Brick-concrete construction waste screening treatment device and method

Abstract

The invention belongs to the field of brick-concrete construction waste recycling, and discloses a brick-concrete construction waste screening treatment device and method.The brick-concrete construction waste screening treatment device comprises a crushing mechanism, a conveying mechanism and a screening and collecting device; the crushing mechanism is arranged above the starting end of the conveying mechanism and is used for crushing the brick-concrete construction waste to be treated to form crushed brick-concrete construction waste; the conveying mechanism is horizontally arranged, and the screening and collecting device is arranged at the tail end of the conveying mechanism. The conveying mechanism is used for conveying the crushed brick-concrete construction waste into the screening and collecting device, and the screening and collecting device is used for screening and collecting the crushed brick-concrete construction waste according to different particle sizes; according to the brick-concrete construction waste recycling device, brick-concrete construction waste to be treated is crushed through the crushing mechanism and conveyed into the screening and collecting device through the conveying mechanism to be screened and collected according to different particle sizes, the functions of crushing, conveying, screening and collecting are integrated, the intermediate transfer time is shortened, resources are saved, and the brick-concrete construction waste recycling efficiency is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of recycling brick-concrete construction waste, and in particular relates to a device and method for screening and processing brick-concrete construction waste. Background Art

[0002] With the rapid development of infrastructure construction, accompanied by the demolition and construction of a large number of buildings, the scale of construction waste generated has increased dramatically. The generation of a large amount of construction waste has caused adverse effects such as occupying land, polluting the environment and affecting the city appearance. Among them, brick-concrete construction waste generally refers to the general term for slag, waste concrete, waste bricks and stones and other wastes generated during the demolition and construction of brick-concrete building structures. The resource utilization of brick-concrete construction waste can alleviate the shortage of natural sand and gravel resources and reduce the hazards of landfill.

[0003] Currently, the resource utilization process of brick-concrete construction waste typically involves crushing, screening, conveying, and collection. However, existing processing technologies and devices generally suffer from complex crushing and screening processes, making collection and classification difficult. Specifically, existing construction waste crushing devices are outdated, energy-intensive, and rely on manual labor; screening devices struggle with fine grading; and improperly designed conveyor belts and hoppers lead to blockages or uneven material discharge. Furthermore, the various modules in multifunctional devices often have poor coordination, such as low transmission efficiency between crushing and screening. Therefore, it is crucial to develop an integrated system for construction waste crushing, screening, conveying, and collection that can achieve multi-level classification. Summary of the Invention

[0004] In response to the technical problems existing in the prior art, the present invention provides a device and method for screening and processing brick-concrete construction waste to solve the technical problems commonly found in the existing brick-concrete construction waste processing technologies and devices, such as complicated crushing and screening processes and difficulty in collection and classification.

[0005] In order to achieve the above object, the technical solution adopted by the present invention is: The present invention provides a device for screening and processing brick-concrete construction waste, comprising a crushing mechanism, a conveying mechanism and a screening and collecting device; The crushing mechanism is arranged above the starting end of the conveying mechanism and is used to crush the brick-concrete construction waste to be processed to form crushed brick-concrete construction waste; The conveying mechanism is arranged horizontally, and the screening and collecting device is arranged at the tail end of the conveying mechanism; the conveying mechanism is used to transport the crushed brick-concrete construction waste to the screening and collecting device, and the screening and collecting device is used to screen and collect the crushed brick-concrete construction waste according to different particle sizes.

[0006] Furthermore, the crushing mechanism includes a crushing box, a primary crushing tooth roller and a secondary crushing tooth roller; The crushing box is a hollow box structure, with a feed port at the top and a discharge port at the bottom; wherein the discharge port is located directly above the starting end of the conveying mechanism; The inner cavity of the crushing box is provided with a primary crushing area and a secondary crushing area in sequence from top to bottom; the primary crushing tooth roller is symmetrically arranged in the primary crushing area, and the secondary crushing tooth roller is symmetrically arranged in the secondary crushing area.

