CN110154276A - A kind of waste PVB film recycling technique - Google Patents
A kind of waste PVB film recycling technique Download PDFInfo
- Publication number
- CN110154276A CN110154276A CN201910268934.6A CN201910268934A CN110154276A CN 110154276 A CN110154276 A CN 110154276A CN 201910268934 A CN201910268934 A CN 201910268934A CN 110154276 A CN110154276 A CN 110154276A
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- film
- waste
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- recycling technique
- knife
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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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/06—Recovery or working-up of waste materials of polymers without chemical reactions
-
- 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
-
- 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
- B29B2017/0424—Specific disintegrating techniques; devices therefor
- B29B2017/044—Knives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2329/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
- C08J2329/14—Homopolymers or copolymers of acetals or ketals obtained by polymerisation of unsaturated acetals or ketals or by after-treatment of polymers of unsaturated alcohols
-
- 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)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The invention discloses a kind of waste PVB film recycling techniques, comprising the following steps: is first collected together waste film, is put into container, sprays clear water thereto；Waste film after drying is put into the mobile cutting groove of cutter device, it is multiple to film progress transverse cuts using transverse cuts knife, it is then turned on longitudinally cutting knife group, it is longitudinally cutting to film progress by multiple longitudinally cutting knives, obtain film fragments；Film fragments after chopping are soaked in the reaction kettle equipped with soak, lye and acid solution are added in a kettle；It after film fragments are taken out, is rinsed with clear water, film raw material is made according to a conventional method after dry.Recovery efficiency of the invention is high, reduces production cost, can economize on resources.
Description
Technical field
The invention belongs to thin film technique fields, and in particular to a kind of waste PVB film recycling technique.
Background technique
PVB intermediate coat is translucent film, is plasticized the one of extrusion forming through plasticizer by polyvinyl butyral resin
Kind high molecular material, appearance is semitransparent thin film, and free from admixture, surfacing has certain roughness and good flexibility, right
Unorganic glass has good cohesive force, has the characteristics such as transparent, heat-resisting, cold-resistant, moisture-proof, mechanical strength height, is on our times
The optimum adhesion material of interlayer, safety glass is manufactured, while being visited in building curtain wall, trick awning, show window, bank counter, prison
The building fields such as form, converter screen and various bulletproof glasses are also widely used.Waste material film is light inflammable, if cannot
Processing in time can bring hidden danger, while occupied space to safety life and production, it is therefore desirable to collect rim charge, be convenient for
Secondary use.
Summary of the invention
To solve the deficiencies in the prior art, it is high that the purpose of the present invention is to provide a kind of recovery efficiencies, reduces and is produced into
This, the waste PVB film recycling technique that can be economized on resources.
In order to achieve the above objectives, the present invention adopts the following technical scheme that:
A kind of waste PVB film recycling technique, comprising the following steps:
Waste film: being collected together by S1, cleaning first, is put into container, sprays clear water thereto, and persistently stir
It mixes, rinses 3~4 times, be sent in baking room and dried after cleaning, cooled to room temperature after drying；
S2, chopping: the waste film after drying is put into the mobile cutting groove of cutter device, uses transverse cuts knife pair
Film progress transverse cuts are multiple, are then turned on longitudinally cutting knife group, carry out longitudinal cut to film by multiple longitudinally cutting knives
It cuts, obtains film fragments；
S3, immersion: the film fragments after chopping are soaked in the reaction kettle equipped with soak, increase temperature of reaction kettle,
Lasting stirring；
S4, treatment fluid is added: lye is added in a kettle, after stirring 4~5h, increase temperature to 45~55 DEG C, be added
Acid solution continues 2.5~3.5h of stirring；
S5, flushing: it after film fragments are taken out, is rinsed 2~3 times with clear water, to clean its soak remained on surface, is washed
It is put into baking room and is dried after net, cooled to room temperature after drying is spare；
S6, recycling: film raw material is made in the film fragments after drying according to a conventional method.
Preferably, in above mentioned step S3, temperature of reaction kettle is 35~40 DEG C, and mixing time is 1.5~2h.
More preferably, aforementioned lye is selected from sodium hydroxide solution or potassium hydroxide solution, and acid solution is selected from hydrochloric acid solution.
It is highly preferred that the mass ratio of aforementioned soak, lye and acid solution is (18~22): (2~3): (4~6).
It is further preferred that aforementioned soak includes following each component by weight: 12~23 parts of polyvinyl fluoride,
21~26 parts of sodium metasilicate, 16~27 parts of disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate, 15~19 parts of triethanolamine, sodium hypochlorite 3~15
Part, 11~18 parts of sodium bicarbonate and 9~12 parts of potassium dihydrogen phosphate.
