CN102962975A - Device and method for processing macromolecule products - Google Patents
Device and method for processing macromolecule products Download PDFInfo
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- CN102962975A CN102962975A CN2012105317220A CN201210531722A CN102962975A CN 102962975 A CN102962975 A CN 102962975A CN 2012105317220 A CN2012105317220 A CN 2012105317220A CN 201210531722 A CN201210531722 A CN 201210531722A CN 102962975 A CN102962975 A CN 102962975A
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- 238000000034 method Methods 0.000 title claims abstract description 48
- 229920002521 macromolecule Polymers 0.000 title claims abstract description 36
- 238000012545 processing Methods 0.000 title abstract description 8
- 238000003860 storage Methods 0.000 claims abstract description 35
- 239000012752 auxiliary agent Substances 0.000 claims description 109
- 238000005303 weighing Methods 0.000 claims description 45
- 239000000654 additive Substances 0.000 claims description 36
- 230000000996 additive effect Effects 0.000 claims description 35
- 230000008569 process Effects 0.000 claims description 34
- 239000004743 Polypropylene Substances 0.000 claims description 26
- -1 polypropylene Polymers 0.000 claims description 26
- 229920001155 polypropylene Polymers 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 21
- 238000001125 extrusion Methods 0.000 claims description 9
- 230000000740 bleeding effect Effects 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 239000003963 antioxidant agent Substances 0.000 claims description 5
- 230000003078 antioxidant effect Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000012986 modification Methods 0.000 description 7
- 230000004048 modification Effects 0.000 description 7
- 238000003672 processing method Methods 0.000 description 5
- 238000003475 lamination Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N Propene Chemical compound CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- CSJKPFQJIDMSGF-UHFFFAOYSA-K aluminum;tribenzoate Chemical compound [Al+3].[O-]C(=O)C1=CC=CC=C1.[O-]C(=O)C1=CC=CC=C1.[O-]C(=O)C1=CC=CC=C1 CSJKPFQJIDMSGF-UHFFFAOYSA-K 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
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- 239000000470 constituent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 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 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003913 materials processing Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
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- 239000010117 shenhua Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- B29C47/92—
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a device and a method for processing macromolecule products. The device comprises an extruder and auxiliary feeding devices. The number of the auxiliary feeding devices is at least two. Each auxiliary feeding device comprises an auxiliary feeding hopper, a first pneumatic valve, a storage tank, a second pneumatic valve and a scale stirrer. The auxiliary feeding hopper is connected with the storage tank through a pipeline, the first pneumatic valve is installed on a pipeline between the auxiliary feeding hopper and the storage tank, the storage tank is connected with the scale feeding mouth of the scale stirrer through the pipeline, the second pneumatic valve is installed on the pipeline between the storage tank and the scale feeding mouth of the scale stirrer, and the scale stirrer is connected with the discharge mouth of the extruder through a pipeline. When the processing device is adopted, different auxiliaries can be switched in real time so as to modify the macromolecule products on line.
Description
Technical field
The present invention relates to a kind of process equipment and method of macromolecule product, especially relate to process equipment and the processing method of modified polypropene.
Background technology
Macromolecule product often adopts extrusion equipment to carry out machine-shaping, and feed arrangement is the necessaries of extrusion device.Application number is that 200420016218.8 Chinese patent discloses a kind of feeding device of screw extrusion pelletizer; comprise with lower member: end to end feed hopper, conveyor screw and blanking barrel; set up airtight elevating hopper and by-pass valve control on the feed hopper; feed hopper, elevating hopper, blanking barrel are respectively the closed container body and respectively with the intake and exhaust interface, are tightly connected between feed hopper, conveyor screw, the blanking barrel.After supporting with screw extruder pelletizer by this device, comminutor has been possessed vacuumize and the function of filled nitrogen.
And for example, application number is that 98808773.1 Chinese patent application discloses the extruder drawing-in device that the materials processings such as a kind of rubber, plastics and chemical fibre are used, and comprises for the charging aperture that enters drawing-in device for material; Screw rod along the extension of material direction of transfer, be formed with spiral lamination on this screw rod, in order to transmit the material of being sent into by charging aperture by rotating, be arranged on the feeding roller along the extension of material direction of transfer at charging aperture place, be formed with spiral lamination on the feeding roller, the spiral lamination on the spiral lamination on the described feeding roller and the described screw rod forms non-tight engagement.