[0007] Furthermore, the crushing mechanism also includes an inner inclined plate and a material guide inclined plate; The inclined plate in the box is obliquely arranged at the boundary between the primary crushing area and the secondary crusher area; the material guide inclined plate is obliquely arranged between the discharge port of the crushing box and the starting end side of the conveying mechanism.

[0008] Furthermore, the conveying mechanism includes a conveyor belt and a temporary collection box; The conveyor belt is horizontally arranged below the crushing mechanism, and the temporary collecting box is arranged at the tail end of the conveyor belt; wherein, a collection port is provided at the top of the temporary collecting box, and a collection box outlet is provided on the side wall of the temporary collecting box; the collection box outlet is located on the top side of the screening and collecting device, and a collection box outlet baffle is detachably installed at the collection box outlet.

[0009] Furthermore, the screening and collecting device includes a screening box, several levels of vibrating screens, several levels of material slides and a material collection drawer; The screening box is vertically arranged at the tail end of the conveying mechanism, and the screening box is a hollow box structure; a plurality of levels of vibrating screens are sequentially arranged in the screening box from top to bottom; The side wall of the screening box is provided with a plurality of material outlets from top to bottom, and the plurality of material outlets are respectively arranged on the upper surface side of the plurality of vibrating screens, and a material outlet baffle is detachably installed at each material outlet; Several levels of material slides are tiltedly arranged on the sides of the screening box, and the tops of several levels of material slides are respectively connected to several levels of material outlets; the material collection drawer is pulled out and arranged at the bottom end of the screening box and placed below the lowest level of vibrating screen.

[0010] Furthermore, the several levels of vibrating screens include a first-level screen, a second-level screen and a third-level screen, which are spaced apart from top to bottom; the screening aperture of the first-level screen is 20 mm, the screening aperture of the second-level screen is 10 mm, and the screening aperture of the third-level screen is 5 mm.

[0011] Furthermore, the bottom end of the material outlet is flush with the upper surface of the corresponding vibrating screen.

[0012] Furthermore, the screening and collecting device also includes a plurality of material collecting bags; the plurality of material collecting bags are respectively arranged at the bottom ends of the plurality of material slides, and are respectively used to collect brick-concrete construction waste of different particle sizes.

[0013] The present invention also provides a method for screening and processing brick-concrete construction waste, using the brick-concrete construction waste screening and processing device; The brick-concrete construction waste screening and processing method comprises: The brick-concrete construction waste to be processed is added into the crushing mechanism, and the crushing mechanism is used to crush the brick-concrete construction waste to form crushed brick-concrete construction waste; then, the crushed brick-concrete construction waste falls from the crushing mechanism to the starting end of the conveying mechanism, and is transported to the screening and collecting device by the conveying mechanism; thereafter, the screening and collecting device is used to screen and collect the crushed brick-concrete construction waste according to different particle sizes.

[0014] Furthermore, the particle size of the crushed brick-concrete construction waste is 0-40 mm.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The brick-concrete construction waste screening and processing device and method provided by the present invention crush the brick-concrete construction waste to be processed by a crushing mechanism, and use a conveying mechanism to convey the crushed brick-concrete construction waste to a screening and collecting device for screening and collection according to different particle sizes, thereby realizing the crushing, conveying, screening and collecting functions in one, significantly reducing the intermediate transportation time, improving the efficiency of brick-concrete construction waste recycling, and effectively saving resources; specifically, the crushing mechanism is arranged above the starting end of the conveying mechanism, which can directly crush the brick-concrete construction waste to be processed to form crushed materials, providing raw materials of suitable particle size for subsequent processing, helping to improve the smoothness and efficiency of the entire processing flow, and a reasonable layout may reduce dependence on manpower and reduce energy consumption; the screening and collecting device is arranged at the tail end of the conveying mechanism, which can screen and collect the crushed brick-concrete construction waste conveyed according to different particle sizes, thereby realizing more refined classification processing, meeting the requirements of construction waste particle size for different uses, and improving the value of resource utilization. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0017] Figure 1A schematic structural diagram of a device for screening and processing brick-concrete construction waste provided in an embodiment; Figure 2 A cross-sectional view of a device for screening and processing brick-concrete construction waste provided in an embodiment; Figure 3 is a cross-sectional view of the crushing mechanism in the embodiment; Figure 4 A top view of the connection between the crushing mechanism and the conveying mechanism in the embodiment; Figure 5 Schematic diagram of the structure of the conveying mechanism and the screening and collecting device in the embodiment; Figure 6 This is a structural diagram of a temporary collection box in an embodiment; Figure 7 Schematic diagram of the structure of the screening and collecting device in the embodiment.

