CN115026968A - Method and device for recycling polymer resin - Google Patents
Method and device for recycling polymer resin Download PDFInfo
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- CN115026968A CN115026968A CN202210758939.9A CN202210758939A CN115026968A CN 115026968 A CN115026968 A CN 115026968A CN 202210758939 A CN202210758939 A CN 202210758939A CN 115026968 A CN115026968 A CN 115026968A
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- 239000002952 polymeric resin Substances 0.000 title claims abstract description 53
- 229920003002 synthetic resin Polymers 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000004064 recycling Methods 0.000 title description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 238000011084 recovery Methods 0.000 claims abstract description 17
- 238000001816 cooling Methods 0.000 claims description 7
- 238000004321 preservation Methods 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 238000005485 electric heating Methods 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 145
- 230000000694 effects Effects 0.000 description 7
- 230000005674 electromagnetic induction Effects 0.000 description 6
- 239000002803 fossil fuel Substances 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000010724 circulating oil Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
- B29B9/065—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion under-water, e.g. underwater pelletizers
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/802—Heating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a method and a device for treating polymer resin, belonging to the technical field of environmental protection equipment. The device comprises a spiral granulator, a recovery hopper is communicated with the granulator, a heat conduction oil sleeve is sleeved outside the granulator, a low-temperature heat conduction oil port and a high-temperature heat conduction oil port are arranged in the heat conduction oil sleeve, the two heat conduction oil ports are respectively communicated with a low-temperature heat conduction oil groove and a high-temperature heat conduction oil groove, a solar energy collector is communicated with the high-temperature heat conduction oil groove, and heat conduction oil heated to a specified temperature is conveyed into the solar energy collector to form a closed loop; an electric heating coil and a heat-insulating layer are additionally arranged on the granulator so as to solve the problem of heat loss in a low-temperature environment. The method realizes the sorting, washing, dehydrating and drying of the existing polymer resin, then carries out heat transfer oil heating conversion, and prepares the reclaimed material of the polymer resin again for preparing a new polymer resin product; the utilization efficiency of energy is improved, and the production cost is effectively controlled; the influence of the landfill waste on the environment is avoided, and the green development concept is met.
Description
Technical Field
The invention relates to the field of resource recycling, in particular to a method and a device for recycling polymer resin.
Background
The economy of China is rapidly developed, the living standard of people is greatly improved, the material demand of people is also greatly met, and a large amount of solid waste is generated at the same time. Among them, there are packages for various articles, such as plastic packing bags and plastic packing boxes, which are mostly polymeric resin products converted from petroleum and natural gas, such as polyethylene, polypropylene, polyoxyethylene, polystyrene, etc., and if they are discarded at will after use, they cannot be automatically degraded to cause environmental pollution; if the waste water is treated by burning, the chloride in the waste water can generate toxic dioxin gas, thereby causing serious damage to the ecological environment. Fossil fuels in China are scarce and large in consumption, and the strategic safety of fossil resources can be guaranteed only by recycling the fossil fuels as much as possible and recycling the fossil fuels.
The prior method for recycling the polymer resin has the disadvantages of complicated structure of the adopted device, large occupied area required by the device, more energy consumed during recycling treatment and great influence on the quality of the surrounding environment. With the temperature change of the working environment, the treatment effect on the polymer resin is also greatly different, thereby affecting the recovery efficiency and the effect.
Disclosure of Invention
The invention provides a method and a device for recycling polymer resin, which solve the problems of high energy consumption, unstable effect of softening the polymer resin and complex device composition in the existing process of recycling the polymer resin.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: a method for recycling polymer resin is characterized in that a low-temperature oil port and a high-temperature oil port are arranged on a heat conduction oil sleeve on the outer side of a spiral granulator, a set of heating device is externally connected to heat conduction oil output from the low-temperature oil port, and the high-temperature heat conduction oil is conveyed back to the heat conduction oil sleeve from the high-temperature oil port so as to control the oil temperature of the spiral granulator to be in a degree capable of softening the deformation of the polymer resin;
adding the polymer resin into a spiral granulator, softening and deforming the polymer resin, processing and forming the polymer resin by the spiral granulator, and then cooling.
