WO2013174100A1 - 一种用于宽频抗电磁干扰的锰锌铁氧体材料及其制造方法 - Google Patents

一种用于宽频抗电磁干扰的锰锌铁氧体材料及其制造方法 Download PDF

Info

Publication number
WO2013174100A1
WO2013174100A1 PCT/CN2012/083781 CN2012083781W WO2013174100A1 WO 2013174100 A1 WO2013174100 A1 WO 2013174100A1 CN 2012083781 W CN2012083781 W CN 2012083781W WO 2013174100 A1 WO2013174100 A1 WO 2013174100A1
Authority
WO
WIPO (PCT)
Prior art keywords
granules
electromagnetic interference
oxide
broadband anti
slurry
Prior art date
Application number
PCT/CN2012/083781
Other languages
English (en)
French (fr)
Inventor
杨美华
Original Assignee
南通华兴磁性材料有限公司
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 南通华兴磁性材料有限公司 filed Critical 南通华兴磁性材料有限公司
Priority to KR1020137028169A priority Critical patent/KR101539411B1/ko
Publication of WO2013174100A1 publication Critical patent/WO2013174100A1/zh

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/34Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
    • 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
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26Shaped 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 ferrites
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00Compounds of iron
    • C01G49/0018Mixed oxides or hydroxides
    • C01G49/0072Mixed oxides or hydroxides containing manganese
    • 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
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605Treating the starting powders individually or as mixtures
    • C04B35/6261Milling
    • 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
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605Treating the starting powders individually or as mixtures
    • C04B35/62645Thermal treatment of powders or mixtures thereof other than sintering
    • C04B35/62655Drying, e.g. freeze-drying, spray-drying, microwave or supercritical drying
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/34Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
    • H01F1/342Oxides
    • H01F1/344Ferrites, e.g. having a cubic spinel structure (X2+O)(Y23+O3), e.g. magnetite Fe3O4
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/34Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
    • H01F1/36Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00Screening of apparatus or components against electric or magnetic fields
    • H05K9/0073Shielding materials
    • H05K9/0075Magnetic shielding materials
    • 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
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3208Calcium oxide or oxide-forming salts thereof, e.g. lime
    • 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
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3262Manganese oxides, manganates, rhenium oxides or oxide-forming salts thereof, e.g. MnO
    • 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
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3281Copper oxides, cuprates or oxide-forming salts thereof, e.g. CuO or Cu2O
    • 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
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3284Zinc oxides, zincates, cadmium oxides, cadmiates, mercury oxides, mercurates or oxide forming salts thereof
    • 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
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/72Products characterised by the absence or the low content of specific components, e.g. alkali metal free alumina ceramics
    • C04B2235/725Metal content

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Power Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Magnetic Ceramics (AREA)
  • Soft Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)

Abstract

本发明公开了一种用于宽频抗电磁干扰的锰锌铁氧体材料,它按摩尔百分比包括如下配方:三氧化二铁:42.05-46.05mol%,四氧化三锰:32.51-35.51mol%,氧化锌:18.55-20.35mol%,氧化铜:1.05-1.68mol%,氧化钙:0.25-0.45mol%。其制造方法包括:配料混合→造粒→预烧→粗粉碎→二次配料细磨→喷雾造粒→三次配料、检测包装。本发明有效地降低了软磁铁氧体抗干扰材料的制造成本;具有优良的宽频抗干扰特性——从低频到高频,集镍锌、镁锌材料特性之优点,可同时替代;不含镍、镉、钴等金属元素,不会对环境造成污染,比镍锌材料更环保。

