CN207159298U - It is a kind of using saponification with extraction to reclaim the retracting device of heavy metal in neodymium iron boron waste material - Google Patents
It is a kind of using saponification with extraction to reclaim the retracting device of heavy metal in neodymium iron boron waste material Download PDFInfo
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- CN207159298U CN207159298U CN201720936914.8U CN201720936914U CN207159298U CN 207159298 U CN207159298 U CN 207159298U CN 201720936914 U CN201720936914 U CN 201720936914U CN 207159298 U CN207159298 U CN 207159298U
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- extraction
- heavy metal
- waste material
- iron boron
- neodymium iron
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The utility model, which is created, is related to metallurgical technology field, more particularly to it is a kind of using saponification with extraction to reclaim the retracting device of heavy metal in neodymium iron boron waste material.The utility model is created carries out the excellent molten method processing of hydrochloric acid using sour decomposer to neodymium iron boron waste material, and to obtain rare earth chloride liquid, extraction separation device utilizes P507Phosphoric acid ester extractant carries out extract and separate to rare earth chloride liquid to obtain the difficult extraction component of rare earth and heavy metal ion；The difficult extraction component of rare earth enters the second extraction tank, heavy metal ion aqueous phase enters the second extraction tank of device for saponifying, heavy metal ion aqueous phase enters line replacement with the difficult extraction component of rare earth so in the second extraction tank, so as to obtain heavy metal aqueous phase, heavy metal aqueous phase handles to obtain heavy metal carbonate solid by settler and vacuum suction filtration tank.Traditional neodymium iron boron waste material resource reclaim technology is compared in the invention, and the recovery for increasing heavy metal uses, and efficiently reduces the wasting of resources so as to realize, improves the utilization rate of resource.
Description
Technical field
The invention is related to metallurgical technology field, more particularly to one kind using saponification and is extracted to reclaim neodymium iron boron waste material
The retracting device of middle heavy metal.
Background technology
Nd-Fe-B permanent magnet material have the characteristics that magnetic it is high, using it is wide, development is fast.Neodymium iron boron magnetic body has high remanent magnetism, height
The characteristics such as coercivity, high energy product, thus it is widely used in electronics, communication, Medical Devices, space flight and aviation, auto industry and work
The fields such as industry automation.In recent years, sintered NdFeB yield in China's accounts for the whole world with the speed rapid growth of annual 15% or so
50% or so of total output.In recent years, mandatory plan is carried out in exploitation of the country to rare earth resources, carries out protective development, and
The growth of global neodymium iron boron still will remain in 30% or so.
At present, neodymium iron boron waste material resource reclaim rare earth recycle production technology in, the heavy metal such as cobalt, nickel, copper, zinc be with
The form of chloride enters in follow-up wastewater treatment, then makes it heavy by the way of traditional hydrolysis plus heavy metal chelating agent
Form sediment and mixed with lime mud, then move general solid waste landfill site to again and filled, this method cost is high, both unrestrained
Take resource, again can welding.
The content of the invention
The purpose of the invention be to provide it is a kind of using saponification with extraction to reclaim returning for heavy metal in neodymium iron boron waste material
Receiving apparatus, it can improve the rate of recovery of heavy metal in neodymium iron boron waste material.
The invention provide it is a kind of using saponification with extraction to reclaim the retracting device of heavy metal in neodymium iron boron waste material, wrap
Include lapping device, the sour decomposer and extract and separate for the excellent molten method processing of hydrochloric acid for neodymium iron boron waste material to be crushed
Device, the output end of lapping device connect the input of sour decomposer, the output end connection extract and separate dress of sour decomposer
The input put；The output end of extraction separation device is connected with the first extraction tank, and it includes organic phase outlet and raffinate outlet；
Raffinate outlet is connected with device for saponifying, and the output end of device for saponifying is connected with the second extraction tank, and the second extraction tank is also connected with this
Organic phase outlet；The output end of second extraction tank is connected with settler and vacuum suction filtration tank in turn.
Wherein, the input of lapping device is connected with feeding system.
Wherein, feeding system includes loading hopper, support, carriage, conveyer belt and motor；Carriage is fixed on support
On, carriage connection conveyer belt, motor is fixed on carriage, motor driving conveying Tape movement；Carriage one end connection grinding dress
The input put, the other end are located at below the funnel hole of loading hopper.