By adopting the treatment method, the heat conduction oil is utilized to a greater extent, the oil temperature is ensured in a circulating, heating and heat-preserving mode, the working temperature in the internal treatment of the spiral granulator is further ensured, the efficiency of treating the softened and deformed polymeric resin is improved, the resources are saved, the production cost and the production efficiency are ensured, and the green production concept is met.
The temperature of the softened polymeric resin is controlled to be 130-160 ℃.
The external heating device heats the low-temperature oil output from the low-temperature oil port to 150-180 ℃. The oil temperature is controlled by adopting a solar heating mode, so that the temperature control is realized as green as possible, and the softening temperature of the polymer resin is reached.
The periphery of the spiral granulator is provided with a device for heat preservation so as to reduce the cooling speed of the heat conduction oil in the low-temperature environment. Therefore, the purpose of softening the polymer resin in the spiral granulator can be realized under the low-temperature environment, the recovery production efficiency is improved, and the recovery effect is ensured.
The invention also provides a device for recycling the polymer resin, wherein a heat conduction oil sleeve is sleeved on the outer surface of the spiral granulator, a recycling hopper is arranged on the heat conduction oil sleeve, and a discharge hole of the recycling hopper is communicated with the inside of the spiral granulator; the circumferential surface of the heat-conducting oil sleeve is respectively provided with a low-temperature oil port and a high-temperature oil port, the low-temperature oil port is connected with an external heating device through a connecting pipe, and the other end of the heating device is connected with the high-temperature oil port.
The heating device is a solar energy collector. The heating device can make full use of the clean energy of solar energy in the process of recovering the polymer resin, can obviously reduce the consumption of other energy sources, controls the recovery processing cost, and greatly reduces the influence on the environment.
The oil tank is internally divided into a low-temperature heat conduction oil tank and a high-temperature heat conduction oil tank, and the low-temperature heat conduction oil tank and the high-temperature heat conduction oil tank are respectively communicated with the low-temperature oil port and the high-temperature oil port; an oil inlet and an oil outlet of the solar energy collector are respectively communicated with the low-temperature heat conduction oil groove and the high-temperature heat conduction oil groove. The oil groove of peripheral hardware is used for temporarily storing the conduction oil, has guaranteed that the conduction oil has sufficient volume in this set of device and is used for the system circulation, can also add the heat preservation outside the oil groove to the inside oil temperature of control.
A low-temperature heat conduction oil pump is arranged between the low-temperature oil port and the low-temperature heat conduction oil groove, and a high-temperature heat conduction oil pump is arranged between the high-temperature heat conduction oil groove and the high-temperature oil port. Two oil pumps are respectively arranged to avoid the influence of the mixing of heat conduction oil at different temperatures on the recovery effect; and the oil pump makes each spare part arrangement mode of this set of device more nimble, is convenient for adjust the locating position of each spare part according to the operating mode is nimble.
The heater is arranged outside the heat conducting oil sleeve, and the heat insulating layer is sleeved outside the heater. The electromagnetic induction heater can be arranged outside the heat conduction oil sleeve, efficient and continuous heating treatment is provided, meanwhile, the heat dissipation is reduced due to the arrangement of the heat insulation layer, and the resource utilization amount during heating is further controlled.
The specific operation method is as follows: sorting and classifying the recycled polymer resin, respectively adding the polymer resin into a spiral granulator, softening and deforming the polymer resin under the heating condition of heat conduction oil at the temperature of 130-150 ℃ on a shell of the spiral granulator, extruding the polymer resin into strips by the spiral granulator, and cooling the strips in a cold water pool;
and when the temperature of the heat conduction oil is lower, starting an electromagnetic induction heater outside the spiral granulator to heat the heat conduction oil, and heating the heat conduction oil in the heat conduction oil sleeve to 130-160 ℃ for granulation operation.
