Construction waste processing and recycling system

Abstract

The application discloses a building garbage processing and recycling system, which comprises a base, an excitation winding, a sleeve in the base, a detachable connection with the base, and an alternating current power supply, which is used for generating an alternating excitation force. A rubbing device is arranged in the base and coaxially connected with the excitation winding. The excitation winding is used for driving the rubbing device to reciprocate by the excitation force, and the rubbing device is used for crushing and grinding the building garbage by the reciprocating motion. After the excitation winding is connected with the alternating current power supply, the alternating excitation force is generated in the alternating current to generate an alternating magnetic field. The reciprocating motion and rotation are combined to crush the building garbage first, and then the crushed building garbage is ground by the rotation to prepare aggregate. The building garbage is directly processed into aggregate in the rubbing device, the overall structure is simple, the equipment is less, and the process is short. The rubbing device is driven by the excitation force to process the building garbage by the combination of the motion and the rotation, and the system energy consumption is greatly reduced.

Description

TECHNICAL FIELD

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

[0002] In the process of urbanization construction, it is necessary to demolish and remove waste buildings, and the construction waste needs to be recycled and processed. The recycled construction waste can be reused as new materials for road paving bricks, concrete and other construction fields. Therefore, construction waste recycling and processing is an important processing link in urban construction and has important significance.

[0003] At present, there are many construction waste recycling and processing equipment, mainly using construction waste recycling production lines for processing and recycling, mainly including processes such as separation, crushing, soil removal, iron removal, air separation, and flotation. The metal (steel bars, iron wires, electric wires, etc.), light substances (plastics, foams, paper sheets, wood, etc.) are separated, and the concrete blocks, gravel, bricks, etc. with a larger specific gravity are crushed into a certain size of recycled sand and gravel aggregate. In the process of crushing the concrete blocks into sand and gravel aggregate, more equipment is needed, such as the automatic circulating construction waste crushing system disclosed in Chinese patent CN201821364298.4, which includes a spraying device, a coarse crusher, a screening device, a scraping device, a first conveying device, a second conveying device, and a third conveying device. In the crushing process, the coarse crusher is used for primary crushing, the first processed aggregate is output to the screening device for screening through the first conveying device, the fine crusher is used for secondary crushing, and the screening device is used for screening. The whole system uses more equipment, the process is complex and long, and occupies a large space. The coarse crusher uses a large or medium jaw crusher, the fine crusher uses a roller crusher, and the screening device needs to be driven by a motor. The whole system has high energy consumption.

[0004] The prior art has the problems of multiple equipment, complex process, and long process, resulting in high system energy consumption. SUMMARY

[0005] In order to solve the problems of multiple equipment, complex process, and long process, resulting in high system energy consumption, the present application provides a construction waste recycling system, which prepares construction waste into aggregate through a base, an excitation winding, and a rubbing device.

[0006] In order to achieve the above purpose, the present application is realized by the following technical scheme:

[0007] A construction waste recycling system, comprising:

[0008] a base.

[0009] an excitation winding, which is sleeved in the base and is connected with the base in a detachable manner, and is connected with an alternating current power supply, for generating an alternating exciting force.

[0010] The rubbing device is arranged in the base and coaxially sleeved with the excitation winding.

[0011] Compared with the prior art, the present application has the following advantages:

[0012] After the excitation winding is connected to an alternating current power supply, an alternating excitation force is generated in the alternating magnetic field generated by the alternating current, and the rubbing device reciprocates up and down under the action of the excitation force and also rotates reciprocally, so that the reciprocating motion and rotation are combined to crush the construction waste first and then grind it, thereby preparing the aggregate.

[0013] Further preferably, the rubbing device comprises:

[0014] The rubbing structure is arranged in the base and located in the interior of the excitation winding and reciprocates up and down under the action of the excitation force to extrude and crush the construction waste.

