CN117821092B - Treatment system for waste fan blades through solar photo-thermal pyrolysis - Google Patents
Treatment system for waste fan blades through solar photo-thermal pyrolysis Download PDFInfo
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- CN117821092B CN117821092B CN202410138517.0A CN202410138517A CN117821092B CN 117821092 B CN117821092 B CN 117821092B CN 202410138517 A CN202410138517 A CN 202410138517A CN 117821092 B CN117821092 B CN 117821092B
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- 238000000197 pyrolysis Methods 0.000 title claims abstract description 161
- 239000002699 waste material Substances 0.000 title claims abstract description 55
- 239000000047 product Substances 0.000 claims abstract description 33
- 238000007885 magnetic separation Methods 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 239000006227 byproduct Substances 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims description 51
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 14
- 239000007787 solid Substances 0.000 claims description 14
- 239000012634 fragment Substances 0.000 claims description 13
- 238000000746 purification Methods 0.000 claims description 11
- 238000009826 distribution Methods 0.000 claims description 9
- 239000003365 glass fiber Substances 0.000 claims description 9
- 238000004321 preservation Methods 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 239000010425 asbestos Substances 0.000 claims description 7
- 229910052895 riebeckite Inorganic materials 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
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- 239000011148 porous material Substances 0.000 claims description 6
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- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 238000010517 secondary reaction Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 239000012265 solid product Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 2
- 238000009270 solid waste treatment Methods 0.000 abstract description 2
- 238000003912 environmental pollution Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
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- 238000010438 heat treatment Methods 0.000 description 3
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- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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- 230000005855 radiation Effects 0.000 description 2
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- 238000012546 transfer Methods 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
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/07—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of solid raw materials consisting of synthetic polymeric materials, e.g. tyres
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B47/00—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion
- C10B47/02—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion with stationary charge
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a treatment system for waste fan blades by solar photothermal pyrolysis, and relates to the field of solid waste treatment. The photothermal pyrolysis unit comprises a solar pyrolysis furnace, the device can effectively keep temperature and control temperature, an air inlet of the device is connected with an air tank and a flowmeter, a feeding end of the device is connected with a winnowing and magnetic separation integrated machine, an air outlet of the device is connected with a rectifying tower for separating and purifying products, and finally the obtained products are collected in a product collecting unit. The advantages are that: the solar energy resource can be reasonably utilized to carry out high-efficiency pyrolysis on the waste fan blades, and fewer reaction byproducts and environmental pollution are generated.
Description
Technical Field
The invention relates to the technical field of solid waste treatment, in particular to a treatment system for waste fan blades by solar photo-thermal pyrolysis.
Background
Along with the acceleration of industry upgrading and upgrading steps, the new energy equipment is confronted with a large number of decommissioning problems, and proper methods are necessary to process and recycle the waste fan blades.
The waste fan blades contain 65% -75% of glass fiber, 25% -35% of resin and have higher heat value, so pyrolysis is one of the common methods for recycling waste fan blades. In the pyrolysis process, resin in the waste fan blade composite material is pyrolyzed in an anoxic atmosphere, pyrolysis gas and pyrolysis oil in the product can be used as fuel after refining treatment, and pyrolytic carbon deposited on fibers can be recovered into pure fiber samples after removal. In addition, the pyrolysis process has a plurality of influencing factors, and products are greatly different at different pyrolysis temperatures. Uneven distribution of the temperature field in the pyrolysis furnace can lead to messy products, and high-value products cannot be obtained purposefully. And the conventional pyrolysis device has higher energy consumption. However, no related device can realize even distribution of temperature fields and other forms of environment-friendly energy utilization at present.
Solar photothermal pyrolysis is a technology for converting light energy into heat energy by utilizing solar energy, does not generate air pollution or water pollution, does not release harmful wastes, and can cope with climate change and slow down global warming. Meanwhile, the photothermal pyrolysis technology can be applied on a larger scale, and the dependence on the traditional energy source can be reduced. In general, the solar photo-thermal pyrolysis treatment of waste fan blades is environment-friendly, contributes to sustainable development, and is an important technology for promoting clean energy transformation.
