CN114458015B - Method for storing plastic garbage - Google Patents
Method for storing plastic garbage Download PDFInfo
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- CN114458015B CN114458015B CN202210124603.7A CN202210124603A CN114458015B CN 114458015 B CN114458015 B CN 114458015B CN 202210124603 A CN202210124603 A CN 202210124603A CN 114458015 B CN114458015 B CN 114458015B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y70/00—Materials specially adapted for additive manufacturing
- B33Y70/10—Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/18—Waste materials; Refuse organic
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/026—Comminuting, e.g. by grinding or breaking; Defibrillating fibres other than asbestos
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00034—Physico-chemical characteristics of the mixtures
- C04B2111/00181—Mixtures specially adapted for three-dimensional printing (3DP), stereo-lithography or prototyping
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Composite Materials (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a method for storing plastic garbage, and belongs to the technical field of environmental pollution and prevention and control. The method comprises the steps of beating plastic wastes into tiny particles, mixing the tiny particles with cement, machine-made sand and water, pouring a layer of concrete during construction, obtaining cloud data of the surface of the concrete by adopting Kinect2.0, importing the data into closed component software, establishing a digital model of the surface of the concrete, filling a mixture of the plastic particles and the cement into a gully of the surface of the concrete by utilizing a 3D printing technology, pouring the next layer of concrete, repeating the steps, and filling the mixture of the plastic particles and the cement for multiple times. The method can avoid the environmental pollution caused by the direct contact of the plastic garbage and the environment, is suitable for the sealing and storing treatment of various plastic garbage, has simple and convenient treatment process, can realize the storage treatment of a large amount of plastic garbage without occupying other land resources, and has popularization significance.
Description
Technical Field
The invention relates to a method for storing plastic garbage, and belongs to the technical field of environmental pollution and prevention and control.
Background
With the development of economy and society, the use of plastic products is increasingly wide, and great convenience is brought to the daily life of people. At the same time, the white pollution problem caused by plastics is also becoming more serious, and the white pollution problem becomes a hot environmental problem which is generally concerned by countries all over the world. Therefore, a scientific and reasonable treatment method for the plastic waste is needed to realize the balance between convenient living and environmental protection.
However, the existing plastic waste treatment methods generally adopt three ways of landfill, incineration and recycling, but have great disadvantages, wherein the landfill of the plastic waste does not avoid the pollution of soil and underground water caused by the contact of the plastic waste with the soil and the underground water; a large amount of toxic gas and waste residues are generated by burning, so that secondary pollution is caused; the types of the plastic wastes which can be recycled are limited, and a large amount of manpower and material resources are consumed to classify the plastic wastes. Therefore, a method for storing plastic waste is needed to realize scientific and reasonable treatment of the plastic waste.
Disclosure of Invention
In order to solve the technical problems, the invention provides a plastic waste storage method, which utilizes a 3D printing technology to seal plastic waste in concrete, can avoid environmental pollution caused by direct contact of the plastic waste and the environment, is suitable for treatment of various plastic wastes, and has simple and convenient treatment process.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a method for storing plastic garbage, which comprises the following steps:
(1) Crushing the plastic garbage into tiny particles;
(2) Mixing the micro particles obtained in the step (1) with cement, standard machine-made sand and water to obtain a mixture of plastic particles and a cement mixture;
(3) When the concrete construction is carried out, a layer of concrete is poured in the formwork;
(4) Acquiring point cloud data of the surface of poured concrete, and establishing a digital model of the surface of the concrete;
(5) Injecting the mixture of the plastic particles and the cement mixture obtained in the step (2) into a poured concrete surface gully by using a 3D printing technology according to the digital model of the concrete surface established in the step (4);
(6) Continuing concrete construction, and pouring the next layer of concrete in the formwork;
(7) And repeating the steps, and filling the mixture of the plastic particles and the cement mixture in the gullies on the surface of the concrete for multiple times to realize the storage of the plastic garbage so that the plastic particles are not exposed to the environment.
Further, the particle size of the fine particles in the step (1) is not more than 4.75mm.
Further, in the step (2), the feed-liquid ratio of the micro-particles, the cement, the standard machine-made sand and the water is 280g:900g:2160g:450mL, and the extrudability and the stacking performance are considered, the two properties are measured by the fluidity, so that the fluidity of the mixture of the plastic particles and the cement mixture is 160-170mm, and the requirement of 3D printing is met.
