CN112192787A - Method for recycling secondary materials of plastic shell of lead-acid storage battery - Google Patents
Method for recycling secondary materials of plastic shell of lead-acid storage battery Download PDFInfo
- Publication number
- CN112192787A CN112192787A CN201910608087.3A CN201910608087A CN112192787A CN 112192787 A CN112192787 A CN 112192787A CN 201910608087 A CN201910608087 A CN 201910608087A CN 112192787 A CN112192787 A CN 112192787A
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- Prior art keywords
- plastic
- abs
- epoxy resin
- adhered
- crushing
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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
- B29B17/04—Disintegrating plastics, e.g. by milling
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/54—Reclaiming serviceable parts of waste accumulators
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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
- B29B2017/001—Pretreating the materials before recovery
- B29B2017/0015—Washing, rinsing
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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
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
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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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- 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
- Y02W30/84—Recycling of batteries or fuel cells
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a method for recycling secondary materials of a plastic shell of a lead-acid storage battery, belonging to the field of plastic shells of batteries, and the method comprises the following steps: firstly, cleaning and primarily crushing; secondly, crushing and selecting; thirdly, secondary crushing; fourthly, washing, drying and granulating; fifthly, grinding and mixing; sixthly, adding a flame retardant; obtaining the flame-retardant plastic filler. This scheme is after choosing clean without the ABS plastic granules of attachment, through the granulation, direct recycle after the casting, grind epoxy and ABS mixture into powder with the milling machine, in addition after the fire retardant is modified, make the plastic-aluminum board filler, thereby reach whole resourceization, the plastics that have epoxy in a large number of being stained with in the current have been solved, because epoxy does not have viscidity after the solidification, belong to thermosetting plastics, unable reuse, and combustible, the problem that can not bury, and operation process is simple, and is worth promoting.
Description
Technical Field
The invention relates to the field of battery plastic shells, in particular to a method for recycling secondary materials of a lead-acid storage battery plastic shell.
Background
The lead-acid storage battery is composed of polar plates (positive plate and negative plate), separators (made of plastic and rubber), electrolyte and a shell (ABS, polypropylene). The interior of the shell is divided into 3-6 single lattices which are not communicated with each other by partition walls, and epoxy resin glue is used for sealing among the single lattices and between the single lattices and the plastic cover plate.
In the process of disassembling the lead-acid storage battery, the plastic material is crushed and cleaned to meet the national law and regulation standard and then is treated as common solid waste. The application process of the common plastic is that after secondary crushing, clean plastic sheets subjected to flotation by clear water and saline water are used for granulation, casting and other recycling, but part of the plastic is still adhered with epoxy resin, the epoxy resin is cured and has no viscosity, belongs to thermosetting plastic and cannot directly enter a recycling link, and the epoxy resin is similar to ABS in physical properties, density and melting point, so that the epoxy resin and ABS can not be sorted easily, therefore, a large amount of epoxy resin and ABS mixture can not be treated, tens of thousands of tons of plastics are produced every year, and because the epoxy resin and ABS can be combusted, a large amount of the epoxy resin and ABS can be buried dangerously and also do not meet the environmental protection standard, the method for recycling the secondary materials of the plastic shell of the acid storage battery is provided.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a method for recycling secondary materials of a plastic shell of a lead-acid storage battery, and solves the problems that the existing plastic stained with epoxy resin is not sticky after being cured, belongs to thermosetting plastic, cannot be recycled, is combustible and cannot be buried.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A method for recycling secondary materials of a plastic shell of a lead-acid storage battery comprises the following steps.
Firstly, cleaning and primarily crushing: washing a plastic shell of the lead-acid storage battery by using water with a detergent, then rinsing the plastic shell by using clear water, taking out the plastic shell and then drying the plastic shell by air, and then performing primary crushing and separation by using a crusher to obtain a mixture containing ABS plastic sheets, ABS powder, epoxy resin and ABS plastic sheets adhered with the epoxy resin;
secondly, crushing and selecting: selecting ABS plastic sheets which are not adhered with epoxy resin from the mixture obtained in the step one, crushing and separating the rest mixture by using a crusher, then selecting the ABS plastic sheets which are not adhered with epoxy resin again, and repeating the steps until the ABS plastic sheets which are not adhered with epoxy resin can not be selected, so as to obtain a material A of the ABS plastic sheets which are not adhered with epoxy resin and a material B consisting of ABS powder, epoxy resin and the ABS plastic sheets which are adhered with epoxy resin;
thirdly, secondary crushing: further crushing the material A of the ABS plastic sheet which is not adhered with the epoxy resin and is obtained in the step two by using a crusher to obtain ABS plastic particles;
fourthly, washing, drying and granulating: washing the ABS plastic particles obtained in the third step, and then carrying out a drying process to obtain clean and attachment-free ABS plastic particles, and directly recycling the ABS plastic particles after granulation and casting;
fifthly, grinding and mixing: grinding the material B consisting of the ABS powder, the epoxy resin and the ABS plastic sheet adhered with the epoxy resin, which is obtained in the step two, into powder by a pulverizer, adding into a high-speed mixer, and mixing for 10-15min at a medium speed to obtain a plastic filler C;
sixthly, adding a flame retardant: and (5) adding a flame retardant into the plastic filler C obtained in the fifth step, and then mixing for 5-10min again to obtain the flame-retardant plastic filler.
