CN219788905U - Plastic master batch circulation production equipment for polypropylene rice transplanting disc - Google Patents
Plastic master batch circulation production equipment for polypropylene rice transplanting disc Download PDFInfo
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- CN219788905U CN219788905U CN202320859034.0U CN202320859034U CN219788905U CN 219788905 U CN219788905 U CN 219788905U CN 202320859034 U CN202320859034 U CN 202320859034U CN 219788905 U CN219788905 U CN 219788905U
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- reaction kettle
- component
- reaction
- reflux
- condensation
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 16
- -1 polypropylene Polymers 0.000 title claims abstract description 16
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 16
- 239000004033 plastic Substances 0.000 title claims abstract description 13
- 229920003023 plastic Polymers 0.000 title claims abstract description 13
- 239000004594 Masterbatch (MB) Substances 0.000 title claims abstract description 11
- 240000007594 Oryza sativa Species 0.000 title abstract description 3
- 235000007164 Oryza sativa Nutrition 0.000 title abstract description 3
- 235000009566 rice Nutrition 0.000 title abstract description 3
- 239000002994 raw material Substances 0.000 claims abstract description 26
- 238000009833 condensation Methods 0.000 claims abstract description 25
- 230000005494 condensation Effects 0.000 claims abstract description 25
- 238000010992 reflux Methods 0.000 claims abstract description 18
- 238000001914 filtration Methods 0.000 claims abstract description 17
- 238000012216 screening Methods 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 8
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims abstract description 7
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims abstract description 7
- 238000000926 separation method Methods 0.000 claims abstract description 7
- 230000000903 blocking effect Effects 0.000 claims abstract description 6
- 230000001681 protective effect Effects 0.000 claims abstract description 5
- 238000005469 granulation Methods 0.000 claims abstract description 4
- 230000003179 granulation Effects 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 3
- 230000009469 supplementation Effects 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 13
- 238000011161 development Methods 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 239000012773 agricultural material Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000002902 bimodal effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000010096 film blowing Methods 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
Landscapes
- Processes Of Treating Macromolecular Substances (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model discloses plastic master batch circulation production equipment for a polypropylene transplanting tray, which is sequentially provided with a first reaction kettle, a raw material feed inlet, a gas circulation reaction device, a blocking reflux component, a second reaction kettle component, a steam reaction device and a drying granulation device according to the sequence of raw materials entering into the output of products; wherein the separation reflux component consists of a reflux separation, a propylene inlet structure and a condensation filtering component; the left end of the first reaction kettle is provided with a protective gas inlet structure, the bottom of the first reaction kettle is provided with a first feed inlet, and the top of the first reaction kettle is provided with a product overflow outlet; the second reaction kettle component comprises a screening and diverting device arranged at the front end, a second reaction kettle arranged at the middle end and a one-way filtering device arranged at the rear end. The rice transplanting tray prepared by the utility model has the advantages of cyclic utilization of raw materials, controllable production process, good cost control and compact structure of the produced product.
Description
Technical Field
The utility model relates to the technical field of agricultural materials, in particular to plastic master batch circulation production equipment for a polypropylene transplanting tray.
Background
Polypropylene is a thermoplastic synthetic resin with excellent performance, and its perfect combination of thermal performance and mechanical performance and low cost make it stably occupy in five general synthetic resins (among plastics, polypropylene has very low density, no toxicity, strong processability, strong impact resistance, and strong flexural resistance and good insulativity, and these advantages make polypropylene have very wide application in various industrial and civil plastic products fields such as injection moulding products, pipe making, film blowing products, coating, wire drawing products, modified engineering plastics, etc.
In recent years, along with rapid development of global technology, continuous development of economy in China is strong, and rapid development of industries such as packaging industry, electronic industry, medical industry, building material industry, automobile industry and the like is carried out, so that great demand for polypropylene greatly promotes development of industry in China, annual production capacity and consumption of polypropylene in China are continuously increased, and performance range and market of resin products are continuously expanded.
The agricultural transplanting tray aims at the agricultural operation environment with low profit and long time consumption, has high requirements on the cost and durability of products, but the existing polypropylene production equipment on the market cannot recycle the raw materials which are not fully reacted in the production process, and the produced transplanting tray has loose structure and is easy to age due to the too extensive process.
Therefore, a plastic master batch recycling production device for the polypropylene transplanting trays, which has the advantages of raw material recycling, controllable production process, good cost control and compact structure of the produced products, is urgently needed in the market.
