A composite interactive decoration waste sorting system and method

Abstract

The present invention discloses a composite interactive decoration waste sorting system and method, belonging to the technical field of construction waste sorting. The first feeder is connected to the first two-stage screening device, and the second feeder is connected to the second two-stage screening device; the first two-stage screening device is respectively connected to the three-stage screening device and the second two-stage screening device; the second two-stage screening device is respectively connected to the crushing equipment and the second magnetic separation equipment, and the crushing equipment is connected to the three-stage screening device; the three-stage screening device is connected to the first magnetic separation equipment and the second magnetic separation equipment; the first magnetic separation equipment is connected to the negative pressure air separation equipment, and the second magnetic separation equipment is connected to the positive pressure air separation equipment; the negative pressure air separation equipment and the positive pressure air separation equipment are communicated; the negative pressure air separation equipment is connected to the optoelectronic sorting equipment; the positive pressure air separation equipment is connected to the sorting equipment. The present invention adopts a dual-channel composite interactive production line, which can simultaneously meet the comprehensive treatment requirements of bagged and non-bagged decoration waste, improve the operation efficiency, reduce the sorting cost, improve the working environment, and control the quality.

Description

Technical Field

[0001] The present invention relates to the technical field of construction waste sorting, and specifically to a composite interactive decoration waste sorting system and method. Background Technique

[0002] With the continuous expansion of the urbanization scale and the booming development of new rural construction, a large number of buildings are rapidly replaced, demolished, and renovated, generating a huge amount of construction waste. Decoration waste generally refers to waste such as concrete, mortar, bricks and tiles, ceramics, stone, gypsum, aerated concrete blocks, metals, wood, glass, plastics, etc. generated during the house decoration process. With the increasing emphasis on resources, the resource-based recycling of decoration waste has begun to emerge.

[0003] The Chinese patent discloses a high-cleanliness sorting process method applicable to decoration waste (CN114273199A), which transfers the decoration waste to a drum bag-breaking machine for bag-breaking treatment. The dispersed decoration waste enters a two-stage screening device and is divided into large-particle-size waste and small-particle-size waste. The large-particle-size waste is put into a magnetic separator for magnetic separation and then sent to a ventilation chamber for air separation. At the same time, the small-particle-size waste is transported to a three-stage screening device for screening to obtain a first screened product, a second screened product, and a third screened product. Then, the first screened product is put into a magnetic separator and then into an air separator for screening. At the same time, the second screened product is screened by a magnetic separator to remove waste metals and then sent to an air separator for screening. The second screened product after air separation is screened by an optical separator.

[0004] The deficiencies of the above-mentioned existing technologies are as follows: for materials with different forms, the sorting processes are also different; the existing sorting systems are single, so for materials with different forms, it is necessary to adjust or even increase the sorting production line, which will increase the sorting operation cost, and the working efficiency of the single sorting system is not high. Summary of the Invention

[0005] To solve the deficiencies of the above-mentioned existing technologies, the present invention provides a composite interactive decoration waste sorting system and method.

[0006] The present invention adopts the following technical solutions: a composite interactive decoration waste sorting system;

[0007] Including a first feeder and a second feeder;

[0008] The discharge port of the first feeder is connected to the feed port of the first two-stage screening device, and the discharge port of the second feeder is connected to the feed port of the second two-stage screening device;

[0009] The lower discharge port of the first two-stage screening device is connected to the feed port of the three-stage screening device, and the upper discharge port of the first two-stage screening device is connected to the feed port of the second two-stage screening device; the lower discharge port of the second two-stage screening device is connected to the crushing equipment, the crushing equipment is connected to the feed port of the three-stage screening device, and the upper discharge port of the second two-stage screening device is connected to the feed port of the second magnetic separation device;

[0010] The lower discharge port of the three-stage screening device is connected to the lime soil collection box, the middle discharge port of the three-stage screening device is connected to the feed port of the first magnetic separation device, and the upper discharge port of the three-stage screening device is connected to the feed port of the second magnetic separation device;

