Comprehensive treatment method and system for secondary utilization of demolished old construction waste

Abstract

The invention relates to the technical field of construction waste recovery treatment, in particular to a comprehensive treatment method and system for secondary utilization of demolished old construction waste. Comprising a garbage classification module, a steel bar processing module, a concrete and brick slag treatment module, a wood chip treatment module, a plastic treatment module, a household garbage treatment module and a comprehensive control end, the garbage classification module comprises a winnowing unit, a magnetic separation unit and a screening unit, and the steel bar processing module comprises a cleaning unit, a rust removal unit and a classification recovery unit. The concrete and brick slag treatment module comprises a crushing unit and a screening storage unit, the wood chip treatment module comprises a crushing unit and a compression molding unit, and the plastic treatment module comprises a cutting crushing unit and a melting regeneration unit. And the garbage landfill amount and incineration pollutant emission are reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of construction waste recycling and treatment, and in particular to a comprehensive treatment method and system for the secondary utilization of demolished old construction waste. Background Art

[0002] As the pace of urban renewal and transformation continues to accelerate, the demolition of old buildings has gradually become an important link. However, a large amount of construction waste, such as steel bars, concrete, brick slag, wood chips, plastics and domestic garbage, not only occupies land resources, but also pollutes the environment. The low utilization rate of construction waste has become a major pain point in waste management.

[0003] At present, the treatment methods for single types of construction waste, such as recycling steel bars or crushing and reusing brick slag, are relatively mature, but there is a lack of an integrated, efficient technical system that can simultaneously process multiple types of waste. Summary of the invention

[0004] The purpose of the present invention is to provide a comprehensive treatment method and system for the secondary utilization of demolished old construction waste, aiming to solve the technical problem that the existing technology is relatively mature for the treatment of a single type of construction waste, such as steel bar recycling or brick slag crushing and reuse, but lacks an integrated, efficient technical system that can simultaneously process multiple wastes.

[0005] To achieve the above-mentioned purpose, the present invention adopts a comprehensive treatment system for the secondary utilization of dismantled old construction waste, including a garbage classification module, a steel bar processing module, a concrete and brick slag processing module, a wood chip processing module, a plastic processing module, a domestic waste processing module and a comprehensive control terminal, wherein the garbage classification module includes an air separation unit, a magnetic separation unit and a screening unit, the steel bar processing module includes a cleaning unit, a rust removal unit and a classification recovery unit, the concrete and brick slag processing module includes a crushing unit and a screening storage unit, the wood chip processing module includes a crushing unit and a compression molding unit, the plastic processing module includes a cutting and crushing unit and a melting and regeneration unit, the domestic waste processing module includes an organic waste processing unit and an inorganic waste incineration unit, and the garbage classification module, the steel bar processing module, the concrete and brick slag processing module, the wood chip processing module, the plastic processing module, and the domestic waste processing module are all connected to the comprehensive control terminal;

[0006] The waste classification module is used to efficiently classify the demolished old building waste by air separation, magnetic separation and screening technology;

[0007] The steel bar processing module is used to process the steps of cleaning, rust removal, classification and recycling of the classified steel bars;

[0008] The concrete and brick slag processing module is used to crush, screen and store the classified concrete and brick slag to produce aggregates of different particle sizes;

[0009] The sawdust processing module is used to crush and compress the classified sawdust into biomass fuel blocks or artificial boards;

[0010] The plastic processing module is used to cut, crush, melt and regenerate the classified plastics into recycled plastic particles;

[0011] The domestic waste treatment module is used to compost or anaerobic ferment the classified organic waste, and incinerate the inorganic waste and non-recyclable parts to generate electricity;

[0012] The integrated control terminal is used for integrated control and coordination of the entire system.

[0013] Wherein, the air selection unit includes an air power subunit, a material guide subunit and a separation and collection subunit, the magnetic separation unit includes a magnetic separation subunit, a material conveying subunit and a non-magnetic material exclusion subunit, the screening unit includes a garbage screening subunit and a material distribution subunit, the air power subunit, the material guide subunit and the separation and collection subunit are all connected to the integrated control end, the magnetic separation subunit, the material conveying subunit and the non-magnetic material exclusion subunit are all connected to the integrated control end, and the garbage screening subunit and the material conveying subunit are all connected to the integrated control end;

[0014] The material guiding subunit is used to guide the material into the aerodynamic subunit area to ensure the separation effect;

[0015] The separation and collection subunit is used to distinguish between light and heavy materials collected on the material guiding subunit;

[0016] The aerodynamic subunit is used to provide wind force and separate light and heavy materials using aerodynamic principles;

[0017] The material conveying subunit is used to convey the material to the magnetic separation subunit;

[0018] The magnetic separator unit is used to separate the magnetic material of the steel bars using a strong magnet to absorb the iron objects;

[0019] The non-magnetic material removal subunit is used to process and remove non-magnetic materials;

[0020] The material distribution subunit is used to transport the material to the garbage screening subunit;

[0021] The garbage screening molecular unit is used to separate materials of different particle sizes through vibration.

