CN106891454A - The recovery process of ABS plastic in a kind of waste electroplating part - Google Patents
The recovery process of ABS plastic in a kind of waste electroplating part Download PDFInfo
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- CN106891454A CN106891454A CN201710200666.5A CN201710200666A CN106891454A CN 106891454 A CN106891454 A CN 106891454A CN 201710200666 A CN201710200666 A CN 201710200666A CN 106891454 A CN106891454 A CN 106891454A
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- abs plastic
- abs
- electroplating part
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- recovery process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
- B29B2017/0203—Separating plastics from plastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
- B29B2017/0213—Specific separating techniques
- B29B2017/0217—Mechanical separating techniques; devices therefor
- B29B2017/0237—Mechanical separating techniques; devices therefor using density difference
- B29B2017/0244—Mechanical separating techniques; devices therefor using density difference in liquids
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a kind of recovery process of ABS plastic in waste electroplating part, including the steps, step 1：It is broken：The waste electroplating part that will be reclaimed is through disintegrating machine shearing-crushing；Step 2：Peel off：Waste electroplating part after broken is 2 according to solid-liquid quality parts ratio：3 ratio is put into nitration mixture kettle, is then passed to air and is aoxidized under conditions of 60 ~ 70 DEG C, until metal completely disengages from ABS；Step 3：Separate ABS plastic and PC：Separation draws the PC of lower floor and the ABS plastic layer on upper strata during the ABS of coating of decorporating is added into strong brine groove, and PC layers of the ABS plastic layer on upper strata and lower floor is collected and be dehydrated respectively；Step 4：Separate ABS plastic and PP：The ABS that PC will be isolated continuously adds the ABS plastic layer of PP layers of isolated upper strata in clear water reserviors and lower floor, ABS plastic layer and PP layers is collected respectively and is dehydrated.ABS plastic is separated with PC, PP using the difference of density, the ABS plastic purity of generation will be higher, the quality more high-quality when being utilized after recovery.
Description
Technical field
The present invention relates to ABS recycling fields, the recovery process of ABS plastic in more particularly to a kind of waste electroplating part.
Background technology
As the sales volume of China's automobile and electronic product is significantly increased, learies are also rising year by year, these are superseded
Contain substantial amounts of ABS plastic plated item in product, relative to common plasticses, substantial amounts of metal is also contained in these plated items, it is right
Environmental pollution is more serious.Therefore, realize that the harmless treatment to ABS plastic plated item, recovery and utilization can give environment band
Carry out very big protection, and can also economize on resources.
Notification number discloses a kind of acrylonitrile-butadiene-styrene (ABS) plastic electroplating for the Chinese patent of CN 102534222B
The recovery method of part, the method includes：Broken, strip, recovery ABS plastic, reduction chromium, electroreduction copper, evaporation and concentration chlorine processed
Change nickel.
Realized the recovery of copper, chromium and ABS plastic in the recovery method, but can also in ABS plastic in practice
In the presence of a small amount of PC and PP, the fat melting reduction of the plastics that the PC for containing can make so that the poor fluidity of ABS plastic, be hardened, become
It is crisp, and the addition of PP can cause that ABS plastic surface produces tiny crackle, unsightly, so also needed to a kind of method can
PC and PP in ABS is separated.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide in a kind of waste electroplating part ABS plastic return
Knock off skill, the recovery process can be separated the PC and PP in ABS plastic, and the ABS plastic purity of recovery is higher.
Above-mentioned technical purpose of the invention technical scheme is that：
The recovery process of ABS plastic in a kind of waste electroplating part, including the steps,
Step 1：It is broken：The waste electroplating part that will be reclaimed is through disintegrating machine shearing-crushing；
Step 2：Peel off：Waste electroplating part after broken is 2 according to solid-liquid quality parts ratio：3 ratio is put into nitration mixture kettle, so
After be passed through air and aoxidized under conditions of 60~70 DEG C, until metal completely disengages from ABS；
Step 3：Separate ABS plastic and PC：The ABS of coating of decorporating is added to separate in strong brine groove the PC for drawing lower floor and
The ABS plastic layer on upper strata, PC layers of the ABS plastic layer on upper strata and lower floor is collected and is dehydrated respectively；
Step 4：Separate ABS plastic and PP：The ABS plastic that PC will be isolated continuously adds the PP on isolated upper strata in clear water reserviors
The ABS plastic layer of layer and lower floor, collects ABS plastic layer and PP layers and is dehydrated respectively.
