JP3188326B2 - Method for recycling molten slag to high-grade resources and method for producing low-temperature ceramic sintered body - Google Patents
Method for recycling molten slag to high-grade resources and method for producing low-temperature ceramic sintered bodyInfo
- Publication number
- JP3188326B2 JP3188326B2 JP29624992A JP29624992A JP3188326B2 JP 3188326 B2 JP3188326 B2 JP 3188326B2 JP 29624992 A JP29624992 A JP 29624992A JP 29624992 A JP29624992 A JP 29624992A JP 3188326 B2 JP3188326 B2 JP 3188326B2
- Authority
- JP
- Japan
- Prior art keywords
- low
- glass
- molten slag
- raw
- melting
- 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 - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/005—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture of glass-forming waste materials
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL 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
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
- C03C1/002—Use of waste materials, e.g. slags
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
Description
【０００１】[0001]
【産業上の利用分野】本発明は、都市ごみ、下水汚泥、
産業廃棄物等の廃棄物を溶融処理して得られる溶融スラ
グの高級資源化方法および低温窯業焼結体の製造方法に
関する。The present invention relates to municipal solid waste, sewage sludge,
The present invention relates to a method for recycling molten slag obtained by melting waste such as industrial waste, and a method for producing a low-temperature ceramic sintered body.
【０００２】[0002]
【従来の技術】従来、都市ごみ、下水汚泥、産業廃棄物
等の廃棄物は一般に焼却処理、埋立処理等が行われてい
るが、近年の都市ごみや産業廃棄物の増加に対処すると
が困難であるために、減容化のために溶融処理してガラ
ス化し、最終処分場において埋立処分している。2. Description of the Related Art Conventionally, waste such as municipal solid waste, sewage sludge, and industrial waste is generally incinerated and landfilled. However, it is difficult to cope with the recent increase in municipal solid waste and industrial waste. Therefore, it is melted for volume reduction and vitrified, and landfilled at the final disposal site.
【０００３】[0003]
【発明が解決しようとする課題】しかし、埋立地処分は
山林の伐採による森林資源の減少や、海浜の減少による
漁場の減少を伴うために、環境保全の点で埋立地の用地
を確保することが困難となっている。また、埋立地にお
いては浸出水中に有害物質が溶出し、二次公害を引き起
こす危険があるので、最終処分場には水処理施設等の付
帯設備を設けねばならず、埋立地の確保に多額の費用を
要する問題があった。However, landfill disposal requires the reduction of forest resources due to the deforestation of forests, and the reduction of fishing grounds due to the reduction of beaches. Has become difficult. Also, in landfills, hazardous substances may be eluted into leachate and cause secondary pollution.Therefore, it is necessary to install auxiliary facilities such as water treatment facilities at the final disposal site, which requires a large amount of landfill. There was a problem that required cost.
【０００４】本発明は上記課題を解決するもので、廃棄
物を溶融処理して得られる無用で価値のない溶融スラグ
を有用な窯業原料とすることができる溶融スラグの高級
資源化方法および低温窯業焼結体の製造方法を提供する
ことを目的とする。[0004] The present invention solves the above-mentioned problems, and a method for converting molten slag into a high-grade resource, which can be used as useful ceramic raw material, is a wasteless and valueless molten slag obtained by melting waste. An object of the present invention is to provide a method for manufacturing a sintered body.
