Building solid waste treatment and resource utilization system and method

Abstract

The invention discloses a building solid waste treatment and resource utilization system and method, and relates to the technical field of building solid waste treatment.The building solid waste containing light substances is conveyed to crushing equipment through first feeding equipment, and the building solid waste is crushed into aggregate particles capable of being used for preparing green bodies through the crushing equipment; the second feeding device conveys aggregate particles to the re-green body preparation system, in the process, the material flow scanning analysis device scans and analyzes material flow, the doping proportion of light substances in the aggregate particles is recognized, and the material mixing and slurry stirring device receives the aggregate particles conveyed by the second feeding device and the slurry preparing raw materials conveyed by the slurry preparing raw material supply device and sends the aggregate particles and the slurry preparing raw materials to the re-green body preparation system. And in the process, the control system judges whether a reinforcing material needs to be added into the material mixing and slurry stirring device or not according to the doping proportion, recognized by the material flow scanning analysis equipment, of the light substances in the aggregate particles, and generates an instruction for controlling the reinforcing material supply device to work.

Description

Technical Field

[0001] The present invention relates to the technical field of construction solid waste treatment, and in particular to a system and method for construction solid waste treatment and resource utilization. Background Art

[0002] Concrete is the primary material in construction solid waste. Therefore, the simplest and most cost-effective method for recycling construction solid waste is to crush it and then use cement curing, polymer bonding, and other methods to produce simple recycled blanks, such as low-strength blocks or panels. Existing technology already has some production equipment or complete systems that crush and granulate construction solid waste on-site and then use it to produce simple recycled blanks. However, even if these simple recycled blanks have low strength requirements, they should still meet minimum mechanical performance indicators in practical applications. To this end, before crushing, construction solid waste still needs to be sorted to remove lightweight materials such as plastics and thermal insulation materials. Otherwise, even if used to make simple recycled blanks such as low-strength blocks or panels, they may not meet basic mechanical performance requirements. The main difficulty faced in this link is that many lightweight materials are combined with basic building materials such as concrete by bonding, interlocking, etc. The labor cost of separating and sorting such materials far exceeds the raw material savings brought by the recycling of construction solid waste. Although adding reinforcing materials is an effective way to improve the mechanical strength of building materials, conventional low-strength blocks or panels do not require reinforcing materials. It is more economical to use conventional production processes to add a large proportion of reinforcing materials to the recycled materials, which also makes the reuse of construction solid waste uneconomical.

[0003] The problem to be solved in this project is how to make resource utilization of this bonding and interlocking mixture to produce recycled blanks at low cost while ensuring that the produced recycled blanks meet basic mechanical properties. Summary of the Invention

[0004] The purpose of this application is to provide a system and method for treating and recycling construction solid waste to solve the technical problems in the background technology.

[0005] To achieve the above objectives, the technical solution adopted in this application is: A construction solid waste treatment and resource utilization system includes a first feeding device, a crushing device, a second feeding device, a material flow scanning and analysis device, a recycled blank preparation system, and a control system; The first feeding device transports the construction solid waste containing light materials to the crushing device; The crushing equipment crushes the construction solid waste containing light substances into aggregate particles that can be used to prepare recycled blanks; The second feeding device transports the aggregate particles to the recycled blank preparation system; The material flow scanning and analysis device scans and analyzes the material flow conveyed on the second feeding device to identify the doping ratio of the light material in the aggregate particles; The regenerated blank preparation system includes a mixing and slurry mixing device, a regenerated blank pressing device, a slurry raw material feeding device and a reinforcement material feeding device. The slurry raw material feeding device can supply slurry raw material to the mixing and slurry mixing device. The mixing and slurry mixing device receives aggregate particles conveyed by the second feeding device and slurry raw material conveyed by the slurry raw material feeding device, mixes and stirs the aggregate particles and slurry raw material, and then sends them to the regenerated blank pressing device, which prepares the regenerated blank. The reinforcing material feeding device can supply reinforcing material to the mixing and slurry mixing device. The control system determines whether it is necessary to add reinforcing material to the mixing and slurry mixing device based on the doping ratio of lightweight substances in the aggregate particles identified by the material flow scanning and analysis equipment, and generates instructions to control the operation of the reinforcing material feeding device.