Disclosure of Invention
The utility model aims to provide plastic master batch recycling production equipment for a polypropylene transplanting tray, which has the advantages of raw material recycling, controllable production process, good cost control and compact structure of the produced product.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the production equipment is sequentially provided with a first reaction kettle, a raw material feeding port, a gas circulation reaction device, a blocking reflux component, a second reaction kettle component, a steam reaction device and a drying granulation device according to the output sequence of raw materials entering products; wherein the separation reflux component consists of a reflux separation, a propylene inlet structure and a condensation filtering component; the left end of the first reaction kettle is provided with a protective gas inlet structure, the bottom of the first reaction kettle is provided with a first feed inlet, and the top of the first reaction kettle is provided with a product overflow outlet; the second reaction kettle assembly comprises a screening and diverting device arranged at the front end, a second reaction kettle arranged at the middle end and a one-way filtering device arranged at the rear end;
the connection relation among the parts is as follows:
the left end of the first reaction kettle is connected with a shielding gas inlet structure, and a product overflow outlet at the upper end is connected with a condensation filter assembly, wherein a required product is connected with a first feeding end of the gas circulation reaction device through the condensation filter assembly; the unreacted raw materials are filtered by the condensation filtering component and then are connected with a first feed inlet arranged at the bottom of the first reaction kettle;
the discharge end of the gas circulation reaction device is connected with a screening and splitting device, wherein a required object is connected with a second feeding end arranged on a second reaction kettle through the screening and splitting device; the unreacted raw materials are connected with a condensation filter assembly through a one-way valve, and are treated by the condensation filter assembly and then connected with a first feed inlet arranged at the bottom of the first reaction kettle;
the raw material feed port is combined with unreacted materials of the gas circulation reaction device and then connected with a first feed port arranged at the bottom of the first reaction kettle;
the reflux separator is connected with the propylene inlet structure in parallel and then connected with the condensation filter assembly, and the auxiliary condensation filter assembly is used for carrying out reflux pressurization, raw material supplementation and filtration on the mixture in the assembly;
in the second reaction kettle assembly, the second reaction kettle is of a self-circulation structure, wherein a required product is connected with the feeding end of the steam reaction device through a one-way filtering device; the unreacted complete part automatically flows back to the second reaction kettle;
the discharge end of the steam reaction device is connected with the feed end of the drying and granulating device, and the produced material is dried and granulated to obtain the required plastic master batch.
Compared with the prior art, the utility model adopts the technical proposal that the utility model has the following steps:
(1) The utility model relates to a multi-zone circulating reactor, which adopts a gas-phase circulating technology. Compared with the polymer produced by the prior art, the polypropylene product prepared by the utility model has the characteristics of high crystallinity and high rigidity. While possessing these higher properties, good processability is maintained, and a more uniform performance is achieved.
(2) The circulating reactor of the utility model has outstanding characteristics, and a reflux partition is arranged in the circulating reactor to divide the reactor into two different reaction areas, and the two areas of the different reaction areas are communicated. The design can lead the reaction conditions in two reaction areas in one reactor to be different, different reaction areas can have different temperature settings, different oxygen amount inputs and different comonomer concentrations.
(3) The utility model can obtain different kinds of bimodal and multimodal homopolymers through structural design. The polymer repeatedly circulates in the two reaction areas, so that the uniformity of particles can be improved, different materials can be produced, and the performance range is enlarged.
(4) The product performance of the polymer obtained by the utility model is greatly improved in the aspect of the comprehensive performance of the product compared with other polypropylene production equipment.
Therefore, the utility model has the characteristics of cyclic utilization of raw materials, controllable production process, good cost control and compact structure of the produced product.
Drawings
Fig. 1 is a schematic structural diagram of the present utility model:
in the figure: the device comprises a first reaction kettle 1, a raw material feed inlet 2, a gas circulation reaction device 3, a reflux partition 4, a second reaction kettle 5, a steam reaction device 6 and a drying and granulating device 7.
