CN109049773A - Regenerated plastics prepare the technique and device of plastic barrel - Google Patents
Regenerated plastics prepare the technique and device of plastic barrel Download PDFInfo
- Publication number
- CN109049773A CN109049773A CN201810934997.6A CN201810934997A CN109049773A CN 109049773 A CN109049773 A CN 109049773A CN 201810934997 A CN201810934997 A CN 201810934997A CN 109049773 A CN109049773 A CN 109049773A
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- plastic
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- cleaning
- regenerated plastics
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- 239000004033 plastic Substances 0.000 title claims abstract description 137
- 229920003023 plastic Polymers 0.000 title claims abstract description 137
- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000002699 waste material Substances 0.000 claims abstract description 50
- 238000004140 cleaning Methods 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000001746 injection moulding Methods 0.000 claims abstract description 18
- 230000004048 modification Effects 0.000 claims abstract description 18
- 238000012986 modification Methods 0.000 claims abstract description 18
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims abstract description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims abstract description 8
- 239000008367 deionised water Substances 0.000 claims abstract description 7
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 7
- 235000019441 ethanol Nutrition 0.000 claims abstract description 7
- 238000001914 filtration Methods 0.000 claims abstract description 7
- 238000002604 ultrasonography Methods 0.000 claims abstract description 3
- 238000002844 melting Methods 0.000 claims description 39
- 230000008018 melting Effects 0.000 claims description 39
- 238000005086 pumping Methods 0.000 claims description 24
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 18
- 239000003063 flame retardant Substances 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 18
- 239000000654 additive Substances 0.000 claims description 14
- 230000000996 additive effect Effects 0.000 claims description 14
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 14
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical class [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 12
- 239000003054 catalyst Substances 0.000 claims description 12
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 238000010008 shearing Methods 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 10
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 9
- DEIGXXQKDWULML-UHFFFAOYSA-N 1,2,5,6,9,10-hexabromocyclododecane Chemical compound BrC1CCC(Br)C(Br)CCC(Br)C(Br)CCC1Br DEIGXXQKDWULML-UHFFFAOYSA-N 0.000 claims description 7
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 6
- 238000004517 catalytic hydrocracking Methods 0.000 claims description 6
- 239000010941 cobalt Substances 0.000 claims description 6
- 229910017052 cobalt Inorganic materials 0.000 claims description 6
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 239000000155 melt Substances 0.000 claims description 5
- 229930188012 Bromoether Natural products 0.000 claims description 2
- HJCMMOODWZOXML-UHFFFAOYSA-N bromo hypobromite Chemical compound BrOBr HJCMMOODWZOXML-UHFFFAOYSA-N 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 claims description 2
- JTYRXXKXOULVAP-UHFFFAOYSA-N 1,2-dibromo-3-phenoxybenzene Chemical compound BrC1=CC=CC(OC=2C=CC=CC=2)=C1Br JTYRXXKXOULVAP-UHFFFAOYSA-N 0.000 claims 2
- 238000002407 reforming Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000002585 base Substances 0.000 description 7
- WHHGLZMJPXIBIX-UHFFFAOYSA-N decabromodiphenyl ether Chemical compound BrC1=C(Br)C(Br)=C(Br)C(Br)=C1OC1=C(Br)C(Br)=C(Br)C(Br)=C1Br WHHGLZMJPXIBIX-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 229910052623 talc Inorganic materials 0.000 description 3
- 235000012222 talc Nutrition 0.000 description 3
- 239000000454 talc Substances 0.000 description 3
- 238000013019 agitation Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D22/00—Producing hollow articles
- B29D22/003—Containers for packaging, storing or transporting, e.g. bottles, jars, cans, barrels, tanks
-
- 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
- B29B13/00—Conditioning or physical treatment of the material to be shaped
-
- 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
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
- B29B13/022—Melting the material to be shaped
-
- 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
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B2013/005—Degassing undesirable residual components, e.g. gases, unreacted monomers, from material to be moulded
-
- 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
- B29B2017/001—Pretreating the materials before recovery
- B29B2017/0021—Dividing in large parts
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The present invention relates to plastic products technology field, especially a kind of regenerated plastics prepare the technique and device of plastic barrel；The technique is the following steps are included: drying is eluted with water in (1) waste plastic, cut into item, successively with ethyl alcohol, acetone and deionized water, ultrasound filtration is cleaned in ultrasonic machine, then again with 120# gasoline and twice of cleaning of deionized water sequence, it is dry to be lower than 1wt% to moisture, obtain clean waste plastic item；(2) melt modification；(3) vacuum defoamation；(4) injection molding；Regenerated plastics of the invention prepare the technique of plastic barrel, and waste material is utilized, and can reduce the influence to ambient enviroment, and processing technology is simple and convenient, low in cost to the of less demanding of mechanical equipment, with good economic efficiency；Regenerated plastics of the invention prepare the device that the technique of plastic barrel uses, and structure is simple, and rationally, occupied area is small, long service life, easy for assemble or unload, use process safety and environmental protection for design.
