CN104741207B - A kind of method of dissimilar materials in separation non-crystaline amorphous metal - Google Patents
A kind of method of dissimilar materials in separation non-crystaline amorphous metal Download PDFInfo
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- CN104741207B CN104741207B CN201310746656.3A CN201310746656A CN104741207B CN 104741207 B CN104741207 B CN 104741207B CN 201310746656 A CN201310746656 A CN 201310746656A CN 104741207 B CN104741207 B CN 104741207B
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- dissimilar materials
- amorphous metal
- crystaline amorphous
- disintegrating machine
- structural member
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
- B02C23/12—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
Abstract
The invention discloses a kind of method for separating dissimilar materials in non-crystaline amorphous metal, wherein, this method includes：（1）Non-crystaline amorphous metal structural member with dissimilar materials is added into crusher in crushing and sieved；（2）Will be through step（1）Described in sieving obtain without dissimilar materials sift out material reclaim；（3）Will be through step（1）Described in obtained the being unscreened discharging with dissimilar materials of sieving return to the disintegrating machine；（4）Repeat step（1）‑（3）, untill the amount for being unscreened discharging with dissimilar materials is less than the minimum inventory of the disintegrating machine requirement；Wherein, the non-crystaline amorphous metal structural member with dissimilar materials contains non-crystaline amorphous metal and dissimilar materials, and the stretching plastic shape of the non-crystaline amorphous metal is changed into less than 1%, and the stretching plastic shape of the dissimilar materials is changed into more than 3%.This method, which can be realized effectively in separation non-crystaline amorphous metal, dissimilar materials and reclaims non-crystaline amorphous metal and safety simple to operate.
Description
Technical field
The present invention relates to a kind of method for separating dissimilar materials in non-crystaline amorphous metal.
Background technology
Amorphous alloy material has outstanding surface and mechanical performance, is used in communication field as structural member just rapid
Development.When the structural member of the communication tools such as mobile phone is combined with other parts, usually using dissimilar materials（I.e. in addition to non-crystaline amorphous metal
Other materials material, such as aluminium/copper/stainless steel）To realize threaded connection.But closed in amorphous of the processing with dissimilar materials
During golden structural member, due in structural member with the presence of dissimilar materials so that valuable non-crystaline amorphous metal is difficult to recycle, cause greatly
Waste.
The existing method for separating dissimilar materials in structural member is often the method and pressing of chemolysis.
The method of chemolysis is the differential responses to chemical agent using dissimilar materials and non-crystaline amorphous metal, by dissimilar materials
Separated with non-crystaline amorphous metal.But this method has consumption chemical medicinal liquid cost height, chemical medicinal liquid has pollution effect to environment, after
The problems such as continuing the processing difficulty for scrapping chemical medicinal liquid.
Pressing is directed at dissimilar materials for the structural member part with dissimilar materials is placed on mould using punching machine mold
Dissimilar materials is gone out in position.There is die cost height in this method, single operation efficiency is low and there is personal safety using punch press
The defects such as risk.
As can be seen here, in order to preferably reclaim the non-crystaline amorphous metal in the structural member with dissimilar materials, it is necessary to it is new it is efficient,
The method of dissimilar materials in the separation non-crystaline amorphous metal of environmental protection.
The content of the invention
The invention aims to overcome the non-crystaline amorphous metal reclaimed in the prior art in the structural member with dissimilar materials
There is provided a kind of method for separating dissimilar materials in non-crystaline amorphous metal for the defect of presence.
To achieve these goals, the present invention provides a kind of method for separating dissimilar materials in non-crystaline amorphous metal, wherein, the party
Method includes：（1）Non-crystaline amorphous metal structural member with dissimilar materials is added into crusher in crushing and sieved；（2）Will be through step（1）In
What the sieving was obtained reclaims without the material that sifts out of dissimilar materials；（3）Will be through step（1）Described in sieving obtain with different
The discharging of being unscreened of material returns to the disintegrating machine；（4）Repeat step（1）-（3）, until being unscreened discharging with dissimilar materials
Amount be less than the disintegrating machine requirement minimum inventory untill；Wherein, the non-crystaline amorphous metal structural member with dissimilar materials
Containing non-crystaline amorphous metal and dissimilar materials, the stretching plastic shape of the non-crystaline amorphous metal is changed into less than 1%, the stretching of the dissimilar materials
Plastic deformation is more than 3%.