[0011] The upper discharge port of the first magnetic separation device and the upper discharge port of the second magnetic separation device are connected to the metal collection box, the lower discharge port of the first magnetic separation device is connected to the negative pressure air separation device, and the lower discharge port of the second magnetic separation device is connected to the positive pressure air separation device;

[0012] The negative pressure air separation device and the positive pressure air separation device are connected, and the upper discharge port of the negative pressure air separation device and the upper discharge port of the positive pressure air separation device are connected to the light material collection box;

[0013] The lower discharge port of the negative pressure air separation device is connected to the feed port of the optoelectronic sorting device, and the discharge port of the optoelectronic sorting device is respectively connected to the wood collection box and the feed port of the impact crusher;

[0014] The lower discharge port of the positive pressure air separation device is connected to the feed port of the sorting device, and the discharge port of the sorting device is respectively connected to the light material collection box, the wood collection box, the non-ferrous metal collection box, the aerated block collection box and the feed port of the impact crusher;

[0015] The discharge port of the impact crusher is connected to the feed port of the third magnetic separation device;

[0016] The upper discharge port of the third magnetic separation device is connected to the metal collection box, and the lower discharge port of the third magnetic separation device is connected to the feed port of the fine crusher;

[0017] The discharge port of the fine crusher is connected to the feed port of the aggregate screening device;

[0018] The large pieces in the upper discharge port of the aggregate screening device are returned to the impact crusher; the middle discharge port of the aggregate screening device is connected to the recycled aggregate collection box; the lower discharge port of the aggregate screening device is connected to the powder collection box.

[0019] Furthermore, the negative pressure air separation device is connected to the dust removal device through a negative pressure pipeline, the dust removal device includes a fan, and the dust removal device is connected to the positive pressure air separation device through a positive pressure pipeline; a separator for separating light materials is installed in the negative pressure pipeline.

[0020] A composite interactive method for sorting renovation waste

[0021] comprises the following steps:

[0022] Step S1, placing the bagged waste onto the first feeder, and the first feeder sends the material to the first two-stage screening device;

[0023] placing the bulk waste onto the second feeder, and the second feeder sends the material to the second two-stage screening device;

[0024] Step S2, the lower-level material of the first two-stage screening device enters the three-stage screening device, and the upper-level material of the first two-stage screening device enters the second two-stage screening device;

[0025] The lower-level material of the second two-stage screening device enters the crushing equipment, and the material crushed by the crushing equipment enters the three-stage screening device. The upper-level material of the second two-stage screening device enters the second magnetic separation equipment;

[0026] Step S3, the lower-level material of the three-stage screening device enters the ash soil collection box, the intermediate-level material of the three-stage screening device enters the first magnetic separation equipment, and the upper-level material of the three-stage screening device enters the second magnetic separation equipment;

[0027] Step S4, the lower-level material of the first magnetic separation equipment enters the negative pressure air separation equipment, and the upper-level material of the first magnetic separation equipment enters the metal collection box;

[0028] The lower-level material of the second magnetic separation equipment enters the positive pressure air separation equipment, and the upper-level material of the first magnetic separation equipment enters the metal collection box;

[0029] Step S5, the negative pressure air separation equipment and the positive pressure air separation equipment are connected;

[0030] The lower-level material of the negative pressure air separation equipment enters the optoelectronic sorting equipment, and the upper-level material of the negative pressure air separation equipment enters the light material collection box;

[0031] The lower-level material of the positive pressure air separation equipment enters the sorting equipment, and the upper-level material of the positive pressure air separation equipment enters the light material collection box;

[0032] Step S6, the lower-level material of the optoelectronic sorting equipment enters the impact crushing equipment, and the upper-level material of the optoelectronic sorting equipment enters the wood collection box;

[0033] Step S7, the lower-level material of the sorting equipment enters the impact crushing equipment, and the upper-level material of the sorting equipment enters the light material collection box, the wood collection box, the non-ferrous metal collection box, and the aerated block collection box respectively,