Description
Technical field
The present invention relates to techniques and device that plastic products technology field, especially regenerated plastics prepare plastic barrel.
Background technique
Plastic barrel is a kind of underbed device in storage.Waste plastic makes pallet due to by its service life, making
With reasons such as condition (solar exposure) and acid and alkali corrosions, the impact resistant strength of plastics and toughness is caused to reduce, keeps waste plastics sharp
It is not high with being worth；So that waste plastic is become the material of plastic pallet is that technical staff will consider the technical issues of solving.
Summary of the invention
The object of the present invention is to provide the technique that a kind of regenerated plastics prepare plastic barrel, another object of the present invention is
A kind of device preparing plastic barrel for regenerated plastics is provided.
In order to solve the above technical problems, The technical solution adopted by the invention is as follows:
A kind of technique that regenerated plastics prepare plastic barrel, comprising the following steps:
(1) drying is eluted with water in waste plastic, cuts into item, successively ultrasonic in ultrasonic machine with ethyl alcohol, acetone and deionized water
Then 120# gasoline and twice of cleaning of deionized water sequence are used in filtering cleaning again, dry to be lower than 1wt% to moisture, obtain cleaning
Waste plastic item；
(2) melt modification: clean waste plastic item is put into reactor, controls 7 ~ 13MPa of pressure, and temperature is 350 ~ 420
DEG C, titanate esters, super fine talc powder master batch, fire retardant are added, hydrocracking 30min under conditions of catalyst, stirring is changed
Property liquid plastics, the catalyst be aluminium oxide load with cobalt；
(3) vacuum defoamation: reactor is evacuated, and takes the air dissolved in liquid plastic away, sloughs the gas in liquid plastic
Bubble；
(4) injection molding: the barrel temperature of injection molding machine is 120-200 DEG C, and nozzle temperature is 190-200 DEG C, mold temperature 40-
80 DEG C, injecting rate 180-220mm/s, injection pressure 5.5-6.5MPa, dwell pressure 4-5MPa, injection time 5-
7s is molded and plastic barrel is made.
Further, the additive amount of the titanate esters is adding for 4%~10% and superfine talcum powder of the quality of waste plastic
Dosage is the 8%~18% of the quality of waste plastic.
Further, the fire retardant selects one kind or several between deca-BDE, eight bromo ether and hexabromocyclododecane
Kind.
Further, the fire retardant selects the mixture of deca-BDE and hexabromocyclododecane, mass ratio 5-
10:1。
A kind of regenerated plastics prepare the device that the technique of plastic barrel uses, including shear, and the shear includes
Support frame is connected with shear platform on support frame as described above, and conveyer belt is equipped on the shear platform, is connected with above the conveyer belt
Frame is sheared, the shearing frame is bolted on the two sides of shear platform, is connected with shear knife below the shearing frame；
Including shear, the shear includes support frame, is connected with shear platform on support frame as described above, on the shear platform
Conveyer belt is installed, the two sides of the shear platform are separately installed with driven wheel, and a side-lower of shear platform is connected with driving wheel, institute
It states driving wheel to connect with driving motor and driven wheel respectively by belt, is connected with shearing frame above the conveyer belt, it is described to cut
Cutting frame is bolted on the two sides of shear platform, is connected with shear knife below the shearing frame；
The rear end of the shear is connected to ultrasonic cleaning equipment, and a upper side of the ultrasonic cleaning equipment is connected with
One side bottom of several inlet tubes, the ultrasonic cleaning equipment is connected with melt modification device, the ultrasound by discharge nozzle
The bottom of wave cleaning device is connected with outlet tube and support frame, and the melt modification device is connected to injection molding dress by discharge nozzle
It sets, is connected with valve on the outlet tube.