[0015] The grinding structure is sleeved in the rubbing structure and rotationally connected to the base, and forms a rubbing wall with the rubbing structure, is used to crush the construction waste between the rubbing structure and the grinding structure through the reciprocating motion of the rubbing structure and the rotation of the grinding structure, and obtain the waste pieces, and is also used to grind the waste pieces through the rotation to obtain the aggregate.

[0016] With the above technical solution, the rubbing structure reciprocates up and down under the action of the excitation force generated by the excitation winding, and the grinding structure rotates, the rubbing structure and the grinding structure form a state of extruding and crushing the construction waste, and the waste pieces fall in the lower part of the grinding structure and gradually fall into the space between the grinding structure and the rubbing structure in the process of the rotation of the grinding structure, and the rotating grinding structure also clamps and extrudes the waste pieces with the reciprocating rubbing structure.

[0017] Further preferably, the rubbing structure comprises:

[0018] The rubbing cylinder is sleeved in the interior of the excitation winding at the middle part, the lower part of the rubbing cylinder is suspended in the interior cavity of the base, and the upper part of the rubbing cylinder extends out of the excitation winding and forms a rubbing cavity with the grinding structure.

[0019] A plurality of rubbing tables are evenly arranged on the inner wall of the upper part of the rubbing cylinder and are fixedly connected with the inner wall, are used for reciprocating movement along the axial direction, and are used for extruding and rolling the construction waste in cooperation with the grinding structure.

[0020] A material collecting groove is spirally arranged on the inner bottom wall of the rubbing cylinder and is used for collecting the aggregate.

[0021] The construction waste is directly and once made into the aggregate by cooperation of the rubbing cylinder, the rubbing table and the grinding structure, the aggregate is collected by the material collecting groove, screening is not needed, the whole process is only carried out in the rubbing cylinder, and the process is simple, convenient, reliable and environmentally friendly.

[0022] Further preferably, the rubbing table comprises a first crushing tooth, a second crushing tooth, a third crushing tooth and a fourth crushing tooth, the first crushing tooth, the second crushing tooth, the third crushing tooth and the fourth crushing tooth are connected by head-to-tail integral forming to form a sawtooth.

[0023] The construction waste with different shapes and irregularities is clamped in the rubbing cavity by the sawtooth, the construction waste is subjected to up-and-down rubbing and extrusion during movement of the rubbing cylinder, and the preparation process of the waste pieces is completed.

[0024] Further preferably, the length of the first crushing tooth is 2 times the length of the second crushing tooth, the length of the second crushing tooth is 1.8 times the length of the third crushing tooth, and the length of the first crushing tooth is 4 times the length of the third crushing tooth.

[0025] The sawtooth with different heights is formed, the distance between the fourth crushing tooth and the grinding structure is the largest, the distance between the first crushing tooth and the grinding structure is the smallest, the rubbing cavity has an upper large and lower small shape, the construction waste is rolled into larger pieces between the fourth crushing tooth and the grinding structure, then is rolled into slightly larger pieces between the second crushing tooth and the grinding structure, and finally is rolled into pieces between the first crushing tooth and the grinding structure, so that the construction waste is gradually broken.

[0026] Further preferably, the grinding structure comprises:

[0027] A grinding column is arranged in the rubbing cylinder, a top surface of the grinding column is connected with a driving motor, and the grinding column is used for rotating with a working end of the driving motor.

[0028] A grinding roller is fixedly connected to the side wall of the grinding column and forms a rubbing cavity with the rubbing table, the grinding roller and the rubbing table are in contact with the surface of the construction waste to clamp the construction waste in the rubbing cavity, and the grinding roller and the rubbing table are used for clamping and extruding the construction waste to make the construction waste into waste pieces.

[0029] The grinding table is arranged on the bottom surface of the grinding column, the top surface of which is fixedly connected with the bottom surface of the grinding roller, the bottom surface is rotationally connected with the base, and the side wall has a preset distance from the side wall of the rubbing cylinder to form a grinding space, which is used for receiving the garbage pieces and guiding the garbage pieces to the grinding space during the rotation of the grinding column, and the garbage pieces falling into the grinding space are ground into aggregates.

