Construction waste recycling treatment system and treatment process

Abstract

The invention discloses a construction waste recycling treatment system and process. The treatment system comprises a rack, a feeding device, a horizontal conveying device, a first smashing device, an airflow auxiliary sorting device, an electromagnetic adsorption sorting device, a second smashing device, a mixing and stirring device and an auxiliary material filling device. The airflow-assisted sorting device comprises a nozzle blowing mechanism and a light waste collecting mechanism; according to the treatment process, a first crushing device is used for primary crushing; light waste is separated and collected through airflow generated by the nozzle blowing mechanism, and metal waste is separated out through magnetic attraction by the electromagnetic attraction sorting device. The second crushing device is used for performing secondary crushing on the residual building wastes; the mixing and stirring device is used for stirring the construction waste and the cement auxiliary material to form concrete; according to the method, useful components in the construction waste can be separated and recycled, resource waste is reduced, environmental pollution is reduced, and efficient treatment and cyclic utilization of the construction waste are achieved.

Description

Technical Field

[0001] The present application relates to the technical field of construction waste treatment equipment, and in particular to a construction waste recycling treatment system and treatment process. Background Art

[0002] In the construction industry, the construction, decoration or renovation process of houses will generate a large amount of construction waste, mainly including concrete fragments, brick fragments, metal waste and plastic waste; these construction wastes are usually treated by overall crushing and landfill after cleaning, which makes it impossible to sort and recycle different types of waste; not only does it cause a waste of resources, but it also causes serious pollution to the land environment. Summary of the invention

[0003] In order to improve the defect that construction waste cannot be effectively sorted and reused after cleaning, the present application provides a construction waste recycling treatment system and treatment process.

[0004] The present application provides a construction waste recycling treatment system and treatment process using the following technical solutions: A construction waste recycling and processing system, comprising a frame, a feeding device arranged at the upper end of the frame and used for construction waste to enter, a horizontal conveying device connected to the frame and located below the feeding device, a first crushing device arranged below one end of the horizontal conveying device, an airflow-assisted sorting device located below the first crushing device and used for separating light waste from construction waste, an electromagnetic adsorption sorting device arranged below the airflow-assisted sorting device and used for separating metal waste from construction waste, a second crushing device arranged below the electromagnetic adsorption sorting device, a mixing and stirring device arranged below the second crushing device, and an auxiliary material filling device connected to the mixing and stirring device; The airflow-assisted sorting device includes a nozzle blowing mechanism arranged on one side of the outlet end below the first crushing device, and a light waste collection mechanism arranged on the other side of the outlet end below the first crushing device; when the construction waste falls downward from the first crushing device and passes through the nozzle blowing mechanism, the nozzle blowing mechanism blows air in the direction facing the light waste collection mechanism, so that the light waste in the construction waste is separated and enters the light waste collection mechanism.

[0005] By adopting the above technical scheme, construction waste is received by the feeding device at the upper end of the frame, and is transported to the first crushing device for preliminary crushing by the horizontal conveying device; the airflow-assisted sorting device generates airflow through the nozzle blowing mechanism to separate the light waste and collect it to the light waste collecting mechanism, thereby realizing the preliminary sorting of construction waste; the electromagnetic adsorption sorting device is used to separate and collect metal waste, the second crushing device further crushes the remaining construction waste, and the mixing and stirring device mixes the crushed construction waste with the cement auxiliary material provided by the auxiliary material filling device to form concrete, thereby realizing the recycling of construction waste; the present application can effectively improve the resource utilization efficiency of construction waste, reduce environmental pollution, and reduce resource waste.

[0006] Preferably, the first crushing device comprises a first roller crushing mechanism whose two ends are respectively connected to the frame bearings, a crushing roller driving mechanism provided on the frame and used for driving the first roller crushing mechanism to rotate, a top-pressing crushing mechanism located on one side of the first roller crushing mechanism and used for moving toward or away from the first roller crushing mechanism, and a second roller crushing mechanism provided below the top-pressing crushing mechanism; A first crushing channel for squeezing and crushing construction waste is provided between the top pressure crushing mechanism and the first drum crushing mechanism. The top pressure crushing mechanism is used to cooperate with the first drum crushing mechanism to clamp and crush the construction waste in the first crushing channel.

[0007] By adopting the above technical scheme, the first crushing device is connected to the bearing of the frame through the first roller crushing mechanism, and the crushing roller driving mechanism drives and rotates, and cooperates with the top pressure crushing mechanism to achieve preliminary rotational extrusion crushing of the construction waste; the top pressure crushing mechanism can move on the frame, and cooperate with the first roller crushing mechanism to form a first crushing channel, and clamp and squeeze and crush the construction waste in the channel; the second roller crushing mechanism is located below the top pressure crushing mechanism, which further improves the crushing effect; this design can effectively crush the construction waste, provide convenience for subsequent sorting and reuse, thereby improving the recycling efficiency of resources and reducing environmental pollution.

[0008] Preferably, the top pressure crushing mechanism comprises a top pressure clamping plate located on one side of the first roller crushing mechanism and the upper end of which is hinged to the frame, and a top pressure driving mechanism provided on the other side of the top pressure clamping plate relative to the first roller crushing mechanism; The top pressure driving mechanism is used to drive the top pressure clamping plate to move toward or away from the first roller crushing mechanism, so that the top pressure clamping plate cooperates with the first roller crushing mechanism to clamp and crush the construction waste in the first crushing channel.

[0009] By adopting the above technical scheme, the top pressure crushing mechanism realizes the clamping and crushing functions of the construction waste in the first crushing channel through the hinged connection of the top pressure clamping plate and the frame and the telescopic drive of the top pressure driving mechanism; the top pressure clamping plate can move towards or away from the first roller crushing mechanism under the driving action of the top pressure driving mechanism, so as to cooperate with the first roller crushing mechanism to effectively squeeze and crush the construction waste in the channel; this design not only improves the crushing efficiency, but also can adjust the crushing force according to actual needs to adapt to construction waste of different types and hardness, further improving the flexibility and practicality of the construction waste recycling and treatment system.

