JPH06144892A - Method for converting molten slag into high-class resource and production of low-temperature ceramic sintered compact - Google Patents
Method for converting molten slag into high-class resource and production of low-temperature ceramic sintered compactInfo
- Publication number
- JPH06144892A JPH06144892A JP4296249A JP29624992A JPH06144892A JP H06144892 A JPH06144892 A JP H06144892A JP 4296249 A JP4296249 A JP 4296249A JP 29624992 A JP29624992 A JP 29624992A JP H06144892 A JPH06144892 A JP H06144892A
- Authority
- JP
- Japan
- Prior art keywords
- glass
- molten slag
- low
- raw material
- waste
- 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
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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Processing Of Solid Wastes (AREA)
- Glass Melting And Manufacturing (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
(57)【要約】
【構成】 都市ごみ、下水汚泥、飛灰等の廃棄物１に調
整材２を添加して溶融処理し、冷却固化して所定の性能
を有する低融点ガラス６を形成し、この低融点ガラス６
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８を得る。
【効果】 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。原料ガラス８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９に混合して用
いると成形母材料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低温窯業焼結体１５を得
ることができる。
(57) [Summary] [Structure] A waste material 1 such as municipal solid waste, sewage sludge, fly ash, etc. is added with a conditioning material 2 and melted and cooled and solidified to form a low melting point glass 6 having a predetermined performance. , This low melting point glass 6
The raw material glass 8 as a ceramic raw material is obtained by crushing to a suitable particle size. [Effect] Wastes and molten slag, which are conventionally useless and have no value, can be recycled as useful and high-grade ceramic raw materials. The raw material glass 8 has a constant property by adjusting the components and has a low melting point. Therefore, when the raw material glass 8 is mixed with the molding base material 9 to be used, the molding base material 9 can be sintered at a low temperature, and both the water absorption rate and the shrinkage rate are high. It is possible to obtain a low temperature low-temperature ceramic sintered body 15.
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。BACKGROUND OF THE INVENTION The present invention relates to municipal waste, sewage sludge,
The present invention relates to a method for converting a molten slag obtained by melting a waste such as industrial waste into a high-quality resource and a method for manufacturing 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, but it is difficult to cope with the recent increase in the amount of municipal solid waste and industrial waste. Therefore, it is melted and vitrified to reduce the volume, and is 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。[Problems to be Solved by the Invention] However, since landfill disposal involves the reduction of forest resources due to the deforestation of mountain forests and the reduction of fishing grounds due to the reduction of beaches, it is necessary to secure land for landfills from the viewpoint of environmental conservation. Has become difficult. In addition, since hazardous substances may be eluted into the leachate at the landfill site and cause secondary pollution, additional equipment such as water treatment facilities must be installed at the final disposal site, and a large amount of money is required to secure the landfill site. There was a costly problem.
【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。The present invention is to solve the above-mentioned problems, and a method for making high-grade resources of molten slag and a low-temperature kiln that can make useless and worthless molten slag obtained by melting and treating waste as a useful kiln raw material. An object 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
めに、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。[Means for Solving the Problems] In order to solve the above-mentioned problems, the method for converting molten slag into a high-grade resource of the present invention is directed to municipal waste, sewage sludge, fly ash, mine abandonment, river sediments, lakes and marshes. When melting waste such as sludge and making it into molten slag, adjusting material is added to the waste and melt processing is performed to generate adjusted molten slag, and the adjusted molten slag is cooled and solidified to obtain a predetermined performance. By forming a low-melting-point glass having the same and crushing the low-melting-point glass to an appropriate particle size, a raw material glass as a ceramic raw material is obtained.
【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。Further, various phosphoric acid, boric acid, and
Silicic acid, aluminic acid, and minerals, oxides, compounds, salts of the above acids, salts of alkali metals, alkaline earths, oxides,
One of the compounds, zinc, zirconium silicate, and waste containing these, or a plurality of materials are used.
