JPH1085704A - Frp waste treatment - Google Patents

Frp waste treatment

Info

Publication number
JPH1085704A
JPH1085704A JP8261157A JP26115796A JPH1085704A JP H1085704 A JPH1085704 A JP H1085704A JP 8261157 A JP8261157 A JP 8261157A JP 26115796 A JP26115796 A JP 26115796A JP H1085704 A JPH1085704 A JP H1085704A
Authority
JP
Japan
Prior art keywords
rock wool
raw material
waste
furnace
frp
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.)
Granted
Application number
JP8261157A
Other languages
Japanese (ja)
Other versions
JP3899563B2 (en
Inventor
Arata Kasai
新 河西
Atsushi Yamazawa
淳 山沢
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nitto Boseki Co Ltd
Original Assignee
Nitto Boseki Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nitto Boseki Co Ltd filed Critical Nitto Boseki Co Ltd
Priority to JP26115796A priority Critical patent/JP3899563B2/en
Publication of JPH1085704A publication Critical patent/JPH1085704A/en
Application granted granted Critical
Publication of JP3899563B2 publication Critical patent/JP3899563B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/002Thermal treatment
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B3/00Charging the melting furnaces
    • C03B3/02Charging the melting furnaces combined with preheating, premelting or pretreating the glass-making ingredients, pellets or cullet
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/70Cleaning, e.g. for reuse
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/50Glass production, e.g. reusing waste heat during processing or shaping

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Gasification And Melting Of Waste (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

PROBLEM TO BE SOLVED: To prevent carbon components from being mixed with glass fibers in waste matter and make the resultant glass fibers re-usable as glass fibers by removing organic substances in the waste matter by oxidation combustion and introducing the resultant combustion waste into a melting furnace before the heat is radiated and lost. SOLUTION: A mixture, for example pot refuse for leisure manufactured by hand lay up method, rock wool shot refuse, and gravel-like rock wool raw materials, is supplied to a fluidized bed-type combustion furnace 1. While utilizing a gas burner as an auxiliary heating apparatus, organic substances are burned and removed. Immediate after the treatment, the resultant mixture is supplied to an electric furnace 3 provided with a graphite electrode by a means 2 made of a heat resistant metal. The mixture is melted at about 1450 deg.C in the electric furnace. The heated raw materials in the melted state are supplied to a fiber-making apparatus 4 for rock wool and converted into rock wool fibers. As a result, raw material mixtures are made re usable as rock wool fibers.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明はFRP廃棄物の処理
方法に関するものである。
The present invention relates to a method for treating FRP waste.

【0002】[0002]

【従来の技術】ガラス繊維を使用したFRP製品が不要
になったとき、焼却してもガラス繊維が残り、焼却する
とかえって焼却前より体積が増加したり、繊維が脆くな
り作業中に周囲に飛散しかえって扱い難いものとなる。
またガラス繊維は不燃性で腐らないので埋め立て処分し
てもなんら問題はないのであるが、繊維が長く強いので
コンパクトに圧縮しにくいため嵩高で処理費用がかさむ
という問題がある。そのため、FRP廃棄物を細かく砕
き、粉末状にしたものをコンクリ−トに入れたり、FR
Pに使用する充填剤として再利用するなどの試みがされ
ている。しかし技術的、経済的に種々の問題があるため
なかなか十分な量を処理し有効利用するまでには至って
いない。これらの問題を解決するため、FRPの廃棄物
を適当な大きさに粉砕したものを直接、断熱材、吸音材
などに使用されるガラス短繊維の原料ガラス溶融炉中に
投入し、FRP製品中の樹脂成分を加熱用燃料に利用し
ながらガラス繊維部分を原料の一部として溶融し、ガラ
ス短繊維を製造する方法が特開平6−40735号公報
に開示されている。
2. Description of the Related Art When an FRP product using glass fiber becomes unnecessary, the glass fiber remains even after incineration, and when incinerated, the volume increases compared to before incineration, and the fiber becomes brittle and scatters around during work. On the contrary, it becomes difficult to handle.
In addition, glass fiber is nonflammable and does not rot, so there is no problem in landfill disposal. However, since the fiber is long and strong, it is difficult to compress it compactly, and there is a problem that bulky and expensive processing is required. For this reason, FRP waste is finely crushed and powdered into concrete,
Attempts have been made to reuse it as a filler for P. However, due to various technical and economical problems, it has not yet been possible to treat a sufficient amount and use it effectively. In order to solve these problems, FRP waste is pulverized to an appropriate size and directly poured into a raw glass melting furnace for short glass fibers used for heat insulation and sound absorbing materials. Japanese Patent Application Laid-Open No. 6-40735 discloses a method of manufacturing glass short fibers by melting a glass fiber portion as a part of a raw material while using the resin component of (1) as a heating fuel.

