CN109232004A - A kind of resistive connection skin wear-resistant castable - Google Patents

A kind of resistive connection skin wear-resistant castable Download PDF

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Publication number
CN109232004A
CN109232004A CN201811277012.3A CN201811277012A CN109232004A CN 109232004 A CN109232004 A CN 109232004A CN 201811277012 A CN201811277012 A CN 201811277012A CN 109232004 A CN109232004 A CN 109232004A
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CN
China
Prior art keywords
parts
reclaimed materials
resistive connection
connection skin
resistant castable
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.)
Pending
Application number
CN201811277012.3A
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Chinese (zh)
Inventor
朱国平
王立旺
李新明
朱其良
王琪
彭晶晶
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Jincheng New Material Ltd By Share Ltd
Original Assignee
Zhejiang Jincheng New Material Ltd By Share Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Jincheng New Material Ltd By Share Ltd filed Critical Zhejiang Jincheng New Material Ltd By Share Ltd
Priority to CN201811277012.3A priority Critical patent/CN109232004A/en
Publication of CN109232004A publication Critical patent/CN109232004A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/66Monolithic refractories or refractory mortars, including those whether or not containing clay
    • 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
    • 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • 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

Abstract

The present invention relates to a kind of resistive connection skin wear-resistant castables, including following each component and parts by weight: 16~22 parts of 8~5mm mullite, 18~33 parts of iron runner reclaimed materials, is not more than 3~6 parts of 200 mesh mullite powder, is not more than 6~10 parts of 200 mesh carborundum powder, is not more than 3~6 parts of 120 mesh kyanite, 6~10 parts of alumina powder, 5~8 parts of aluminous cement, 4~6 parts of silicon powder, 0.01~0.03 part of explosion-proof fiber, 0.01~0.03 part of water-reducing agent ceramic 18~30 parts of reclaimed materials.Resistive connection skin wear-resistant castable of the invention is using ceramic reclaimed materials that is from a wealth of sources, being easy to get and iron runner reclaimed materials as primary raw material; the vitreum glaze paint that material surface is formed at high temperature; make its molding casting material, clinker is not easy to stick, is not easy to form skinning in smooth surface.