Detailed Description
Example 1:
the plastic master batch circulation production equipment for the polypropylene transplanting tray shown in fig. 1 is provided with a first reaction kettle 1, a raw material feeding port 2, a gas circulation reaction device 3, a blocking reflux component, a second reaction kettle component, a steam reaction device 6 and a drying granulation device 7 in sequence according to the sequence of raw materials entering the product output; wherein the separation reflux component consists of a reflux separator 4, a propylene inlet structure and a condensation filtering component; the left end of the first reaction kettle 1 is provided with a protective gas inlet structure, the bottom is provided with a first feed inlet, and the top is provided with a product overflow outlet; the second reaction kettle component comprises a screening and diverting device arranged at the front end, a second reaction kettle 5 arranged at the middle end and a one-way filtering device arranged at the rear end;
the connection relation among the parts is as follows:
the left end of the first reaction kettle 1 is connected with a shielding gas inlet structure, and a product overflow outlet at the upper end is connected with a condensation filter assembly, wherein a required product is connected with a first feeding end of a gas circulation reaction device 3 through the condensation filter assembly; the unreacted raw materials are filtered by a condensation filtering component and then are connected with a first feed inlet arranged at the bottom of a first reaction kettle 1;
the discharge end of the gas circulation reaction device 3 is connected with a screening and splitting device, wherein the required substances are connected with a second feed end arranged on a second reaction kettle 5 through the screening and splitting device; the unreacted raw materials are connected with a condensation filter assembly through a one-way valve, and are treated by the condensation filter assembly and then connected with a first feed inlet arranged at the bottom of the first reaction kettle 1;
the raw material feed inlet 2 is combined with unreacted materials of the gas circulation reaction device 3 and then connected with a first feed inlet arranged at the bottom of the first reaction kettle 1;
the reflux separation 4 is connected with the propylene inlet structure in parallel and then connected with the condensation filter component, and the auxiliary condensation filter component is used for carrying out reflux pressurization, raw material supplementation and filtration on the mixture in the component;
in the second reaction kettle component, the second reaction kettle 5 is of a self-circulation structure, wherein a required product is connected with the feed end of the steam reaction device 6 through a one-way filtering device; the unreacted complete part is automatically refluxed into the second reaction kettle 5;
the discharge end of the steam reaction device 6 is connected with the feed end of the drying and granulating device 7, and the produced material is dried and granulated to obtain the required plastic master batch.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (1)
1. A plastic master batch circulation production device for a polypropylene transplanting tray is characterized in that: the production equipment is sequentially provided with a first reaction kettle (1), a raw material feed inlet (2), a gas circulation reaction device (3), a blocking reflux component, a second reaction kettle component, a steam reaction device (6) and a drying granulation device (7) according to the output sequence of raw materials entering products; wherein the back flow blocking component consists of a back flow blocking (4), a propylene introducing structure and a condensation filtering component; the left end of the first reaction kettle (1) is provided with a protective gas inlet structure, the bottom is provided with a first feed inlet, and the top is provided with a product overflow outlet; the second reaction kettle component comprises a screening and diverting device arranged at the front end, a second reaction kettle (5) arranged at the middle end and a one-way filtering device arranged at the rear end;
the connection relation among the parts is as follows:
the left end of the first reaction kettle (1) is connected with a protective gas inlet structure, and a product overflow outlet at the upper end is connected with a condensation filter assembly, wherein a required product is connected with a first feeding end of a gas circulation reaction device (3) through the condensation filter assembly; the unreacted raw materials are filtered by a condensation filtering component and then are connected with a first feed inlet arranged at the bottom of a first reaction kettle (1);
the discharge end of the gas circulation reaction device (3) is connected with a screening and splitting device, wherein a required object is connected with a second feed end arranged on a second reaction kettle (5) through the screening and splitting device; the unreacted raw materials are connected with a condensation filter assembly through a one-way valve, and are treated by the condensation filter assembly and then connected with a first feed inlet arranged at the bottom of a first reaction kettle (1);
the raw material feed port (2) is combined with unreacted materials of the gas circulation reaction device (3) and then connected with a first feed port arranged at the bottom of the first reaction kettle (1);
the reflux separation (4) is connected with the propylene inlet structure in parallel and then connected with the condensation filter component, and the auxiliary condensation filter component is used for carrying out reflux pressurization, raw material supplementation and filtration on the mixture in the component;
in the second reaction kettle component, the second reaction kettle (5) is of a self-circulation structure, wherein a required product is connected with the feeding end of the steam reaction device (6) through a one-way filtering device; the unreacted complete part is automatically refluxed into a second reaction kettle (5);
the discharge end of the steam reaction device (6) is connected with the feed end of the drying and granulating device (7), and the produced material is dried and granulated to obtain the required plastic master batch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320859034.0U CN219788905U (en) | 2023-04-18 | 2023-04-18 | Plastic master batch circulation production equipment for polypropylene rice transplanting disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320859034.0U CN219788905U (en) | 2023-04-18 | 2023-04-18 | Plastic master batch circulation production equipment for polypropylene rice transplanting disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219788905U true CN219788905U (en) | 2023-10-03 |
Family
ID=88188254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320859034.0U Active CN219788905U (en) | 2023-04-18 | 2023-04-18 | Plastic master batch circulation production equipment for polypropylene rice transplanting disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219788905U (en) |
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2023
- 2023-04-18 CN CN202320859034.0U patent/CN219788905U/en active Active
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