By above-mentioned technical proposal, the process of the waste electroplating part of recovery through shredding enables to the volume of waste electroplating part to become
It is small, then with the contact area of nitration mixture when can increase stripping, the speed peeled off is improved, and in crushing stage it is also possible that gold
Category and nonmetallic initial gross separation, then can carry out strip in nitration mixture to the metal in waste electroplating part, be then able to gold
Category layer and plastic layer are separated；Then when ABS plastic is separated with PC, because the density of PC is more than salt solution, so PC will sink
In the bottom of salt solution, and the density of the ABS plastic of PC is free of less than salt solution, then will float on the surface of salt solution, then both are with regard to energy
Enough separate；And also contain a small amount of PP in the ABS plastic now separated, so the ABS plastic that will be isolated continues to add
To enter separated in clear water, then, less than the density of water, and the density of ABS plastic is more than the density of water, then ABS modelings for the density of PP
In bottom, PP is separated material in upper strata, the PC being so achieved that in ABS with PP, during the ABS plastic for obtaining is used to produce
Quality high-quality.
The present invention is further arranged to：The ABS plastic collected in step 4 selects dark color successively through color selector color sorting
ABS, pure white ABS and colour mixture ABS.
By above-mentioned technical proposal, by separating ABS and PC, ABS plastic is separated and plastics that the process of PP finally draws
It is more pure ABS plastic, but toner is often added during the use of its tangible ABS plastic, then ABS plastic will
There are different colors, so can be scatter using color selector, for can directly utilizing for white, and it is black, greyish white
The ABS plastic of color is used after desolventing technology.
The present invention is further arranged to：It is straight to addition sodium hypochlorite in nitration mixture kettle when coating in step 2 peels off not thorough
It is complete to peeling off.
By above-mentioned technical proposal, the sodium hypochlorite of addition has stronger oxidisability, can further aoxidize electrodeposited coating,
Dissolve electrodeposited coating and expose ABS layer.
The present invention is further arranged to：Temperature in step 2 is passed through hot-air when too low, cold air is passed through when temperature is too high
Regulation system temperature is to 60~70 DEG C.
By above-mentioned technical proposal, although because nickel can be with acid reaction, reaction speed is slower under normal temperature, so rising
High-temperature can increase the speed of oxidation, and the speed ratio of electrodeposited coating of being decorporated in the temperature range is very fast.
The present invention is further arranged to：Nitration mixture selection mass fraction ratio in step 2 is 1：The hydrochloric acid and sulfuric acid of (3~4)
Mixing.
By above-mentioned technical proposal, the nitration mixture of nitration mixture selection hydrochloric acid and sulfuric acid can avoid the acidity of nitric acid and sulfuric acid nitration mixture
The corrosion phenomenon of the too strong equipment for causing and ABS, wherein hydrochloric acid can be with copper reaction generation copper chlorides, and nickel also can be anti-with acid
Should, and after strip GOLD FROM PLATING SOLUTION category with separate out metal reach mutually balance, produce chlorine with consumption chlorine reach mutually
Balance, had both ensured the stabilization of working solution composition in each operation, the chlorine in solution is not spilt over again, it is ensured that the demand of strip.
The present invention is further arranged to：Salt selection industrial chlorinations sodium in strong brine in step 3.
By above-mentioned technical proposal, due to containing chlorion in the component when electrodeposited coating is peeled off, so selective chlorination sodium energy
Enough reduce the amount of remaining impurity.
The present invention is further arranged to：The sodium chloride is (14~15) with the proportion of water：1.
By above-mentioned technical proposal, the relative density of PC is 1.2, and selective chlorination sodium is 14~15 with the proportion of water:1, then
Preferably PC can be separated with the ABS plastic containing PP.
The present invention is further arranged to：Through the waste electroplating part of crusher in crushing in step 1, go out to collect through screw rod transmission.