[0018] Among them, 1 crushing mechanism, 2 conveying mechanism, 3 screening and collecting device; 101 crushing box, 102 first-level crushing tooth roller, 103 second-level crushing tooth roller, 104 crushing motor, 105 motor support frame, 106 crushing box legs; 107 box side panels, 108 box cover, 109 box bottom inclined plate, 110 box bottom horizontal plate; 111 box inner inclined plate, 112 material guide inclined plate; 113 feed inlet baffle; 201 conveyor belt, 202 conveyor belt legs, 203 temporary collection box; 204 collection box outlet baffle; 301 screening box, 302 first-level screen, 303 second-level screen, 304 third-level screen, 305 screen drive motor, 306 first-level material slide, 307 second-level material slide, 308 third-level material slide, 309 material collection drawer; 310 material outlet baffle. DETAILED DESCRIPTION

[0019] In order to make the technical problems, technical solutions, and beneficial effects solved by this application more clearly understood, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of this application; it is obvious that the described embodiments are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of this application.

[0020] The application provides a brick-concrete building waste screening treatment device, which comprises a crushing mechanism 1, a conveying mechanism 2 and a screening and collecting device 3.

[0021] The brick-concrete building waste screening treatment device provided by the application solves the problems of complicated crushing and screening, difficult collection and classification, backward crushing device, high energy consumption, dependence on manual operation, difficult fine classification, easy blocking and uneven conveying of the conveying mechanism and poor coordination of modules in the existing brick-concrete building waste resource utilization.

[0022] The brick-concrete building waste screening treatment device provided by the application solves the problems of complicated crushing and screening, difficult collection and classification, backward crushing device, high energy consumption, dependence on manual operation, difficult fine classification, easy blocking and uneven conveying of the conveying mechanism and poor coordination of modules in the existing brick-concrete building waste resource utilization. Embodiment As shown in the accompanying drawings, Figure 1-7 The application provides a brick-concrete building waste screening treatment device, which comprises a crushing mechanism 1, a conveying mechanism 2 and a screening and collecting device 3.

[0023] The crushing mechanism 1 is used for crushing the brick-concrete building waste to be treated to form crushed brick-concrete building waste; preferably, the particle size of the crushed brick-concrete building waste is 0-40 mm; the conveying mechanism 2 is used for conveying the crushed brick-concrete building waste to the screening and collecting device 3; and the screening and collecting device 3 is used for screening and collecting the crushed brick-concrete building waste according to the particle size.

[0024] As shown in the accompanying drawings, Figure 1-4 The crushing mechanism 1 comprises a crushing box 101, a primary crushing toothed roller 102, a secondary crushing toothed roller 103, a crushing motor 104, a motor support frame 105, a crushing box support leg 106, an inner box inclined plate 111 and a material guiding inclined plate 112.

[0025] The crushing box 101 is fixed on the ground or a pre-set workbench by the crushing box leg 106, and the crushing box 101 is a hollow box structure; wherein the top end of the crushing box 101 is provided with an inlet, and the bottom end of the crushing box 101 is provided with an outlet, and the outlet is located directly above the starting end of the conveying mechanism 2.