Further, the ultrasonic cleaning equipment includes cleaning case, and there are feed inlet, the feed inlet in the side of cleaning case
There is a feedboard at place, and feedboard is located at below shear platform and conveyer belt, has lateral helix transporting device, institute in the cleaning case
Stating lateral helix transporting device includes shaft, and one end of shaft is connect with driving motor, and flexible agitating paddle, institute are connected in shaft
Stock guide is arranged at the bottom for stating cleaning case, and the stock guide is located at the lower section of lateral helix transporting device.
Further, the top of the cleaning case is arc-shaped, and the top of cleaning case is connect by exhaust pipe with air-introduced machine.
Further, the melt modification device includes melting case, has feed hopper, the charging at the top of the melting case
Bucket cover is connected on bucket, the side upper end of the melting case is connected with vacuum evacuation device, and the vacuum evacuation device includes vacuum pump,
The vacuum pump is connect by exhaust tube with melting case, and the vacuum pump is fixed in mounting base, the mounting base and melting case
Between by be welded to connect, the mounting base and melting case between be also connected with knighthead, be also connected in the melting case
Agitating device.
Further, the exhaust tube includes pumping outer tube and pumping inner tube, the connection for being evacuated outer tube and melting case
There is connection ring at end, is bolted between the connection ring and melting case, passes through between the pumping outer tube and pumping inner tube
Connector connection, one end of the connector has to be led to respectively between mounting ring, the connector and pumping outer tube and pumping inner tube
Cross threaded connection.
Further, there is one layer of gasket between the pumping outer tube and melting case.
It is using the beneficial effect of technical solution of the present invention:
1, regenerated plastics of the invention prepare the technique of plastic barrel, and waste material is utilized, and can reduce the influence to ambient enviroment, processing
Simple process is convenient, low in cost to the of less demanding of mechanical equipment, with good economic efficiency.
2, regenerated plastics of the invention prepare the device that the technique of plastic barrel uses, and structure is simple, and design rationally, takes up an area face
Small, the long service life of product, easy for assemble or unload, use process safety and environmental protection.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram that regenerated plastics processing of the present invention prepares device used in the technique of plastic barrel.
In figure: 1 support frame, 2 shear platforms, 3 conveyer belts, 4 shearing framves, 5 inlet tubes, 6 cleaning cases, 7 feedboards, 8 shafts, 9
Motor, 10 flexible agitating paddles, 11 stock guides, 12 exhaust pipes, 13 air-introduced machines, 14 melting casees, 15 feed hoppers, 16 bucket covers, 17 vacuum
Pump, 18 exhaust tubes, 19 mounting bases, 20 knightheads, 21 agitating devices.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
Embodiment 1
A kind of technique that regenerated plastics prepare plastic barrel, comprising the following steps:
(1) drying is eluted with water in waste plastic, cuts into item, successively ultrasonic in ultrasonic machine with ethyl alcohol, acetone and deionized water
Then 120# gasoline and twice of cleaning of deionized water sequence are used in filtering cleaning again, dry to be lower than 1wt% to moisture, obtain cleaning
Waste plastic item；
(2) melt modification: clean waste plastic item is put into reactor, controls 7 ~ 13MPa of pressure, and temperature is 350 ~ 420
DEG C, titanate esters, super fine talc powder master batch, fire retardant are added, hydrocracking 30min under conditions of catalyst, stirring is changed
Property liquid plastics, catalyst be aluminium oxide load with cobalt；The additive amount of titanate esters is 4% and extra fine talc of the quality of waste plastic
The additive amount of powder is the 8% of the quality of waste plastic；Fire retardant selects deca-BDE, and the additive amount of fire retardant is waste plastic
Quality 0.2%.