[0006] As described above, in the construction solid waste treatment and resource utilization system, the lightweight material includes plastic and / or thermal insulation material.

[0007] As described above, in the construction solid waste treatment and resource utilization system, the crushing equipment adopts a discontinuous feeding method to crush the construction solid waste containing lightweight materials.

[0008] In the construction solid waste treatment and resource utilization system described above, the aggregate particles have a particle size of 5-20 mm.

[0009] As described above in the construction solid waste treatment and resource utilization system, the pulping raw material supplied by the pulping raw material feeding device contains a binder.

[0010] As described above in the construction solid waste treatment and resource utilization system, the pulping raw materials supplied by the pulping raw material feeding device also include blank-making auxiliary materials.

[0011] As described above, in the construction solid waste treatment and resource utilization system, the mixing device and the recycled blank pressing device are integrated equipment.

[0012] As described above, in the construction solid waste treatment and resource utilization system, the mixing device and the recycled blank pressing device are separate devices.

[0013] In the above-mentioned construction solid waste treatment and resource utilization system, the reinforcing material supplied by the reinforcing material feeding device includes fiber material.

[0014] A method for treating and recycling construction solid waste, using the above-mentioned system for treating and recycling construction solid waste, comprises the following steps: S1, the first feeding equipment transports the construction solid waste containing light materials to the crushing equipment; S2, crushing equipment crushes the construction solid waste containing light materials into aggregate particles that can be used to prepare recycled blanks; S3, the second feeding device transports the aggregate particles to the recycled blank preparation system. During this process, the material flow scanning and analysis device scans and analyzes the material flow transported by the second feeding device to identify the doping ratio of light substances in the aggregate particles; S4, the mixing and slurry mixing device receives the aggregate particles delivered by the second feeding device and the slurrying raw materials delivered by the slurrying raw material feeding device, mixes the aggregate particles and the slurrying raw materials, and then sends them to the regenerated blank pressing device, which prepares the regenerated blank. In this process, the control system determines whether it is necessary to add reinforcing materials to the mixing and slurry mixing device based on the doping ratio of light substances in the aggregate particles identified by the material flow scanning and analysis equipment in step S3, and generates instructions to control the operation of the reinforcing material feeding device.

[0015] Beneficial effects: In the continuous process of crushing construction solid waste and manufacturing recycled blanks, the amount of lightweight materials such as plastics that are included or mixed in the construction solid waste is unstable and uncontrollable at different processing times. When the content exceeds the standard, the strength of the recycled blanks will be lower than the minimum control standard. The present invention adopts non-continuous feeding + batch analysis + on-demand reinforcement to achieve the purpose of maintaining stable mechanical properties of the produced recycled blanks even when the lightweight inclusions in concrete construction solid waste are unstable.

[0016] After adopting the construction solid waste treatment and resource utilization system and method of the present invention, it is possible to predict the influence on the mechanical properties of the recycled blanks based on the doping ratio of lightweight substances in the crushed aggregate particles identified by the material flow scanning and analysis equipment, and timely control the reinforcing material feeding device to add reinforcing materials when it is necessary to add reinforcing materials to the mixing and slurry mixing device, thereby ensuring that all batches of recycled blanks produced can meet the minimum strength standards, and there is no need to use reinforcing materials under any circumstances, thereby controlling costs and reducing the labor of manual sorting and removal work before the crushing and treatment of construction solid waste from the source, so that the resource utilization of construction solid waste can truly achieve economic benefits due to cost reduction. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0018] Figure 1A schematic diagram of the composition of a construction solid waste treatment and resource utilization system provided in an embodiment of the present invention.