Description

一种用于宽频抗电磁干扰的锰锌铁氧体材料及其制造方法
技术领域
本发明涉及一种抗干扰磁芯材料及其制造方法技术领域, 具体涉及一种用于 宽频抗电磁干扰的锰锌铁氧体材料及其制造方法。
背景技术
当今社会已步入电子信息时代, 信息高速公路、 卫星通信、 移动通信、 计算 机应用等的高速发展, 电子产品越来越趋向高速、 宽带、 高灵敏度、 高密集度和 小型化。 但是电磁干扰现象日益严重, 并成为影响系统正常工作的明显障碍, 甚 至对人身安全以及军事保密安全造成很大危害。
软磁铁氧体属于磁介质型吸波材料, 相应的抗电磁干扰磁芯相当于低通滤波 器, 能较好的解决电源线、 信号线和连接器的高频干扰抑制问题。 软磁铁氧体抗 干扰材料主要有镍锌铁氧体和锰锌铁氧体和镁锌铁氧体三种材料, 镍锌铁氧体材 料存在制造成本高, 主要原料氧化镍每吨在 20万元左右, 同时镍锌材料含有镍、 镉、 钴等金属元素, 会对环境造成污染。 相对来说, 锰锌材料价格比较低廉, 而 且不含上述对环境有污染的金属元素。
发明内容
发明目的: 本发明的目的是为了弥补现有技术的不足, 提供一种配方独特的 用于宽频抗电磁干扰的锰锌铁氧体材料。
本发明的另一目的是为了提供如上所述的一种用于宽频抗电磁干扰的锰锌铁 氧化材料的制造方法。
本发明采用的技术方案: 一种用于宽频抗电磁干扰的锰锌铁氧体材料, 它按 摩尔百分比包括如下配方:
三氧化二铁: 42· 05-46. 05mol%,
四氧化三锰: 32. 51-35. 51mol%,
氧化锌: 18. 55-20. 35mol%,
氧化铜: 1. 05- 1. 68mol%,
氧化钙: 0. 25-0. 45mol
如上所述的用于宽频抗电磁干扰的锰锌铁氧体材料的制造方法, 它包括如下 步骤:
( 1 ) 配料混合: 将原料三氧化二铁、 四氧化三锰、 氧化锌加入锥形混料器混 合均匀, 送入振磨机强混, 使混合振磨后料粉平均粒度为 1. 1-1. 3 μ πι;
( 2 ) 造粒: 将混合料粉送入造粒机料仓, 开启造粒机, 调整轧制压力至 8-l lmPa, 使轧制的料粉颗粒呈圆柱状; ( 3 )预烧: 回转窑高温区温度升至 900-920°C, 开启送料器以 0. 3m/min的进 料速度将粒料均匀地送入回转窑, 回转窑炉管转速设为 3-5转 /min, 颗粒料在回 转窑内螺旋式前行由红色转变为黑色通过冷却区温度降至 50-60 °C ;
( 4) 粗粉碎: 开启振磨机, 开启送料器将预烧好的颗粒送入振磨机, 送料速 度控制在 10_12kg/min;
( 5 )二次配料细磨: 将粗粉碎后的粉料送入砂磨机中加入纯水, 料水比为 1 : 0. 62, 加入氧化铜和氧化钙, 砂磨时间 60-90min, 粉料转变为料浆状态粉体粒径 控制在 1. 0-1. 25 μ m;将细磨后料浆注入料浆池,然后分别加入 PVA胶水、分散剂、 消泡剂, 搅拌 10-15min后备用;
( 6 ) 喷雾造粒: 开启压力泵将二次配料细磨后的料浆以 1. 9-2. 0mPa 的压力 沿喷枪管道进入旋流室, 在旋流室内, 料浆在涡旋片内高速旋转, 形成近似自由 涡流, 通过喷枪喷嘴喷出料浆, 在干燥塔内雾化, 料浆遇到热空气, 大部分水分 蒸发, 转变为颗粒;
( 7 ) 三次配料、 检测包装: 将喷雾造粒后的颗粒料加入硬脂酸锌, 送入混料 机混合 3_5min, 检测包装。
作为优选, 所述粗粉碎后粉粒的粒径控制在 1. 0-2. 5 μ m。