【０００５】[0005]
【課題を解決するための手段】上記の課題を解決するた
め、本発明の溶融スラグの高級資源化方法は、都市ご
み、下水汚泥、飛灰、鉱山廃砕，河川の堆積物，湖沼の
ヘドロ等の廃棄物を溶融処理して溶融スラグ化するに際
し、廃棄物に調整材を添加して還元雰囲気で溶融処理す
ることにより調整溶融スラグを生成し、この調整溶融ス
ラグを冷却固化して所定の性能を有する低融点ガラスを
形成し、この低融点ガラスを適当粒度に粉砕することに
より窯業原料としての原料ガラスを得る構成としたもの
である。SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention relates to a method for refining molten slag as a high-grade resource, comprising the steps of: providing municipal solid waste, sewage sludge, fly ash, mine debris, river sediment, lake sludge; At the time of melting and processing waste such as molten slag, an adjusted material is added to the waste and melted in a reducing atmosphere to produce an adjusted molten slag, and the adjusted molten slag is cooled and solidified to a predetermined level. A low-melting glass having high performance is formed, and the low-melting glass is pulverized to an appropriate particle size to obtain a raw material glass as a ceramic raw material.
【０００６】また、調整材として、各種の燐酸、硼酸、
珪酸、アルミン酸、および前記酸の鉱物，酸化物，化合
物，塩類、アルカリ金属、アルカリ土類の塩，酸化物，
化合物、亜鉛、珪酸ジルコニューム、これらを含む廃棄
物のいずれかの一材、ないし複数材を用いる構成とした
ものである。[0006] Also, various phosphoric acid, boric acid,
Silicic acid, aluminate, and the minerals, oxides, compounds, salts, alkali metals, alkaline earth salts, oxides,
One or more of compound, zinc, zirconium silicate and waste containing them are used.
【０００７】本発明の低温窯業焼結体の製造方法は、低
融点化と鉄分除去を行なった原料ガラスを生成し、この
原料ガラスと成形母材料とを水とともに混合混練して粘
土状体を形成し、この粘土状体を成型して乾燥固化させ
た後に、８００℃〜１１００℃で焼成し、焼結を促進す
る助剤として原料ガラスを作用させて成形母材料を低温
で焼結することで、吸水率および収縮率がともに低い値
の低温窯業焼結体を得る構成としたものである。[0007] manufacturing method of low-temperature ceramic sintered body of the present invention, low
A raw material glass having undergone melting point and iron removal is produced, and the raw glass and the molding base material are mixed and kneaded with water to form a clay-like body, and after the clay-like body is molded and dried and solidified, Fired at 800-1100 ° C to promote sintering
The raw material glass acts as an auxiliary
Sintering at low values for both water absorption and shrinkage
Of the low temperature ceramics sintered body of the present invention.
【０００８】また、成形母材料として、未調整の溶融ス
ラグを冷却固化して適当粒度に粉砕したガラス材、一般
岩石類，鉱山廃砕，河川の堆積物，湖沼のヘドロ，産業
廃棄物等の窯業としての未利用原料、一般窯業原料また
は成形材としての粘土，各種のセメントのいずれかの一
物、ないし複数物を用いる構成としたものである。Further, as a forming base material, glass materials obtained by cooling and solidifying unadjusted molten slag to a suitable particle size, general rocks, mine demolition, river sediment, lake sludge, industrial waste, and the like. It is configured to use one or more of unused raw materials for ceramics, clay for general ceramics or molding materials, and various cements.
【０００９】さらに、原料ガラス自身が成形母材をなす
構成としたものである。Further, the raw material glass itself forms a forming base material.
【００１０】[0010]
【作用】上記した構成において、都市ごみ、下水汚泥、
飛灰等の廃棄物を溶融処理した溶融スラグを冷却固化し
て得られるガラスの成分は都市ごみ、下水汚泥、飛灰の
性状によって異なるが、概ね一定の範囲内にあり、Ｎ，
Ｃ，ＣＯ，Ｓ，Ｈ2 Ｏ等が溶存している。[Function] In the above configuration, municipal waste, sewage sludge,
The components of glass obtained by cooling and solidifying molten slag obtained by melting and processing waste such as fly ash vary depending on the characteristics of municipal solid waste, sewage sludge, and fly ash, but are generally within a certain range.
C, CO, S, H 2 O, etc. are dissolved.
