JP3060086B2 - Manufacturing method of fireproof coating material - Google Patents
Manufacturing method of fireproof coating materialInfo
- Publication number
- JP3060086B2 JP3060086B2 JP7183510A JP18351095A JP3060086B2 JP 3060086 B2 JP3060086 B2 JP 3060086B2 JP 7183510 A JP7183510 A JP 7183510A JP 18351095 A JP18351095 A JP 18351095A JP 3060086 B2 JP3060086 B2 JP 3060086B2
- Authority
- JP
- Japan
- Prior art keywords
- fleece
- absorbing material
- inorganic
- heat absorbing
- coating material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Building Environments (AREA)
- Laminated Bodies (AREA)
- Producing Shaped Articles From Materials (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Description
【0001】[0001]
【産業上の利用分野】本発明は、建物の梁や柱などの鉄
骨を保護するのに使用する繊維質耐火被覆材の製造方法
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for producing a fibrous refractory coating used for protecting steel frames such as beams and columns of buildings.
【0002】[0002]
【従来の技術】従来、建物の梁や柱などの鉄骨を火災発
生時の火焔から保護する耐火被覆材として、ロックウー
ル(またはグラスウール)からなるフェルトを基材と
し、この基材にそれより耐熱性の高いセラミック繊維を
積層し、その上に金網を重ね、それらを金属ワイヤーで
縫合して一体複合化した耐熱被覆材が提案されている。2. Description of the Related Art Conventionally, as a fireproof coating material for protecting steel beams such as beams and columns of a building from a fire in the event of a fire, a felt made of rock wool (or glass wool) is used as a base material, and the base material is made of a heat resistant material. There has been proposed a heat-resistant coating material in which ceramic fibers having high properties are laminated, a wire mesh is laminated thereon, and they are stitched with a metal wire to be integrally integrated.
【0003】[0003]
【発明が解決しようとする課題】前記複合型耐火被覆材
は、その製造工程が複雑で生産性に難点があること、ま
たロックウール(またはグラスウール)の断熱性を補う
べく、高価なセラミック繊維を併用するため、コスト高
となる等の欠点がある。The composite type refractory coating material is difficult to manufacture because of its complicated manufacturing process, and expensive ceramic fibers are used to supplement the heat insulating property of rock wool (or glass wool). Since they are used together, there are disadvantages such as an increase in cost.
【0004】[0004]
【発明の目的】本発明は、製造工程の簡易化が図れると
共に断熱性能に優れ、かつ低コストで構成できる繊維質
耐火被覆材の製造方法を提供することを主たる目的とし
ている。SUMMARY OF THE INVENTION An object of the present invention is to provide a method for producing a fibrous refractory coating material which can simplify the production process, has excellent heat insulation performance, and can be constituted at low cost.
【0005】[0005]
【0006】本発明による繊維質耐火被覆材の製造方法
は、製繊時に結合剤を均一に撒布した無機繊維のフリー
スを形成する工程と、このフリース上面に無機質吸熱材
を撒布する工程と、フリースをベルトコンベアの移送方
向と直行する方向に往復動させてジグザグ状にずらしな
がら所要枚数折り重ね、圧縮加熱して層間に無機質吸熱
材が存在するマット状に形成する工程から成ることを特
徴としている。 A method for producing a fibrous refractory coating according to the present invention.
Is free of inorganic fibers with binder uniformly spread during fiber production
Process of forming a fleece and an inorganic heat absorbing material
And how to transfer the fleece on the belt conveyor
Reciprocate in a direction perpendicular to the
The required number of sheets are folded, compressed and heated, and inorganic heat is absorbed between layers.
It is characterized in that it comprises a process of forming into a mat shape where the material exists.
It is a sign.
【0007】前記フリースを作るための無機繊維には、
例えばロックウール、グラスウール等が適当であるが、
その他の無機繊維でも任意に選択使用できる。前記フリ
ース上に撒布する無機質吸熱材とは、加熱時に分解によ
る吸熱反応を伴う材料を言い、その材料としては無機水
酸化物、炭酸化合物等が考えられる。例えば水酸化マグ
ネシウム、石膏、硼酸等を含む水酸化物、炭酸カルシウ
ム、炭酸マグネシウム等の炭酸塩が挙げられ、その使用
量は最終製品のマットの重量に対して30〜70重量%
の範囲が好ましい。前記無機質吸熱材は、それ単独でフ
リース上面に撒布するが、粉状結合剤で粉衣した形態で
使用してもよい。[0007] Inorganic fibers for making the fleece include:
For example, rock wool and glass wool are suitable,
Other inorganic fibers can be arbitrarily selected and used. The inorganic heat absorbing material sprayed on the fleece refers to a material that undergoes an endothermic reaction due to decomposition at the time of heating, and may be an inorganic hydroxide, a carbonate compound, or the like. For example, hydroxides containing magnesium hydroxide, gypsum, boric acid, etc., and carbonates such as calcium carbonate, magnesium carbonate, etc., are used in an amount of 30 to 70% by weight based on the weight of the mat of the final product.
