CN104045332B - A kind of reuse method of solid waste - Google Patents
A kind of reuse method of solid waste Download PDFInfo
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- CN104045332B CN104045332B CN201410221929.7A CN201410221929A CN104045332B CN 104045332 B CN104045332 B CN 104045332B CN 201410221929 A CN201410221929 A CN 201410221929A CN 104045332 B CN104045332 B CN 104045332B
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Abstract
The reuse method of a kind of solid waste, the reuse method of described a kind of solid waste is passed through MnZn grinding material after process of simply sieving, and adds MgO, CuO, NiO, ZnO, Fe2O3��Bi2O3��CaCO3��SiO2Deng composition, by iron coating processing procedure, produce MgMnZn, NiMnZn or other high performance complex ferrite material, it is possible to be used for producing electromagnetism interference magnetics, inductor filter element etc. The reuse method of a kind of solid waste of the present invention, namely utilizing MnZn MnZn waste material is raw material, is designed by formula, process innovation, realize the closed cycle of " raw material �� product �� garbage �� raw material ", it is achieved the high value resource of manganese-zinc ferrite waste material.
Description
Technical field
The invention belongs to soft magnetic ferrite technical field, be specifically related to the reutilization technology of a kind of MnZn soft magnetism waste material.
Background technology
MnZn ferrite material is the critical function material of electronics and information industry and household electrical appliances industry etc., also very rapid in China's development, wide market. In the preparation process of MnZn material, produce the grinding scraps of 10%��20%: grinding material, be commonly called as " mill mud ". Producing 500000 tons of MnZn soft magnetic ferrites per year by China, stock removal, by 15% calculating, produces 7.5 ten thousand tons of grinding materials in 1 year. The re-using of MnZn grinding material has been studied by many scholars, its main method has two kinds: a kind of is adopt chemical method that MnZn grinding material leaching separation, roasting are gone out single zinc, iron and manganese oxides, this method cost is high, simultaneously also can to environment. Another MnZn material being used to produce low side, but added value of product is low, deficiency in economic performance.
The waste material produced in producing preparation and the course of processing for current domestic manganese-zinc ferrite industry does not deal with the present situation just directly abandoning or filling, the present invention is with these waste materials for raw material, through remove impurity of simply sieving, the element such as adding portion ferrum, zinc, copper again, by iron coating processes such as grinding, spray drying, molding, sintering, prepare high performance soft magnetic ferrite material.
Summary of the invention
The deficiency that the purpose of the present invention adopts high cost chemical treatment method or poor efficiency to utilize for existing MnZn grinding material, directly the mode of landfill is all difficult to obtain good benefit, there is provided a kind of with these waste materials for raw material, through remove impurity of simply sieving, pass through formula adjustment, the elements such as adding portion ferrum, zinc, copper, be ground again, spray drying, molding, the iron coating process such as sintering, prepare the reutilization technology of high performance soft magnetic ferrite material.
The technical scheme is that the reuse method of a kind of solid waste, according to MnZn ferrite main constituent, wherein MnZn power ferrite substantially ferrum oxide 70%, zinc oxide 8%, mangano-manganic oxide 22%;MnZn height leads ferrite substantially ferrum oxide 69%, zinc oxide 16%, mangano-manganic oxide 15%, and three big main content therein are all ferrum oxide, zinc oxide, mangano-manganic oxide, can re-use, it is possible to by adding MgO, CuO, NiO, ZnO, Fe2O3��Bi2O3��CaCO3��SiO2Deng composition, adjust and become MgMnZn, NiMnZn or other complex ferrite material.
The technology of the present invention is exactly by designing precise formulations and technological parameter on this basis, MnZn grinding material is re-used, adjusts and become the complex ferrite material with good electrical magnetic property.
The reuse method of described a kind of solid waste, technological process is as follows:
MnZn grinding material �� ball milling slurrying �� sieve �� dispensing (addition ferrum oxide, zinc oxide etc.) �� ball milling �� circulation sand milling �� mist projection granulating �� molding �� sintering
The reuse method of described a kind of solid waste, the MnZn grinding material after sieving with ball milling slurrying, nickel protoxide, zinc oxide, copper oxide, magnesium oxide, iron sesquioxide are main constituent, and bismuth oxide, calcium carbonate, silicon dioxide are that accessory ingredient carries out dispensing. Described main constituent is as follows in the weight percent content of respective reference material:
MnZn grinding material: 15��90%, Fe2O3: 0��40%, NiO:0��25%, ZnO:0��20%, CuO:0��10%, MgO:2��12%.
Relatively described main constituent, described accessory ingredient is as follows in the content of respective reference material:
Bi2O3: 0.05%��1wt%, CaCO3: 0.05%��0.3wt%, SiO2: 0.1%��1wt%.