Disclosure of Invention
The invention provides a treatment system for waste fan blades by solar photo-thermal pyrolysis, which is used for solving the defects in the prior art.
The invention provides a treatment system for waste fan blades by solar photo-thermal pyrolysis, which comprises:
the crushing and sorting unit is used for crushing and sorting waste fan blade fragment materials;
The photothermal pyrolysis unit is connected with the crushing and sorting unit and is used for pyrolyzing high molecular organic matters in the waste fan blades under the anaerobic condition to generate pyrolysis oil and pyrolysis gas, and glass fibers are left;
The rectification and purification unit is connected with the photothermal pyrolysis unit and is used for precisely separating pyrolysis oil and pyrolysis gas;
And the product collecting unit is connected with the crushing and sorting unit and the rectifying and purifying unit and is used for receiving solid, liquid and gas products, removing impurities of the solid, liquid and gas products, purifying and separating the solid, liquid and gas products and collecting the products.
According to the treatment system for solar photo-thermal pyrolysis waste fan blades provided by the invention, the crushing and sorting unit comprises:
The waste blade collecting bin is used for collecting and storing waste fan blades;
the crusher is connected with the waste blade collecting bin and is used for crushing waste fan blades;
The winnowing and magnetic separation integrated machine is connected with the crusher and is used for screening balsawood and metal materials in fan blade fragments to the product collecting unit and screening other fragments to the photothermal pyrolysis unit.
According to the treatment system for solar photo-thermal pyrolysis waste fan blades provided by the invention, the photo-thermal pyrolysis unit comprises:
the solar pyrolysis furnace is connected with the winnowing and magnetic separation integrated machine and used for pyrolyzing high polymer organic matters in fan blade fragments to leave glass fibers;
The gas tank is connected with the solar pyrolysis furnace and is used for introducing nitrogen into the solar pyrolysis furnace;
The flowmeter is arranged on a pipeline connected with the solar pyrolysis furnace and the gas tank and used for adjusting gas flow.
According to the treatment system for the waste fan blades in solar photo-thermal pyrolysis, which is provided by the invention, the rectification purification unit comprises a rectification tower, pyrolysis oil and pyrolysis gas generated in the solar pyrolysis furnace are received, and the pyrolysis oil and the pyrolysis gas are separated.
According to the treatment system for the waste fan blades by solar photo-thermal pyrolysis provided by the invention, the product collecting unit comprises:
the solid collecting bin is connected with the winnowing and magnetic separation integrated machine and is used for collecting the separated solid products;
the gas collection bin is connected with the rectifying tower and used for collecting the separated pyrolysis gas;
And the liquid collecting bin is connected with the rectifying tower and used for collecting the separated pyrolysis oil.
According to the treatment system for the waste fan blades through solar photo-thermal pyrolysis, the solar pyrolysis furnace is provided with a shell, an asbestos heat preservation layer, an inner cavity, a porous material and a thermocouple from outside to inside in sequence;
the shell adopts a hollow and breathable structure and is used for preheating gas and preserving heat of the solar pyrolysis furnace;
The inner cavity adopts a bottleneck structure, and the asbestos heat preservation layer is arranged at the outer side of the inner cavity, so that heat loss of the solar pyrolysis furnace can be effectively prevented;
the porous material can effectively uniform the temperature distribution in the solar pyrolysis furnace, and reduce secondary reaction and the generation of byproducts;
The thermocouple is used for temperature monitoring and detecting the reaction temperature in the solar pyrolysis furnace.
According to the treatment system for solar photo-thermal pyrolysis waste fan blades, quartz glass and a variable flange are connected to the top of the inner cavity;
The included angle between the quartz glass and the inner wall of the solar pyrolysis furnace cavity is 45 degrees, so that the solar energy absorption efficiency can be improved, and the greenhouse effect can prevent the heat loss of the solar pyrolysis furnace;
the variable flange can be matched with the thermocouple to control the sunlight entering quantity and the reaction temperature in the solar pyrolysis furnace.