[0010] Preferably, the second roller crushing mechanism includes a first crushing roller whose two ends are respectively connected to the frame bearings, a second crushing roller and a third crushing roller arranged in parallel with the first crushing roller, and a roller driving assembly arranged on the frame and used to drive the first crushing roller, the second crushing roller and the third crushing roller to rotate respectively; a second crushing channel for squeezing and crushing construction waste is provided between the first crushing roller and the second crushing roller, and between the second crushing roller and the third crushing roller.

[0011] By adopting the above technical scheme, the drum driving assembly drives the first crushing drum, the second crushing drum and the third crushing drum to rotate respectively, so that a second crushing channel is formed between the first crushing drum and the second crushing drum, and between the second crushing drum and the third crushing drum; when the construction waste passes through the second crushing channel, it will be squeezed and sheared by the first crushing drum and the second crushing drum or the second crushing drum and the third crushing drum, thereby achieving an efficient crushing effect; the present application can further reduce the particle size of the construction waste, improve the efficiency of subsequent sorting and reuse, and also enhance the crushing capacity of the entire construction waste recycling and treatment system.

[0012] Preferably, the electromagnetic adsorption sorting device includes an active driving roller connected to the frame bearing, a permanent magnet roller horizontally arranged corresponding to the active driving roller, a transmission belt sleeved on the outer side walls of the active driving roller and the permanent magnet roller, a material guiding scraper mechanism arranged above one side of the active driving roller, a material guiding diversion mechanism arranged below one side of the permanent magnet roller, a roller driving mechanism arranged on the frame and used to drive the active driving roller to rotate, and a metal waste collection mechanism arranged below the transmission belt.

[0013] By adopting the above technical solution, the electromagnetic adsorption sorting device realizes the separation and collection of metal waste in construction waste by connecting the active driving roller with the bearing of the frame and the permanent magnetic roller horizontally arranged with the active driving roller; the transmission belt is sleeved on the outer wall of the active driving roller and the permanent magnetic roller, and the active driving roller is driven to rotate by the roller driving mechanism, thereby driving the transmission belt and the permanent magnetic roller to rotate synchronously; the material guiding scraper mechanism is located above one side of the active driving roller, and is used to guide the construction waste to the transmission belt; the material guiding diversion mechanism is located below one side of the permanent magnetic roller, and is used to guide the metal waste adsorbed on the permanent magnetic roller to the metal waste collection mechanism; When construction waste falls onto the transmission belt, the permanent magnetic roller absorbs the metal waste in the construction waste. When the metal waste is transferred to the lower side with the transmission belt and separated from the permanent magnetic roller, the metal waste falls into the metal waste collection mechanism. This design can effectively separate the metal waste from the construction waste, realize the recycling and reuse of resources, and improve the sorting efficiency and resource utilization level of the construction waste recycling and treatment system.

[0014] Preferably, the material guiding scraper mechanism includes a material guiding scraper body connected to the frame, a first inclined material guiding slope surface provided on the material guiding scraper body and located between the airflow assisted sorting device and the electromagnetic adsorption sorting device, and a metal waste scraper plate for pressing against the outer side wall of the transmission belt.

[0015] By adopting the above technical solution, the first inclined material guide slope is located between the airflow-assisted sorting device and the electromagnetic adsorption sorting device, which can smoothly guide the construction waste to the transmission belt of the electromagnetic adsorption sorting device; the metal waste scraper plate is close to the outer wall of the transmission belt, which can scrape off the metal waste adsorbed on the transmission belt and guide it to the metal waste collection mechanism; this design can improve the transmission efficiency of construction waste during the sorting process, and ensure that metal waste can be accurately separated and collected, further improving the sorting effect and resource recovery rate of the construction waste recycling and treatment system.

[0016] Preferably, the material guiding and diverting mechanism includes a material guiding and diverting body connected to the frame, a metal waste material guiding slope provided on the material guiding and diverting body and located at the open end of the metal waste collecting mechanism, and a second inclined material guiding slope located between the electromagnetic adsorption sorting device and the second crushing device.

[0017] By adopting the above technical solution, the metal waste guiding slope is located at the open end of the metal waste collecting mechanism, which can guide the metal waste adsorbed on the permanent magnetic roller into the metal waste collecting mechanism to realize the collection of metal waste; the second inclined guiding slope is located between the electromagnetic adsorption sorting device and the second crushing device, which can guide the non-metallic waste to the second crushing device for further crushing treatment; this design can improve the transmission efficiency of construction waste during the sorting and crushing process, and ensure that different types of waste can be accurately guided to the corresponding treatment mechanism, thereby improving the sorting efficiency and accuracy of the entire construction waste treatment system and promoting the resource utilization of waste and environmental protection.

[0018] Preferably, the mixing and stirring device includes a mixing and stirring barrel arranged below the second crushing device, a stirring drive mechanism inserted into the mixing and stirring barrel and fixedly connected to the bottom of the second crushing device, a stirring rotating shaft fixedly connected to the output end of the stirring driving mechanism, and transverse stirring blades arranged in an array along the length direction of the stirring rotating shaft.

[0019] By adopting the above technical solution, the output end of the stirring drive mechanism is fixedly connected to the stirring rotating shaft, and transverse stirring blades are arranged in an array along the length direction of the stirring rotating shaft; when the stirring drive mechanism drives the stirring rotating shaft to rotate, the transverse stirring blades can fully stir and mix the granular construction waste in the mixing and mixing barrel, so that the granular construction waste and the cement auxiliary material provided by the auxiliary material filling device are evenly mixed to form concrete, thereby improving the uniformity and quality stability of the mixed concrete; this design can effectively improve the mixing effect in the process of recycling construction waste, and improve the efficiency of resource utilization and product quality.