[0022] Wherein, the cleaning unit includes a high-pressure cleaning subunit and a cleaning agent supply subunit, the rust removal unit includes a rust removal subunit, a rust collection subunit and a material protection subunit, the classification and recycling unit includes a material classification subunit, a recycling subunit and a waste treatment subunit, the high-pressure cleaning subunit and the cleaning agent supply subunit are both connected to the integrated control end, the rust removal subunit, the rust collection subunit and the material protection subunit are all connected to the integrated control end, and the material classification subunit, the recycling subunit and the waste treatment subunit are all connected to the integrated control end;

[0023] The high-pressure cleaning subunit is used to clean impurities on the surface of materials such as steel bars by using high-pressure water flow;

[0024] The cleaning agent supply subunit is used to provide cleaning agent to the high-pressure cleaning subunit;

[0025] The rust removal subunit is used to remove rust on the surface of the steel bar by physical or chemical methods;

[0026] The rust collection subunit is used to collect and process the rust generated by the rust removal subunit during the rust removal process;

[0027] The material protection subunit is used to ensure that the material is not damaged during the rust removal process of the rust removal subunit;

[0028] The material classification subunit is used to classify materials according to their properties;

[0029] The recycling subunit is used to recycle the classified materials;

[0030] The waste treatment subunit is used to treat non-recyclable waste.

[0031] The crushing unit includes a crushing subunit, a crushing control subunit and a crushed material collecting subunit, the screening and storage unit includes a concrete and brick slag screening subunit and an aggregate conveying subunit, the crushing subunit, the crushing control subunit and the crushed material collecting subunit are all connected to the comprehensive control end, and the concrete and brick slag screening subunit and the aggregate conveying subunit are all connected to the comprehensive control end;

[0032] The crushing control subunit is used to ensure that the material enters the crushing subunit evenly and control the degree of crushing;

[0033] The crushing subunit is used to crush concrete and brick slag materials into aggregates of different particle sizes;

[0034] The crushed material collecting subunit is used to collect crushed aggregates;

[0035] The concrete and brick slag sieve subunit is used to separate aggregates of different particle sizes;

[0036] The aggregate conveying subunit is used to convey the separated aggregate to the corresponding storage bin.

[0037] Wherein, the crushing unit includes a wood crushing subunit, a crushed material collection subunit and a dust collection subunit, the compression molding unit includes a compression molding subunit, a molding flow collection subunit and a parameter control subunit, the wood crushing subunit, the crushed material collection subunit and the dust collection subunit are all connected to the comprehensive control end, and the compression molding subunit, the molding flow collection subunit and the parameter control subunit are all connected to the comprehensive control end;

[0038] The wood crushing subunit is used to crush the wood into wood chips;

[0039] The crushed material collecting subunit is used to collect the crushed wood chips;

[0040] The dust collection subunit is used to process the dust generated during the pulverization process;

[0041] The compression molding subunit is used to compress the wood chip material into a board or a fuel block;

[0042] The molding flow collection subunit is used to collect the products after compression molding;

[0043] The parameter control subunit is used to ensure that the pressure and temperature during the compression molding process are appropriate.

[0044] Wherein, the cutting and crushing unit includes a cutting subunit and a plastic crushing subunit, the melting and regeneration unit includes a melting subunit and a melt flow collecting subunit, the cutting subunit and the plastic crushing subunit are both connected to the integrated control end, and the melting subunit and the melt flow collecting subunit are both connected to the integrated control end;

[0045] The cutting subunit is used to cut the plastic material into small pieces;

[0046] The plastic crushing subunit is used to further crush the cut materials;

[0047] The melting subunit is used to melt the crushed plastic material into recycled particles;

[0048] The molten flow collecting subunit is used to collect the regenerated particles after melting.

[0049] Wherein, the organic waste treatment unit includes a composting fermentation subunit, a fermentation product collection subunit and a fermentation process control subunit, and the inorganic waste incineration unit includes an incineration subunit, an incineration heat recovery subunit and an incineration residue treatment subunit, and the composting fermentation subunit, the fermentation product collection subunit and the fermentation process control subunit are all connected to the comprehensive control end, and the incineration subunit, the incineration heat recovery subunit and the incineration residue treatment subunit are all connected to the comprehensive control end;

[0050] The composting and fermentation subunit is used to perform composting and fermentation treatment on organic waste;

[0051] The fermentation product collecting subunit is used to collect fertilizer after compost fermentation;

[0052] The fermentation process control subunit is used to ensure that the temperature, humidity and other conditions during the fermentation process are suitable;

[0053] The incineration subunit is used to incinerate inorganic waste and non-recyclable parts;

[0054] The incineration heat energy recovery subunit is used to recover the heat energy generated during the incineration process;

[0055] The incineration residue processing subunit is used to process the ash generated after incineration.

[0056] The present invention also provides a comprehensive treatment method for the secondary utilization of demolished old building waste, which is applied to the above-mentioned comprehensive treatment system for the secondary utilization of demolished old building waste, and comprises the following steps:

[0057] The demolished old building waste is sent to the waste classification module and efficiently classified through wind separation, magnetic separation and screening technologies;

[0058] The classified steel bars enter the steel bar processing module and are processed through the steps of cleaning, rust removal, classification and recycling;

[0059] The classified concrete and brick slag enter the concrete and brick slag processing module, and are made into aggregates of different particle sizes through the steps of crushing, screening and storage;

[0060] The classified wood chips enter the wood chip processing module and are made into biomass fuel blocks or artificial boards through the steps of crushing and compression molding;

[0061] The classified plastics enter the plastic processing module and are made into recycled plastic particles through the steps of cutting, crushing, melting and regeneration;

[0062] The classified domestic waste enters the domestic waste treatment module, the organic waste is composted or anaerobic fermented, and the inorganic waste and non-recyclable parts are incinerated to generate electricity.

