CN1186290C - 皮江法炼镁渣制砖制备方法 - Google Patents

皮江法炼镁渣制砖制备方法 Download PDF

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CN1186290C
CN1186290C CNB021354685A CN02135468A CN1186290C CN 1186290 C CN1186290 C CN 1186290C CN B021354685 A CNB021354685 A CN B021354685A CN 02135468 A CN02135468 A CN 02135468A CN 1186290 C CN1186290 C CN 1186290C
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slag
smelting magnesium
pidgeon process
making
preparation
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CN1401605A (zh
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朱广东
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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C04B41/85—Coating or impregnation with inorganic materials
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/14—Waste materials; Refuse from metallurgical processes
    • C04B18/141—Slags
    • C04B18/144—Slags from the production of specific metals other than iron or of specific alloys, e.g. ferrochrome slags
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B30/00—Compositions for artificial stone, not containing binders
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • Processing Of Solid Wastes (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)

Abstract

一种皮江法炼镁渣制砖制备方法，主要解决现有皮江法金属镁冶炼渣和烟气没有被利用，造成环境污染的问题。其制备方法是将炼镁渣从还原罐中铲出，自然冷却至常温，然后加入炼镁渣的50～60%的水，混合；将混合后的渣料在常温下放置一周，送入制砖机中成型；成型后的砖坯送入碳化室中，被白云石煅烧后产生的二氧化碳烟气进行碳化，即成为产品。用本方法制砖，可以充分利用现有皮江法金属镁冶炼过程中产生的渣和烟气，由于将废渣和废气综合利用制成建筑材料，减少了排渣所占耕地以及对环境的污染，同时又减少了二氧化碳向大气的排放数量，降低了二氧化碳对大气产生的温室效应的影响。

Description

皮江法炼镁渣制砖制备方法
技术领域
本发明涉及一种皮江法炼镁渣制砖制备方法。
背景技术
目前，皮江法金属镁冶炼渣和烟气，大部分都采用自然排放和掩埋，少部分采用掺加部分水泥制成砌块销售，白云石煅烧烟气没有被利用，直接排放大气，造成环境污染。
发明内容
本发明所要解决的就是现有皮江法金属镁冶炼渣和烟气没有被利用，直接排放大气，造成环境污染的问题，而提供的一种将金属镁冶炼渣和烟气两者加在一起综合利用的制备方法。
本发明的技术解决方案是这样实现的。一种皮江法炼镁渣制砖制备方法，该制备方法的步骤为：
1)将炼镁渣从还原罐中铲出，自然冷却至常温，然后加入炼镁渣的50～60％的水，混合；
2)将混合后的渣料在常温下放置一周；
3)将此混合渣送入制砖机中成型；
4)成型后的砖坯送入碳化室中，在碳化室中被白云石煅烧后产生的二氧化碳烟气进行碳化，即成为产品。
所述的炼镁渣中还加入炼镁渣的30～50％的燃煤煤渣。
用本发明制备方法制砖，工艺极为简单，可以充分利用现有皮江法金属镁冶炼过程中产生的渣和烟气，由于将废渣和废气综合利用制成建筑材料，减少了排渣所占耕地以及对环境的污染，同时又减少了二氧化碳向大气的排放数量，降低了二氧化碳对大气产生的温室效应的影响。
具体实施方式
实施例1
1)将炼镁渣从还原罐中铲出，自然冷却至常温，然后给炼镁渣加入50％的水，混合；
2)将混合后的渣料在常温下放置一周；
3)将此混合渣送入制砖机中成型；
4)成型后的砖坯送入碳化室中，在碳化室中被白云石煅烧后产生的二氧化碳烟气进行碳化，即成为产品。
实施例2
1)将炼镁渣从还原罐中铲出，自然冷却至常温，然后给炼镁渣加入55％的水，混合；
2)将混合后的渣料在常温下放置一周，加入炼镁渣的40％的粉碎成10mm以下的燃煤煤渣，混合均匀；
3)将此混合渣送入制砖机中成型；
4)成型后的砖坯送入碳化室中，在碳化室中被白云石煅烧后产生的二氧化碳烟气进行碳化，即成为产品。

Claims (2)

1、一种皮江法炼镁渣制砖制备方法，其特征在于该制备方法的步骤为：
1)将炼镁渣从还原罐中铲出，自然冷却至常温，然后加入炼镁渣的50～60％的水，混合；
2)将混合后的渣料在常温下放置一周；
3)将此混合渣送入制砖机中成型；
4)成型后的砖坯送入碳化室中，在碳化室中被白云石煅烧后产生的二氧化碳烟气进行碳化，即成为产品。
2、根据权利要求1所述的制备方法，其特征在于所述的炼镁渣中还加入炼镁渣的30～50％的燃煤煤渣。
CNB021354685A 2002-09-07 2002-09-07 皮江法炼镁渣制砖制备方法 Expired - Fee Related CN1186290C (zh)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101113623B (zh) * 2006-07-26 2010-08-18 贵州世纪天元矿业有限公司 一种添加煤渣的镁渣砖及其制备方法
CN101045617B (zh) * 2006-03-27 2011-09-28 肖力光 镁废渣建筑砖及生产方法
CN101725988B (zh) * 2009-11-03 2011-08-10 洪一兵 一种垃圾处理及利用的综合方法
CN103030312B (zh) * 2013-01-10 2014-07-30 朱广东 一种金属镁冶炼渣的处理方法
CN105218110B (zh) * 2015-08-21 2017-12-26 山西八达镁业有限公司 一种金属镁冶炼中废耐火材料回收利用方法
CN106396440B (zh) * 2016-08-31 2019-06-21 中国建筑材料科学研究总院 废气废渣综合利用的方法
CN109485360B (zh) * 2018-12-28 2020-11-10 西安交通大学 一种以硅热法炼镁废渣为原料生产的建筑成型材料及其方法
CN116199525A (zh) * 2022-09-04 2023-06-02 山东京韵泰博新材料科技有限公司 一种co2活化制备碳酸钙粘结剂的制备方法
CN116553895A (zh) * 2023-04-10 2023-08-08 东南大学 一种镁渣固碳胶凝材料及其制备方法

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