[0020] Preferably, the auxiliary material filling device includes a cement storage mechanism for accommodating cement powder, and a water tank arranged below the cement storage mechanism, and the cement storage mechanism and the water tank are respectively provided with a feed port and a discharge port connected to the mixing barrel.

[0021] By adopting the above technical solution, the cement storage mechanism is used to contain cement powder, and the water storage tank is used to store water. The cement storage mechanism and the water storage tank receive raw materials through the feed port respectively, and transport the auxiliary materials to the mixing barrel through the discharge port connected to the mixing barrel. This design can accurately control the addition amount of cement powder and water according to actual needs, ensure that the construction waste and cement auxiliary materials after mixing can reach the best ratio, thereby improving the strength and performance of the recycled concrete products; it can also realize the automated auxiliary material adding process, improve work efficiency, and reduce errors in manual operation.

[0022] Preferably, a construction waste recycling treatment process, including the construction waste recycling treatment system, further includes the following steps: S1: Construction waste enters from the feeding device and falls onto the horizontal conveying device; S2: The horizontal conveying device conveys the construction waste to the first crushing device for primary crushing; S3: The construction waste after primary crushing falls downward from the first crushing device and passes through the airflow-assisted sorting device, and the nozzle blowing mechanism blows air in the direction facing the light waste collecting mechanism, so that the light waste in the construction waste is separated and enters the light waste collecting mechanism; S4: the construction waste falls from the airflow-assisted sorting device onto the electromagnetic adsorption sorting device, and the electromagnetic adsorption sorting device separates the metal waste from the construction waste by magnetic attraction; S5: the construction waste separated by magnetic attraction falls from the electromagnetic adsorption sorting device into the second crushing device, and the second crushing device is used to perform secondary crushing on the construction waste to form aggregates; S6: The construction waste after secondary crushing falls into the mixing device, and the auxiliary material filling device adds cement powder and water into the mixing device. The mixing device mixes the aggregate, cement powder and water formed by the crushed construction waste to form concrete.

[0023] By adopting the above technical scheme, construction waste enters the system through the feeding device and is transported to the first crushing device for primary crushing under the action of the horizontal conveying device; the airflow-assisted sorting device uses the airflow generated by the nozzle blowing mechanism to separate and collect light waste, and then the electromagnetic adsorption sorting device separates the metal waste through magnetic attraction; the second crushing device performs secondary crushing on the remaining construction waste to form aggregate; the mixing and stirring device stirs the aggregate, cement powder and water to form concrete; this process can effectively separate and reuse useful components in construction waste, reduce resource waste, reduce environmental pollution, and realize efficient treatment and reuse of construction waste.

[0024] In summary, the present application includes at least one of the following beneficial technical effects: 1. A construction waste recycling and processing system, which receives construction waste through a feeding device at the upper end of a frame, and conveys it to a first crushing device for preliminary crushing by a horizontal conveying device; an airflow-assisted sorting device generates an airflow through a nozzle blowing mechanism to separate light waste and collect it to a light waste collecting mechanism, thereby realizing preliminary sorting of construction waste; an electromagnetic adsorption sorting device is used to separate and collect metal waste, a second crushing device further crushes the remaining construction waste, and a mixing and stirring device mixes the crushed construction waste with cement auxiliary materials provided by an auxiliary material filling device to form concrete, thereby realizing the recycling of construction waste; the application can effectively improve the resource utilization efficiency of construction waste, reduce environmental pollution, and reduce resource waste; 2. A construction waste recycling and processing system, wherein the electromagnetic adsorption sorting device is connected to the bearing of the frame through an active driving roller and a permanent magnetic roller horizontally arranged with the active driving roller, so as to separate and collect metal waste in the construction waste; the driving belt is sleeved on the outer wall of the active driving roller and the permanent magnetic roller, and the active driving roller is driven to rotate by the roller driving mechanism, thereby driving the driving belt and the permanent magnetic roller to rotate synchronously; the material guiding scraper mechanism is located above one side of the active driving roller, and is used to guide the construction waste to the driving belt; the material guiding diversion mechanism is located below one side of the permanent magnetic roller, and is used to guide the metal waste adsorbed on the permanent magnetic roller to the metal waste collection mechanism; when the construction waste falls onto the driving belt, the permanent magnetic roller absorbs the metal waste in the construction waste, and when the metal waste is transferred to the lower side with the driving belt and separated from the permanent magnetic roller, the metal waste falls into the metal waste collection mechanism; this design can effectively separate the metal waste in the construction waste, realize the recycling and reuse of resources, and improve the sorting efficiency and resource utilization level of the construction waste recycling and processing system; 3. A construction waste recycling and treatment process, construction waste enters the system through a feeding device, and is transported to a first crushing device for primary crushing under the action of a horizontal conveying device; an airflow-assisted sorting device uses the airflow generated by a nozzle blowing mechanism to separate and collect light waste, and then an electromagnetic adsorption sorting device separates metal waste by magnetic attraction; a second crushing device performs secondary crushing on the remaining construction waste to form aggregates; a mixing and stirring device stirs the aggregates, cement powder and water to form concrete; this process can effectively separate and reuse useful components in construction waste, reduce resource waste, reduce environmental pollution, and achieve efficient treatment and reuse of construction waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a cross-sectional structural schematic diagram of an embodiment of the construction waste recycling and treatment system of the present application.

[0026] Figure 2 It is a schematic diagram of the internal three-dimensional structure of an embodiment of the construction waste recycling and treatment system of the present application.

[0027] Figure 3 It is a schematic diagram of the steps of the construction waste recycling treatment process embodiment of the present application.