Description

A kind of resistive connection skin wear-resistant castable
Technical field
The invention belongs to technical field of refractory materials, and in particular to a kind of resistive connection skin wear-resistant castable.
Background technique
The volatile components such as alkali, chlorine, sulphur interior iterative cycles that will do it volatilization and cohesion in kiln system in manufacture of cement, The Coating clogging that will lead to quality coal in cement kiln systems causes entire kiln system thermal regulation disorder.Skinning refers in raw meal powder and kiln gas Harmful constituent is formed by the nonwoven fabric from filaments for being adhered to kiln tail system inner wall.Different parts in pre-heating system, different temperatures and Other physicochemical environments cause a variety of different skinning features, most important if compaction rate is different, sintering degree is different It is to keep the chemical component of skinning different, it is also different that this allows for the processing complexity to skinning.Dry method production line The Coating clogging of precalcining system refers to that the wall of preheater or dore furnace is flowed through the powder that its air-flow carries in production process Shape material sticks, and constantly thicken, so as to cause entire kiln system thermal regulation disorder, material is not smooth, or even blocking, makes to give birth to Produce a kind of phenomenon for being difficult to maintain.
Current existing anti-skinning pouring material for cement kiln majority is made using high-voltage electricity porcelain, silicon carbide, alumine etc. For primary raw material, these prices of raw materials are higher, and to carry out source range small for image height piezoelectricity porcelain, is not easy to obtain.Iron runner reclaimed materials In containing the high-grade material such as Brown Alundum, silicon carbide, raw material sources are extensive, are highly suitable as the raw material of crusting resistant pouring material.Pottery Porcelain reclaimed materials is to prepare the waste product generated during building floor tile, sanitary ware etc., and contain certain Glaze Composition, is made Under the conditions of temperature, it is capable of forming highly viscous protective layer, ingredient in kiln is prevented further to penetrate into internal microstructure, So that liner is protected, also it is adapted to prepare crusting resistant pouring material.
Summary of the invention
Technical problem to be solved by the present invention lies in a kind of resistive connection skin wear-resistant castable is provided, use is from a wealth of sources, holds Facile ceramics reclaimed materials and iron runner reclaimed materials are as primary raw material, the vitreum glaze paint that material surface is formed at high temperature, Make its molding casting material, clinker is not easy to stick, is not easy to form skinning in smooth surface.
In order to solve the above technical problems, a kind of resistive connection skin wear-resistant castable provided by the invention, including following each component and Parts by weight:
Preferably, the ceramic reclaimed materials includes 5~3mm, 3~1mm, 1~0mm, tri- kinds of specifications, the weight of various specifications Part is as follows:
8~12 parts of 5~3mm ceramics reclaimed materials
4~8 parts of 3~1mm ceramics reclaimed materials
6~10 parts of 1~0mm ceramics reclaimed materials.
Preferably, SiO in the ceramic reclaimed materials2Mass percentage be not less than 62%, Al2O3Quality percentage contain Amount is not less than 23%.
Preferably, the iron runner reclaimed materials includes 5~3mm, 3~1mm, 1~0mm, tri- kinds of specifications, the weight of various specifications Part is as follows:
6~10 parts of 5~3mm iron runner reclaimed materials
4~8 parts of 3~1mm iron runner reclaimed materials
8~15 parts of 1~0mm iron runner reclaimed materials.
Preferably, Al in the iron runner reclaimed materials2O3Mass percentage be not less than 73%, SiC mass percentage Not less than 12%.
Preferably, the mullite includes 8~5mm, is not more than 200 mesh, two kinds of specifications, and the parts by weight of various specifications are as follows:
16~22 parts of 8~5mm mullite
No more than 3~6 parts of 200 mesh mullite powder.
Preferably, the water-reducing agent is Quadrafos.
The present invention is used as primary raw material using ceramic reclaimed materials and iron runner reclaimed materials, raw material sources are extensive, be easy to get, at This is low, and the resistive connection skin wear-resistant castable high volume stability of preparation is very good, wearability and corrosion resistance excellent, elevated temperature strength Greatly, compact structure, thermal coefficient is high, and linear expansion coefficient is small, and good thermal shock is not reacted with clinker, has good anti- Skinning, especially suitable for novel concrete dry method kiln preheater four, Pyatyi cylinder, dore furnace, kiln tail smoke-box, uptake flue and blanking The positions such as pipe.
