CN103386412A - Cleaning and recycling technology of neodymium iron boron waste - Google Patents
Cleaning and recycling technology of neodymium iron boron waste Download PDFInfo
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- CN103386412A CN103386412A CN2013102851691A CN201310285169A CN103386412A CN 103386412 A CN103386412 A CN 103386412A CN 2013102851691 A CN2013102851691 A CN 2013102851691A CN 201310285169 A CN201310285169 A CN 201310285169A CN 103386412 A CN103386412 A CN 103386412A
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- iron boron
- neodymium iron
- boron waste
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Abstract
A cleaning and recycling technology of neodymium iron boron waste is disclosed. The technology comprises following steps: (1) throwing the neodymium iron boron waste into a pot, boiling the neodymium iron boron waste with water and caustic soda, and removing the oil; (2) putting the neodymium iron boron waste into a roller machine, adding detergent and water, rolling adequately to remove the oil stains and slurries on the surfaces of the neodymium iron boron waste; (3) pouring the neodymium iron boron waste into a material frame, washing with water, and filtering to dry; (4) putting the neodymium iron boron waste into the roller machine again, adding sawdust into the roller machine too, rolling with the sawdust to remove the oil stains and slurries on the surfaces of the neodymium iron boron waste; (5) putting the neodymium iron boron waste into a vibrating screen classifier to remove the sawdust; (6) putting the neodymium iron boron waste into a oven to dry in low temperature; (7) removing the impurities by manual work, blowing to remove the dust and sawdust so as to obtain the neodymium iron boron waste, which is oil-stainless on the surface, no slurry, no water and contains few impurities. The neodymium iron boron waste can be cleaned and recycled in a safe, high-efficient and low-cost way through the steps mentioned above, furthermore, the neodymium iron boron waste will not be oxidized during the cleaning and recycling process, the loss is small, the quality is stable, and the technology is suitable for recycling of large amount of waste.
Description
Technical field
The present invention relates to a kind of clean reclaiming process of neodymium iron boron waste material.
Background technology
At present, on industry, the clean and reuse technique of Nd-Fe-B magnet steel waste material commonly used is mainly two kinds: the one, and pickling; The 2nd, high temperature is fiery roasting blowing off directly.Adopt pickling, spillage of material is large, operation is dangerous, the easy contaminated environment of sewage and the production efficiency of discharging are low; High temp fire is roasting to be blown off and adopt, and contains impurity in waste material after processing many, and particularly cement content is high, and high temp fire is roasting easily makes the oxidation of waste material top layer, makes the degradation of waste material, and impact is recycled and is worth.
Summary of the invention
Have above-mentioned deficiency in order to overcome in prior art, the invention provides a kind of safe and practical, production efficiency is high, can not be oxidized and steady quality, can meet the clean reclaiming process of the neodymium iron boron waste material of waste recovery in enormous quantities.
The technical scheme that the present invention solves its technical problem is: a kind of clean reclaiming process of neodymium iron boron waste material, it comprises the steps:
1) will pour in pot with the neodymium iron boron waste material of greasy dirt, mud, water and foreign material, add water and caustic soda, then that water is boiled, boil to the lip-deep oil base elimination of neodymium iron boron waste material;
2) well-done neodymium iron boron waste material is put into roller machine, injected water and washing powder, thus roller machine rotates the lip-deep greasy dirt of rubbing to fall to remain in neodymium iron boron waste material with the hands and the lip-deep mud that is attached to neodymium iron boron waste material;
3) neodymium iron boron waste material that rolls is poured into the material frame from roller machine, then carried out clear water and rinse, wash out the lip-deep greasy dirt of neodymium iron boron waste material and mud, then be filtered dry water standby;
The neodymium iron boron waste material that 4) will clean is poured in roller machine again, adds sawdust, thereby roller machine rotates lip-deep greasy dirt and the mud of rubbing to fall to remain in neodymium iron boron waste material with the hands;
5) neodymium iron boron waste material and the sawdust that roll are put on vibrating screen classifier, thereby the vibrosieve machine vibration screens out sawdust, sawdust siphons away residual moisture and takes away greasy dirt and mud, obtains surface without greasy dirt, without mud, anhydrous clean neodymium iron boron waste material;
The neodymium iron boron waste material that 6) will sieve is out put into baking oven and is carried out low temperature drying;
7) neodymium iron boron waste material that has dried by the fire is removed foreign material by manually picking, and with the compressed air that dewaters, blows dust residual in neodymium iron boron waste material and sawdust, obtains surface without greasy dirt, without mud, the neodymium iron boron waste material that anhydrous and impurity content is few.
In step 1), the weight that adds caustic soda is the 2-3% of the weight of neodymium iron boron waste material, and the caustic soda here is exactly NaOH, and chemical formula is NaOH.
