CN202965146U - Polymer product processing equipment - Google Patents
Polymer product processing equipment Download PDFInfo
- Publication number
- CN202965146U CN202965146U CN2012206807082U CN201220680708U CN202965146U CN 202965146 U CN202965146 U CN 202965146U CN 2012206807082 U CN2012206807082 U CN 2012206807082U CN 201220680708 U CN201220680708 U CN 201220680708U CN 202965146 U CN202965146 U CN 202965146U
- Authority
- CN
- China
- Prior art keywords
- auxiliary agent
- feed arrangement
- storage tank
- weighing balance
- operated valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92009—Measured parameter
- B29C2948/9218—Weight
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92676—Weight
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92828—Raw material handling or dosing, e.g. active hopper or feeding device
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses polymer product processing equipment, comprising an extruder and auxiliary feeding devices, wherein the number of the auxiliary feeding devices is at least two; each auxiliary feeding device comprises an auxiliary feeding funnel, a first pneumatic valve, a storage tank, a second pneumatic valve and a metering scale stirrer; the auxiliary feeding funnel is connected with the storage tank through a pipe; the first pneumatic valve is mounted on the pipe between the auxiliary feeding funnel and the storage tank; the storage tank is connected with the metering scale feed inlet of the metering scale stirrer through a pipe; a second pneumatic valve is mounted on the pipe between the storage tank and the metering scale feed inlet of the metering scale stirrer; and the metering scale stirrer is connected with the discharge hole of the extruder through a pipe. The processing equipment provided by the utility model is capable of switching different auxiliaries in real time, thereby realizing online modification on polymer products.
Description
Technical field
The utility model relates to a kind of process equipment of macromolecule product, especially relates to the process equipment 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 component: end to end feed hopper, conveyor screw and blanking barrel; set up airtight elevating hopper and by-pass valve control on 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, 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 enter the charging aperture of 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 rotation, be arranged on the feeding roller along the extension of material direction of transfer at charging aperture place, be formed with spiral lamination on feeding roller, the spiral lamination on the spiral lamination on described feeding roller and 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 the feeding unit in the batch mixer with mass transport in stock chest in feeding pipe, 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 stock chest in batch mixer, automatically compound is transported to hopper after 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.In order to make impact polypropylene have application widely, 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) on same equipment in reality.
The utility model content
The purpose of this utility model is to provide a kind of process equipment of macromolecule product, and it can realize producing the macromolecule product of multiple performance on same equipment.For example, by the said equipment, can produce the different impact polypropylene product of multiple final combination property.
For this reason, the present inventor has carried out research with keen determination, finds that following technical scheme can realize the purpose of this utility model.
The utility model provides a kind of process equipment of macromolecule product, 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 arranged on pipeline between additive feeding funnel and 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 arranged on 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 described in the utility model, preferably, described auxiliary agent feed arrangement is 3～5.
According to process equipment described in the utility model, 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 described in the utility model, preferably, described auxiliary agent feed arrangement also comprises the second filter, and described the second filter is arranged on the weighing balance charge door of described weighing balance agitator.
According to process equipment described in the utility model, preferably, described extruder is single screw extrusion machine or double screw extruder.
Adopt process equipment of the present utility model, due 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.
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 utility model provides a kind of process equipment of macromolecule product.In the utility model, 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 utility model, polyolefin preferably includes polypropylene, polyethylene or polybutene etc.In the utility model, macromolecule product is preferably the modified polypropene product, more preferably the impact polypropylene product.
In the utility model, 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 utility model, described auxiliary agent is preferably solid additive.
In the utility model, 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 utility model is screw extruder.More preferably, extruder of the present utility model 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 auxiliary agent.Equipment of the present utility model is particularly suitable for polyolefinic modification processing, is more suitable for the modification processing in impact polypropylene.The structure of extruder of the present utility model be known in the art those.For example, comprise machine barrel and the screw rod in machine barrel, be provided with charge door on machine barrel.
In process equipment of the present utility model, 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 utility model, described auxiliary agent feed arrangement is at least 2, more preferably at least 3, most preferably is 3～5.Can realize like this macromolecule product of preparation different performance on same equipment.
Auxiliary agent feed arrangement of the present utility model 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 arranged on pipeline between additive feeding funnel and 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 controlling flowing of auxiliary agent.When the first pneumatic operated valve was opened, auxiliary agent was introduced in 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 utility model 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 utility model, storage tank is connected with the weighing balance charge door of described weighing balance agitator by pipeline, and the second pneumatic operated valve is arranged on 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 controlling flowing of 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 storage tank.
Auxiliary agent feed arrangement of the present utility model can also comprise the second filter.The second filter is arranged on the weighing balance charge door of weighing balance agitator.The second filter is used for the fine particle (as dust) of exhaust and filtration adjuvant.
In process equipment of the present utility model, 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 utility model, described auxiliary agent feed arrangement can autoshutdown, automatic feed and is freely switched, and mainly is used in conjunction with 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 utility model describes as example.When auxiliary agent feed arrangement A opened with automatic feed automatically, auxiliary agent feed arrangement B, C closed, and only had the auxiliary agent in 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 only had the auxiliary agent in auxiliary agent feed arrangement B to enter process equipment this moment, so that macromolecular material is carried out modification.