Wherein, loading hopper is oscillatory type batch meter.
Wherein, the second extraction tank is stirred room multitple extraction groove to be double.
Wherein, the second extraction tank is stirred room five grades extraction groove to be double.
Wherein, device for saponifying includes the saponification groove and defecator being connected.
Wherein, defecator connects the second extraction tank.
Wherein, saponification groove and defecator are equipped with cover plate.
Wherein, cover plate is provided with the dual layer water seal for avoiding organic phase from volatilizing.
The beneficial effect of the invention：The invention crushes neodymium iron boron waste material using lapping device, then profit
The excellent molten method processing of hydrochloric acid is carried out to neodymium iron boron waste material with sour decomposer, to obtain rare earth chloride liquid, extraction separation device profit
Use P507Phosphoric acid ester extractant carries out extract and separate to rare earth chloride liquid to obtain the difficult extraction component of rare earth and heavy metal ion；The
One extraction tank respectively discharges the difficult extraction component of rare earth and heavy metal ion aqueous phase from different outlets, and the difficult extraction component of rare earth enters the
Two extraction tanks, heavy metal ion aqueous phase enter device for saponifying, and the heavy metal ion aqueous phase in device for saponifying enters the second extraction tank,
Heavy metal ion aqueous phase enters line replacement with the difficult extraction component of rare earth so in the second extraction tank, and heavy metal is cemented out by rare earth,
So as to obtain heavy metal aqueous phase, heavy metal aqueous phase handles to obtain heavy metal carbonate by settler and vacuum suction filtration tank to be consolidated
Body.Traditional neodymium iron boron waste material resource reclaim technology is compared in the invention, and the recovery for increasing heavy metal uses, and reduces simultaneously
The treatment cost of follow-up waste water, efficiently reduces the wasting of resources so as to realize, improves the utilization rate of resource in production technology.
Brief description of the drawings
The invention is described further using accompanying drawing, but the embodiment in accompanying drawing is not formed to the invention
Any restrictions, on the premise of not paying creative work, can also be according to following attached for one of ordinary skill in the art
Figure obtains other accompanying drawings.
Fig. 1 is the retracting device structural representation of the invention.
Fig. 2 is the feeding system of the invention and the structural representation of lapping device.
Include in fig. 1 and 2：1 --- feeding system, 11 --- loading hopper, 12 --- support, 13 --- conveying
Frame, 14 --- conveyer belt, 15 --- motor, 2 --- lapping device, 21 --- agitator, 3 --- sour decomposer, 4 --- extraction
Take separator, 5 --- the first extraction tank, 51 --- raffinate outlet, 52 --- organic phase outlet, 6 --- device for saponifying,
7 --- the second extraction tank, 8 --- settler, 9 --- vacuum suction filtration tank.
Embodiment
The invention is further described with the following Examples.
As depicted in figs. 1 and 2, feeding system 1 includes loading hopper 11, support 12, carriage 13, conveyer belt 14 and motor
15；Carriage 13 is fixed on support 12, and carriage 13 connects conveyer belt 14, and motor 15 is fixed on carriage 13, and motor 15 drives
Dynamic conveyer belt 14 rotates；The upper end of carriage 13 connects the input of lapping device 2, and lower end is located under the funnel hole of loading hopper 11
Side, specific loading hopper 11 use oscillatory type loading hopper, and neodymium iron boron waste material is put into loading hopper 11 and vibrated, then profit
Drive conveyer belt 14 to rotate with motor 15 to be ground so that neodymium iron boron waste material is transported to lapping device 2, pass through giving for automation
Material system 1, which carries out feed, can improve production efficiency.
After neodymium iron boron waste material is transported to lapping device 2, it is 150 mesh that the agitator 21 that is ground in device 2, which is crushed to granularity,.