For another example, application number is that 201110128287.2 Chinese patent application discloses a kind of automatic feeding device of double-screw extruder, comprise oven dry mixer, stock chest, batch mixer and hopper, the feed opening of oven dry mixer is connected with stock chest, stock chest is connected with the batch mixer charging aperture by feeding pipe, be provided with in the feeding pipe the feeding unit of mass transport in the stock chest in the batch mixer, the discharging opening of batch mixer is connected with hopper by pipeline, and the feeding method of this device comprises drying, automatically transporting materials, batch mixing, feeding.Adopt said structure, feeding unit as required automatically with mass transport in the stock chest in batch mixer, automatically compound is transported to hopper behind the batch mixing, and then sends into double screw extruder, saved in a large number manpower, increase work efficiency.
The feed arrangement of above-mentioned extrusion equipment is single feed arrangement, can't satisfy the requirement of the macromolecule product differentiation processing that day by day increases.For example, the production of industrial impact polypropylene normally increases the interpolation of rigidity auxiliary agent at the double screw extruder charge door, finally obtain the production of impact polypropylene product.This general method is practical, still, is merely able to satisfy the client to the rigidity unitary demand.But make a general survey of huge processed and applied market, polypropylene downstream, miscellaneous processed and applied field, when using the impact polypropylene of the same class trade mark, the Downstream processing application client has different instructions for uses to the polyacrylic rigidity of anti-impact.For so that impact polypropylene has widely application, meet the market practical application request, need to adjust the rigidity of impact polypropylene.Therefore, there is the active demand of producing multiple macromolecule product (for example impact polypropylene of multiple rigidity) at same equipment in the reality.
Summary of the invention
One object of the present invention is to provide a kind of process equipment of macromolecule product, and it can be implemented in the macromolecule product of producing multiple performance on the same equipment.For example, by the said equipment, can produce the different impact polypropylene product of multiple final combination property.
Another object of the present invention is to provide a kind of processing method of macromolecule product, and it can satisfy the demand of producing the macromolecule product of multiple performance at same equipment.For example, can produce the different impact polypropylene product of multiple final combination property.
For this reason, the present inventor has carried out with keen determination research, finds that following technical scheme can realize purpose of the present invention.
The invention provides a kind of process equipment of macromolecule product, comprise extruder and auxiliary agent feed arrangement, described auxiliary agent feed arrangement is at least 2;
Described auxiliary agent feed arrangement comprises additive feeding funnel, the first pneumatic operated valve, storage tank, the second pneumatic operated valve and weighing balance agitator;
Described additive feeding funnel is connected with described storage tank by pipeline, and the first pneumatic operated valve is installed on the pipeline between additive feeding funnel and the storage tank;
Described storage tank is connected with the weighing balance charge door of described weighing balance agitator by pipeline, and the second pneumatic operated valve is installed on the pipeline between the weighing balance charge door of storage tank and weighing balance agitator;
Described weighing balance agitator is connected with the discharging opening of described extruder by pipeline.
According to process equipment of the present invention, preferably, described auxiliary agent feed arrangement is 3～5.
According to process equipment of the present invention, preferably, described auxiliary agent feed arrangement also comprises bleed blower fan and the first filter, and the described blower fan of bleeding is connected with described the first filter, described the first filter be connected the additive feeding funnel and connect.
According to process equipment of the present invention, preferably, described auxiliary agent feed arrangement also comprises the second filter, and described the second filter is installed on the weighing balance charge door of described weighing balance agitator.
According to process equipment of the present invention, preferably, described extruder is single screw extrusion machine or double screw extruder.
According to process equipment of the present invention, preferably, described macromolecule product is impact polypropylene.