[0034] Step S8, the materials crushed by the impact crushing equipment enter the third magnetic separation equipment; the lower-level materials of the third magnetic separation equipment enter the fine crushing equipment, and the upper-level materials of the third magnetic separation equipment enter the metal collection box;

[0035] Step S9, the materials crushed by the fine crushing equipment enter the aggregate screening equipment; the large pieces in the upper discharge port of the aggregate screening equipment are returned to the impact crushing equipment, the intermediate discharge port of the aggregate screening equipment is connected to the recycled aggregate collection box, and the lower discharge port of the aggregate screening equipment is connected to the powder collection box.

[0036] Furthermore, in step S5, the negative pressure air separation equipment is connected to the dust removal equipment through a negative pressure pipeline. The dust removal equipment includes a fan, and the air separation operation of the negative pressure air separation equipment is realized by using the negative pressure provided by the dust removal equipment;

[0037] The dust removal equipment is connected to the positive pressure air separation equipment through a positive pressure pipeline. After the dust removal equipment removes dust from the air coming from the negative pressure air separation equipment, it blows towards the positive pressure air separation equipment to realize the air separation operation of the positive pressure air separation equipment.

[0038] In the said step S2, the lower-level materials of the first two-stage screening device are materials with a size of 0 - 120 mm, and the upper-level materials of the first two-stage screening device are materials with a size of ≥ 120 mm;

[0039] The lower-level materials of the second two-stage screening device are materials with a size of 0 - 110 mm, and the upper-level materials of the second two-stage screening device are materials with a size of ≥ 110 mm.

[0040] In the said step S3, the lower-level materials of the three-stage screening device are lime soil with a size of 0 - 12 mm, the intermediate materials of the three-stage screening device are materials with a size of 12 - 80 mm, and the upper-level materials of the three-stage screening device are materials with a size of ≥ 80 mm.

[0041] In the said step S1, the bagged garbage is manually torn open during the transportation by the first feeder;

[0042] In the said step S2, when the first two-stage screening device is working, the hooks on the inner wall of the first two-stage screening device hook the woven bag, scoop out the materials in the woven bag, realize the complete separation of the materials and the woven bag, and then the woven bag is taken out manually.

[0043] In the said step S7, the sorting equipment uses manual or robotic sorting.

[0044] The beneficial effects of the present invention are as follows:

[0045] By adopting a dual-channel composite interactive production line, different process settings and double feeding ports can simultaneously meet the disposal of bagged and non-bagged decoration garbage, meet the diversified comprehensive treatment requirements of the market. The interactive production line can share some sorting equipment, conduct centralized treatment, improve the operation efficiency, and reduce the sorting cost;

[0046] The particle sizes of the materials discharged from the two production lines are different. The negative-pressure air separation equipment and the positive-pressure air separation equipment are correspondingly designed, and the dust removal equipment is shared. The small particles enter the dust removal equipment from the negative-pressure air separation equipment to complete dust collection, and then enter the positive-pressure air separation equipment after dust removal to avoid the generation of dust, improve the working environment, and control the quality. Brief Description of the Drawings

[0047] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0048] Figure 1 It is the schematic diagram of a composite interactive decoration waste sorting system of the present invention; Specific Embodiments

[0049] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0050] Embodiment 1

[0051] Combined with Figure 1 As shown, a composite interactive decoration waste sorting system adopts a double feeding port design and includes two interactive sorting production lines.

[0052] The bagged waste uses the first feeder as the feeding port, and the discharge port of the first feeder is connected to the feeding port of the first two-stage screening device. The bulk waste uses the second feeder as the feeding port, and the discharge port of the second feeder is connected to the feeding port of the second two-stage screening device.

[0053] The first two-stage screening device separates two kinds of materials. The lower discharge port of the first two-stage screening device is connected to the feeding port of the three-stage screening device, and the upper discharge port of the first two-stage screening device is connected to the feeding port of the second two-stage screening device. The second two-stage screening device separates two kinds of materials. The lower discharge port of the second two-stage screening device is connected to the crushing equipment, and the crushing equipment is connected to the feeding port of the three-stage screening device. The upper discharge port of the second two-stage screening device is connected to the feeding port of the second magnetic separation device.