By the method that provides of the present invention, it can effectively realize in separation non-crystaline amorphous metal dissimilar materials and reclaim amorphous conjunction
Gold.The method safety simple to operate of the present invention, technological process is short and without any excess loss, and cost is low, easily realizes scale
Production.And it is environmentally friendly without the discharge such as discarded object or nuisance, waste water in implementation process of the present invention.
Other features and advantages of the present invention will be described in detail in subsequent embodiment part.
Embodiment
The embodiment to the present invention is described in detail below.It should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The present invention provides a kind of method for separating dissimilar materials in non-crystaline amorphous metal, wherein, this method includes：（1）It will carry
The non-crystaline amorphous metal structural member of dissimilar materials adds crusher in crushing and sieved；（2）Will be through step（1）Described in sieve and obtain not
The material that sifts out with dissimilar materials is reclaimed；（3）Will be through step（1）Described in sieving obtain be unscreened discharging with dissimilar materials
Return to the disintegrating machine；（4）Repeat step（1）-（3）, until the amount for being unscreened discharging with dissimilar materials is less than described crush
Untill the confidential minimum inventory asked；Wherein, the non-crystaline amorphous metal structural member with dissimilar materials contains non-crystaline amorphous metal and different
Material, the stretching plastic shape of the non-crystaline amorphous metal is changed into less than 1%, and the stretching plastic shape of the dissimilar materials is changed into more than 3%；
It is preferred that the stretching plastic shape of the non-crystaline amorphous metal is changed into less than 0.4%, the stretching plastic shape of the dissimilar materials is changed into more than 4%.
The method for controlling hole diameter of sieve (perforated) plate when the present invention is using repeatedly broken and combination sieving, realizes and separates in non-crystaline amorphous metal
Dissimilar materials, and the non-crystaline amorphous metal of costliness can be reclaimed from broken material.Non-crystaline amorphous metal has different stretchings to mould from dissimilar materials
Property deformation, change in size each broken between non-crystaline amorphous metal and dissimilar materials is different in shattering process, the broken block of formation
Size can be different, can separate non-crystaline amorphous metal and dissimilar materials with reference to appropriate screening.
, according to the invention it is preferred in the case of, the aperture of the sieve plate used during the sieving is the diameter of the dissimilar materials
50%-110%.Preferably, the aperture of the sieve plate used during the sieving is the 85%-98% of the diameter of the dissimilar materials.Most
Preferably 98%.In the present invention, step（1）Described in crush after obtained broken material Size Distribution do not know, but due to heterogeneous material
Material is generally the material of machinable, and plasticity is big, through it is described it is broken will not size diminish, can cause on the contrary because of plastic deformation
Size have it is a certain degree of become big, can so obtain that sieve plate is sieved through, broken size is less than hole diameter of sieve (perforated) plate, no by the sieving
Non-crystaline amorphous metal with dissimilar materials sifts out material, and stays on sieve plate, crushes size more than hole diameter of sieve (perforated) plate, with dissimilar materials
Be unscreened discharging.If the aperture of sieve plate is more than the 110% of the diameter of dissimilar materials, dissimilar materials can be caused easily to mix and sifted out
In thing；, may the broken number of times of increase, influence the inventive method if the aperture of sieve plate is less than the 50% of the diameter of dissimilar materials
Efficiency, and too small non-crystaline amorphous metal material also adversely affects to recycling.Wherein, a diameter of heterogeneous material of dissimilar materials
Expect length minimum in three-dimensional dimension.The diameter of the dissimilar materials refer to dissimilar materials be broken before diameter.
In the present invention, differ through primary fragmentation and be surely kept completely separate non-crystaline amorphous metal with dissimilar materials, will can not sift out
Material repeats step in method of the invention（1）-（4）Described crushes and sieves, and realizes that reclaiming amorphous as much as possible closes
Gold, improves the rate of recovery of non-crystaline amorphous metal.The size that generation will be crushed is more than hole diameter of sieve (perforated) plate, is unscreened discharging with dissimilar materials
Again disintegrating machine is sent back to.With multiplicating, it is unscreened discharging and gradually decreases, in the present invention, is crushed when the amount for being unscreened discharging is less than
During the minimum inventory that machine itself is limited, the crushing effect of disintegrating machine can be reduced substantially, and benefit will not had by repeatedly crushing and sieving,
The method of the present invention can be terminated.
