CN115090656A - Comprehensive disposal system and comprehensive disposal method for fan blades - Google Patents
Comprehensive disposal system and comprehensive disposal method for fan blades Download PDFInfo
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- CN115090656A CN115090656A CN202210516396.XA CN202210516396A CN115090656A CN 115090656 A CN115090656 A CN 115090656A CN 202210516396 A CN202210516396 A CN 202210516396A CN 115090656 A CN115090656 A CN 115090656A
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- pyrolysis
- incineration
- flue gas
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000000197 pyrolysis Methods 0.000 claims abstract description 41
- 238000002156 mixing Methods 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 19
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 17
- 230000023556 desulfurization Effects 0.000 claims abstract description 17
- 238000006298 dechlorination reaction Methods 0.000 claims abstract description 15
- 239000000460 chlorine Substances 0.000 claims abstract description 14
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000003365 glass fiber Substances 0.000 claims description 22
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 19
- 239000003546 flue gas Substances 0.000 claims description 19
- 239000010440 gypsum Substances 0.000 claims description 19
- 229910052602 gypsum Inorganic materials 0.000 claims description 19
- 238000000926 separation method Methods 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 239000002023 wood Substances 0.000 claims description 7
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 6
- 239000004800 polyvinyl chloride Substances 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 claims description 3
- 239000002737 fuel gas Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 238000007711 solidification Methods 0.000 claims description 2
- 230000008023 solidification Effects 0.000 claims description 2
- 239000002131 composite material Substances 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 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 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 3
- 239000002910 solid waste Substances 0.000 description 3
- 240000007182 Ochroma pyramidale Species 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 238000009270 solid waste treatment Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
- B09B3/35—Shredding, crushing or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
- B09B3/38—Stirring or kneading
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/70—Chemical treatment, e.g. pH adjustment or oxidation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/003—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals for used articles
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to a comprehensive disposal system and a comprehensive disposal method for fan blades. In the prior art, serious chlorine corrosion and dioxin pollution can be caused by direct incineration, pyrolysis treatment is difficult to directly apply to composite material treatment, a large amount of corner waste materials are generated by mechanical cutting and difficult to utilize, and about 25% of materials for blade treatment are difficult to realize and utilize. The invention comprises the following components: cutting system (1), cutting system are one-way to be connected with deconstruction system (2), deconstruction system is one-way to be connected with piece-rate system (5), piece-rate system divides the three routes to be connected with incineration system (3), mixing system (6), pyrolysis system (9) respectively, incineration system respectively with desulfurization system (4), pyrolysis system connection, pyrolysis system and dechlorination system (10) are connected, dechlorination system with incineration system, desulfurization system, water charging system (7) respectively with mixing system connection, mixing system is connected with forming system (8). The invention is used for the comprehensive treatment system of the fan blade.
Description
Technical Field
The invention relates to the technical field of solid waste disposal, in particular to a comprehensive disposal system and a comprehensive disposal method for fan blades.
Background
In the process of low-carbon energy transformation, novel solid wastes generated in various new energy fields gradually attract the attention of the industry, and the fan blade has the characteristics of large volume, high treatment difficulty, tight large-scale retirement time and the like, so that the problem which needs to be solved urgently in the solid waste treatment industry and the power industry is solved; although the material composition varies from type to type and blade manufacturer, the blades are typically composed of materials such as reinforced fibers, polyester or polyurethane, PVC, resin, balsa or foam; different from easily-recycled thermoplastic plastics which can be melted, the direct recycling value of the thermosetting composite materials such as the blades is lower, and the recycling difficulty of high-value glass fibers is higher;
there are three main disposal techniques for the current prior art blade:
(1) the method is an incineration disposal, and although the incineration can realize blade reduction disposal, the incineration technology can bring serious problems of environmental protection and pollution control because the materials of PVC, epoxy resin and other high polymer materials and balsa wood and other materials which have combustion reaction in the incineration process mainly cause serious chlorine corrosion and dioxin generation problems;
(2) the method is pyrolysis treatment, and the small-scale laboratory research is basically aimed at the pyrolysis of the fan blade at the present stage, and the existing research shows that the contradiction between the glass fiber performance and the pyrolysis efficiency is difficult to solve by pyrolysis, so that the method is difficult to be directly applied to the treatment of the composite material at present;
(3) the method is mechanical cutting, waste blades are divided into different types, and the method can be used for building structures such as table and chair facilities, outdoor shed roofs, board house wallboards and the like, but the technology is difficult to become a large-scale solution, the defects that corner waste materials are difficult to utilize exist, and 25% of materials for treating the blades are difficult to utilize at present.
Disclosure of Invention
The invention aims to provide a comprehensive disposal system and a comprehensive disposal method for fan blades.