[0028] Description of reference numerals: 1. Frame; 2. Feeding device; 3. Horizontal conveying device; 4. First crushing device; 41. First roller crushing mechanism; 42. Crushing roller driving mechanism; 43. Top pressure crushing mechanism; 44. Second roller crushing mechanism; 45. First crushing channel; 431. Top pressure clamping plate; 432. Top pressure driving mechanism; 441. First crushing roller; 442. Second crushing roller; 443. Third crushing roller; 444. Roller driving assembly; 445. Second crushing channel; 4321. Hydraulic cylinder; 4322. Support sliding plate; 5. Airflow-assisted sorting device; 51. Nozzle blowing mechanism; 52. Lightweight waste collection mechanism; 511. Nozzle; 512. Air pump; 6. Electromagnetic adsorption sorting device; 61. Active drive roller; 62. Permanent magnet roller; 63. Transmission belt; 64. Material guide scraper mechanism; 65. Material guide diversion mechanism; 66. Roller driving mechanism; 67. Metal waste collection mechanism; 641. Material guide scraper body; 642. First inclined material guide slope; 643. Metal waste scraper plate; 651. Material guide diversion body; 652. Metal waste material guide slope; 653. Second inclined material guide slope; 7. Second crushing device; 8. Mixing and stirring device; 81. Mixing and stirring barrel; 82. Stirring drive mechanism; 83. Stirring rotating shaft; 84. Horizontal stirring fan blades; 9. Auxiliary material filling device; 91. Cement storage mechanism; 92. Water storage tank; 93. Feed inlet; 94. Discharge outlet; 10. Detection support rod; 11. Photoelectric sensor. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1-3 This application is described in further detail.

[0030] The present application embodiment discloses a construction waste recycling treatment system and treatment process. Figure 1A construction waste recycling and processing system includes a frame 1, a feeding device 2 disposed at the upper end of the frame 1 and used for feeding construction waste, a horizontal conveying device 3 connected to the frame 1 and located below the feeding device 2, a first crushing device 4 disposed below one end of the horizontal conveying device 3, an airflow-assisted sorting device 5 disposed below the first crushing device 4 and used for separating light waste from construction waste, an electromagnetic adsorption sorting device 6 disposed below the airflow-assisted sorting device 5 and used for separating metal waste from construction waste, a second crushing device 7 disposed below the electromagnetic adsorption sorting device 6, a mixing and stirring device 8 disposed below the second crushing device 7, and an auxiliary material filling device 9 connected to the mixing and stirring device 8; The airflow-assisted sorting device 5 includes a nozzle blowing mechanism 51 arranged on one side of the outlet end below the first crushing device 4, and a light waste collecting mechanism 52 arranged on the other side of the outlet end below the first crushing device 4; when the construction waste falls downward from the first crushing device 4 and passes through the nozzle blowing mechanism 51, the nozzle blowing mechanism 51 blows air in the direction facing the light waste collecting mechanism 52, so that the light waste in the construction waste is separated and enters the light waste collecting mechanism 52.

[0031] The present application receives construction waste through the feeding device 2 at the upper end of the frame 1, and conveys it to the first crushing device 4 for preliminary crushing by the horizontal conveying device 3; the airflow auxiliary sorting device 5 generates airflow through the nozzle blowing mechanism 51, separates the light waste and collects it to the light waste collecting mechanism 52, so as to realize the preliminary sorting of construction waste; the electromagnetic adsorption sorting device 6 is used to separate and collect metal waste, the second crushing device 7 further crushes the remaining construction waste, and the mixing device 8 mixes the crushed construction waste with the cement auxiliary material provided by the auxiliary material filling device 9 to form concrete, thereby realizing the recycling of construction waste; the present application can effectively improve the resource utilization efficiency of construction waste, reduce environmental pollution, and reduce resource waste; The horizontal conveying device 3 of the present application is preferably a conveyor belt, and the second crushing device 7 is preferably a cone crusher; Figure 2 As shown, the nozzle blowing mechanism 51 includes nozzles 511 arranged in an array from top to bottom, and an air pump 512 connected to the nozzles 511; the light waste collection mechanism 52 is preferably a collection and storage box, and the light waste is preferably plastic waste and paper waste; the feeding device 2 is preferably a feeding funnel.

[0032] Furthermore, if Figure 1 and 2As shown, the first crushing device 4 includes a first roller crushing mechanism 41 whose two ends are respectively connected to the frame 1 by bearings, a crushing roller driving mechanism 42 arranged on the frame 1 and used to drive the first roller crushing mechanism 41 to rotate, a top-pressing crushing mechanism 43 located on one side of the first roller crushing mechanism 41 and used to move toward or away from the first roller crushing mechanism 41, and a second roller crushing mechanism 44 arranged below the top-pressing crushing mechanism 43; A first crushing channel 45 for squeezing and crushing construction waste is provided between the top-pressing crushing mechanism 43 and the first roller crushing mechanism 41 . The top-pressing crushing mechanism 43 is used to cooperate with the first roller crushing mechanism 41 to clamp and crush the construction waste in the first crushing channel 45 .

[0033] The first crushing device 4 of the present application is connected to the bearing of the frame 1 through the first roller crushing mechanism 41, and the crushing roller driving mechanism 42 is driven to rotate, and cooperates with the top pressure crushing mechanism 43 to achieve preliminary rotation and extrusion crushing of the construction waste; the top pressure crushing mechanism 43 can move on the frame 1, and cooperate with the first roller crushing mechanism 41 to form a first crushing channel 45, and clamp and squeeze the construction waste in the channel. The second roller crushing mechanism 44 is located below the top pressure crushing mechanism 43, which further improves the crushing effect; this design can effectively crush the construction waste, provide convenience for subsequent sorting and reuse, thereby improving the recycling efficiency of resources and reducing environmental pollution. The pulverizing drum drive mechanism 42 is preferably a motor.

[0034] Furthermore, if Figure 2 As shown, the top pressure crushing mechanism 43 includes a top pressure clamping plate 431 located on one side of the first roller crushing mechanism 41 and hinged to the frame 1 at its upper end, and a top pressure driving mechanism 432 provided on the other side of the top pressure clamping plate 431 relative to the first roller crushing mechanism 41; The pressing driving mechanism 432 is used to drive the pressing clamping plate 431 to move towards or away from the first roller crushing mechanism 41 , so that the pressing clamping plate 431 cooperates with the first roller crushing mechanism 41 to clamp and crush the construction waste in the first crushing channel 45 .