(3) vacuum defoamation: reactor is evacuated, and is taken the air dissolved in liquid plastic away, is sloughed in liquid plastic
Bubble；
(4) injection molding: the barrel temperature of injection molding machine is 120-200 DEG C, and nozzle temperature is 190-200 DEG C, mold temperature 40-
80 DEG C, injecting rate 180-220mm/s, injection pressure 5.5-6.5MPa, dwell pressure 4-5MPa, injection time 5-
7s is molded and plastic barrel is made.
Embodiment 2
A kind of technique that regenerated plastics prepare plastic barrel, comprising the following steps:
(1) drying is eluted with water in waste plastic, cuts into item, successively ultrasonic in ultrasonic machine with ethyl alcohol, acetone and deionized water
Then 120# gasoline and twice of cleaning of deionized water sequence are used in filtering cleaning again, dry to be lower than 1wt% to moisture, obtain cleaning
Waste plastic item；
(2) melt modification: clean waste plastic item is put into reactor, controls 7 ~ 13MPa of pressure, and temperature is 350 ~ 420
DEG C, titanate esters, super fine talc powder master batch, fire retardant are added, hydrocracking 30min under conditions of catalyst, stirring is changed
Property liquid plastics, catalyst be aluminium oxide load with cobalt；The additive amount of titanate esters is 7% and extra fine talc of the quality of waste plastic
The additive amount of powder is the 15% of the quality of waste plastic；Fire retardant selects the mixture of deca-BDE and hexabromocyclododecane,
Mass ratio is 5:1, and the additive amount of fire retardant is the 0.2% of the quality of waste plastic；
(3) vacuum defoamation: reactor is evacuated, and takes the air dissolved in liquid plastic away, sloughs the gas in liquid plastic
Bubble；
(4) injection molding: the barrel temperature of injection molding machine is 120-200 DEG C, and nozzle temperature is 190-200 DEG C, mold temperature 40-
80 DEG C, injecting rate 180-220mm/s, injection pressure 5.5-6.5MPa, dwell pressure 4-5MPa, injection time 5-
7s is molded and plastic barrel is made.
Embodiment 3
A kind of technique that regenerated plastics prepare plastic barrel, comprising the following steps:
(1) drying is eluted with water in waste plastic, cuts into item, successively ultrasonic in ultrasonic machine with ethyl alcohol, acetone and deionized water
Then 120# gasoline and twice of cleaning of deionized water sequence are used in filtering cleaning again, dry to be lower than 1wt% to moisture, obtain cleaning
Waste plastic item；
(2) melt modification: clean waste plastic item is put into reactor, controls 7 ~ 13MPa of pressure, and temperature is 350 ~ 420
DEG C, titanate esters, super fine talc powder master batch, fire retardant are added, hydrocracking 30min under conditions of catalyst, stirring is changed
Property liquid plastics, catalyst be aluminium oxide load with cobalt；The additive amount of titanate esters is 8% and extra fine talc of the quality of waste plastic
The additive amount of powder is the 15% of the quality of waste plastic, and fire retardant selects the mixture of deca-BDE and hexabromocyclododecane,
Mass ratio is 7:1；The additive amount of fire retardant is the 0.2% of the quality of waste plastic；
(3) vacuum defoamation: reactor is evacuated, and takes the air dissolved in liquid plastic away, sloughs the gas in liquid plastic
Bubble；
(4) injection molding: the barrel temperature of injection molding machine is 120-200 DEG C, and nozzle temperature is 190-200 DEG C, mold temperature 40-
80 DEG C, injecting rate 180-220mm/s, injection pressure 5.5-6.5MPa, dwell pressure 4-5MPa, injection time 5-
7s is molded and plastic barrel is made.