Process equipment of the present utility model is processed macromolecule product in the following manner.The key step that specifically comprises is: (1) puts into auxiliary agent in the additive feeding funnel of auxiliary agent feed arrangement; (2) by controlling the first pneumatic operated valve, auxiliary agent is introduced storage tank from the additive feeding funnel; (3) by controlling 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 utility model, 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 every 1 cover auxiliary agent feed arrangement is with 1 cover the first pneumatic operated valve and the second pneumatic operated valve.By controlling the first pneumatic operated valve and second pneumatic operated valve of 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 utility model describes as example.By the first pneumatic operated valve and the second pneumatic operated valve of controlling auxiliary agent feed arrangement A, auxiliary agent feed arrangement A is opened and automatic feed automatically, the first pneumatic operated valve by controlling 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 in 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 controlling 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 controlling 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 in 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.
Below with reference to drawings and Examples, the utility model is made further instructions, but the utility model is not limited to this.
The macromolecular material that uses in following examples is polypropylene, 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～C9 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 in 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 arranged on pipeline between additive feeding funnel 3 and 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 arranged on 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.
Add respectively solid additive a, b, c in the additive feeding funnel of 3 auxiliary agent feed arrangement 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 in auxiliary agent feed arrangement A to enter extruder, mix with macromolecular material in extruder, and then extrusion molding, granulation, thereby obtain impact polypropylene particle A.More than the bending modulus of impact polypropylene particle A reaches 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 in auxiliary agent feed arrangement B to enter extruder, mix with macromolecular material in extruder, and then extrusion molding, granulation, thereby impact polypropylene particle B obtained.More than the bending modulus that impact polypropylene particle B is reaches 1000MPa.
Embodiment 2
Except in each auxiliary agent feed arrangement, bleeding does not arrange between blower fan 1 and additive feeding funnel 3 outside the first filter 2, and other conditions are identical with embodiment 1.
Embodiment 3
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 additive feeding funnel 3 of bleeding, other conditions are identical with embodiment 1.
The utility model is not limited to above-mentioned embodiment, in the situation that do not deviate from flesh and blood of the present utility model, any distortion that it may occur to persons skilled in the art that, improvement, replacement all fall into scope of the present utility model.
Claims (5)
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 arranged on pipeline between additive feeding funnel and 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 arranged on 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 arranged on the weighing balance charge door of described weighing balance agitator.
5. according to claim 1～4 described process equipments of any one, is characterized in that, described extruder is single screw extrusion machine or double screw extruder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206807082U CN202965146U (en) | 2012-12-11 | 2012-12-11 | Polymer product processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206807082U CN202965146U (en) | 2012-12-11 | 2012-12-11 | Polymer product processing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202965146U true CN202965146U (en) | 2013-06-05 |
Family
ID=48506271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206807082U Expired - Lifetime CN202965146U (en) | 2012-12-11 | 2012-12-11 | Polymer product processing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202965146U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102962975A (en) * | 2012-12-11 | 2013-03-13 | 神华集团有限责任公司 | Device and method for processing macromolecule products |
-
2012
- 2012-12-11 CN CN2012206807082U patent/CN202965146U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102962975A (en) * | 2012-12-11 | 2013-03-13 | 神华集团有限责任公司 | Device and method for processing macromolecule products |
| CN102962975B (en) * | 2012-12-11 | 2015-09-16 | 神华集团有限责任公司 | The process equipment of macromolecule product and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201833574U (en) | Feeding and producing device for melting sides of high molecular materials | |
| CN101955604B (en) | Polyolefin-based nanoscale talcpowder function matrix and manufacturing equipment thereof | |
| CN102604404A (en) | Wood powder filled polypropylene and polyethylene composite material and preparation method for same | |
| CN104044222A (en) | Processing technology for plastic granules | |
| US10124511B2 (en) | Modified tire sealant mixing device | |
| CN203357725U (en) | TPE (Thermoplastic Polyurethane Elastomer) production line | |
| CN102336968A (en) | Modified polypropylene composite material and preparation method thereof | |
| CN202965146U (en) | Polymer product processing equipment | |
| CN101670638A (en) | Polyarylene ether compression molding | |
| CN102962975B (en) | The process equipment of macromolecule product and method | |
| CN108384208B (en) | PET-based wood-plastic composite material and preparation method thereof | |
| CN104059274A (en) | High-performance light-storing noctilucent master batch for polyolefin plastic and preparation method thereof | |
| CN102229218B (en) | Automatic raw rubber preparation process and process system | |
| CN202465280U (en) | Carbon material homogenizing and mixing equipment | |
| CN107383744A (en) | A kind of waste household appliances polypropylene modified material and preparation method thereof | |
| CN203863975U (en) | Two-hopper plastic squeezing granulator | |
| CN201769291U (en) | Mixing and grinding device for phenolic resin | |
| CN206899700U (en) | The feed hopper of double screw extruder | |
| KR101968211B1 (en) | Manufacturing method of plastic product for manhole comprising sulfur polymer cement and manhole product produced by the process | |
| CN203622656U (en) | Feeding equipment of thermal insulation mortar proportion mixer | |
| CN102391396B (en) | Interfacial compatilizer, preparation method of interfacial compatilizer and application method of interfacial compatilizer to wood plastic composite | |
| CN208761505U (en) | The anti-slug device of screw(-type) feeder | |
| CN112721086A (en) | Preparation method of degradable plastic master batch | |
| CN205058347U (en) | Double -shaft mixer mixes and discharging device | |
| CN204773488U (en) | Novel special double screw extruder of polymer plastic |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130605 |
|
| CX01 | Expiry of patent term |