【００１１】このため、耐火度調整材や成分調整材とし
て、各種の燐酸、硼酸、珪酸、アルミン酸、および前記
酸の鉱物，酸化物，化合物，塩類、アルカリ金属、アル
カリ土類の塩，酸化物，化合物、亜鉛、珪酸ジルコニュ
ーム、これらを含む廃棄物等を添加して溶融スラグの成
分を調整することにより、所定の性能、例えば任意に設
定する低い温度で溶融する等の性能を有した低融点ガラ
スを得る。For this reason, various phosphoric acid, boric acid, silicic acid, aluminate, and minerals, oxides, compounds, salts, alkali metals, alkaline earth salts, oxidized metals, etc. of the above-mentioned acids are used as fire resistance adjusting materials and component adjusting materials. By adjusting the components of the molten slag by adding a substance, a compound, zinc, zirconium silicate, and waste containing the same, a low performance having a predetermined performance, for example, a performance such as melting at an arbitrarily set low temperature. Obtain a melting glass.
【００１２】この低融点ガラスを適当粒度に粉砕した原
料ガラスは、成分調整しているのでその性状が一定であ
り、低融点であるので、窯業原料として用いると低温で
焼結させることができ、吸水率および収縮率がともに低
い値となる優れた品質の窯業製品を得ることができる。
したがって、無用で価値のない溶融スラグを有用で高級
な窯業原料として資源化することができる。The raw glass obtained by pulverizing the low-melting glass to an appropriate particle size has a constant property because the components are adjusted, and has a low melting point. Therefore, when used as a ceramic raw material, it can be sintered at a low temperature. It is possible to obtain a ceramic product of excellent quality in which both the water absorption and the shrinkage are low.
Therefore, the useless and valuable molten slag can be recycled as a useful and high-grade ceramic raw material.
【００１３】また、溶融処理を還元雰囲気で行うと、溶
融スラグ中の鉄分を還元して金属鉄として分離すること
ができ、鉄分を含まない低融点ガラスが得られる。この
低融点ガラスから形成した原料ガラスは鉄分を含まない
ことにより、高級な窯業原料となる。When the melting treatment is performed in a reducing atmosphere, iron in the molten slag can be reduced and separated as metallic iron, and a low-melting glass containing no iron can be obtained. The raw material glass formed from this low melting glass does not contain iron, and thus becomes a high-grade ceramic raw material.
【００１４】そして、原料ガラスと成形母材料とを水と
ともに混合混練して粘土状体を形成し、この粘土状体を
成型して乾燥固化させた後に、８００℃〜１１００℃で
焼成すると、低融点である原料ガラスが焼結を促進する
助剤として作用し、成形母材料を低温で焼結させること
ができ、吸水率および収縮率がともに低い値の低温窯業
焼結体を得ることができる。Then, the raw glass and the molding base material are mixed and kneaded with water to form a clay-like body, which is molded, dried and solidified, and then fired at 800 to 1100 ° C. The raw material glass, which has a melting point, acts as an auxiliary for promoting sintering, and can sinter the molding base material at a low temperature, and can obtain a low-temperature ceramic sintered body having a low water absorption and a low shrinkage. .
【００１５】また、原料ガラスには成分調整によって任
意の性能を与えることができるので、成形母材料として
未調整の溶融スラグからなるガラス材を用いる場合に、
従来において焼結体の品質を調整するために用いていた
調整材の役割を原料ガラスで担うことができる。[0015] Further, since any performance can be given to the raw material glass by adjusting the components, when a glass material made of unadjusted molten slag is used as a forming base material,
The raw material glass can play the role of the adjusting material conventionally used for adjusting the quality of the sintered body.