作为优选, 所述二次配料细磨中的料浆池内溶质质重设定为 4500kg, 然后分 别加入 10%PVA胶水 450 kg、 分散剂 1500ml、 消泡剂 1000ml。
作为优选,所述干燥塔的进口温度设为 300-350°C,出口温度设为 140-160°C。 作为优选, 所述喷雾造粒后的颗粒粒径为 60-200目, 峰值为 120目。
作为优选, 所述硬脂酸锌的添加量为 0. 2%。
有益效果: 本发明具有如下优点: 〔1〕 有效地降低了软磁铁氧体抗干扰材料 的制造成本, 通常镍锌铁氧体抗干扰材料每吨 35000元左右, 而锰锌铁氧体抗干 扰材料每吨仅为 15000元左右;
〔2〕 具有优良的宽频抗干扰特性, 从低频到高频, 集镍锌、 镁锌材料特性之 优点, 可同时替代。
〔3〕 不含镍、镉、钴等金属元素, 不会对环境造成污染, 比镍锌材料更环保。 具体实施方式
下面结合具体实施例对本发明作进一步说明:
实施例 1 :
一种用于宽频抗电磁干扰的锰锌铁氧体材料, 按摩尔百分比它的配方组成为: 三氧化二铁 42. 05mol%, 四氧化三锰 32. 51mol %, 氧化锌 20. 35mol%, 氧化铜 1. 68 mol%, 氧化钙 0. 41mol%。 它的制备工艺为:
(1) 配料混合: 将原料三氧化二铁、 四氧化三锰、 氧化锌加入锥形混料器混 合均匀, 送入振磨机强混, 使混合振磨后料粉平均粒度为 1.1 μπι;
(2)造粒: 将混合料粉送入造粒机料仓, 开启造粒机, 调整轧制压力至 8mPa, 使轧制的料粉颗粒呈圆柱状;
(3)预烧: 回转窑高温区温度升至 900°C, 开启送料器以 0.3m/min的进料速 度将粒料均匀地送入回转窑, 回转窑炉管转速设为 3转 /min, 颗粒料在回转窑内 螺旋式前行由红色转变为黑色通过冷却区温度降至 50°C;
(4) 粗粉碎: 开启振磨机, 开启送料器将预烧好的颗粒送入振磨机, 送料速 度控制在 10kg/min, 粉粒的粒径控制在 1.0 μ m。
(5)二次配料细磨: 将粗粉碎后的粉料送入砂磨机中加入纯水, 料水比为 1: 0.62, 加入氧化铜和氧化钙, 砂磨时间 60min, 粉料转变为料浆状态粉体粒径控制 在 l.O m; 将细磨后料浆注入料浆池, 设定料浆池内溶质质重为 4500kg, 然后分 别加入 10%PVA胶水 450 kg、 分散剂 1500ml、 消泡剂 1000ml, 搅拌 lOmin后备用;
(6) 喷雾造粒: 开启压力泵将二次配料细磨后的料浆以 1.9mPa 的压力沿喷 枪管道进入旋流室, 在旋流室内, 料浆在涡旋片内高速旋转, 形成近似自由涡流, 通过喷枪喷嘴喷出料浆, 在干燥塔内雾化, 料浆遇到热空气, 大部分水分蒸发, 转变为颗粒。 塔内进口温度控制为 300°C°C, 出口温度控制为 150°C, 颗粒料粒径 为 60目;
(7)三次配料、 检测包装: 将喷雾造粒后的颗粒料加入 0.2%的硬脂酸锌, 送 入混料机混合 3min, 检测包装。
实施例 2、 实施例 3:
一种用于宽频抗电磁干扰的锰锌铁氧体材料, 按摩尔百分比它的配方组成具 体见表 1:
表 1: 锰锌铁氧体材料配方组成
Figure imgf000004_0001
生产工艺流程与实施例 1基本相同, 具体工艺条件一一对应表 2: 表 2: 锰锌铁氧体材料的制造工艺
Figure imgf000005_0001
上述实施例中使用的分散剂为磁性材料专用分散剂, 型号 BWY-507,生产厂家 为浙江临安越洋助剂有限公司; 消泡剂为正辛醇, 含量大于等于 98. 0%, 生产厂家 为江苏宜兴市辉煌化学试剂厂。