A kind of reuse method of solid waste, including grinding material slurrying, sieve, dispensing, ball milling, circulation sand milling, spray drying, molding, sintering step, wherein:
(1) grinding material slurrying: in material: water=1: the ratio of 1 makes grinding material the slurry of dilution in ball mill dispersion.
(2) sieve: adopt 40 eye mesh screens to remove the impurity in grinding material slurry.
(3) dispensing: the grinding material solids in pulp amount according to formula and mensuration, adds other main constituent: nickel protoxide, zinc oxide, copper oxide, magnesium oxide, iron sesquioxide etc., or is simultaneously introduced the accessory ingredients such as bismuth oxide, calcium carbonate, silicon dioxide.
(4) ball milling: material mixing is uniform with ball mill.
(5) circulation sand milling: circulation sand milling 1��6 hour, slurry Task-size Controlling is at 0.9��1.5 ��m.
(6) spray drying: it is the PVA solution of 8% that wet ball grinding slip adds concentration, 15��25%, ball milling 20��30 minutes, carry out spray drying granulation, moisture Control is 0.1��0.35%.
(7) molding: take the granule between 40 order-120 orders after mist projection granulating, by 3.1g/cm3Green density is compressing.
(8) sintering: at resistance kiln air atmosphere sintering, the mode adopting gradient increased temperature was risen to 400 DEG C-450 DEG C by room temperature in 120 minutes, keep 400 DEG C of-450 DEG C of continuous heatings 120 minutes, then in 120��180 minutes, 750 DEG C are risen to by 400 DEG C-450 DEG C, 1150��1300 DEG C are risen to by 750 DEG C again, afterwards continuous heating 120��240 minutes, last furnace cooling in 90��120 minutes.
The invention have the benefit that a MnZn grinding material is after process of simply sieving, by adding MgO, CuO, NiO, ZnO, Fe2O3��Bi2O3��CaCO3��SiO2Deng composition, through iron coating processing procedure, produce MgMnZn, NiMnZn or other high performance complex ferrite material, it is possible to be used for producing electromagnetism interference magnetics, inductor filter element etc.The reuse method of a kind of solid waste of the present invention, namely utilizing MnZn MnZn waste material is raw material, is designed by formula, process innovation, realize the closed cycle of " raw material �� product �� garbage �� raw material ", it is achieved the high value resource of manganese-zinc ferrite waste material.
Figure of description
Fig. 1 is the sintering curre schematic diagram of the specific embodiment of the invention
Detailed description of the invention
By the sintering temperature curve shown in Fig. 1 of the present invention, it is embodied as the present invention, but the present invention is not limited to these embodiments.
(1) grinding material slurrying: in material: water=1: the ratio of 1 makes grinding material the slurry of dilution in ball mill dispersion.
(2) sieve: adopt 40 eye mesh screens to remove the impurity in grinding material slurry.
(3) dispensing: according to grinding material solids in pulp amount, proportioning by table 1 embodiment, add other main constituent: nickel protoxide, zinc oxide, copper oxide, magnesium oxide, iron sesquioxide etc., or be simultaneously introduced the accessory ingredients such as bismuth oxide, calcium carbonate, silicon dioxide.
(4) ball milling: material mixing is uniform with ball mill.
(5) circulation sand milling: circulation sand milling 1��6 hour, slurry Task-size Controlling is at 0.9��1.5 ��m.
(6) spray drying: it is the PVA solution of 8% that wet ball grinding slip adds concentration, 15��25%, ball milling 20��30 minutes, carry out spray drying granulation, moisture Control is 0.1��0.35%.
(7) molding: take the granule between 40 order-120 orders after mist projection granulating, by 3.1g/cm3Green density is compressing.
(8) sintering: at resistance kiln air atmosphere sintering, the mode adopting gradient increased temperature was risen to 400 DEG C by room temperature in 120 minutes, keep 400 DEG C of continuous heatings 120 minutes, then in 120 minutes, 750 DEG C are risen to by 400 DEG C, 1150 are risen to by 750 DEG C again, afterwards continuous heating 240 minutes, last furnace cooling in 90 minutes.
(9) magnet ring T25*15*7 after sintering is carried out electromagnetic performance test.
Table 1 embodiment composition proportion
Table 2 embodiment performance
| Project | Pcrmeability | Bs(25��) | Insulation resistance | Curie temperature |
| Unit | mT | MQ | �� | |
| Embodiment 1 | 1032 | 291 | > 500 | > 160 |
| Embodiment 2 | 615 | 343 | > 500 | > 180 |
| Embodiment 3 | 704 | 308 | > 500 | > 180 |
| Embodiment 4 | 1186 | 283 | > 500 | > 160 |
Table 2 lists embodiment performance, from Table 2, it can be seen that the present invention adopts the Ferrite Material that MnZn grinding material manufactures, it is possible to by different ratio, design the complex ferrite material of different pcrmeability, saturation induction intensity and Curie temperature requirement. Resulting materials is all good in performance indications such as pcrmeability, saturation induction density, insulation resistance, Curie temperature, fully meets the performance requirement of electromagnetism interference magnetics, inductance element etc.
