CN217434745U - Production facility is used in modified degradable plastics - Google Patents
Production facility is used in modified degradable plastics Download PDFInfo
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- CN217434745U CN217434745U CN202123082158.2U CN202123082158U CN217434745U CN 217434745 U CN217434745 U CN 217434745U CN 202123082158 U CN202123082158 U CN 202123082158U CN 217434745 U CN217434745 U CN 217434745U
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- metering pump
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Abstract
The utility model provides a modified production facility of using of degradable plastics, include: the automatic feeding machine is used for feeding; the main material screw machine is used for heating, melting and conveying the main materials; the auxiliary material screw machine is used for heating, melting and conveying the auxiliary materials; the dynamic mixer is communicated with the main material screw machine through a main material metering pump and is communicated with the auxiliary material screw machine through an auxiliary material metering pump, and is used for stirring and mixing the heated and melted main material and the auxiliary material; a viscosity detection assembly is arranged at the discharge end of the dynamic mixer; the granulator is used for cutting and granulating the mixed material output by the dynamic mixer; and the controller is used for controlling the rotating speed of the dynamic mixer according to the flow of the main material metering pump and controlling the flow of the auxiliary material metering pump according to the viscosity data detected by the viscosity detection assembly. Adopt the technical scheme of the utility model, can improve the homogeneity of material stirring effectively, the accurate batching proportion of just stabilizing the primary stock of second control and auxiliary material to improve product quality.
Description
Technical Field
The utility model belongs to plastics processing equipment field, concretely relates to modified production facility of using of degradable plastics.
Background
Plastics are important organic synthetic polymer materials and are widely applied. However, the 'white pollution' caused by the waste plastics is more and more serious, and the appearance of the degradable plastics can well improve the serious problem faced by people at present. Degradable plastics are a class of high molecular polymers that can be degraded by the action of microorganisms in nature. Due to good biodegradability and biocompatibility, the material is a hot spot of research in the field of current high polymer materials. However, some defects still exist in the specific practical application, so that researchers at home and abroad also carry out corresponding modification research on the modified protein.
In the prior art, patent document No. 2017104411675 provides a modified plastic production system, and discloses that a main material adding system comprises a feeding device and an automatic cleaning and mixing stirrer, wherein the feeding device comprises an automatic weightlessness measuring scale, and various raw and auxiliary materials are configured according to the proportion of a product formula, so that the proportion of the various raw and auxiliary materials is ensured to meet the requirement of the product formula. In the patent document, the mode of mixing first and then stirring is adopted, and the problems of uneven mixing and unstable feeding proportion control exist.
SUMMERY OF THE UTILITY MODEL
The utility model provides a modified production facility of using of degradable plastics to solve the inhomogeneous and unstable problem of feeding proportional control of compounding among the prior art.
The utility model discloses a modified production facility that uses of degradable plastics adopts following technical scheme:
a production facility for modification of degradable plastics is characterized by comprising: the automatic feeding machine is used for feeding; the feeding end of the main material screw machine is communicated with the discharging end of the automatic feeding machine and is used for heating, melting and conveying the main material; the auxiliary material screw machine is used for heating, melting and conveying the auxiliary materials; the dynamic mixer is communicated with the discharge end of the main material screw machine through a main material metering pump for metering material flow, is communicated with the discharge end of the auxiliary material screw machine through an auxiliary material metering pump for metering material flow, and is used for stirring and mixing the heated and melted main material and auxiliary material; the discharge end of the dynamic mixer is provided with a viscosity detection assembly for detecting the viscosity information of the mixed material output by the dynamic mixer; the granulator is used for cutting and granulating the mixed material output by the dynamic mixer; and the controller is respectively in communication connection with the dynamic mixer, the main material metering pump, the auxiliary material metering pump and the viscosity detection assembly and is used for controlling the rotating speed of the dynamic mixer according to the flow of the main material metering pump and controlling the flow of the auxiliary material metering pump according to the viscosity data detected by the viscosity detection assembly.