Claims

权 利 要 求 书
1.一种用于宽频抗电磁干扰的锰锌铁氧体材料, 其特征在于: 它按摩尔百分 比包括如下配方:
三氧化二铁: 42· 05-46. 05mol%,
四氧化三锰: 32. 51-35. 51mol%,
氧化锌: 18. 55-20. 35mol%,
氧化铜: 1. 05- 1. 68mol%,
氧化钙: 0. 25-0. 45mol%o
2.—种如权利要求 1 所述的用于宽频抗电磁干扰的锰锌铁氧体材料的制造方 法, 其特征在于它包括如下步骤:
( 1 ) 配料混合: 将原料三氧化二铁、 四氧化三锰、 氧化锌加入锥形混料器混 合均匀, 送入振磨机强混, 使混合振磨后料粉平均粒度为 1. 1-1. 3 μ πι;
( 2 ) 造粒: 将混合料粉送入造粒机料仓, 开启造粒机, 调整轧制压力至 8-l lmPa, 使轧制的料粉颗粒呈圆柱状;
( 3 )预烧: 回转窑高温区温度升至 900-920°C, 开启送料器以 0. 3m/min的进 料速度将粒料均匀地送入回转窑, 回转窑炉管转速设为 3-5转 /min, 颗粒料在回 转窑内螺旋式前行由红色转变为黑色通过冷却区温度降至 50-60 °C ;
( 4) 粗粉碎: 开启振磨机, 开启送料器将预烧好的颗粒送入振磨机, 送料速 度控制在 10_12kg/min;
( 5 )二次配料细磨: 将粗粉碎后的粉料送入砂磨机中加入纯水, 料水比为 1 : 0. 62, 加入氧化铜和氧化钙, 砂磨时间 60_90min, 粉料转变为料浆状态粉体粒径 控制在 1. 0-1. 25 μ m;将细磨后料浆注入料浆池,然后分别加入 PVA胶水、分散剂、 消泡剂, 搅拌 10_15min后备用;
( 6 ) 喷雾造粒: 开启压力泵将二次配料细磨后的料浆以 1. 9-2. 0mPa 的压力 沿喷枪管道进入旋流室, 在旋流室内, 料浆在涡旋片内高速旋转, 形成近似自由 涡流, 通过喷枪喷嘴喷出料浆, 在干燥塔内雾化, 料浆遇到热空气, 大部分水分 蒸发, 转变为颗粒;
( 7 ) 三次配料、 检测包装: 将喷雾造粒后的颗粒料加入硬脂酸锌, 送入混料 机混合 3_5min, 检测包装。
3.根据权利要求 2所述的用于宽频抗电磁干扰的锰锌铁氧化材料的制造方法, 其特征在于: 所述粗粉碎后粉粒的粒径控制在 1. 0-2. 5 μ m。
4.根据权利要求 2所述的用于宽频抗电磁干扰的锰锌铁氧化材料的制造方法, 其特征在于: 所述二次配料细磨中的料浆池内溶质质重设定为 4500kg, 然后分别 加入 10%PVA胶水 450 kg、 分散剂 1500ml、 消泡剂 1000ml。
5.根据权利要求 2所述的用于宽频抗电磁干扰的锰锌铁氧体材料的制造方法, 其特征在于: 所述干燥塔的进口温度设为 300-350°C, 出口温度设为 140-160°C。
6.根据权利要求 2所述的用于宽频抗电磁干扰的锰锌铁氧体材料的制造方法, 其特征在于: 所述喷雾造粒后的颗粒粒径为 60-200目, 峰值为 120目。
7.根据权利要求 2所述的用于宽频抗电磁干扰的锰锌铁氧体材料的制造方法,
PCT/CN2012/083781 2012-05-25 2012-10-30 一种用于宽频抗电磁干扰的锰锌铁氧体材料及其制造方法 WO2013174100A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020137028169A KR101539411B1 (ko) 2012-05-25 2012-10-30 광대역 전자기간섭방지에 사용되는 망간-아연 페라이트 재료의 제조방법

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210164954.7 2012-05-25
CN2012101649547A CN102690112B (zh) 2012-05-25 2012-05-25 一种用于宽频抗电磁干扰的锰锌铁氧体材料及其制造方法

Publications (1)

Publication Number Publication Date
WO2013174100A1 true WO2013174100A1 (zh) 2013-11-28

Family

ID=46855870

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/083781 WO2013174100A1 (zh) 2012-05-25 2012-10-30 一种用于宽频抗电磁干扰的锰锌铁氧体材料及其制造方法

Country Status (3)

Country Link
KR (1) KR101539411B1 (zh)
CN (1) CN102690112B (zh)
WO (1) WO2013174100A1 (zh)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10388439B2 (en) 2016-10-05 2019-08-20 Hyundai Motor Company Ferrite magnetic substance and method of manufacturing the same
CN111302782A (zh) * 2020-03-27 2020-06-19 北京捷安通达科贸有限公司 用于机动式野战电子装备的物理信号隔离防范装置
CN112456997A (zh) * 2020-12-11 2021-03-09 江门安磁电子有限公司 一种铁氧体颗粒粉料水分的管控方法
CN112594310A (zh) * 2020-12-29 2021-04-02 山东金力新材料科技股份有限公司 一种刹车片用陶瓷合金复合耐磨材料的制备方法
CN112707724A (zh) * 2020-12-29 2021-04-27 日照亿鑫电子材料有限公司 一种高磁导率锰锌铁氧体磁性材料及其制备方法