Is preferable. The inorganic heat absorbing material is sprayed alone on the upper surface of the fleece, but may be used in a form coated with a powdery binder.
【0008】[0008]
【作用】本発明の耐火被覆材の製造方法によれば、繊維
のフリース形成工程とフリース上面への無機質吸熱材の
撒布工程とフリースの圧縮加熱工程が連続一貫した工程
からなるため、耐熱性に優れた繊維質耐火被覆材が低コ
ストで得られる。 According to the method for producing a refractory coating material of the present invention, a fiber
Fleece forming process and inorganic heat absorbing material on the top surface of fleece
Continuous and consistent process of spraying and fleece compression heating
The use of a fibrous refractory coating with excellent heat resistance
Obtained by strike.
【0009】本発明方法によって得られた繊維質耐火被
覆材は、無機質吸熱材を含む繊維フリースがマット状に
圧縮成形された構造となっているので、加熱時に前記無
機質吸熱材が熱分解し、結晶水や吸着水の脱水に伴う吸
熱反応により昇温遅延効果が発現する。その結果、この
耐火被覆材で被覆された鋼材の温度上昇が抑えられる。
したがって、ロックウールやガラスウール等の繊維を使
用しても、それより高 い耐熱性を有する繊維質耐火被覆
材として構成することが可能となる。 Fibrous refractory cladding obtained by the method of the present invention
As for the covering material, a fiber fleece containing an inorganic heat absorbing material
Due to the compression molded structure,
The heat-absorbing material is thermally decomposed and absorbs water due to dehydration of crystal water and adsorbed water.
The thermal reaction produces a temperature-rise delay effect. As a result, this
The temperature rise of the steel material coated with the refractory coating material is suppressed.
Therefore, use fibers such as rock wool and glass wool.
Also use, fibrous refractory coating having high have heat resistance than
It can be configured as a material.
【0010】[0010]
【実施例】以下に、本発明を実施例に基づいて詳しく説
明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail based on embodiments.
【0011】実施例1 銑鉄鉱滓、玄武岩、ドロマイト等からなる原料混合物を
キユーポラで溶解し、次いで繊維化と同時に、結合剤と
なるフェノール樹脂を繊維化されたロックウールに対し
て1.5wt%の割合で吹き付け、厚さ20mm、密度
10kg/m3のフリースを得、このフリースを、図1
および図2に示すペンジュラム型(振子型)無端走行ベ
ルトコンベアを介して無端走行ベルト4上で積層し、マ
ット化した。即ち、前記フリースAを水平状に配置され
た無端走行ベルトコンベア1上にのせ、無機質吸熱材B
として、粉状結合剤で粉衣した粉状水酸化アルミニウム
を撒布口2からフリース上に40wt%(最終製品の重
量に対して)撒布し、次いで、そのフリースをベルトコ
ンベア1の終端側の下方部位にあって、上端を支点とし
て矢印方向に振子のように往復動可能なペンジュラム型
走行ベルトコンベア3,3間を通過させながら、その下
端放出口側に配置された無端走行ベルトコンベア4上に
落下させる操作により、フリースのベルトコンベア4へ
の供給位置をそのベルトコンベアの移送方向と直交する
方向に往復動させてジグザグ状にすることで、フリース
を6枚重ねに折り重ね、その折り重ねたフリースの層間
に無機質吸熱材を存在させた状態で圧縮しながらフェノ
ール樹脂を加熱硬化させ、同時に無機質吸熱材に粉衣さ
れた粉状結合剤を加熱硬化して、無機質吸熱材の囲りに
皮膜を形成せしめ、厚さ50mm、幅600mm、密度
150kg/m3のマットを得た。Example 1 A raw material mixture consisting of pig iron slag, basalt, dolomite, etc. was melted with Keupora, and then, at the same time as fibrillation, a phenol resin as a binder was added in an amount of 1.5 wt% with respect to the fibrillated rock wool. The fleece having a thickness of 20 mm and a density of 10 kg / m 3 was obtained by spraying at a rate.