According to the present invention, the disintegrating machine can be so that there is no particular limitation, under preferable case, and the disintegrating machine is selected from circle
Cone crusher, fixed hammer mill, swing hammer crusher, impact crusher, impact breaker and jaw crusher
In one kind or they combine compound crusher.Compound crusher of such as fixed hammer with strikeing back combination of being marred by a scar, etc..
, according to the invention it is preferred in the case of, select disintegrating machine charge door length and width respectively with dissimilar materials
The length of non-crystaline amorphous metal structural member and wide ratio are 1.5-4.5:1.If ratio is too small, influence charging rate, and break off
Expect that size is too thin, subsequent recovery process is more difficult；If ratio is too big, the material size broken off is too big, two kinds of unlike materials
Separating effect is poor.Specifically, referred to herein as by the length of the charge door of disintegrating machine with dissimilar materials non-crystaline amorphous metal structure
The length of part is compared, and ratio is 1.5-4.5:1；Equally, by the width of the charge door of disintegrating machine and the amorphous with dissimilar materials
The width of alloy structure part is compared, and ratio is also 1.5-4.5:1.Wherein, non-crystaline amorphous metal structural member with dissimilar materials
Minimum two in the long and wide three-dimensional dimension for referring to the structural member, i.e., the structural member can be made smoothly to send into the charging of disintegrating machine
Mouthful.
, according to the invention it is preferred in the case of, the feeding quantity of the non-crystaline amorphous metal structural member with dissimilar materials can be
The disintegrating machine allows 20 weight %-50 weight % of maximum feeding quantity.The method of the present invention can take continuous dosing, can be true
Protect between the non-crystaline amorphous metal structural member with dissimilar materials to be broken, have foot between structural member and cataclasitlc structure or disintegrating machine wall
Enough impulsive forces or extruding force, it is ensured that crushing effect.If it is too many to feed intake, structural member to be broken does not have space by enough
Impact grinding；If fed intake very little, structural member to be broken fall during feeding intake it is too fast, crushing effect be deteriorated.
In the present invention, step（4）Described in be unscreened the amount and the minimum inventory of discharging and each mean weight.It is wherein described
Minimum inventory can be the disintegrating machine used in order to effectively be crushed, to minimum required by the material to be broken of addition
Amount, can be determined according to the design requirement of specifically used disintegrating machine.
, according to the invention it is preferred in the case of, the outlet of the disintegrating machine can have filter screen, and the aperture of the filter screen is described
The 105%-120% of the diameter of dissimilar materials.
According to the present invention, the non-crystaline amorphous metal can be so that there is no particular limitation.Under preferable case, the non-crystaline amorphous metal is zirconium
Based alloy, titanium-base alloy or magnesium base alloy.
, according to the invention it is preferred in the case of, the dissimilar materials of copper, aluminium or iron by being made up.The spiral shell that such as brass is made
It is female.
The present invention will be described in detail by way of examples below.
Embodiment 1
The present embodiment is used for the method for separating dissimilar materials in non-crystaline amorphous metal for illustrating the present invention.
The zirconium-base amorphous alloy structural member 27kg of 8 brass nuts be would be embedded with as material to be broken, nut and amorphous is carried out
Alloy is separated.The stretching plastic shape strain of zirconium-base amorphous alloy is 0.1%, and the stretching plastic shape of brass is changed into 4%.The diameter of nut
For 0.40cm.
Compound crusher from fixed hammer with strikeing back combination of being marred by a scar, etc.（Zhengzhou Tongjiang Machinery Manufacturing Co., Ltd.,
PFL1000 types）, the maximum inventory of equipment is 5kg, and there is filter screen disintegrating machine outlet, and the aperture of filter screen is 0.35cm.Open broken
Broken machine, disintegrating machine is continuously added to by 0.5kg material to be broken.The first round, add within 5 minutes and expect and broken completion, sieving, sieve plate
Aperture is 0.35cm；Crush and sieve 5 times more than repeating altogether, finally receive to obtain amorphous reclaimed materials 21.6kg, copper nut 3.5kg, remain
To be broken material of the remaining 1.6kg with nut.Used time amounts to 90 minutes, the rate of recovery：80%.