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102690112B (zh) * 2012-05-25 2013-09-18 南通华兴磁性材料有限公司 一种用于宽频抗电磁干扰的锰锌铁氧体材料及其制造方法
CN104064309A (zh) * 2013-03-22 2014-09-24 上海美星电子有限公司 用于大功率led和llc变换器的磁性材料及其制备方法
CN106187214B (zh) * 2016-07-18 2019-01-01 上海华源磁业股份有限公司 一种铁氧体防气泡的制备工艺
CN106380896B (zh) * 2016-08-31 2018-05-15 西北大学 一种涡旋磁纳米环溶胶的制备方法
CN108539941B (zh) * 2018-05-23 2022-12-20 安徽机电职业技术学院 一种磁力变速永磁电机的隔磁环的制备方法
CN112374879B (zh) * 2020-11-12 2022-12-23 南通三优佳磁业有限公司 一种抗电磁干扰锰锌铁氧体材料制备方法
CN113979755A (zh) * 2021-11-04 2022-01-28 无锡斯贝尔磁性材料有限公司 MnZn铁氧体粉料提高粉料松装比的工艺管控方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1521770A (zh) * 2003-02-12 2004-08-18 ������������ʽ���� Fe2O3含量低于50摩尔%的Mn-Zn铁氧体
JP2005179092A (ja) * 2003-12-17 2005-07-07 Jfe Steel Kk Mn−Co−Zn系フェライト
CN101388269A (zh) * 2008-07-11 2009-03-18 临沂中瑞电子有限公司 一种高磁导率高饱和磁通密度高居里温度锰锌铁氧体材料
CN101404197A (zh) * 2008-07-14 2009-04-08 广东风华高新科技股份有限公司 一种锰锌软磁铁氧体材料及所得磁芯的制备方法
CN101412624A (zh) * 2007-10-19 2009-04-22 Tdk株式会社 电波吸收体
CN101857426A (zh) * 2009-04-08 2010-10-13 广东江粉磁材股份有限公司 一种宽频高阻抗MnZn铁氧体材料及其制造方法
CN102690112A (zh) * 2012-05-25 2012-09-26 南通华兴磁性材料有限公司 一种用于宽频抗电磁干扰的锰锌铁氧体材料及其制造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101429017B (zh) * 2008-12-06 2011-12-28 广东风华高新科技股份有限公司 一种网络通讯用铁氧体磁芯及其制备方法
CN101552074A (zh) * 2009-01-04 2009-10-07 贵阳晶华电子材料有限公司 一种NiZnCu铁氧体材料及其制备方法
CN101844914B (zh) * 2010-05-11 2013-02-13 武汉吉磁电子科技有限责任公司 一种磁铅石型永磁铁氧体及其制造方法
CN102311261B (zh) * 2011-08-09 2013-05-15 临沂中瑞电子有限公司 一种低频无极灯用铁氧体材料