[0019] Figure 2 for Figure 1 Schematic diagram of the composition of the recycled blank preparation system Figure 1 .

[0020] Figure 3 for Figure 1 Schematic diagram of the composition of the recycled blank preparation system Figure 2 .

[0021] Among them, the reference numerals in the figures are: First feeding equipment 10, crushing equipment 20, second feeding equipment 30, material flow scanning and analysis equipment 40, recycled blank preparation system 50; Mixing and slurry mixing device 51, recycled blank pressing device 52, slurry raw material feeding device 53, reinforcing material feeding device 54, first conveying pipeline 55, second conveying pipeline 56, and power pre-mixing bin 57. DETAILED DESCRIPTION

[0022] In order to make the technical problems, technical solutions and beneficial effects to be solved by this application more clearly understood, this application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application.

[0023] It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.

[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or to implicitly indicate the quantity of the technical features indicated. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of the features.

[0025] Example 1 like Figure 1 As shown, a construction solid waste treatment and resource utilization system of this embodiment includes a first feeding device 10, a crushing device 20, a second feeding device 30, a material flow scanning and analysis device 40, a recycled blank preparation system 50 and a control system.

[0026] The first feeding device 10 transports the construction solid waste containing light materials to the crushing device 20 .

[0027] According to the purpose set out above, the primary purpose of this application is to reduce the manual labor of sorting and removing lightweight materials such as plastics and thermal insulation materials from construction solid waste. Of course, in addition to the most common plastics and thermal insulation materials, the lightweight materials here also include other types of lightweight materials that can significantly reduce the recycled strength of concrete materials, including but not limited to gypsum, wood and its derivatives.

[0028] It should be noted that the construction solid waste containing lightweight materials transported on the first feeding device 10 is not completely unsorted. Instead, it mainly focuses on those that are combined with concrete materials by bonding, interlocking, etc. and need to be mechanically disassembled, while those lightweight materials that exist independently and can be easily picked out without spending too much cost, especially large pieces of lightweight materials, still need to be simply sorted and removed manually.

[0029] Continue to see Figure 1 The crushing device 20 receives the construction solid waste containing light materials from the first feeding device 10 and crushes the construction solid waste containing light materials into aggregate particles that can be used to prepare recycled blanks.

[0030] Concrete is the main material in construction solid waste. Therefore, the simplest and most cost-effective resource recycling method for construction solid waste is to crush it and then use cement solidification, polymer bonding and other methods to make simple recycled blanks such as low-strength blocks or plates. This embodiment is based on this purpose. The crushing equipment 20 is used to crush and granulate the construction solid waste on site and then use it to produce simple recycled blanks in the subsequent process.

[0031] Therefore, next, the aggregate particles are conveyed to the recycled blank preparation system 50 by means of the second feeding device 30 .

[0032] It should be noted that although other intermediate processing equipment is not included in this embodiment, according to production needs, the aggregate particles obtained by the crushing equipment 20 can also be subjected to additional intermediate processing such as screening and magnetic separation as needed. In addition, the crushing equipment 20 of the present invention adopts single-stage or multi-stage crushing.

[0033] See also Figure 1 and Figure 2 In order to realize the direct resource utilization of on-site crushed construction solid waste, the recycled blank preparation system 50 in this embodiment includes a mixing and slurrying device 51, a recycled blank pressing device 52 and a slurrying raw material feeding device 53. The slurrying raw material feeding device 53 can supply slurrying raw materials to the mixing and slurrying device 51. The mixing and slurrying device 51 receives the aggregate particles conveyed by the second feeding equipment 30 and the slurrying raw materials conveyed by the slurrying raw material feeding device 53, mixes and stirs the aggregate particles and the slurrying raw materials, and then sends them to the recycled blank pressing device 52, and the recycled blank is prepared by the recycled blank pressing device 52.

