Construction waste intelligent sorting system and sorting method

Abstract

The application provides a kind of construction waste intelligent sorting system and sorting method, belong to construction waste sorting technical field, the system includes feeding machine, spiral screen, conveying belt one, conveying belt two, conveying belt three, inclined sorting conveying belt, electromagnetic iron remover, bounce screen, conveying belt four, conveying belt five, stick screen, conveying belt six, conveying belt seven, conveying belt eight, flip-flop screen, conveying belt nine, conveying belt ten, magnetic substance collection area, light material collection area, visual auxiliary sorting room, broken transfer area, finished product collection area and control device;In the application, through the combination of multi-stage screening and intelligent sorting, efficient and accurate sorting of construction waste is realized, ensuring high purity of concrete and bricks entering the crusher, significantly improving sorting efficiency and reducing labor costs.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of construction waste sorting, in particular to a construction waste intelligent sorting system and a sorting method. BACKGROUND

[0002] At present, construction waste sorting generally needs to screen out wood, metal, plastic and light objects, and the remaining concrete blocks and bricks enter the crusher for crushing to facilitate secondary use. Among them, the sorting technology mainly includes manual sorting and mechanical sorting. Manual sorting is low in efficiency, high in cost and has safety hazards; the traditional mechanical sorting has limited sorting precision for complex components, especially cannot accurately screen out concrete blocks and bricks. SUMMARY

[0003] The present application relates to the technical field of construction waste sorting, in particular to a construction waste intelligent sorting system and a sorting method.

[0004] The technical scheme adopted by the present application is as follows: in the first aspect, the present application provides a construction waste intelligent sorting system, which comprises a feeding machine, a spiral screen, a conveying belt I, a conveying belt II, a conveying belt III, an inclined sorting conveying belt, an electromagnetic iron remover, a bounce screen, a conveying belt IV, a conveying belt V, a rod screen, a conveying belt VI, a conveying belt VII, a conveying belt VIII, a flip-flow screen, a conveying belt IX, a conveying belt X, a magnetic material collection area, a light material collection area, a visual auxiliary sorting room, a crushing transfer area, a finished product collection area and a control device;

[0005] The construction waste is conveyed to the spiral screen through the feeding machine, the spiral screen sorts out small material A, light material A and heavy material A, the electromagnetic iron remover adsorbs and transfers the magnetic material in the small material A conveyed along the conveying belt I to the magnetic material collection area, the light material A is conveyed to the inclined sorting conveying belt through the conveying belt II, and then is conveyed to the light material collection area through the inclined sorting conveying belt, and the heavy material A is conveyed to the bounce screen through the conveying belt III, and sorts out light material B, heavy material C and small material B, the light material B is conveyed to the light material collection area through the conveying belt IV;

[0006] The small material A is conveyed to the rod screen through the conveying belt I, the rod screen comprises an upper screen, a lower screen and a reverse air blower, the upper screen screens out fine material A and conveys it to the conveying belt V through the conveying belt VI, the lower screen screens out fine material B and conveys it to the finished product collection area through the conveying belt VII, and the reverse air blower blows the light material C in the fine material A to fall onto the conveying belt VIII, and the fine material C is conveyed to the flip-flow screen through the conveying belt VIII, and the flip-flow screen sorts out coarse material A and fine material C, the coarse material A is conveyed to the light material collection area through the conveying belt IX, and the fine material C is conveyed to the conveying belt V through the conveying belt X;

[0007] The heavy substance C, the small substance B, the fine material A and the fine material C are conveyed to the visual auxiliary sorting room through the conveying belt five, and plastic garbage, wood garbage and to-be-crushed substances are sorted out. The to-be-crushed substances are conveyed to the crushing transfer area through the conveying belt five.

[0008] In some embodiments, one end of the inclined sorting conveying belt is located above the conveying belt three and below the outlet end of the conveying belt two. The light substance A is discharged along the inclined sorting conveying belt to the light substance collection area, and the heavy substance B mixed in the light substance A falls to the conveying belt three.

[0009] In some embodiments, a negative pressure fan is further included, which sucks up the fine particle light substance in the fine material C on the conveying belt ten and discharges it to the light substance collection area.

[0010] In some embodiments, a foam fan is further included. The fine material B passes through the foam fan through the conveying belt seven, and the foam particles are blown to the foam collection area.