The output end of lapping device 2 connects sour decomposer 3, and the raw material that its lapping device 2 exports carries out the excellent molten method processing of hydrochloric acid, with
To rare earth chloride liquid.The output end connection extraction separation device 4 of sour decomposer 3, sour decomposer 3 is rare earth chloride liquid
Extraction separation device 4 is transported to, rare earth chloride liquid carries out P507Phosphoric acid ester extractant extract and separate, so as to obtain the difficult extraction of rare earth
Component and heavy metal ion, the difficult extraction component of rare earth is stayed in aqueous phase with heavy metal ion to be enriched with.The output end of extraction separation device 4
The first extraction tank 5 is connected with, it includes organic phase outlet 52 and raffinate outlet 51, and the difficult component that extracts of rare earth is from organic phase outlet 52
Outflow, heavy metal ion flow out from raffinate outlet 51；Raffinate outlet 51 connects device for saponifying 6, and device for saponifying 6 includes being connected
The saponification groove and defecator connect, wherein, saponification groove and defecator are equipped with cover plate, and cover plate, which is provided with, avoids organic phase from waving
The dual layer water seal of hair.The heavy metal aqueous phase discharged from raffinate outlet 51 enters saponification groove, and control heavy metal ion is in soap
The extraction saturation degree changed in reactive tank organic phase is 45~70%, heavy metal ion is all extracted in organic phase, is loaded
There is the organic phase of heavy metal, the second extraction tank 7 is directly discharged to after extracting the clarified defecator of aqueous phase in after saponification device 6；
Second extraction tank 7 is also connected with organic phase outlet 52, so that the difficult extraction component of the rare earth flowed out from organic phase outlet 52 enters the second extraction
Take groove 7.In order that improving the effect of extraction, the second extraction tank 7 is stirred room five grades extraction groove using double, in the second extraction tank
The difficult extraction component of rare earth in 7 extraction tank and aqueous phase enters line replacement, and heavy metal is replaced by rare earth, is enriched in aqueous phase again
In, above-mentioned enrichment processing is repeated in the heavy metal aqueous phase of gained, draws after reaching more than 70g/L to concentration from the second extraction tank 7
Go out.70~80 DEG C are heated in settler 8 from the feed liquid containing heavy metal of the gained of the second extraction tank 7, is then slowly added into
Soda ash is reacted, and the control reaction time at 6~8 hours, the terminal pH of supernatant is controlled in the range of 10~10.5, then
Carry out standing clarification 1~2 hour, the carbonate after precipitation is put into vacuum suction filtration tank 9, is drained with vavuum pump, obtains heavy metal
Carbonate solid.
The invention crushes neodymium iron boron waste material using lapping device 2, recycles sour decomposer 3 to neodymium iron boron
Waste material carries out the excellent molten method processing of hydrochloric acid, and to obtain rare earth chloride liquid, extraction separation device 4 utilizes P507Phosphoric acid ester extractant pair
Rare earth chloride liquid carries out extract and separate to obtain the difficult extraction component of rare earth and heavy metal ion；First extraction tank 5 is the difficult extraction of rare earth
Component and heavy metal ion aqueous phase are discharged from different outlets respectively, and the difficult extraction component of rare earth enters the second extraction tank 7, heavy metal from
Sub- aqueous phase enters device for saponifying 6, and the heavy metal ion aqueous phase in device for saponifying 6 enters the second extraction tank 7, so in the second extraction
Heavy metal ion aqueous phase enters line replacement with the difficult extraction component of rare earth in groove 7, and heavy metal is cemented out by rare earth, so as to obtain heavy metal
Aqueous phase, heavy metal aqueous phase obtain heavy metal carbonate solid by settler 8 and the processing of vacuum suction filtration tank 9.The invention
Compared to traditional neodymium iron boron waste material resource reclaim technology, the recovery for increasing heavy metal uses, while after reducing in production technology
The treatment cost of continuous waste water, efficiently reduces the wasting of resources so as to realize, improves the utilization rate of resource.
Finally it should be noted that above example is only illustrating the technical scheme of the invention, rather than to this hair
It is bright create protection domain limitation, although being explained with reference to preferred embodiment to the invention, this area it is general
It is logical it will be appreciated by the skilled person that can be modified to the technical scheme of the invention or equivalent substitution, without departing from this
The spirit and scope of innovation and creation technical scheme.