As an improvement, the controller is also respectively in communication connection with the automatic feeding machine and the main material screw machine and is used for controlling the feeding speed of the automatic feeding machine according to the rotating speed of the main material screw machine.
As an improvement, a frequency converter is connected between a driving motor and a power supply of the dynamic mixer, and the controller is also in communication connection with the frequency converter and used for controlling the output frequency of the frequency converter according to the flow of the main material metering pump.
As an improvement, a screen changer for filtering unmelted materials, particles and other impurities is arranged between the dynamic mixer and the granulator.
As an improvement, a screen changer for filtering unmelted materials, particles and other impurities is arranged between the dynamic mixer and the granulator.
As an improvement, pressure detection assemblies are arranged in front of and behind the screen changer, and the controller is in communication connection with the screen changer and the pressure detection assemblies in front of and behind the screen changer respectively and is used for controlling the screen changer to change a filter screen when the pressure difference in front of and behind the screen changer reaches a preset threshold value.
As an improvement, a start valve for discharging and sampling is arranged between the screen changer and the granulator.
As an improvement, the starting valve is connected with a discharging and sampling box for receiving waste materials and new materials.
As the improvement, the discharge end of the granulator is connected with a drying and packaging machine for processing the cut materials.
The beneficial effects of the utility model are that:
the utility model discloses production facility for modification of degradable plastics, including automatic feeding machine, major ingredient screw rod machine, auxiliary material screw rod machine, dynamic mixer, pelleter, through adopting corresponding screw rod machine respectively with major ingredient and auxiliary material, adopt the mode of heating earlier melting and then stirring, still flow control the rotational speed of dynamic mixer according to the major ingredient, can improve the homogeneity of material stirring effectively; and the flow of the auxiliary material is controlled by detecting the viscosity of the mixed material, so that the proportion of the main material to the auxiliary material can be accurately and stably controlled, the effect of modifying the degradable plastic is ensured, and the product quality is improved. Moreover, the utility model provides a production facility for the modification of degradable plastics has characteristics such as dependable performance, cost are lower.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of a specific embodiment of a production apparatus for modifying degradable plastics according to the present invention;
reference numerals:
1. the automatic feeding machine comprises an automatic feeding machine 2, a main material screw machine 3, a main material metering pump 4, a dynamic mixer 5, an auxiliary material screw machine 6, an auxiliary material metering pump 7, a screen changer 8, a start valve 9, a granulator 10 and a drying and packaging machine; 11. a discharging and sampling box; 12. and a controller.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be embodied in many other forms than those specifically described herein and similar modifications can be made by one skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not limited to the embodiments of the substrate disclosed below.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only and do not represent a unique embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The utility model discloses an embodiment of a production facility is used in degradable plastics modification, as shown in fig. 1, a production facility is used in degradable plastics modification, including automatic feeding machine 1, major ingredient screw rod machine 2, auxiliary material screw rod machine 5, dynamic mixer 4, pelleter 9 and controller 12. The main material and the auxiliary material respectively adopt corresponding screw machines, and a mode of heating and melting firstly and then stirring is adopted, so that the uniformity of material stirring is improved, and the accurate and stable proportion of the main material and the auxiliary material can be ensured.
The automatic feeding machine 1 is used for feeding.
And the main material screw machine 2 is communicated with the feed end of the automatic feeder 1 and is used for heating, melting and conveying the main materials on the automatic feeder 1.
And the auxiliary material screw machine 5 is used for heating, melting and conveying the auxiliary materials. The auxiliary material screw machines 5 shown in the figure are one, and in an actual application scene, a plurality of auxiliary material screw machines 5 can be arranged according to the types of auxiliary materials required in actual working conditions.