[0011] In some embodiments, the visual auxiliary sorting room includes a first visual detector, a manual sorting position, a marking conveying belt and a plurality of marking light modules. The marking conveying belt and the conveying belt five are synchronous in speed. The manual sorting position includes a manual area, a wood collection area and a plastic collection area. The first visual detector is used for visually identifying plastic garbage and wood garbage on the conveying belt five. The marking light modules are used for marking the identified plastic garbage and wood garbage.

[0012] In some embodiments, a second visual detector is further included, which is used for verifying the identification result of the first visual detector.

[0013] In a second aspect, the application provides a sorting method applied to the building garbage intelligent sorting system, including the following steps:

[0014] Step S1: Based on the sorting range of the sorter, the first visual detector acquires a first visual detection area of the same area on the conveying belt five;

[0015] Step S2: The first visual detector identifies plastic garbage and wood garbage in the first visual detection area and generates corresponding first position points;

[0016] Step S3: The first position points are marked by the marking light modules. The marking light modules emit light of the first color to mark the plastic garbage and emit light of the second color to mark the wood garbage;

[0017] Step S4: The speed of the marking conveying belt and the conveying belt five is controlled to be synchronous, so that the light and the corresponding first position points move synchronously;

[0018] Step S5: The sorter quickly locates the plastic garbage and wood garbage based on the light and puts them into the corresponding collection area.

[0019] In some embodiments, the following steps are included:

[0020] The second visual detector acquires a second visual detection area of the same area as the first visual detection area on the conveying belt five;

[0021] Based on the first position point, the second visual detector verifies the identification result of the first visual detector;

[0022] If the identification results are the same, the original light marking is maintained;

[0023] If the identification results are different, the marking light module emits light of a third color to mark the first position point.

[0024] In some embodiments, the following steps are included:

[0025] The second visual detector identifies the area other than the first position point in the second visual detection area, and if plastic garbage and wood garbage are identified, corresponding second position points are generated, and the marking light module emits light of a fourth color for marking.

[0026] In some embodiments, an artificial verification position is provided, the first color is blue, which marks the plastic garbage, the second color is green, which marks the wood garbage, the third color is red, which marks the first position point with different identification results, and the fourth color is yellow, which marks the second position point, the sorter sorts the substances at the blue light source and green light source positions, and the artificial verification position sorts the substances at the yellow light source and red light source positions.

[0027] The beneficial effects of the present application are as follows: In the present application, the combination of multi-stage screening and intelligent sorting realizes efficient and accurate sorting of construction waste. Among them, the spiral screen preliminarily separates light substances (plastic, wood, foam, paper) and heavy substances (concrete, bricks and tiles), the electromagnetic iron remover automatically recycles metal, the bounce screen and the bar screen further screen fine particles, combined with the reverse blower and the flip-flow screen to remove residual light impurities, and finally the visual auxiliary sorting room accurately identifies plastic, wood and other foreign substances, ensuring that the concrete and bricks and tiles entering the crusher are pure, significantly improving the sorting efficiency and reducing the labor cost. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings obtained according to these drawings without creative labor are still within the scope of the present application.

[0029] Figure 1 It is a schematic diagram of the intelligent sorting system for construction waste in the present application.

[0030] Figure 2 It is a schematic diagram of the bar screen in the present application.

[0031] Figure 3 It is a schematic diagram of the screening plate of the bar screen in the present application.

[0032] Figure 4 It is a schematic diagram of the visual auxiliary sorting room in the present application Figure 1 .

[0033] Figure 5 It is a schematic diagram of the visual auxiliary sorting room in the present application Figure 2 .

[0034] Figure 6 It is a flow chart of the sorting method of the intelligent sorting system for construction waste in the present application.

[0035] Figure 7 It is a logic diagram of the sorting method of the intelligent sorting system for construction waste in the present application. DETAILED DESCRIPTION

[0036] The following description provides specific application scenarios and requirements of the present specification, so as to enable those skilled in the art to manufacture and use the contents in the present specification. Various local modifications of the disclosed embodiments are obvious to those skilled in the art, and the general principles defined herein can be applied to other embodiments and applications without departing from the spirit and scope of the present specification. Therefore, the present specification is not limited to the shown embodiments, but is consistent with the widest scope of the claims.

