner surface of the penetration portion formed through the fire prevention compartment of the building in the thickness direction and the wiring / pipe material inserted through the penetration portion. A closing method,
The refractory treatment material includes a treatment material main body having a flat block shape, and has a thermal expansion portion made of a heat-expandable material on both surfaces in the thickness direction of the treatment material main body, and a cover body having a metal layer, The cover body covers the treatment material body with the metal layer exposed on the surface,
A plurality of the refractory treatment materials are filled in accordance with the vertical and lateral sizes of the penetrating portions, and a gap between the adjacent refractory treatment materials is provided on a metal base and one surface of the base. A method for closing a penetrating portion, wherein the penetrating portion is closed with an adhesive tape comprising an adhesive layer.   The treatment material body has a flat block-shaped cushion material, the thermal expansion material is dispersed throughout the cushion material, and the thermal expansion portion is provided in the entire treatment material body. Item 9. A method for closing a penetration part according to Item 8.