[0054] The three - stage screening device separates three kinds of materials. The lower discharge port of the three - stage screening device directly outputs lime soil, and the lime soil is collected in the lime soil collection frame. The middle discharge port of the three - stage screening device is connected to the feed port of the first magnetic separation device, and the upper discharge port of the three - stage screening device is connected to the feed port of the second magnetic separation device.

[0055] The first magnetic separation device and the second magnetic separation device are used to separate metals. The upper discharge ports of the first magnetic separation device and the second magnetic separation device directly output metals, and the metals are collected in the metal collection frame. The materials separated by the first magnetic separation device are connected to the negative - pressure air - separation device through the lower discharge port. The materials separated by the second magnetic separation device are connected to the positive - pressure air - separation device through the lower discharge port.

[0056] The lower discharge port of the negative - pressure air - separation device is connected to the feed port of the optoelectronic separation device, and the discharge ports of the optoelectronic separation device are respectively connected to the wood collection frame and the feed port of the impact crushing device;

[0057] The lower discharge port of the positive - pressure air - separation device is connected to the feed port of the sorting device. The sorting device uses manual or robotic sorting and separates five kinds of materials, and the five kinds of materials are respectively sent to the light - material collection frame, the wood collection frame, the non - ferrous metal collection frame, the aerated block collection frame and the impact crushing device.

[0058] The discharge port of the impact crushing device is connected to the feed port of the third magnetic separation device;

[0059] The upper discharge port of the third magnetic separation device is connected to the metal collection frame, and the lower discharge port of the third magnetic separation device is connected to the feed port of the fine crushing device;

[0060] The discharge port of the fine crushing device is connected to the feed port of the aggregate screening device;

[0061] The large - sized materials in the upper discharge port of the aggregate screening device are returned to the impact crushing device; the middle discharge port of the aggregate screening device is connected to the recycled aggregate collection frame; the lower discharge port of the aggregate screening device is connected to the powder collection frame.

[0062] The negative - pressure air - separation device is connected to the dust removal device through a negative - pressure pipeline, and a separator for separating light materials is installed in the negative - pressure pipeline. The dust removal device includes at least one fan, which can provide negative - pressure wind power for the negative - pressure air - separation device. The dust removal device is connected to the positive - pressure air - separation device through a positive - pressure pipeline. After controlling and removing dust from the negative - pressure air - separation device, the dust removal device blows it to the positive - pressure air - separation device to provide positive - pressure wind power for the positive - pressure air - separation device.

[0063] Example Two

[0064] Based on the above Example One, a composite interactive decoration waste sorting method,

[0065] includes the following steps:

[0066] Step S1: Place the bagged garbage onto the first feeder, and the first feeder sends the material to the first two-stage screening device. During the conveying process, manually break the bags.

[0067] Place the bulk garbage onto the second feeder, and the second feeder sends the material to the second two-stage screening device.

[0068] Step S2: The lower-level material of the first two-stage screening device enters the three-stage screening device, and the upper-level material of the first two-stage screening device enters the second two-stage screening device. When the first two-stage screening device is working, the hooks on the inner wall of the first two-stage screening device can hook the woven bag and scoop out the material in the woven bag to achieve complete separation of the material and the woven bag, and then manually take out the woven bag. In this embodiment, the lower-level material of the first two-stage screening device is the material with a size of 0 - 120 mm, and the upper-level material of the first two-stage screening device is the material with a size of ≥120 mm. The material size can be adjusted according to the actual situation.

[0069] The lower-level material of the second two-stage screening device enters the crushing equipment, and the material crushed by the crushing equipment enters the three-stage screening device. The upper-level material of the second two-stage screening device enters the second magnetic separation equipment. In this embodiment, the lower-level material of the second two-stage screening device is the material with a size of 0 - 110 mm, and the upper-level material of the second two-stage screening device is the material with a size of ≥110 mm. The material size can be adjusted according to the actual situation.