Specifically, the temperature of abovementioned steps S1 and the baking room in step S5 is 50~55 DEG C.
Preferably, in abovementioned steps S2, cutter device includes that workbench, mobile cutting groove, transverse cuts knife and longitudinal direction are cut
Cutter group, the top of workbench are provided with horizontal slide rail, and the bottom end of mobile cutting groove is slidably connected to horizontal slide rail by sliding block
In, to realize moving left and right for mobile cutting groove.
More preferably, aforementioned lateral cutter are set to the upper left of workbench, and perpendicular to the shifting of mobile cutting groove
Dynamic direction, top are connected with the first cylinder, for driving transverse cuts knife to cut waste film.
It is highly preferred that aforementioned longitudinally cutting knife group is set to the upper right of workbench, and perpendicular to transverse cuts knife, packet
Multiple longitudinally cutting knives being spacedly distributed are included, the top of longitudinally cutting knife is connected with the second cylinder, longitudinally cutting for driving
Knife cuts waste film.
It is further preferred that the movement speed of aforementioned mobile cutting groove is 2~3cm/s, convenient for transverse cuts knife to waste and old
The multiple cutting of film.
The invention has the beneficial effects that: waste PVB film recycling technique of the invention is easy to operate, effectively returns
It receives and recycles PVB film, recovery efficiency is high, reduces production cost, can economize on resources；It can by soak, lye and acid solution
Effectively the impurity in PVB film is disposed, improves recovery efficiency and product quality；Pass through the transverse cuts in cutter device
Knife and longitudinally cutting knife group can uniformly shred film, be convenient for subsequent recovery processing.
Specific embodiment
Below in conjunction with detailed description of the invention by specific embodiments.
Cutter device includes that workbench, mobile cutting groove, transverse cuts knife and longitudinally cutting knife group, the top of workbench are set
It is equipped with horizontal slide rail, the bottom end of mobile cutting groove is slidably connected in horizontal slide rail by sliding block, to realize mobile cutting groove
It moves left and right, movement speed is 2~3cm/s, the multiple cutting convenient for transverse cuts knife to waste film.
Transverse cuts knife is set to the upper left of workbench, and perpendicular to the moving direction of mobile cutting groove, top
It is connected with the first cylinder, for driving transverse cuts knife to cut waste film.Longitudinally cutting knife group is set to the top of workbench
Right side, and perpendicular to transverse cuts knife, including multiple longitudinally cutting knives being spacedly distributed, the top of longitudinally cutting knife is connected with
Second cylinder, for driving longitudinally cutting knife cutting waste film.
Embodiment 1
A kind of waste PVB film recycling technique, comprising the following steps:
Waste film: being collected together by S1, cleaning first, is put into container, sprays clear water thereto, and persistently stir
It mixes, rinses 3 times, be sent in baking room and dried after cleaning, temperature is 50 DEG C, cooled to room temperature after drying；
S2, chopping: the waste film after drying is put into the mobile cutting groove of cutter device, uses transverse cuts knife pair
Film progress transverse cuts are multiple, are then turned on longitudinally cutting knife group, carry out longitudinal cut to film by multiple longitudinally cutting knives
It cuts, obtains film fragments；
S3, immersion: the film fragments after chopping are soaked in the reaction kettle equipped with soak, are increased temperature of reaction kettle and are
35 DEG C, mixing time 1.5h；Soak includes following each component by weight: 12 parts of polyvinyl fluoride, 21 parts of sodium metasilicate,
16 parts of disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate, 15 parts of triethanolamine, 3 parts of sodium hypochlorite, 11 parts of sodium bicarbonate and potassium dihydrogen phosphate 9
Part；
S4, treatment fluid is added: sodium hydroxide solution is added in a kettle, after stirring 4h, increase temperature to 45 DEG C, add
Enter hydrochloric acid solution, continues to stir 2.5h；Wherein the mass ratio of soak, sodium hydroxide solution and hydrochloric acid solution is 18:2:4；
S5, flushing: after film fragments are taken out, being rinsed 2 times with clear water, to clean its soak remained on surface, is cleaned
After be put into baking room and dried, temperature is 50 DEG C, it is dry after cooled to room temperature, it is spare；
S6, recycling: film raw material is made in the film fragments after drying according to a conventional method.