[0035] The top-pressing crushing mechanism 43 of the present application realizes the clamping and crushing functions of the construction waste in the first crushing channel 45 through the hinged connection of the top-pressing clamping plate 431 and the frame 1 and the telescopic drive of the top-pressing driving mechanism 432; the top-pressing clamping plate 431 can move towards or away from the first roller crushing mechanism 41 under the driving action of the top-pressing driving mechanism 432, so as to cooperate with the first roller crushing mechanism 41 to effectively squeeze and crush the construction waste in the channel; this design not only improves the crushing efficiency, but also can adjust the crushing force according to actual needs to adapt to construction waste of different types and hardness, further improving the flexibility and practicality of the construction waste recycling and treatment system; The top-pressing driving mechanism 432 of the present application includes a hydraulic cylinder 4321, and a supporting sliding plate 4322 hinged to the output end of the hydraulic cylinder 4321 and close to the side wall of the top-pressing clamping plate 431; one side of the horizontal conveying device 3 of the present application is also provided with a detection support rod 10, and a photoelectric sensor 11 provided at the end of the detection support rod 10 and used to be electrically connected to the top-pressing driving mechanism 432; when the photoelectric sensor 11 detects that a large piece of construction waste reaches a preset height on the horizontal conveying device 3, the photoelectric sensor 11 triggers the top-pressing driving mechanism 432 to increase the clamping force to improve the crushing efficiency of the large piece of construction waste; The top pressure driving mechanism 432 of the present application adopts a hydraulic cylinder 4321 as a driving source, and the top pressure clamping plate 431 is driven by the support sliding plate 4322 hinged to the output end of the hydraulic cylinder 4321 and pressed against the side wall of the top pressure clamping plate 431; and a detection support rod 10 and a photoelectric sensor 11 are arranged on one side of the horizontal conveying device 3 to detect the height of the construction waste on the horizontal conveying device 3; when the photoelectric sensor 11 detects a large piece of construction waste reaching a preset height, it triggers the top pressure driving mechanism 432 to increase the clamping force to improve the crushing efficiency of the large piece of construction waste; this design can automatically adjust the crushing force according to the size of the construction waste, improve the crushing effect and work efficiency, and also enhance the automation of the system; The top pressure clamping plate 431 and the first roller crushing mechanism 41 are both provided with extrusion convex edges.

[0036] Specifically, Figure 2 As shown, the second roller crushing mechanism 44 includes a first crushing roller 441 whose two ends are respectively connected to the frame 1 bearings, a second crushing roller 442 and a third crushing roller 443 arranged in parallel with the first crushing roller 441, and a roller driving assembly 444 arranged on the frame 1 and used to drive the first crushing roller 441, the second crushing roller 442 and the third crushing roller 443 to rotate respectively; a second crushing channel 445 for squeezing and crushing construction waste is provided between the first crushing roller 441 and the second crushing roller 442, and between the second crushing roller 442 and the third crushing roller 443.

[0037] The second roller crushing mechanism 44 of the present application realizes further crushing of the construction waste by arranging the first crushing roller 441, the second crushing roller 442 and the third crushing roller 443 in parallel, and the first crushing roller 441, the second crushing roller 442 and the third crushing roller 443 are respectively connected to the bearings of the frame 1; the roller driving assembly 444 drives the first crushing roller 441, the second crushing roller 442 and the third crushing roller 443 to rotate respectively, so that a second crushing channel 445 is formed between the first crushing roller 441 and the second crushing roller 442 and between the second crushing roller 442 and the third crushing roller 443; when the construction waste passes through the second crushing channel 445, it will be squeezed and sheared by the first crushing roller 441 and the second crushing roller 442 or the second crushing roller 442 and the third crushing roller 443, so as to achieve an efficient crushing effect; the present application can further reduce the particle size of the construction waste, improve the efficiency of subsequent sorting and reuse, and also enhance the crushing capacity of the entire construction waste recycling and treatment system; In the present application, the first crushing roller 441, the second crushing roller 442 and the third crushing roller 443 are all provided with extrusion spurs on their outer side walls; the roller driving component 444 is preferably a motor.

[0038] More specifically, if Figure 2 As shown, the electromagnetic adsorption sorting device 6 includes an active driving roller 61 connected to the bearing of the frame 1, a permanent magnetic roller 62 horizontally arranged corresponding to the active driving roller 61, a transmission belt 63 sleeved on the outer side walls of the active driving roller 61 and the permanent magnetic roller 62, a material guiding scraper mechanism 64 arranged above one side of the active driving roller 61, a material guiding diversion mechanism 65 arranged below one side of the permanent magnetic roller 62, a roller driving mechanism 66 arranged on the frame 1 and used to drive the active driving roller 61 to rotate, and a metal waste collecting mechanism 67 arranged below the transmission belt 63.

[0039] The electromagnetic adsorption sorting device 6 of the present application is connected to the bearing of the frame 1 through the active driving roller 61, and the permanent magnetic roller 62 is horizontally arranged with the active driving roller 61, so as to realize the separation and collection of metal waste in the construction waste; the transmission belt 63 is sleeved on the outer wall of the active driving roller 61 and the permanent magnetic roller 62, and the active driving roller 61 is driven to rotate by the roller driving mechanism 66, thereby driving the transmission belt 63 and the permanent magnetic roller 62 to rotate synchronously; the material guiding scraper mechanism 64 is located above one side of the active driving roller 61, and is used to guide the construction waste to the transmission belt 63; the material guiding diversion mechanism 65 is located above ... The permanent magnet roller 62 is located below one side of the permanent magnet roller 62, and is used to guide the metal waste adsorbed on the permanent magnet roller 62 to the metal waste collection mechanism 67; when the construction waste falls onto the transmission belt 63, the permanent magnet roller 62 absorbs the metal waste in the construction waste, and when the metal waste is transferred to the lower side with the transmission belt 63 and separated from the permanent magnet roller 62, the metal waste falls into the metal waste collection mechanism 67; this design can effectively separate the metal waste from the construction waste, realize the recycling and reuse of resources, and improve the sorting efficiency and resource utilization level of the construction waste recycling and treatment system; The drum driving mechanism 66 is preferably a motor, and the metal waste collecting mechanism 67 is preferably a collection and storage box.

