CN103979946A - Preparation method for recovering and reutilizing soft magnetic ferrite waste material - Google Patents
Preparation method for recovering and reutilizing soft magnetic ferrite waste material Download PDFInfo
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- CN103979946A CN103979946A CN201410167057.0A CN201410167057A CN103979946A CN 103979946 A CN103979946 A CN 103979946A CN 201410167057 A CN201410167057 A CN 201410167057A CN 103979946 A CN103979946 A CN 103979946A
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Abstract
The invention provides a preparation method for recovering and reutilizing a soft magnetic ferrite waste material, which comprises the following steps: weighting a mixture of 55-100wt% of soft magnetic ferrite particles with same grade and 5-30wt% of soft magnetic ferrite waste material with same grade and 5-15wt% of soft magnetic ferrite waste blank material according to percentage; then continuously crushing, finally obtaining the particles with average size of 0.9-3mum, simultaneously, adding a nano modifier with 0.08-0.16wt% of the total amount of the mixture; placing the mixture in a spray tower for spraying and granulating; then adding the particles in a press grinding apparatus for compacting, and finally placing blank magnetic core in a pushed slab kiln for sintering, wherein the sintering temperature is 1200-1400 DEG C and the sintering time is 20-40 hours. The MnZn power ferrite prepared by recovering and utilizing the waste material is used, the performance of the MnZn power ferrite is equal to the performance of the ferrite with same grade, waste can be changed into valuables, and the preparation method has the advantages of no environmental pollution, simple technology and easy operation.
Description
Technical field
The present invention relates to a kind of preparation method of soft magnetic ferrite waste material, relate in particular to the preparation method that a kind of soft magnetism MnZn power ferrite waste recycling utilizes.
Background technology
Soft magnetic materials is an important member in magneticsubstance family, and soft magnetic ferrite occupies an important position in soft magnetic materials family.Soft magnetic ferrite has irreplaceable effect in electronics and information industry, is most basic functional materials.Magnetic ferrite magnetic core is applied very extensive in each electronic product, spreads all over the every field of scientific research and national economy.
At present, when the soft magnetic ferrite annual production rapid growth of China, because the technology of each enterprise is all different from equipment, in the course of processing, approximately produce 5 ~ 25% dead meal.For the Ferrite Material of dead meal, most companies will leave concentratedly, and so both land occupation, contaminate environment cause again the serious waste of resource.Therefore, invent the technology that a kind of soft magnetic ferrite waste recycling utilizes, realize soft magnetic ferrite waste resource recovery, to improving resource utilization and the industrial economy benefit of magnetic industry, there is Great significance.
And Chinese patent application (CN02137639.5), (CN200510033612.1), (CN200610022471.8), (CN200910133729.5), (CN201110260074.5), (CN201110385076.7) etc. are mainly by selecting main formula composition, additive design and combination to reduce the ferritic loss of MnZn, but to feed back, recycling does not study in great detail.
Summary of the invention
The present invention is directed to prior art and can not utilize existing problem to soft magnetic ferrite waste recycling, the preparation method who provides a kind of soft magnetic ferrite waste recycling to utilize, the MnZn power ferrite obtaining after the method preparation, its performance and conventional products are suitable.
The object of the invention is to be implemented by the following technical programs: a kind of recoverying and utilizing method of soft magnetic ferrite waste material, the method is made up of following steps:
A, batching stage: this stage is for taking by weight percentage soft magnetic ferrite particles material 55 ~ 100wt% and the compound of discarding blank 5 ~ 15wt% with the discarded feed back 5 ~ 30wt% of trade mark soft magnetic ferrite and soft magnetic ferrite;
B, modification stage: the compound of a step gained is carried out continuous crushing by this stage, finally reaching average grain is 0.9 ~ 3 μ m, meanwhile, adds 0.08 ~ 0.16wt% nano modifier of amount of the mixture; Gained batch mixing is placed in to spray tower and carries out mist projection granulating;
C, sintering stage: this stage adds b step gained composite grain material in press grinding tool and suppresses, and finally blank magnetic core is placed in to pushed bat kiln and carries out sintering, and sintering temperature is 1200 ~ 1400 DEG C, and sintering time is 20 ~ 40h.
As preferably, the soft magnetic ferrite dead meal described in step a comprises: the discarded feed back of mist projection granulating, moulding press are processed the material that burns till of bad order after the waste wool blank that stays and sintering.
As preferably, the nano modifier described in step b is SiO
2, CaO, V
2o
5, Bi
2o
3, MoO
3, TiO
2, SnO
2, Co
2o
3, Nb
2o
5, ZrO
2, Ta
2o
5in a kind of or their mixture.