【０００７】さらに、溶融処理を還元雰囲気で行う構成
としたものである。本発明の低温窯業焼結体の製造方法
は、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℃で焼成する構成とし
たものである。Further, the melting process is performed in a reducing atmosphere. The method for producing a low temperature ceramic sintered body according to the present invention is a method in which a raw material glass and a forming base material are mixed and kneaded with water to form a clay-like body, and the clay-like body is formed and dried and solidified, and then 800 ° C. It is configured to be fired at ˜1100 ° C.
【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 molding base material, glass material obtained by cooling and solidifying unadjusted molten slag and pulverizing it to an appropriate particle size, general rocks, mine crushing, river sediment, lake sludge, industrial waste, etc. Unused raw materials for the ceramic industry, general ceramic raw materials or clay as the molding material, and any one or a plurality of various cements are used.
【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 glass itself constitutes the 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。[Operation] In the above-mentioned configuration, municipal waste, sewage sludge,
The components of the glass obtained by cooling and solidifying the molten slag obtained by melting waste such as fly ash vary depending on the properties of municipal 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。Therefore, as a refractory adjusting material and a component adjusting material, various phosphoric acid, boric acid, silicic acid, aluminic acid, and minerals, oxides, compounds, salts, alkali metals, alkaline earth salts and oxidations of the above acids are used. Substances, compounds, zinc, zirconium silicate, wastes containing these, and the like to adjust the components of the molten slag, thereby obtaining a predetermined performance, for example, the ability to melt at a low temperature that is arbitrarily set. A glass with a melting point is obtained.
【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 material glass obtained by crushing the low melting point glass to have an appropriate particle size has a constant property because its components are adjusted and has a low melting point. Therefore, when it is 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 rate and the shrinkage rate 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。Further, when the melting treatment is carried out in a reducing atmosphere, the iron content in the molten slag can be reduced and separated as metallic iron, and a low melting point glass containing no iron content can be obtained. Since the raw material glass formed from this low melting point glass does not contain iron, it 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 material glass and the forming 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 ° C. to 1100 ° C. The raw material glass, which has a melting point, acts as an auxiliary agent that promotes sintering, allows the molding base material to be sintered at a low temperature, and can obtain a low-temperature ceramic sintered body having a low water absorption rate and a low shrinkage rate. .
【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。Further, since the raw material glass can be given arbitrary performance by adjusting the components, when a glass material made of unadjusted molten slag is used as the molding base material,
The raw material glass can play the role of the adjusting material that has been used in the past 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。Further, since the raw material glass having a low melting point acts as an auxiliary agent for promoting the sintering, it has not been used as a raw material for the conventional ceramic industry, but it is not used in general rocks, mine scraps, river sediments, lakes and marshes. A low temperature sintered body can be manufactured using sludge, industrial waste, etc. as a molding 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 clay as a molding material 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 to being able to sinter conventional ceramic products at low temperatures, it is possible to reduce costs in ceramic manufacturing.
【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 it is possible to use the raw material glass itself as the 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。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, municipal waste, sewage sludge, fly ash, etc. are used as the waste 1, the adjusting material 2 such as the refractory adjusting material and the component adjusting material is added to the waste 1, and the melting treatment is performed in the melting furnace 3. To do. As the adjusting material 2, various kinds of phosphoric acid, boric acid, silicic acid, aluminic acid, and minerals, oxides, compounds, salts of the above acids, salts of alkali metals and alkaline earths, oxides,
Any one of compound, zinc, zirconium silicate,
Or multiple materials are used.
【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 treatment vary depending on the properties of municipal solid waste, sewage sludge, and fly ash, but are generally within a certain range, and N, C, CO,
S, H 2 O, etc. are dissolved. Therefore, in waste 1,
The adjusting molten slag 4 discharged from the melting furnace 3 by adding the adjusting material 2 such as the refractory adjusting material and the component adjusting material to adjust the composition of the molten slag is different from the molten slag to which nothing is added during the melting treatment. Adjustable molten slag 4
The low melting point glass 6 obtained by cooling and solidifying 5 has a lower melting point than the conventional one. Therefore, by appropriately selecting the adjusting material 2 to be added, it is possible to impart predetermined performance, for example, a low melting point, fire resistance, and color development that are arbitrarily set.