[0070] Step S3: The lower-level material of the three-stage screening device enters the ash soil collection box, the middle-level material of the three-stage screening device enters the first magnetic separation equipment, and the upper-level material of the three-stage screening device enters the second magnetic separation equipment. In this embodiment, the lower-level material of the three-stage screening device is the ash soil with a size of 0 - 12 mm, the middle-level material of the three-stage screening device is the material with a size of 12 - 80 mm, and the upper-level material of the three-stage screening device is the material with a size of ≥80 mm. The material size can be adjusted according to the actual situation. The characteristic of the combined screen is the one-layer 3D screen design, which effectively prevents the wire and hook-shaped objects in the material from hooking the screen, and the two-layer tension screen design, which ensures that there is no screen clogging phenomenon even when the material is relatively wet.

[0071] Step S4: The lower-level material of the first magnetic separation equipment enters the negative pressure air separation equipment, and the upper-level material of the first magnetic separation equipment enters the metal collection box; the lower-level material of the second magnetic separation equipment enters the positive pressure air separation equipment, and the upper-level material of the first magnetic separation equipment enters the metal collection box.

[0072] Step S5: The negative pressure air separation equipment and the positive pressure air separation equipment are connected; the lower-level material of the negative pressure air separation equipment enters the optoelectronic sorting equipment, and the upper-level material of the negative pressure air separation equipment enters the light material collection box; the lower-level material of the positive pressure air separation equipment enters the sorting equipment, and the upper-level material of the positive pressure air separation equipment enters the light material collection box.

[0073] The negative pressure air separation equipment is connected to the dust removal equipment through a negative pressure pipeline, and the negative pressure provided by the dust removal equipment is used to realize the air separation operation of the negative pressure air separation equipment; the dust removal equipment is connected to the positive pressure air separation equipment through a positive pressure pipeline, and the dust removal equipment removes the dust from the negative pressure air separation equipment and then blows the air to the positive pressure air separation equipment to realize the air separation operation of the positive pressure air separation equipment.

[0074] Step S6, the lower level materials of the photoelectric sorting device enter the impact crushing device, and the upper level materials of the photoelectric sorting device enter the wood collection frame;

[0075] Step S7, the lower level materials of the sorting equipment enter the impact crushing equipment, and the upper level materials of the sorting equipment enter the light material collection frame, the wood collection frame, the non-ferrous metal collection frame and the aerated block collection frame respectively.

[0076] Step S8, the material crushed by the impact crushing device enters the third magnetic separation device; the lower level material of the third magnetic separation device enters the fine crushing device, and the upper level material of the third magnetic separation device enters the metal collection box;

[0077] Step S9, the material crushed by the fine crushing equipment enters the aggregate screening equipment; the large pieces of material in the upper discharge port of the aggregate screening equipment are returned to the impact crushing equipment, the intermediate discharge port of the aggregate screening equipment is connected to the recycled aggregate collection frame, and the lower discharge port of the aggregate screening equipment is connected to the powder collection frame.

[0078] In this embodiment, the negative pressure air separation equipment and the positive pressure air separation equipment work in coordination with each other. Considering the design of the subsequent negative pressure air separation equipment and the positive pressure air separation equipment, the size of one layer of the 3D screen of the three-stage screening device is set to 80mm, and finally the material of 12-80mm enters the negative pressure air separation equipment through the first magnetic separation device. Since there is still a small amount of powder in the material in this interval, the use of dust removal equipment and negative pressure air separation to separate light materials has a good dust collection effect and improves the working environment. The remaining materials above 80mm and the materials above 110mm classified by the second two-stage screening device enter the positive pressure air separation equipment together. The positive pressure air separation equipment uses a confined space to separate light materials under the combined positive pressure of positive and negative pressures, while preventing the generation of dust.