[0030] The grinding roller rotates with the grinding column and forms a double action of rotating rubbing and up-and-down rubbing with the rubbing table, so that the construction waste is completely broken into garbage pieces between the grinding roller and the rubbing table. Then the garbage pieces in the grinding space are ground into aggregates by the rubbing table and the inner wall of the lower part of the rubbing cylinder through rotating and up-and-down movement, so as to complete the two processes of preparing garbage pieces by rubbing and preparing aggregates by grinding, and the process is simple.

[0031] Further optimization is that the grinding table is in the shape of a circular table, and the top surface is a curved surface.

[0032] The above technical scheme ensures that the falling garbage pieces smoothly enter the grinding space during the rotation of the grinding column.

[0033] Further optimization is that the inner bottom wall of the base is fixedly connected with a support column, the top end of the support column penetrates through the bottom of the rubbing cylinder and is rotationally connected with the grinding table, and the side wall of the support column is matched with the inner wall of the rubbing cylinder.

[0034] The above technical scheme ensures that the grinding table can rotate on the support column under the driving of the driving motor.

[0035] Further optimization is that the material collecting groove is detachably connected with a discharge pipe, the discharge pipe is flexibly connected with the material collecting groove, and the end of the discharge pipe penetrates through the base to discharge the aggregates.

[0036] The above technical scheme can collect the aggregates in the base, avoid dust pollution of the aggregates, and has environmental protection significance.

[0037] Further optimization is that the rubbing cylinder is provided with a feeding cylinder, the bottom surface of the feeding cylinder is connected with the top surface of the rubbing cylinder, and the feeding cylinder surrounds the outside of the grinding structure.

[0038] The above technical scheme clamps the construction waste between the feeding cylinder and the rubbing cylinder and gradually sends it into the rubbing cavity. BRIEF DESCRIPTION OF DRAWINGS

[0039] Figure 1 The figure is a structural schematic diagram of the embodiment.

[0040] Figure 2 The figure is a structural schematic diagram of the field winding in the embodiment.

[0041] Figure 3A structural schematic diagram of the grinding structure in the embodiment.

[0042] Figure 4 A structural schematic diagram of the rubbing structure in the embodiment.

[0043] Figure 5 A structural schematic diagram of the material collecting groove in the embodiment.

[0044] Figure 6 A structural schematic diagram of the rubbing table in the embodiment.

[0045] Figure 7 A structural schematic diagram of the discharge pipe in the embodiment.

[0046] Figure 8 A control function module schematic diagram of the controller in the embodiment.

[0047] The reference signs are as follows: 1, base; 11, support column; 2, excitation winding; 3, rubbing structure; 31, rubbing table; 311, first rubbing tooth; 312, second rubbing tooth; 313, third rubbing tooth; 314, fourth rubbing tooth; 32, material collecting groove; 33, rubbing cylinder; 4, feeding cylinder; 5, grinding structure; 51, grinding column; 52, grinding roller; 53, grinding table; 6, driving motor; 7, electric wire; 8, discharge pipe. DETAILED DESCRIPTION

[0048] In the crushing process of the existing crushing equipment system, the first crushing is performed by a coarse crusher, the first processed aggregate is output to a screening device for screening through a first conveying device, the second crushing is performed by a fine crusher, and the screening is performed by the screening device again. The entire system uses more equipment, the process is complex and lengthy, occupies a large space, the coarse crusher uses a large or medium jaw crusher, the fine crusher uses a roller crusher, and the screening device needs to be driven by a motor. Therefore, there are problems of multiple equipment, complex and lengthy process, and large system energy consumption.