[0040] In addition, if Figure 2 As shown, the material scraper mechanism 64 includes a material scraper body 641 connected to the frame 1, a first inclined material guide slope 642 arranged on the material scraper body 641 and located between the airflow assisted sorting device 5 and the electromagnetic adsorption sorting device 6, and a metal waste scraper plate 643 for pressing against the outer wall of the transmission belt 63.

[0041] The material guiding scraper mechanism 64 of the present application realizes the guidance and transmission of the construction waste sorted by the airflow assisted sorting device 5 through the material guiding scraper body 641 connected to the frame 1 and the first inclined material guiding slope 642 arranged on the material guiding scraper body 641; the first inclined material guiding slope 642 is located between the airflow assisted sorting device 5 and the electromagnetic adsorption sorting device 6, and can smoothly guide the construction waste to the transmission belt 63 of the electromagnetic adsorption sorting device 6; the metal waste scraper plate 643 is close to the outer wall of the transmission belt 63, and can scrape the metal waste adsorbed on the transmission belt 63 and guide it to the metal waste collection mechanism 67; this design can improve the transmission efficiency of construction waste during the sorting process, and ensure that metal waste can be accurately separated and collected, further improving the sorting effect and resource recovery rate of the construction waste recycling and treatment system.

[0042] And, if Figure 2As shown, the material guiding and diverting mechanism 65 includes a material guiding and diverting body 651 connected to the frame 1, a metal waste material guiding slope 652 arranged on the material guiding and diverting body 651 and located at the open end of the metal waste collecting mechanism 67, and a second inclined material guiding slope 653 located between the electromagnetic adsorption sorting device 6 and the second crushing device 7.

[0043] The material guiding and diverting mechanism 65 of the present application realizes further guiding and diverting of the construction waste sorted by the electromagnetic adsorption sorting device 6 through the material guiding and diverting body 651 connected to the frame 1, and the metal waste guiding slope 652 and the second inclined material guiding slope 653 arranged on the material guiding and diverting body 651; the metal waste guiding slope 652 is located at the open end of the metal waste collecting mechanism 67, and can guide the metal waste adsorbed on the permanent magnetic roller 62 to the metal waste collecting mechanism 67 to realize the collection of metal waste; the second inclined material guiding slope 653 is located between the electromagnetic adsorption sorting device 6 and the second crushing device 7, and can guide the non-metallic waste to the second crushing device 7 for further crushing treatment; this design can improve the transmission efficiency of construction waste during the sorting and crushing process, and ensure that different types of waste can be accurately guided to the corresponding treatment mechanism, thereby improving the sorting efficiency and accuracy of the entire construction waste treatment system and promoting the resource utilization and environmental protection of waste.

[0044] Furthermore, if Figure 2 As shown, the mixing and stirring device 8 includes a mixing and stirring barrel 81 arranged below the second crushing device 7, a stirring drive mechanism 82 inserted into the mixing and stirring barrel 81 and fixedly connected to the bottom of the second crushing device 7, a stirring rotating shaft 83 fixedly connected to the output end of the stirring driving mechanism 82, and horizontal stirring blades 84 arranged in an array along the length direction of the stirring rotating shaft 83.

[0045] The mixing and stirring device 8 of the present application realizes the mixing and stirring function of the crushed construction waste by means of a mixing and stirring barrel 81 arranged below the second crushing device 7, and a stirring drive mechanism 82 inserted in the mixing and stirring barrel 81 and fixedly connected to the bottom of the second crushing device 7; the output end of the stirring drive mechanism 82 is fixedly connected to the stirring rotating shaft 83, and transverse stirring blades 84 are arranged in an array along the length direction of the stirring rotating shaft 83; when the stirring drive mechanism 82 drives the stirring rotating shaft 83 to rotate, the transverse stirring blades 84 can fully stir and mix the granular construction waste in the mixing and stirring barrel 81, so that the granular construction waste and the cement auxiliary material provided by the auxiliary material filling device 9 are evenly mixed to form concrete, thereby improving the uniformity and quality stability of the mixed concrete; this design can effectively improve the mixing effect in the process of recycling construction waste, and improve the efficiency of resource utilization and product quality.

[0046] The stirring drive mechanism 82 is preferably a motor.

[0047] Furthermore, if Figure 2 As shown, the auxiliary material filling device 9 includes a cement storage mechanism 91 for containing cement powder, and a water tank 92 arranged below the cement storage mechanism 91. The cement storage mechanism 91 and the water tank 92 are respectively provided with a feed port 93 and a discharge port 94 connected to the mixing barrel 81.

[0048] The auxiliary material filling device 9 of the present application realizes the function of adding auxiliary materials such as cement powder and water into the mixing barrel 81 through the arrangement of the cement storage mechanism 91 and the water storage tank 92; the cement storage mechanism 91 is used to contain cement powder, and the water storage tank 92 is used to store water. The cement storage mechanism 91 and the water storage tank 92 respectively receive raw materials through the feed port 93, and transport the auxiliary materials to the mixing barrel 81 through the discharge port 94 connected to the mixing barrel 81; this design can accurately control the addition amount of cement powder and water according to actual needs, ensure that the construction waste and cement auxiliary materials after mixing can achieve the best ratio, thereby improving the strength and performance of the recycled concrete products; it can also realize the automated auxiliary material adding process, improve work efficiency, and reduce errors in manual operation.