The present invention is further arranged to：The ABS of the electrodeposited coating of decorporating in step 3 is through screw rod transmission to strong brine pond.
The present invention is further arranged to：ABS plastic after being dehydrated in step 4 is added to color sorting after screw rod transmission to pipeline
In machine.
By above-mentioned technical proposal, through Screw Extrusion during can be preliminary by one to ABS or plastics
Well mixed, then conveying either after broken, the conveying before the conveying of electrodeposited coating of decorporating and color sorting enables to material
Well mixed, then the ratio for being processed when being for further processing is more thoroughly.
In sum, having the beneficial effect that in contrast to prior art of the invention：
1st, ABS plastic and PC, PP are separated using the difference of density, then the ABS plastic purity for generating will be higher, is being returned
Quality more high-quality when being utilized after receipts；
2nd, processed using the nitration mixture of hydrochloric acid and sulfuric acid, can be avoided using setting that the mixing of nitric acid and sulfuric acid or hydrochloric acid is caused
The corrosion phenomenon of standby and ABS, then than more complete in isolated ABS structure；
3rd, screw rod transmission is selected during charging or conveying, preliminary mixing has been carried out to material during conveying,
The degree of material treatment will be than more uniform.
Specific embodiment
The present invention is described in further detail with reference to embodiments.
ABS in step 2 refers to the alloy containing ABS, PC, PP, the ABS plastic after PC is detached in step 3 refers to and contain
The plastics of ABS, PP, the plastics that PP is isolated in step 4 are essentially pure ABS.
Embodiment 1
The recovery process of ABS plastic in a kind of waste electroplating part, including the steps,
Step 1：It is broken：The waste electroplating part that will be reclaimed is through disintegrating machine shearing-crushing；
Step 2：Peel off：Waste electroplating part after broken is 2 according to solid-liquid quality parts ratio：3 ratio is put into nitration mixture kettle, is mixed
Acid selection mass fraction ratio is 1：The mixing of 3 hydrochloric acid and sulfuric acid, then passes to air and is aoxidized under conditions of 60 DEG C, temperature
Hot-air is passed through when spending low, cold air regulation system temperature to 60 DEG C is passed through when temperature is too high, until metal completely disengages from ABS
Alloy, when coating peel off it is not thorough when to nitration mixture kettle in add sodium hypochlorite processed；
Step 3：Separate ABS plastic and PC：The ABS of coating of decorporating is added to separate in strong brine groove the PC for drawing lower floor and
The ABS plastic layer on upper strata, PC layers of the ABS plastic layer on upper strata and lower floor is collected and is dehydrated, wherein the salt in strong brine respectively
Selection industrial chlorinations sodium, sodium chloride is 14 with the proportion of water：1；Step 4：Separate ABS plastic and PP：The ABS modelings of PC will be isolated
Material continuously adds PP layers of isolated upper strata in clear water reserviors and the ABS plastic layer of lower floor, and ABS plastic layer and PP layers are collected respectively
And be dehydrated, the ABS plastic of collection selects dark ABS, pure white ABS and colour mixture ABS successively through color selector color sorting.
Embodiment 2
The recovery process of ABS plastic in a kind of waste electroplating part, embodiment 2 and temperature, nitration mixture that the difference of embodiment 1 is stripping
Mass fraction than, sodium chloride and the difference of the proportion of water.