Further, this soft magnetic ferrite has μ i>=2400, Pcv≤380mw/cm
3.
Further, the density>=4.90g/cm of this soft magnetic ferrite
3.
Can apply soft magnetic ferrite waste material of the present invention comprises mainly by Fe
2o
3, MnO, ZnO composition power ferrite.These ferrites also can contain other principal constituent, as NiO, Li
2o, MgO and CuO.These ferrites can also contain SiO
2, CaO, V
2o
5, Bi
2o
3, MoO
3, TiO
2, SnO
2, Co
2o
3, Nb
2o
5, ZrO
2, Ta
2o
5deng other trace mineral supplement composition.
The inventor finds; take same trade mark soft magnetic ferrite particles material and the compound of discarding blank with the discarded feed back of trade mark soft magnetic ferrite and soft magnetic ferrite by certain percentage; mix a certain amount of nanometer activator simultaneously; carry out spraying after continuous crushing; the recycling technology of developing low-power dissipation soft magnetic ferrite, its Performance Ratio is suitable with trade mark performance, greatly reduces production costs; save resource, be conducive to protection of the environment.
Therefore the preparation method of soft magnetic ferrite waste recovery recycling of the present invention compared with prior art has the following advantages:
1, by add same trade mark soft magnetic ferrite waste material in soft magnetic ferrite particles material, realize and also can prepare low-power dissipation soft magnetic ferrite material with low cost, reduce costs, promote the market competitiveness.
2, apply the preparation method that soft magnetic ferrite waste recycling of the present invention utilizes, reduce the pollution to environment, easy handling, is suitable for mass production.
Embodiment
Be below the specific embodiment of the present invention, technical characterictic of the present invention is described further, but the present invention is not limited to these embodiment.
Embodiment 1
By the Fe by 52.6mol%
2o
3the ZnO of 12mol%, the 90wt% starting material of the MnO composition of 35.4mol% mix 1 hour in sand mill, then the compound that takes by weight percentage the discarded feed back 5wt% of same trade mark soft magnetic ferrite and the discarded blank 5wt% of soft magnetic ferrite mixes 40min in sand mill, in above-mentioned sand milling material, add ancillary component, the ancillary component (wt%) of interpolation is: the CaCO of 0.07wt%
3, the SiO of 0.015wt%
2.After adding PVA, carry out mist projection granulating, the standard toroidal core that is shaped to Φ 25 carries out sintering.
At 100kHz/200mT, 100 DEG C, test the loss of sample with CH2335 type loss test instrument, Pcv result is 362mw/cm
3.
Comparative example 1
Identical with embodiment 1, by the Fe of 52.6mol%
2o
3the ZnO of 12mol%, the 30wt% starting material of the MnO composition of 35.4mol% mix 1 hour in sand mill, then the compound that takes by weight percentage the discarded feed back 35wt% of same trade mark soft magnetic ferrite and the discarded blank 35wt% of soft magnetic ferrite mixes 40min in sand mill, and the ancillary component (wt%) of interpolation is: the CaCO of 0.15wt%
3, the SiO of 0.02wt%
2.After adding PVA, carry out mist projection granulating, the standard toroidal core that is shaped to Φ 25 carries out sintering.
At 100kHz/200mT, 100 DEG C, test the loss of sample with CH2335 type loss test instrument, Pcv result is 633mw/cm
3.
Embodiment 2
By the Fe by 52.6mol%
2o
3the ZnO of 12mol%, the 80wt% starting material of the MnO composition of 35.4mol% mix 1 hour in sand mill, then the compound that takes by weight percentage the discarded feed back 10wt% of same trade mark soft magnetic ferrite and the discarded blank 10wt% of soft magnetic ferrite mixes 40min in sand mill, in above-mentioned sand milling material, add ancillary component, the ancillary component (wt%) of interpolation is: the CaCO of 0.05wt%
3, the Nb of 0.04wt%
2o
5, the V of 0.03wt%
2o
5.After adding PVA, carry out mist projection granulating, the standard toroidal core that is shaped to Φ 25 carries out sintering.
At 100kHz/200mT, 100 DEG C, test the loss of sample with CH2335 type loss test instrument, Pcv result is 366mw/cm
3.
Comparative example 2
Identical with embodiment 2, just sand milling material is all changed into reclaimed materials.At 100kHz/200mT, 100 DEG C, test the loss of sample with CH2335 type loss test instrument, Pcv result is 788mw/cm
3.