Embodiment 2
The present embodiment is used for the method for separating dissimilar materials in non-crystaline amorphous metal for illustrating the present invention.
The titanium-based amorphous alloy structural member 22.41kg of 8 brass nuts be would be embedded with as material to be broken, carry out nut with it is non-
Peritectic alloy is separated.The stretching plastic shape strain of titanium-based amorphous alloy is 0.3%, and the stretching plastic shape of brass is changed into 4%.Nut it is straight
Footpath is 0.40cm.
Compound crusher from fixed hammer with strikeing back combination of being marred by a scar, etc.（Zhengzhou Tongjiang Machinery Manufacturing Co., Ltd.,
PFL1000 types）, the maximum inventory of equipment is 5kg, and there is filter screen disintegrating machine outlet, and the aperture of filter screen is 0.35cm.Open broken
Broken machine, disintegrating machine is continuously added to by 0.40kg material to be broken.The first round, add within 5 minutes and expect and broken completion, sieving, sieve plate
Aperture be 0.35cm；Crush and sieve 5 times more than repeating altogether, finally receive to obtain amorphous reclaimed materials 17.48kg, copper nut 3.5kg,
To be broken material of the remaining 1.43kg with nut.Used time amounts to 90 minutes, the rate of recovery：78%.
Embodiment 3
The present embodiment is used for the method for separating dissimilar materials in non-crystaline amorphous metal for illustrating the present invention.
The cu-based amorphous alloys structural member 26.4kg of 8 brass nuts be would be embedded with as material to be broken, carry out nut with it is non-
Peritectic alloy is separated.The stretching plastic shape strain of cu-based amorphous alloys is 0.4%, and the stretching plastic shape of brass is changed into 4%.Nut it is straight
Footpath is 0.40cm.
Compound crusher from fixed hammer with strikeing back combination of being marred by a scar, etc.（Zhengzhou Tongjiang Machinery Manufacturing Co., Ltd.,
PFL1000 types）, the maximum inventory of equipment is 5kg, and there is filter screen disintegrating machine outlet, and the aperture of filter screen is 0.35cm.Open broken
Broken machine, disintegrating machine is continuously added to by 0.5kg material to be broken.The first round, add within 5 minutes and expect and broken completion, sieving, sieve plate
Aperture is 0.35cm；Crush and sieve 5 times more than repeating altogether, finally receive to obtain amorphous reclaimed materials 20.8kg, copper nut 3.5kg, remain
To be broken material of the remaining 2.1kg with nut.Used time amounts to 90 minutes, the rate of recovery：78.8%.
Comparative example 1
The zirconium-base amorphous alloy structural member 20kg of 8 brass nuts be would be embedded with as material to be separated, nut and amorphous is carried out
Alloy is separated.
Handled using chemolysis method：20 kilograms of products are entered in plastic cement tank, 120 liters of Strong oxdiative is fully immersed in
Liquid medicine（Nitric acid+the concentrated sulfuric acid）In.With liquid medicine vigorous reaction occurs for brass nut, releases the pungent gas of yellow, dissolving is in the solution.
And non-crystaline amorphous metal is protected due to passivation, do not react.After 30 minutes, by the non-crystaline amorphous metal not reacted from plastic cement tank
It is middle to take out, and rinsed three times with clear water, baking oven is released after draining the water, 92 DEG C are dried 60 minutes, and zirconium-base amorphous alloy is reclaimed altogether
16.6kg, the rate of recovery is 83%.Brass is all dissolved as liquation.Strong oxdiative liquid medicine 3kg is consumed, clear water rinsing produces spent acidic
45 liters of water.
Comparative example 2
The zirconium-base amorphous alloy structural member 20kg of 8 brass nuts be would be embedded with as material to be separated, nut and amorphous is carried out
Alloy is separated, 833 altogether.
40 tons of punch presses are used using mould punching method（Shanghai No.2 Machine Tool Factory, T23-40A）One processing, the cross rate of mould one
Value RMB8000 members.Punching press separation nut, one time-consuming 22 seconds, amounts to time-consuming 306 minutes, withdraws product 16.6kg, the rate of recovery
For：83%.Withdraw brass nut 3.3kg.