The dynamic mixer 4 is used for respectively pumping the main material metering pump 3 and the auxiliary material metering pump 6, and stirring and mixing the heated and melted main material and auxiliary material; the discharge end of the dynamic mixer 4 is provided with a viscosity detection component for detecting the viscosity information of the mixed material output by the dynamic mixer 4.
And a feed end of the granulator 9 is communicated with a discharge end of the dynamic mixer 4 and is used for cutting and granulating the mixed material output by the dynamic mixer 4.
The controller 12 is in communication connection with the dynamic mixer 4, the main material metering pump 3, the auxiliary material metering pump 6, the viscosity detection assembly and other components or control mechanisms of the components respectively, and is used for acquiring pumping flow data of the main material metering pump 3 in real time and controlling the rotating speed of the dynamic mixer 4 according to the flow of the main material metering pump 3; and acquiring the viscosity data detected by the viscosity detection assembly in real time, and controlling the flow of the auxiliary material metering pump 6 according to the viscosity data.
Optionally, a frequency converter (not shown in the figure) is connected between the driving motor of the dynamic mixer 4 and the power supply, and the controller 12 is further connected in communication with the frequency converter, and is configured to control the output power of the frequency converter according to the flow rate of the main material metering pump 3, so as to control the rotation speed of the driving motor, that is, the rotation speed of the dynamic mixer 4, thereby controlling the rotation speed of the dynamic mixer 4 according to the main material flow rate, and ensuring the mixing degree of the dynamic mixer 4.
Optionally, when the controller 12 controls the flow rate of the auxiliary material metering pump 6 according to the viscosity data and when the detected viscosity data does not reach the preset viscosity threshold range, the controller controls the power of the auxiliary material metering pump 6 to increase according to a preset amplitude value, so as to increase the pumping amount of the auxiliary material; when the detected viscosity data exceeds the preset viscosity threshold range, the power of the auxiliary material metering pump 6 is controlled to be reduced according to the preset amplitude value, and the pumping amount of the auxiliary material is reduced, so that the proportioning proportion of the main material and the auxiliary material is accurately controlled, and the modification effect of the degradable plastic is ensured.
It is explained here that in order to ensure the stable pumping amount of the main ingredient metering pump 3 and the auxiliary ingredient metering pump 6, the stable feeding of the pump inlets can be ensured by adopting a pressure closed loop control mode. Specifically, the entrances of the main material metering pump 3 and the auxiliary material metering pump 6 are respectively provided with a pressure detection device, and when the detected pressure detection data does not reach the corresponding set values, the power of the main material metering pump 3 and the power of the auxiliary material metering pump 6 are controlled to be increased, so that the pumping amount of the main material and the auxiliary material is ensured.
Optionally, the controller 12 is in communication connection with the automatic feeder 1 and the main material screw 2, respectively, and is configured to control the feeding speed of the automatic feeder 1 according to the rotation speed of the main material screw 2, so as to realize interlocking control between the feeding speed of the automatic feeder 1 and the melting speed of the main material screw 2, thereby realizing neither starvation feeding nor starvation feeding. For example, when the rotation speed of the main material screw machine 2 is increased, the feeding speed of the automatic feeding machine 1 is correspondingly controlled to be increased; when the rotating speed of the main material screw machine 2 is reduced, the feeding speed of the automatic feeding machine 1 is correspondingly controlled to be reduced. Further, the controller 12 controls the rotation speed of the main material screw machine 2 according to the flow rate of the main material metering pump 3, that is, when the power of the main material metering pump 3 is increased and the pumping flow rate is increased, the rotation speed of the main material screw machine 2 is controlled to be increased; accordingly, the controller 12 also controls the feeding speed of the automatic feeder 1 to be increased.
Optionally, in order to ensure the purity of the material, a screen changer 7 for filtering the unmelted material, particles and other impurities is provided between the dynamic mixer 4 and the granulator 9. Further, pressure detection assemblies are arranged in front of and behind the screen changer 7, and the controller 12 is in communication connection with the screen changer 7 and the pressure detection assemblies in front of and behind the screen changer respectively and is used for controlling the screen changer 7 to change the filter screen when the pressure difference in front of and behind the screen changer 7 reaches a preset threshold value.