The present invention also provides a kind of method of using process equipment processing macromolecule product of the present invention, comprises the steps:
(1) auxiliary agent is put into the additive feeding funnel of auxiliary agent feed arrangement;
(2) by control the first pneumatic operated valve, auxiliary agent is introduced storage tank from the additive feeding funnel;
(3) by control the second pneumatic operated valve, auxiliary agent is introduced the weighing balance agitator from storage tank, auxiliary agent mixes in the weighing balance agitator;
(4) mixed auxiliary agent enters extruder by pipeline, and mixes with macromolecular material in extruder, extrudes rear formation macromolecule product.
According to method of the present invention, preferably, by controlling the first pneumatic operated valve and the second pneumatic operated valve, when realizing that one of them auxiliary agent feed arrangement is opened with automatic feed automatically, other auxiliary agent feed arrangement cuts out.
According to method of the present invention, preferably, described macromolecule product is impact polypropylene, and described auxiliary agent comprises antioxidant and nucleator.
According to method of the present invention, preferably, described auxiliary agent is solid additive.
Adopt process equipment of the present invention, because at least 2 auxiliary agent feed arrangements of extruder charge door setting, thereby can switch in real time different auxiliary agents, so that macromolecule product is carried out online modification.In addition, adopt method of the present invention, can switch easily different auxiliary agents, thereby produce the different macromolecule product of multiple final combination property, for example, three kinds of impact polypropylene products that final combination property is different.
Description of drawings
Fig. 1 is the auxiliary agent feed arrangement schematic diagram of the process equipment of embodiment 1.
In Fig. 1, description of reference numerals is as follows:
1-the blower fan of bleeding; The 2-the first filter; 3-additive feeding funnel; The 4-the first pneumatic operated valve; 5-storage tank; The 6-the second filter; 7-weighing balance charge door; 8-weighing balance agitator; 9-motor; The 10-the second pneumatic operated valve.
The specific embodiment
The invention provides a kind of process equipment of macromolecule product.In the present invention, the raw material of macromolecule product comprises macromolecular material, and macromolecular material includes but not limited to polyolefin, polystyrene, polyester, polyurethane, Merlon, polyformaldehyde, poly-(methyl) acrylate, polyacrylonitrile, polyvinyl chloride or polyvinyl alcohol etc.In the present invention, polyolefin preferably includes polypropylene, polyethylene or polybutene etc.In the present invention, macromolecule product is preferably the modified polypropene product, more preferably the impact polypropylene product.
In the present invention, the auxiliary agent that is used for modified polymer material be known in the art those, such as antioxidant, nucleator etc.Take impact polypropylene as example, can improve polyacrylic crystal property by adding nucleator, thereby obtain the impact polypropylene of different rigidity.In addition, adopt antioxidant and the composite technology of nucleator can improve the homogeneity that auxiliary agent adds.Polyacrylic antioxidant, nucleator are known in the art those, repeat no more here.In the present invention, described auxiliary agent is preferably solid additive.
In the present invention, the process equipment of macromolecule product comprises extruder and auxiliary agent feed arrangement.Extruder be known in the art those, for example plunger type extruder or screw extruder.Preferably, extruder of the present invention is screw extruder.More preferably, extruder of the present invention is single screw extrusion machine or double screw extruder.Can guarantee so the sufficient melting of material, and guarantee to mix between macromolecular material and the auxiliary agent.Equipment of the present invention is particularly suitable for polyolefinic modification processing, is more suitable for the modification processing in impact polypropylene.The structure of extruder of the present invention be known in the art those.For example, comprise machine barrel and the screw rod in machine barrel, be provided with charge door on the machine barrel.
In process equipment of the present invention, extruder is provided with charge door, and this charge door is connected with the auxiliary agent feed arrangement.Can guarantee that like this auxiliary agent mixes in extruder fully with macromolecular material.In the present invention, described auxiliary agent feed arrangement is at least 2, more preferably at least 3, most preferably is 3～5.Can be implemented in like this macromolecule product of preparation different performance on the same equipment.