According to the treatment system for the waste fan blades through solar photo-thermal pyrolysis, the left and right of the solar pyrolysis furnace chamber are respectively provided with the air inlets with the diameters of 5mm, and air flows enter the solar pyrolysis furnace through the air inlets to clean and protect quartz glass.
According to the treatment system for the waste fan blades by solar photo-thermal pyrolysis, an air outlet with the diameter of 8mm is arranged at the bottom of the cavity of the solar pyrolysis furnace, and the air outlet is connected with the rectification purification unit.
According to the treatment system for the waste fan blades by solar photo-thermal pyrolysis, provided by the invention, solar resources are reasonably utilized by a solar photo-thermal pyrolysis technology, so that the resources are greatly saved, and the purposes of cleaning and environmental protection are realized; the mechanical and pyrolysis combined process is adopted, the particle size can be reduced and impurities can be removed by crushing and separation, the efficiency is greatly improved while reaction byproducts are reduced, and the pyrolysis process adopts an anaerobic condition, so that the recycling utilization can be effectively realized and the generation of harmful substances such as dioxin can be avoided; the solar pyrolysis furnace of the photo-thermal pyrolysis unit has good heat preservation design, so that heat loss can be reduced, and the porous medium filled in the inner cavity of the solar pyrolysis furnace can effectively and uniformly distribute the temperature, so that secondary reaction is avoided to generate byproducts; the rectification and purification unit is combined with the product collection unit, so that the products can be classified to directly obtain corresponding organic matters.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural diagram of a solar photo-thermal pyrolysis waste fan blade system provided by an embodiment of the invention;
fig. 2 is a schematic structural diagram of a solar thermal pyrolysis furnace of a thermal pyrolysis unit according to an embodiment of the present invention;
FIG. 3 is a cloud chart of the gas phase temperature distribution of the photo-thermal pyrolysis furnace with porous medium provided by the embodiment of the invention;
fig. 4 is a cloud chart of gas phase temperature distribution of a photo-thermal pyrolysis furnace without porous medium according to an embodiment of the invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the application provides a treatment system for waste fan blades by solar photo-thermal pyrolysis, which comprises the following steps:
the crushing and sorting unit is used for crushing and sorting waste fan blade fragment materials;
The photothermal pyrolysis unit is connected with the crushing and sorting unit and is used for pyrolyzing high molecular organic matters in the waste fan blades under the anaerobic condition to generate pyrolysis oil and pyrolysis gas, and glass fibers are left;
The rectification and purification unit is connected with the photothermal pyrolysis unit and is used for precisely separating pyrolysis oil and pyrolysis gas;
And the product collecting unit is connected with the crushing and sorting unit and the rectifying and purifying unit and is used for receiving solid, liquid and gas products, removing impurities of the solid, liquid and gas products, purifying and separating the solid, liquid and gas products and collecting the products.
Specifically, crushed waste fan blade fragment materials with different categories can be obtained through the treatment of the crushing and sorting unit; the photo-thermal pyrolysis unit can pyrolyze high molecular organic matters such as resin, PET and the like in waste fan blades to generate pyrolysis oil and pyrolysis gas under the anaerobic condition, and glass fibers are left; the pyrolysis oil and the pyrolysis gas can be separated through the rectification purification unit, so that the pyrolysis oil and the pyrolysis gas are respectively obtained; the obtained solid, liquid and gas products can be further removed, purified and separated by the product collecting unit, and finally collected.
In order to further optimize the above technical solution, the crushing and sorting unit comprises:
the waste blade collecting bin 1 is used for collecting and storing waste fan blades;
The crusher 2 is connected with the waste blade collecting bin 1 and is used for crushing waste fan blades;
The winnowing and magnetic separation integrated machine 3 is connected with the crusher 2 and is used for screening balsawood and metal materials in fan blade fragments to the product collecting unit and screening other fragments to the photothermal pyrolysis unit.