[0034] In this embodiment, the crushing equipment 20 is used to crush the construction solid waste containing lightweight materials into aggregate particles with a particle size of about 5-20 mm, and the aggregate particles are mixed with the pulping raw materials such as the binder supplied by the pulping raw material feeding device 53 in the mixing and slurry mixing device 51. The mixed green body slurry is transported to the recycled green body pressing device 52 for pressing and molding the recycled green body.

[0035] In this embodiment, the binder supplied by the pulping raw material feeding device 53 is a cement-based inorganic gel material (it can also be an organic binder under special circumstances). The pulping raw material can also contain other required blank-making auxiliary materials such as but not limited to interface improvers, water reducers, environmentally friendly functional materials, etc.

[0036] In this embodiment, as shown in the figure, the mixing and slurry stirring device 51 and the regenerated blank pressing device 52 are an integrated device. The advantages of this device are that the equipment is compact and highly integrated. The blank making slurry mixed by the mixing and slurry stirring device 51 can automatically and quantitatively enter the mold cavity of the regenerated blank pressing device 52 arranged below. The mold cavity of the regenerated blank pressing device 52 has a pressure rod of a pressure head, and the pressure head is a piston structure, which can press a certain amount of blank making slurry into a regenerated blank of a set size. At the same time, the end of the mold cavity has an openable material door, which can release each regenerated blank that has been pressed and formed.

[0037] In another embodiment different from the drawings, the mixing and slurry stirring device 51 and the regenerated blank pressing device 52 can also be split devices. The advantage of the split device is that commercially available mixing and slurry stirring devices and regenerated blank pressing devices can be selected as needed for online production.

[0038] Although low-strength blocks or panels made directly from concrete construction solid waste will not be used in important load-bearing occasions, even if this simple recycled blank has low strength requirements, it should meet the minimum mechanical performance indicators in actual applications. When the content of lightweight materials in the aggregate particles is too high, the minimum mechanical performance indicators that the recycled blank can meet will become even lower. Although supplementing reinforcing materials is an effective way to improve the mechanical strength of building materials, conventional low-strength blocks or panels do not require reinforcing materials. It is more economical to use conventional production processes to supplement a large proportion of reinforcing materials in the recycled materials.

[0039] Therefore, continue to see Figure 1 and Figure 2 As a major means to solve the above problems and achieve the purpose of the present invention, a material flow scanning and analysis device 40 is set above the second feeding device 30 of the present invention. At the same time, a reinforcing material feeding device 54 is introduced into the recycled blank preparation system 50 of the present invention. The reinforcing material feeding device 54 can supply reinforcing material to the mixing and slurry mixing device 51, but it is not supplied at all times, but is based on the technical information provided by the material flow scanning and analysis device 40.

[0040] Specifically, the material flow scanning and analysis equipment 40 scans and analyzes the material flow transported on the second feeding equipment 30 to identify the doping ratio of lightweight substances in the aggregate particles. The control system determines whether it is necessary to add reinforcing materials to the mixing and slurry mixing device 51 based on the doping ratio of lightweight substances in the aggregate particles identified by the material flow scanning and analysis equipment 40, and generates instructions to control the operation of the reinforcing material feeding device 54.

[0041] In the present invention, the working mode of the crushing equipment 20 for crushing construction solid waste containing lightweight materials is first adjusted to a non-continuous feeding mode, and the mixing and slurry mixing and recycled blank pressing production rhythm of the subsequent recycled blank preparation system 50 are also matched and set. Since the crushing equipment 20 adopts a non-continuous feeding mode to crush construction solid waste containing lightweight materials, the material flow scanning and analysis equipment 40 can analyze the doping ratio of lightweight materials in each round of loading with the help of near-infrared spectral analysis combined with hyperspectral imaging and millimeter wave radar detection technology. Once the doping ratio of lightweight materials in the current round of loading exceeds the standard, the control system will issue a work instruction to the reinforcing material feeding device 54 when the mixing and slurry mixing device 51 is working, and add reinforcing materials such as fiber materials to the mixing and slurry mixing device 51. The amount of added fiber material can also be determined according to the doping ratio of lightweight materials in each round of loading provided by the material flow scanning and analysis equipment 40 and controlled by controlling the feeding amount and / or feeding time of the reinforcing material feeding device 54. Advantageously, for fiber materials, the time of starting to feed them into the mixing and slurry mixing device 51 is controlled after the aggregate particles and the slurry raw materials have started to mix for a period of time, preferably 80-100 seconds. At this time, the aggregate particles have been effectively soaked and there is still some time before the slurry begins to set. This is an important measure to ensure that the fiber dosage is effectively reduced and the flexural strength of the recycled blank is significantly improved.