[0037] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the orientation or position relationship indicated by the terms "longitudinal", "transverse", "radial", "length", "width", "thickness", "up", "down", "left", "right", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0038] It should be noted that the terms "first", "second" and the like, do not denote any order, quantity, or importance, but are used to identify different components, and should not be construed as limiting the embodiments of the present application.

[0039] It should be noted that the terms "mount", "set", "provided with", "connect", "connected" should be interpreted broadly. For example, it can be fixed connection, detachable connection, or integral structure; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through intermediate media, or internal communication between two devices, elements or components.

[0040] It should be noted that the terms "in some embodiments", "exemplarily", "for example" and the like are used to indicate as an example, illustration or description. Any embodiment or design scheme described as "in some embodiments", "exemplarily", "for example" in the present application should not be interpreted as more preferred or more advantageous than other embodiments or design schemes. Rather, the use of "in some embodiments", "exemplarily", "for example" and the like is intended to present the relevant concept in a specific way, meaning that the specific features, structures or properties described in conjunction with the embodiments can be included in at least one embodiment of the present application. The occurrence of the above words in various places in the specification does not necessarily mean the same embodiment, nor is it an independent or alternative embodiment that is not mutually exclusive or alternative with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0041] For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0042] With regard to the drawings of the present application, it should be clearly understood that the drawings are for illustrative and descriptive purposes only, and are not intended to limit the scope of the present specification. It should also be understood that the drawings are not necessarily drawn to scale.

[0043] As Figures 1 to 5As shown, this specification provides an intelligent sorting system for construction waste, including a loader 1, a spiral screen 2, a conveyor belt 1 3, a conveyor belt 2 4, a conveyor belt 3 5, an inclined sorting conveyor belt 6, an electromagnetic iron remover 7, a bouncing screen 8, a conveyor belt 4 9, a conveyor belt 5 10, a rod screen 11, a conveyor belt 6 12, a conveyor belt 7 13, a conveyor belt 8 14, a relaxation screen 15, a conveyor belt 9 16, a conveyor belt 17, a magnetic material collection area 18, a light material collection area 19, a visually assisted sorting room 20, a crushing transfer area 21, a finished product collection area 22 and a control device; it should be understood that the loader 1 adopts a loading device commonly used in the art, such as a chain feeder, each conveyor belt adopts a conveying device commonly used in the art, such as a belt conveyor, and each collection area is a storage container or storage space.

[0044] The construction waste is transported to the spiral screen 2 through the loader 1, and the spiral screen 2 sorts out small matter A, light matter A and heavy matter A. The spiral screen 2 is a screening device commonly used in this technical field, generally including a number of spiral rods arranged in parallel. When the construction waste passes through the spiral screen, the small matter A will fall from the gap between adjacent spiral rods, the heavy matter A will move in the opposite direction along the axial direction of the spiral rod, and the light matter A will move in the opposite direction along the rotation of the spiral rod, so that the three substances are sorted out.

[0045] It can be understood that small matter A generally refers to construction waste that can pass through the gap between adjacent spiral rods, light matter A generally refers to various light parabolic objects, such as plastic, paper, foam, etc., which are larger than small matter A, and heavy matter A generally refers to stones, concrete blocks, etc., which are heavier than light matter A and larger in size than small matter A.

[0046] The electromagnetic iron remover 7 is arranged on the conveying path of the conveyor belt 3, and can adsorb and transfer the magnetic material in the small material A transported along the conveyor belt 3 to the magnetic material collection area 18, so that the magnetic material can be screened out and collected. The electromagnetic iron remover 7 can refer to the self-unloading iron remover in the prior art and will not be described in detail here.

[0047] It can be understood that the magnetic material refers to metal materials that can be adsorbed by the electromagnetic iron remover 7, such as steel bars, iron blocks, etc.

[0048] The light substance A is conveyed to the inclined sorting conveyor belt 6 through the conveyor belt two 4, and then conveyed to the light substance collection area 19 through the inclined sorting conveyor belt 6. Specifically, one end of the inclined sorting conveyor belt 6 is located above the conveyor belt three 5 and below the outlet end of the conveyor belt two 4. The light substance A is discharged along the inclined sorting conveyor belt 6 to the light substance collection area 19, and the heavy substance B mixed in the light substance A falls onto the conveyor belt three 5. The inclined sorting conveyor belt 6 adopts an angle-adjustable conveying device in the technical field, and preferably, anti-skid lines are arranged on the conveying surface to facilitate better conveying of the light substance A. The heavy substance B mixed in the light substance A will fall onto the conveyor belt three 5 under the action of its own gravity.