[0049] Specifically, Figure 3 As shown, the present application also discloses a construction waste recycling treatment process, including a construction waste recycling treatment system, and further comprising the following steps: S1: Construction waste enters from the feeding device 2 and falls onto the horizontal conveying device 3; S2: The horizontal conveying device 3 conveys the construction waste to the first crushing device 4 for primary crushing; S3: The construction waste after primary crushing falls downward from the first crushing device 4 and passes through the airflow auxiliary sorting device 5, and the nozzle blowing mechanism 51 blows air in the direction facing the light waste collecting mechanism 52, so that the light waste in the construction waste is separated and enters the light waste collecting mechanism 52; S4: The construction waste falls from the airflow-assisted sorting device 5 to the electromagnetic adsorption sorting device 6, and the electromagnetic adsorption sorting device 6 separates the metal waste from the construction waste by magnetic attraction; S5: The construction waste separated by magnetic attraction falls from the electromagnetic adsorption sorting device 6 into the second crushing device 7, and the second crushing device 7 is used to perform secondary crushing on the construction waste to form aggregates; S6: The construction waste after secondary crushing falls into the mixing device 8, and the auxiliary material filling device 9 adds cement powder and water into the mixing device 8. The mixing device 8 mixes the aggregate, cement powder and water formed by the crushed construction waste to form concrete.

[0050] In the present application, construction waste enters the system through the feeding device 2 and is transported to the first crushing device 4 for primary crushing under the action of the horizontal conveying device 3; the airflow-assisted sorting device 5 uses the airflow generated by the nozzle blowing mechanism 51 to separate and collect light waste, and then the electromagnetic adsorption sorting device 6 separates the metal waste by magnetic attraction; the second crushing device 7 performs secondary crushing on the remaining construction waste to form aggregate; the mixing and stirring device 8 stirs the aggregate, cement powder and water to form concrete; this process can effectively separate and reuse useful components in construction waste, reduce resource waste, reduce environmental pollution, and realize efficient treatment and reuse of construction waste.

[0051] The implementation principle of a construction waste recycling treatment system and treatment process in the embodiment of the present application is as follows: A construction waste recycling and processing system, wherein the construction waste is received by a feeding device 2 at the upper end of a frame 1, and is transported to a first crushing device 4 for preliminary crushing by a horizontal conveying device 3; an airflow-assisted sorting device 5 generates an airflow through a nozzle blowing mechanism 51, separates light waste and collects it to a light waste collecting mechanism 52, thereby realizing preliminary sorting of the construction waste; an electromagnetic adsorption sorting device 6 is used to separate and collect metal waste, a second crushing device 7 further crushes the remaining construction waste, and a mixing and stirring device 8 mixes the crushed construction waste with cement auxiliary materials provided by an auxiliary material filling device 9 to form concrete, thereby realizing the recycling of construction waste; the application can effectively improve the resource utilization efficiency of construction waste, reduce environmental pollution, and reduce resource waste; The electromagnetic adsorption sorting device 6 is connected to the bearing of the frame 1 through the active driving roller 61 and the permanent magnetic roller 62 arranged horizontally with the active driving roller 61, so as to separate and collect the metal waste in the construction waste; the transmission belt 63 is sleeved on the outer wall of the active driving roller 61 and the permanent magnetic roller 62, and the active driving roller 61 is driven to rotate by the roller driving mechanism 66, thereby driving the transmission belt 63 and the permanent magnetic roller 62 to rotate synchronously; the material guiding scraper mechanism 64 is located above one side of the active driving roller 61, and is used to guide the construction waste to the transmission belt 63; the material guiding diversion mechanism 65 is located below one side of the permanent magnetic roller 62, and is used to guide the metal waste adsorbed on the permanent magnetic roller 62 to the metal waste collection mechanism 67; When the construction waste falls onto the transmission belt 63, the permanent magnetic roller 62 absorbs the metal waste in the construction waste. When the metal waste is transferred to the lower side along with the transmission belt 63 and separated from the permanent magnetic roller 62, the metal waste falls into the metal waste collection mechanism 67. This design can effectively separate the metal waste from the construction waste, realize the recycling and reuse of resources, and improve the sorting efficiency and resource utilization level of the construction waste recycling and treatment system. A construction waste recycling and processing process, construction waste enters the system through a feeding device 2, and is transported to a first crushing device 4 for primary crushing under the action of a horizontal conveying device 3; an airflow-assisted sorting device 5 uses an airflow generated by a nozzle blowing mechanism 51 to separate and collect light waste, and then an electromagnetic adsorption sorting device 6 separates metal waste by magnetic attraction; a second crushing device 7 performs secondary crushing on the remaining construction waste to form aggregate; a mixing and stirring device 8 stirs the aggregate, cement powder and water to form concrete; this process can effectively separate and reuse useful components in construction waste, reduce resource waste, reduce environmental pollution, and achieve efficient treatment and reuse of construction waste.

[0052] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A construction waste recycling and treatment system, characterized in that: The invention comprises a frame (1), a feeding device (2) arranged at the upper end of the frame (1) and used for feeding construction waste, a horizontal conveying device (3) connected to the frame (1) and located below the feeding device (2), a first crushing device (4) arranged below one end of the horizontal conveying device (3), an airflow-assisted sorting device (5) located below the first crushing device (4) and used for separating light waste from construction waste, an electromagnetic adsorption sorting device (6) arranged below the airflow-assisted sorting device (5) and used for separating metal waste from construction waste, a second crushing device (7) arranged below the electromagnetic adsorption sorting device (6), a mixing and stirring device (8) arranged below the second crushing device (7), and an auxiliary material filling device (9) connected to the mixing and stirring device (8); The airflow-assisted sorting device (5) comprises a nozzle blowing mechanism (51) arranged on one side of the outlet end below the first pulverizing device (4), and a light waste collecting mechanism (52) arranged on the other side of the outlet end below the first pulverizing device (4); when the construction waste falls downward from the first pulverizing device (4) and passes through the nozzle blowing mechanism (51), the nozzle blowing mechanism (51) blows air in a direction facing the light waste collecting mechanism (52), so that the light waste in the construction waste is separated and enters the light waste collecting mechanism (52).