Specific embodiment
Embodiment 1
A kind of resistive connection skin wear-resistant castable, preparation process are as follows: first adding ceramic reclaimed materials, iron runner reclaimed materials Work is at 5~3mm, 3~1mm, 1~0mm specification;Raw material used by next resistive connection skin wear-resistant castable and mass fraction are such as Under:
Wherein, SiO in the ceramic reclaimed materials2Mass percentage be not less than 62%, Al2O3Mass percentage Not less than 23%;Al in the iron runner reclaimed materials2O3Mass percentage not less than 73%, SiC mass percentage it is not small In 12%;The water-reducing agent is Quadrafos.It is uniform in stirrer for mixing after above-mentioned various raw materials are weighed well in proportion, system Obtain resistive connection skin wear-resistant castable.
Embodiment 2
A kind of resistive connection skin wear-resistant castable, preparation process are as follows: first adding ceramic reclaimed materials, iron runner reclaimed materials Work is at 5~3mm, 3~1mm, 1~0mm specification;Raw material used by next resistive connection skin wear-resistant castable and mass fraction are such as Under:
Wherein, SiO in the ceramic reclaimed materials2Mass percentage be not less than 62%, Al2O3Mass percentage Not less than 23%;Al in the iron runner reclaimed materials2O3Mass percentage not less than 73%, SiC mass percentage it is not small In 12%;The water-reducing agent is Quadrafos.It is uniform in stirrer for mixing after above-mentioned various raw materials are weighed well in proportion, system Obtain resistive connection skin wear-resistant castable.
Embodiment 3
A kind of resistive connection skin wear-resistant castable, preparation process are as follows: first adding ceramic reclaimed materials, iron runner reclaimed materials Work is at 5~3mm, 3~1mm, 1~0mm specification;Raw material used by next resistive connection skin wear-resistant castable and mass fraction are such as Under:
Wherein, SiO in the ceramic reclaimed materials2Mass percentage be not less than 62%, Al2O3Mass percentage Not less than 23%;Al in the iron runner reclaimed materials2O3Mass percentage not less than 73%, SiC mass percentage it is not small In 12%;The water-reducing agent is Quadrafos.It is uniform in stirrer for mixing after above-mentioned various raw materials are weighed well in proportion, system Obtain resistive connection skin wear-resistant castable.
Embodiment 4
A kind of resistive connection skin wear-resistant castable, preparation process are as follows: first adding ceramic reclaimed materials, iron runner reclaimed materials Work is at 5~3mm, 3~1mm, 1~0mm specification;Raw material used by next resistive connection skin wear-resistant castable and mass fraction are such as Under:
Wherein, SiO in the ceramic reclaimed materials2Mass percentage be not less than 62%, Al2O3Mass percentage Not less than 23%;Al in the iron runner reclaimed materials2O3Mass percentage not less than 73%, SiC mass percentage it is not small In 12%;The water-reducing agent is Quadrafos.It is uniform in stirrer for mixing after above-mentioned various raw materials are weighed well in proportion, system Obtain resistive connection skin wear-resistant castable.
Resistive connection skin wear-resistant castable performance prepared by above-described embodiment 1-4 is as follows:
1, chemical component (mass percentage): SiC >=25%;
2, bulk density (g/cm3): 110 DEG C × for 24 hours >=2.3;
3, strength at normal temperature (MPa): 110 DEG C × for 24 hours >=10,1100 DEG C × 3h >=11;
4, cold crushing strength (MPa): 110 DEG C × for 24 hours >=70,1100 DEG C × 3h >=85;
5, the permanent Linear change rate (%) of heating: 1100 DEG C × 3h-0.4~0.4.
To sum up, for the present invention using ceramic reclaimed materials and iron runner reclaimed materials as primary raw material, raw material sources are extensive, are easy It arrives, is at low cost, the resistive connection skin wear-resistant castable high volume stability of preparation is very good, wearability and corrosion resistance excellent, high temperature Intensity is big, compact structure, and thermal coefficient is high, and linear expansion coefficient is small, and good thermal shock is not reacted with clinker, has good Resistive connection skin, especially suitable for novel concrete dry method kiln preheater four, Pyatyi cylinder, dore furnace, kiln tail smoke-box, uptake flue and The positions such as feeder pipe.
Above description is exemplary and not limiting.By above description skilled person realizes that originally Many kinds of change and modification of invention, will also fall within the spirit and scope of the invention.

