JPH0757926B2 - How to treat rock waste - Google Patents
How to treat rock wasteInfo
- Publication number
- JPH0757926B2 JPH0757926B2 JP1180809A JP18080989A JPH0757926B2 JP H0757926 B2 JPH0757926 B2 JP H0757926B2 JP 1180809 A JP1180809 A JP 1180809A JP 18080989 A JP18080989 A JP 18080989A JP H0757926 B2 JPH0757926 B2 JP H0757926B2
- Authority
- JP
- Japan
- Prior art keywords
- waste
- crushed
- rock wool
- waste cotton
- crushed stone
- 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
Classifications
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Road Paving Structures (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明はロックウールおよびロックウール製品製造時に
排出される屑綿の破砕品を再生砕石バラスの粒度調整
材、強度増加添加材、建設残土の安定処理材として再利
用する処理方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention is a method for recovering crushed waste of rock wool and rock wool produced during the production of rock wool products, for use as a particle size adjusting material for recycled crushed stone ballas, a strength increasing additive, and construction waste soil. The present invention relates to a treatment method for reuse as a stabilizing treatment material.
（従来の技術） ロックウールは冷却スラグに副原料を加えて成分調整
後、キュポラ、電気炉等で溶融し、これをスピナーによ
る遠心力で細い繊維状（繊維の太さ約５〜20μ）とし、
保温材、吸音材および育苗床等の製品となる。(Prior art) Rockwool is made by adding auxiliary materials to cooling slag, adjusting the composition, melting it in a cupola, electric furnace, etc., and making it into a fine fibrous shape (fiber thickness of about 5 to 20 μm) by centrifugal force with a spinner. ,
Products such as heat insulating materials, sound absorbing materials and nursery beds.
このロックウールの製造工程では、製綿工程、粒状化工
程、篩分工程および製品の製造工程にて、種々の屑綿が
発生する。In the rock wool manufacturing process, various waste cotton is generated in the cotton manufacturing process, the granulating process, the sieving process, and the product manufacturing process.
これらの屑綿は、これまで再利用の方法がないため、産
業廃棄物として埋立地等に投棄処分されていた。These waste cottons have not been reused so far, so they have been disposed of as industrial wastes in landfills.
（発明が解決しようとする課題） 前述したように、屑綿はその発生に由来して形状が不揃
いであり、また、軽量で嵩張っているために屑有姿の状
態では、ロックウール原料として再使用することができ
なく、埋立地等へ廃棄処分する他には、適当な処分方法
がなかった。(Problems to be Solved by the Invention) As described above, waste cotton has a non-uniform shape due to its generation, and since it is light and bulky, it is used as a raw material for rock wool in the waste-bearing state. It could not be reused, and there was no suitable disposal method other than disposal at landfill sites.
しかしながら、近年、埋立ポケットの減少と処分費用の
高騰等で新たな対応を迫られている。However, in recent years, new measures have been required due to the reduction of landfill pockets and the rise in disposal costs.
（課題を解決するための手段） 本発明の目的は、従来投棄するしか方法のなかった屑綿
を取扱い易く加工するとともに、再生砕石バラスの粒度
調整材、強度増加添加材、建設残土等の安定処理材とし
て有効利用する方法を提供するものである。(Means for Solving the Problems) An object of the present invention is to easily process waste cotton, which had conventionally been the only method of discarding, and to stabilize the grain size adjusting material of recycled crushed stone ballas, strength increasing additive, construction residual soil, etc. It is intended to provide a method for effectively utilizing it as a treatment material.
その要旨は、 １）ロックウール製造工程で生じる屑綿を粉砕して、再
生砕石バラスに添加混合し、路盤材もしくは埋戻し材と
して再利用することを特徴とする岩綿屑の処理方法 ２）粉砕された屑綿の粒度を1mm以下とした請求項１記
載の岩綿屑の処理方法にある。The main points are: 1) A method for treating rock wool that is characterized by crushing waste cotton produced in the rock wool manufacturing process, adding it to recycled crushed stone ball and mixing it, and reusing it as roadbed material or backfill material 2) A method for treating rock wool waste according to claim 1, wherein the crushed waste cotton has a particle size of 1 mm or less.
ここで再生砕石バラスとは、コンクリート廃材・建設残
土等を破砕、分級することにより、0.4〜40mm程度に粒
度調整したものをいう。その再生砕石バラスの細粒部補
充材として、ロックウール製造工程で発生する屑綿を粉
砕した粉体を添加混合するが添加混合された粉砕屑綿が
水和反応によって固化することによって耐久性、強度、
安定性に優れた道路路盤材、あるいは埋戻し材となもの
である。Here, the reclaimed crushed stone ballas means that the grain size of which is adjusted to about 0.4 to 40 mm by crushing and classifying concrete waste materials and construction residual soil. As a replenishing material for the fine-grained portion of the reclaimed crushed stone ballas, the powder obtained by pulverizing the waste cotton generated in the rock wool manufacturing process is added and mixed, but the added mixed and pulverized waste cotton is solidified by the hydration reaction and is durable Strength,
It is a roadbed material or backfill material with excellent stability.