Furthermore, the thickness of the concrete poured in the supporting mold each time is not more than 500mm, and the pouring process is carried out according to concrete construction Specification GB 50666-2011.
Further, the concrete needs to meet the concrete structure design code GB5001-2010.
Further, the step (4) is specifically as follows: and (3) scanning the surface of the concrete 30min before the initial setting time of the concrete by using a binocular stereo camera Kinect2.0 depth sensing to obtain point cloud data, importing the point cloud data into a three-dimensional point cloud processing software closed component, and establishing a digital model of the surface of the concrete.
Further, the step (5) is specifically as follows: and (5) converting the back surface of the digital model of the concrete surface established in the step (4) into stl format, introducing the stl format into a 3D printer, printing the mixture of the plastic particles and the cement mixture obtained in the step (2) on the concrete surface by using a 3D printing technology to form protrusions on the back surface, and injecting the protrusions into the grooves on the cast concrete surface.
Further, the 3D printing process in step (5) needs to be completed within the initial setting time of the concrete.
The invention discloses the following technical effects:
the invention aims to seal the plastic waste into the concrete of the building member, so that the concrete construction filled with the plastic waste can still be used in the building engineering. If use the concrete directly to seal up and deposit plastic refuse, then this concrete will not be used for among the actual construction because direct seal up deposit can make concrete member overall structure receive serious destruction, if so not used for the construction, directly seal up with the concrete, place in ground and will occupy a large amount of spaces, place underground just also with the landfill be as good as.
The 3D printing technique is used to fill as much as possible densely by using the space of the ravines on the surface of each layer. The operation can not greatly reduce the mechanical property of the concrete member, the amount of the added mixture is determined by the volume of the concrete gully, compared with the whole concrete member, the volume ratio is very small, the influence on the whole performance of the concrete member is not great, and then the cement in the mixture can play a role in bonding, so that the influence on the concrete member is further reduced, and meanwhile, the environmental pollution caused by direct contact of the plastic garbage and the environment can be avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a flow chart of the process for storing plastic garbage according to the present invention;
FIG. 2 is a schematic diagram of a handheld Kinect2.0 acquiring point cloud data;
FIG. 3 is a diagram showing the back of a concrete surface model obtained by importing point cloud data into a cloud component;
FIG. 4 is a schematic view of a 3D printer filled with plastic granules and cement blends.
Detailed Description
Reference will now be made in detail to various exemplary embodiments of the invention, the detailed description should not be construed as limiting the invention but as a more detailed description of certain aspects, features and embodiments of the invention.
It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Further, for numerical ranges in this disclosure, it is understood that each intervening value, between the upper and lower limit of that range, is also specifically disclosed. Every smaller range between any stated value or intervening value in a stated range and any other stated or intervening value in that stated range is encompassed within the invention. The upper and lower limits of these smaller ranges may independently be included or excluded in the range.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Although only preferred methods and materials are described herein, any methods and materials similar or equivalent to those described herein can be used in the practice or testing of the present invention. All documents mentioned in this specification are incorporated by reference herein for the purpose of disclosing and describing the methods and/or materials associated with the documents. In case of conflict with any incorporated document, the present specification will control.
It will be apparent to those skilled in the art that various modifications and variations can be made in the specific embodiments of the present disclosure without departing from the scope or spirit of the disclosure. Other embodiments will be apparent to those skilled in the art from consideration of the specification. It is intended that the specification and examples be considered as exemplary only.
As used herein, the terms "comprising," "including," "having," "containing," and the like are open-ended terms that mean including, but not limited to.
The concrete used in the embodiment of the invention conforms to the concrete structure design Specification GB5001-2010, and the pouring process is carried out according to the concrete construction Specification GB 50666-2011.
The technical solution of the present invention is further illustrated by the following examples.
The instrument used in the embodiment of the invention:
the model of the plastic garbage crusher is as follows: plastic shredder, no. 800, purchased from wenhai mechanical equipment ltd, lazhou.
Model number of hand-held kinect2.0: microsoft XBOX ONE/S Kinect2.0 sensor, purchased from Saint An computer office specialist.
The model of the computer: leishen 911Mi7-11800H/RTX3050Ti/144HZ, purchased from thunderobot-led Union exclusive shops.
Concrete mortar 3D printer model: NELD-3D730, available from Nadell Intelligent technologies, inc., beijing.
Example 1
This example was carried out at the Material testing laboratory of the institute of civil engineering, sichuan university of agriculture.