Step 1：It is broken：The waste electroplating part that will be reclaimed is through disintegrating machine shearing-crushing；
Step 2：Peel off：Waste electroplating part after broken is 2 according to solid-liquid quality parts ratio：3 ratio is put into nitration mixture kettle, is mixed
Acid selection mass fraction ratio is 1：The mixing of 3.2 hydrochloric acid and sulfuric acid, then passes to air and is aoxidized under conditions of 62 DEG C,
Hot-air is passed through when temperature is too low, cold air regulation system temperature to 62 DEG C is passed through when temperature is too high, until metal is completely disengaged from
ABS, when coating peel off it is not thorough when to nitration mixture kettle in add sodium hypochlorite processed；
Step 3：Separate ABS plastic and PC：The ABS of coating of decorporating is added to separate in strong brine groove the PC for drawing lower floor and
The ABS plastic layer on upper strata, PC layers of the ABS plastic layer on upper strata and lower floor is collected and is dehydrated, wherein the salt in strong brine respectively
Selection industrial chlorinations sodium, sodium chloride is 14.2 with the proportion of water：1；Step 4：Separate ABS plastic and PP：The ABS of PC will be isolated
Plastics continuously add PP layers of isolated upper strata in clear water reserviors and the ABS plastic layer of lower floor, and ABS plastic layer and PP are collected respectively
Layer is simultaneously dehydrated, and the ABS plastic of collection selects dark ABS, pure white ABS and colour mixture ABS successively through color selector color sorting.
Embodiment 3
The recovery process of ABS plastic in a kind of waste electroplating part, embodiment 3 and temperature, nitration mixture that the difference of embodiment 1 is stripping
Mass fraction than, sodium chloride and the difference of the proportion of water.
Step 1：It is broken：The waste electroplating part that will be reclaimed is through disintegrating machine shearing-crushing；
Step 2：Peel off：Waste electroplating part after broken is 2 according to solid-liquid quality parts ratio：3 ratio is put into nitration mixture kettle, is mixed
Acid selection mass fraction ratio is 1：The mixing of 3.4 hydrochloric acid and sulfuric acid, then passes to air and is aoxidized under conditions of 64 DEG C,
Hot-air is passed through when temperature is too low, cold air regulation system temperature to 64 DEG C is passed through when temperature is too high, until metal is completely disengaged from
ABS, when coating peel off it is not thorough when to nitration mixture kettle in add sodium hypochlorite processed；
Step 3：Separate ABS plastic and PC：The ABS of coating of decorporating is added to separate in strong brine groove the PC for drawing lower floor and
The ABS plastic layer on upper strata, PC layers of the ABS plastic layer on upper strata and lower floor is collected and is dehydrated, wherein the salt in strong brine respectively
Selection industrial chlorinations sodium, sodium chloride is 14.4 with the proportion of water：1；Step 4：Separate ABS plastic and PP：The ABS of PC will be isolated
Plastics continuously add PP layers of isolated upper strata in clear water reserviors and the ABS plastic layer of lower floor, and ABS plastic layer and PP are collected respectively
Layer is simultaneously dehydrated, and the ABS plastic of collection selects dark ABS, pure white ABS and colour mixture ABS successively through color selector color sorting.
Embodiment 4
The recovery process of ABS plastic in a kind of waste electroplating part, embodiment 4 and temperature, nitration mixture that the difference of embodiment 1 is stripping
Mass fraction than, sodium chloride and the difference of the proportion of water.
Step 1：It is broken：The waste electroplating part that will be reclaimed is through disintegrating machine shearing-crushing；
Step 2：Peel off：Waste electroplating part after broken is 2 according to solid-liquid quality parts ratio：3 ratio is put into nitration mixture kettle, is mixed
Acid selection mass fraction ratio is 1：The mixing of 3.6 hydrochloric acid and sulfuric acid, then passes to air and is aoxidized under conditions of 66 DEG C,
Hot-air is passed through when temperature is too low, cold air regulation system temperature to 66 DEG C is passed through when temperature is too high, until metal is completely disengaged from
ABS, when coating peel off it is not thorough when to nitration mixture kettle in add sodium hypochlorite processed；
Step 3：Separate ABS plastic and PC：The ABS of coating of decorporating is added to separate in strong brine groove the PC for drawing lower floor and
The ABS plastic layer on upper strata, PC layers of the ABS plastic layer on upper strata and lower floor is collected and is dehydrated, wherein the salt in strong brine respectively
Selection industrial chlorinations sodium, sodium chloride is 14.6 with the proportion of water：1；Step 4：Separate ABS plastic and PP：The ABS of PC will be isolated
Plastics continuously add PP layers of isolated upper strata in clear water reserviors and the ABS plastic layer of lower floor, and ABS plastic layer and PP are collected respectively
Layer is simultaneously dehydrated, and the ABS plastic of collection selects dark ABS, pure white ABS and colour mixture ABS successively through color selector color sorting.