Claims (10)
1. it is a kind of using saponification with extraction to reclaim the retracting device of heavy metal in neodymium iron boron waste material, it is characterised in that including with
In the lapping device that neodymium iron boron waste material is crushed, sour decomposer and extract and separate dress for the excellent molten method processing of hydrochloric acid
Put, the output end of lapping device connects the input of sour decomposer, the output end connection extraction separation device of sour decomposer
Input；The output end of extraction separation device is connected with the first extraction tank, and it includes organic phase outlet and raffinate outlet；Extraction
Extraction raffinate outlet is connected with device for saponifying, and the output end of device for saponifying is connected with the second extraction tank, and the second extraction tank, which is also connected with this, to be had
Machine mutually exports；The output end of second extraction tank is connected with settler and vacuum suction filtration tank in turn.
2. it is according to claim 1 it is a kind of using saponification with extraction with reclaim the recovery of heavy metal in neodymium iron boron waste material dress
Put, it is characterised in that the input of lapping device is connected with feeding system.
3. it is according to claim 2 it is a kind of using saponification with extraction with reclaim the recovery of heavy metal in neodymium iron boron waste material dress
Put, it is characterised in that feeding system includes loading hopper, support, carriage, conveyer belt and motor；Carriage is fixed on support
On, carriage connection conveyer belt, motor is fixed on carriage, motor driving conveying Tape movement；Carriage one end connection grinding dress
The input put, the other end are located at below the funnel hole of loading hopper.
4. it is according to claim 3 it is a kind of using saponification with extraction with reclaim the recovery of heavy metal in neodymium iron boron waste material dress
Put, it is characterised in that loading hopper is oscillatory type batch meter.
5. it is according to claim 1 it is a kind of using saponification with extraction with reclaim the recovery of heavy metal in neodymium iron boron waste material dress
Put, it is characterised in that the second extraction tank is stirred room multitple extraction groove to be double.
6. it is according to claim 5 it is a kind of using saponification with extraction with reclaim the recovery of heavy metal in neodymium iron boron waste material dress
Put, it is characterised in that the second extraction tank is stirred room five grades extraction groove to be double.
7. it is according to claim 1 it is a kind of using saponification with extraction with reclaim the recovery of heavy metal in neodymium iron boron waste material dress
Put, it is characterised in that device for saponifying includes the saponification groove and defecator being connected.
8. it is according to claim 7 it is a kind of using saponification with extraction with reclaim the recovery of heavy metal in neodymium iron boron waste material dress
Put, it is characterised in that defecator connects the second extraction tank.
9. a kind of according to claim 7 or 8 is using saponification with extraction to reclaim the recovery of heavy metal in neodymium iron boron waste material
Device, it is characterised in that saponification groove and defecator are equipped with cover plate.
10. it is according to claim 9 it is a kind of using saponification with extraction with reclaim the recovery of heavy metal in neodymium iron boron waste material dress
Put, it is characterised in that cover plate is provided with the dual layer water seal for avoiding organic phase from volatilizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720936914.8U CN207159298U (en) | 2017-07-31 | 2017-07-31 | It is a kind of using saponification with extraction to reclaim the retracting device of heavy metal in neodymium iron boron waste material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720936914.8U CN207159298U (en) | 2017-07-31 | 2017-07-31 | It is a kind of using saponification with extraction to reclaim the retracting device of heavy metal in neodymium iron boron waste material |
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| Publication Number | Publication Date |
|---|---|
| CN207159298U true CN207159298U (en) | 2018-03-30 |
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| CN201720936914.8U Expired - Fee Related CN207159298U (en) | 2017-07-31 | 2017-07-31 | It is a kind of using saponification with extraction to reclaim the retracting device of heavy metal in neodymium iron boron waste material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107236863A (en) * | 2017-07-31 | 2017-10-10 | 赣州市恒源科技股份有限公司 | A kind of utilization saponification is with extraction to reclaim the retracting device of heavy metal in neodymium iron boron waste material |
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2017
- 2017-07-31 CN CN201720936914.8U patent/CN207159298U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107236863A (en) * | 2017-07-31 | 2017-10-10 | 赣州市恒源科技股份有限公司 | A kind of utilization saponification is with extraction to reclaim the retracting device of heavy metal in neodymium iron boron waste material |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180330 |
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| CF01 | Termination of patent right due to non-payment of annual fee |