CN112777999A - 一种废瓷粉回收再利用方法 - Google Patents

一种废瓷粉回收再利用方法 Download PDF

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CN112777999A
CN112777999A CN202110221348.3A CN202110221348A CN112777999A CN 112777999 A CN112777999 A CN 112777999A CN 202110221348 A CN202110221348 A CN 202110221348A CN 112777999 A CN112777999 A CN 112777999A
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slurry
waste
porcelain powder
waste porcelain
powder
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安然
杜建英
王佳丽
鲁国涛
王帅
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Tangshan Monopy Ceramic Co ltd
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Tangshan Monopy Ceramic Co ltd
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
    • C04B33/13Compounding ingredients
    • C04B33/132Waste materials; Refuse; Residues
    • C04B33/1324Recycled material, e.g. tile dust, stone waste, spent refractory material
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
    • C04B33/13Compounding ingredients
    • C04B33/131Inorganic additives
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
    • C04B33/13Compounding ingredients
    • C04B33/132Waste materials; Refuse; Residues
    • C04B33/1321Waste slurries, e.g. harbour sludge, industrial muds
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
    • C04B33/13Compounding ingredients
    • C04B33/16Lean materials, e.g. grog, quartz
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3427Silicates other than clay, e.g. water glass
    • C04B2235/3463Alumino-silicates other than clay, e.g. mullite
    • YGENERAL 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
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    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/60Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

本发明涉及陶瓷废料处理方法,具体是一种废瓷粉回收再利用方法,包括以下步骤:(1)将废瓷破碎,颗粒直径不超过5mm;(2)配制泥浆,泥浆干料包含以下组分:石英砂8%,泥长石11%,高岭土23%,叶腊石10%,绢云母13%,伊利石类黏土18%,黑泥8%,废瓷粉9%;采用湿法球磨研磨3‑5小时,过350目筛,筛余小于6.0%,制成陶瓷生产用泥浆。通过合理调整泥浆配方中其他原料的比例,可以将废瓷粉添加量提高到9%,不会导致泥浆和成瓷的性能发生变化,保证产品品质;本发明的废瓷粉利用远超同行业现有水平,能够将工厂产生的废瓷完全回收再利用,降低生产成本和废弃物处理成本,提高经济效益与社会效益。