[0063] The present invention discloses a comprehensive treatment method and system for the secondary utilization of demolished old construction waste, comprising a waste classification module, a steel bar processing module, a concrete and brick slag processing module, a wood chip processing module, a plastic processing module, a domestic waste processing module and a comprehensive control terminal, wherein the waste classification module comprises an air separation unit, a magnetic separation unit and a screening unit, the steel bar processing module comprises a cleaning unit, a rust removal unit and a classification recovery unit, the concrete and brick slag processing module comprises a crushing unit and a screening storage unit, the wood chip processing module comprises a crushing unit and a compression molding unit, the plastic processing module comprises a cutting and crushing unit and a melting and regeneration unit, and the domestic waste processing module comprises an organic waste processing unit and an organic waste treatment unit. The machine waste incineration unit, the waste classification module, the steel bar processing module, the concrete and brick slag processing module, the wood chip processing module, the plastic processing module, and the domestic waste processing module are all connected to the comprehensive control terminal. The design realizes the automatic processing of the whole process, improves the processing efficiency, can maximize the recovery of valuable components in construction waste, improves resource utilization, and also reduces the amount of landfill and incineration pollutant emissions, meets environmental protection requirements, and effectively solves the technical problem that the treatment methods for a single type of construction waste, such as steel bar recycling or brick slag crushing and reuse, are relatively mature, but lack a set of integrated, efficient and technical systems that can simultaneously process multiple wastes. BRIEF DESCRIPTION OF THE DRAWINGS

[0064] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0065] Figure 1 It is a schematic diagram of the principle of the comprehensive treatment system for the secondary utilization of demolished old construction waste according to the present invention.

[0066] Figure 2 It is a schematic diagram of the principle of the energy processing module in the comprehensive processing system for the secondary utilization of dismantled old building waste of the present invention.

[0067] Figure 3 It is a schematic diagram of the principle of a heat recovery unit in a comprehensive treatment system for the secondary utilization of demolished old building waste according to the present invention.

[0068] Figure 4 It is a schematic diagram of the principle of a wastewater treatment unit in a comprehensive treatment system for secondary utilization of demolished old building waste according to the present invention.

[0069] Figure 5It is a flow chart of the steps of a comprehensive treatment method for the secondary utilization of demolished old construction waste according to the present invention.

[0070] 1- Waste sorting module, 2- Rebar processing module, 3- Concrete and brick slag processing module, 4- Wood chip processing module, 5- Plastic processing module, 6- Domestic waste processing module, 7- Integrated control terminal, 8- Wind selection unit, 9- Magnetic separation unit, 10- Screening unit, 11- Cleaning unit, 12- Rust removal unit, 13- Classification and recycling unit, 14- Crushing unit, 15- Screening storage unit, 16- Crushing unit, 17- Compression molding unit, 18- Cutting and crushing unit, 19- Melting regeneration unit, 20- Organic waste Garbage treatment unit, 21-inorganic garbage incineration unit, 22-air power subunit, 23-material guiding subunit, 24-separation and collection subunit, 25-magnetic separation subunit, 26-material transportation subunit, 27-non-magnetic material removal subunit, 28-garbage screening molecular unit, 29-material distribution subunit, 30-high pressure cleaning subunit, 31-cleaning agent supply subunit, 32-waste water circulation subunit, 33-rust removal subunit, 34-rust collection subunit, 35-material protection subunit, 36-material separation subunit, 37-recycling subunit, 38-waste treatment subunit, 39-crushing subunit, 40-crushing control subunit, 41-crushed material collection subunit, 42-concrete and brick slag screening subunit, 43-aggregate transportation subunit, 44-wood crushing subunit, 45-crushed material collection subunit, 46-dust collection subunit, 47-compression molding subunit, 48-molding flow collection subunit, 49-parameter control subunit, 50-cutting subunit, 51-plastic crushing subunit, 52- Melting subunit, 53-molten flow collection subunit, 54-composting fermentation subunit, 55-fermentation product collection subunit, 56-fermentation process control subunit, 57-incineration subunit, 58-incineration heat recovery subunit, 59-incineration residue treatment subunit, 60-energy processing module, 61-heat recovery unit, 62-wastewater treatment unit, 63-heat recovery subunit, 64-heat storage and distribution subunit, 65-heat conversion subunit, 66-wastewater collection subunit, 67-wastewater treatment subunit. DETAILED DESCRIPTION

