CN106242603A - A kind of sintering supporting body and preparation method thereof - Google Patents

A kind of sintering supporting body and preparation method thereof Download PDF

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Publication number
CN106242603A
CN106242603A CN201610701985.XA CN201610701985A CN106242603A CN 106242603 A CN106242603 A CN 106242603A CN 201610701985 A CN201610701985 A CN 201610701985A CN 106242603 A CN106242603 A CN 106242603A
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parts
supporting body
sintering
mullite
lifepo4
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CN106242603B (en
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刘思连
胡世勇
刘宇超
刘金远
雷志鹤
李建明
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Jiangxi Province Anyuan Industrial Ceramic Co Ltd
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Jiangxi Province Anyuan Industrial Ceramic Co Ltd
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
    • 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
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/14—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silica
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    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
    • C—CHEMISTRY; METALLURGY
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3201—Alkali metal oxides or oxide-forming salts thereof
    • C04B2235/3203—Lithium oxide or oxide-forming salts thereof
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3262—Manganese oxides, manganates, rhenium oxides or oxide-forming salts thereof, e.g. MnO
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3275—Cobalt oxides, cobaltates or cobaltites or oxide forming salts thereof, e.g. bismuth cobaltate, zinc cobaltite
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3427—Silicates other than clay, e.g. water glass
    • C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3427—Silicates other than clay, e.g. water glass
    • C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
    • C04B2235/3481—Alkaline earth metal alumino-silicates other than clay, e.g. cordierite, beryl, micas such as margarite, plagioclase feldspars such as anorthite, zeolites such as chabazite
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/40—Metallic constituents or additives not added as binding phase
    • C04B2235/402—Aluminium
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
    • C04B2235/447—Phosphates or phosphites, e.g. orthophosphate, hypophosphite

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

A kind of sintering supporting body, it is processed by mullite, aluminium powder, activated alumina, Kaolin, quartz, cordierite, magnesium oxychloride, Pulvis Talci, dextrin, LiMn2O4, LiFePO4, cobalt acid lithium, Micropore Agent；It is characterized in that: by middle composition by weight, mullite 10 25 parts, aluminium powder 15 30 parts, Kaolin 5 15 parts, cordierite 15 20 parts, magnesium oxychloride 38 parts, Pulvis Talci 3 10 parts, activated alumina 28 parts, 30 50 parts of quartz, 6 12 parts of dextrin, LiMn2O4 25 parts, LiFePO4 25 parts, cobalt acid lithium 38 parts, Micropore Agent 10 15 parts；Advantage is that (1) processing technique is simple, and raw material is easy to get, and service life is long, uses the number of occurrence up to more than 50 times；(2) thermal shock resistance is strong, does not interferes with sintering and holds burning thing chemical reaction in sintering process and crystallization restructuring；(3) corrosion resistance is strong；(4) Environmental Safety；(5) intensity is big, and the most broken and powder drops, and can be widely used in sintering and make supporting body.