[0042] The reinforcing material feeding device 54 can also provide multiple optional reinforcing materials by setting multiple chambers or multiple tanks to adapt to different reinforcement needs or perform composite reinforcement of multiple reinforcing materials. The multiple reinforcing materials can be different types of reinforcing materials or the same type of reinforcing materials but different materials, such as polypropylene fiber material and basalt fiber material, for example Figure 3 As shown, the power premixing chamber 57 is used for premixing different reinforcing materials.

[0043] It should be noted that, in some cases, as a supplement to the reinforcing material feeding device 54 , a portion of spare reinforcing material can also be fed in through the pulping raw material feeding device 53 at the same time.

[0044] Therefore, the present invention adopts the means of non-continuous feeding + batch analysis + reinforcement on demand to achieve the effect of monitoring the quality of aggregate particles well even when the inclusion of construction solid waste is unstable, and to reinforce the recycled blanks in time when the strength may face a sharp decline. The time for each round of material scanning is set at more than 3 seconds to ensure data accuracy.

[0045] Example 2 This embodiment is a method for treating and recycling construction solid waste, using the system for treating and recycling construction solid waste described in Example 1, including the following steps: S1 , the first feeding device 10 transports construction solid waste containing light materials to the crushing device 20 .

[0046] S2, the crushing equipment 20 crushes the construction solid waste containing lightweight materials into aggregate particles that can be used to prepare recycled blanks through one or more stages of crushing.

[0047] S3, the second feeding device 30 transports the aggregate particles to the recycled blank preparation system 50. During this process, the material flow scanning and analysis device 40 scans and analyzes the material flow transported on the second feeding device 30 to identify the doping ratio of light substances in the aggregate particles.

[0048] S4, the mixing and slurrying device 51 receives the aggregate particles conveyed by the second feeding device 30 and the pulping raw materials conveyed by the pulping raw material feeding device 53, mixes and stirs the aggregate particles and the pulping raw materials, and then sends them to the regenerated blank pressing device 52, which prepares the regenerated blank. In this process, the control system determines whether it is necessary to add reinforcing materials to the mixing and slurrying device 51 based on the doping ratio of light substances in the aggregate particles identified by the material flow scanning and analysis device 40 in step S3, and generates instructions for controlling the operation of the reinforcing material feeding device 54. Once the doping ratio of light substances in the current round of loading exceeds the standard, the control system sends a work instruction to the reinforcing material feeding device 54 to add reinforcing materials such as fiber materials to the mixing and slurrying device 51. The amount of added fiber materials can also be determined based on the doping ratio of light substances in each round of loading provided by the material flow scanning and analysis device 40 and controlled by controlling the feeding amount and / or feeding time of the reinforcing material feeding device 54. During this process, if the reinforcing material feeding device 54 needs to be replenished, a portion of spare reinforcing material can also be fed in through the pulping raw material feeding device 53 at the same time.