【００１６】さらに、低融点である原料ガラスが焼結を
促進する助剤として作用することにより、従来窯業原料
としては未利用である、一般岩石類，鉱山廃砕，河川の
堆積物，湖沼のヘドロ，産業廃棄物等を成形母材料とし
て低温焼結体を製造することができる。Furthermore, the raw glass having a low melting point acts as an auxiliary agent for promoting sintering, so that general rocks, mine debris, river sediments, lakes and marshes which have not been used as ceramic raw materials in the past. A low-temperature sintered body can be manufactured using sludge, industrial waste, and the like as a forming base material.
【００１７】そして、成形母材料として一般窯業原料ま
たは成形材としての粘土，各種のセメント等を用いる場
合には、従来の窯業製造において用いていた成分調整材
の役割を原料ガラスで担うことができ、従来の窯業製品
を低温で焼結させることができるとともに、窯業製造に
おけるコストの低減を図ることができる。When a general ceramic raw material or a molding material such as clay or various cements is used as the molding base material, the raw material glass can play the role of the component adjusting material used in the conventional ceramic manufacturing. In addition, conventional ceramic products can be sintered at a low temperature, and costs in ceramic manufacturing can be reduced.
【００１８】また、原料ガラス自身を成形母材料とする
ことが可能であることは言を待たない。It goes without saying that the raw glass itself can be used as a forming base material.
【００１９】[0019]
【実施例】以下、本発明の一実施例を図面に基づいて説
明する。図１において、廃棄物１としては都市ごみ、下
水汚泥、飛灰等を用いており、廃棄物１に耐火度調整材
や成分調整材などの調整材２を添加し、溶融炉３で溶融
処理する。調整材２としては、各種の燐酸、硼酸、珪
酸、アルミン酸、および前記酸の鉱物，酸化物，化合
物，塩類、アルカリ金属、アルカリ土類の塩，酸化物，
化合物、亜鉛、珪酸ジルコニュームのいずれかの一材、
ないし複数材を用いる。An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, municipal solid waste, sewage sludge, fly ash, etc. are used as a waste 1, and an adjusting material 2 such as a fire resistance adjusting material or a component adjusting material is added to the waste 1, and a melting process is performed in a melting furnace 3. I do. Examples of the adjusting material 2 include various kinds of phosphoric acid, boric acid, silicic acid, aluminate, and minerals, oxides, compounds, salts, alkali metals and alkaline earth salts, oxides of the above acids.
One of the compound, zinc, zirconium silicate,
Or use multiple materials.
【００２０】一般に、溶融処理によって得られる溶融ス
ラグの成分は、都市ごみ、下水汚泥、飛灰の性状によっ
て異なるが、概ね一定の範囲内にあり、Ｎ，Ｃ，ＣＯ，
Ｓ，Ｈ2 Ｏ等が溶存している。このため、廃棄物１に、
耐火度調整材や成分調整材等の調整材２を添加して溶融
スラグの成分を調整することにより、溶融炉３から排出
する調整溶融スラグ４は、溶融処理に際して何も添加し
ない溶融スラグと異なる性状を呈し、調整溶融スラグ４
を冷却固化５させた低融点ガラス６は従来に較べて低い
融点を有する。したがって、添加する調整材２を適宜に
選択することにより、所定の性能、例えば任意に設定す
る低融点、耐火度性、発色性を与えることがでる。Generally, the components of the molten slag obtained by the melting process vary depending on the properties of municipal solid waste, sewage sludge, and fly ash, but are generally within a certain range, and include N, C, CO,
S, H 2 O, etc. are dissolved. Therefore, waste 1
By adjusting the components of the molten slag by adding an adjusting material 2 such as a fire resistance adjusting material and a component adjusting material, the adjusted molten slag 4 discharged from the melting furnace 3 is different from the molten slag to which nothing is added during the melting process. It has properties and adjusted molten slag 4
Has a lower melting point than conventional ones. Therefore, by appropriately selecting the adjusting material 2 to be added, it is possible to provide predetermined performance, for example, arbitrarily set low melting point, fire resistance, and coloring.