[0049] It can be understood that the heavy substance B generally refers to stones, concrete blocks and the like mixed in the light substance A, and the weight of the heavy substance B is greater than that of the light substance A.

[0050] The heavy substance A is conveyed to the bounce screen 8 through the conveyor belt three 5, and the light substance B, the heavy substance C and the small substance B are sorted out. The bounce screen 8 is a commonly used screening device in the art, and will not be described in detail here. The heavy substance A enters the bounce screen 8, the heavier substances roll backward and fall onto the conveyor belt five 10, the small substance B falls from the gap and also falls onto the conveyor belt five 10, and the light substance B moves forward and falls onto the conveyor belt four 9, and then conveyed to the light substance collection area 19 through the conveyor belt four 9.

[0051] It can be understood that the small substance B generally refers to construction waste that can pass through the gap between the screening plates of the bounce screen 8, the light substance B generally refers to various light projectiles such as plastics, paper and foams, and the size of the light substance B is greater than that of the small substance B. The heavy substance C generally refers to stones, concrete blocks and the like, and the weight of the heavy substance C is greater than that of the light substance B, and the size of the heavy substance C is greater than that of the small substance B.

[0052] The small substance A is conveyed to the rod screen 11 through the conveyor belt one 3, and the small substance A is conveyed to the light substance collection area 19 through the rod screen 11. Figure 2 The rod screen 11 is a commonly used screening device in the art, and will not be described in detail here. Figure 3As shown, the bar screen 11 includes an upper screen 110, a lower screen 111 and a back-blowing fan 112, the upper screen 110 screens out fine material A and is conveyed to the conveyor belt six 12 to the conveyor belt five 10, the lower screen 111 screens out fine material B and is conveyed to the conveyor belt seven 13 to the finished product collection area 22, the back-blowing fan 112 blows the light material C in the fine material A to fall on the conveyor belt eight 14, specifically, the upper screen 110 and the lower screen 111 are arranged in an upper and lower spaced manner, and the front end is higher than the rear end and is arranged in an inclined manner, the small material A is conveyed to the front end of the upper screen 110 by the conveyor belt one 3, the bar screen 11 includes a plurality of parallel arranged screening plates 1100, the screening plate 1100 is generally a trapezoidal plate, so as to form a filtering gap which is wide at the front end and narrow at the rear end. Preferably, the filtering gap of the lower screen 111 is smaller than the filtering gap of the upper screen 110, the rear end of the upper screen 110 and the lower screen 111 is provided with a passage one, the lower side of the passage one is divided into a passage two and a passage three, the passage one and the passage two are communicated, an opening is arranged between the passage three and the passage two, and the back-blowing fan 112 is arranged in alignment with the opening.

[0053] The material screened by the upper screen 110 falls on the lower screen 111, and is screened by the lower screen 111 to fall on the conveyor belt seven 13, the material above the upper screen 110 falls into the passage one along the upper screen 110, and then falls on the conveyor belt six 12 through the passage two, in this process, the back-blowing fan 112 blows the light material C in the material to the opening to fall on the conveyor belt eight 14 along the passage three, and the material above the lower screen 111 falls into the passage three along the lower screen 111, and then falls on the conveyor belt eight 14 through the passage three.

[0054] It can be understood that the bar screen 11 can remove the soil blocks on the surface of the small material A, for example, the soil blocks on the surface of the plastic bottle.

[0055] It should be understood that the bar screen 11 is a commonly used screening device in the art, and the remaining structures are not described in detail here.