In step 2) in, water is filled with roller machine, and the weight that adds washing powder is the 0.1-0.2% of neodymium iron boron waste material, and the roller machine rotation time is 25-45 minute.
In step 4), adding the ratio of the volume of the volume of sawdust and neodymium iron boron waste material is 1:1, and the roller machine rotation time is 30-45 minute.
In step 6), the temperature in baking oven is 150-200 degree centigrade.
in step 2) and 4) in, described roller machine is the regular hexagon roller machine, can realize neodymium iron boron waste material good mutual collision rubbing while rolling in roller machine, wipe oil and mud are effective, roller machine comprises bracing frame, that rotates is arranged on barrel on bracing frame, be provided with motor and reduction gearing on bracing frame, the input of reduction gearing is connected with the output of motor by driving belt, the output of reduction gearing is connected with barrel and drives barrel and rotates, the feed inlet and outlet of barrel is covered with hermatic door, be sealed with sealing flexible glue pad between hermatic door and feed inlet and outlet, good sealing effect.
in step 5), be provided with three layers of screen cloth in described vibrating screen classifier, these three layers of screen clothes are obliquely installed, general angle of inclination is 30 degree, neodymium iron boron waste material is vibrated from top realize screening to bottom, be difficult for stopping up screen cloth, the mesh of last layer screen cloth is 5 orders, screen out fast sawdust and isolate the bulk neodymium iron boron waste material, neodymium iron boron waste material segregation ratio approximately 90%, the mesh of middle one deck screen cloth is 20 orders, further sieve out neodymium iron boron waste material chip remaining in sawdust, the mesh of basecoat screen cloth is 40 orders, to also have the tiny neodymium iron boron waste material chip of value to sieve out in sawdust, realize that 99% reclaims, waste is few.
Beneficial effect of the present invention is: adopt above-mentioned steps, can safety, efficiently, clean and reuse neodymium iron boron waste material, and neodymium iron boron waste material cheaply can be not oxidized in the clean and reuse process, loss is little, steady quality, is suitable for waste recovery in enormous quantities.
The specific embodiment
A kind of clean reclaiming process of neodymium iron boron waste material, it comprises the steps:
1) will pour in pot with the neodymium iron boron waste material of greasy dirt, mud, water and foreign material, add suitable quantity of water and caustic soda, then water is boiled, boil to the lip-deep oil base of neodymium iron boron waste material and eliminate, add water to need neodymium iron boron waste material is flooded, the weight that adds caustic soda is the 2-3% of the weight of neodymium iron boron waste material, the caustic soda here is exactly NaOH, chemical formula is NaOH, the lip-deep oil base of neodymium iron boron waste material can be eliminated substantially, is convenient to back neodymium iron boron waste material and greasy dirt and is separated;
2) well-done neodymium iron boron waste material is put into roller machine, inject suitable quantity of water and washing powder, thereby roller machine rotates the lip-deep greasy dirt of rubbing to fall to remain in neodymium iron boron waste material with the hands and is attached to neodymium iron boron waste material is lip-deep mud, water is generally filled with roller machine, and the weight that adds washing powder is the 0.1-0.2% of neodymium iron boron waste material, the roller machine rotation time is 25-45 minute, rub with the hands as good with the lip-deep mud of neodymium iron boron waste material, and washing powder is used for wipe oil;
3) neodymium iron boron waste material that rolls is poured into the material frame from roller machine, then carrying out clear water rinses, wash out the lip-deep greasy dirt of neodymium iron boron waste material and mud, then be filtered dry water standby, at flushing process, need to frequently stir neodymium iron boron waste material, be convenient to wash out fast the lip-deep greasy dirt of neodymium iron boron waste material, washing powder and mud;
The neodymium iron boron waste material that 4) will clean is poured in roller machine again, add appropriate sawdust, thereby roller machine rotates lip-deep greasy dirt and the mud of rubbing to fall to remain in neodymium iron boron waste material with the hands, adding the ratio of the volume of the volume of sawdust and neodymium iron boron waste material is 1:1, the roller machine rotation time is 30-45 minute, sawdust can make adjacent neodymium iron boron waste material not sticking mutually, and can adsorb residual moisture and greasy dirt;
5) neodymium iron boron waste material and the sawdust that roll are put on vibrating screen classifier, thereby the vibrosieve machine vibration screens out sawdust, sawdust siphons away residual moisture and takes away greasy dirt and mud, obtains surface without greasy dirt, without mud, anhydrous clean neodymium iron boron waste material;
The neodymium iron boron waste material that 6) will sieve is out put into baking oven and is carried out low temperature drying, and the temperature in baking oven is 150-200 degree centigrade, can prevent that neodymium iron boron waste material is oxidized;
7) neodymium iron boron waste material that has dried by the fire is removed foreign material by manually picking, these foreign material include iron plate, screw, cement plate fragment, steel ball, glass, sandstone etc., and with the compressed air that dewaters, blow dust residual in neodymium iron boron waste material and sawdust, obtain surface without greasy dirt, without mud, the neodymium iron boron waste material that anhydrous and impurity content is few.