Embodiment 3
By the Fe by 52.6mol%
2o
3the ZnO of 12mol%, the 70wt% starting material of the MnO composition of 35.4mol% mix 1 hour in sand mill, then the compound that takes by weight percentage the discarded feed back 25wt% of same trade mark soft magnetic ferrite and the discarded blank 5wt% of soft magnetic ferrite mixes 40min in sand mill, in above-mentioned sand milling material, add ancillary component, the ancillary component (wt%) of interpolation is: the CaCO of 0.05wt%
3, the Nb of 0.04wt%
2o
5, the V of 0.03wt%
2o
5.After adding PVA, carry out mist projection granulating, the standard toroidal core that is shaped to Φ 25 carries out sintering.
At 100kHz/200mT, 100 DEG C, test the loss of sample with CH2335 type loss test instrument, Pcv result is 369mw/cm
3.
Comparative example 3
Identical with embodiment 3, just sand milling material is all changed into starting material and do not add activator.At 100kHz/200mT, 100 DEG C, test the loss of sample with CH2335 type loss test instrument, Pcv result is 458mw/cm
3.
Embodiment 4
By the Fe by 52.6mol%
2o
3the ZnO of 12mol%, the 60wt% starting material of the MnO composition of 35.4mol% mix 1 hour in sand mill, then the compound that takes by weight percentage the discarded feed back 25wt% of same trade mark soft magnetic ferrite and the discarded blank 15wt% of soft magnetic ferrite mixes 40min in sand mill, in above-mentioned sand milling material, add ancillary component, the ancillary component (wt%) of interpolation is: the CaCO of 0.05wt%
3, the Nb of 0.04wt%
2o
5, the V of 0.03wt%
2o
5.After adding PVA, carry out mist projection granulating, the standard toroidal core that is shaped to Φ 25 carries out sintering.
At 100kHz/200mT, 100 DEG C, test the loss of sample with CH2335 type loss test instrument, Pcv result is 379mw/cm
3.
Comparative example 4
Identical with embodiment 4, by the Fe of 52.6mol%
2o
3the ZnO of 12mol%, the 40wt% starting material of the MnO composition of 35.4mol% mix 1 hour in sand mill, then the compound that takes by weight percentage the discarded feed back 45wt% of same trade mark soft magnetic ferrite and the discarded blank 15wt% of soft magnetic ferrite mixes 40min in sand mill, and the ancillary component (wt%) of interpolation is: the CaCO of 0.15wt%
3, the SiO of 0.03wt%
2, the V of 0.1wt%
2o
5.After adding PVA, carry out mist projection granulating, the standard toroidal core that is shaped to Φ 25 carries out sintering.
At 100kHz/200mT, 100 DEG C, test the loss of sample with CH2335 type loss test instrument, Pcv result is 620mw/cm
3.
Specific embodiment described in the present invention is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendments or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although the present invention has been made a detailed description and has quoted as proof some specific exampless, to those skilled in the art, only otherwise it is obvious leaving that the spirit and scope of the present invention can make various changes or revise.
Claims (5)
1. a preparation method for soft magnetic ferrite waste recovery recycling, the method is made up of following steps:
A, batching stage: this stage is for taking by weight percentage soft magnetic ferrite particles material 55 ~ 100wt% and the compound of discarding blank 5 ~ 15wt% with the discarded feed back 5 ~ 30wt% of trade mark soft magnetic ferrite and soft magnetic ferrite;
B, modification stage: the compound of a step gained is carried out continuous crushing by this stage, finally reaching average grain is 0.9 ~ 3 μ m, meanwhile, adds 0.08 ~ 0.16wt% nano modifier of amount of the mixture; Gained batch mixing is placed in to spray tower and carries out mist projection granulating;
C, sintering stage: this stage adds b step gained composite grain material in press grinding tool and suppresses, and finally blank magnetic core is placed in to pushed bat kiln and carries out sintering, and sintering temperature is 1200 ~ 1400 DEG C, and sintering time is 20 ~ 40h.
2. the preparation method of soft magnetic ferrite waste recovery recycling according to claim 1, is characterized in that: the soft magnetic ferrite dead meal described in step a comprises: discarded feed back, the moulding press of mist projection granulating are processed the waste wool blank staying.
3. the preparation method of soft magnetic ferrite waste recovery recycling according to claim 1, is characterized in that: the nano modifier described in step b is SiO
2, CaO, V
2o
5, Bi
2o
3, MoO
3, TiO
2, SnO
2, Co
2o
3, Nb
2o
5, ZrO
2, Ta
2o
5in a kind of or their mixture.