[0056] The light material C is conveyed to the flip-flow screen 15 through the conveyor belt eight 14, the flip-flow screen 15 is a commonly used screening device in the art, and is not described in detail here, the light material C is separated into coarse material A and fine material C through the flip-flow screen 15, the coarse material A is conveyed to the light material collection area 19 through the conveyor belt nine 16, and the fine material C is conveyed to the conveyor belt five 10 through the conveyor belt ten 17, the heavy material C, the small material B, the fine material A and the fine material C are conveyed to the visual auxiliary sorting room 20 through the conveyor belt five 10, and are separated into plastic garbage, wood garbage and to-be-crushed material, the to-be-crushed material is conveyed to the crushing transfer area 21 through the conveyor belt five 10, and then only needs to be transferred to the crusher for crushing.

[0057] The combination of multi-stage screening and intelligent sorting in the present sorting system realizes efficient and accurate sorting of construction waste. Among them, the spiral screen preliminarily separates light substances (plastic, wood, foam, paper) and heavy substances (concrete, bricks and tiles), the electromagnetic iron remover automatically recycles metal, the bounce screen and the bar screen further separate fine particles, combined with the reverse blower and the flip-flow screen to remove residual light impurities, and finally the visual auxiliary sorting room accurately identifies plastic, wood and other foreign substances, ensuring that the concrete and bricks and tiles entering the crusher are pure, significantly improving the sorting efficiency and reducing the labor cost.

[0058] In some embodiments, a negative pressure fan 23 is further included, which sucks up the fine particles in the fine material C on the conveying belt ten 17 and discharges them to the light substance collection area 19, further removing light substances, i.e. small-volume light objects. Optionally, the conveying belt ten 17 is higher than the conveying belt four 9, a U-shaped negative pressure pipeline is arranged, one port of which is located above the conveying belt ten 17 and the other port is located above the conveying belt four 9, and the negative pressure fan 23 is arranged on one side of the negative pressure pipeline close to the conveying belt four 9. In this way, the fine particles in the fine material C on the conveying belt ten 17 are sucked up by the negative pressure fan 23 and transferred to the conveying belt four 9.

[0059] In some embodiments, a foam fan 24 is further included, and the fine material B passes through the foam fan 24 on the conveying belt seven 13 to blow the foam particles to the foam collection area 25, which can effectively remove the foam particles in the fine material B. Optionally, a box is arranged on the conveying belt seven 13, the conveying belt seven 13 passes through the box, the inlet and outlet of the box are provided with flexible sealing sheets, the foam fan 24 is arranged on one side of the box, and a conveying pipe is arranged on the other side of the box, which is connected with the foam collection area 25.

[0060] In some embodiments, as shown in Figure 4 As shown in Figure 5 The visual auxiliary sorting room 20 includes a first visual detector 26, a manual sorting position 27, a marking conveying belt 28 and a plurality of marking light modules 29. The marking conveying belt 28 and the conveying belt five 10 are speed-synchronized and arranged in parallel above the conveying belt five 10. The manual sorting position 27 includes a manual area 270, a wood collection area 271 and a plastic collection area 272, which include a delivery pipeline and a storage space connected with the delivery pipeline below the visual auxiliary sorting room 20. The first visual detector 26 is used for visually identifying plastic waste and wood waste on the conveying belt five 10, and the marking light module 29 is used for marking the identified plastic waste and wood waste. Considering the cost and sorting efficiency, visual identification combined with manual sorting is the most cost-effective, which not only improves the sorting efficiency and accuracy, but also avoids the problem of difficulty in grabbing or sucking irregular materials by a mechanical hand.

[0061] The marking light module 29 comprises a flexible substrate and a plurality of light generators arranged on the flexible substrate in an array. The light generator can be a semiconductor laser module capable of emitting laser beams of multiple colors. The plurality of marking light modules 29 are sequentially overlaid on the marking conveyor belt 28 along the conveying direction of the marking conveyor belt 28 through the flexible substrate, so that the marking light module 29 can follow the conveying of the marking conveyor belt 28.

[0062] Further, a second visual detector 30 is further included, which is used to verify the identification result of the first visual detector 26, so as to effectively improve the identification accuracy.

[0063] The first visual detector 26 and the second visual detector 30 are CCD visual cameras.

[0064] As shown in Figure 6 With Figure 7 It is also provided in the specification that a sorting method applied to the intelligent sorting system of construction waste is provided, which comprises the following steps:

[0065] Step S1: Based on the sorting range of the sorter, the first visual detector 26 acquires a first visual detection area 31 of the same area on the conveyor belt five 10; wherein the sorting range is the area that the sorter can sort on the work station, which is generally configured as a square block, and the first visual detection area 31 is also a square block.