The above purpose is realized by the following technical scheme:
a fan blade integrated disposal system, comprising: the cutting system, the cutting system one-way with deconstruction the headtotail, deconstruction the one-way with the piece-rate system connection of system, the piece-rate system divide the three routes respectively with burn the system, blend the system, the pyrolysis system is connected, the pyrolysis system with dechlorination headtotail, dechlorination system with burn the system, desulfurization system, water charging system respectively with blend the headtotail, blend the system and the shaping headtotail.
A comprehensive disposal system and a comprehensive disposal method for fan blades are disclosed, the method comprises the following steps:
firstly, a cutting system cuts and processes a whole blade into a large-section material, and then the large-section material is sent to a deconstruction system for deconstruction and crushing to form a mixture of chopped glass fibers, glass fiber powder, crushed wood, crushed structural adhesive and crushed PVC material;
the mixture is separated and separated by a separation system and then is respectively sent into different subsystems for treatment, PVC with higher chlorine content is sent into a pyrolysis system, glass fiber powder, wood chips and structural adhesive with higher heat value are sent into an incineration system, and short glass fibers with reserved strength are sent into the separation system;
burning materials with a calorific value in the burning system to generate high-temperature flue gas, sending 5-30% of the high-temperature flue gas to the pyrolysis system to provide heat for the pyrolysis system, and enabling the rest of the high-temperature flue gas to enter the desulfurization system to perform desulfurization treatment to generate desulfurized gypsum;
performing pyrolysis treatment on PVC in the pyrolysis system to generate chlorine-containing flue gas, enabling the chlorine-containing flue gas to enter a dechlorination system for dechlorination, returning the generated low-chlorine/chlorine-free flue gas to an incineration system for incineration, and utilizing fuel gas generated by PVC pyrolysis;
desulfurized gypsum and short glass fiber enter the mixing system, and the water replenishing system replenishes water to the mixing system, ensures that the mixing is even, reduces the mixing energy consumption, and the reinforcing gypsum that forms enters the molding system to carry out the shaping solidification, output reinforcing gypsum product.
Has the advantages that:
1. the invention relates to a comprehensive disposal system and a comprehensive disposal method for a fan blade.
2. According to the invention, the sorted chopped glass fibers are mixed with the desulfurized gypsum, so that the value of the bulk solid wastes such as desulfurized gypsum is effectively improved, and the problem of treatment of the desulfurized gypsum is solved.
3. The system adopts a system coupling design, the desulfurized gypsum generated by the incineration system is mixed with the chopped glass fibers generated by the sorting system, the hot flue gas generated by the incineration system can be used for providing a heat source for the pyrolysis system, the pyrolysis gas generated by the pyrolysis system can be used as a fuel for the combustion of the incineration system, the reliability and the economy of the system are higher, and the popularization and the application of the system are facilitated.
Description of the drawings:
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a working block diagram of the present invention.
Wherein: 1. cutting system, 2, deconstruction system, 3, burning system, 4, desulfurization system, 5, separation system, 6, blending system, 7, moisturizing system, 8, shaping system, 9, pyrolysis system, 10, dechlorination system.
The specific implementation mode is as follows:
example 1:
a fan blade integrated disposal system, comprising: cutting system 1, cutting system one-way and deconstruction system 2 be connected, deconstruction system one-way and separation system 5 be connected, separation system divide the three routes respectively with burn system 3, mixing system 6, pyrolysis system 9 and be connected, burn the system respectively with desulfurization system 4 pyrolysis system connect, pyrolysis system and dechlorination system 10 be connected, dechlorination system with burn the system, desulfurization system, moisturizing system 7 respectively with mixing system connect, mixing system be connected with forming system 8.