Auxiliary agent feed arrangement of the present invention comprises the parts such as additive feeding funnel, the first pneumatic operated valve, storage tank, the second pneumatic operated valve and weighing balance agitator.The additive feeding funnel is connected with storage tank by pipeline, and the first pneumatic operated valve is installed on the pipeline between additive feeding funnel and the storage tank.The additive feeding funnel is used for providing auxiliary agent as the entrance of auxiliary agent.The first pneumatic operated valve can open or cut out, and is used for flowing of control auxiliary agent.When the first pneumatic operated valve was opened, auxiliary agent was introduced in the storage tank, and when the first pneumatic operated valve cut out, auxiliary agent rested in the additive feeding funnel.
Auxiliary agent feed arrangement of the present invention can also comprise bleed blower fan and the first filter.The blower fan of bleeding is connected with the first filter, and the first filter is connected with the additive feeding funnel.Can remove like this fine particle in the additive feeding funnel and fugitive constituent etc., improve processing environment.
In auxiliary agent feed arrangement of the present invention, storage tank is connected with the weighing balance charge door of described weighing balance agitator by pipeline, and the second pneumatic operated valve is installed on the pipeline between the weighing balance charge door of storage tank and weighing balance agitator.Storage tank is used for storage from the auxiliary agent of additive feeding funnel, enters weighing balance agitator buffer before as auxiliary agent.The second pneumatic operated valve can open or cut out, and is used for flowing of control auxiliary agent.When the second pneumatic operated valve was opened, auxiliary agent was introduced in the weighing balance agitator by the weighing balance charge door, and when the second pneumatic operated valve cut out, auxiliary agent rested in the storage tank.
Auxiliary agent feed arrangement of the present invention can also comprise the second filter.The second filter is installed on the weighing balance charge door of weighing balance agitator.The second filter is used for the fine particle (such as dust) of exhaust and filtration adjuvant.
In process equipment of the present invention, the weighing balance agitator is connected with the discharging opening of described extruder by pipeline, thereby realizes being connected of auxiliary agent feed arrangement and extruder.
In process equipment of the present invention, described auxiliary agent feed arrangement can autoshutdown, automatic feed and is freely switched, and mainly is used to realize above-mentioned functions by the first pneumatic operated valve and the second pneumatic operated valve.For example, when one of them auxiliary agent feed arrangement was opened with automatic feed automatically, other auxiliary agent feed arrangement cut out.Comprising 3 auxiliary agent feed arrangement A, B, C take process equipment of the present invention describes as example.When auxiliary agent feed arrangement A opened with automatic feed automatically, auxiliary agent feed arrangement B, C closed, and then only had the auxiliary agent among the auxiliary agent feed arrangement A to enter process equipment this moment, so that macromolecular material is carried out modification.When auxiliary agent feed arrangement B opened with automatic feed automatically, auxiliary agent feed arrangement A, C closed, and then only had the auxiliary agent among the auxiliary agent feed arrangement B to enter process equipment this moment, so that macromolecular material is carried out modification.
The present invention also provides a kind of processing method of macromolecule product, and the key step that comprises is: (1) puts into auxiliary agent in the additive feeding funnel of auxiliary agent feed arrangement; (2) by control the first pneumatic operated valve, auxiliary agent is introduced storage tank from the additive feeding funnel; (3) by control the second pneumatic operated valve, auxiliary agent is introduced the weighing balance agitator from storage tank, auxiliary agent mixes in the weighing balance agitator; (4) mixed auxiliary agent enters extruder by pipeline, and mixes with macromolecular material in extruder, extrudes rear formation macromolecule product.In the processing method of the present invention, the auxiliary agent feed arrangement is at least 2.Correspondingly, the first pneumatic operated valve and the second pneumatic operated valve also are at least 2 covers, and namely per 1 cover auxiliary agent feed arrangement is with 1 cover the first pneumatic operated valve and the second pneumatic operated valve.By the first pneumatic operated valve and second pneumatic operated valve of control at least 2 covers, in the time of can realizing easily that one of them auxiliary agent feed arrangement is opened with automatic feed automatically, other auxiliary agent feed arrangement cuts out.