The crusher 2 adopts a bite crusher to crush the waste fan blades finely; for convenient transportation, the step is optimally carried out in the waste fan blade wind field; the winnowing and magnetic separation integrated machine 3 adopts a magnetic separation and winnowing mode to remove light materials such as balsawood and magnetic materials such as iron sheets, and the production of subsequent reaction byproducts can be reduced.
In order to further optimize the above technical solution, the photothermal pyrolysis unit comprises:
The solar pyrolysis furnace 8 is connected with the winnowing and magnetic separation integrated machine 3 and is used for pyrolyzing high polymer organic matters in fan blade fragments to leave glass fibers;
The gas tank 10 is connected with the solar pyrolysis furnace 8 and is used for introducing nitrogen into the solar pyrolysis furnace 8;
And the flowmeter 9 is arranged on a pipeline connected with the solar pyrolysis furnace 8 and the gas tank 10 and is used for adjusting the gas flow.
The solar pyrolysis furnace 8 is a chamber pyrolysis furnace.
In order to further optimize the technical scheme, the rectification and purification unit comprises a rectification tower 7 for receiving pyrolysis oil and pyrolysis gas generated in the solar pyrolysis furnace 8 and separating the pyrolysis oil and the pyrolysis gas.
To further optimize the above technical solution, the product collection unit comprises:
The solid collecting bin 4 is connected with the winnowing and magnetic separation integrated machine 3 and is used for collecting separated solid products;
The gas collection bin 5 is connected with the rectifying tower 7 and is used for collecting the separated pyrolysis gas;
and the liquid collecting bin 6 is connected with the rectifying tower 7 and is used for collecting the separated pyrolysis oil.
In order to further optimize the technical scheme, the solar pyrolysis furnace 8 is provided with a shell 14, an asbestos insulating layer 15, an inner cavity 13, a porous material 16 and a thermocouple 17 from outside to inside in sequence;
the shell 14 adopts a hollow and breathable structure and is used for preheating gas and preserving heat of a solar pyrolysis furnace;
the inner cavity 13 adopts a bottleneck structure, and the asbestos heat preservation layer 15 is arranged at the outer side of the inner cavity 13, so that heat dissipation of the solar pyrolysis furnace can be effectively prevented;
The porous material 16 can effectively uniform the temperature distribution in the solar pyrolysis furnace 8, and reduce secondary reaction and the generation of byproducts;
The thermocouple 17 is used for temperature monitoring and detecting the reaction temperature in the solar pyrolysis furnace 8.
In order to further optimize the technical scheme, the top of the inner cavity 13 is connected with quartz glass 12 and a variable flange 11;
The quartz glass 12 forms an included angle of 45 degrees with the inner wall of the cavity of the solar pyrolysis furnace 8, so that the solar energy absorption efficiency can be improved, and the greenhouse effect can prevent the heat loss of the solar pyrolysis furnace 8;
The variable flange 11 can be matched with the thermocouple 17 to control the sunlight entering quantity and the reaction temperature in the solar pyrolysis furnace 8.
Specifically, the upper end of the inner cavity of the solar pyrolysis furnace 8 is provided with a piece of transparent quartz glass 12 with the diameter of 110mm, and the middle cavity is filled with foam copper which is a porous medium material; the quartz glass 12 can absorb and focus sunlight and then project the sunlight to the middle cavity part of the pyrolysis furnace so as to effectively heat porous media in the cavity, and the quartz glass 12 can also generate a 'greenhouse effect' to reduce the outward heat transfer of the pyrolysis furnace through radiation heat transfer, so that the normal operation of the reaction in the cavity is promoted; the included angle between the quartz glass and the inner wall surface of the cavity is 45 degrees, and the design purpose is to effectively improve the solar energy absorption efficiency of the pyrolysis furnace.