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1521770A (zh) * 2003-02-12 2004-08-18 ������������ʽ���� Fe2O3含量低于50摩尔%的Mn-Zn铁氧体
JP2005179092A (ja) * 2003-12-17 2005-07-07 Jfe Steel Kk Mn−Co−Zn系フェライト
CN101412624A (zh) * 2007-10-19 2009-04-22 Tdk株式会社 电波吸收体
CN101388269A (zh) * 2008-07-11 2009-03-18 临沂中瑞电子有限公司 一种高磁导率高饱和磁通密度高居里温度锰锌铁氧体材料
CN101404197A (zh) * 2008-07-14 2009-04-08 广东风华高新科技股份有限公司 一种锰锌软磁铁氧体材料及所得磁芯的制备方法
CN101857426A (zh) * 2009-04-08 2010-10-13 广东江粉磁材股份有限公司 一种宽频高阻抗MnZn铁氧体材料及其制造方法
CN102690112A (zh) * 2012-05-25 2012-09-26 南通华兴磁性材料有限公司 一种用于宽频抗电磁干扰的锰锌铁氧体材料及其制造方法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"TEACHING MATERIALS WRITING GROUP OF PROFESSIONAL TECHNIQUES OF ELECTRONIC COMPOMENTS, PROCESS OF FERRITE", PUBLISHING HOUSE OF ELECTRONICS INDUSTRY, October 1990 (1990-10-01), pages 52 - 80 *
LIN, QIREN: "Process Principle of Ferrite", SHANGHAI SCIENTIFIC & TECHNICAL PUBLISHERS, April 1987 (1987-04-01), pages 6 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10388439B2 (en) 2016-10-05 2019-08-20 Hyundai Motor Company Ferrite magnetic substance and method of manufacturing the same
CN111302782A (zh) * 2020-03-27 2020-06-19 北京捷安通达科贸有限公司 用于机动式野战电子装备的物理信号隔离防范装置
CN111302782B (zh) * 2020-03-27 2024-05-07 北京捷安通达科技有限公司 用于机动式野战电子装备的物理信号隔离防范装置
CN112456997A (zh) * 2020-12-11 2021-03-09 江门安磁电子有限公司 一种铁氧体颗粒粉料水分的管控方法
CN112594310A (zh) * 2020-12-29 2021-04-02 山东金力新材料科技股份有限公司 一种刹车片用陶瓷合金复合耐磨材料的制备方法
CN112707724A (zh) * 2020-12-29 2021-04-27 日照亿鑫电子材料有限公司 一种高磁导率锰锌铁氧体磁性材料及其制备方法

Also Published As

Publication number Publication date
KR101539411B1 (ko) 2015-07-24
CN102690112A (zh) 2012-09-26
KR20140002778A (ko) 2014-01-08
CN102690112B (zh) 2013-09-18

Similar Documents

Publication Publication Date Title
WO2013174100A1 (zh) 一种用于宽频抗电磁干扰的锰锌铁氧体材料及其制造方法
JP7068703B2 (ja) フェライト粒子、樹脂組成物及び電磁波シールド材料
CN102531559B (zh) 一种高性能锰锌铁氧体料粉的制造方法
CN105097168A (zh) 一种添加稀土元素的磁芯材料
JP4806798B2 (ja) ボンド磁石用フェライト磁性粉およびその製造方法、並びにボンド磁石
CN110577400A (zh) 高磁导率锰锌铁氧体的制备方法
JP4820312B2 (ja) ボンド磁石用フェライト磁性粉およびその製造方法、並びにボンド磁石
CN102850046B (zh) 一种MgZn铁氧体产品制备方法
CN1889204A (zh) 一种软磁锰锌铁氧体材料及其制备方法
CN103664156A (zh) 一种锰锌铁氧体料粉制备方法
CN101996724A (zh) 一种软磁锰锌铁氧体材料及其制备方法
CN105097172A (zh) 一种低磁损耗铁氧体磁芯材料
CN111039669A (zh) 高强度抗变形锰锌铁氧体及其制备方法
CN105070454A (zh) 一种高机械强度铁氧体磁芯材料
CN104557004B (zh) MnZn铁氧体材料的制备方法
JP2010184840A (ja) 磁性粉末と磁性焼結体および製造方法
CN109111220A (zh) 一种高松装密度镁锌软磁铁氧体粉料制备方法
CN105070451A (zh) 一种复合导磁材料磁芯
CN102044320A (zh) 一种超高磁导率的软磁锰锌铁氧体材料及其制备方法
CN103426581A (zh) 一种锰锌软磁铁氧体材料kp6b及其制备方法
JP3812831B2 (ja) フェライトコアの製造方法およびフェライトコア
JP2012082083A (ja) 六方晶フェライト材料の製造方法
CN101996725A (zh) 一种可降低发热量的软磁锰锌铁氧体材料及其制备方法
CN105070479A (zh) 一种高磁导率变压器用磁芯材料
CN103426582A (zh) 一种锰锌软磁铁氧体材料kp4d及其制备方法

Legal Events

Date Code Title Description
ENP Entry into the national phase

Ref document number: 20137028169

Country of ref document: KR

Kind code of ref document: A

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12877296

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12877296

Country of ref document: EP

Kind code of ref document: A1