Comprising 3 auxiliary agent feed arrangement A, B, C take process equipment of the present invention describes as example.The first pneumatic operated valve and the second pneumatic operated valve by control auxiliary agent feed arrangement A are opened auxiliary agent feed arrangement A and automatic feed automatically, the first pneumatic operated valve by control auxiliary agent feed arrangement B, C and the second pneumatic operated valve are with auxiliary agent feed arrangement B, C autoshutdown simultaneously, at this moment, only have the auxiliary agent among the auxiliary agent feed arrangement A to enter process equipment, obtain macromolecule product A macromolecular material is carried out modification.When then the first pneumatic operated valve by control auxiliary agent feed arrangement B and the second pneumatic operated valve are opened auxiliary agent feed arrangement B with automatic feed automatically, and the first pneumatic operated valve by control auxiliary agent feed arrangement A, C and the second pneumatic operated valve are with auxiliary agent feed arrangement A, C autoshutdown, at this moment, only have the auxiliary agent among the auxiliary agent feed arrangement B to enter process equipment, obtain macromolecule product B macromolecular material is carried out modification.Other control mode, by that analogy.
In processing method of the present invention, the employed macromolecular material of described macromolecule product and auxiliary agent repeat no more as previously mentioned here.
Below with reference to drawings and Examples the present invention is made further instructions, but the present invention is not limited to this.
Employed macromolecular material is polypropylene in following examples, the polipropene 25 00H of Ningxia Coal Industry Group coal chemistry industry branch company of Shenhua.
Solid additive a, b, c are respectively mixture, the mica of talcum powder, 50wt% aluminum benzoate and 50wt% antioxidant 1010.
Each section of double screw extruder (temperature of C1～C9) is:
The temperature of C1 is normal temperature;
The temperature of C2～C 9 is followed successively by 240,265,265,265,260,265,265,280 ℃.
Embodiment 1
Fig. 1 has provided a kind of auxiliary agent feed arrangement schematic diagram of process equipment of macromolecule product.The process equipment of macromolecule product comprises double screw extruder (not providing among Fig. 1), also comprises 3 auxiliary agent feed arrangement A, B, C.The weighing balance agitator separately of auxiliary agent feed arrangement A, B, C is connected with the charge door of double screw extruder by pipeline respectively.For each auxiliary agent feed arrangement, the blower fan 1 of bleeding is connected with the first filter 2, the first filter 2 is connected with additive feeding funnel 3, and additive feeding funnel 3 is connected with storage tank 5 by pipeline, and the first pneumatic operated valve 4 is installed on the pipeline between additive feeding funnel 3 and the storage tank 5.Storage tank 5 is connected with the weighing balance charge door 7 of weighing balance agitator 8 by pipeline, and the second pneumatic operated valve 10 is installed on the pipeline between the weighing balance charge door 7 of storage tank 5 and weighing balance agitator 8.The weighing balance charge door 7 of weighing balance agitator 8 is provided with the second filter 6.Weighing balance agitator 8 drives by motor 9.
In the additive feeding funnel of 3 auxiliary agent feed arrangement A, B, C, add respectively solid additive a, b, c.
The first pneumatic operated valve 4 and the second pneumatic operated valve 10 of auxiliary agent feed arrangement A are opened automatically, simultaneously with the first pneumatic operated valve and the second pneumatic operated valve autoshutdown of auxiliary agent feed arrangement B, C, at this moment, only have the solid additive a among the auxiliary agent feed arrangement A to enter extruder, in extruder, mix with macromolecular material, and then extrusion molding, granulation, thereby obtain impact polypropylene particle A.The bending modulus of impact polypropylene particle A reaches more than the 900MPa.
Then, the first pneumatic operated valve and the second pneumatic operated valve of auxiliary agent feed arrangement B are opened automatically, and with the first pneumatic operated valve and the second pneumatic operated valve autoshutdown of auxiliary agent feed arrangement A, C, at this moment, only have the solid additive b among the auxiliary agent feed arrangement B to enter extruder, in extruder, mix with macromolecular material, and then extrusion molding, granulation, thereby impact polypropylene particle B obtained.The bending modulus that impact polypropylene particle B is reaches more than the 1000MPa.
Embodiment 2
Except in each auxiliary agent feed arrangement, bleeding does not arrange between blower fan 1 and the additive feeding funnel 3 outside the first filter 2, and other conditions are identical with embodiment 1.