[0071] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0072] See also Figure 1 to Figure 4The present invention provides a comprehensive treatment system for the secondary utilization of demolished old construction waste, comprising a garbage classification module 1, a steel bar processing module 2, a concrete and brick slag processing module 3, a wood chip processing module 4, a plastic processing module 5, a domestic waste processing module 6 and a comprehensive control terminal 7, wherein the garbage classification module 1 comprises an air selection unit 8, a magnetic separation unit 9 and a screening unit 10, the steel bar processing module 2 comprises a cleaning unit 11, a rust removal unit 12 and a classification recovery unit 13, the concrete and brick slag processing module 3 comprises a crushing unit 14 and a screening storage unit 15, the wood chip processing module 4 comprises a crushing unit 16 and a compression molding unit 17, the plastic processing module 5 comprises a cutting and crushing unit 18 and a melting and regeneration unit 19, the domestic waste processing module 6 comprises an organic waste processing unit 20 and an inorganic waste incineration unit 21, and the garbage classification module 1, the steel bar processing module 2, the concrete and brick slag processing module 3, the wood chip processing module 4, the plastic processing module 5, and the domestic waste processing module 6 are all connected to the comprehensive control terminal 7;

[0073] The waste classification module 1 is used to efficiently classify the demolished old building waste by air separation, magnetic separation and screening technology;

[0074] The steel bar processing module 2 is used to process the steps of cleaning, rust removal, classification and recycling of the classified steel bars;

[0075] The concrete and brick slag processing module 3 is used to crush, screen and store the classified concrete and brick slag to produce aggregates of different particle sizes;

[0076] The sawdust processing module 4 is used to crush and compress the classified sawdust into biomass fuel blocks or artificial boards;

[0077] The plastic processing module 5 is used to cut, crush, melt and regenerate the classified plastics into recycled plastic particles;

[0078] The domestic waste treatment module 6 is used to compost or anaerobic ferment the classified organic waste, and incinerate the inorganic waste and non-recyclable parts to generate electricity;

[0079] The integrated control terminal 7 is used for integrated control and coordination of the entire system.

[0080] In this implementation, the design realizes the automated processing of the entire process, improves the processing efficiency, can maximize the recovery of valuable components in construction waste, improves resource utilization, and at the same time reduces the amount of landfill and incineration pollutant emissions, meets environmental protection requirements, and effectively solves the technical problem that the treatment methods for a single type of construction waste, such as steel bar recycling or brick slag crushing and reuse, are relatively mature, but lack a set of integrated, efficient and simultaneous treatment of multiple waste technical systems.

[0081] Further, the air selection unit 8 includes an air power subunit 22, a material guide subunit 23 and a separation and collection subunit 24, the magnetic separation unit 9 includes a magnetic separation subunit 25, a material conveying subunit 26 and a non-magnetic material exclusion subunit 27, the screening unit 10 includes a garbage screening subunit 28 and a material distribution subunit 29, the air power subunit 22, the material guide subunit 23 and the separation and collection subunit 24 are all connected to the integrated control terminal 7, the magnetic separation subunit 25, the material conveying subunit 26 and the non-magnetic material exclusion subunit 27 are all connected to the integrated control terminal 7, and the garbage screening subunit 28 and the material conveying subunit 26 are all connected to the integrated control terminal 7;

[0082] The material guiding subunit 23 is used to guide the material into the area of ​​the aerodynamic subunit 22 to ensure the separation effect;

[0083] The separation and collection subunit 24 is used to distinguish between the light and heavy materials collected on the material guiding subunit 23;

[0084] The aerodynamic subunit 22 is used to provide wind power and separate light and heavy materials using aerodynamic principles;

[0085] The material conveying subunit 26 is used to convey the material to the magnetic separation subunit 25;

[0086] The magnetic separator unit 25 is used to separate the magnetic material of the steel bars using a strong magnet to absorb the iron objects;

[0087] The non-magnetic material removal subunit 27 is used to process and remove non-magnetic materials;

[0088] The material distribution subunit 29 is used to transport the material to the garbage screening subunit 28;

[0089] The garbage screening molecular unit 28 is used to separate materials of different particle sizes by vibration.

[0090] In this embodiment, the material guiding subunit 23 is used to guide the material into the area of ​​the aerodynamic subunit 22 to ensure the separation effect; the separation and collection subunit 24 is used to distinguish between the light and heavy materials collected on the material guiding subunit 23; the aerodynamic subunit 22 is used to provide wind power and use aerodynamic principles to separate light and heavy materials; the material conveying subunit 26 is used to convey the material to the magnetic separation subunit 25; the magnetic separation subunit 25 is used to use a strong magnet to separate the magnetic material of the steel bar and adsorb the iron objects; the non-magnetic material exclusion subunit 27 is used to process and exclude non-magnetic materials; the material distribution subunit 29 is used to convey the material to the garbage screening molecular unit 28; the garbage screening molecular unit 28 is used to separate materials of different particle sizes by vibration.