Embodiment 5
The recovery process of ABS plastic in a kind of waste electroplating part, embodiment 5 and temperature, nitration mixture that the difference of embodiment 1 is stripping
Mass fraction than, sodium chloride and the difference of the proportion of water.
Step 1：It is broken：The waste electroplating part that will be reclaimed is through disintegrating machine shearing-crushing；
Step 2：Peel off：Waste electroplating part after broken is 2 according to solid-liquid quality parts ratio：3 ratio is put into nitration mixture kettle, is mixed
Acid selection mass fraction ratio is 1：The mixing of 3.8 hydrochloric acid and sulfuric acid, then passes to air and is aoxidized under conditions of 68 DEG C,
Hot-air is passed through when temperature is too low, cold air regulation system temperature to 68 DEG C is passed through when temperature is too high, until metal is completely disengaged from
ABS, when coating peel off it is not thorough when to nitration mixture kettle in add sodium hypochlorite processed；
Step 3：Separate ABS plastic and PC：The ABS of coating of decorporating is added to separate in strong brine groove the PC for drawing lower floor and
The ABS plastic layer on upper strata, PC layers of the ABS plastic layer on upper strata and lower floor is collected and is dehydrated, wherein the salt in strong brine respectively
Selection industrial chlorinations sodium, sodium chloride is 14.8 with the proportion of water：1；Step 4：Separate ABS plastic and PP：The ABS of PC will be isolated
Plastics continuously add PP layers of isolated upper strata in clear water reserviors and the ABS plastic layer of lower floor, and ABS plastic layer and PP are collected respectively
Layer is simultaneously dehydrated, and the ABS plastic of collection selects dark ABS, pure white ABS and colour mixture ABS successively through color selector color sorting.
Embodiment 6
The recovery process of ABS plastic in a kind of waste electroplating part, embodiment 6 and temperature, nitration mixture that the difference of embodiment 1 is stripping
Mass fraction than, sodium chloride and the difference of the proportion of water.
Step 1：It is broken：The waste electroplating part that will be reclaimed is through disintegrating machine shearing-crushing；
Step 2：Peel off：Waste electroplating part after broken is 2 according to solid-liquid quality parts ratio：3 ratio is put into nitration mixture kettle, is mixed
Acid selection mass fraction ratio is 1：The mixing of 4 hydrochloric acid and sulfuric acid, then passes to air and is aoxidized under conditions of 70 DEG C, temperature
Hot-air is passed through when spending low, cold air regulation system temperature to 70 DEG C is passed through when temperature is too high, until metal completely disengages from ABS
Alloy, when coating peel off it is not thorough when to nitration mixture kettle in add sodium hypochlorite processed；
Step 3：Separate ABS plastic and PC：The ABS of coating of decorporating is added to separate in strong brine groove the PC for drawing lower floor and
The ABS plastic layer on upper strata, PC layers of the ABS plastic layer on upper strata and lower floor is collected and is dehydrated, wherein the salt in strong brine respectively
Selection industrial chlorinations sodium, sodium chloride is 15 with the proportion of water：1；Step 4：Separate ABS plastic and PP：The ABS modelings of PC will be isolated
Material continuously adds PP layers of isolated upper strata in clear water reserviors and the ABS plastic layer of lower floor, and ABS plastic layer and PP layers are collected respectively
And be dehydrated, the ABS plastic of collection selects dark ABS, pure white ABS and colour mixture ABS successively through color selector color sorting.
Experiment detection, will contain the ABS plastic that mass fraction is 82%, the ABS and ABS of 1% PC, 2% PP
Alloy surface is coated with the waste electroplating part of the Cu and Ni coating that mass fraction is 15%, is carried out according to the processing method of embodiment 1~6
The recycling of ABS plastic, plated item is crushed to below 2cm when through disintegrating machine, then calculates the rate of recovery of ABS plastic and pure
Degree.