【００２１】そして、低融点ガラス６を粉砕工程７にお
いて、用途に応じて粗粉砕、細粉砕、微粉砕等の適度な
粒度に粉砕して原料ガラス８を得る。この原料ガラス８
は、成分調整しているので、その性状が一定で、低融点
であるので、低い焼成温度で焼結させることができ、窯
業原料に適したものとなる。したがって、従来において
廃棄場所に困窮していた無用で価値のない溶融スラグ
を、有用で高級な窯業原料として資源化することができ
る。Then, in the pulverizing step 7, the raw glass 8 is obtained by pulverizing the low-melting glass 6 to an appropriate particle size such as coarse pulverization, fine pulverization, or fine pulverization according to the intended use. This raw glass 8
Since the component is adjusted, its properties are constant and its melting point is low, so that it can be sintered at a low firing temperature, which is suitable for ceramic raw materials. Therefore, the useless and valuable molten slag which had been hardly used at the disposal place can be recycled as a useful and high-quality ceramic raw material.
【００２２】また、溶融処理を還元雰囲気で行うと、溶
融スラグ中の鉄分を還元して金属鉄として分離すること
ができ、鉄分を含まない低融点ガラス６が得られる。こ
の低融点ガラス６から形成した原料ガラス８は鉄分を含
まないことにより、高級な窯業原料となる。Further, when the melting treatment is performed in a reducing atmosphere, iron in the molten slag can be reduced and separated as metallic iron, and a low melting point glass 6 containing no iron can be obtained. The raw glass 8 formed from the low-melting glass 6 does not contain iron, so that it becomes a high-grade ceramic raw material.
【００２３】原料ガラス８を用いて窯業製品を製造する
場合には、適度な粒度の原料ガラス８と成形母材料９と
を水１０とともに混合混練１１して粘土状体１２を形成
し、この粘土状体１２を任意の製品形状に成型１３して
乾燥固化させた後に、８００℃〜１１００℃で低温焼成
１４し、低温窯業焼結体１５を得る。このとき、低融点
である原料ガラス８が焼結を促進する助剤として作用
し、成形母材料９を低温で焼結させることができ、吸水
率および収縮率がともに低い値の低温窯業焼結体１５を
得ることができる。When a ceramic product is manufactured using the raw glass 8, the raw glass 8 having a suitable particle size and a molding base material 9 are mixed and kneaded 11 with water 10 to form a clay-like body 12. The shaped body 12 is molded 13 into an arbitrary product shape, dried and solidified, and then calcined at a low temperature of 800 ° C. to 1100 ° C. to obtain a sintered body 15 at a low temperature. At this time, the raw material glass 8 having a low melting point acts as an auxiliary for promoting sintering, and the molding base material 9 can be sintered at a low temperature. The body 15 can be obtained.
【００２４】成形母材料９としては、未調整の溶融スラ
グを冷却固化して適当粒度に粉砕したガラス材、一般岩
石類，鉱山廃砕，河川の堆積物，湖沼のヘドロ，産業廃
棄物等の窯業としての未利用原料、一般窯業原料または
成形材としての粘土，各種セメントのいずれかの一物、
ないし複数物を用いる。また、原料ガラス８自身を成形
母材９として用いても良い。いずれの場合にも低温窯業
焼結体１５は吸水率および収縮率がともに低い値とな
る。表１に、これらの成形母材料９と原料ガラス８の混
合比率およびその焼結体の性状を示す。Examples of the forming base material 9 include glass materials obtained by cooling and solidifying unadjusted molten slag and pulverizing it to an appropriate particle size, general rocks, mine debris, river sediments, lake sludge sludge, industrial waste, and the like. Unused raw materials as ceramics, clay as general ceramics materials or molding materials, any one of various cements,
Or use multiple objects. Further, the raw material glass 8 itself may be used as the forming base material 9. In any case, the low-temperature ceramic sintered body 15 has a low water absorption rate and a low shrinkage rate. Table 1 shows the mixing ratio of the molding base material 9 and the raw glass 8 and the properties of the sintered body.