[0091] Further, the cleaning unit 11 includes a high-pressure cleaning subunit 30 and a cleaning agent supply subunit 31, the rust removal unit 12 includes a rust removal subunit 33, a rust collection subunit 34 and a material protection subunit 35, the classification and recycling unit 13 includes a material classification subunit 36, a recycling subunit 37 and a waste treatment subunit 38, the high-pressure cleaning subunit 30 and the cleaning agent supply subunit 31 are all connected to the integrated control terminal 7, the rust removal subunit 33, the rust collection subunit 34 and the material protection subunit 35 are all connected to the integrated control terminal 7, and the material classification subunit 36, the recycling subunit 37 and the waste treatment subunit 38 are all connected to the integrated control terminal 7;

[0092] The high-pressure cleaning subunit 30 is used to clean impurities on the surface of materials such as steel bars by using high-pressure water flow;

[0093] The cleaning agent supply subunit 31 is used to provide cleaning agent to the high-pressure cleaning subunit 30;

[0094] The rust removal subunit 33 is used to remove rust on the surface of the steel bar by physical or chemical methods;

[0095] The rust collecting subunit 34 is used to collect and process the rust generated by the rust removing subunit 33 during the rust removing process;

[0096] The material protection subunit 35 is used to ensure that the material is not damaged during the rust removal process of the rust removal subunit 33;

[0097] The material classification subunit 36 ​​is used to classify materials according to their properties;

[0098] The recycling subunit 37 is used to recycle the classified materials;

[0099] The waste treatment subunit 38 is used to treat non-recyclable waste.

[0100] In this embodiment, the high-pressure cleaning subunit 30 is used to use high-pressure water flow to clean impurities on the surface of materials such as steel bars; the cleaning agent supply subunit 31 is used to provide cleaning agent for the high-pressure cleaning subunit 30; the rust removal subunit 33 is used to remove rust on the surface of steel bars by physical or chemical methods; the rust collection subunit 34 is used to collect and process rust generated by the rust removal subunit 33 during the rust removal process; the material protection subunit 35 is used to ensure that the material is not damaged during the rust removal process of the rust removal subunit 33; the material classification subunit 36 ​​is used to classify the material according to its nature; the recycling subunit 37 is used to recycle the classified materials; and the waste treatment subunit 38 is used to treat non-recyclable waste.

[0101] Further, the crushing unit 14 includes a crushing subunit 40, a crushing control subunit and a crushed material collecting subunit 41, the screening and storage unit 15 includes a concrete and brick slag screening subunit 42 and an aggregate conveying subunit 43, the crushing subunit 40, the crushing control subunit and the crushed material collecting subunit 41 are all connected to the integrated control terminal 7, and the concrete and brick slag screening subunit 42 and the aggregate conveying subunit 43 are all connected to the integrated control terminal 7;

[0102] The crushing control subunit is used to ensure that the material enters the crushing subunit 40 evenly and to control the degree of crushing;

[0103] The crushing subunit 40 is used to crush the concrete and brick slag materials into aggregates of different particle sizes;

[0104] The crushed material collecting subunit 41 is used to collect crushed aggregates;

[0105] The concrete and brick slag screening subunit 42 is used to separate aggregates of different particle sizes;

[0106] The aggregate conveying subunit 43 is used to convey the separated aggregate to the corresponding storage bin.

[0107] In this embodiment, the crushing control subunit is used to ensure that the material enters the crushing subunit 40 evenly and control the degree of crushing; the crushing subunit 40 is used to crush the concrete and brick slag materials into aggregates of different particle sizes; the crushed material collection subunit 41 is used to collect the crushed aggregates; the concrete and brick slag screening subunit 42 is used to separate aggregates of different particle sizes; the aggregate conveying subunit 43 is used to convey the separated aggregates to the corresponding storage bin, and this design crushes concrete and brick slag into aggregates of different particle sizes, the specific sizes are as follows, coarse aggregate (particle size > 40mm) can be used for foundation treatment; medium aggregate (particle size 10mm~40mm) can be used to produce recycled bricks; fine aggregate (particle size <10mm) can be used for cement production or filling materials.

[0108] Further, the pulverizing unit 16 includes a wood pulverizing subunit 44, a pulverized material collecting subunit 45 and a dust collecting subunit 46, the compression molding unit 17 includes a compression molding subunit 47, a molding flow collecting subunit 48 and a parameter control subunit 49, the wood pulverizing subunit 44, the pulverized material collecting subunit 45 and the dust collecting subunit 46 are all connected to the integrated control terminal 7, the compression molding subunit 47, the molding flow collecting subunit 48 and the parameter control subunit 49 are all connected to the integrated control terminal 7;

[0109] The wood crushing subunit 44 is used to crush the wood into wood chips;

[0110] The crushed material collecting subunit 45 is used to collect the crushed wood chips;

[0111] The dust collecting subunit 46 is used to process the dust generated during the pulverizing process;

[0112] The compression molding subunit 47 is used to compress the wood chip material into a board or a fuel block;

[0113] The molding flow collection subunit 48 is used to collect the products after compression molding;

[0114] The parameter control subunit 49 is used to ensure that the pressure and temperature during the compression molding process are appropriate.

[0115] In this embodiment, the wood crushing subunit 44 is used to crush the wood into wood chips; the crushed material collecting subunit 45 is used to collect the crushed wood chips; the dust collecting subunit 46 is used to process the dust generated during the crushing process; the compression molding subunit 47 is used to compress the wood chip material into boards or fuel blocks; the molding flow collecting subunit 48 is used to collect the compression molded products; the parameter control subunit 49 is used to ensure that the pressure and temperature are appropriate during the compression molding process.