4. the soft magnetic ferrite of preparation method's system of soft magnetic ferrite waste recovery recycling according to claim 1, is characterized in that: soft magnetic ferrite has initial permeability μ i >=2400 volume power consumption Pcv≤380mw/cm.
5. the soft magnetic ferrite of preparation method's system of soft magnetic ferrite waste recovery recycling according to claim 1, is characterized in that: the density >=4.90g/cm3 of this soft magnetic ferrite.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105060875A (en) * | 2015-08-19 | 2015-11-18 | 无锡斯贝尔磁性材料有限公司 | Thin film type MnZn ferrite magnetic material special powder |
| JP2019163190A (en) * | 2018-03-20 | 2019-09-26 | 株式会社トーキン | HEAT-RESISTANT HIGH PERMEABILITY MnZn FERRITE |
| CN110526619A (en) * | 2019-08-02 | 2019-12-03 | 无锡斯贝尔磁性材料有限公司 | A method of easily molded, low-loss, high BS material are manufactured using the useless magnetic core of MnZn ferrite |
| 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 |
| CN111825439A (en) * | 2019-04-19 | 2020-10-27 | 佛山市顺德区美的电热电器制造有限公司 | Manganese-zinc ferrite and preparation method and application thereof |
| CN113636837A (en) * | 2021-08-23 | 2021-11-12 | 中国电子科技集团公司第九研究所 | Processing method of garnet microwave polycrystalline ferrite material with unqualified electromagnetic performance |
| CN114429858A (en) * | 2022-01-13 | 2022-05-03 | 宁波金轮磁材技术有限公司 | Sintered neodymium-iron-boron magnetic steel and preparation method thereof |
| CN114524668A (en) * | 2022-03-15 | 2022-05-24 | 宜宾金川电子有限责任公司 | Method for adding and recycling manganese zinc ferrite waste in strontium ferrite |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101481242A (en) * | 2008-12-24 | 2009-07-15 | 海宁市凌通电子有限责任公司 | Regenerative preparation of manganese-zinc power ferrite waste product |
| CN103102150A (en) * | 2013-02-28 | 2013-05-15 | 中国计量学院 | Preparation method for recycling of permanent magnetic ferrite waste |
-
2014
- 2014-04-24 CN CN201410167057.0A patent/CN103979946B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101481242A (en) * | 2008-12-24 | 2009-07-15 | 海宁市凌通电子有限责任公司 | Regenerative preparation of manganese-zinc power ferrite waste product |
| CN103102150A (en) * | 2013-02-28 | 2013-05-15 | 中国计量学院 | Preparation method for recycling of permanent magnetic ferrite waste |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105060875A (en) * | 2015-08-19 | 2015-11-18 | 无锡斯贝尔磁性材料有限公司 | Thin film type MnZn ferrite magnetic material special powder |
| JP2019163190A (en) * | 2018-03-20 | 2019-09-26 | 株式会社トーキン | HEAT-RESISTANT HIGH PERMEABILITY MnZn FERRITE |
| CN111825439A (en) * | 2019-04-19 | 2020-10-27 | 佛山市顺德区美的电热电器制造有限公司 | Manganese-zinc ferrite and preparation method and application thereof |
| CN110526619A (en) * | 2019-08-02 | 2019-12-03 | 无锡斯贝尔磁性材料有限公司 | A method of easily molded, low-loss, high BS material are manufactured using the useless magnetic core of MnZn ferrite |
| 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 |
| CN113636837A (en) * | 2021-08-23 | 2021-11-12 | 中国电子科技集团公司第九研究所 | Processing method of garnet microwave polycrystalline ferrite material with unqualified electromagnetic performance |
| CN114429858A (en) * | 2022-01-13 | 2022-05-03 | 宁波金轮磁材技术有限公司 | Sintered neodymium-iron-boron magnetic steel and preparation method thereof |
| CN114524668A (en) * | 2022-03-15 | 2022-05-24 | 宜宾金川电子有限责任公司 | Method for adding and recycling manganese zinc ferrite waste in strontium ferrite |
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| CN103979946B (en) | 2016-05-18 |
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Address after: 215500 Jiangsu city of Suzhou province Changshou City Yushan high-tech industrial park four new road No. 18 Applicant after: Suzhou Tianyuan Magnetic materials Co., Ltd. Address before: 215500 Jiangsu city of Suzhou province Changshou City Yushan high-tech industrial park four new road No. 18 Applicant before: Suzhou Tianyuan Magnetic Industry Co., Ltd. |
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