And a pendulum type (pendulum type) endless running belt shown in FIG.
It was laminated on the endless running belt 4 via a belt conveyor to form a mat. That is , the fleece A is placed on the endless running belt conveyor 1 arranged horizontally, and the inorganic heat absorbing material B
As a result, 40 wt% (based on the weight of the final product) of powdered aluminum hydroxide coated with a powdery binder is sprayed onto the fleece from the spraying port 2, and then the fleece is placed below the end side of the belt conveyor 1. In the part, with the upper end as the fulcrum
The fleece belt is operated by dropping onto an endless running belt conveyor 4 arranged on the lower end discharge port side while passing between pendulum type running belt conveyors 3 and 3 which can reciprocate like a pendulum in the direction of an arrow. The feed position to the conveyor 4 is reciprocated in a direction perpendicular to the transport direction of the belt conveyor to form a zigzag shape, so that the fleece is folded into six layers, and the layer of the folded fleece is folded.
Phenol while compressing it with an inorganic heat absorbing material
Heat-cured resin, and at the same time,
Heat and harden the powdered binder to surround the inorganic heat absorbing material.
A film was formed to obtain a mat having a thickness of 50 mm, a width of 600 mm, and a density of 150 kg / m 3 .
【0012】比較例1 無機質吸熱材をフリース上に撒布しないで、実施例1と
同様な方法でマット状の耐火被覆材を得た。上記実施例
1および比較例1で得られた耐火被覆材をそれぞれ供試
体とし、図3に示す試験装置を用いて耐火性能試験を行
う。即ち、各供試体Sを1000℃に昇温した電気炉の
開口部5に取り付け、その手前側を鉄板6を介してケイ
酸カルシウム成形板7で覆い、鉄板6の裏側に取り付け
たK熱電対8により供試体の裏面温度を測定した。その
裏面温度を図4のグラフに示す。このグラフに示すよう
に、例えば、350℃到達時間において、比較例1の供
試体が約35分であるのに対し、実施例1の供試体は約
60分を示し、同じ厚さのもので本発明の製造品の耐火
性能は従来品に比べて格段と優れていることが認められ
た。Comparative Example 1 A mat-like refractory coating material was obtained in the same manner as in Example 1 without spraying the inorganic heat absorbing material on the fleece. Using the refractory coating materials obtained in Example 1 and Comparative Example 1 as test specimens, a fire resistance test is performed using a test apparatus shown in FIG. That is, each specimen S was attached to the opening 5 of the electric furnace heated to 1000 ° C., its front side was covered with the calcium silicate molded plate 7 via the iron plate 6, and the K thermocouple attached to the back side of the iron plate 6. The back surface temperature of the specimen was measured according to 8. The back surface temperature is shown in the graph of FIG. As shown in this graph, for example, at the time of reaching 350 ° C., the specimen of Comparative Example 1 was about 35 minutes, while the specimen of Example 1 was about 60 minutes, and had the same thickness. It was recognized that the fire resistance of the manufactured product of the present invention was much better than the conventional product.
【0013】[0013]
【発明の効果】以上、詳述したように、本発明の製造方
法によれば、乾式製法であるため、成形体の含水率が低
く、乾燥に要する時間と所要熱量が少なくてすむもの
で、生産性に優れ、低コストの繊維質耐火被覆材が得ら
れる。 As described in detail above, the production method of the present invention
According to the method, the moisture content of the molded body is low because of the dry manufacturing method.
Less drying time and less heat required
High-performance, low-cost fibrous refractory coating
It is.
【0014】加えて、本発明の製造方法によって得られ
た繊維質耐火被覆材は、そのフリース層間にある無機質
吸熱材料が加熱時に分解し、結晶水や吸着水の脱水に伴
う吸熱反応により昇温停滞効果があるので、従来の繊維
耐火被覆材に比べて鋼材の温度上昇を低く抑えることが
でき、それだけ被覆層の厚みを薄くすることが可能とな
る。さらに加えて、本発明の製造方法によれば、繊維の
フリース形成工程とフリース上面への無機質吸熱材の撒
布工程とフリースの圧縮加熱工程が連続一貫した工程か
らなるため、耐熱性に優れた繊維質耐火被覆材が低コス
トで得られる。 [0014] In addition, it is obtained by the production method of the present invention.
The fibrous refractory coating is an inorganic material between the fleece layers.
The endothermic material decomposes when heated, resulting in dehydration of crystallization water and adsorbed water.
The endothermic reaction has the effect of stagnation
It is possible to keep the temperature rise of steel materials lower than that of refractory coating materials.