[0116] Further, the cutting and crushing unit 16 includes a cutting subunit 50 and a plastic crushing subunit 51, and the melt regeneration unit 19 includes a melting subunit 52 and a melt flow collecting subunit 53, the cutting subunit 50 and the plastic crushing subunit 51 are both connected to the integrated control terminal 7, and the melting subunit 52 and the melt flow collecting subunit 53 are both connected to the integrated control terminal 7;

[0117] The cutting subunit 50 is used to cut the plastic material into small pieces;

[0118] The plastic crushing subunit 51 is used to further crush the cut materials;

[0119] The melting subunit 52 is used to melt the crushed plastic material into recycled particles;

[0120] The molten flow collecting subunit 53 is used to collect the regenerated particles after melting.

[0121] In this embodiment, the cutting subunit 50 is used to cut the plastic material into small pieces; the plastic crushing subunit 51 is used to further crush the cut material; the melting subunit 52 is used to melt the crushed plastic material into recycled particles; and the molten flow collecting subunit 53 is used to collect the melted recycled particles.

[0122] Further, the organic waste treatment unit 20 includes a composting fermentation subunit 54, a fermentation product collection subunit 55 and a fermentation process control subunit 56, and the inorganic waste incineration unit 21 includes an incineration subunit 57, an incineration heat recovery subunit 58 and an incineration residue treatment subunit 59, and the composting fermentation subunit 54, the fermentation product collection subunit 55 and the fermentation process control subunit 56 are all connected to the integrated control terminal 7, and the incineration subunit 57, the incineration heat recovery subunit 58 and the incineration residue treatment subunit 59 are all connected to the integrated control terminal 7;

[0123] The composting and fermentation subunit 54 is used to perform composting and fermentation treatment on organic waste;

[0124] The fermentation product collecting subunit 55 is used to collect fertilizer after compost fermentation;

[0125] The fermentation process control subunit 56 is used to ensure that the temperature, humidity and other conditions during the fermentation process are suitable;

[0126] The incineration subunit 57 is used to incinerate inorganic waste and non-recyclable parts;

[0127] The incineration heat energy recovery subunit 58 is used to recover the heat energy generated during the incineration process;

[0128] The incineration residue processing subunit 59 is used to process the ash generated after incineration.

[0129] In this embodiment, the composting fermentation subunit 54 is used to perform composting fermentation on organic waste; the fermentation product collection subunit 55 is used to collect fertilizer after composting fermentation; the fermentation process control subunit 56 is used to ensure that the temperature, humidity and other conditions during the fermentation process are suitable; the incineration subunit 57 is used to incinerate inorganic waste and non-recyclable parts; the incineration heat recovery subunit 58 is used to recover the heat energy generated during the incineration process; and the incineration residue treatment subunit 59 is used to treat the ash generated after incineration.

[0130] Furthermore, the comprehensive treatment system for the secondary utilization of demolished old construction waste also includes an energy processing module 60, and the energy processing module 60 includes a heat recovery unit 61 and a wastewater treatment unit 62, and the heat recovery unit 61 and the wastewater treatment unit 62 are both connected to the comprehensive control terminal 7.

[0131] The heat recovery unit 61 is used to recover the generated heat energy and use it for heating needs of other modules;

[0132] The wastewater treatment unit 62 is used for sedimentation and filtration to achieve recycling standards, and then used for cleaning, cooling and other links in the system.

[0133] In this embodiment, the heat recovery unit 61 is used to recover the generated heat energy and use it for heating needs of other modules; the wastewater treatment unit 62 is used for sedimentation and filtration to meet recycling standards and then used for cleaning, cooling and other links in the system.

[0134] Further, the heat energy recovery unit 61 includes a heat energy recovery subunit 63, a heat energy storage and allocation subunit 64 and a heat energy conversion subunit 65, and the heat energy recovery subunit 63, the heat energy storage and allocation subunit 64 and the heat energy conversion subunit 65 are all connected to the integrated control terminal 7;

[0135] The heat energy recovery subunit 63 is used to recover the heat energy generated during the treatment process;

[0136] The thermal energy storage and distribution subunit 64 is used to store the recovered thermal energy and distribute it to other units that require thermal energy;

[0137] The thermal energy conversion subunit 65 is used to convert thermal energy into electrical energy or other forms of energy.

[0138] In this embodiment, the heat energy recovery subunit 63 is used to recover the heat energy generated during the processing; the heat energy storage and distribution subunit 64 is used to store the recovered heat energy and distribute it to other units requiring heat energy; the heat energy conversion subunit 65 is used to convert heat energy into electrical energy or other forms of energy.

[0139] Furthermore, the wastewater treatment unit 62 includes a wastewater collecting subunit 66 , a wastewater treatment subunit 67 and a wastewater circulation subunit 32 , and the wastewater collecting subunit 66 , the wastewater treatment subunit 67 and the wastewater circulation subunit 32 are all connected to the integrated control terminal 7 .

[0140] The wastewater collecting subunit 66 is used to collect wastewater generated during the treatment process;

[0141] The wastewater treatment subunit 67 is used to treat the wastewater by sedimentation, filtration, etc.;

[0142] The wastewater circulation subunit 32 is used to circulate the treated wastewater for use in other treatment units.

[0143] In this embodiment, the wastewater collecting subunit 66 is used to collect wastewater generated during the treatment process; the wastewater treatment subunit 67 is used to perform sedimentation, filtration and other treatments on the wastewater; and the wastewater circulation subunit 32 is used to recycle the treated wastewater for use in other treatment units.