[0026] Specifically, the crushing box 101 includes four box side plates 107, a box top cover 108 and a box bottom plate; the four box side plates 107, the box top cover 108 and the box bottom plate form a hollow box structure, which is the crushing box 101; the inlet is arranged at the center of the box top cover 108, and the inlet is provided with an inlet baffle 113; wherein the inlet baffle 113 is rotatably connected with the box top cover 108; The box bottom plate includes two box bottom inclined plates 109 and a box bottom horizontal plate 110, and the two box bottom inclined plates 109 are symmetrically arranged; the box bottom horizontal plate 110 is horizontally arranged between the two box bottom inclined plates 109; wherein one end of the box bottom inclined plate 109 is connected with the bottom end of the box side plate 107 on both sides, and the other end of the box bottom inclined plate 109 extends towards the bottom center of the crushing box 101 and is connected with the side edge of the box bottom horizontal plate 110; the end of the box bottom horizontal plate 110 is connected with the bottom end of the box side plate 107 at both ends, and the outlet is arranged at the center of the box bottom horizontal plate 110.

[0027] The inner cavity of the crushing box 101 is sequentially provided with a primary crushing area and a secondary crushing area from top to bottom, the upper end of the primary crushing area is communicated with the inlet, the lower end of the primary crushing area is communicated with the upper end of the secondary crushing area, and the lower end of the secondary crushing area is communicated with the outlet; that is, the area from the inlet to the outlet in the crushing box 101 is sequentially divided into a primary crushing area and a secondary crushing area from top to bottom; the primary crushing tooth roller 102 is symmetrically arranged in the primary crushing area for rough crushing of the brick and concrete construction waste to be treated to obtain the rough crushed brick and concrete construction waste; the secondary crushing tooth roller 103 is symmetrically arranged in the secondary crushing area for secondary crushing of the rough crushed brick and concrete construction waste to form the crushed brick and concrete construction waste with a particle size of 0-40mm; the crushing motor 104 is installed outside the box side plate 107 through the motor support frame 105, and the crushing motor 104 is used to provide power for the primary crushing tooth roller 102 and the secondary crushing tooth roller 103.

[0028] The inclined plate 111 in the box is obliquely arranged at the boundary between the primary crushing zone and the secondary crushing zone, that is, the inclined plate 111 in the box is obliquely arranged between the primary crushing tooth roller 102 and the secondary crushing tooth roller 103; wherein, the inclined plate 111 in the box is used to guide the coarsely crushed brick-concrete construction waste in the primary crushing zone to the central area of ​​the secondary crushing zone; the upper end of the inclined plate 111 in the box is connected to the inner wall of the box side plate 107 located on both sides, and the lower end of the inclined plate 111 in the box extends obliquely downward toward the center line direction of the crushing box 101.

[0029] The material guide inclined plate 112 is obliquely arranged between the discharge port of the crushing box 101 and the side of the starting end of the conveying mechanism 2, and the material guide inclined plate 112 is used to guide the crushed brick-concrete construction waste to the top of the starting end of the conveying mechanism 2; wherein, the upper end of the material guide inclined plate 112 is connected to the edge of the discharge port, and the lower end of the material guide inclined plate 112 extends downwardly and obliquely toward both sides of the conveying mechanism 2, and the lower end of the material guide inclined plate 112 is welded to the side of the conveyor belt 201 in the conveying mechanism 2.