[0049] In view of the above technical problems, the present application makes the following design and conception: a structure is used to combine two crushing processes and eliminate the screening device, so that the construction waste can be made into aggregate only by two crushing processes. The crushing process can be realized by the combination of the relative movement and rotation of two parts in the structure on the basis of extrusion, so that the construction waste can be completely crushed into aggregate.

[0050] Based on the above design and conception, the present application combines the following drawings to make a further detailed introduction to the present application. Figures 1-8 Further detailed introduction to the present application.

[0051] A construction waste treatment and recycling system, as shown in the accompanying drawings, comprises: Figure 1 The base.

[0052] The base.

[0053] The excitation winding 2 is sleeved in the base and is connected with the base and the AC power supply for generating alternating excitation force.

[0054] The rubbing device is arranged in the base and is coaxially sleeved with the excitation winding 2. The excitation winding 2 is used for driving the rubbing device to move reciprocatingly by the excitation force, and the rubbing device is used for crushing and grinding the construction waste by the reciprocating movement.

[0055] After the excitation winding 2 is connected with the AC power supply, the alternating excitation force is generated in the alternating magnetic field generated by the alternating current, and the rubbing device moves reciprocatingly up and down under the action of the excitation force and also rotates reciprocatingly, so that the reciprocating movement and rotation are combined to crush the construction waste first and then grind the construction waste by rotation, thereby preparing the aggregate, realizing that the construction waste only needs to be directly processed into the aggregate in the rubbing device, and the whole structure is simple, the equipment is less and the process is short. The rubbing device is driven by the excitation force to process the construction waste by the combined mode of movement and rotation, and the system energy consumption is greatly reduced.

[0056] Specifically, as shown in Figure 1 and Figure 2 , the rubbing device in the embodiment includes:

[0057] The rubbing structure 3 is arranged in the base and is located in the interior of the excitation winding 2 and moves reciprocatingly up and down under the action of the excitation force to extrude and roll the construction waste.

[0058] The grinding structure 5 is sleeved in the rubbing structure 3 and is rotationally connected with the base and forms a rubbing wall with the rubbing structure 3, is used for crushing the construction waste between the rubbing structure 3 by the reciprocating movement of the rubbing structure 3 and the rotation of the grinding structure 5 to obtain the waste pieces, and is also used for grinding the waste pieces by rotation to obtain the aggregate.

[0059] The rubbing structure 3 moves reciprocatingly up and down under the action of the excitation force generated by the excitation winding 2 to form a high-frequency vibration process, and the organization structure in the construction waste is gradually loosened by the high-frequency vibration, and the grinding structure 5 rotates, the rubbing structure 3 and the grinding structure 5 form the state of extruding and rolling the construction waste to crush the construction waste. After the waste pieces fall in the lower part of the grinding structure 5, the waste pieces gradually fall into the space between the grinding structure 5 and the rubbing structure 3 in the process of the rotation of the grinding structure 5, and the rotating grinding structure 5 also clamps and extrudes the waste pieces with the reciprocating rubbing structure 3.

[0060] Specifically, as shown in Figure 4 , the rubbing structure 3 in the embodiment includes:

[0061] The inner part of the rubbing cylinder 33 is in the interior of the excitation winding 2, the lower part is suspended in the internal cavity of the base, and the upper part is extended from the excitation winding 2 and forms a rubbing cavity between the rubbing structure 5. Under the action of the exciting force, the rubbing cylinder 33 reciprocates up and down relative to the rubbing structure 5, and the building waste in the rubbing cavity is squeezed into waste pieces through the upper part, and the middle part reciprocates with the rubbing structure 5 and the rotation of the rubbing structure 5 to squeeze the waste pieces into aggregates.

[0062] A plurality of rubbing tables 31 are uniformly arranged on the inner wall of the upper part of the rubbing cylinder 33 and are fixedly connected with the inner wall, for reciprocating movement in the axial direction and cooperating with the rubbing structure 5 to squeeze the building waste. There is a gap between each adjacent rubbing table 31 to prevent the building waste from falling from the adjacent rubbing table 31 to the lower part of the rubbing cylinder 33, so that all the building waste is rubbed, avoiding the occurrence of incomplete rubbing.