[0144] Based on the present invention, please refer to Figure 5 ,in Figure 5 It is a flow chart of the steps of a comprehensive treatment method for the secondary utilization of demolished old construction waste according to the present invention.

[0145] The present invention also provides a comprehensive treatment method for the secondary utilization of demolished old building waste, which is applied to the above-mentioned comprehensive treatment system for the secondary utilization of demolished old building waste, and comprises the following steps:

[0146] S1: Send the demolished old building waste into the waste classification module 1, and classify it efficiently through wind separation, magnetic separation and screening technology;

[0147] S2: The classified steel bars enter the steel bar processing module 2 and are processed through the steps of cleaning, rust removal, classification and recycling;

[0148] S3: The classified concrete and brick slag enter the concrete and brick slag processing module, and are made into aggregates of different particle sizes through the steps of crushing, screening and storage;

[0149] S4: the classified wood chips enter the wood chip processing module 4 and are crushed and compressed to form biomass fuel blocks or artificial boards;

[0150] S5: The classified plastics enter the plastic processing module 5 and are cut, crushed, melted and regenerated to form recycled plastic particles;

[0151] S6: The classified domestic waste enters the domestic waste treatment module 6, where the organic waste is composted or anaerobic fermented, and the inorganic waste and non-recyclable parts are incinerated to generate electricity;

[0152] S7: Based on the energy processing module 60, the generated heat energy and waste water are recovered and reused respectively.

[0153] What is disclosed above is only a preferred embodiment of the present invention, and it certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope of the invention.

Claims

1. A comprehensive treatment system for the secondary utilization of demolished old building waste, characterized in that: It includes a garbage classification module, a steel bar processing module, a concrete and brick slag processing module, a wood chip processing module, a plastic processing module, a domestic garbage processing module and an integrated control terminal, wherein the garbage classification module includes an air separation unit, a magnetic separation unit and a screening unit, the steel bar processing module includes a cleaning unit, a rust removal unit and a classification recovery unit, the concrete and brick slag processing module includes a crushing unit and a screening storage unit, the wood chip processing module includes a crushing unit and a compression molding unit, the plastic processing module includes a cutting and crushing unit and a melting and regeneration unit, the domestic garbage processing module includes an organic garbage processing unit and an inorganic garbage incineration unit, and the garbage classification module, the steel bar processing module, the concrete and brick slag processing module, the wood chip processing module, the plastic processing module and the domestic garbage processing module are all connected to the integrated control terminal; The waste classification module is used to efficiently classify the demolished old building waste by air separation, magnetic separation and screening technology; The steel bar processing module is used to process the steps of cleaning, rust removal, classification and recycling of the classified steel bars; The concrete and brick slag processing module is used to crush, screen and store the classified concrete and brick slag to produce aggregates of different particle sizes; The sawdust processing module is used to crush and compress the classified sawdust into biomass fuel blocks or artificial boards; The plastic processing module is used to cut, crush, melt and regenerate the classified plastics into recycled plastic particles; The domestic waste treatment module is used to compost or anaerobic ferment the classified organic waste, and incinerate the inorganic waste and non-recyclable parts to generate electricity; The integrated control terminal is used for integrated control and coordination of the entire system.

2. The comprehensive treatment system for the secondary utilization of demolished old building waste as claimed in claim 1 is characterized in that: The air selection unit includes an air power subunit, a material guide subunit and a separation and collection subunit, the magnetic separation unit includes a magnetic separation subunit, a material conveying subunit and a non-magnetic material exclusion subunit, the screening unit includes a garbage screening subunit and a material distribution subunit, the air power subunit, the material guide subunit and the separation and collection subunit are all connected to the integrated control end, the magnetic separation subunit, the material conveying subunit and the non-magnetic material exclusion subunit are all connected to the integrated control end, and the garbage screening subunit and the material conveying subunit are all connected to the integrated control end; The material guiding subunit is used to guide the material into the aerodynamic subunit area to ensure the separation effect; The separation and collection subunit is used to distinguish between light and heavy materials collected on the material guiding subunit; The aerodynamic subunit is used to provide wind power and separate light and heavy materials using aerodynamic principles; The material conveying subunit is used to convey the material to the magnetic separation subunit; The magnetic separator unit is used to separate the magnetic material of the steel bars using a strong magnet to absorb the iron objects; The non-magnetic material removal subunit is used to process and remove non-magnetic materials; The material distribution subunit is used to transport the material to the garbage screening subunit; The garbage screening molecular unit is used to separate materials of different particle sizes through vibration.

3. The comprehensive treatment system for the secondary utilization of demolished old building waste as claimed in claim 2 is characterized in that: The cleaning unit includes a high-pressure cleaning subunit and a cleaning agent supply subunit, the rust removal unit includes a rust removal subunit, a rust collection subunit and a material protection subunit, the classification and recycling unit includes a material classification subunit, a recycling subunit and a waste treatment subunit, the high-pressure cleaning subunit and the cleaning agent supply subunit are both connected to the integrated control end, the rust removal subunit, the rust collection subunit and the material protection subunit are all connected to the integrated control end, and the material classification subunit, the recycling subunit and the waste treatment subunit are all connected to the integrated control end; The high-pressure cleaning subunit is used to clean impurities on the surface of materials such as steel bars by using high-pressure water flow; The cleaning agent supply subunit is used to provide cleaning agent to the high-pressure cleaning subunit; The rust removal subunit is used to remove rust on the surface of the steel bar by physical or chemical methods; The rust collection subunit is used to collect and process the rust generated by the rust removal subunit during the rust removal process; The material protection subunit is used to ensure that the material is not damaged during the rust removal process of the rust removal subunit; The material classification subunit is used to classify materials according to their properties; The recycling subunit is used to recycle the classified materials; The waste treatment subunit is used to treat non-recyclable waste.