| Detection project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| The rate of recovery/% | 98.2 | 98.3 | 98.5 | 98.6 | 98.7 | 98.6 |
| Purity/% | 99.2 | 99.4 | 99.2 | 99.4 | 99.2 | 99.5 |
Can be drawn by above table, the rate of recovery of the ABS plastic of embodiment 1~6 can be maintained at one it is higher
In horizontal extent, then as the growth of temperature, the mass fraction of nitration mixture than, sodium chloride and the proportion of water peeled off, ABS plastic
The rate of recovery present and first increase the level that is held essentially constant afterwards, but can be maintained in level higher, wherein it is preferred that
Embodiment 4 as the presently preferred embodiments, and reclaim ABS plastic purity it is also higher, then illustrate the treatment treatment useless electricity
The rate of recovery of ABS plastic and the purity for reclaiming are higher in plating piece.
Comparative example 1
The difference of comparative example 1 and embodiment 4 is that the nitration mixture in the stripping process in step 2 selects nitric-sulfuric acid, other with
Embodiment 4 is consistent.
Comparative example 2
Comparative example 2 and embodiment and the difference of embodiment 4 are the waste electroplating part through crusher in crushing in step 1, in step 2
Decorporate the ABS of electrodeposited coating, the ABS plastic after being dehydrated in step 4 is packed directly defeated by driving without screw rod transmission
Charge door charging is delivered to, other are consistent with embodiment 4.
Detected according to the experiment detection method in embodiment 1~4, calculate final ABS plastic the rate of recovery and
Purity.
| Detection project | Comparative example 1 | Comparative example 2 | Embodiment 4 |
| The rate of recovery/% | 96.2 | 97.5 | 98.6 |
| Purity/% | 97.5 | 98.1 | 99.4 |
Contrast comparative example 1 and the experimental result of embodiment 4, plating is removed when mixed liquor of the nitration mixture selection hydrochloric acid with sulfuric acid
Effect during layer is more excellent, and because mixed acid is stronger, though so removing the effect that electrodeposited coating is all
So substantially, but infringement of the mixed acid to ABS plastic is also stronger, the ABS plastic surface irregularity of generation and
Purity is not high；Then contrast comparative example 2 and embodiment 4, are directly added at charging aperture, without spiral shell when in material adition process
Bar is conveyed, then the mixability of material is different, and in treatment, the fitness from concentrated acid, strong brine is different, then produced when processing
Effect will be uneven, influences whether the effect of strip and separation.
The above is only exemplary embodiment of the invention, not for limiting the scope of the invention, this hair
Bright protection domain is determined by appended claim.
Claims (10)
1. in a kind of waste electroplating part ABS plastic recovery process, it is characterized in that：Including the steps,
Step 1：It is broken：The waste electroplating part that will be reclaimed is through disintegrating machine shearing-crushing；
Step 2：Peel off：Waste electroplating part after broken is 2 according to solid-liquid quality parts ratio：3 ratio is put into nitration mixture kettle, so
After be passed through air and aoxidized under conditions of 60 ~ 70 DEG C, until metal completely disengages from ABS；
Step 3：Separate ABS plastic and PC：The ABS of coating of decorporating is added to separate in strong brine groove the PC for drawing lower floor and
The ABS plastic layer on upper strata, PC layers of the ABS plastic layer on upper strata and lower floor is collected and is dehydrated respectively；
Step 4：Separate ABS plastic and PP：The ABS that PC will be isolated continuously adds the PP on isolated upper strata in clear water reserviors
The ABS plastic layer of layer and lower floor, collects ABS plastic layer and PP layers and is dehydrated respectively.
2. in a kind of waste electroplating part according to claim 1 ABS plastic recovery process, it is characterized in that：Collected in step 4
ABS plastic through color selector color sorting, dark ABS, pure white ABS and colour mixture ABS are selected successively.
3. in a kind of waste electroplating part according to claim 1 ABS plastic recovery process, it is characterized in that：Plating in step 2
To addition sodium hypochlorite in nitration mixture kettle until peeling off complete when layer peels off not thorough.
4. in a kind of waste electroplating part according to claim 1 ABS plastic recovery process, it is characterized in that：Temperature in step 2
Hot-air is passed through when spending low, cold air regulation system temperature to 60 ~ 70 DEG C is passed through when temperature is too high.