Embodiment 4
A kind of technique that regenerated plastics prepare plastic barrel, comprising the following steps:
(1) drying is eluted with water in waste plastic, cuts into item, successively ultrasonic in ultrasonic machine with ethyl alcohol, acetone and deionized water
Then 120# gasoline and twice of cleaning of deionized water sequence are used in filtering cleaning again, dry to be lower than 1wt% to moisture, obtain cleaning
Waste plastic item；
(2) melt modification: clean waste plastic item is put into reactor, controls 7 ~ 13MPa of pressure, and temperature is 350 ~ 420
DEG C, titanate esters, super fine talc powder master batch, fire retardant are added, hydrocracking 30min under conditions of catalyst, stirring is changed
Property liquid plastics, the catalyst be aluminium oxide load with cobalt；The additive amount of titanate esters be waste plastic quality 10% and it is ultra-fine
The additive amount of talcum powder is the quality 18% of waste plastic；Fire retardant selects the mixture of deca-BDE and hexabromocyclododecane,
Its mass ratio is 10:1, and the additive amount of fire retardant is the 0.2% of the quality of waste plastic；
(3) vacuum defoamation: reactor is evacuated, and takes the air dissolved in liquid plastic away, sloughs the gas in liquid plastic
Bubble；
(4) injection molding: the barrel temperature of injection molding machine is 120-200 DEG C, and nozzle temperature is 190-200 DEG C, mold temperature 40-
80 DEG C, injecting rate 180-220mm/s, injection pressure 5.5-6.5MPa, dwell pressure 4-5MPa, injection time 5-
7s is molded and plastic barrel is made.
Fig. 1 is the structural schematic diagram that regenerated plastics processing of the present invention prepares device used in the technique of plastic barrel,
As shown in Figure 1, a kind of regenerated plastics prepare the device that the technique of plastic barrel uses, including shear, shear packet
Support frame 1 is included, shear platform 2 is connected on support frame 1, conveyer belt 3 is installed on shear platform 2,2 two sides is sheared and is separately installed with
Driven wheel, the side-lower for shearing 2 are connected with driving wheel, and driving wheel is connect with driving motor and driven wheel respectively by belt,
Shearing frame 4 is connected with above conveyer belt 3, shearing frame 4 is bolted on the two sides of shear platform 2, shears and be connected with below frame 4
Shear knife；
The rear end of shear is connected to ultrasonic cleaning equipment, and a upper side of ultrasonic cleaning equipment is connected with several feed liquors
One side bottom of pipe 5, ultrasonic cleaning equipment is connected with melt modification device, the bottom of ultrasonic cleaning equipment by discharge nozzle
It is connected with outlet tube and support frame, melt modification device is connected to injection moulding apparatus by discharge nozzle, is connected with valve on outlet tube.
Working principle: the waste plastic drying after cleaning is placed on conveyer belt 3, and one end of waste plastic is located at shear knife
Interior, the other end of waste plastic is located on conveyer belt 3, transmits while shearing, and the waste plastic item after shearing is sent to super
Ultrasonic cleaning is carried out in sound wave cleaning device, after cleaning, melt modification device is transferred to by discharge nozzle carries out melting and change
Property, injection molding in injection moulding apparatus is finally entered, plastic barrel is obtained.
As a preferred embodiment, the ultrasonic cleaning equipment in the present embodiment includes cleaning case 6, cleaning case 6
There is feed inlet in side, there is a feedboard 7 at feed inlet, and the side of feedboard 7 is triangular in shape, the side of feedboard and cleaning case 6
Angle between face is 45 ° -60 °, and feedboard 7 is located at shear platform 2 and conveyer belt 3, has lateral helical feed to fill in cleaning case 6
It sets, lateral helix transporting device includes shaft 8, one end of shaft 8 and driving motor 9, flexible stirring 10 is connected in shaft 8,
Stock guide 11 is arranged at the bottom of cleaning case 6, and stock guide 11 is located at the lower section of lateral helix transporting device, the bottom of flexible agitating paddle 10
It is contacted with stock guide 11, the setting of lateral helix transporting device, on the one hand, be convenient for during ultrasonic cleaning, by waste and old modeling
Material strip agitation is got up, and the contact area of waste plastic and cleaning solvent is then increased, and improves cleaning efficiency, on the other hand, laterally
Helix transporting device cooperates stock guide 11, can smoothly go in melt modification device waste plastic item, improve production
Efficiency.