4. The comprehensive treatment system for the secondary utilization of demolished old building waste as claimed in claim 3 is characterized in that: The crushing unit includes a crushing subunit, a crushing control subunit and a crushed material collecting subunit, the screening and storage unit includes a concrete and brick slag screening subunit and an aggregate conveying subunit, the crushing subunit, the crushing control subunit and the crushed material collecting subunit are all connected to the comprehensive control end, and the concrete and brick slag screening subunit and the aggregate conveying subunit are all connected to the comprehensive control end; The crushing control subunit is used to ensure that the material enters the crushing subunit evenly and control the degree of crushing; The crushing subunit is used to crush concrete and brick slag materials into aggregates of different particle sizes; The crushed material collecting subunit is used to collect crushed aggregates; The concrete and brick slag sieve subunit is used to separate aggregates of different particle sizes; The aggregate conveying subunit is used to convey the separated aggregate to the corresponding storage bin.

5. The comprehensive treatment system for the secondary utilization of demolished old building waste as claimed in claim 4 is characterized in that: The pulverizing unit includes a wood pulverizing subunit, a pulverized material collecting subunit and a dust collecting subunit, the compression molding unit includes a compression molding subunit, a molding flow collecting subunit and a parameter control subunit, the wood pulverizing subunit, the pulverized material collecting subunit and the dust collecting subunit are all connected to the comprehensive control end, and the compression molding subunit, the molding flow collecting subunit and the parameter control subunit are all connected to the comprehensive control end; The wood crushing subunit is used to crush the wood into wood chips; The crushed material collecting subunit is used to collect the crushed wood chips; The dust collection subunit is used to process the dust generated during the pulverization process; The compression molding subunit is used to compress the wood chip material into a board or a fuel block; The molding flow collection subunit is used to collect the products after compression molding; The parameter control subunit is used to ensure that the pressure and temperature during the compression molding process are appropriate.

6. The comprehensive treatment system for the secondary utilization of demolished old building waste as claimed in claim 5 is characterized in that: The cutting and crushing unit includes a cutting subunit and a plastic crushing subunit, the melting and regeneration unit includes a melting subunit and a melt flow collecting subunit, the cutting subunit and the plastic crushing subunit are both connected to the integrated control end, and the melting subunit and the melt flow collecting subunit are both connected to the integrated control end; The cutting subunit is used to cut the plastic material into small pieces; The plastic crushing subunit is used to further crush the cut materials; The melting subunit is used to melt the crushed plastic material into recycled particles; The molten flow collecting subunit is used to collect the regenerated particles after melting.

7. The comprehensive treatment system for the secondary utilization of demolished old building waste as claimed in claim 6 is characterized in that: The organic waste treatment unit includes a composting and fermentation subunit, a fermentation product collection subunit and a fermentation process control subunit, and the inorganic waste incineration unit includes an incineration subunit, an incineration heat recovery subunit and an incineration residue treatment subunit, the composting and fermentation subunit, the fermentation product collection subunit and the fermentation process control subunit are all connected to the comprehensive control end, and the incineration subunit, the incineration heat recovery subunit and the incineration residue treatment subunit are all connected to the comprehensive control end; The composting and fermentation subunit is used to perform composting and fermentation treatment on organic waste; The fermentation product collecting subunit is used to collect fertilizer after compost fermentation; The fermentation process control subunit is used to ensure that the temperature, humidity and other conditions during the fermentation process are suitable; The incineration subunit is used to incinerate inorganic waste and non-recyclable parts; The incineration heat energy recovery subunit is used to recover the heat energy generated during the incineration process; The incineration residue processing subunit is used to process the ash generated after incineration.

8. A comprehensive treatment method for the secondary utilization of demolished old building waste, applied to the comprehensive treatment system for the secondary utilization of demolished old building waste as claimed in claim 7, characterized in that: The steps include: The demolished old building waste is sent to the waste classification module and efficiently classified through wind separation, magnetic separation and screening technologies; The classified steel bars enter the steel bar processing module and are processed through the steps of cleaning, rust removal, classification and recycling; The classified concrete and brick slag enter the concrete and brick slag processing module, and are made into aggregates of different particle sizes through the steps of crushing, screening and storage; The classified wood chips enter the wood chip processing module and are made into biomass fuel blocks or artificial boards through the steps of crushing and compression molding; The classified plastics enter the plastic processing module and are made into recycled plastic particles through the steps of cutting, crushing, melting and regeneration; The classified domestic waste enters the domestic waste treatment module, the organic waste is composted or anaerobic fermented, and the inorganic waste and non-recyclable parts are incinerated to generate electricity.

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