【００２５】[0025]
【表１】 [Table 1]
【００２６】上述したように、成形母材料９として未調
整の溶融スラグからなるガラス材を用いる場合に、原料
ガラス８には成分調整によって任意の性能を与えること
ができるので、従来において焼結体の品質を調整するた
めに用いていた調整材の役割を原料ガラス８で担うこと
ができる。また、低融点である原料ガラス８が焼結を促
進する助剤として作用することにより、従来窯業原料と
しては未利用である、一般岩石類，鉱山廃砕，河川の堆
積物，湖沼のヘドロ，産業廃棄物等を成形母材料として
低温焼結体を製造することができる。As described above, when a glass material made of unadjusted molten slag is used as the molding base material 9, the raw glass 8 can be given any performance by adjusting the components. The raw material glass 8 can play the role of the adjusting material used to adjust the quality of the glass. In addition, since the raw glass 8 having a low melting point acts as an auxiliary for promoting sintering, general rocks, mine debris, river sediments, sludge of lakes and marshes which have not been conventionally used as ceramic raw materials. A low-temperature sintered body can be manufactured using industrial waste or the like as a molding base material.
【００２７】特に、成形母材料９として一般窯業原料ま
たは成形材としての粘土，各種セメントを用いる場合に
は、従来の窯業製造において用いていた成分調整材の役
割を原料ガラス８で担うことができ、従来の窯業製品を
低温で焼結させることができ、窯業製造におけるコスト
の低減を図ることができる。また、従来の窯業製品では
縮み代が２５％と言われるが、原料ガラス８を混合する
ことにより、収縮率を２％以下に抑制することができ
る。In particular, when using a general ceramic raw material or a clay or various cements as a molding material as the molding base material 9, the raw material glass 8 can play the role of the component adjusting material used in the conventional ceramic manufacturing. In addition, conventional ceramic products can be sintered at a low temperature, and costs in ceramic manufacturing can be reduced. Further, the shrinkage allowance is 25% in the conventional ceramic products, but by mixing the raw glass 8, the shrinkage can be suppressed to 2% or less.
【００２８】[0028]
【発明の効果】以上述べたように本発明によれば、廃棄
物に調整材を添加して低融点ガラスを得ることにより、
従来において無用で価値のない廃棄物および溶融スラグ
を有用で高級な窯業原料として資源化することができ
る。また、原料ガラスは成分調整により性状が一定であ
り、低融点であるので、成形母材料に混合して用いると
成形母材料を低温で焼結させることができ、吸水率およ
び収縮率がともに低い値となる優れた品質の低温窯業焼
結体を得ることができる。成形母材料として、従来の溶
融スラグ、今まで未利用の一般岩石類，鉱山廃砕等、一
般窯業原料である粘土を用いることができ、窯業製造に
おけるコストの低減を図ることができる。As described above, according to the present invention, a low melting glass is obtained by adding an adjusting material to waste.
Conventionally, useless and valuable waste and molten slag can be recycled as useful and high-grade ceramic raw materials. In addition, since the raw material glass has a constant property and a low melting point due to component adjustment, when used as a mixture with the molding base material, the molding base material can be sintered at a low temperature, and both the water absorption and the shrinkage are low. It is possible to obtain a low-temperature ceramic sintered body of excellent quality, which is a value. As a molding base material, clay, which is a raw material for general ceramics, such as conventional molten slag, general rocks that have not been used up to now, and mine demolition, can be used, and costs in ceramic manufacturing can be reduced.
【図１】本発明の一実施例を示す低温窯業焼結体の製造
工程図である。FIG. 1 is a manufacturing process diagram of a low-temperature ceramics sintered body showing one embodiment of the present invention.