in step 2) and 4) in, described roller machine is the regular hexagon roller machine, can realize neodymium iron boron waste material good mutual collision rubbing while rolling in roller machine, wipe oil and mud are effective, roller machine comprises bracing frame, that rotates is arranged on barrel on bracing frame, be provided with motor and reduction gearing on bracing frame, the input of reduction gearing is connected with the output of motor by driving belt, the output of reduction gearing is connected with barrel and drives barrel and rotates, the feed inlet and outlet of barrel is covered with hermatic door, be sealed with sealing flexible glue pad between hermatic door and feed inlet and outlet, good sealing effect.
in step 5), be provided with three layers of screen cloth in described vibrating screen classifier, these three layers of screen clothes are obliquely installed, general angle of inclination is 30 degree, neodymium iron boron waste material is vibrated from top realize screening to bottom, be difficult for stopping up screen cloth, the mesh of last layer screen cloth is 5 orders, screen out fast sawdust and isolate the bulk neodymium iron boron waste material, neodymium iron boron waste material segregation ratio approximately 90%, the mesh of middle one deck screen cloth is 20 orders, further sieve out neodymium iron boron waste material chip remaining in sawdust, the mesh of basecoat screen cloth is 40 orders, to also have the tiny neodymium iron boron waste material chip of value to sieve out in sawdust, realize that 99% reclaims, waste is few.
Adopt above-mentioned steps, can safety, efficiently, clean and reuse neodymium iron boron waste material, and neodymium iron boron waste material cheaply can be not oxidized in the clean and reuse process, loss is little, steady quality, is suitable for waste recovery in enormous quantities.
Claims (7)
1. the clean reclaiming process of a neodymium iron boron waste material, it is characterized in that: it comprises the steps:
1) will pour in pot with the neodymium iron boron waste material of greasy dirt, mud, water and foreign material, add water and caustic soda, then that water is boiled, boil to the lip-deep oil base elimination of neodymium iron boron waste material;
2) well-done neodymium iron boron waste material is put into roller machine, injected water and washing powder, thus roller machine rotates the lip-deep greasy dirt of rubbing to fall to remain in neodymium iron boron waste material with the hands and the lip-deep mud that is attached to neodymium iron boron waste material;
3) neodymium iron boron waste material that rolls is poured into the material frame from roller machine, then carried out clear water and rinse, wash out the lip-deep greasy dirt of neodymium iron boron waste material and mud, then be filtered dry water standby;
The neodymium iron boron waste material that 4) will clean is poured in roller machine again, adds sawdust, thereby roller machine rotates lip-deep greasy dirt and the mud of rubbing to fall to remain in neodymium iron boron waste material with the hands;
5) neodymium iron boron waste material and the sawdust that roll are put on vibrating screen classifier, thereby the vibrosieve machine vibration screens out sawdust, sawdust siphons away residual moisture and takes away greasy dirt and mud, obtains surface without greasy dirt, without mud, anhydrous clean neodymium iron boron waste material;
The neodymium iron boron waste material that 6) will sieve is out put into baking oven and is carried out low temperature drying;
7) neodymium iron boron waste material that has dried by the fire is removed foreign material by manually picking, and with the compressed air that dewaters, blows dust residual in neodymium iron boron waste material and sawdust, obtains surface without greasy dirt, without mud, the neodymium iron boron waste material that anhydrous and impurity content is few.
2., according to the clean reclaiming process of neodymium iron boron waste material claimed in claim 1, it is characterized in that: in step 1), the weight that adds caustic soda is the 2-3% of the weight of neodymium iron boron waste material.
3., according to the clean reclaiming process of neodymium iron boron waste material claimed in claim 1, it is characterized in that: in step 2) in, water is filled with roller machine, and the weight that adds washing powder is the 0.1-0.2% of neodymium iron boron waste material, and the roller machine rotation time is 25-45 minute.
4., according to the clean reclaiming process of neodymium iron boron waste material claimed in claim 1, it is characterized in that: in step 4), adding the ratio of the volume of the volume of sawdust and neodymium iron boron waste material is 1:1, and the roller machine rotation time is 30-45 minute.
5., according to the clean reclaiming process of neodymium iron boron waste material claimed in claim 1, it is characterized in that: in step 6), the temperature in baking oven is 150-200 degree centigrade.
6., according to the clean reclaiming process of the described neodymium iron boron waste material of one of claim 1 ~ 5, it is characterized in that: described roller machine is the regular hexagon roller machine.