5. in a kind of waste electroplating part according to claim 1 ABS plastic recovery process, it is characterized in that：It is mixed in step 2
Acid selection mass fraction ratio is 1：（3~4）Hydrochloric acid and sulfuric acid mixing.
6. in a kind of waste electroplating part according to claim 1 ABS plastic recovery process, it is characterized in that：It is dense in step 3
Salt selection industrial chlorinations sodium in salt solution.
7. in a kind of waste electroplating part according to claim 6 ABS plastic recovery process, it is characterized in that：The sodium chloride
Proportion with water is（14~15）：1.
8. in a kind of waste electroplating part according to claim 1 ABS plastic recovery process, it is characterized in that：Through broken in step 1
The waste electroplating part of broken crusher machine, goes out to collect through screw rod transmission.
9. in a kind of waste electroplating part according to claim 1 ABS plastic recovery process, it is characterized in that：Moving back in step 3
The ABS of electrodeposited coating is gone through screw rod transmission to strong brine pond.
10. in a kind of waste electroplating part according to claim 1 ABS plastic recovery process, it is characterized in that：Taken off in step 4
ABS plastic after water is added into color selector after screw rod transmission to pipeline.
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| CN201710200666.5A CN106891454A (en) | 2017-03-29 | 2017-03-29 | The recovery process of ABS plastic in a kind of waste electroplating part |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109968562A (en) * | 2019-03-26 | 2019-07-05 | 马鞍山福亨汽车内饰有限公司 | A kind of reuse method of fascia feed back |
| CN113172794A (en) * | 2021-04-08 | 2021-07-27 | 宁波坚锋新材料有限公司 | Method for recovering ABS reclaimed material and recovered ABS reclaimed material |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101054446A (en) * | 2007-04-30 | 2007-10-17 | 河北科技大学 | Aluminum-plastic composite packing separating agent and method of separating and reclaiming the same |
| CN102534222A (en) * | 2012-01-06 | 2012-07-04 | 南昌大学 | Method for recovering acrylonitrile butadiene styrene (ABS) plastic galvanized parts |
| CN102717451A (en) * | 2012-07-04 | 2012-10-10 | 汨罗万容电子废弃物处理有限公司 | Recycling treatment method and equipment of waste plastic |
| CN103465394A (en) * | 2013-09-30 | 2013-12-25 | 上海申嘉三和环保科技开发有限公司 | Method for separating and treating waste plastic generated by storage batteries |
| CN105576315A (en) * | 2015-12-21 | 2016-05-11 | 江西源丰有色金属有限公司 | Method for recycling crushed waste storage battery shells |
-
2017
- 2017-03-29 CN CN201710200666.5A patent/CN106891454A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101054446A (en) * | 2007-04-30 | 2007-10-17 | 河北科技大学 | Aluminum-plastic composite packing separating agent and method of separating and reclaiming the same |
| CN102534222A (en) * | 2012-01-06 | 2012-07-04 | 南昌大学 | Method for recovering acrylonitrile butadiene styrene (ABS) plastic galvanized parts |
| CN102717451A (en) * | 2012-07-04 | 2012-10-10 | 汨罗万容电子废弃物处理有限公司 | Recycling treatment method and equipment of waste plastic |
| CN103465394A (en) * | 2013-09-30 | 2013-12-25 | 上海申嘉三和环保科技开发有限公司 | Method for separating and treating waste plastic generated by storage batteries |
| CN105576315A (en) * | 2015-12-21 | 2016-05-11 | 江西源丰有色金属有限公司 | Method for recycling crushed waste storage battery shells |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109968562A (en) * | 2019-03-26 | 2019-07-05 | 马鞍山福亨汽车内饰有限公司 | A kind of reuse method of fascia feed back |
| CN109968562B (en) * | 2019-03-26 | 2020-10-23 | 马鞍山福亨汽车内饰有限公司 | Recycling method of automobile instrument panel feed back |
| CN113172794A (en) * | 2021-04-08 | 2021-07-27 | 宁波坚锋新材料有限公司 | Method for recovering ABS reclaimed material and recovered ABS reclaimed material |
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Application publication date: 20170627 |