[0030] As attached Figure 1-2 , 4-6, the conveying mechanism 2 includes a conveyor belt 201, a conveyor belt leg 202 and a temporary collection box 203; the conveyor belt 201 is horizontally arranged below the crushing mechanism 1, and the temporary collection box 203 is arranged at the tail end of the conveyor belt 201; specifically, the conveyor belt leg 202 is fixed to the bottom surface or a preset work surface, and the conveyor belt 201 is horizontally installed on the top of the conveyor belt leg 202; wherein, the starting end of the conveyor belt 201 is located below the discharge port of the crushing box 101, and the lower end of the guide inclined plate 112 is welded and fixed to the side of the conveyor belt 201; The temporary collection box 203 is fixedly installed at the tail end of the conveyor belt 201, and the temporary collection box 203 is used to temporarily store the crushed brick-concrete construction waste transported by the conveyor belt 201; the temporary collection box 203 is a hollow box structure; wherein, the top of the temporary collection box 203 is provided with a collection opening, the height of the collection opening is lower than the height of the top surface of the tail end of the conveyor belt 201, so that the crushed brick-concrete construction waste transported on the conveyor belt 201 can fall into the temporary collection box 203 for temporary storage; the side wall of the temporary collection box 203 is provided with a collection box outlet, and the collection box outlet is located at The top side of the screening and collecting device 3; wherein, a collection box outlet baffle 204 is detachably installed at the collection box outlet, and the crushed brick-concrete construction waste temporarily stored in the temporary collection box 203 can be made to fall into the screening box 301 of the screening and collecting device 3 by removing or opening the collection box outlet baffle 204; preferably, the bottom plate of the temporary collection box 203 is tilted, and the lower end of the bottom plate of the temporary collection box 203 is located at the collection box outlet, so that the crushed brick-concrete construction waste temporarily stored in the temporary collection box 203 falls into the screening box 301 of the screening and collecting device 3 under the action of gravity.

[0031] As attached Figure 1-2 As shown in Figures 5 and 7, the screening and collecting device 3 includes a screening box 301, several levels of vibrating screens, a screen drive motor 305, several levels of material slides, a material collection drawer 309 and several material collection bags.

[0032] The screening box 301 is vertically arranged at the tail end of the conveying mechanism 2, and the screening box 301 is a hollow box structure; specifically, the screening box 301 is vertically fixed to the side panel of the conveyor belt support leg 202, and is located at the front end of the collection box outlet of the temporary collection box 203; wherein, the upper end opening of the screening box 301 is located at the lower side panel of the collection box outlet to ensure that the crushed brick-concrete construction waste temporarily stored in the temporary collection box 203 can accurately fall into the screening box 301.

[0033] Several levels of vibrating screens are arranged in sequence from top to bottom in the screening box 301, and the screening apertures of several levels of vibrating screens decrease from top to bottom; the screen drive motor 305 is installed below the temporary collection box 203, for providing vibration power to several levels of vibrating screens; preferably, several levels of vibrating screens include a first-level screen 302, a second-level screen 303 and a third-level screen 304 arranged in sequence from top to bottom; the screening aperture of the first-level screen 302 is 20 mm, the screening aperture of the second-level screen 303 is 10 mm, and the screening aperture of the third-level screen 304 is 5 mm.

[0034] The side walls of the screening box 301 are provided with several levels of material outlets from top to bottom, and the several levels of material outlets are respectively arranged on the side of the upper surfaces of the several vibrating screens, and a material outlet baffle 310 is detachably installed at each material outlet; preferably, the bottom end of the material outlet is flush with the upper surface of the corresponding vibrating screen, so that the brick-concrete construction waste on the vibrating screen can flow out from the material outlet.

[0035] Specifically, the several levels of material outlets include a first-level material outlet, a second-level material outlet and a third-level material outlet on the side wall of the screening box 301 from top to bottom; the first-level material outlet is located on the side of the first-level screen 302, and the bottom end of the first-level material outlet is flush with the upper surface of the first-level screen 302; the second-level material outlet is located on the side of the second-level screen 303, and the bottom end of the second-level material outlet is flush with the upper surface of the second-level screen 303; the third-level material outlet is located on the side of the third-level screen 304, and the bottom end of the third-level material outlet is flush with the upper surface of the third-level screen 304.