１ 廃棄物 ２ 調整材 ６ 低融点ガラス ８ 原料ガラス ９ 成形母材料 １５ 低温窯業焼結体 DESCRIPTION OF SYMBOLS 1 Waste 2 Conditioning material 6 Low melting glass 8 Raw material glass 9 Molding base material 15 Low temperature ceramics sintered compact
───────────────────────────────────────────────────── フロントページの続き (72)発明者 平松 健治 大阪府大阪市浪速区敷津東１丁目２番47 号 株式会社クボタ内 (72)発明者 芝軒 悟 大阪府大阪市浪速区敷津東１丁目２番47 号 株式会社クボタ内 (72)発明者 清田 哲夫 大阪府大阪市浪速区敷津東１丁目２番47 号 株式会社クボタ内 (72)発明者 田島 博 大阪府大阪市浪速区敷津東１丁目２番47 号 株式会社クボタ内 (56)参考文献 特開 平５−68959（ＪＰ，Ａ) 特開 平４−124059（ＪＰ，Ａ) 特開 昭62−212260（ＪＰ，Ａ) 特開 昭52−19704（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) C04B 5/06 B09B 3/00 C03B 1/00 ZAB C04B 33/13 ZAB C04B 35/00 ZAB ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Kenji Hiramatsu 1-2-47 Shikitsuhigashi, Namiwa-ku, Osaka-shi, Osaka Prefecture Inside Kubota Corporation (72) Inventor Satoru Shibaken Shirotsu-higashi, Namiwa-ku, Osaka-shi, Osaka 1-2-47, Kubota Co., Ltd. (72) Inventor Tetsuo Kiyota 1-2-47, Shibutsu Higashi, Naniwa-ku, Osaka-shi, Osaka (72) Inventor Hiroshi Tajima, Naniwa-ku, Osaka-shi, Osaka 1-2-47 Tsuto Kubota Corporation (56) References JP-A-5-68959 (JP, A) JP-A-4-124059 (JP, A) JP-A-62-212260 (JP, A) JP-A-52-19704 (JP, A) (58) Fields investigated (Int. Cl. 7 , DB name) C04B 5/06 B09B 3/00 C03B 1/00 ZAB C04B 33/13 ZAB C04B 35/00 ZAB
Claims (5)
河川の堆積物，湖沼のヘドロ等の廃棄物を溶融処理して
溶融スラグ化するに際し、廃棄物に調整材を添加して還
元雰囲気で溶融処理することにより調整溶融スラグを生
成し、この調整溶融スラグを冷却固化して所定の性能を
有する低融点ガラスを形成し、この低融点ガラスを適当
粒度に粉砕することにより窯業原料としての原料ガラス
を得ることを特徴とする溶融スラグの高級資源化方法。[Claim 1] Municipal waste, sewage sludge, fly ash, mine demolition,
Sediment of river, when melted slag by melting processing wastes sludge such lakes with the addition of adjusting material waste place
A molten slag is produced by performing melting treatment in the original atmosphere, and the adjusted molten slag is cooled and solidified to form a low-melting glass having predetermined performance, and the low-melting glass is crushed to an appropriate particle size to obtain a ceramic raw material. A method for refining molten slag as a resource, comprising obtaining raw glass as a raw material.
酸、アルミン酸、および前記酸の鉱物，酸化物，化合
物，塩類、アルカリ金属、アルカリ土類の塩，酸化物，
化合物、亜鉛、珪酸ジルコニューム、これらを含む廃棄
物のいずれかの一材、ないし複数材を用いることを特徴
とする請求項１記載の溶融スラグの高級資源化方法。2. As an adjusting material, various kinds of phosphoric acid, boric acid, silicic acid, aluminate, and minerals, oxides, compounds, salts, alkali metals, alkaline earth salts, oxides, and the like of the above acids are used.
2. The method of claim 1, wherein one or more of a compound, zinc, zirconium silicate, and waste containing them are used.