And the thickness of the coating layer can be reduced accordingly.
You. In addition , according to the production method of the present invention, the fiber
Fleece forming process and dispersion of inorganic heat absorbing material on top of fleece
Is the cloth process and fleece compression heating process continuous and consistent?
Fiber coating material with excellent heat resistance
Can be obtained.
【図面の簡単な説明】[Brief description of the drawings]
【図1】本発明の製造方法の実施する装置の正面図であ
る。FIG. 1 is a front view of an apparatus for performing a manufacturing method of the present invention .
【図2】前記装置の側面図である。FIG. 2 is a side view of the device.
【図3】耐火性能試験装置の構成図である。FIG. 3 is a configuration diagram of a fire resistance performance test apparatus.
【図4】耐火性能試験結果を示すグラフである。FIG. 4 is a graph showing fire resistance performance test results.
A 繊維フリース B 無機質吸熱材 1 水平配置の無端走行ベルトコンベア 2 無機質吸熱材の撒布口 3 ペンジュラム型無端走行ベルトコンベア 4 水平配置の無端走行ベルトコンベア 5 電気炉の開口部 6 鉄板 7 ケイ酸カルシウム成形板 8 K熱電対 S 供試体 Reference Signs List A Fiber fleece B Inorganic heat absorbing material 1 Horizontally disposed endless running belt conveyor 2 Spraying port for inorganic heat absorbing material 3 Pendulum-type endless running belt conveyor 4 Horizontally disposed endless running belt conveyor 5 Electric furnace opening 6 Iron plate 7 Calcium silicate Plate 8 K thermocouple S Specimen
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 FI B32B 19/06 B32B 19/06 C04B 32/00 C04B 32/00 A E04B 1/94 E04B 1/94 Y (72)発明者 小林 昇 長野県上水内郡牟礼村大字牟礼396 (56)参考文献 特開 昭50−56573(JP,A) 特開 昭55−30999(JP,A) 特開 昭50−15812(JP,A) 特公 昭38−14294(JP,B1) (58)調査した分野(Int.Cl.7,DB名) B28B 5/02 B28B 1/52 B28B 13/02 C04B 32/00 E04B 1/94 ────────────────────────────────────────────────── ─── Continued on the front page (51) Int.Cl. 7 Identification symbol FI B32B 19/06 B32B 19/06 C04B 32/00 C04B 32/00 A E04B 1/94 E04B 1/94 Y (72) Inventor Kobayashi Noboru 396, Mure-mura, Kamirenai-gun, Nagano Pref. (56) References JP-A-50-56573 (JP, A) JP-A-55-30999 (JP, A) JP-A-50-15812 (JP, A) 38-14294 (JP, B1) (58) Fields investigated (Int. Cl. 7 , DB name) B28B 5/02 B28B 1/52 B28B 13/02 C04B 32/00 E04B 1/94
Claims (1)
維のフリースを形成する工程と、このフリース上面に無
機質吸熱材を撒布する工程と、フリースをベルトコンベ
アの移送方向と直行する方向に往復動させてジグザグ状
にずらしながら所要枚数折り重ね、圧縮加熱して層間に
無機質吸熱材が存在するマット状に形成する工程から成
ることを特徴とする耐火被覆材の製造方法。 Claims: 1. An inorganic fiber in which a binder is uniformly dispersed during fiber production.
The process of forming a fiber fleece and the
Spreading material heat absorbing material and belt fleece
Reciprocating in the direction perpendicular to the transfer direction
Fold the required number of sheets while shifting the
It consists of a process of forming into a mat shape with an inorganic heat absorbing material.
A method for producing a refractory coating material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7183510A JP3060086B2 (en) | 1995-06-27 | 1995-06-27 | Manufacturing method of fireproof coating material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7183510A JP3060086B2 (en) | 1995-06-27 | 1995-06-27 | Manufacturing method of fireproof coating material |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0913533A JPH0913533A (en) | 1997-01-14 |
JP3060086B2 true JP3060086B2 (en) | 2000-07-04 |
Family
ID=16137108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7183510A Expired - Fee Related JP3060086B2 (en) | 1995-06-27 | 1995-06-27 | Manufacturing method of fireproof coating material |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3060086B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7735539B2 (en) | 2007-12-28 | 2010-06-15 | Nohara Guard System Co. Ltd. | Fire-resistant smoke-suppressant device |
-
1995
- 1995-06-27 JP JP7183510A patent/JP3060086B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH0913533A (en) | 1997-01-14 |
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