以下、本発明について詳述する。Hereinafter, the present invention will be described in detail.
ここに、コンクリート廃材とは、建築物の解体や土木工
事に伴って発生するコンクリートおよびコンクリート２
次製品の廃材をいう。Here, the concrete waste material means concrete and concrete 2 which are generated along with the dismantling of buildings and civil engineering works.
This refers to the waste materials of the following products.
また、建設残土とは、土木工事や建築工事で発生する掘
削土砂等をいう。In addition, the surplus construction soil refers to excavated earth and sand generated in civil engineering work and construction work.
さらに、再生砕石バラスとはコンクリート廃材や建設残
土をジョークラッシャーやインパクトクラッシャー等の
破砕機で所定の最大寸法、例えば40mm以下に破砕し、ス
クリーン等の篩い分け機で道路用粒度調整砕石の粒度範
囲に粒度調整等を行ったものなどをいう。Furthermore, recycled crushed stone ballas is a concrete crusher such as concrete crusher or impact crusher that is crushed to a specified maximum size, for example 40 mm or less with a crusher such as a jaw crusher or impact crusher. It means that the particle size has been adjusted.
屑綿としては前述した製綿工程、粒状化工程、篩い分け
工程にて発生するものの他にロックウール成型品、マッ
トを加工して各種製品を製造する際に発生する屑綿も併
用することができる。これらの屑綿はロッドミル等の粉
砕機等により1mm以下に粉砕することが好ましい。粉砕
された屑綿は、破砕・粒調されたコンクリート廃材・建
設残土に添加されたドラムミキサー等の混合機により混
合される。As waste cotton, in addition to those generated in the cotton making process, granulation process, and sieving process described above, rock wool molded products and waste cotton generated when processing mats to manufacture various products can be used in combination. it can. These waste cottons are preferably crushed to 1 mm or less by a crusher such as a rod mill. The crushed waste cotton is mixed by a mixer such as a crushed / grained concrete waste material / drum mixer added to construction waste soil.
再生砕石バラスに対する粉砕された屑綿の配合量は粒度
規格、圧縮強度等から３〜10wt％が望ましい。再生砕石
バラスは道路用粒度調整砕石の粒度範囲に比較して細粒
部分の割合が少なく、粉砕された屑綿を添加することに
より粒度分布を改善することができる。また、1mm以下
に粉砕された屑綿は再生砕石バラスに含まれるCaOなど
と反応して、その圧縮強さを向上させることができる。The blended amount of crushed waste cotton with respect to the recycled crushed stone ball is preferably 3 to 10 wt% in view of particle size specification, compression strength and the like. Recycled crushed stone ballas has a smaller proportion of fine particles compared to the particle size range of road particle size adjusted crushed stone, and the particle size distribution can be improved by adding crushed waste cotton. Further, the waste cotton crushed to 1 mm or less reacts with CaO and the like contained in the reclaimed crushed stone ballas to improve its compressive strength.
（作用） 本発明において、従来投棄するしかなかった屑綿を粉砕
して、コンクリート廃材、建設残土を破砕、粒調して得
られる再生砕石バラスに添加、混合することにより圧縮
強さを向上させ、安定処理材を有効利用することができ
る。(Operation) In the present invention, the compressive strength is improved by crushing the waste cotton which has conventionally been thrown away and crushing the concrete waste material and the construction residual soil to add and mix them with the regenerated crushed stone ballas obtained by graining. Therefore, the stabilizing material can be effectively used.
（実施例） ここでは本発明の混合物の原料配合を種々に変えたもの
について、JISA 5015による一軸圧縮強度試験を実施し
た。(Example) Here, a uniaxial compressive strength test according to JIS A 5015 was carried out for variously mixed raw materials of the mixture of the present invention.
屑綿はロッドミルにより粉砕した。表１に粉砕された屑
綿の粒度分布を、表２に化学成分を示す。The waste cotton was crushed by a rod mill. Table 1 shows the particle size distribution of the crushed waste cotton, and Table 2 shows the chemical components.
再生砕石バラスの粒度分布は表３に示す。Table 3 shows the particle size distribution of recycled crushed stone ballas.