As a preferred embodiment, the top of the cleaning case 6 in the present embodiment is arc-shaped, and the top of cleaning case 6 is logical
Exhaust pipe 12 is crossed to connect with air-introduced machine 13.
As a preferred embodiment, the melt modification device in the present embodiment includes melting case 14, melting case 14
Feed hopper 15 is arranged at top, and bucket cover 16 is connected on feed hopper 15, is connected through a screw thread between bucket cover 16 and feed hopper 15, bucket cover 16
It is also connect by flexible connector between feed hopper 15, has connection ring on bucket cover 16 and feed hopper 15, flexible connector is used for
Even two connection rings, the side upper end of melting case 14 are connected with vacuum evacuation device for connection, and vacuum evacuation device includes vacuum pump 17, very
Sky pump 17 is connect by 18 pipe of pumping with melting case 14, and vacuum pump 17 is fixed in mounting base 19, mounting base 19 and melting case 14
Between by be welded to connect, mounting base 19 and melting case 14 between be also connected with knighthead 20, using this structure, it can be ensured that
The inside for melting case 14 is a closed cavity, vacuumizes efficiency to improve, improves the removal efficiency of bubble, improves plastics
The quality of product melts in case 14 and is also connected with agitating device 21, and agitating device includes agitating shaft, and one end of agitating shaft is connected with
Stirring motor, stirring motor are located at the top of melting case 6, and several stirrings are connected on agitating shaft will be positioned at the another of agitating shaft
Hold the agitating shaft on top and the bottom of melting case 6 tangent, using this structure, convenient for the material agitation for melting bottom portion is got up,
Waste plastic is avoided to be bonded in bottom in melting process, uneven heating is even, to improve the melting speed of waste plastic.
As a preferred embodiment, the exhaust tube 18 in the present embodiment includes pumping outer tube and pumping inner tube, pumping
There is connection ring in the connecting pin of outer tube and melting case 14, is bolted between connection ring and melting case 14, is evacuated outer tube and takes out
It is connected between gas inner tube by connector, one end of connector has between mounting ring, connector and pumping outer tube and pumping inner tube
It is connected through a screw thread respectively, using this structure, the better tightness of exhaust tube 18,18 installing and dismounting of exhaust tube is more convenient, installation
Ring is used as hand-held part or equipment clamping part, substantially increases the convenience of installing and dismounting.
As a preferred embodiment, there is one layer of gasket between the pumping outer tube in the present embodiment and melting case, adopt
With this structure, the inner sealing of melting case is further improved, improves the leakproofness of melting case, improves the pumping of melting case
Vacuum degree ensures that the quality of regenerated plastics product.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.It is all in essence of the invention
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should all be included in the protection scope of the present invention.This
The technical scope of item invention is not limited to the contents of the specification, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (10)
1. the technique that a kind of regenerated plastics prepare plastic barrel, it is characterised in that: the technique the following steps are included:
(1) drying is eluted with water in waste plastic, cuts into item, successively ultrasonic in ultrasonic machine with ethyl alcohol, acetone and deionized water
Then 120# gasoline and twice of cleaning of deionized water sequence are used in filtering cleaning again, dry to be lower than 1wt% to moisture, obtain cleaning
Waste plastic item；
(2) melt modification: clean waste plastic item is put into reactor, controls 7 ~ 13MPa of pressure, and temperature is 350 ~ 420
DEG C, titanate esters, super fine talc powder master batch, fire retardant are added, hydrocracking 30min under conditions of catalyst, stirring is changed
Property liquid plastics, the catalyst be aluminium oxide load with cobalt；
(3) vacuum defoamation: reactor is evacuated, and takes the air dissolved in liquid plastic away, sloughs the gas in liquid plastic
Bubble；
(4) injection molding: the barrel temperature of injection molding machine is 120-200 DEG C, and nozzle temperature is 190-200 DEG C, mold temperature 40-
80 DEG C, injecting rate 180-220mm/s, injection pressure 5.5-6.5MPa, dwell pressure 4-5MPa, injection time 5-
7s is molded and plastic barrel is made.