Can be seen that the method for the invention provided from embodiment 1-3 and comparative example 1-2 experimental result can realize
Dissimilar materials in effect separation non-crystaline amorphous metal, and it is simple to operate, without extra loss and easy large-scale production.Compare
The chemical dissolution method of comparative example 1 has more environment friendly and pollution-free beneficial effect.Pressing compared to comparative example 2 has more saving mould
Has the beneficial effect that cost eliminates operating personnel's safety in production hidden danger.
Claims (10)
1. a kind of method for separating dissimilar materials in non-crystaline amorphous metal, it is characterised in that this method includes：
（1）Non-crystaline amorphous metal structural member with dissimilar materials is added into crusher in crushing and sieved；
（2）Will be through step（1）Described in sieving obtain without dissimilar materials sift out material reclaim；
（3）Will be through step（1）Described in obtained the being unscreened discharging with dissimilar materials of sieving return to the disintegrating machine；
（4）Repeat step（1）-（3）, until the amount for being unscreened discharging with dissimilar materials is less than the minimum of the disintegrating machine requirement
Untill inventory；
Wherein, the non-crystaline amorphous metal structural member with dissimilar materials contains non-crystaline amorphous metal and dissimilar materials, the non-crystaline amorphous metal
Stretching plastic shape be changed into less than 1%, the stretching plastic shape of the dissimilar materials is changed into more than 3%.
2. according to the method described in claim 1, wherein, the stretching plastic shape of the non-crystaline amorphous metal is changed into less than 0.4%, described
The stretching plastic shape of dissimilar materials is changed into more than 4%.
3. according to the method described in claim 1, wherein, the aperture of the sieve plate used during the sieving is the dissimilar materials
The 50%-110% of diameter.
4. method according to claim 3, wherein, the aperture of the sieve plate used during the sieving is the dissimilar materials
The 85%-98% of diameter.
5. according to the method described in claim 1, wherein, the non-crystaline amorphous metal be zirconium-base alloy, titanium-base alloy or magnesium base alloy.
6. according to the method described in claim 1, wherein, the feeding quantity of the non-crystaline amorphous metal structural member with dissimilar materials is
The disintegrating machine allows 20 weight %-50 weight % of maximum feeding quantity.
7. according to the method described in claim 1, wherein, the disintegrating machine is selected from cone crusher, fixed hammer crushing
One kind in machine, swing hammer crusher, impact crusher, impact breaker and jaw crusher or they combine it is compound
Formula disintegrating machine.
8. method according to claim 7, wherein, there is filter screen the outlet of the disintegrating machine, and the aperture of the filter screen is institute
State the 105%-120% of the diameter of dissimilar materials.
9. according to the method described in claim 1, wherein, select disintegrating machine charge door length and width respectively with heterogeneous material
The length of the non-crystaline amorphous metal structural member of material and wide ratio are 1.5-4.5:1.
10. according to the method described in claim 1, wherein, the dissimilar materials of copper, aluminium or iron by being made up.
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| CN1418131A (en) * | 2000-02-25 | 2003-05-14 | 技术出口公司 | Method and apparatus for separating material |
| CN101367084A (en) * | 2008-08-18 | 2009-02-18 | 南京东南铜业有限公司 | Process for recycling and manufacturing copper granule from waste and old electric wire and cable |
| CN102172556A (en) * | 2010-12-07 | 2011-09-07 | 东北大学 | High-pressure roller milling-preselection processing method for vanadic titanomagnetite |
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2013
- 2013-12-30 CN CN201310746656.3A patent/CN104741207B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19715889C2 (en) * | 1997-04-16 | 2001-02-22 | Willibald Gmbh Maschinenfabrik | Screening device for attachment to primarily mobile shredding devices for organic waste materials |
| CN1418131A (en) * | 2000-02-25 | 2003-05-14 | 技术出口公司 | Method and apparatus for separating material |
| CN101367084A (en) * | 2008-08-18 | 2009-02-18 | 南京东南铜业有限公司 | Process for recycling and manufacturing copper granule from waste and old electric wire and cable |
| CN102172556A (en) * | 2010-12-07 | 2011-09-07 | 东北大学 | High-pressure roller milling-preselection processing method for vanadic titanomagnetite |
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