And a start valve 8 is arranged between the screen changer 7 and the granulator 9 and is used for discharging materials with uneven mixing and waste gas in equipment in anticipation. Furthermore, a discharge sampling box 11 for receiving waste materials to be discharged and new materials to be discharged can be connected to the start valve 8.
And the discharge end of the granulator 9 is connected with a drying and packaging machine 10 for processing the cut materials.
It should be noted that the specific structures and principles of the automatic feeder 1, the main material screw machine 2, the auxiliary material screw machine 5, the dynamic mixer 4, the pellet cutter 9, the start valve 8, the main material metering pump 3, the auxiliary material metering pump 6, the drying and packaging machine 10, and other devices are well known to those skilled in the art, and the structures and principles thereof are not described in detail in this embodiment. And, in practical application scenario, the controller 12 in the production equipment for modifying degradable plastics of the embodiment of the present invention can be implemented by using existing equipment such as STM32 and S71500, and of course, other existing equipment with data transceiving and processing functions can also be used. The controller 12 can also be in communication connection with the auxiliary material screw machine 5, the granulator 9, the start valve 8 and other components or machines and execute corresponding control functions.
Use the utility model discloses during the modified production facility of using of degradable plastics, preheat automatic feeding machine 1, major ingredient screw rod machine 2, auxiliary material screw rod machine 5, dynamic mixer 4, pelleter 9, driving valve 8, major ingredient measuring pump 3, auxiliary material measuring pump 6 earlier, specifically set up heating temperature earlier according to the material characteristic, make the material heat certain temperature after getting into. After the heating temperature reaches the set temperature, the main material enters the main material screw machine 2 through the automatic feeding machine 1, the main material is heated and melted through the main material screw machine 2 and then is conveyed into the main material metering pump 3, the main material and the auxiliary material enter the dynamic mixer 4 through the metering of the main material metering pump 3, the auxiliary material is heated and melted through the auxiliary material screw machine 5 and is conveyed into the auxiliary material metering pump 6, the main material and the auxiliary material which are metered enter the dynamic mixer 4 through the uniform mixing of the dynamic mixer 4, the non-melted material, particles and other impurities are filtered by the screen changer 7 to enable the mixed material to be purer, the mixed material enters the granulator 9 through the start valve 8, the cut particles are finally converted into finished product packaging through the drying and packaging machine 10. The controller 12 controls the flow rate of the auxiliary material metering pump 6 according to the viscosity of the mixed material and controls the self-main material feeding speed according to the rotating speed of the main material screw machine 2, namely, the main material pumping amount can be increased by controlling the rotating speed of the main material metering pump 3, so that the main material and auxiliary material feeding speeds, the rotating speed of the main material screw machine 2, the rotating speed of the dynamic mixer 4 and the like are increased, the processing speed of the whole process flow is increased, and the purpose of increasing the yield is achieved.
And, open driving valve 8 during the clearance pipe-line system, until the clean material of outflow, also can be through opening whether reaching the technological requirement in the material after the valve sample detection mixes, when unsatisfying the requirement, change technological parameter until satisfying the utility model discloses in, according to the product application scene, increase one or more auxiliary materials, make the diversified production of product.
The production equipment for modifying the degradable plastics, provided by the embodiment of the utility model, can effectively improve the uniformity of material stirring by adopting the main materials and the auxiliary materials respectively through corresponding screw machines, adopting a mode of heating and melting firstly and then stirring, and controlling the rotating speed of the dynamic mixer according to the main material flow; and the flow of the auxiliary material is controlled by detecting the viscosity of the mixed material, so that the proportion of the main material to the auxiliary material can be accurately and stably controlled, the effect of modifying the degradable plastic is ensured, and the product quality is improved. Moreover, the utility model provides a production facility for degradable plastics modification has characteristics such as dependable performance, cost are lower.