Claims (7)

1. a kind of resistive connection skin wear-resistant castable, which is characterized in that include following each component and parts by weight:
2. a kind of resistive connection skin wear-resistant castable according to claim 1, which is characterized in that the ceramics reclaimed materials includes 5 ~3mm, 3~1mm, 1~0mm, tri- kinds of specifications, the parts by weight of various specifications are as follows:
8~12 parts of 5~3mm ceramics reclaimed materials
4~8 parts of 3~1mm ceramics reclaimed materials
6~10 parts of 1~0mm ceramics reclaimed materials.
3. a kind of resistive connection skin wear-resistant castable according to claim 1 or 2, which is characterized in that in the ceramics reclaimed materials SiO2Mass percentage be not less than 62%, Al2O3Mass percentage be not less than 23%.
4. a kind of resistive connection skin wear-resistant castable according to claim 1, which is characterized in that the iron runner reclaimed materials includes 5 ~3mm, 3~1mm, 1~0mm, tri- kinds of specifications, the parts by weight of various specifications are as follows:
6~10 parts of 5~3mm iron runner reclaimed materials
4~8 parts of 3~1mm iron runner reclaimed materials
8~15 parts of 1~0mm iron runner reclaimed materials.
5. a kind of resistive connection skin wear-resistant castable according to claim 1 or 4, which is characterized in that in the iron runner reclaimed materials Al2O3Mass percentage not less than 73%, SiC mass percentage be not less than 12%.
6. a kind of resistive connection skin wear-resistant castable according to claim 1, which is characterized in that the mullite include 8~ 5mm, it is not more than 200 mesh, two kinds of specifications, the parts by weight of various specifications are as follows:
16~22 parts of 8~5mm mullite
No more than 3~6 parts of 200 mesh mullite powder.
7. a kind of resistive connection skin wear-resistant castable according to claim 1, which is characterized in that the water-reducing agent is polyphosphoric acid Salt.
CN201811277012.3A 2018-10-30 2018-10-30 A kind of resistive connection skin wear-resistant castable Pending CN109232004A (en)

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110331242A (en) * 2019-06-04 2019-10-15 甘肃酒钢集团宏兴钢铁股份有限公司 A method of addition ferrochrome slag prepares coverter pig slag retaining cone
CN110423129A (en) * 2019-08-27 2019-11-08 北京利尔高温材料股份有限公司 A kind of heating furnace partition wall hanger brick castable
CN112979326A (en) * 2021-01-29 2021-06-18 临沂中联水泥有限公司 Anti-skinning wear-resistant refractory material for preheater
CN113788692A (en) * 2021-10-12 2021-12-14 浙江锦诚新材料股份有限公司 Anti-skinning castable and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101580401A (en) * 2009-06-18 2009-11-18 安徽宁火新材料有限公司 High-strength wearable casting material
CN106045529A (en) * 2016-05-31 2016-10-26 中国冶集团有限公司 Iron runner castable containing 80% of waste refractories or above
CN107244929A (en) * 2017-05-18 2017-10-13 长兴盛隆耐火材料有限公司 A kind of crusting resistant pouring material and preparation method thereof
CN107434405A (en) * 2017-08-31 2017-12-05 云南濮耐昆钢高温材料有限公司 A kind of high-strength resistive connection skin silicon carbide castable using useless high alumina electrical porcelain production
CN108083829A (en) * 2018-02-06 2018-05-29 郑州市瑞沃耐火材料有限公司 A kind of high tenacity insulated pouring material

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101580401A (en) * 2009-06-18 2009-11-18 安徽宁火新材料有限公司 High-strength wearable casting material
CN106045529A (en) * 2016-05-31 2016-10-26 中国冶集团有限公司 Iron runner castable containing 80% of waste refractories or above
CN107244929A (en) * 2017-05-18 2017-10-13 长兴盛隆耐火材料有限公司 A kind of crusting resistant pouring material and preparation method thereof
CN107434405A (en) * 2017-08-31 2017-12-05 云南濮耐昆钢高温材料有限公司 A kind of high-strength resistive connection skin silicon carbide castable using useless high alumina electrical porcelain production
CN108083829A (en) * 2018-02-06 2018-05-29 郑州市瑞沃耐火材料有限公司 A kind of high tenacity insulated pouring material

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110331242A (en) * 2019-06-04 2019-10-15 甘肃酒钢集团宏兴钢铁股份有限公司 A method of addition ferrochrome slag prepares coverter pig slag retaining cone
CN110423129A (en) * 2019-08-27 2019-11-08 北京利尔高温材料股份有限公司 A kind of heating furnace partition wall hanger brick castable
CN112979326A (en) * 2021-01-29 2021-06-18 临沂中联水泥有限公司 Anti-skinning wear-resistant refractory material for preheater
CN113788692A (en) * 2021-10-12 2021-12-14 浙江锦诚新材料股份有限公司 Anti-skinning castable and preparation method thereof

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Application publication date: 20190118