[0036] Several levels of material slides are obliquely arranged on the sides of the screening box 301, and the top ends of the several levels of material slides are respectively connected to the corresponding several levels of material outlets; specifically, the several levels of material slides include a first-level material slide 306, a second-level material slide 307 and a third-level material slide 308; the top end of the first-level material slide 306 is connected to the first-level material outlet, the top end of the second-level material slide 307 is connected to the second-level material outlet, and the top end of the third-level material slide 308 is connected to the third-level material outlet; several material collection bags are respectively arranged at the bottom ends of the several levels of material slides, and are respectively used to collect brick-concrete construction waste of different particle sizes; that is, the bottom ends of the first-level material slide 306, the second-level material slide 307 and the third-level material slide 308 are respectively provided with a material collection bag.

[0037] The material collection drawer 309 is pull-out arranged at the bottom end of the screening box 301 and is placed below the lowest level of vibrating screen; specifically, a pull-out outlet is opened on the side wall of the screening box 301, and the material collection drawer 309 is placed at the bottom of the inner cavity of the screening box body 301 through the pull-out outlet and is placed below the third level screen 303; preferably, a pull-out handle is provided on the side wall of the material collection drawer 309.

[0038] Working principle and screening treatment method: The brick-concrete construction waste screening and processing device described in this embodiment, when working, first adds the brick-concrete construction waste to be processed into the crushing mechanism 1, and uses the crushing mechanism 1 to crush the brick-concrete construction waste to be processed to form crushed brick-concrete construction waste; then, the crushed brick-concrete construction waste falls from the crushing mechanism 1 to the starting end of the conveying mechanism 2, and is transported to the screening and collecting device 3 by the conveying mechanism 2; thereafter, the screening and collecting device 3 is used to screen and collect the crushed brick-concrete construction waste according to different particle sizes.

[0039] Specifically, the screening process is as follows: Open the feed inlet baffle 113, and put the brick-concrete construction waste to be processed into the crushing box 101; turn on the crushing motor 104, and start using the first-level crushing tooth roller 102 to perform coarse crushing on the brick-concrete construction waste to be processed, forming coarsely crushed brick-concrete construction waste; then, under the guidance of the inclined plate 111 in the box, the coarsely crushed brick-concrete construction waste enters the secondary crushing area, and starts using the second-level crushing tooth roller 103 to perform secondary crushing on the coarsely crushed brick-concrete construction waste, obtaining crushed brick-concrete construction waste with a particle size of 0-40mm.

[0040] Then, under the action of gravity, the crushed brick-concrete construction waste naturally slides onto the conveyor belt 201 through the coordinated action of the box bottom inclined plate 109, the box bottom horizontal plate 110 and the primary guide inclined plate 112; thereafter, it is transported to the temporary collection box 203 for temporary storage via the conveyor belt 201.

[0041] Next, the collection box outlet baffle 204 is opened to allow the crushed brick-concrete construction waste to fall into the screening box 301; then, under the action of the screen drive motor 305, the crushed brick-concrete construction waste is screened step by step using the first-stage screen 302, the second-stage screen 303 and the third-stage screen 304 to screen out brick-concrete construction waste of different particle sizes.

[0042] After the screening is completed, the material outlet baffle 310 at each material outlet is opened to allow the converted construction waste of different particle sizes to enter different material collection bags through the first material slide 306, the second material slide 307 and the third material slide 308 for collection, so as to significantly improve the screening and collection efficiency; among them, the brick-concrete construction waste with a particle size of 20-40 mm screened by the first-stage screen 302 passes through the first-stage material outlet and enters the material collection bag at the bottom of the first material slide 306 through the first material slide 306; the brick-concrete construction waste with a particle size of 10-20 mm screened by the second-stage screen 303 passes through the second-stage material outlet and enters the material collection bag at the bottom of the first material slide 306 through the second material slide 307. The second material slide 307 is placed in the material collection bag at the bottom of the second material slide; the brick-concrete construction waste with a particle size of 5-10 mm screened by the third-level screen 304 passes through the third-level material outlet and enters the material collection bag at the bottom of the third material slide 308 through the third material slide 308; the brick-concrete construction waste with a particle size less than 5 mm passes through the third-level screen 304 and falls into the material collection drawer 309 for collection; it should be noted that the material collection drawer 309 is designed as a drawer-type structure, which can be directly pulled out from the screening box 301 through the drawer handle provided thereon, and the brick-concrete construction waste with a particle size less than 5 mm is poured into the preset storage container, which greatly improves the convenience and purity of fine material collection.