2. the technique that regenerated plastics according to claim 1 prepare plastic barrel, it is characterised in that: the addition of the titanate esters
Amount is 8%~18% that the 4%~10% of quality and the additive amount of superfine talcum powder of waste plastic are the quality of waste plastic.
3. the technique that regenerated plastics according to claim 1 prepare plastic barrel, it is characterised in that: the fire retardant selects ten
One or more between dibromodiphenyl ether, eight bromo ether and hexabromocyclododecane.
4. the technique that regenerated plastics according to claim 1 prepare plastic barrel, it is characterised in that: the fire retardant selects ten
The mixture of dibromodiphenyl ether and hexabromocyclododecane, mass ratio 5-10:1.
5. feature exists as regenerated plastics of any of claims 1-4 prepare the device that the technique of plastic barrel uses
In: including shear, the shear includes support frame, is connected with shear platform on support frame as described above, on the shear platform
Conveyer belt is installed, the two sides of the shear platform are separately installed with driven wheel, and a side-lower of shear platform is connected with driving wheel, institute
It states driving wheel to connect with driving motor and driven wheel respectively by belt, is connected with shearing frame above the conveyer belt, it is described to cut
Cutting frame is bolted on the two sides of shear platform, is connected with shear knife below the shearing frame；
The rear end of the shear is connected to ultrasonic cleaning equipment, and a upper side of the ultrasonic cleaning equipment is connected with
One side bottom of several inlet tubes, the ultrasonic cleaning equipment is connected with melt modification device, the ultrasound by discharge nozzle
The bottom of wave cleaning device is connected with outlet tube and support frame, and the melt modification device is connected to injection molding dress by discharge nozzle
It sets, is connected with valve on the outlet tube.
6. regenerated plastics according to claim 5 prepare the device that the technique of plastic barrel uses, it is characterised in that: described super
Sound wave cleaning device includes cleaning case, and there is feed inlet in the side of cleaning case, there is a feedboard, feedboard position at the feed inlet
Below shear platform and conveyer belt, there is lateral helix transporting device in the cleaning case, the transverse direction helix transporting device includes
One end of shaft, shaft is connected to motor, and flexible agitating paddle is connected in shaft, and stock guide is arranged at the bottom of the cleaning case, institute
State the lower section that stock guide is located at lateral helix transporting device.
7. regenerated plastics according to claim 6 prepare the device that the technique of plastic barrel uses, it is characterised in that: described clear
The top of tank-washer is arc-shaped, and the top of cleaning case is connect by exhaust pipe with air-introduced machine.
8. regenerated plastics according to claim 5 prepare the device that the technique of plastic barrel uses, it is characterised in that: described molten
Melting reforming apparatus includes melting case, has feed hopper at the top of the melting case, bucket cover, the melting are connected on the feed hopper
The side upper end of case is connected with vacuum evacuation device, and the vacuum evacuation device includes vacuum pump, the vacuum pump by exhaust tube with
Case connection is melted, the vacuum pump is fixed in mounting base, by being welded to connect between the mounting base and melting case, the peace
It is also connected with knighthead between dress seat and melting case, is also connected with agitating device in the melting case.
9. regenerated plastics according to claim 5 prepare the device that the technique of plastic barrel uses, it is characterised in that: the pumping
Tracheae includes pumping outer tube and pumping inner tube, and there are a connection ring in the pumping outer tube and the connecting pin for melting case, the connection ring with
It is bolted between melting case, is connected between the pumping outer tube and pumping inner tube by connector, the connector
One end has to be connected through a screw thread respectively between mounting ring, the connector and pumping outer tube and pumping inner tube.
10. regenerated plastics according to claim 9 prepare the device that the technique of plastic barrel uses, it is characterised in that: described
There is one layer of gasket between pumping outer tube and melting case.
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| CN201810934997.6A CN109049773A (en) | 2018-08-16 | 2018-08-16 | Regenerated plastics prepare the technique and device of plastic barrel |
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Application publication date: 20181221 |