The cooled low-temperature heat conduction oil flows out of a heat conduction oil sleeve of the spiral granulator and is conveyed to a low-temperature heat conduction oil groove by a low-temperature heat conduction oil pump; the low-temperature heat conducting oil in the low-temperature heat conducting oil groove is added into the solar energy collector through the low-temperature heat conducting oil pump, absorbs solar energy to heat the low-temperature heat conducting oil into high-temperature heat conducting oil at the temperature of 150-180 ℃, and the high-temperature heat conducting oil is conveyed to the high-temperature heat conducting oil groove to be stored. And pumping high-temperature heat conduction oil out by a high-temperature heat conduction oil pump, conveying the high-temperature heat conduction oil to a heat conduction oil sleeve outside the spiral granulator, repeating the steps, and enabling the heat conduction oil to form circulation in the heat conduction oil sleeve outside the spiral granulator so as to ensure the proper temperature required by the softening of the polymerization resin by the spiral granulator.
Compared with the prior art, the invention has the substantive characteristics that: a heating and heat-insulating device is arranged on the basis of a spiral granulator, solar energy is used as a heat source, and the temperature is controlled so that the polymer resin is heated, softened, reshaped, made into granules and recycled. The whole device is simple in structure and composition, the treatment method is simple and easy to implement, the requirement on the production environment is low, clean energy is fully utilized, the production cost of recovery treatment is effectively controlled, the continuous and stable operation of the treatment device at different temperatures is ensured, and the device is friendly to the environment.
Drawings
The invention is further described with reference to the following figures and detailed description.
FIG. 1 is a schematic view of the apparatus for recycling polymer resin according to the present invention.
In the figure: 1. the device comprises a recovery hopper, a heat preservation layer 2, a heater 3, a high-temperature heat conduction oil pump 4, a solar energy collector 5, a low-temperature heat conduction oil pump 6, a heat conduction oil sleeve 7, a high-temperature heat conduction oil groove 8, a low-temperature heat conduction oil groove 9 and a spiral granulator 10.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientations or positional relationships are based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1
As shown in the attached drawings, a device for recycling polymer resin is characterized in that a low-temperature oil port and a high-temperature oil port are arranged on a heat conduction oil sleeve 7 on the outer side of a spiral granulator 10, a set of solar heat collector 5 is externally connected to heat conduction oil output from the low-temperature oil port, and the high-temperature heat conduction oil is conveyed back to the heat conduction oil sleeve 7 from the high-temperature oil port so as to control the oil temperature of the spiral granulator 10 to be in the degree of softening the deformation of the polymer resin; the polymeric resin is added into the spiral granulator 10 through the recovery hopper 1, the spiral granulator 10 under the heating of the heat-conducting oil enables the polymeric resin to be softened and deformed, and the spiral granulator 10 processes and molds the polymeric resin, and then the polymeric resin is cooled.
Specifically, a heat conduction oil sleeve 7 is sleeved on the outer surface of the spiral granulator 10, a recovery hopper 1 is mounted on the heat conduction oil sleeve 7, and a discharge port of the recovery hopper 1 is communicated with the inside of the spiral granulator 10; the circumferential surface of the heat conducting oil sleeve 7 is respectively provided with a low-temperature oil port and a high-temperature oil port, the low-temperature oil port is connected with the solar heat collector 5 through a connecting pipe, and the other end of the solar heat collector 5 is connected with the high-temperature oil port.
And the solar heat collector 5 is used as an external heating device to heat the low-temperature oil output from the low-temperature oil port to 150-180 ℃. The oil temperature is controlled by adopting a solar heating mode, so that the temperature control is realized as green as possible, and the softening temperature of the polymerized resin is 130-160 ℃.
The periphery of the spiral granulator 10 is also provided with a heat preservation layer 2 which wraps the heat conduction oil sleeve 7 so as to reduce the cooling speed of the heat conduction oil in the low-temperature environment. Therefore, the purpose of softening the polymer resin in the spiral granulator 10 can be realized under the low-temperature environment, the recovery production efficiency is improved, and the recovery effect is ensured.