[0043] Finally, after collecting materials of different particle sizes, the next batch of brick-concrete construction waste is put into recycling treatment.

[0044] In this embodiment, a first-level crushing tooth roller 102 and a second-level crushing tooth roller 103 are arranged in the crushing box 101, so that the crushing mechanism 1 can adapt to brick-concrete construction waste of different hardness and size; by arranging several levels of vibrating screens in the screening box 301, construction waste of different particle sizes can be screened out at the same time to meet different building material recycling purposes; the crushing and collection device can simultaneously realize the four major functions of crushing, screening, conveying and collecting, reduce intermediate transportation time, and avoid resource waste and inefficiency caused by the collaboration of multiple devices; among them, high-purity output materials and finely divided recycled aggregates can be directly used for roadbed and concrete preparation, reducing the consumption of primary resources; the device is reasonably designed and easy to operate, which reduces the construction difficulty and labor cost; reduces landfill and mining of primary resources, reduces carbon emissions, and meets the basic requirements of a circular economy.

[0045] The brick-concrete construction waste screening and processing device described in the present invention realizes the integrated processing of crushing, screening, conveying and collecting brick-concrete construction waste by arranging a crushing mechanism, a conveying mechanism and a screening and collecting device; wherein, the crushing mechanism adopts primary and secondary crushing tooth rollers, which can efficiently crush the garbage to a suitable particle size; the conveying mechanism is arranged horizontally, and cooperates with the guide inclined plate and the temporary collection box to ensure stable transportation and temporary storage of materials; the screening and collecting device utilizes a multi-stage vibrating screen, which can finely screen the crushed garbage according to particle size, and realizes convenient collection through material slides, collection bags, and drawer-type material collection drawers, effectively solving the problems of complicated crushing and screening processes, difficult collection and classification, and low transmission efficiency in the prior art, and significantly improving the processing efficiency and resource utilization level.

[0046] The above embodiment is only one of the implementation methods that can realize the technical solution of the present invention. The scope of protection claimed by the present invention is not limited only to this embodiment, but also includes changes, replacements and other implementation methods that can be easily thought of by any technician familiar with this technical field within the technical scope disclosed by the present invention.

Claims

1. A brick-concrete construction waste screening and processing device, characterized in that: It comprises a crushing mechanism (1), a conveying mechanism (2) and a screening and collecting device (3); The crushing mechanism (1) is arranged above the starting end of the conveying mechanism (2) and is used to crush the brick-concrete construction waste to be processed to form crushed brick-concrete construction waste; The conveying mechanism (2) is arranged horizontally, and the screening and collecting device (3) is arranged at the tail end of the conveying mechanism (2); the conveying mechanism (2) is used to transport the crushed brick-concrete construction waste to the screening and collecting device (3), and the screening and collecting device (3) is used to screen and collect the crushed brick-concrete construction waste according to different particle sizes.

2. The device for screening and processing brick-concrete construction waste according to claim 1, characterized in that: The crushing mechanism (1) comprises a crushing box (101), a first-stage crushing tooth roller (102), and a second-stage crushing tooth roller (103); The crushing box (101) is a hollow box structure, a feed port is provided at the top end of the crushing box (101), and a discharge port is provided at the bottom end of the crushing box (101); wherein the discharge port is located directly above the starting end of the conveying mechanism (2); The inner cavity of the crushing box (101) is provided with a primary crushing zone and a secondary crushing zone in sequence from top to bottom; the primary crushing tooth roller (102) is symmetrically arranged in the primary crushing zone, and the secondary crushing tooth roller (103) is symmetrically arranged in the secondary crushing zone.