【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 crushing step 7, the low-melting glass 6 is crushed to an appropriate particle size such as coarse crushing, fine crushing and fine crushing according to the use to obtain the raw material glass 8. 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 and is suitable as a ceramic raw material. Therefore, the useless and worthless molten slag, which has conventionally been in trouble at the disposal site, can be recycled as a useful and high-grade 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。When the melting treatment is performed in a reducing atmosphere, the iron content in the molten slag can be reduced and separated as metallic iron, and the low melting point glass 6 containing no iron content can be obtained. Since the raw material glass 8 formed from the low melting point glass 6 does not contain iron, 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 material glass 8, the raw material glass 8 and the molding base material 9 each having an appropriate grain size are mixed and kneaded 11 with water 10 to form a clay-like body 12, and the clay 12 is formed. The shaped body 12 is molded 13 into an arbitrary product shape, dried and solidified, and then low-temperature baked 14 at 800 ° C. to 1100 ° C. to obtain a low-temperature ceramic sintered body 15. At this time, the raw material glass 8 having a low melting point acts as an auxiliary agent for accelerating the sintering, the forming base material 9 can be sintered at a low temperature, and the low temperature ceramic sintering having both a low water absorption rate and a low shrinkage rate. 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 molding base material 9 include glass materials obtained by cooling and solidifying unadjusted molten slag and crushing to an appropriate particle size, general rocks, mine crushing, river sediments, sludge in lakes, industrial wastes, etc. Any one of unused raw materials for ceramics, clay for general ceramics or clay as molding material, and various cements,
Or use multiple objects. Further, the raw material glass 8 itself may be used as the forming base material 9. In either 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 material 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 material glass 8 can be given any desired performance by adjusting the components, so that the conventional sintered body is obtained. The raw material glass 8 can play the role of the adjusting material used to adjust the quality of the glass. Further, since the raw material glass 8 having a low melting point acts as an auxiliary agent for promoting the sintering, general rocks, mine scraps, river sediments, sludge in lakes, which have not been used as the raw materials for the conventional ceramics, 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 general ceramic raw materials or clay as a molding material or various cements are used 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. The conventional ceramic products can be sintered at a low temperature, and the cost for manufacturing the ceramics can be reduced. Further, in the conventional ceramic products, the shrinkage allowance is said to be 25%, but by mixing the raw material glass 8, the shrinkage rate 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 point glass is obtained by adding a conditioning material to waste,
Waste and molten slag, which are conventionally useless and have no value, can be recycled as useful and high-grade ceramic raw materials. In addition, since the raw material glass has a constant property by adjusting the components and has a low melting point, it can be sintered at a low temperature when used by being mixed with the molding base material, and both the water absorption rate and the shrinkage rate are low. It is possible to obtain a low-temperature ceramic sinter having an excellent value. As the molding base material, clay which is a raw material for general ceramics such as conventional molten slag, general rocks that have not been used so far, and mine crushing can be used, and the cost for manufacturing ceramics 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 ceramic sinter according to an 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 1 Waste 2 Conditioning Material 6 Low Melting Glass 8 Raw Glass 9 Molding Base Material 15 Low Temperature Ceramic Sintered Body
───────────────────────────────────────────────────── フロントページの続き (72)発明者 上林 史朗 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 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 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shiro Uebayashi 1-247 Shikitsuhigashi, Naniwa-ku, Osaka-shi, Osaka Kubota Co., Ltd. (72) Kenji Hiramatsu Shikazuhigashi, Naniwa-ku, Osaka-shi, Osaka 1-247 No. 47 Kubota Co., Ltd. (72) Inventor Satoru Shibaken No. 1-247 Shikitsuhigashi, Naniwa-ku, Osaka-shi, Osaka Prefecture Kubota Co., Ltd. (72) Tetsuo Kiyota Naniwa-ku, Osaka-shi, Osaka 1-27 Shishizu East Kubota Co., Ltd. (72) Inventor Hiroshi Tajima 1-2-47 Shishizu East 1-2, Naniwa-ku, Osaka City, Osaka Prefecture Kubota Co., Ltd.
