JPH0347302A - Treatment of rock wool waste - Google Patents
Treatment of rock wool wasteInfo
- Publication number
- JPH0347302A JPH0347302A JP1180809A JP18080989A JPH0347302A JP H0347302 A JPH0347302 A JP H0347302A JP 1180809 A JP1180809 A JP 1180809A JP 18080989 A JP18080989 A JP 18080989A JP H0347302 A JPH0347302 A JP H0347302A
- Authority
- JP
- Japan
- Prior art keywords
- waste
- crushed
- rock wool
- rock
- 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.)
- Granted
Links
- 239000002699 waste material Substances 0.000 title claims abstract description 48
- 239000011490 mineral wool Substances 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 27
- 239000004575 stone Substances 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 229920000742 Cotton Polymers 0.000 claims description 30
- 239000002245 particle Substances 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 3
- 238000010298 pulverizing process Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 11
- 239000002689 soil Substances 0.000 abstract description 6
- 238000000465 moulding Methods 0.000 abstract description 2
- 210000002268 wool Anatomy 0.000 abstract 3
- 239000004568 cement Substances 0.000 abstract 1
- 239000003381 stabilizer Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 6
- 239000000843 powder Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
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)
Abstract
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な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 material for adjusting the particle size of recycled crushed stone ballast, which is a crushed product of rock wool and waste cotton discharged during the manufacturing of rock wool products, an additive for increasing strength, and a material for improving construction waste. The present invention relates to a processing method for reusing it as a stable processing 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
、キエボラ、電気炉等で溶融し、これをスヒナー−こよ
る遠心力で細い繊維状（ＩＩＩ雑の太さ約５〜２０μ）
とし、保温材、吸音材および育苗床等の製品となる。(Prior technology) Rock wool is made by adding auxiliary raw materials to cooled slag to adjust its composition, then melting it in a Chievola, electric furnace, etc., and turning it into thin fibers (with a thickness of about 5 to 20μ)
This product is used for products such as heat insulation materials, sound absorbing materials, and seedbeds.
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 types of waste cotton are generated during the cotton manufacturing process, granulation process, sieving process, and 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ｔこ投棄処分されていた。Up until now, there was no way to recycle this waste cotton, so it had been disposed of in landfills and other places as industrial waste.
（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 mentioned above, waste cotton has an irregular shape due to its generation, and is lightweight and bulky, so in the waste state, it cannot be used as a raw material for rock wool. It cannot be reused, and there is no other suitable disposal method other than disposing of it in a landfill.
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 decrease in 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) The purpose of the present invention is to process waste cotton, which conventionally had no choice but to throw it away, in an easy-to-handle manner, and to stabilize the particle size adjustment material of recycled crushed stone ballast, the strength-increasing additive, the construction surplus soil, etc. This provides a method for effectively using it as a processing 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配合し、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側の処理方法
２）粉砕亭れた屑綿の粒度を１鰭以下とした請求項１記
載の岩綿側の処理方法にある。The gist is as follows: 1) A rock wool treatment method characterized by pulverizing the waste cotton produced in the rock wool manufacturing process, adding it to recycled crushed stone ballast, and reusing it as roadbed material or backfill material. 2) 2. The method for treating rock wool according to claim 1, wherein the particle size of the crushed waste cotton is one fin 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、０．４〜４０朋程度
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
を粉砕した粉体な添加混合するが添加混合された粉砕屑
綿が水和反応ｔこよって固化することによって耐久性、
強度、安定性をこ優れた道路路盤材、あるいは埋戻し材
となものである。Here, recycled crushed stone ballast refers to concrete waste materials, construction surplus soil, etc., which are crushed and classified to have a particle size adjusted to about 0.4 to 40 mm. As a replenishment material for the fine part of the recycled crushed stone ballast, powdered waste cotton generated in the rock wool manufacturing process is added and mixed. sex,
It is a road base material or backfill material with excellent strength and stability.
以下、本発明について詳述する。The present invention will be explained in detail below.
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
成製品の廃材ヲいう。Here, concrete waste refers to concrete and concrete2 generated from building demolition and civil engineering work.
It refers to waste materials from manufactured 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。Furthermore, construction surplus soil refers to excavated soil, etc. generated during civil engineering 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
土なジッ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４０１１Ｊｌ以下に破
砕し、スクリーン等の篩い分は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 ballast is made by crushing concrete waste materials and construction residue into a specified maximum size, for example, 4011 Jl or less, using a crusher such as a Zig crusher or an impact crusher, and the sieved portion is sieved by a machine to adjust the particle size of crushed stone for road use. Refers to particles whose particle size has been adjusted within the range.
屑綿としては前述した製綿工程、粒状化工程、篩い分は
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會こ発生する屑綿も
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ｌｓｍ以下に粉砕することが好ましい。As waste cotton, in addition to those generated in the cotton manufacturing process, granulation process, and sieving process mentioned above, waste cotton generated during the manufacturing of various products by processing rock wool moldings and mats can also be used. I can do it. It is preferable that these waste cotton be pulverized to less than lsm using a pulverizer such as a rod mill.