Meanwhile, an oil groove is formed in the outer portion of the spiral granulator 10, and the oil groove is internally divided into a low-temperature heat conduction oil groove 9 and a high-temperature heat conduction oil groove 8 and used for temporarily storing heat conduction oil. The low-temperature heat conduction oil groove 9 and the high-temperature heat conduction oil groove 8 are respectively communicated with the low-temperature oil port and the high-temperature oil port; an oil inlet and an oil outlet of the solar energy collector 5 are respectively communicated with the low-temperature heat conduction oil groove 9 and the high-temperature heat conduction oil groove 8. A low-temperature heat conduction oil pump 6 is arranged between the low-temperature oil port and the low-temperature heat conduction oil groove 9, and a high-temperature heat conduction oil pump 4 is arranged between the high-temperature heat conduction oil groove 8 and the high-temperature oil port. Two oil pumps are respectively arranged to avoid the influence of the mixing of heat conduction oil at different temperatures on the recovery effect; and the oil pump makes each spare part arrangement mode of this set of device more nimble, is convenient for adjust the locating position of each spare part according to the operating mode is nimble.
The specific operation method is as follows: sorting and classifying the recycled polymer resin, respectively adding the polymer resin into a spiral granulator, softening and deforming the polymer resin under the heating condition of heat conduction oil at the temperature of 130-150 ℃ on a shell of the spiral granulator, extruding the polymer resin into strips by a spiral granulator 10, and cooling the strips in a cold water pool;
the cooled low-temperature heat conduction oil flows out of a heat conduction oil sleeve 7 of the spiral granulator and is conveyed to a low-temperature heat conduction oil groove 9 by a low-temperature heat conduction oil pump 6; the low-temperature heat conduction oil in the low-temperature heat conduction oil groove 9 is added into the solar energy collector 5 through the low-temperature heat conduction oil pump 6, absorbs solar energy to heat the low-temperature heat conduction oil into high-temperature heat conduction oil at 150-180 ℃, and the high-temperature heat conduction oil is conveyed to the high-temperature heat conduction oil groove 8 to be stored. The high-temperature heat conduction oil is pumped out by the high-temperature heat conduction oil pump 4 and conveyed to the heat conduction oil sleeve 7 outside the spiral granulator 10, the steps are repeated, the heat conduction oil forms circulation in the heat conduction oil sleeve 7 outside the spiral granulator 10, and the proper temperature required by the softening of the polymerization resin by the spiral granulator 10 is guaranteed.
The method and the processing device utilize heat conduction oil to a great extent by arranging a heating and heat-insulating device and a circulating oil way outside the spiral granulator 10, control the temperature of the heat conduction oil by taking solar energy as a heat source to heat and soften the polymer resin, reshape the polymer resin into granules and recycle the granules. The whole device has simple structure and composition, simple and easy processing method and lower requirement on production environment; and moreover, clean energy is fully utilized, the production cost of recovery treatment is effectively controlled, the continuous and stable operation of the device at different temperatures is ensured, the environment is friendly, and the concept of green production is met.
Example 2
An electromagnetic induction heater 3 can be arranged outside the spiral granulator, the electromagnetic induction heater 3 is connected with a heat conduction oil sleeve 7, and a heat insulation layer 2 is sleeved outside the electromagnetic induction heater 3. When the device is in a cold environment, at night and other environments, the oil temperature of the heat conduction oil is low, the electromagnetic induction heater 3 can be started to heat the heat conduction oil in the heat conduction oil sleeve 7, and the heat conduction oil is heated to 130-160 ℃ and then granulation operation is carried out.
The arrangement ensures the stable operation of the spiral granulator in various temperature environments, provides high-efficiency and continuous heating treatment, reduces heat loss due to the arrangement of the heat-insulating layer 2, further controls the resource utilization amount during heating, and improves the working efficiency of recovering the polymer resin to the maximum extent.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. A method of treating a polymeric resin, characterized by:
a low-temperature oil port and a high-temperature oil port are arranged on a heat conduction oil sleeve on the outer side of the spiral granulator, a set of heating device is externally connected to heat the heat conduction oil output from the low-temperature oil port, and the high-temperature heat conduction oil is conveyed back into the heat conduction oil sleeve from the high-temperature oil port so as to control the oil temperature of the spiral granulator to be in the degree of softening the deformation of the polymerized resin;
adding the polymer resin into a spiral granulator, softening and deforming the polymer resin, processing and forming the polymer resin by the spiral granulator, and then cooling.
2. The method of treating a polymeric resin of claim 1, wherein: the temperature of the softened polymeric resin is controlled to be 130-160 ℃.
3. The method of treating a polymeric resin of claim 1, wherein: the external heating device heats the low-temperature oil output from the low-temperature oil port to 150-180 ℃.