Preferably, the drying process is drying by a hot air dryer, and the drying temperature range is 40-50 ℃.
Preferably, the flame retardant is compounded by a magnesium sulfate whisker halogen-free flame retardant, graphene and waste nitrile rubber.
Preferably, the mesh number of the powder is 10-200 meshes.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
this scheme is after choosing clean without the ABS plastic granules of attachment, through the granulation, direct recycle after the casting, grind epoxy and ABS mixture into powder with the milling machine, in addition after the fire retardant is modified, make the plastic-aluminum board filler, thereby reach whole resourceization, the plastics that have epoxy in a large number of being stained with in the current have been solved, because epoxy does not have viscidity after the solidification, belong to thermosetting plastics, unable reuse, and combustible, the problem that can not bury, and operation process is simple, and is worth promoting.
Drawings
FIG. 1 is a flow chart of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
Referring to fig. 1, a method for recycling a secondary material of a plastic casing of a lead-acid storage battery includes the following steps:
firstly, cleaning and primarily crushing: washing a plastic shell of the lead-acid storage battery by using water with a detergent, then rinsing the plastic shell by using clear water, taking out the plastic shell and then drying the plastic shell by air, and then performing primary crushing and separation by using a crusher to obtain a mixture containing ABS plastic sheets, ABS powder, epoxy resin and ABS plastic sheets adhered with the epoxy resin;
secondly, crushing and selecting: selecting ABS plastic sheets which are not adhered with epoxy resin from the mixture obtained in the step one, crushing and separating the rest mixture by using a crusher, then selecting the ABS plastic sheets which are not adhered with epoxy resin again, and repeating the steps until the ABS plastic sheets which are not adhered with epoxy resin can not be selected, so as to obtain a material A of the ABS plastic sheets which are not adhered with epoxy resin and a material B consisting of ABS powder, epoxy resin and the ABS plastic sheets which are adhered with epoxy resin;
thirdly, secondary crushing: further crushing the material A of the ABS plastic sheet which is not adhered with the epoxy resin and is obtained in the step two by using a crusher to obtain ABS plastic particles;
fourthly, washing, drying and granulating: washing the ABS plastic particles obtained in the third step, and then carrying out a drying process to obtain clean and attachment-free ABS plastic particles, and directly recycling the ABS plastic particles after granulation and casting;
fifthly, grinding and mixing: grinding the material B consisting of the ABS powder, the epoxy resin and the ABS plastic sheet adhered with the epoxy resin, which is obtained in the step two, into powder by a pulverizer, adding into a high-speed mixer, and mixing for 10-15min at a medium speed to obtain a plastic filler C;
sixthly, adding a flame retardant: and (5) adding a flame retardant into the plastic filler C obtained in the fifth step, and then mixing for 5-10min again to obtain the flame-retardant plastic filler.
Further, the drying process is to use a hot air dryer for drying, and the drying temperature range is 40-50 ℃.
Furthermore, the flame retardant is compounded by magnesium sulfate whisker halogen-free flame retardant, graphene and waste nitrile rubber.
Furthermore, the mesh number of the powder is 10-200 meshes.