【0003】しかしながら、FRPの製品の樹脂含有率
は成形方法により違い、例えばハンドレイアップ方法で
は樹脂の含有量は約70重量%、フィラメントワインデ
ィング法では約30重量%など、その屑が、どの成型方
法によって製造されたかによって樹脂の含有量に大きな
差がある。また難燃剤を使用したものも混じり樹脂の燃
焼速度が違う。このような差があるので最適の燃焼条件
が違い、これら種々の原料を同じ炉で使用するには炉内
の酸化条件のコントロ−ルが難しく、屑ガラス繊維の表
面に炭素成分が残る危険があった。炭素成分が溶融原料
中に巻き込まれると気泡が発生したり、繊維が切れやす
くなるなどの問題が起きるため、樹脂の燃焼をより高め
るため炉内の状況に応じて酸素あるいは空気の炉内導入
をするなどの高度の操炉技術を必要としていた。しか
も、溶融炉の内部は高温で赤熱状態であり溶融原料中の
炭素成分がどのような状況であるか把握することは非常
に困難であった。
However, the resin content of FRP products differs depending on the molding method. For example, the resin content is about 70% by weight in the hand lay-up method and about 30% by weight in the filament winding method. There is a large difference in the resin content depending on whether it is manufactured by the method. In addition, the use of a flame retardant also results in a different resin burning speed. Because of these differences, the optimum combustion conditions are different. If these various materials are used in the same furnace, it is difficult to control the oxidation conditions in the furnace, and there is a risk that carbon components remain on the surface of the waste glass fiber. there were. If the carbon component is entrained in the molten raw material, there will be problems such as the generation of air bubbles and the tendency for the fibers to break, so oxygen or air must be introduced into the furnace according to the conditions inside the furnace to further increase the resin combustion. And required advanced furnace control techniques. In addition, the inside of the melting furnace is in a red-hot state at a high temperature, and it is very difficult to grasp the condition of the carbon component in the molten raw material.

【0004】[0004]

【発明が解決しようとする課題】この様にFRP廃棄物
は、大量に発生するにもかかわらず、その処理には決め
手がない。本発明はFRP廃棄物を直接、溶融炉に投入
する時、炭素成分が溶融物中に入るのを防ぎ、大量に製
造されるガラス短繊維あるいはロックウ−ルの原料の一
部をFRP廃棄物中のガラス繊維や充填剤により代替し
ようとするものである。
As described above, although a large amount of FRP waste is generated, its treatment is indeterminate. The present invention prevents the carbon component from entering the melt when the FRP waste is directly introduced into the melting furnace, and removes a part of the raw materials of glass short fibers or rock wool produced in large quantities into the FRP waste. Of glass fibers and fillers.

【0005】[0005]

【課題を解決するための手段】本発明は、FRP廃棄物
中のガラス繊維をガラス短繊維あるいはロックウ−ルの
原料として溶融炉に投入するに当たり、有機物を予め燃
焼酸化して除去する。そして除去する過程で加熱された
材料の熱が屑から逃げないうちに溶融炉に投入し、予熱
の効果を最大限に利用しFRP廃棄物を有効利用するも
のである。
According to the present invention, when glass fibers in FRP waste are introduced into a melting furnace as raw materials for short glass fibers or rock wool, organic substances are removed by combustion and oxidation in advance. Then, the heat of the material heated in the removing process is supplied to the melting furnace before the heat escapes from the waste, and the FRP waste is effectively used by maximizing the effect of the preheating.