Specific embodiment described in the invention is only the illustration that the present invention is done, described specific embodiment can be made amendment in various degree, supplements or substitute by similar mode by the expert of correlative technology field or technical staff, but without departing from the spirit of the present invention or surmount the scope that appended claims is defined.
Claims (4)
1. the reuse method of a solid waste: it is characterized in that the Ee with MnZn grinding material and addition2O3, in five kinds of oxides of NiO, ZnO, CuO, MgO partly or entirely for main constituent, Bi2O3��CaCO3��SiO2Oxide is accessory ingredient, mentioned component carries out dispensing by formula, carrying out sand milling, spray drying, molding again, once sintered form, prepare the reutilization technology of high performance soft magnetic ferrite material, described main constituent is as follows in the weight percent content of respective reference material:
MnZn grinding material: 15��90wt%, Fe2O3: 0��40wt%, NiO:0��25wt%, ZnO:0��20wt%, CuO:0��10wt%, MgO:2��12wt%
Relatively described main constituent, described accessory ingredient is as follows in the weight percent content of respective reference material:
Bi2O3: 0.05%��1wt%, CaCO3: 0.05%��0.3wt%, SiO2: 0.1%��1wt%.
2. the reuse method of a kind of solid waste according to claim 1, its feature includes adopting ball milling slurrying, technique of sieving to remove MnZn grinding material impurity technique.
3. the reuse method of a kind of solid waste according to claim 1, its feature includes sand milling disposed slurry Task-size Controlling at 0.9��1.5 ��m.
4. the reuse method of a kind of solid waste according to claim 1, its feature includes resistance kiln air atmosphere sintering, once sintered forms.
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107140967A (en) * | 2017-05-31 | 2017-09-08 | 湖州知维技术服务有限公司 | A kind of MgMnZn based ferrites and its preparation technology |
| CN107417268A (en) * | 2017-06-26 | 2017-12-01 | 重庆正峰电子有限公司 | Useless magnetic core prepares wireless charger ferrite magnetic sheet method |
| CN107216136A (en) * | 2017-06-26 | 2017-09-29 | 重庆正峰电子有限公司 | The method that soft magnetism waste material prepares wireless charger ferrite magnetic sheet |
| CN109133905A (en) * | 2017-12-27 | 2019-01-04 | 肇庆冠磁科技有限公司 | A kind of preparation method of high magnetic conductivity soft-magnetic ferrite |
| CN108395176A (en) * | 2018-04-11 | 2018-08-14 | 中南大学 | A kind of magnetic suction wave cement |
| CN109411178A (en) * | 2018-11-01 | 2019-03-01 | 沅陵辰州磁电高科有限公司 | Manganese magnesium zinc soft magnetic materials and preparation method thereof |
| CN109095914A (en) * | 2018-11-01 | 2018-12-28 | 沅陵辰州磁电高科有限公司 | Magnesium MnZn soft magnetic materials |
| CN109400144A (en) * | 2018-11-08 | 2019-03-01 | 安徽龙磁科技股份有限公司 | A method of high performance magnet is prepared with wet pressing permanent-magnet ferrite reclaimed materials |
| CN109912301A (en) * | 2019-04-19 | 2019-06-21 | 通城恒科科技有限公司 | It is a kind of to make ferritic method and ferrite using MnZn grinding waste mud |
| CN110590228A (en) * | 2019-08-05 | 2019-12-20 | 无锡斯贝尔磁性材料有限公司 | Method for producing low-loss and high-BS material by using MnZn ferrite magnetic core grinding machine mud |
| CN110526701B (en) * | 2019-10-12 | 2022-06-07 | 合肥工业大学 | Method for preparing electromagnetic wave absorbing material by recycling ferrite solid waste |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1750182A (en) * | 2004-09-13 | 2006-03-22 | 广东风华高新科技集团有限公司 | Nickel-zinc soft magnet ferrite material, inductor product and its producing method |
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| CN1750182A (en) * | 2004-09-13 | 2006-03-22 | 广东风华高新科技集团有限公司 | Nickel-zinc soft magnet ferrite material, inductor product and its producing method |
Non-Patent Citations (1)
| Title |
|---|
| 镍锌铁氧体材料的特性、工艺与添加改性;朱德如 等;《磁性材料及器件》;20111031;第42卷(第5期);第9~12页以及第42页 * |
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