粉砕された屑綿は、破砕・粒調されたコンクリート廃材
・建設残土ニ添加されドラムミキサー等の混合機により
混合される。The crushed waste cotton is mixed with crushed and granulated concrete waste materials and construction residues using a mixer such as a drum mixer.
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
と舎こより粒度分布を改善することができる。また、ｌ
ｓｕ＋以下に粉砕さｈ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 blending amount of the crushed waste cotton in the recycled crushed stone ballast is preferably 3 to 10 wt% based on particle size standards, compressive strength, etc. Recycled crushed stone ballast has a smaller proportion of fine particles than the particle size range of road grade crushed stone, and the particle size distribution can be improved by adding crushed waste cotton to it. Also, l
The waste cotton crushed to below su+ reacts with CaO and the like contained in the recycled crushed stone ballast, thereby improving 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、建設残土な破砕・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。(Function) In the present invention, the compressive strength is improved by pulverizing waste cotton, which conventionally had to be thrown away, and adding and mixing it with recycled crushed stone ballast obtained by crushing and granulating concrete waste materials and construction residues. , stable treated materials can be effectively utilized.
（実施例）
ここでは本発明の混合物の原料配合を踵４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 JISA 5015 was conducted on a mixture of the present invention in which the raw material composition was changed to Heel 4.
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 pulverized using a rod mill. Table 1 shows the particle size distribution of the ground 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。The particle size distribution of the recycled crushed stone ballast is shown in Table 3.
−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 axial compressive strength test are shown in Table 4. It can be seen that the mixture according to the invention consisting of waste cotton powder and recycled crushed stone ballast provides superior strength development compared to the use of recycled crushed stone ballast alone. In the case of materials to which waste cotton powder was added, the strength development increased depending on the age of the material 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七メント水和物
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 of the heptament hydrate and unhydrated substances in the concrete waste reacting with the waste cotton powder to improve hydraulic properties.
表４に示すように、屑綿を添加した再生砕石バラスは、
−軸圧縮強度が粒度調整砕石の規格である１２ｋｇ／ｃ
ｌＩ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ト分な品質を有し
ていると言うことができる。As shown in Table 4, recycled crushed stone ballast with waste cotton added,
- Axial compressive strength is 12 kg/c, which is the standard for particle size-adjusted crushed stone.
It can be said that it has excellent quality not only as a lower-layer roadbed material but also as an upper-layer roadbed material and as a backfilling material during road burial and construction.
（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 conventionally had to be dumped and was light and bulky and difficult to handle due to scattering of fibers, can be effectively used as a stable treatment material for recycled crushed stone ballast, construction surplus soil, etc. can.
また、屑綿の破砕は従来公知の粉砕機等１こより可能で
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。In addition, since the waste cotton can be crushed using a conventionally known crusher, it can be expected to be used in new product development, such as slope greening base materials, sand substitutes, and glass auxiliary materials.
表２ 屑綿の化学成分 表３ 再生砕石バ ラスの粒度分布 表１ 粉砕した屑綿の粒度分布 表４ −軸圧縮強度試験結果Table 2 Chemical composition of waste cotton Table 3 Recycled crushed stone bar Grain size distribution of lath Table 1 Particle size distribution of crushed waste cotton Table 4 - Axial compressive strength test results
Claims (1)
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。[Claims] 1) A method for processing rock wool waste, which comprises pulverizing waste cotton produced in the rock wool manufacturing process, adding and mixing it to recycled crushed stone ballast, and reusing it as a roadbed material or backfilling material. . 2) Claim 1, wherein the particle size of the crushed waste cotton is 1 mm or less.
Disposal method of rock wool waste as described.
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 true JPH0347302A (en) | 1991-02-28 |
| JPH0757926B2 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) |
Cited By (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 |
| WO2010149655A1 (en) * | 2009-06-23 | 2010-12-29 | Rockwool International A/S | Method of making particulate material |
| DE102015120721A1 (en) | 2015-11-30 | 2017-06-01 | Jörg Gröper | Process for recycling insulating material waste from mineral wool |
-
1989
- 1989-07-12 JP JP1180809A patent/JPH0757926B2/en not_active Expired - Fee Related
Cited By (6)
| 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 |
| WO2010149655A1 (en) * | 2009-06-23 | 2010-12-29 | Rockwool International A/S | Method of making particulate material |
| US8876964B2 (en) | 2009-06-23 | 2014-11-04 | Rockwool International A/S | Method of making particulate material |
| US9187370B2 (en) | 2009-06-23 | 2015-11-17 | Rockwool International A/S | Method of making particulate material |
| EA025300B1 (en) * | 2009-06-23 | 2016-12-30 | Роквул Интернэшнл А/С | Method of making particulate material |
| DE102015120721A1 (en) | 2015-11-30 | 2017-06-01 | Jörg Gröper | Process for recycling insulating material waste from mineral wool |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0757926B2 (en) | 1995-06-21 |
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