[0049] Preferably, but not limiting, when the strength adjustment error increases due to large differences in the composition of lightweight materials in construction solid waste, the control system can further obtain a dynamic adjustment coefficient K based on the proportion of the main components in the lightweight materials. This adjustment coefficient K is used to refine the quantitative relationship between the total doping ratio of the lightweight materials and the proportion of the required reinforcing materials. For example, when K = 1 + Σ(ωi × ki), where ωi is the mass proportion of component i in the lightweight materials, and ki is the strength influence factor of component i (experimentally calibrated), then the relationship between the total doping mass percentage X1 of the lightweight materials in the aggregate particles and the percentage X2 of the required reinforcing materials in the total mass of the aggregate can be expressed as X2 = K × (a × X1 + b), where a is the baseline reinforcement ratio coefficient required per unit of lightweight materials, and b is the system error compensation amount. Both a and b can be calibrated experimentally and adjusted based on experience. Of course, the above errors can also be optimized by simply classifying the crushed construction solid waste according to the type of lightweight material inclusions or by targetedly eliminating lightweight material inclusions of specific components, which will not be further described.

[0050] Example 3 Based on the above-mentioned embodiments, this embodiment treats and utilizes a batch of concrete construction solid waste. The pulping raw material used for the manufacture of recycled blanks is silicate cement, and the reinforcement material is 90% polypropylene fiber + 10% basalt fiber. The fiber feeding method is gas transportation, and it is pumped to the mixing and slurry mixing device 51 through the second conveying pipeline 56 of the reinforcement material feeding device 54. The spare reinforcement material is nano-silicon oxide slurry, which is added to the pulping raw material feeding device 53 through a quantitative delivery pump, mixed with the pulping raw material, and transported from the pulping raw material feeding device 53 to the mixing and slurry mixing device 51 through the first delivery pipeline 55. The quantitative delivery pump is also controlled by the control system to control the feeding timing and feeding amount.

[0051] In this embodiment, based on the results of the blank making experiment and the mechanical property test, it is set that when the light material doping ratio identified by the material flow scanning and analysis equipment 40 is lower than 7.5%, no reinforcing material is added; when the light material doping ratio identified by the material flow scanning and analysis equipment 40 is in the range of 7.5%-15%, reinforcing material (polypropylene + basalt fiber) equivalent to 0.4%-1.2% of the mass of the aggregate is added through the reinforcing material feeding device 54; when the light material doping ratio identified by the material flow scanning and analysis equipment 40 is greater than 15%, in addition to adding reinforcing material (polypropylene + basalt fiber) through the reinforcing material feeding device 54, nano-silicon oxide slurry equivalent to 2%-3% of the mass of the aggregate is additionally added to the pulping raw material feeding device 53 through a quantitative delivery pump. Adding nano-silicon oxide slurry to the pulping raw material feeding device 53 can pre-mix the nano-silicon oxide with cement to activate the surface activity, which has a greater strength improvement than directly adding nano-silicon oxide slurry to the mixing and slurrying device 51.

[0052] Thus, this embodiment employs a combination of discontinuous feeding, batch analysis, and on-demand reinforcement to ensure that the recycled blanks maintain stable mechanical properties despite the instability of lightweight inclusions in concrete construction waste. Without the on-demand reinforcement approach of this embodiment, the compressive strength of the recycled blanks produced would range from less than 3 MPa to as high as 10-13 MPa. However, with the on-demand reinforcement scheme of this embodiment, the compressive strength of the recycled blanks produced can reach a minimum of over 7 MPa.

[0053] Compared with the on-demand reinforcement technology of the present invention, although the use of all reinforcement means will inevitably continue to increase the maximum mechanical strength of the recycled blank, it will not produce a significant improvement in the minimum mechanical strength, and has basically no effect on expanding and improving the use of the recycled blank. It also greatly increases the production cost, which is far from achieving the purpose of controlling costs and increasing efficiency of the present invention.

[0054] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present application should be included in the scope of protection of the present application.