Embodiment 2
A kind of waste PVB film recycling technique, comprising the following steps:
Waste film: being collected together by S1, cleaning first, is put into container, sprays clear water thereto, and persistently stir
It mixes, rinses 4 times, be sent in baking room and dried after cleaning, temperature is 55 DEG C, cooled to room temperature after drying；
S2, chopping: the waste film after drying is put into the mobile cutting groove of cutter device, uses transverse cuts knife pair
Film progress transverse cuts are multiple, are then turned on longitudinally cutting knife group, carry out longitudinal cut to film by multiple longitudinally cutting knives
It cuts, obtains film fragments；
S3, immersion: the film fragments after chopping are soaked in the reaction kettle equipped with soak, are increased temperature of reaction kettle and are
40 DEG C, mixing time 2h；Soak includes following each component by weight: 23 parts of polyvinyl fluoride, 26 parts of sodium metasilicate, ten
27 parts of dialkyl diphenyl ether sodium disulfonate, 19 parts of triethanolamine, 15 parts of sodium hypochlorite, 18 parts of sodium bicarbonate and potassium dihydrogen phosphate 12
Part；
S4, treatment fluid is added: sodium hydroxide solution is added in a kettle, after stirring 5h, increase temperature to 55 DEG C, add
Enter hydrochloric acid solution, continues to stir 3.5h；Wherein the mass ratio of soak, sodium hydroxide solution and hydrochloric acid solution is 22:3:6；
S5, flushing: after film fragments are taken out, being rinsed 3 times with clear water, to clean its soak remained on surface, is cleaned
After be put into baking room and dried, temperature is 55 DEG C, it is dry after cooled to room temperature, it is spare；
S6, recycling: film raw material is made in the film fragments after drying according to a conventional method.
Embodiment 3
A kind of waste PVB film recycling technique, comprising the following steps:
Waste film: being collected together by S1, cleaning first, is put into container, sprays clear water thereto, and persistently stir
It mixes, rinses 3~4 times, be sent in baking room and dried after cleaning, temperature is 50 DEG C, cooled to room temperature after drying；
S2, chopping: the waste film after drying is put into the mobile cutting groove of cutter device, uses transverse cuts knife pair
Film progress transverse cuts are multiple, are then turned on longitudinally cutting knife group, carry out longitudinal cut to film by multiple longitudinally cutting knives
It cuts, obtains film fragments；
S3, immersion: the film fragments after chopping are soaked in the reaction kettle equipped with soak, are increased temperature of reaction kettle and are
38 DEG C, mixing time 1.5h；Soak includes following each component by weight: 18 parts of polyvinyl fluoride, 23 parts of sodium metasilicate,
21 parts of disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate, 17 parts of triethanolamine, 9 parts of sodium hypochlorite, 15 parts of sodium bicarbonate and potassium dihydrogen phosphate
11 parts；
S4, treatment fluid is added: sodium hydroxide solution is added in a kettle, after stirring 4.5h, increase temperature to 50 DEG C, add
Enter hydrochloric acid solution, continues to stir 3h；Wherein the mass ratio of soak, sodium hydroxide solution and hydrochloric acid solution is 20:2:5；
S5, flushing: it after film fragments are taken out, is rinsed 2~3 times with clear water, to clean its soak remained on surface, is washed
It is put into baking room and is dried after net, temperature is 50 DEG C, and cooled to room temperature after drying is spare；
S6, recycling: film raw material is made in the film fragments after drying according to a conventional method.
Waste PVB film recycling technique of the invention is easy to operate, effective recycling and reusing PVB film, recycling
It is high-efficient, production cost is reduced, can be economized on resources；It can be effectively by the impurity in PVB film by soak, lye and acid solution
It disposes, improves recovery efficiency and product quality；It can be with by transverse cuts knife in cutter device and longitudinally cutting knife group
Film is uniformly shredded, subsequent recovery processing is convenient for.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the above embodiments do not limit the invention in any form, all obtained by the way of equivalent substitution or equivalent transformation
Technical solution is fallen within the scope of protection of the present invention.
Claims (10)
1. a kind of waste PVB film recycling technique, which comprises the following steps:
Waste film: being collected together by S1, cleaning first, is put into container, sprays clear water thereto, and continues to stir, punching
It washes 3 ~ 4 times, is sent in baking room and is dried after cleaning, cooled to room temperature after drying；
S2, chopping: the waste film after drying is put into the mobile cutting groove of cutter device, using transverse cuts knife to film
It is multiple to carry out transverse cuts, is then turned on longitudinally cutting knife group, it is longitudinally cutting to film progress by multiple longitudinally cutting knives, it obtains
To film fragments；
S3, immersion: the film fragments after chopping are soaked in the reaction kettle equipped with soak, increase temperature of reaction kettle, are continued
Stirring；
S4, treatment fluid is added: lye is added in a kettle, after stirring 4 ~ 5h, increase temperature to 45 ~ 55 DEG C, acid solution is added, after
2.5 ~ 3.5h of continuous stirring；
S5, flushing: after film fragments are taken out, being rinsed 2~3 times with clear water, to clean its soak remained on surface, after cleaning
It is put into baking room and is dried, cooled to room temperature after drying is spare；
S6, recycling: film raw material is made in the film fragments after drying according to a conventional method.