3. The device for screening and processing brick-concrete construction waste according to claim 2, characterized in that: The crushing mechanism (1) further includes an inner inclined plate (111) and a material guide inclined plate (112); The inclined plate (111) in the box is arranged obliquely at the boundary between the primary crushing area and the secondary crusher area; the material guide inclined plate (112) is arranged obliquely between the discharge port of the crushing box (101) and the starting end side of the conveying mechanism (2).

4. The device for screening and processing brick-concrete construction waste according to claim 1, characterized in that: The conveying mechanism (2) comprises a conveyor belt (201) and a temporary collection box (203); The conveyor belt (201) is horizontally arranged below the crushing mechanism (1), and the temporary collection box (203) is arranged at the tail end of the conveyor belt (201); wherein, a material collection opening is arranged at the top end of the temporary collection box (203), and a collection box outlet is opened on the side wall of the temporary collection box (203); the collection box outlet is located on the side edge of the top end of the screening and collecting device (3), and a collection box outlet baffle (204) is detachably installed at the collection box outlet.

5. The device for screening and processing brick-concrete construction waste according to claim 1, characterized in that: The screening and collecting device (3) comprises a screening box (301), several levels of vibrating screens, several levels of material slides, and a material collecting drawer (309); The screening box (301) is vertically arranged at the tail end of the conveying mechanism (2), and the screening box (301) is a hollow box structure; a plurality of levels of the vibrating screens are sequentially arranged in the screening box (301) from top to bottom; The side wall of the screening box (301) is provided with a plurality of material outlets in sequence from top to bottom, and the plurality of material outlets are respectively arranged on the sides of the upper surfaces of the plurality of vibrating screens, and a material outlet baffle (310) is detachably installed at each material outlet. Several levels of material slides are tiltedly arranged on the sides of the screening box (301), and the tops of the several levels of material slides are respectively connected to the several levels of material outlets; the material collection drawer (309) is drawably arranged at the bottom end of the screening box (301) and is placed below the lowest level of the vibrating screen.

6. The device for screening and processing brick-concrete construction waste according to claim 5, characterized in that: The plurality of vibrating screens include a first-stage screen (302), a second-stage screen (303), and a third-stage screen (304) that are sequentially spaced from top to bottom; the first-stage screen (302) has a screening aperture of 20 mm, the second-stage screen (303) has a screening aperture of 10 mm, and the third-stage screen (304) has a screening aperture of 5 mm.

7. The device for screening and processing brick-concrete construction waste according to claim 5, characterized in that: The bottom end of the material outlet is flush with the upper surface of the corresponding vibrating screen.

8. The device for screening and processing brick-concrete construction waste according to claim 5, characterized in that: The screening and collecting device (3) further comprises a plurality of material collecting bags; the plurality of material collecting bags are respectively arranged at the bottom ends of the plurality of material slide plates and are respectively used to collect brick-concrete construction waste of different particle sizes.

9. A method for screening and treating brick-concrete construction waste, characterized in that: Utilize the brick-concrete construction waste screening and processing device according to any one of claims 1 to 8; The brick-concrete construction waste screening and processing method comprises: The brick-concrete construction waste to be processed is added to the crushing mechanism (1), and the crushing mechanism (1) is used to crush the brick-concrete construction waste to form crushed brick-concrete construction waste; then, the crushed brick-concrete construction waste falls from the crushing mechanism (1) to the starting end of the conveying mechanism (2), and is transported to the screening and collecting device (3) by the conveying mechanism (2); thereafter, the crushed brick-concrete construction waste is screened and collected by the screening and collecting device (3) according to different particle sizes.

10. A method for screening and processing brick-concrete construction waste according to claim 9, characterized in that: The particle size of the crushed brick-concrete construction waste is 0-40mm.

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