Claims

1. A construction solid waste treatment and resource utilization system, characterized in that: It includes a first feeding device (10), a crushing device (20), a second feeding device (30), a material flow scanning and analysis device (40), a recycled blank preparation system (50), and a control system; The first feeding device (10) transports the construction solid waste containing light materials to the crushing device (20); The crushing equipment (20) crushes the construction solid waste containing light materials into aggregate particles that can be used to prepare recycled blanks; The second feeding device (30) transports the aggregate particles to the recycled blank preparation system (50); The material flow scanning and analysis device (40) scans and analyzes the material flow conveyed on the second feeding device (30) to identify the doping ratio of light substances in the aggregate particles; The regenerated blank preparation system (50) includes a mixing and slurrying device (51), a regenerated blank pressing device (52), a slurrying raw material feeding device (53) and a reinforcing material feeding device (54), wherein the slurrying raw material feeding device (53) can supply slurrying raw material to the mixing and slurrying device (51), and the mixing and slurrying device (51) receives aggregate particles conveyed by the second feeding device (30) and slurrying raw material conveyed by the slurrying raw material feeding device (53), mixes and stirs the aggregate particles and the slurrying raw material, and then sends them to the regenerated blank pressing device (52), and the regenerated blank is prepared by the regenerated blank pressing device (52); The reinforcing material feeding device (54) can supply reinforcing material to the mixing device (51), and the control system determines whether reinforcing material needs to be added to the mixing device (51) based on the doping ratio of light materials in the aggregate particles identified by the material flow scanning and analysis equipment (40), and generates instructions for controlling the operation of the reinforcing material feeding device (54).

2. The construction solid waste treatment and resource utilization system according to claim 1, characterized in that: The lightweight material includes plastic and / or thermal insulation material.

3. The construction solid waste treatment and resource utilization system according to claim 1, characterized in that: The crushing equipment (20) uses a discontinuous feeding method to crush construction solid waste containing light substances.

4. The construction solid waste treatment and resource utilization system according to claim 1, characterized in that: The particle size of the aggregate particles is 5-20 mm.

5. The construction solid waste treatment and resource utilization system according to claim 1, characterized in that: The pulping raw material supplied by the pulping raw material supply device (53) contains a binder.

6. The construction solid waste treatment and resource utilization system according to claim 5, characterized in that: The pulping raw materials supplied by the pulping raw material feeding device (53) also include blank making auxiliary materials.

7. The construction solid waste treatment and resource utilization system according to claim 1, characterized in that: The material mixing device (51) and the regenerated blank pressing device (52) are integrated equipment.

8. The construction solid waste treatment and resource utilization system according to claim 1, characterized in that: The material mixing device (51) and the regenerated blank pressing device (52) are separate devices.

9. The construction solid waste treatment and resource utilization system according to claim 1, characterized in that: The reinforcing material supplied by the reinforcing material feeding device (54) contains fiber material.

10. A method for treating and recycling construction solid waste, using the system for treating and recycling construction solid waste according to any one of claims 1 to 9, characterized in that: Including steps: S1, a first feeding device (10) transports construction solid waste containing light materials to a crushing device (20); S2, crushing equipment (20) crushes the construction solid waste containing light materials into aggregate particles that can be used to prepare recycled blanks; S3, the second feeding device (30) transports the aggregate particles to the recycled blank preparation system (50), during which the material flow scanning and analysis device (40) scans and analyzes the material flow transported on the second feeding device (30) to identify the doping ratio of light substances in the aggregate particles; In step S4, the mixing and slurry mixing device (51) receives the aggregate particles delivered by the second feeding device (30) and the slurry raw materials delivered by the slurry raw material feeding device (53), mixes and stirs the aggregate particles and the slurry raw materials, and then sends them to the regenerated blank pressing device (52), which prepares the regenerated blank. In this process, the control system determines whether it is necessary to add reinforcing materials to the mixing and slurry mixing device (51) based on the doping ratio of light substances in the aggregate particles identified by the material flow scanning and analysis device (40) in step S3, and generates instructions for controlling the operation of the reinforcing material feeding device (54).

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