7. according to the clean reclaiming process of the described neodymium iron boron waste material of one of claim 1 ~ 5, it is characterized in that: be provided with three layers of screen cloth in described vibrating screen classifier, these three layers of screen clothes are obliquely installed, the mesh of last layer screen cloth is 5 orders, the mesh of middle one deck screen cloth is 20 orders, and the mesh of basecoat screen cloth is 40 orders.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310285169.1A CN103386412B (en) | 2013-07-09 | 2013-07-09 | Cleaning and recycling technology of neodymium iron boron waste |
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| CN201310285169.1A CN103386412B (en) | 2013-07-09 | 2013-07-09 | Cleaning and recycling technology of neodymium iron boron waste |
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| CN103386412A true CN103386412A (en) | 2013-11-13 |
| CN103386412B CN103386412B (en) | 2015-07-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128296A (en) * | 2014-06-30 | 2014-11-05 | 北京京磁强磁材料有限公司 | Glue-boiling apparatus and glue-boiling method thereof |
| CN105177296A (en) * | 2015-08-17 | 2015-12-23 | 青岛盛磁科技有限公司 | Method for recycling and regenerating neodymium iron boron sheet |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0093264A2 (en) * | 1982-04-30 | 1983-11-09 | Ransohoff Co. | Method and apparatus for cleaning metallic fines |
| JPH06192862A (en) * | 1992-12-28 | 1994-07-12 | Nitto Seiko Co Ltd | Method for cleaning fat and oil deposit |
| CN1223182A (en) * | 1999-01-06 | 1999-07-21 | 宁波韵升强磁材料有限公司 | Method for making Nd-Fe-B series permanent magnet by using leftover bits and pieces of material |
| CN1807682A (en) * | 2006-01-26 | 2006-07-26 | 鲁国强 | Electroless nickel-phosphorus plating process for Nd-Fe-Bo permanent magnet material |
| CN101003048A (en) * | 2006-12-06 | 2007-07-25 | 钟世雄 | Rolling type multiple work position equipment for removing oil and removing phosphorus for work piece surface, and method therefor |
| CN101728042A (en) * | 2008-10-16 | 2010-06-09 | 北京中科三环高技术股份有限公司 | Technique for treating surface of permanent magnet material |
| CN102618879A (en) * | 2011-01-27 | 2012-08-01 | 三环瓦克华（北京）磁性器件有限公司 | Boiling method and boiling device for NdFeB sintering |
| CN102698978A (en) * | 2012-05-31 | 2012-10-03 | 江苏力星通用钢球股份有限公司 | Miniature precision steel ball cleaning and polishing automatic production line |
| CN102723166A (en) * | 2012-06-29 | 2012-10-10 | 温州市南磁科技有限公司 | NdFeB permanent magnet and processing process thereof |
-
2013
- 2013-07-09 CN CN201310285169.1A patent/CN103386412B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0093264A2 (en) * | 1982-04-30 | 1983-11-09 | Ransohoff Co. | Method and apparatus for cleaning metallic fines |
| JPH06192862A (en) * | 1992-12-28 | 1994-07-12 | Nitto Seiko Co Ltd | Method for cleaning fat and oil deposit |
| CN1223182A (en) * | 1999-01-06 | 1999-07-21 | 宁波韵升强磁材料有限公司 | Method for making Nd-Fe-B series permanent magnet by using leftover bits and pieces of material |
| CN1807682A (en) * | 2006-01-26 | 2006-07-26 | 鲁国强 | Electroless nickel-phosphorus plating process for Nd-Fe-Bo permanent magnet material |
| CN101003048A (en) * | 2006-12-06 | 2007-07-25 | 钟世雄 | Rolling type multiple work position equipment for removing oil and removing phosphorus for work piece surface, and method therefor |
| CN101728042A (en) * | 2008-10-16 | 2010-06-09 | 北京中科三环高技术股份有限公司 | Technique for treating surface of permanent magnet material |
| CN102618879A (en) * | 2011-01-27 | 2012-08-01 | 三环瓦克华（北京）磁性器件有限公司 | Boiling method and boiling device for NdFeB sintering |
| CN102698978A (en) * | 2012-05-31 | 2012-10-03 | 江苏力星通用钢球股份有限公司 | Miniature precision steel ball cleaning and polishing automatic production line |
| CN102723166A (en) * | 2012-06-29 | 2012-10-10 | 温州市南磁科技有限公司 | NdFeB permanent magnet and processing process thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128296A (en) * | 2014-06-30 | 2014-11-05 | 北京京磁强磁材料有限公司 | Glue-boiling apparatus and glue-boiling method thereof |
| CN105177296A (en) * | 2015-08-17 | 2015-12-23 | 青岛盛磁科技有限公司 | Method for recycling and regenerating neodymium iron boron sheet |
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| CN103386412B (en) | 2015-07-15 |
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