[0079] The present invention adopts the design of double feeding ports and two interactive sorting lines. Different process settings and double feeding ports can simultaneously meet the disposal of bagged and non-bagged decoration waste. The interactive lines can share some sorting equipment for centralized processing, improve operating efficiency, and reduce sorting costs. The coordination of various equipment perfectly controls the sorting quality. The annual output of the present invention is about 300,000 tons, which meets the diversified comprehensive processing needs of the market, effectively avoids the impact on the environment during the production process, realizes resource utilization, and eliminates the damage of decoration waste to the ecology.

[0080] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. These embodiments are selected and specifically described in this specification to better explain the principles and practical applications of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. A composite interactive decoration waste sorting system, Characterized in that: It includes a first feeder and a second feeder; The discharge port of the first feeder is connected to the feed port of the first two-stage screening device, and the discharge port of the second feeder is connected to the feed port of the second two-stage screening device; The lower-stage discharge port of the first two-stage screening device is connected to the feed port of the three-stage screening device, and the upper-stage discharge port of the first two-stage screening device is connected to the feed port of the second two-stage screening device; the lower-stage discharge port of the second two-stage screening device is connected to the crushing equipment, and the crushing equipment is connected to the feed port of the three-stage screening device. The upper-stage discharge port of the second two-stage screening device is connected to the feed port of the second magnetic separation device; The lower-stage discharge port of the three-stage screening device is connected to the ash soil collection box, the middle-stage discharge port of the three-stage screening device is connected to the feed port of the first magnetic separation device, and the upper-stage discharge port of the three-stage screening device is connected to the feed port of the second magnetic separation device; The upper-stage discharge ports of the first magnetic separation device and the second magnetic separation device are connected to the metal collection box, the lower-stage discharge port of the first magnetic separation device is connected to the negative pressure air separation device, and the lower-stage discharge port of the second magnetic separation device is connected to the positive pressure air separation device; The negative pressure air separation device and the positive pressure air separation device are connected, and the upper-stage discharge ports of the negative pressure air separation device and the positive pressure air separation device are connected to the light material collection box; The lower-stage discharge port of the negative pressure air separation device is connected to the feed port of the optoelectronic sorting device, and the discharge port of the optoelectronic sorting device is respectively connected to the wood collection box and the feed port of the impact crusher; The lower-stage discharge port of the positive pressure air separation device is connected to the feed port of the sorting device, and the discharge port of the sorting device is respectively connected to the light material collection box, the wood collection box, the non-ferrous metal collection box, the aerated block collection box and the feed port of the impact crusher; The discharge port of the impact crusher is connected to the feed port of the third magnetic separation device; The upper-stage discharge port of the third magnetic separation device is connected to the metal collection box, and the lower-stage discharge port of the third magnetic separation device is connected to the feed port of the fine crusher; The discharge port of the fine crusher is connected to the feed port of the aggregate screening device; The large pieces of materials in the upper-stage discharge port of the aggregate screening device are returned to the impact crusher; the middle-stage discharge port of the aggregate screening device is connected to the recycled aggregate collection box; the lower-stage discharge port of the aggregate screening device is connected to the powder collection box.

2. The composite interactive decoration waste sorting system according to claim 1, wherein: The negative pressure air separation device is connected to the dust removal device through a negative pressure pipeline. The dust removal device includes a fan, and the dust removal device is connected to the positive pressure air separation device through a positive pressure pipeline; a separator for separating light materials is installed in the negative pressure pipeline.