[0066] Step S2: The first visual detector 26 identifies the plastic waste and wood waste in the first visual detection area 31 and generates corresponding first position points;

[0067] As for the identification of plastic waste and wood waste, reference can be made to the effective identification method in the prior art. Exemplarily, the identification method comprises the following steps:

[0068] Based on the RGB image and the near-infrared spectrum image of the construction waste pile in the first visual detection area 31 collected by the first visual detector 26;

[0069] Morphological filtering and histogram equalization are used to denoise and enhance the contrast of the image;

[0070] The target area is extracted through HSV color space segmentation, and the edge detection algorithm is used to locate the fragment contour;

[0071] Multi-dimensional features of the target area are extracted, including:

[0072] i. Color feature: mean variance of RGB channel, H component histogram kurtosis;

[0073] ii. Texture features: contrast and homogeneity indexes of gray level co-occurrence matrix; specifically, a fusion algorithm of local binary pattern (LBP) and histogram of oriented gradients (HOG) is adopted, and an 8x8 pixel grid division and 16 direction gradient statistics are set.

[0074] iii. Spectral features: slope of reflectivity curve in near-infrared band 700-1000 nm; generally, the reflectivity of plastic materials increases by >12% / 100 nm in the 850-950 nm band, and the reflectivity of wood materials increases by <5% / 100 nm in the same band.

[0075] iv. Surface glossiness: quantified based on the area ratio of specular reflection spots;

[0076] It should be understood that the features used for identification are not limited to this, and reasonable features are obtained for identification according to the actual situation of construction waste.

[0077] The feature vector is input into a pre-trained visual recognition model, and a classification result is output. Exemplarily, a ResNet-18 network is used for plastic, and a random forest classifier is used for wood;

[0078] Regarding the generation of the first position point, reference can be made to the existing position generation method, exemplarily, the position generation method includes the following steps:

[0079] The first visual detection area 31 is divided into a plurality of unit grids based on the number of light generators in each marker light module 29, the light emitter is located at the center of each unit grid, and a first position point is configured for each unit grid; for example 、 、 … Of course, the first visual detection area 31 can also be divided into a plurality of unit grids, and a light generator is configured for each unit grid.

[0080] The first visual detector 26 identifies plastic waste and wood waste in each unit grid, and outputs the first position point of the corresponding unit grid and the corresponding waste type in the unit grid according to the identification result, so that accurate coordinate calculation is not required.

[0081] Step S3: marking the first position point by the marker light module 29, wherein the marker light module 29 emits light of the first color to mark plastic waste and emits light of the second color to mark wood waste; that is, based on the corresponding waste type in the unit grid, the corresponding light generator in the unit grid emits corresponding light.

[0082] Generally, plastic waste can be marked with a blue light source, and wood waste can be marked with a green light source.

[0083] Exemplarily, when the first visual detector 26 identifies that there is wood garbage in the unit grid, then the light generator corresponding to the unit grid emits green light.

[0084] Exemplarily, when the first visual detector 26 identifies that there is wood garbage and plastic garbage in the unit grid, then the light generator corresponding to the unit grid emits green light and blue light simultaneously.

[0085] It can be understood that each semiconductor laser module corresponds to a unit area in the first visual detection area 31, and the more the number of semiconductor laser modules, the higher the sorting efficiency of the sorter.

[0086] Step S4: control the speed of the marking conveyor belt 28 and the conveyor belt five 10 to be synchronized, so that the light and the corresponding first position point move synchronously;

[0087] Step S5: the sorter quickly locates the plastic garbage and the wood garbage based on the light, and puts them into the corresponding collection area. Preferably, the put-in pipes of the wood collection area 271 and the plastic collection area 272 can be set to corresponding colors.

[0088] In some embodiments, the following steps are included:

[0089] The second visual detector 30 acquires a second visual detection area 32 on the conveyor belt five 10, which has the same area as the first visual detection area 31;

[0090] Based on the first position point, the second visual detector 30 verifies the identification result of the first visual detector 26; directly checks the first position point, and narrows down the identification area.

[0091] If the identification results are the same, the original light marking is maintained;

[0092] If the identification results are different, the marking light module 29 emits a third color to mark the first position point.