級資源化方法により、低融点化と鉄分除去を行なった原
料ガラスを生成し、この原料ガラスと成形母材料とを水
とともに混合混練して粘土状体を形成し、この粘土状体
を成型して乾燥固化させた後に、８００℃〜１１００℃
で焼成し、焼結を促進する助剤として原料ガラスを作用
させて成形母材料を低温で焼結することで、吸水率およ
び収縮率がともに低い値の低温窯業焼結体を得ることを
特徴とする低温窯業焼結体の製造方法。3. A method for producing a raw glass from which a melting point is reduced and iron is removed by the method for refining molten slag according to claim 1 or 2, wherein the raw glass and the molding base material are mixed. After mixing and kneading with water to form a clay-like body, the clay-like body is molded and dried and solidified.
And raw glass acts as an auxiliary to promote sintering
Sintering the molding base material at low temperature
Method for producing a low-temperature ceramic sintered fine shrinkage characterized that you get a cold ceramic sintered body are both low.
を冷却固化して適当粒度に粉砕したガラス材、一般岩石
類，鉱山廃砕，河川の堆積物，湖沼のヘドロ，産業廃棄
物等の窯業としての未利用原料、一般窯業原料または成
形材としての粘土，各種セメントのいずれかの一物、な
いし複数物を用いることを特徴とする請求項３記載の低
温窯業焼結体の製造方法。4. As a forming base material, glass material obtained by cooling and solidifying unadjusted molten slag to a suitable particle size, general rocks, mine demolition, river sediment, lake sludge, industrial waste, and the like. The method for producing a low-temperature ceramics sintered body according to claim 3, characterized in that one or more of raw materials not used as ceramics, general ceramics raw materials or molding materials as clay and various cements are used.
特徴とする請求項３記載の低温窯業焼結体の製造方法。5. The method for producing a low-temperature ceramic sintered body according to claim 3, wherein the raw glass itself forms a forming base material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29624992A JP3188326B2 (en) | 1992-11-06 | 1992-11-06 | Method for recycling molten slag to high-grade resources and method for producing low-temperature ceramic sintered body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29624992A JP3188326B2 (en) | 1992-11-06 | 1992-11-06 | Method for recycling molten slag to high-grade resources and method for producing low-temperature ceramic sintered body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06144892A JPH06144892A (en) | 1994-05-24 |
| JP3188326B2 true JP3188326B2 (en) | 2001-07-16 |
Family
ID=17831127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29624992A Expired - Lifetime JP3188326B2 (en) | 1992-11-06 | 1992-11-06 | Method for recycling molten slag to high-grade resources and method for producing low-temperature ceramic sintered body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3188326B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6499365B1 (en) | 1998-11-02 | 2002-12-31 | Eppendorf Ag | Electronic metering device |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| UA74802C2 (en) | 1999-12-06 | 2006-02-15 | Rgs90 | A process for producing glass, glass produced by this method and use thereof |
| EP1946858A4 (en) * | 2005-09-12 | 2012-03-14 | Manent Salvador Martinez | Method of producing glass articles |
| ES2270721B1 (en) * | 2005-09-12 | 2008-05-16 | Salvador Martinez Manent | METHOD FOR THE MANUFACTURE OF GLASS ITEMS. |
| CN112209638B (en) * | 2020-09-30 | 2021-09-14 | 北京科技大学 | Method for preparing artificial stone by using iron-containing slag obtained by pyrometallurgy |
| CN116375452A (en) * | 2023-03-30 | 2023-07-04 | 中国科学院城市环境研究所 | Sludge incineration ash and waste incineration fly ash synergetic detoxification and resource utilization method |
-
1992
- 1992-11-06 JP JP29624992A patent/JP3188326B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6499365B1 (en) | 1998-11-02 | 2002-12-31 | Eppendorf Ag | Electronic metering device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06144892A (en) | 1994-05-24 |
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