Description

A kind of sintering supporting body and preparation method thereof
Technical field
The present invention relates to a kind of refractory material, be specifically related to supporting body and the making side thereof of a kind of sintering in calcining Method.
Background technology
The product that current new material is made is numerous, its application the most widely, as be used for manufacturing mobile phone, computer with And battery product and the some of build-up member used by automobile will burn till through calcine technology.And existing sintering supporting body is Saggar, its processing dispensing is that general refractory material is made, and it is disadvantageous in that intensity is low, uses 3-4 time and will crush, and When carrying sintering, bowl powder is scattered, and reacts with holding burning produce life, has a strong impact on and holds the quality burning thing, then is porosity Low, bowl weight, holds burning thing and is heated uneven, thus fit the requirement of have more than is needed current high-tech product, so, by us for many years The research come, develops a kind of energy and is suitable for and makes in new material Product Process the supporting body making sintering, make sintering supporting body with Hold burning thing mutually to set off in calcination process, improve and hold the quality burning thing.
Summary of the invention
It is an object of the invention to overcome the deficiency of existing supporting body saggar, it is provided that one can be used for making new material product work Supporting body of sintering and preparation method thereof in skill.
The technical solution used in the present invention is: described supporting body is by mullite, aluminium powder, activated alumina, Kaolin, stone English, cordierite, magnesium oxychloride, Pulvis Talci, dextrin, LiMn2O4, LiFePO4, cobalt acid lithium, Micropore Agent process.Its feature exists In: component by weight, mullite 10-25 part, aluminium powder 15-30 part, Kaolin 5-15 part, cordierite 15-20 part, magnesium oxychloride 3-8 Part, Pulvis Talci 3-10 part, activated alumina 2-8 part, quartz 30-50 part, dextrin 6-12 part, LiMn2O4 2-5 part, LiFePO4 2- 5 parts, cobalt acid lithium 3-8 part, Micropore Agent 10-15 part carries out assembling processing.
Mullite of the present invention refers to aluminum content more than 60% mullite, and aluminium powder refers to that aluminum content is more than 70%.
Mullite that the present invention uses, aluminium powder, Kaolin, quartz, cordierite be through except the finished market product after ferrum former Material is provided as skeleton raw material.
The magnesium oxychloride of the present invention, talcous raw material are as lubrication dispersing agent.
The dextrin raw material of the present invention is the kneading agent as mud refining.
The LiMn2O4 of the present invention, LiFePO4, cobalt acid lithium are as stabilizer, and it can hinder holds burning thing with supporting body at height Sintering reaction (chemical reaction) is there is not under temperature.
The activated alumina of the present invention is to make processing supporting body make LiMn2O4, LiFePO4, cobalt acid lithium when calcining finished product In the calcining of high temperature 1300-1400 degree, play catalytic action with mullite, aluminium powder, Kaolin, quartz, cordierite, promote bowl Form porcelain complexation body, thus it is big to enhance the sintering chemical stability of supporting body and corrosion resistance, intensity, will not produce powder And broken, increase the service life of bowl.
The Micropore Agent of the present invention refers to the wood flour of more than 100 mesh or flyash or activated carbon, and they are in bowl manufacturing process Form micropore after middle sintering, thus alleviate the weight of bowl making and hold burning thing and be heated evenly, improve and hold the product matter burning thing Amount.
The supporting body of the present invention refers to be calcined for carrying the saggar of article in kiln is calcined.
The present invention is made up of following process method step:
The first step, by raw material component by weight, mullite 10-25 part, aluminium powder 15-30 part, Kaolin 5-15 part, cordierite 15- 20 parts, magnesium oxychloride 3-8 part, Pulvis Talci 3-10 part, activated alumina 2-8 part, quartz 30-50 part, dextrin 6-12 part, LiMn2O4 2- 5 parts, LiFePO4 2-5 part, cobalt acid lithium 3-8 part, Micropore Agent 10-15 part prepares, and is ground into more than 100 mesh after mixing Powder；
Second step, it is transported to powder in blender be stirred, is simultaneously introduced suitable quantity of water stirring；
3rd step, the raw material walk Polypropylence Sheet after stirring is wrapped, carry out old, carry out very after more than 24 hours old Pneumatics sheet, then by slice through mould pressed compact molding；
4th step, the base substrate pressed is dried after calcine at 1300-1400 degree, be i.e. used as after being down to natural temperature New material Product Process is made sintering supporting body use.
It is an advantage of the current invention that (1) processing technique is simple, raw material is easy to get, and service life is long, and the use number of occurrence can Reach more than 50 times；(2) thermal shock resistance is strong, does not interferes with sintering and holds burning thing chemical reaction in sintering process and crystallization restructuring； (3) corrosion resistance is strong；(4) Environmental Safety；(5) intensity is big, and the most broken and powder drops.
Specific embodiment
Concrete manufacturing process: as a example by the sintering supporting body that lithium battery sinter makes
The first step, by raw material component by weight, mullite 20 parts, aluminium powder 25 parts, Kaolin 12 parts, cordierite 18 parts, magnesium oxychloride 6 Part, Pulvis Talci 5 parts, activated alumina 6 parts, quartz 40 parts, 10 parts of dextrin, LiMn2O4 4 parts, LiFePO4 3 parts, cobalt acid lithium 6 parts, Micropore Agent 12 parts prepares, and is ground into the powder of more than 100 mesh after mixing；
Second step, it is transported to powder in blender be stirred 30 minutes, is simultaneously introduced suitable quantity of water stirring；
3rd step, the raw material walk Polypropylence Sheet after stirring is wrapped, carry out old, carry out very after more than 24 hours old Pneumatics sheet, then by slice through mould pressed compact molding；
4th step, the base pressed is dried after calcine at 1300-1400 degree, be down to i.e. to be used as after natural temperature new Material product technique is made sintering supporting body use.