[0093] In this way, the first visual detector 26 and the second visual detector 30 form cross verification, and the controversial area is marked by the third color, which reduces the misjudgment rate compared with a single detection system. The third color is generally red, which is more eye-catching.

[0094] In some embodiments, the following steps are included:

[0095] The second visual detector 30 identifies the area in the second visual detection area 32 other than the first position point, i.e. the unmarked unit grid, and if plastic garbage and wood garbage are identified, corresponding second position points are generated, and the marking light module 29 emits light of the fourth color for marking, so as to avoid missing identification of the first visual detector 26.

[0096] For example, the second visual detection area 32 identifies that there is plastic garbage in the unit grid, the light generator corresponding to the unit grid emits yellow light.

[0097] If the red light source or the yellow light source appears multiple times in a certain time, it means that the first visual detector 26 and the second visual detector 30 may be faulty.

[0098] In some embodiments, an artificial check bit 33 is provided, which also includes an artificial area 270, a wood collection area 271 and a plastic collection area 272. The first color is blue, which marks the plastic garbage, the second color is green, which marks the wood garbage, the third color is red, which marks the first position points with different identification results, and the fourth color is yellow, which marks the second position points. The sorter sorts the substances at the positions of the blue light source and the green light source, and the checker sorts the substances at the positions of the yellow light source and the red light source, further improving the sorting efficiency.

[0099] Further, a selection button and a third visual detector are provided in the artificial check bit 33. The selection button includes three buttons of plastic, wood and non-plastic / wood. The third visual detector identifies the position point of the material taken by the checker, combines the button pressed by the checker, and the identification results of the first visual detector 26 and the second visual detector 30 at the same position point, and records the visual detector with the judgment error.

[0100] A period is set, the error times of each visual detector in the period are counted, the visual identification model is optimized, and the error times of each visual detector in the period are counted again to judge the optimization effect.

[0101] In summary, after reading the detailed disclosure, those skilled in the art can understand that the foregoing detailed disclosure can be presented only in an exemplary manner and can not be limiting. Although it is not explicitly stated here, those skilled in the art can understand that the present application requires to encompass various reasonable changes, improvements and modifications to the embodiments. These changes, improvements and modifications are intended to be proposed by the present application and are within the spirit and scope of the exemplary embodiments of the present application.

[0102] Furthermore, it should be understood that, throughout this application, various features of the present embodiments are described as being combined in a single embodiment, figure, or description of an embodiment. This is for purposes of expedience and ease of description, and is not necessarily intended to exclude separate embodiments from being claimed. Additionally, it should be understood that the description of features in a single embodiment does not mean that the features must necessarily be combined in that embodiment. Rather, the description of features in a single embodiment is merely to describe one possible embodiment among many, and is not intended to exclude separate embodiments from being claimed. Thus, the various embodiments described herein can be combined in a single embodiment, or in multiple embodiments, without departing from the scope of the present application.