A method of plastic waste storage comprising the steps of:
(1) Crushing the plastic garbage into tiny particles with the particle size not larger than 4.75mm by using a plastic garbage crusher;
(2) Mixing 280g of the micro-particles obtained in the step (1) with 900g of cement, 450mL of water and 2160g of standard machine-made sand to obtain a mixture of plastic particles and a cement mixture, wherein the fluidity of the mixture of the plastic particles and the cement mixture is 160-170mm;
(3) When the concrete construction is carried out, a layer of concrete with the thickness of 500mm is poured in the formwork;
(4) Suspending a handheld Kinect2.0 on the surface of the scanned concrete and connecting a power supply and a computer 90min after pouring, namely 30min before the initial setting time of the concrete, opening a Visual studio2013, importing a point cloud code and configuring an environment, starting debugging, acquiring point cloud data of the surface of the poured concrete, acquiring a schematic diagram of the point cloud data shown in figure 2, pouring the point cloud data into closed component software, establishing a digital model of the surface of the concrete, removing redundant scanning parts through an intercepting function to obtain a complete digital model of the surface of the concrete, and turning over the model of the surface of the concrete to obtain a back model diagram of the surface of the concrete shown in figure 3;
(5) Converting the back surface of the digital model of the concrete surface established in the step (4) into stl format, and injecting the mixture of the plastic particles and the cement mixture obtained in the step (2) into the cast concrete surface gully by a 3D printer through a 3D printing technology;
(6) Continuing concrete construction, and pouring the next layer of concrete in the formwork;
(7) Repeating the steps, filling a mixture of plastic particles and cement mixtures in the concrete surface gullies for multiple times to store plastic garbage, and filling the plastic particles and the cement mixtures by using a 3D printer as a schematic diagram shown in figure 4.
According to the content of the embodiment of the invention, the method can accurately fill the plastic particles into gullies on the surface of the concrete, so that the plastic garbage is sealed in the concrete, the environmental pollution caused by direct contact of the plastic garbage and the environment is avoided, the storage can be realized along with the construction process, other land resources are not occupied, the storage treatment of a large amount of plastic garbage can be realized, and the method is safer and pollution-free compared with a method for landfill, incineration or recycling, and has popularization significance.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (3)
1. A method of plastic waste storage, comprising the steps of:
(1) Crushing the plastic garbage into tiny particles;
(2) Mixing the micro particles obtained in the step (1) with cement, standard machine-made sand and water to obtain a mixture of plastic particles and a cement mixture;
(3) When the concrete construction is carried out, a layer of concrete is poured in the formwork;
(4) Acquiring point cloud data of the surface of poured concrete, and establishing a digital model of the surface of the concrete;
(5) Injecting the mixture of the plastic particles and the cement mixture obtained in the step (2) into a poured concrete surface gully by using a 3D printing technology according to the concrete surface digital model established in the step (4);
(6) Continuing concrete construction, and pouring the next layer of concrete in the formwork;
(7) Repeating the steps, and filling the mixture of the plastic particles and the cement mixture in the gullies on the surface of the concrete for many times to realize the storage of the plastic garbage;
the particle size of the tiny particles in the step (1) is not more than 4.75mm;
the feed-liquid ratio of the micro particles, the cement, the standard machine-made sand and the water in the step (2) is 280:900:2160:450, respectively;
the thickness of concrete poured in the formwork each time is not more than 500mm;
and (5) finishing the 3D printing process in the initial setting time of the concrete.
2. The method for storing plastic wastes according to claim 1, wherein the step (4) is specifically: scanning the surface of the concrete by using Kinect2.0 30min before the initial setting time of the concrete to obtain point cloud data, importing the point cloud data into a closed component, and establishing a digital model of the surface of the concrete.
3. The method for storing plastic wastes according to claim 1, wherein the step (5) is specifically: and (3) converting the back surface of the digital model of the concrete surface established in the step (4) into stl format, introducing the stl format into a 3D printer, printing the mixture of the plastic particles and the cement mixture obtained in the step (2) on the concrete surface by using a 3D printing technology to form protrusions on the back surface, and injecting the protrusions into the grooves on the cast concrete surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210124603.7A CN114458015B (en) | 2022-02-10 | 2022-02-10 | Method for storing plastic garbage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210124603.7A CN114458015B (en) | 2022-02-10 | 2022-02-10 | Method for storing plastic garbage |
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| CN114458015A CN114458015A (en) | 2022-05-10 |
| CN114458015B true CN114458015B (en) | 2023-04-07 |
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