Claims (6)
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。1. Municipal refuse, sewage sludge, fly ash, mine scrapping,
When melting wastes such as river sediments and sludge in lakes to form molten slag, the adjusted molten slag is generated by adding the adjusting material to the waste and melting it, and cooling the adjusted molten slag. A method for recycling high-grade resources of molten slag, which comprises solidifying to form a low-melting glass having a predetermined performance, and crushing the low-melting glass to an appropriate particle size to obtain a raw glass as a ceramic 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 the adjusting material, various phosphoric acid, boric acid, silicic acid, aluminic acid, and minerals, oxides, compounds, salts, alkali metals, alkaline earth salts and oxides of the above acids,
The method for recycling high-grade resources of molten slag according to claim 1, wherein one or a plurality of materials of the compound, zinc, zirconium silicate, and waste containing these are used.
とする請求項１または２記載の溶融スラグの高級資源化
方法。3. The method for recycling high-grade resources of molten slag according to claim 1 or 2, wherein the melting treatment is performed in a reducing atmosphere.
の高級資源化方法により、成分調整した原料ガラスを生
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℃で焼成するこ
とを特徴とする低温窯業焼結体の製造方法。4. A raw material glass, the components of which are adjusted by the method for making a high-grade resource of molten slag according to claim 1, 2, or 3, and the raw material glass and the forming base material are mixed and kneaded with water to obtain a clay-like body. Is formed, the clay-like body is molded, dried and solidified, and then fired at 800 ° C. to 1100 ° C., a method for producing a low-temperature ceramic sintered body.
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４記載の低
温窯業焼結体の製造方法。5. As a molding base material, glass material obtained by cooling and solidifying unadjusted molten slag to a proper particle size, general rocks, mine crushing, river sediment, sludge in lakes, industrial waste, etc. The method for producing a low-temperature ceramic sintered body according to claim 4, wherein one or a plurality of unused raw materials for ceramics, general ceramic raw materials or clay as a molding material, and various cements are used.
特徴とする請求項４記載の低温窯業焼結体の製造方法。6. The method for producing a low temperature ceramic sinter according to claim 4, wherein the raw material 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 true JPH06144892A (en) | 1994-05-24 |
| JP3188326B2 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 (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7017371B2 (en) | 1999-12-06 | 2006-03-28 | Rgs90 | Method for producing a glass |
| ES2270721A1 (en) * | 2005-09-12 | 2007-04-01 | Salvador Martinez Manent | Method of producing glass articles |
| EP1946858A4 (en) * | 2005-09-12 | 2012-03-14 | Manent Salvador Martinez | Method of producing glass articles |
| CN112209638A (en) * | 2020-09-30 | 2021-01-12 | 北京科技大学 | A method for preparing artificial stone by using iron-containing molten slag obtained by pyrometallurgy |
| CN116375452A (en) * | 2023-03-30 | 2023-07-04 | 中国科学院城市环境研究所 | A method for synergistic detoxification and resource utilization of sludge incineration ash and waste incineration fly ash |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19850417C2 (en) | 1998-11-02 | 2002-08-08 | Eppendorf Ag | Electronic dosing device |
-
1992
- 1992-11-06 JP JP29624992A patent/JP3188326B2/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7017371B2 (en) | 1999-12-06 | 2006-03-28 | Rgs90 | Method for producing a glass |
| ES2270721A1 (en) * | 2005-09-12 | 2007-04-01 | Salvador Martinez Manent | Method of producing glass articles |
| WO2007031588A3 (en) * | 2005-09-12 | 2007-05-10 | 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. |
| EP1946858A4 (en) * | 2005-09-12 | 2012-03-14 | Manent Salvador Martinez | Method of producing glass articles |
| CN112209638A (en) * | 2020-09-30 | 2021-01-12 | 北京科技大学 | A method for preparing artificial stone by using iron-containing molten slag obtained by pyrometallurgy |
| 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 | A method for synergistic detoxification and resource utilization of sludge incineration ash and waste incineration fly ash |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3188326B2 (en) | 2001-07-16 |
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