Description

一种废瓷粉回收再利用方法
技术领域
本发明涉及陶瓷废料处理方法,具体是一种废瓷粉回收再利用方法。
背景技术
陶瓷生产过程中,不可避免会出现不合格品产品,这些不合格品产品如果作为固体废弃物处理,不但处理难度大,而且会大大增加生产成本,因此废瓷粉碎后回用势在必行。普通废瓷粉的化学组成包括SiO2、 Al2O3、 K2O、Na2O,其中Al2O3含量与长石接近,K2O、Na2O含量比长石低,在一般情况下,废瓷粉在泥浆配方中可以部分代替。
基于此,在现有技术中,利用高压注浆的方法才能将废瓷粉利用到10%,但是,由于常规烧制方法对原料可塑性要求高,同行业在常规烧制的生产方式下的普遍做法是在泥浆中加入4%左右的废瓷粉。废瓷粉属于煅烧后的物料,它的过多加入会导致泥浆和成瓷的性能发生变化,增加比例会造成吸水率等硬性指标出现偏差。那么,如何在保证泥浆和成瓷性能不变的情况下,利用常规烧制的生产方式提高废瓷粉在泥浆中的用量,是目前需要解决的技术问题。
发明内容
本发明旨在解决上述技术问题,提供一种废瓷粉回收再利用方法,通过调整配方中其他原料的比例,将废瓷粉添加量提高到9%左右。
本发明解决其技术问题采用的技术方案是:
一种废瓷粉回收再利用方法,包括以下步骤:
(1)将废瓷破碎,颗粒直径不超过5mm;
(2)配制泥浆,泥浆干料包含以下组分:石英砂8%,泥长石11%,高岭土23%,叶腊石10%,绢云母13%,伊利石类黏土18%,黑泥8%,废瓷粉9%;采用湿法球磨研磨3-5小时,过350目筛,筛余小于6.0%,制成陶瓷生产用泥浆。
采用上述技术方案的本发明,与现有技术相比,其有益效果是:
通过合理调整泥浆配方中其他原料的比例,可以将废瓷粉添加量提高到9%,泥浆在测试过程中,能够保证成品吸水率符合国家标准,不会导致泥浆和成瓷的性能发生变化,保证产品品质;本发明的废瓷粉利用远超同行业现有水平,能够将工厂产生的废瓷完全回收再利用,降低生产成本和废弃物处理成本,提高经济效益与社会效益。
具体实施方式
以下结合实施例详述本发明。
本实施例所述的一种废瓷粉回收再利用方法,按以下步骤进行:
(1)将陶瓷生产过程中产生出的不良品(废瓷)进行破碎,颗粒直径不超过5mm,采用湿法球磨研磨3-5小时,过350目筛,筛余小于6.0%,制成废瓷粉。
(2)将废瓷粉掺入生产泥浆中,进行陶瓷生产,其中废瓷粉的掺杂量为生产泥浆质量的9% 。
按重量百分比计,上述掺加废瓷粉的生产泥浆,由以下组分组成:石英砂8%,泥长石11%,高岭土23%,叶腊石10%,绢云母13%,伊利石类黏土18%,黑泥8%,废瓷粉9%。
(3)按常规烧制方式生产掺杂废瓷粉泥浆的陶瓷制品。
本实施例中,掺加废瓷粉生产泥浆的主要物理性能如下:比重:1.774~1.800,V0:28~56”,干燥收缩:3.0~3.6%,全收缩:11.5~12.5%,烧成弯曲:25~36mm,吸水率<0.5%;
未掺加废瓷粉的生产泥浆配方一般由以下组分组成:石英砂10%,泥长石14%,高岭土26%,叶腊石10%,绢云母14%,伊利石类黏土18%,黑泥8%。
根据上述掺加废瓷粉制得的泥坯干燥后化学成分如下:SiO2 64.59%,Al2O323.67%,CaO 0.58%,MgO 0.56%,Fe2O3 1.25%,TiO2 0.33%,K2O 2.21%,Na2O 1.69%,IL5.12%。
原生产用陶瓷泥浆制得的泥坯干燥后化学成分如下:SiO2 64.68%,Al2O3 23.56%,CaO 0.52%,MgO 0.57%,Fe2O3 1.31%,TiO2 0.30%,K2O 2.35%,Na2O 1.55%,IL 5.16%。
废瓷粉掺加量的依据是废瓷粉属于瘠性类原料,根据其化学成分,可代替原配方中部分瘠性类原料石英砂、长石及塑性较低的高岭土。本实施例中9%的废瓷粉代替了2%石英砂、3%的泥长石、3%的高岭土和1%的绢云母。废瓷粉的掺加量控制在9%,既不影响生产泥浆的塑性,也能保证生产泥浆的化学成分。
与原生产泥浆相比,掺加废瓷粉后的生产泥浆化分数据和性能基本不变。通过产品试制试验,掺加废瓷粉后的生产泥浆干燥、烧成收缩性能与原生产泥浆一致,泥坯缺陷少,能够替换使用。
以上所述仅为本发明较佳可行的实施例而已,并非因此局限本发明的权利范围,凡运用本发明说明书内容所作的等效变,均包含于本发明的权利范围之内。

Claims (1)

1.一种废瓷粉回收再利用方法,其特征在于,包括以下步骤:
(1)将废瓷破碎,颗粒直径不超过5mm;
(2)配制泥浆,泥浆干料包含以下组分:石英砂8%,泥长石11%,高岭土23%,叶腊石10%,绢云母13%,伊利石类黏土18%,黑泥8%,废瓷粉9%;采用湿法球磨研磨3-5小时,过350目筛,筛余小于6.0%,制成陶瓷生产用泥浆。
CN202110221348.3A 2021-02-27 2021-02-27 一种废瓷粉回收再利用方法 Withdrawn CN112777999A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115159955A (zh) * 2022-08-01 2022-10-11 佛山东鹏洁具股份有限公司 一种高塑性高透水性的高压注浆泥浆及其制作方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115159955A (zh) * 2022-08-01 2022-10-11 佛山东鹏洁具股份有限公司 一种高塑性高透水性的高压注浆泥浆及其制作方法

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Application publication date: 20210511