The energy source of the solar pyrolysis furnace 8 is completely provided by solar energy, so that the temperature control and heat preservation design are particularly important. In terms of temperature control, the temperature of the glass fiber and the organic matters prepared by fan blade treatment is about 500-800 ℃. In order to detect the temperature distribution of the solar pyrolysis furnace 8, the temperature distribution with or without the porous medium 16 was simulated by using Fluent simulation, as shown in fig. 3 and 4. The porous medium 16 can be found, the inner cavity is uniformly distributed, the highest temperature can reach 1200K (-930 ℃), and the treatment conditions of the waste fan blade are met; under the condition of no porous medium, the temperature difference of the inner cavity is larger than 850-1200K (580-930 ℃), so that a plurality of byproducts are generated, and the waste fan blade recycling treatment is not facilitated. The temperature can be monitored by a thermocouple 17 and effectively controlled by adjusting the amount of incoming light by a variable flange 11. In the aspect of heat preservation design, the shell 14 adopts a hollow design, so that inflow gas is preheated on one hand, and a good heat preservation effect is achieved on the other hand. The bottleneck structure is adopted above the inner cavity 13, so that the heat of the inner cavity 13 can be effectively locked. The heat insulation property of the asbestos layer 15 and the greenhouse effect of the quartz glass 12 can effectively prevent the heat loss of the solar pyrolysis furnace 8.
In order to further optimize the technical scheme, the left and right cavities of the solar pyrolysis furnace 8 are respectively provided with an air inlet with the diameter of 5mm, and air flow enters the solar pyrolysis furnace through the air inlet to clean and protect quartz glass.
Specifically, the left and right of the cavity of the solar pyrolysis furnace 8 are respectively provided with an air inlet with the diameter of 5mm, and air flows into the solar pyrolysis furnace 8 in opposite directions through the left inlet and the right inlet in the horizontal direction. The two air flows are converged near the central axis of the solar pyrolysis furnace 8 and then flow to the porous medium area of the inner cavity, heat exchange occurs in the porous medium area, and finally flow out of the pyrolysis furnace. The left and right air flows are fully swept, so that the quartz glass 12 is cleaned and protected, and meanwhile, solid magazine deposition is not easy to generate in the quartz glass 12 window, and the obstruction to the incidence of solar radiation light is avoided.
In order to further optimize the technical scheme, the bottom of the cavity of the solar pyrolysis furnace 8 is provided with an air outlet with the diameter of 8mm, and the air outlet is connected with the rectification and purification unit.
The processing system processes the waste fan blade: the waste fan blades in the waste blade collecting bin 1 are crushed by the crusher 2 and then conveyed into the winnowing and magnetic separation integrated machine 3 for separation, balsawood and metal materials are input into the solid collecting box 4, and meanwhile, the rest crushed products are conveyed into the inner cavity 13 of the solar pyrolysis furnace 8, so that the crushed products are uniformly distributed in the porous medium 16. And (3) opening a gas tank 10, introducing nitrogen, adjusting a flow meter 9 to purge the inside of the solar pyrolysis furnace 8 at a flow rate of 100ml/min, opening a variable flange 11 to start heating the solar pyrolysis furnace 8 by solar energy after the air is exhausted, keeping the temperature for 10min after heating to 600 ℃, and closing the variable flange 11 after the reaction is finished. The heating process should be monitored for temperature by thermocouple 17 and temperature regulated by variable flange 11. And the pyrolyzed pyrolysis gas is introduced into a rectifying tower 7 to separate liquid from gas, pyrolysis oil is finally collected in a liquid collecting bin 6, and the pyrolysis gas is collected in a gas collecting tank 5.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (4)
1. A processing system of solar photo-thermal pyrolysis waste fan blades is characterized by comprising:
the crushing and sorting unit is used for crushing and sorting waste fan blade fragment materials;
The photothermal pyrolysis unit is connected with the crushing and sorting unit and is used for pyrolyzing high molecular organic matters in the waste fan blades under the anaerobic condition to generate pyrolysis oil and pyrolysis gas, and glass fibers are left;