Claims (3)

1. a sintering supporting body, described sintering supporting body is by mullite, aluminium powder, activated alumina, Kaolin, quartz, violet green grass or young crops Stone, magnesium oxychloride, Pulvis Talci, dextrin, LiMn2O4, LiFePO4 and cobalt acid lithium process, it is characterised in that: described sintering carrying Body component by weight, mullite 10-25 part, aluminium powder 15-30 part, Kaolin 5-15 part, cordierite 15-20 part, magnesium oxychloride 3-8 Part, Pulvis Talci 3-10 part, activated alumina 2-8 part, quartz 30-50 part, dextrin 6-12 part, LiMn2O4 2-5 part, LiFePO4 2- 5 parts, cobalt acid lithium 3-8 part, Micropore Agent 10-15 part.
A kind of sintering supporting body the most according to claim 1, it is characterised in that the aluminum content more than 60% of mullite, aluminium powder Aluminum content more than 70%.
A kind of processing method sintering supporting body the most according to claim 1, it is characterised in that described processing method includes Following steps:
The first step, by raw material component by weight, mullite 10-25 part, aluminium powder 15-30 part, Kaolin 5-15 part, cordierite 15- 20 parts, magnesium oxychloride 3-8 part, Pulvis Talci 3-10 part, activated alumina 2-8 part, quartz 30-50 part, dextrin 6-12 part, LiMn2O4 2- 5 parts, LiFePO4 2-5 part, cobalt acid lithium 3-8 part, Micropore Agent 10-15 part prepares, and is ground into more than 100 mesh after mixing Powder；
Second step, it is transported to powder in blender be stirred, is simultaneously introduced suitable quantity of water stirring；
3rd step, the raw material walk Polypropylence Sheet after stirring is wrapped, carry out old, carry out very after more than 24 hours old Pneumatics sheet, then by slice through mould pressed compact molding；
4th step, the base pressed is dried after calcine at 1300-1400 degree, be down to i.e. to be used as after natural temperature new Material product technique is made sintering supporting body use.
CN201610701985.XA 2016-08-23 2016-08-23 A kind of sintering supporting body and preparation method thereof Active CN106242603B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107382297A (en) * 2017-07-17 2017-11-24 衡东县东康瓷业有限公司 It is a kind of to be used to produce saggar of ceramics and preparation method thereof
CN107382298A (en) * 2017-07-19 2017-11-24 宜兴市锦泰耐火材料有限公司 Battery material roasting saggar and preparation method thereof
CN107634200A (en) * 2017-09-08 2018-01-26 绵阳梨坪科技有限公司 A kind of inorganic dispersant is used for the method for preparing lithium iron phosphate cell material
CN109467422A (en) * 2018-04-20 2019-03-15 湖南德景源科技有限公司 Dedicated high circulation special cermacis crucible of a kind of lithium electricity and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120135848A1 (en) * 2010-11-30 2012-05-31 George Halsey Beall Fusion formed and ion exchanged glass-ceramics
CN103664153A (en) * 2013-12-11 2014-03-26 长兴宏业高科高温耐火材料有限公司 High temperature creep resistant mullite-cordierite product and preparation method thereof
CN105669223A (en) * 2016-01-08 2016-06-15 浙江长兴久鑫耐火材料有限公司 Sagger
CN105698542A (en) * 2016-03-21 2016-06-22 武汉理工大学 Lithium battery high-temperature corrosion resistance laminar saggar and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120135848A1 (en) * 2010-11-30 2012-05-31 George Halsey Beall Fusion formed and ion exchanged glass-ceramics
CN103664153A (en) * 2013-12-11 2014-03-26 长兴宏业高科高温耐火材料有限公司 High temperature creep resistant mullite-cordierite product and preparation method thereof
CN105669223A (en) * 2016-01-08 2016-06-15 浙江长兴久鑫耐火材料有限公司 Sagger
CN105698542A (en) * 2016-03-21 2016-06-22 武汉理工大学 Lithium battery high-temperature corrosion resistance laminar saggar and preparation method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107382297A (en) * 2017-07-17 2017-11-24 衡东县东康瓷业有限公司 It is a kind of to be used to produce saggar of ceramics and preparation method thereof
CN107382298A (en) * 2017-07-19 2017-11-24 宜兴市锦泰耐火材料有限公司 Battery material roasting saggar and preparation method thereof
CN107634200A (en) * 2017-09-08 2018-01-26 绵阳梨坪科技有限公司 A kind of inorganic dispersant is used for the method for preparing lithium iron phosphate cell material
CN109467422A (en) * 2018-04-20 2019-03-15 湖南德景源科技有限公司 Dedicated high circulation special cermacis crucible of a kind of lithium electricity and preparation method thereof

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