一軸圧縮強度試験の結果は表４に示す通りである。屑綿
の粉と再生砕石バラスからなる本発明に係わる混合物
は、再生砕石バラス単独で使用することよりも優れた強
度発現が得られることがわかる。屑綿の粉を添加したも
のは材令により、又、添加率に比例して強度発現の伸び
がみられる。The results of the uniaxial compressive strength test are shown in Table 4. It can be seen that the mixture of the waste cotton powder and the regenerated crushed stone ballas according to the present invention has a higher strength development than that obtained by using the regenerated crushed stone ball alone. In the case of adding the waste cotton powder, the elongation of strength development is observed depending on the age and in proportion to the addition rate.
本発明の混合物はコンクリート廃材中のセメント水和物
や未水和物が、屑綿の粉と反応して水硬性を高めている
ことの効果を現しているものと言うことができる。It can be said that the mixture of the present invention exhibits the effect that the cement hydrate or unhydrate in the concrete waste material reacts with the waste cotton powder to enhance the hydraulic property.
表４に示すように、屑綿を添加した再生砕石バラスは、
一軸圧縮強度が粒度調整砕石の規格である12kg/cm2を越
えており、下層路盤材だけでなく上層路盤材や道路埋設
物敷設時の埋戻し材として十分な品質を有していると言
うことができる。As shown in Table 4, the recycled crushed stone ballas with the addition of waste cotton,
Say uniaxial compressive strength has a sufficient quality as particle size control has exceeded the 12 kg / cm 2 is crushed stone standard, base course material not only lower roadbed and road buried objects laid upon the backfill material be able to.
（発明の効果） 本発明によれば、従来投棄するしかなく、軽量で嵩張っ
ており、繊維の飛散等により取扱いが難しかった屑綿が
再生砕石バラス、建設残土等の安定処理材として有効利
用できる。(Effects of the Invention) According to the present invention, waste cotton, which has conventionally been forced to be discarded, is lightweight and bulky, and was difficult to handle due to scattering of fibers, etc., is effectively used as a stabilizing material for recycled crushed stone ballast, construction soil, etc. it can.
また、屑綿の破砕は従来公知の粉砕機等により可能であ
るため、新たな商品開発例えば法面緑化基盤材、砂代替
え、ガラス副材料等への利用が期待できる。Further, since the waste cotton can be crushed by a conventionally known crusher or the like, it can be expected to be used for new product development such as slope greening base material, sand substitute, and glass auxiliary material.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 川久 千雄 大阪府堺市築港八幡町１番地 新日本製鐵 株式會社堺製鐵所内 (72)発明者 山下 寿昭 大阪府堺市築港八幡町１番地 新日本製鐵 株式會社堺製鐵所内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Chio Kawahisa 1 No. 1 Tsukiko Hachiman-cho, Sakai City, Osaka Prefecture Nippon Steel Co., Ltd. Sakai Works Ltd. (72) Toshiaki Yamashita No. 1 Tsukiko Hachiman-cho, Sakai City, Osaka Prefecture Address Shin Nippon Steel Co., Ltd. Sakai Steel Co., Ltd.
Claims (2)
して、再生砕石バラスに添加混合し、路盤材もしくは埋
戻し材として再利用することを特徴とする岩綿屑の処理
方法。1. A method for treating rock wool waste, which comprises crushing waste cotton produced in a rock wool manufacturing process, adding and mixing it to a recycled crushed stone ball and reusing it as a roadbed material or backfill material.
求項１記載の岩綿屑の処理方法。2. The method for treating rock wool waste according to claim 1, wherein the crushed waste cotton has a particle size of 1 mm or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1180809A JPH0757926B2 (en) | 1989-07-12 | 1989-07-12 | How to treat rock waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1180809A JPH0757926B2 (en) | 1989-07-12 | 1989-07-12 | How to treat rock waste |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0347302A JPH0347302A (en) | 1991-02-28 |
| JPH0757926B2 true JPH0757926B2 (en) | 1995-06-21 |
Family
ID=16089735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1180809A Expired - Fee Related JPH0757926B2 (en) | 1989-07-12 | 1989-07-12 | How to treat rock waste |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0757926B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1011066C2 (en) * | 1999-01-19 | 2000-07-20 | Transportbedrijf Van Vliet B V | Hydraulic granulate comprising concrete granules and brick, used for road foundations, contains granular rock wool as a stabilizer |
| CA2764551C (en) | 2009-06-23 | 2017-07-25 | Rockwool International A/S | Method of making particulate material |
| DE102015120721B4 (en) | 2015-11-30 | 2018-01-25 | Jörg Gröper | Use of self-hardening bodies at normal temperature and atmospheric pressure |
-
1989
- 1989-07-12 JP JP1180809A patent/JPH0757926B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0347302A (en) | 1991-02-28 |
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