In summary, the following steps: this scheme is after choosing clean without the ABS plastic granules of attachment, through the granulation, direct recycle after the casting, grind epoxy and ABS mixture into powder with the milling machine, in addition after the fire retardant is modified, make the plastic-aluminum board filler, thereby reach whole resourceization, the plastics that have epoxy in a large number of being stained with in the current have been solved, because epoxy does not have viscidity after the solidification, belong to thermosetting plastics, unable reuse, and combustible, the problem that can not bury, and operation process is simple, and is worth promoting.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (4)
1. A method for recycling secondary materials of a plastic shell of a lead-acid storage battery is characterized by comprising the following steps: the method comprises the following steps:
firstly, cleaning and primarily crushing: washing a plastic shell of the lead-acid storage battery by using water with a detergent, then rinsing the plastic shell by using clear water, taking out the plastic shell and then drying the plastic shell by air, and then performing primary crushing and separation by using a crusher to obtain a mixture containing ABS plastic sheets, ABS powder, epoxy resin and ABS plastic sheets adhered with the epoxy resin;
secondly, crushing and selecting: selecting ABS plastic sheets which are not adhered with epoxy resin from the mixture obtained in the step one, crushing and separating the rest mixture by using a crusher, then selecting the ABS plastic sheets which are not adhered with epoxy resin again, and repeating the steps until the ABS plastic sheets which are not adhered with epoxy resin can not be selected, so as to obtain a material A of the ABS plastic sheets which are not adhered with epoxy resin and a material B consisting of ABS powder, epoxy resin and the ABS plastic sheets which are adhered with epoxy resin;
thirdly, secondary crushing: further crushing the material A of the ABS plastic sheet which is not adhered with the epoxy resin and is obtained in the step two by using a crusher to obtain ABS plastic particles;
fourthly, washing, drying and granulating: washing the ABS plastic particles obtained in the third step, and then carrying out a drying process to obtain clean and attachment-free ABS plastic particles, and directly recycling the ABS plastic particles after granulation and casting;
fifthly, grinding and mixing: grinding the material B consisting of the ABS powder, the epoxy resin and the ABS plastic sheet adhered with the epoxy resin, which is obtained in the step two, into powder by a pulverizer, adding into a high-speed mixer, and mixing for 10-15min at a medium speed to obtain a plastic filler C;
sixthly, adding a flame retardant: and (5) adding a flame retardant into the plastic filler C obtained in the fifth step, and then mixing for 5-10min again to obtain the flame-retardant plastic filler.
2. The method for recycling the secondary material of the plastic shell of the lead-acid storage battery as claimed in claim 1, wherein the method comprises the following steps: the drying process is to adopt a hot air dryer for drying, and the drying temperature range is 40-50 ℃.
3. The method for recycling the secondary material of the plastic shell of the lead-acid storage battery as claimed in claim 1, wherein the method comprises the following steps: the flame retardant is compounded by magnesium sulfate whisker halogen-free flame retardant, graphene and waste nitrile rubber.
4. The method for recycling the secondary material of the plastic shell of the lead-acid storage battery as claimed in claim 1, wherein the method comprises the following steps: the mesh number of the powder is 10-200 meshes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910608087.3A CN112192787A (en) | 2019-07-08 | 2019-07-08 | Method for recycling secondary materials of plastic shell of lead-acid storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910608087.3A CN112192787A (en) | 2019-07-08 | 2019-07-08 | Method for recycling secondary materials of plastic shell of lead-acid storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112192787A true CN112192787A (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910608087.3A Pending CN112192787A (en) | 2019-07-08 | 2019-07-08 | Method for recycling secondary materials of plastic shell of lead-acid storage battery |
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| CN (1) | CN112192787A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116510875A (en) * | 2023-07-05 | 2023-08-01 | 江苏道金智能制造科技股份有限公司 | Dry ice-based waste lithium battery charged crushing system and working method thereof |
Citations (5)
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| AU2005254582A1 (en) * | 2004-06-15 | 2005-12-29 | Close The Loop Technologies Pty Ltd | A method of recycling mixed streams of ewaste (weee) |
| CN1792618A (en) * | 2006-01-06 | 2006-06-28 | 清华大学 | Method for mfg. glass fiber reinforced plastic product by nonmetal powder of waste circuit board |
| CN102205573A (en) * | 2011-05-11 | 2011-10-05 | 扬州宁达贵金属有限公司 | Method for separating and purifying recycled plastics in waste electronic apparatus |
| 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 |
-
2019
- 2019-07-08 CN CN201910608087.3A patent/CN112192787A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030175447A1 (en) * | 1999-09-21 | 2003-09-18 | Barchena Juan Carlos | Solid product manufactured from recycled domiciliary sweepings materials, a procedure for manufacturing said product, and a mobile equipment for recycling plastic sweepings materials |
| AU2005254582A1 (en) * | 2004-06-15 | 2005-12-29 | Close The Loop Technologies Pty Ltd | A method of recycling mixed streams of ewaste (weee) |
| CN1792618A (en) * | 2006-01-06 | 2006-06-28 | 清华大学 | Method for mfg. glass fiber reinforced plastic product by nonmetal powder of waste circuit board |
| CN102205573A (en) * | 2011-05-11 | 2011-10-05 | 扬州宁达贵金属有限公司 | Method for separating and purifying recycled plastics in waste electronic apparatus |
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Non-Patent Citations (1)
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| 林援朝: "《城市垃圾管理与处理处置技术标准规范应用实务全书》", 31 August 2002 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116510875A (en) * | 2023-07-05 | 2023-08-01 | 江苏道金智能制造科技股份有限公司 | Dry ice-based waste lithium battery charged crushing system and working method thereof |
| CN116510875B (en) * | 2023-07-05 | 2023-09-05 | 江苏道金智能制造科技股份有限公司 | Dry ice-based waste lithium battery charged crushing system and working method thereof |
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Application publication date: 20210108 |