【0006】[0006]

【発明の実施の形態】本発明でFRP廃棄物とは、ガラ
ス繊維を使用したFRP製品、射出成型製品あるいはこ
れらの製造工程で発生する屑、切れ端、不良品あるいは
FRPのバスタブ、レジャ−用ボ−ト、漁船、構造物な
どの耐用年数が経過し不要になったものの破砕品など、
樹脂を使用した製品で焼却してもガラス繊維が残るもの
を意味する。FRP廃棄物の使用形態としては、原料保
管ホッパ−から公知の取り出し方法、輸送方法を使用し
焼却炉に供給するので、公知のFRP製品の破砕、粉砕
方法によりホッパ−中でブリッジ現象を起こすことなく
容易に取り出せる形態にしたものが好ましい。使用原料
により設備設計者がホッパ−形状を考えて、例えば、F
RPなら1辺の長さが5cm以下好ましくは1cm以下
と設定することが出来るし、もし必要であれば、1mm
以下の粉体とすることも出来る。これらのFRP廃棄物
はFRP廃棄物単独で焼却することも、ガラス短繊維あ
るいはロックウ−ル原料と混合して焼却することもでき
る。
BEST MODE FOR CARRYING OUT THE INVENTION In the present invention, the term "FRP waste" refers to an FRP product using glass fiber, an injection-molded product, or debris, chips, defective products, or a FRP bathtub or bottle for regers generated in the production process thereof. -Ships, fishing boats, structures, etc. whose useful life has passed and are no longer needed
It means a product that uses a resin and remains glass fibers even when incinerated. FRP waste is used in a manner known in the art. The FRP product is supplied to the incinerator using a known removal method and transport method from the raw material storage hopper. It is preferable to use one that can be easily taken out without using. The equipment designer considers the shape of the hopper depending on the raw material used, and for example, F
In the case of RP, the length of one side can be set to 5 cm or less, preferably 1 cm or less, and if necessary, 1 mm
The following powders can also be used. These FRP wastes can be incinerated by the FRP waste alone, or can be incinerated by mixing with short glass fiber or rock wool raw material.

【0007】FRP廃棄物の燃焼熱を原料の予熱に有効
に利用することができるので、ガラス短繊維、またはロ
ックウ−ル原料とFRP廃棄物とを混合して焼却するこ
とが望ましいが、FRP廃棄物のみを焼成することもで
きる。その場合、焼成したものをガラス短繊維、ロック
ウ−ルの原料と別々に溶融炉に投入したり、それらの原
料と混合してから投入することも出来る。これらのFR
P廃棄物を加熱し有機物を除去する焼却手段には、通常
使用される各種の公知の産業用廃棄物焼却炉が使用でき
る。たとえば、大型のものでは移動床型、ロ−タリ−キ
ルン型、小型のものでは、直火型、あるいは乾留型など
の焼却炉が例示出来る。これらの炉には補助加熱用の装
置、例えばガスバ−ナ−を備えたものが望ましい。この
焼却手段は有機物を含む材料を効率良く燃焼させ、加熱
された材料を冷却することなく、容易に取り出せる機能
を備えたものであればよく特に構造を限定する必要はな
い。しかしFRP廃棄物を含む原料を連続的に大量に焼
却処理する手段としては連続焼成タイプの加熱炉が好ま
しく、投入した原料の有機物を焼却後、溶融したものを
溶融炉に供給することも可能である。
Since the combustion heat of the FRP waste can be effectively used for preheating the raw material, it is desirable to mix the short glass fiber or rock wool raw material with the FRP waste for incineration. An object alone can be fired. In this case, the fired material may be separately charged into the melting furnace together with the raw materials for short glass fiber and rock wool, or may be mixed with these raw materials and then charged. These FR
As the incineration means for heating the P waste to remove the organic substances, various known industrial waste incinerators which are usually used can be used. For example, incinerators such as a moving bed type and a rotary kiln type for a large type and a direct fire type or a dry distillation type for a small type can be exemplified. Preferably, these furnaces are equipped with a device for auxiliary heating, for example, a gas burner. This incineration means is not particularly limited as long as it has a function of efficiently burning materials containing organic substances and easily removing heated materials without cooling them. However, as a means for continuously incinerating a large amount of raw materials including FRP waste, a continuous firing type heating furnace is preferable, and it is also possible to incinerate the input raw material and then supply the molten material to the melting furnace. is there.