4. The method of treating a polymeric resin of claim 1, wherein: the periphery of the spiral granulator is provided with a device for heat preservation so as to reduce the cooling speed of the heat conducting oil in the low-temperature environment.
5. The apparatus for use in the method of processing a polymer resin according to any one of claims 1 to 4, wherein: the external surface of the spiral granulator is sleeved with a heat conduction oil sleeve, the heat conduction oil sleeve is provided with a recovery hopper, and a discharge port of the recovery hopper is communicated with the inside of the spiral granulator; the circumferential surface of the heat-conducting oil sleeve is respectively provided with a low-temperature oil port and a high-temperature oil port, the low-temperature oil port is connected with an external heating device through a connecting pipe, and the other end of the heating device is connected with the high-temperature oil port.
6. The apparatus of claim 5, wherein: the heating device is a solar energy collector.
7. The apparatus of claim 6, wherein: the oil tank is internally divided into a low-temperature heat conduction oil tank and a high-temperature heat conduction oil tank, and the low-temperature heat conduction oil tank and the high-temperature heat conduction oil tank are respectively communicated with the low-temperature oil port and the high-temperature oil port; and the oil inlet and the oil outlet of the solar energy collector are respectively communicated with the low-temperature heat conduction oil groove and the high-temperature heat conduction oil groove.
8. The apparatus of claim 7, wherein: a low-temperature heat conduction oil pump is arranged between the low-temperature oil port and the low-temperature heat conduction oil groove, and a high-temperature heat conduction oil pump is arranged between the high-temperature heat conduction oil groove and the high-temperature oil port.
9. The apparatus of claim 5, wherein: the heater is arranged outside the heat conducting oil sleeve, and the heat insulating layer is sleeved outside the heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210758939.9A CN115026968A (en) | 2022-06-30 | 2022-06-30 | Method and device for recycling polymer resin |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210758939.9A CN115026968A (en) | 2022-06-30 | 2022-06-30 | Method and device for recycling polymer resin |
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| CN115026968A true CN115026968A (en) | 2022-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210758939.9A Pending CN115026968A (en) | 2022-06-30 | 2022-06-30 | Method and device for recycling polymer resin |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201313392Y (en) * | 2008-11-27 | 2009-09-23 | 程辉 | Heat transfer oil closed-circuit cyclic heating barrel rubber and plastic extruding device and recycled rubber and plastic production line |
| CN103587102A (en) * | 2012-08-13 | 2014-02-19 | 天津市保田农机销售有限公司 | Heat conducting oil heating pelletizer |
| CN203837303U (en) * | 2014-05-27 | 2014-09-17 | 成都博昱新能源有限公司 | Slot type solar heat storage system |
| CN107511986A (en) * | 2017-05-27 | 2017-12-26 | 侯俊民 | Heating of plastic extruder inside and outside conduction oil |
| CN113457565A (en) * | 2021-06-18 | 2021-10-01 | 南京三普造粒科技有限公司 | Continuous granulation process for powdery chemical products |
| CN218614865U (en) * | 2022-06-30 | 2023-03-14 | 山西农业大学 | Device for treating polymer resin |
-
2022
- 2022-06-30 CN CN202210758939.9A patent/CN115026968A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201313392Y (en) * | 2008-11-27 | 2009-09-23 | 程辉 | Heat transfer oil closed-circuit cyclic heating barrel rubber and plastic extruding device and recycled rubber and plastic production line |
| CN103587102A (en) * | 2012-08-13 | 2014-02-19 | 天津市保田农机销售有限公司 | Heat conducting oil heating pelletizer |
| CN203837303U (en) * | 2014-05-27 | 2014-09-17 | 成都博昱新能源有限公司 | Slot type solar heat storage system |
| CN107511986A (en) * | 2017-05-27 | 2017-12-26 | 侯俊民 | Heating of plastic extruder inside and outside conduction oil |
| CN113457565A (en) * | 2021-06-18 | 2021-10-01 | 南京三普造粒科技有限公司 | Continuous granulation process for powdery chemical products |
| CN218614865U (en) * | 2022-06-30 | 2023-03-14 | 山西农业大学 | Device for treating polymer resin |
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