[0103] Finally, it should be understood that the application embodiments disclosed herein are illustrative of the principles of the present application. Other modifications that are obvious to those skilled in the art are intended to be within the scope of the application. Accordingly, the application embodiments disclosed herein are intended to be illustrative only and not in a limiting sense. Numerous changes can be made by those skilled in the art without departing from the application embodiments. Therefore, the scope of the present application is not intended to be limited to the application embodiments described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The sorting method of the intelligent sorting system for construction waste is characterized by: The sorting system includes a loader, a spiral screen, a conveyor belt 1, a conveyor belt 2, a conveyor belt 3, an inclined sorting conveyor belt, an electromagnetic iron remover, a bouncing screen, a conveyor belt 4, a conveyor belt 5, a bar screen, a conveyor belt 6, a conveyor belt 7, a conveyor belt 8, a relaxation screen, a conveyor belt 9, a conveyor belt 10, a magnetic material collection area, a light material collection area, a visually assisted sorting room, a crushing transfer area, a finished product collection area and a control device; the construction waste is transported to the spiral screen through the loader, and the spiral screening selects small material A, light material A and heavy material A, the electromagnetic iron remover absorbs and transfers the magnetic material in the small material A transported along the conveyor belt 1 to the magnetic material collection area, the light material A is transported to the inclined sorting conveyor belt through the conveyor belt 2, and then transported to the light material collection area through the inclined sorting conveyor belt In the material collection area, the heavy material A is transported to the bouncing screen through the conveyor belt three, and light material B, heavy material C and small material B are sorted out. The light material B is transported to the light material collection area through the conveyor belt four; the small material A is transported to the bar screen through the conveyor belt one. The bar screen includes an upper screen, a lower screen and an anti-blowing blower. The upper screen screens out the fine material A and transports it to the conveyor belt five through the conveyor belt six. The lower screen screens out the fine material B and transports it to the finished product collection area through the conveyor belt seven. The anti-blowing blower blows the light material C in the fine material A onto the conveyor belt eight, and transports it to the relaxation screen through the conveyor belt eight to sort out the coarse material A and the fine material C. The coarse material A is transported to the light material collection area through the conveyor belt nine, and the fine material C is transported to the conveyor belt five through the conveyor belt ten; heavy material C, small material B , fine material A and fine material C are transported to the visually assisted sorting room through the conveyor belt five, and plastic waste, wood waste and materials to be crushed are sorted out, and the materials to be crushed are transported to the crushing transfer area through the conveyor belt five; the visually assisted sorting room includes a first visual detector, a second visual detector, a manual sorting position, a marking conveyor belt and several marking light modules, the marking conveyor belt and conveyor belt five are synchronized in speed, the manual sorting position includes a manual area, a wood collection area and a plastic collection area, the first visual detector is used to visually identify the plastic waste and wood waste on the conveyor belt five, the marking light module is used to mark the identified plastic waste and wood waste, and the second visual detector is used to verify the recognition result of the first visual detector; the sorting The method includes the following steps: Step S1: Based on the sorting range of the sorter, the first visual detector obtains a first visual detection area of ​​the same area on the conveyor belt five; Step S2: The plastic waste and wood waste in the first visual detection area are identified by the first visual detector, and a corresponding first position point is generated; Step S3: The first position point is marked by a marking light module, wherein the marking light module emits a first color of light to mark plastic waste and emits a second color of light to mark wood waste; Step S4: The speed of the marking conveyor belt and the conveyor belt five are controlled to be synchronized so that the light and the corresponding first position point move synchronously; Step S5: The sorter quickly locates the plastic waste and wood waste based on the light and puts them into the corresponding collection area.

2. The sorting method of the intelligent sorting system for construction waste according to claim 1 is characterized in that: In the sorting system, one end of the inclined sorting conveyor belt is located above the conveyor belt three and below the outlet end of the conveyor belt two. The light material A is discharged to the light material collection area along the inclined sorting conveyor belt, and the heavy material B mixed in the light material A falls to the conveyor belt three.

3. The sorting method of the intelligent sorting system for construction waste according to claim 1, characterized in that: The sorting system further includes a negative pressure fan, which sucks up the fine light matter in the fine material C on the conveyor belt 10 and discharges it to the light matter collection area.

4. The sorting method of the intelligent sorting system for construction waste according to claim 1, characterized in that: The sorting system also includes a foam blower. The fine material B passes through the foam blower via the conveyor belt 7, and the foam particles are blown to the foam collection area.

5. The sorting method of the intelligent sorting system for construction waste according to claim 1, characterized in that: The following steps are involved: The second visual detection device obtains a second visual detection area on the conveyor belt 5 with the same area as the first visual detection area; Based on the first position point, verifying the recognition result of the first visual detector by using the second visual detector; If the recognition results are the same, the original light mark is maintained; If the recognition results are different, the marking light module emits a light of a third color to mark the first position point.

6. The sorting method of the intelligent sorting system for construction waste according to claim 5, characterized in that: The following steps are involved: The second visual detector is used to identify the area outside the first position point in the second visual detection area. If plastic waste and wood waste are identified, a corresponding second position point is generated, and the marking light module emits a fourth color light for marking.

7. The sorting method of the intelligent sorting system for construction waste according to claim 6, characterized in that: A manual check position is set, the first color is blue, which is used to mark plastic waste, the second color is green, which is used to mark wood waste, the third color is red, which is used to mark the first position point with different recognition results, and the fourth color is yellow, which is used to mark the second position point. The sorter sorts the materials at the blue light source and green light source position points, and the manual check position sorts the materials at the yellow light source and red light source position points.

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