Example 2:
the integrated disposal method of the fan blade integrated disposal system according to embodiment 1, comprising the steps of:
firstly, a cutting system cuts and processes a whole blade into a large-section material, and then the large-section material is sent to a deconstruction system for deconstruction and crushing to form a mixture of chopped glass fibers, glass fiber powder, crushed wood, crushed structural adhesive and crushed PVC material;
the mixture is separated and separated by a separation system and then is respectively sent into different subsystems for treatment, PVC with higher chlorine content is sent into a pyrolysis system, glass fiber powder, wood chips and structural adhesive with higher heat value are sent into an incineration system, and short glass fibers with reserved strength are sent into the separation system;
burning materials with a calorific value in the burning system to generate high-temperature flue gas, sending 5-30% of the high-temperature flue gas to the pyrolysis system to provide heat for the pyrolysis system, and enabling the rest of the high-temperature flue gas to enter the desulfurization system to perform desulfurization treatment to generate desulfurized gypsum;
performing pyrolysis treatment on PVC in the pyrolysis system to generate chlorine-containing flue gas, enabling the chlorine-containing flue gas to enter a dechlorination system for dechlorination, returning the generated low-chlorine/chlorine-free flue gas to an incineration system for incineration, and utilizing fuel gas generated by PVC pyrolysis;
the desulfurized gypsum and the chopped glass fiber enter a mixing system, a water supplementing system supplements water to the mixing system, so that uniform mixing is ensured, mixing energy consumption is reduced, the formed reinforced gypsum enters a forming system for forming and solidifying, and a reinforced gypsum product is produced;
the cutting system mainly comprises a sliding table saw, a handheld saw and other equipment; the deconstruction system mainly comprises a shearing and crushing device; the incineration system mainly comprises an incinerator and other equipment, and can be a coal-fired power plant boiler, a rotary kiln incinerator, a fluidized bed incinerator and the like;
the desulfurization system mainly comprises wet desulfurization equipment, namely a device for desulfurization by using limestone slurry;
the separation system can realize the separation of materials such as short glass fibers, glass fiber powder, broken wood, broken structural adhesive, broken PVC and the like, and comprises but is not limited to a screening device, a winnowing device, a hydraulic flotation device and the like and a combination thereof;
the mixing system can realize the uniform mixing of the desulfurized gypsum and the chopped glass fiber and mainly comprises a rotary stirrer and other equipment;
the water replenishing system is used for replenishing water in a blending system and mainly comprises equipment and containers such as a water pump, a water bin and the like;
the forming system mainly comprises drying equipment, a forming die and the like, and the produced gypsum product mainly comprises a gypsum board;
the pyrolysis system mainly comprises a rotary or fluidized bed type pyrolysis furnace;
the desulfurization system mainly removes acidic substances (mainly HCl) in the pyrolysis gas by spraying alkaline substances, wherein the alkaline substances include but are not limited to sodium carbonate, sodium bicarbonate and calcium hydroxide, and the spraying form can be alkaline substance dry powder or alkaline substance solution.
Claims (2)
1. A fan blade integrated disposal system, comprising: cutting system, characterized by: the cutting system one-way with deconstruction the headtotail, deconstruction the headtotail with the piece-rate system, the piece-rate system divide the three routes to be connected with system, blending system, pyrolysis system respectively, the system of burning respectively with desulfurization system pyrolysis system connect, pyrolysis system and dechlorination headtotail, the dechlorination system with system of burning, desulfurization system, water charging system respectively with blending system connect, blending system be connected with the shaping system.
2. A comprehensive disposal method of the fan blade comprehensive disposal system of claim 1, characterized in that: the method comprises the following steps:
firstly, a cutting system cuts and processes the whole blade into large-section materials, and then the large-section materials are conveyed to a deconstruction system for deconstruction and crushing to form a mixture of chopped glass fibers, glass fiber powder, wood chips, structural adhesive and PVC (polyvinyl chloride) materials;
the mixture is separated and separated by a separation system and then is respectively sent into different subsystems for treatment, PVC with higher chlorine content is sent into a pyrolysis system, glass fiber powder, wood chips and structural adhesive with higher heat value are sent into an incineration system, and short glass fibers with reserved strength are sent into the separation system;
burning materials with calorific values in the burning system to generate high-temperature flue gas, sending 5-30% of the high-temperature flue gas to the pyrolysis system to provide heat for the pyrolysis system, and enabling the rest of the high-temperature flue gas to enter a desulfurization system to be desulfurized to generate desulfurized gypsum;
performing pyrolysis treatment on PVC in the pyrolysis system to generate chlorine-containing flue gas, enabling the chlorine-containing flue gas to enter a dechlorination system for dechlorination, returning the generated low-chlorine/chlorine-free flue gas to an incineration system for incineration, and utilizing fuel gas generated by PVC pyrolysis;
desulfurized gypsum and short glass fiber enter the mixing system, and the water replenishing system replenishes water to the mixing system, ensures that the mixing is even, reduces the mixing energy consumption, and the reinforcing gypsum that forms enters the molding system to carry out the shaping solidification, output reinforcing gypsum product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210516396.XA CN115090656A (en) | 2022-05-13 | 2022-05-13 | Comprehensive disposal system and comprehensive disposal method for fan blades |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210516396.XA CN115090656A (en) | 2022-05-13 | 2022-05-13 | Comprehensive disposal system and comprehensive disposal method for fan blades |
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| Publication Number | Publication Date |
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| CN115090656A true CN115090656A (en) | 2022-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210516396.XA Pending CN115090656A (en) | 2022-05-13 | 2022-05-13 | Comprehensive disposal system and comprehensive disposal method for fan blades |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115446083A (en) * | 2022-10-08 | 2022-12-09 | 湖州明境环保科技有限公司 | Retired fan blade recycling device and method based on waste reduction |
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2022
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115446083A (en) * | 2022-10-08 | 2022-12-09 | 湖州明境环保科技有限公司 | Retired fan blade recycling device and method based on waste reduction |
| CN115446083B (en) * | 2022-10-08 | 2023-09-22 | 湖州明境环保科技有限公司 | Retired fan blade recovery device and method based on waste decrement |
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