【0008】焼却炉でFRP廃棄物を加熱し有機物を酸
化除去する過程で、炭素の含有量は0.5重量%以下に
短時間でなることが望ましく、ガラス短繊維用の原料は
更に少ない量にすることが望ましい。酸化温度は高いほ
ど有機物の除去には望ましいが、加熱温度が高くなると
FRP廃棄物同志が融着し、固形炭素を閉じ込め、溶融
原料中で発泡し、製造した繊維の強度が低下したり、白
金ノズルと化合物を作りノズルを破壊する原因となりや
すい。このようなことがないよう、有機物の燃焼が進み
残存炭素の量が少なくなるまでの焼成炉の部分の温度を
ガラス繊維の溶融温度以下に押さえる、あるいはガラス
短繊維、またはロックウ−ル原料とFRP廃棄物と混合
したり、炉の壁に付着し堆積しないよう炭酸カルシュウ
ム、ドロマイトの粉末を1−5重量%FRP廃棄物原料
に混合して加熱処理することが有効である。使用するF
RP廃棄物の発熱量が不十分なときは、粉粒状の石炭、
コ−クスなどを配合し原料の予熱温度を高くすることも
出来る。
[0008] In the process of heating the FRP waste in the incinerator to oxidize and remove organic substances, the carbon content is desirably reduced to 0.5% by weight or less in a short time, and the raw material for short glass fiber is further reduced. Is desirable. The higher the oxidation temperature is, the more desirable it is for the removal of organic substances. However, if the heating temperature is high, the FRP wastes will fuse together, trap solid carbon, foam in the molten raw material, reduce the strength of the produced fiber, It is easy to form a compound with the nozzle and destroy the nozzle. In order to prevent such a situation, the temperature of the firing furnace is kept below the melting temperature of the glass fiber until the combustion of the organic matter proceeds and the amount of the remaining carbon is reduced, or the short glass fiber or rock wool raw material and FRP are mixed. It is effective to mix calcium carbonate and dolomite powder with 1-5 wt% FRP waste raw material and heat-treat it so that it does not mix with waste or adhere to and accumulate on the walls of the furnace. F to use
When the calorific value of the RP waste is insufficient,
The preheating temperature of the raw material can be increased by blending coke or the like.

【0009】加熱温度は酸化が急速に行われる約450
℃好ましくは600℃以上が望ましく、高温の方はロッ
クウ−ルの原料と混合加熱する場合、約1200℃ぐら
いまでの温度で処理することが可能である。その加熱温
度はFRP廃棄物物の量、含まれる有機物の量、FRP
廃棄物に配合される他の原料などの割合を考慮して適宜
決定される。その条件を決める大きな要素は、出来るだ
け酸化を完全に行うことの出来る加熱温度であり、原料
供給量であり、これらは実験により条件を確認し設定す
る条件である。
[0009] The heating temperature is about 450 at which the oxidation takes place rapidly.
C., preferably 600 ° C. or higher. The higher temperature can be treated at a temperature of up to about 1200 ° C. when mixed and heated with the raw material of rock wool. The heating temperature depends on the amount of FRP waste, the amount of organic matter contained,
The ratio is appropriately determined in consideration of the ratio of other raw materials to be mixed with the waste. The major factors that determine the conditions are the heating temperature at which the oxidation can be performed as completely as possible, and the amount of the raw material supplied. These are the conditions that are confirmed and set by experiments.

【0010】この焼成した高温の材料は冷却されないう
ちに直ちに、ロックウ−ルあるいはガラス短繊維用原料
溶融炉に投入される。焼成条件によっては、原料が溶融
し大きな塊になることもあるので、焼成後はそのような
塊を公知のロ−ルクラッシャ−などの破砕手段により細
かく砕くことが必要である。本発明で言う、焼却炉で有
機物を酸化除去した後、直ちにガラス短繊維あるいはロ
ックウ−ル原料溶融炉に投入する、とは、溶融炉の液面
の変化を出来るだけ少なくすることを考慮した上で、F
RP廃棄物の加熱炉出口から溶融炉の上部に設けた開口
部から直接、投入するか、焼却から出てくる焼成された
原料の量の変動を調整するため周囲を断熱した小型のホ
ッパ−を設けFRP廃棄物を一時滞留させ冷却しないう
ちに、スクリュ−フィ−ダ−など公知の原料輸送方法に
より溶融炉に投入するように、焼成した材料のもつ熱を
利用できる間に溶融炉に投入することを意味する。
The fired high-temperature material is immediately put into a raw material melting furnace for rock wool or short glass fiber before being cooled. Depending on the sintering conditions, the raw material may be melted to form a large lump. After the sintering, such lump needs to be finely crushed by a known crusher such as a roll crusher. In the present invention, the term "immediately after oxidizing and removing organic substances in an incinerator and immediately charging the same into a glass short fiber or rock wool raw material melting furnace" means that a change in the liquid level of the melting furnace is minimized. And F
A small hopper with an insulated periphery is used to adjust fluctuations in the amount of fired raw materials that are directly charged from the heating furnace outlet of the RP waste from the opening provided in the upper part of the melting furnace or come out of incineration. Before the FRP waste is temporarily stored and cooled, it is put into the melting furnace while the heat of the calcined material can be used, like a screw feeder, and is put into the melting furnace by a known raw material transport method. Means that.