It should be noted that, according to the implementation requirement, each component described in the embodiment of the present invention can be separated into more components, and two or more components or parts of the components can be combined into a new component, so as to achieve the purpose of the embodiment of the present invention.
The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. A production facility for degradable plastics modification, which is characterized by comprising:
the automatic feeding machine (1) is used for feeding;
the feeding end of the main material screw machine (2) is communicated with the discharging end of the automatic feeding machine (1) and is used for heating, melting and conveying the main materials;
the auxiliary material screw machine (5) is used for heating, melting and conveying the auxiliary materials;
the dynamic mixer (4) is communicated with the discharge end of the main material screw machine (2) through a main material metering pump (3) for metering the material flow, is communicated with the discharge end of the auxiliary material screw machine (5) through an auxiliary material metering pump (6) for metering the material flow, and is used for stirring and mixing the heated and melted main material and auxiliary material; a viscosity detection assembly is arranged at the discharge end of the dynamic mixer (4) and is used for detecting the viscosity information of the mixed material output by the dynamic mixer (4);
the granulator (9) is used for cutting and granulating the mixed material output by the dynamic mixer (4);
and the controller (12) is in communication connection with the dynamic mixer (4), the main material metering pump (3), the auxiliary material metering pump (6) and the viscosity detection assembly respectively, and is used for controlling the rotating speed of the dynamic mixer (4) according to the flow rate of the main material metering pump (3) and controlling the flow rate of the auxiliary material metering pump (6) according to the viscosity data detected by the viscosity detection assembly.
2. The production equipment for modifying the degradable plastics according to claim 1, wherein the controller (12) is further in communication connection with the automatic feeding machine (1) and the main material screw machine (2) respectively, and is used for controlling the feeding speed of the automatic feeding machine (1) according to the rotating speed of the main material screw machine (2).
3. The production equipment for modifying the degradable plastics according to claim 1, wherein a frequency converter is connected between the driving motor and the power supply of the dynamic mixer (4), and the controller (12) is further in communication connection with the frequency converter and is used for controlling the output frequency of the frequency converter according to the flow rate of the main material metering pump (3).
4. The production equipment for modifying degradable plastics according to claim 1, wherein a screen changer (7) for filtering unmelted materials, particles and other impurities is arranged between the dynamic mixer (4) and the granulator (9).
5. The production equipment for modifying degradable plastics according to claim 4, wherein pressure detection assemblies are arranged at the front and the back of the screen changer (7), and the controller (12) is in communication connection with the screen changer (7) and the pressure detection assemblies at the front and the back of the screen changer respectively, and is used for controlling the screen changer (7) to change the filter screen when the pressure difference at the front and the back of the screen changer (7) reaches a preset threshold value.
6. The production equipment for modifying degradable plastics according to claim 4, wherein a start valve (8) for discharging and sampling is further arranged between the screen changer (7) and the granulator (9).
7. The production equipment for modifying degradable plastics as claimed in claim 6, wherein a discharge sampling box (11) for receiving waste material and new material is connected to the start valve (8).
8. The production equipment for modifying degradable plastics according to any one of claims 1 to 7, wherein a drying and packaging machine (10) for processing the cut materials is connected to the discharge end of the granulator (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123082158.2U CN217434745U (en) | 2021-12-09 | 2021-12-09 | Production facility is used in modified degradable plastics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123082158.2U CN217434745U (en) | 2021-12-09 | 2021-12-09 | Production facility is used in modified degradable plastics |
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| Publication Number | Publication Date |
|---|---|
| CN217434745U true CN217434745U (en) | 2022-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123082158.2U Active CN217434745U (en) | 2021-12-09 | 2021-12-09 | Production facility is used in modified degradable plastics |
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| CN (1) | CN217434745U (en) |
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2021
- 2021-12-09 CN CN202123082158.2U patent/CN217434745U/en active Active
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