2. a kind of waste PVB film recycling technique according to claim 1, which is characterized in that the step S3
In, temperature of reaction kettle is 35~40 DEG C, and mixing time is 1.5~2h.
3. a kind of waste PVB film recycling technique according to claim 1, which is characterized in that the lye choosing
From sodium hydroxide solution or potassium hydroxide solution, the acid solution is selected from hydrochloric acid solution.
4. a kind of waste PVB film recycling technique according to claim 1, which is characterized in that the soak,
Lye and the mass ratio of acid solution are (18 ~ 22): (2 ~ 3): (4 ~ 6).
5. a kind of waste PVB film recycling technique according to claim 1, which is characterized in that the soak
Including following each component by weight: 12 ~ 23 parts of polyvinyl fluoride, 21 ~ 26 parts of sodium metasilicate, dodecyl diphenyl oxide disulfonic acid
16 ~ 27 parts of sodium, 15 ~ 19 parts of triethanolamine, 3 ~ 15 parts of sodium hypochlorite, 11 ~ 18 parts and 9 ~ 12 parts of potassium dihydrogen phosphate of sodium bicarbonate.
6. a kind of waste PVB film recycling technique according to claim 1, which is characterized in that the step S1
Temperature with the baking room in step S5 is 50 ~ 55 DEG C.
7. a kind of waste PVB film recycling technique according to claim 1, which is characterized in that the step S2
In, cutter device includes that workbench, mobile cutting groove, transverse cuts knife and longitudinally cutting knife group, the top of the workbench are set
It is equipped with horizontal slide rail, the bottom end of the mobile cutting groove is slidably connected in horizontal slide rail by sliding block, to realize mobile cutting
Slot moves left and right.
8. a kind of waste PVB film recycling technique according to claim 7, which is characterized in that the transverse direction is cut
Cutter is set to the upper left of workbench, and perpendicular to the moving direction of mobile cutting groove, top is connected with the first cylinder,
For driving transverse cuts knife to cut waste film.
9. a kind of waste PVB film recycling technique according to claim 7, which is characterized in that cut the longitudinal direction
Cutter group is set to the upper right of workbench, and perpendicular to transverse cuts knife, including it is multiple be spacedly distributed it is longitudinally cutting
The top of knife, the longitudinally cutting knife is connected with the second cylinder, for driving longitudinally cutting knife cutting waste film.
10. a kind of waste PVB film recycling technique according to claim 7, which is characterized in that the movement is cut
The movement speed for cutting slot is 2 ~ 3cm/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910268934.6A CN110154276A (en) | 2019-04-04 | 2019-04-04 | A kind of waste PVB film recycling technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910268934.6A CN110154276A (en) | 2019-04-04 | 2019-04-04 | A kind of waste PVB film recycling technique |
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| Publication Number | Publication Date |
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| CN110154276A true CN110154276A (en) | 2019-08-23 |
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ID=67638995
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910268934.6A Pending CN110154276A (en) | 2019-04-04 | 2019-04-04 | A kind of waste PVB film recycling technique |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111716591A (en) * | 2020-07-01 | 2020-09-29 | 林超 | Polyethylene foam material recovery processing method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103613985A (en) * | 2013-11-20 | 2014-03-05 | 张家港任发化工材料有限公司 | Printing ink cleaning agent |
| CN106424021A (en) * | 2016-09-30 | 2017-02-22 | 四川行来科技有限公司 | Efficient film cleaning process |
-
2019
- 2019-04-04 CN CN201910268934.6A patent/CN110154276A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103613985A (en) * | 2013-11-20 | 2014-03-05 | 张家港任发化工材料有限公司 | Printing ink cleaning agent |
| CN106424021A (en) * | 2016-09-30 | 2017-02-22 | 四川行来科技有限公司 | Efficient film cleaning process |
Non-Patent Citations (1)
| Title |
|---|
| 江体乾: "《化工工艺手册》", 29 February 1992, 上海科学技术出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111716591A (en) * | 2020-07-01 | 2020-09-29 | 林超 | Polyethylene foam material recovery processing method |
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Application publication date: 20190823 |