【0011】[0011]

【実施例】以下実施例により本発明を説明するが、発明
の思想の具体的な例示であり、この用途、この方法に限
られるものではない。
EXAMPLES The present invention will be described below with reference to examples, but these are specific examples of the idea of the present invention, and the present invention is not limited to these applications and methods.

【0012】原料には、ハンドレイアップ法で製造され
たレジャ−用ボ−トを切断、破砕した1辺の平均長さが
1cmのFRP屑20重量%とロックウ−ルショット屑
(ロックウ−ル製造において発生する非繊維物)及び小
石状のロックウ−ル原料80重量%を混合したものを用
いた。その混合物を移動床式焼却炉1に1時間1ton
の割合で供給し、補助加熱装置としてガスバ−ナ−を使
用し炉内最高温度を800℃にして運転し有機物を除去
した。
As raw materials, 20% by weight of FRP waste having an average length of 1 cm per side obtained by cutting and crushing a recreational boat manufactured by the hand lay-up method and rockwool shot waste (manufactured by Rockwool) Of non-fibrous materials generated in the above) and 80% by weight of a pebble-like rockwool raw material. The mixture is transferred to the moving bed incinerator 1 for 1 hour and 1 ton.
And the operation was performed at a maximum furnace temperature of 800 ° C. using a gas burner as an auxiliary heating device to remove organic substances.

【0013】有機物の含有量を0.3重量%以下にした
原料は、焼却炉出口に設置された耐熱金属製の輸送手段
2によりロックウ−ル原料を溶解する3本の黒鉛電極を
備えた電気炉3に供給された。供給量はフィ−ダ−の一
部に設けられた計量器(図示せず。)により制御されて
いる。電気炉3中で溶融された加熱原料は、1450℃
の温度の溶融された状態でフィ−ダ−により高速回転す
る耐熱金属製のスピンナ−を有するロックウ−ル用繊維
化装置4に供給され遠心力によりロックウ−ル繊維とし
た。
The raw material having an organic matter content of 0.3% by weight or less is provided with three graphite electrodes for dissolving the rock wool raw material by means of a heat-resistant metal transport means 2 installed at the outlet of the incinerator. Furnace 3 was supplied. The supply amount is controlled by a meter (not shown) provided in a part of the feeder. The heating raw material melted in the electric furnace 3 is 1450 ° C.
In a molten state at a temperature of 3 ° C., the fiber is supplied to a rock wool fiberizing device 4 having a heat-resistant metal spinner which rotates at a high speed by a feeder to produce rock wool fibers by centrifugal force.

【0014】[0014]