The rectification and purification unit is connected with the photothermal pyrolysis unit and is used for precisely separating pyrolysis oil and pyrolysis gas;
The product collecting unit is connected with the crushing and sorting unit and the rectifying and purifying unit and is used for receiving solid, liquid and gas products, removing impurities of the solid, liquid and gas products, purifying and separating the impurities and collecting the products;
the photothermal pyrolysis unit includes:
The solar pyrolysis furnace is connected with the winnowing and magnetic separation integrated machine and used for pyrolyzing high polymer organic matters in fan blade fragments to leave glass fibers;
The gas tank is connected with the solar pyrolysis furnace and is used for introducing nitrogen into the solar pyrolysis furnace;
The flowmeter is arranged on a pipeline connected with the solar pyrolysis furnace and the gas tank and used for adjusting the gas flow;
the solar pyrolysis furnace is provided with a shell, an asbestos heat preservation layer, an inner cavity, a porous material and a thermocouple from outside to inside in sequence;
the shell adopts a hollow and breathable structure and is used for preheating gas and preserving heat of the solar pyrolysis furnace;
The inner cavity adopts a bottleneck structure, and the asbestos heat preservation layer is arranged at the outer side of the inner cavity, so that heat loss of the solar pyrolysis furnace can be effectively prevented;
the porous material can effectively uniform the temperature distribution in the solar pyrolysis furnace, and reduce secondary reaction and the generation of byproducts;
the thermocouple is used for monitoring the temperature and detecting the reaction temperature in the solar pyrolysis furnace;
The top of the inner cavity is connected with quartz glass and a variable flange;
The included angle between the quartz glass and the inner wall of the solar pyrolysis furnace cavity is 45 degrees, so that the solar energy absorption efficiency can be improved, and the greenhouse effect can prevent the heat loss of the solar pyrolysis furnace;
The variable flange can be matched with the thermocouple to control the sunlight entering quantity and the reaction temperature in the solar pyrolysis furnace;
The left and right sides of the solar pyrolysis furnace chamber are respectively provided with an air inlet with the diameter of 5mm, and air flow enters the solar pyrolysis furnace through the air inlet to clean and protect quartz glass;
The bottom of the solar pyrolysis furnace chamber is provided with an air outlet with the diameter of 8mm, and the air outlet is connected with the rectification purification unit.
2. The solar photo-thermal pyrolysis waste fan blade treatment system according to claim 1, wherein,
The crushing and sorting unit includes:
The waste blade collecting bin is used for collecting and storing waste fan blades;
the crusher is connected with the waste blade collecting bin and is used for crushing waste fan blades;
The winnowing and magnetic separation integrated machine is connected with the crusher and is used for screening balsawood and metal materials in fan blade fragments to the product collecting unit and screening other fragments to the photothermal pyrolysis unit.
3. The system for treating waste fan blades for solar photothermal pyrolysis according to claim 1, wherein the rectification and purification unit comprises a rectification tower for receiving pyrolysis oil and pyrolysis gas generated in the solar pyrolysis furnace and separating the pyrolysis oil and the pyrolysis gas.
4. The treatment system for solar photothermal pyrolysis waste fan blades according to claim 3, wherein,
The product collection unit comprises:
the solid collecting bin is connected with the winnowing and magnetic separation integrated machine and is used for collecting the separated solid products;
the gas collection bin is connected with the rectifying tower and used for collecting the separated pyrolysis gas;
And the liquid collecting bin is connected with the rectifying tower and used for collecting the separated pyrolysis oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410138517.0A CN117821092B (en) | 2024-01-31 | 2024-01-31 | Treatment system for waste fan blades through solar photo-thermal pyrolysis |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410138517.0A CN117821092B (en) | 2024-01-31 | 2024-01-31 | Treatment system for waste fan blades through solar photo-thermal pyrolysis |
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| Publication Number | Publication Date |
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| CN117821092A CN117821092A (en) | 2024-04-05 |
| CN117821092B true CN117821092B (en) | 2024-07-09 |
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