Except in each auxiliary agent feed arrangement, be not provided with outside the second filter 6 on the weighing balance charge door 7 that the first filter 2 and weighing balance agitator 8 are not set between blower fan 1 and the additive feeding funnel 3 of bleeding, other conditions are identical with embodiment 1.
The present invention is not limited to above-mentioned embodiment, and in the situation that does not deviate from flesh and blood of the present invention, any distortion that it may occur to persons skilled in the art that, improvement, replacement all fall into scope of the present invention.
Claims (10)
1. the process equipment of a macromolecule product is characterized in that, comprises extruder and auxiliary agent feed arrangement, and described auxiliary agent feed arrangement is at least 2;
Described auxiliary agent feed arrangement comprises additive feeding funnel, the first pneumatic operated valve, storage tank, the second pneumatic operated valve and weighing balance agitator;
Described additive feeding funnel is connected with described storage tank by pipeline, and the first pneumatic operated valve is installed on the pipeline between additive feeding funnel and the storage tank;
Described storage tank is connected with the weighing balance charge door of described weighing balance agitator by pipeline, and the second pneumatic operated valve is installed on the pipeline between the weighing balance charge door of storage tank and weighing balance agitator;
Described weighing balance agitator is connected with the discharging opening of described extruder by pipeline.
2. process equipment according to claim 1 is characterized in that, described auxiliary agent feed arrangement is 3～5.
3. process equipment according to claim 1, it is characterized in that, described auxiliary agent feed arrangement also comprises bleed blower fan and the first filter, and the described blower fan of bleeding is connected with described the first filter, described the first filter be connected the additive feeding funnel and connect.
4. process equipment according to claim 1 is characterized in that, described auxiliary agent feed arrangement also comprises the second filter, and described the second filter is installed on the weighing balance charge door of described weighing balance agitator.
5. each described process equipment is characterized in that according to claim 1～4, and described extruder is single screw extrusion machine or double screw extruder.
6. each described process equipment is characterized in that according to claim 1～4, and described macromolecule product is impact polypropylene.
7. the method that right to use requires 1～6 each described process equipment to process macromolecule product comprises the steps:
(1) auxiliary agent is put into the additive feeding funnel of auxiliary agent feed arrangement;
(2) by control the first pneumatic operated valve, auxiliary agent is introduced storage tank from the additive feeding funnel;
(3) by control the second pneumatic operated valve, auxiliary agent is introduced the weighing balance agitator from storage tank, auxiliary agent mixes in the weighing balance agitator;
(4) mixed auxiliary agent enters extruder by pipeline, and mixes with macromolecular material in extruder, extrudes rear formation macromolecule product.
8. method according to claim 7 is characterized in that, by controlling the first pneumatic operated valve and the second pneumatic operated valve, when realizing that one of them auxiliary agent feed arrangement is opened with automatic feed automatically, other auxiliary agent feed arrangement cuts out.
9. according to claim 7 or 8 described methods, it is characterized in that described macromolecule product is impact polypropylene, described auxiliary agent comprises antioxidant and nucleator.
10. method according to claim 9 is characterized in that, described auxiliary agent is solid additive.
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| CN201210531722.0A CN102962975B (en) | 2012-12-11 | 2012-12-11 | The process equipment of macromolecule product and method |
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| CN201210531722.0A CN102962975B (en) | 2012-12-11 | 2012-12-11 | The process equipment of macromolecule product and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104228036A (en) * | 2013-06-19 | 2014-12-24 | 中国石油化工股份有限公司 | Method for adding additives into forming material and methods for preparing forming material of extra-high-voltage cable material and preparing extra-high-voltage cable material |
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| CN104228036A (en) * | 2013-06-19 | 2014-12-24 | 中国石油化工股份有限公司 | Method for adding additives into forming material and methods for preparing forming material of extra-high-voltage cable material and preparing extra-high-voltage cable material |
| CN104228036B (en) * | 2013-06-19 | 2016-08-10 | 中国石油化工股份有限公司 | The method of auxiliary agent is added and for the molding mass preparing extra-high-tension cable material and the method preparing extra-high-tension cable material in molding mass |
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| CN102962975B (en) | 2015-09-16 |
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