【発明の効果】本発明によれば、従来廃棄していたFR
P廃棄物をガラス短繊維あるいはロックウ−ルの原料と
して使用することができ産業廃棄物が減少するだけでな
く、今後大量に発生するFRP廃棄物の持つエネルギ−
をガラス短繊維あるいはロックウ−ル原料の予熱に使用
することができるという省エネによる経済的な効果も合
せ持つ有効な資源再利用方法である。また、FRP廃棄
物を直接溶融炉に投入しないで、有機物を燃焼させる焼
却炉と繊維化する原料を溶融する溶融炉が別れているの
で、FRP廃棄物の樹脂含有量、配合量などが変動して
も、それに応じた適正な条件で焼却炉を運転することに
より廃棄物中に残存する炭素の量をコントロ−ルするこ
とが容易である。溶融炉の温度条件とは無関係に、焼成
の温度などの条件を変更できるので、溶融炉の溶解状況
に影響をおよぼさないという利点がある。また、焼却炉
と溶融炉の間に断熱された予熱原料供給ホッパ−を設け
ると予熱した原料を冷ますことなく、焼却炉、溶融炉の
状況に応じて原料供給の調整をすることができる。
According to the present invention, the conventionally discarded FR
P waste can be used as a raw material for short glass fiber or rock wool, which not only reduces industrial waste, but also reduces the energy of FRP waste generated in large quantities in the future.
This is an effective resource recycling method that can be used for preheating of short glass fiber or rock wool raw materials, and also has the economic effect of energy saving. In addition, since the incinerator that burns organic matter and the melting furnace that melts the raw material to be fiberized are separated from each other without directly injecting the FRP waste into the melting furnace, the resin content and compounding amount of the FRP waste fluctuate. However, it is easy to control the amount of carbon remaining in the waste by operating the incinerator under appropriate conditions according to the conditions. Since the conditions such as the firing temperature can be changed irrespective of the temperature conditions of the melting furnace, there is an advantage that the melting state of the melting furnace is not affected. If a preheated raw material supply hopper is provided between the incinerator and the melting furnace, the supply of the raw material can be adjusted according to the conditions of the incinerator and the melting furnace without cooling the preheated raw material.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の一実施例を示す。FIG. 1 shows an embodiment of the present invention.

【符号の説明】[Explanation of symbols]

1、移動床式焼却炉 2、FRP廃棄物焼成物を炉に供給する輸送手段 3、ロックウ−ル製造用の黒鉛電極を使用する電気溶融
炉 4、繊維化装置
1, moving bed incinerator 2, transportation means for supplying burned FRP waste to the furnace 3, electric melting furnace using graphite electrode for rock wool production 4, fiberizing device

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 FI // B29B 17/00 ZAB B09B 3/00 ZAB ──────────────────────────────────────────────────続 き Continuation of the front page (51) Int.Cl. 6 Identification symbol FI // B29B 17/00 ZAB B09B 3/00 ZAB

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】FRP廃棄物を焼却炉で加熱し有機物を酸
化除去した後、直ちにガラス短繊維原料溶融炉あるいは
ロックウ−ル原料溶融炉に投入するFRP廃棄物の処理
方法。
1. A method for treating FRP waste, wherein the FRP waste is heated in an incinerator to oxidize and remove organic substances, and then immediately introduced into a glass short fiber raw material melting furnace or a rock wool raw material melting furnace.
【請求項2】FRP廃棄物とガラス短繊維原料あるいは
ロックウ−ル原料を混合し焼却炉で有機物を酸化除去し
た後、直ちにガラス短繊維あるいはロックウ−ル原料溶
融炉に投入するFRP廃棄物の処理方法。
2. An FRP waste mixed with a raw material of glass short fiber or rock wool and oxidized and removed of organic substances in an incinerator, and immediately put into a furnace for melting glass short fiber or raw material of rock wool. Method.
JP26115796A 1996-09-11 1996-09-11 FRP waste disposal method Expired - Fee Related JP3899563B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP26115796A JP3899563B2 (en) 1996-09-11 1996-09-11 FRP waste disposal method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26115796A JP3899563B2 (en) 1996-09-11 1996-09-11 FRP waste disposal method

Publications (2)

Publication Number Publication Date
JPH1085704A true JPH1085704A (en) 1998-04-07
JP3899563B2 JP3899563B2 (en) 2007-03-28

Family

ID=17357910

Family Applications (1)

Application Number Title Priority Date Filing Date
JP26115796A Expired - Fee Related JP3899563B2 (en) 1996-09-11 1996-09-11 FRP waste disposal method

Country Status (1)

Country Link
JP (1) JP3899563B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023276617A1 (en) * 2021-06-29 2023-01-05 日東紡績株式会社 Method for producing long glass fibers

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3080624B1 (en) * 2018-04-27 2020-11-20 Arkema France COMPOSITE RECYCLING PROCESS WITH IMPROVED ENERGY BALANCE
WO2021004601A1 (en) 2019-07-05 2021-01-14 Sumitomo SHI FW Energia Oy An arrangement for and a method of recycling mineral wool waste

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023276617A1 (en) * 2021-06-29 2023-01-05 日東紡績株式会社 Method for producing long glass fibers

Also Published As

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