2. A construction waste recycling and treatment system according to claim 1, characterized in that: The first crushing device (4) comprises a first roller crushing mechanism (41) whose two ends are respectively connected to the bearings of the frame (1), a crushing roller driving mechanism (42) arranged on the frame (1) and used for driving the first roller crushing mechanism (41) to rotate, a top-pressing crushing mechanism (43) located on one side of the first roller crushing mechanism (41) and used for moving toward or away from the first roller crushing mechanism (41), and a second roller crushing mechanism (44) arranged below the top-pressing crushing mechanism (43); A first crushing channel (45) for squeezing and crushing construction waste is provided between the top-pressing crushing mechanism (43) and the first roller crushing mechanism (41), and the top-pressing crushing mechanism (43) is used to cooperate with the first roller crushing mechanism (41) to clamp and crush the construction waste in the first crushing channel (45).

3. A construction waste recycling and treatment system according to claim 2, characterized in that: The top-pressing crushing mechanism (43) comprises a top-pressing clamping plate (431) located on one side of the first roller crushing mechanism (41) and having an upper end hinged to the frame (1), and a top-pressing driving mechanism (432) located on the other side of the top-pressing clamping plate (431) relative to the first roller crushing mechanism (41); The top-pressing driving mechanism (432) is used to drive the top-pressing clamping plate (431) to move toward or away from the first roller crushing mechanism (41), so that the top-pressing clamping plate (431) cooperates with the first roller crushing mechanism (41) to clamp and crush the construction waste in the first crushing channel (45).

4. A construction waste recycling and treatment system according to claim 2, characterized in that: The second roller crushing mechanism (44) comprises a first crushing roller (441) whose two ends are respectively connected to the frame (1) bearings, a second crushing roller (442) and a third crushing roller (443) arranged in parallel with the first crushing roller (441), and a roller driving assembly (444) arranged on the frame (1) and used to drive the first crushing roller (441), the second crushing roller (442) and the third crushing roller (443) to rotate respectively; a second crushing channel (445) for squeezing and crushing construction waste is provided between the first crushing roller (441) and the second crushing roller (442) and between the second crushing roller (442) and the third crushing roller (443).

5. A construction waste recycling and treatment system according to claim 1, characterized in that: The electromagnetic adsorption sorting device (6) comprises an active drive roller (61) connected to the bearing of the frame (1), a permanent magnet roller (62) arranged horizontally corresponding to the active drive roller (61), a transmission belt (63) sleeved on the outer side walls of the active drive roller (61) and the permanent magnet roller (62), a material guide scraper mechanism (64) arranged above one side of the active drive roller (61), a material guide diversion mechanism (65) arranged below one side of the permanent magnet roller (62), a roller drive mechanism (66) arranged on the frame (1) and used to drive the active drive roller (61) to rotate, and a metal waste collection mechanism (67) arranged below the transmission belt (63).

6. A construction waste recycling and treatment system according to claim 5, characterized in that: The material guide scraper mechanism (64) comprises a material guide scraper body (641) connected to the frame (1), a first inclined material guide slope (642) provided on the material guide scraper body (641) and located between the airflow auxiliary sorting device (5) and the electromagnetic adsorption sorting device (6), and a metal waste scraper plate (643) used to be closely attached to the outer side wall of the transmission belt (63).

7. A construction waste recycling and treatment system according to claim 5, characterized in that: The material guiding and diverting mechanism (65) comprises a material guiding and diverting body (651) connected to the frame (1), a metal waste guiding slope (652) provided on the material guiding and diverting body (651) and located at the open end of the metal waste collecting mechanism (67), and a second inclined material guiding slope (653) located between the electromagnetic adsorption sorting device (6) and the second crushing device (7).

8. The construction waste recycling and treatment system according to claim 1, characterized in that: The mixing and stirring device (8) comprises a mixing and stirring barrel (81) arranged below the second pulverizing device (7), a stirring drive mechanism (82) inserted into the mixing and stirring barrel (81) and fixedly connected to the bottom of the second pulverizing device (7), a stirring rotating shaft (83) fixedly connected to the output end of the stirring driving mechanism (82), and transverse stirring blades (84) arranged in an array along the length direction of the stirring rotating shaft (83).

9. A construction waste recycling and treatment system according to claim 8, characterized in that: The auxiliary material filling device (9) comprises a cement storage mechanism (91) for accommodating cement powder, and a water storage tank (92) arranged below the cement storage mechanism (91); the cement storage mechanism (91) and the water storage tank (92) are respectively provided with a feed port (93) and a discharge port (94) connected to the mixing and stirring barrel (81).

10. A construction waste recycling process, characterized in that: A construction waste recycling and treatment system comprising any one of claims 1 to 9, further comprising the following steps: S1: Construction waste enters from the feeding device (2) and falls onto the horizontal conveying device (3); S2: the horizontal conveying device (3) conveys the construction waste to the first crushing device (4) for primary crushing; S3: The construction waste that has undergone primary crushing falls downward from the first crushing device (4) and passes through the airflow-assisted sorting device (5), and the nozzle blowing mechanism (51) blows air in a direction facing the light waste collecting mechanism (52), so that the light waste in the construction waste is separated and enters the light waste collecting mechanism (52); S4: the construction waste falls from the airflow-assisted sorting device (5) onto the electromagnetic adsorption sorting device (6), and the electromagnetic adsorption sorting device (6) separates the metal waste from the construction waste by magnetic attraction; S5: the construction waste separated by magnetic attraction falls from the electromagnetic attraction sorting device (6) into the second crushing device (7), and the second crushing device (7) is used to perform secondary crushing on the construction waste to form aggregates; S6: The construction waste that has undergone secondary crushing falls into the mixing and stirring device (8), and the auxiliary material filling device (9) adds cement powder and water into the mixing and stirring device (8). The mixing and stirring device (8) stirs the aggregate, cement powder and water formed by the crushed construction waste to form concrete.

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