3. A composite interactive decoration waste sorting method, Characterized in that, It includes the following steps: Step S1, place the bagged waste on the first feeder, and the first feeder sends the material to the first two-stage screening device; Place the bulk waste on the second feeder, and the second feeder sends the material to the second two-stage screening device; Step S2, the lower-stage materials of the first two-stage screening device enter the three-stage screening device, and the upper-stage materials of the first two-stage screening device enter the second two-stage screening device; The lower-level materials of the second two-stage screening device enter the crushing equipment, and the materials crushed by the crushing equipment enter the three-stage screening device. The upper-level materials of the second two-stage screening device enter the second magnetic separation equipment; Step S3: The lower-level materials of the three-stage screening device enter the ash soil collection box, the intermediate-level materials of the three-stage screening device enter the first magnetic separation equipment, and the upper-level materials of the three-stage screening device enter the second magnetic separation equipment; Step S4: The lower-level materials of the first magnetic separation equipment enter the negative pressure air separation equipment, and the upper-level materials of the first magnetic separation equipment enter the metal collection box; The lower-level materials of the second magnetic separation equipment enter the positive pressure air separation equipment, and the upper-level materials of the first magnetic separation equipment enter the metal collection box; Step S5: The negative pressure air separation equipment and the positive pressure air separation equipment are connected; The lower-level materials of the negative pressure air separation equipment enter the optoelectronic sorting equipment, and the upper-level materials of the negative pressure air separation equipment enter the light material collection box; The lower-level materials of the positive pressure air separation equipment enter the sorting equipment, and the upper-level materials of the positive pressure air separation equipment enter the light material collection box; Step S6: The lower-level materials of the optoelectronic sorting equipment enter the impact crusher, and the upper-level materials of the optoelectronic sorting equipment enter the wood collection box; Step S7: The lower-level materials of the sorting equipment enter the impact crusher, and the upper-level materials of the sorting equipment enter the light material collection box, the wood collection box, the non-ferrous metal collection box, and the aerated block collection box respectively. Step S8: The materials crushed by the impact crusher enter the third magnetic separation equipment; the lower-level materials of the third magnetic separation equipment enter the fine crusher, and the upper-level materials of the third magnetic separation equipment enter the metal collection box; Step S9: The materials crushed by the fine crusher enter the aggregate screening equipment; the large pieces in the upper discharge port of the aggregate screening equipment are returned to the impact crusher, the intermediate discharge port of the aggregate screening equipment is connected to the recycled aggregate collection box, and the lower discharge port of the aggregate screening equipment is connected to the powder collection box.

4. A composite interactive decoration waste sorting method according to claim 3, characterized in that: In step S5, the negative pressure air separation equipment is connected to the dust removal equipment through a negative pressure pipeline. The dust removal equipment includes a fan, and the air separation operation of the negative pressure air separation equipment is realized by using the negative pressure provided by the dust removal equipment; The dust removal equipment is connected to the positive pressure air separation equipment through a positive pressure pipeline. After the dust removal equipment removes the dust from the air from the negative pressure air separation equipment, it blows towards the positive pressure air separation equipment to realize the air separation operation of the positive pressure air separation equipment.

5. A composite interactive decoration waste sorting method according to claim 3, characterized in that: In the said step S2, the lower-level materials of the first two-stage screening device are materials with a size of 0 - 120 mm, and the upper-level materials of the first two-stage screening device are materials with a size of ≥ 120 mm; The lower-level materials of the second two-stage screening device are materials with a size of 0 - 110 mm, and the upper-level materials of the second two-stage screening device are materials with a size of ≥ 110 mm.

6. The compound interactive decoration waste sorting method according to claim 5, characterized in that: In the said step S3, the lower-level materials of the three-stage screening device are ash soil with a size of 0 - 12 mm, the intermediate-level materials of the three-stage screening device are materials with a size of 12 - 80 mm, and the upper-level materials of the three-stage screening device are materials with a size of ≥ 80 mm.

7. A composite interactive decoration waste sorting method according to claim 3, characterized in that: In the said step S1, the bagged garbage is manually broken during the transportation by the first feeder; In the step S2, when the first two-stage screening device works, the hooks on the inner wall of the first two-stage screening device hook the woven bag, discharge the materials in the woven bag, and achieve a complete separation of the materials and the woven bag. Then, the operator manually takes out the woven bag.

8. The composite interactive decoration waste sorting method according to claim 3, characterized in that: In the step S7, the sorting equipment uses manual or robotic sorting.

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