[0063] The material collecting groove 32 is helical and is arranged on the inner bottom wall of the rubbing cylinder 33, for collecting aggregates, realizing direct collection of aggregates in the rubbing cylinder 33, and preventing the aggregates from leaking out to pollute the environment.

[0064] Through the cooperation of the rubbing cylinder 33, the rubbing table 31 and the rubbing structure 5, the building waste is directly and one-time made into aggregates, and the aggregates are collected by the material collecting groove 32, without screening, and the whole process is carried out in the rubbing cylinder 33, which is simple, convenient, reliable and environmentally friendly.

[0065] Specifically, as shown in Figure 4 and Figure 6 The rubbing table 31 in the embodiment includes a first crushing tooth 311, a second crushing tooth 312, a third crushing tooth 313 and a fourth crushing tooth 314, which are connected by head-to-tail integral molding to form a sawtooth. The cross-sectional line of the sawtooth is a continuous wavy line, which improves the ability to hold building waste with the rubbing structure 5 and enhances the strength of rubbing building waste.

[0066] The sawtooth holds the building waste with different shapes and irregularities in the rubbing cavity, and can move the building waste up and down and squeeze it during the movement of the rubbing cylinder 33, to complete the preparation process of the waste pieces.

[0067] Specifically, according to the need of the aggregate preparation process, the waste pieces are divided into four stages, which require four different structures corresponding to different degrees of crushing, such as Figure 4 and Figure 6As shown, the length of the first crushing tooth 311 is 2 times the length of the second crushing tooth 312, the length of the second crushing tooth 312 is 1.8 times the length of the third crushing tooth 313, and the length of the first crushing tooth 311 is 4 times the length of the third crushing tooth 313. First, the building waste is crushed into large blocks by the fourth crushing tooth 314, and then gradually crushed into smaller blocks by the third crushing tooth 313 and the second crushing tooth 312, especially the slightly smaller building waste that is missed by the second crushing tooth 312 and the first crushing tooth 311 is continuously crushed by the third crushing tooth 313, and finally the first crushing tooth 311 uniformly crushes it into waste fragments, ensuring that the particle size of the building waste crushed by the first crushing tooth 311 is half of that of the second crushing tooth 312.

[0068] In this way, different sawtooth teeth are formed, and the distance between the fourth crushing tooth 314 and the grinding structure 5 is the largest, and the distance between the first crushing tooth 311 and the grinding structure 5 is the smallest, so that the crushing chamber is in the shape of large at the top and small at the bottom. The building waste is crushed into larger blocks between the fourth crushing tooth 314 and the grinding structure 5, and then enters the second crushing tooth 312 and the grinding structure 5 to be crushed into slightly larger blocks, and finally the first crushing tooth 311 and the grinding structure 5 are crushed into fragments, so as to gradually crush the building waste.

[0069] Specifically, as shown in the figure, Figure 3 The grinding structure 5 in the embodiment includes:

[0070] The grinding column 51 is arranged in the crushing cylinder 33, and the top surface thereof is connected with the driving motor 6 for rotating with the working end of the driving motor 6. The driving motor 6 is selected as an electric spindle motor, which has the characteristics of high-speed operation and stable and reliable performance.

[0071] The grinding roller 52 is fixedly connected to the side wall of the grinding column 51 and forms a crushing chamber with the crushing table 31. The grinding roller 52 and the crushing table 31 are in contact with the surface of the building waste to clamp the building waste in the crushing chamber. The grinding roller 52 and the crushing table 31 are used to make the building waste into waste fragments by clamping and extruding. The grinding roller 52 is a solid roller, and the grinding column 51 is a solid column, so that they can withstand the strong force of the crushing table 31 during the crushing process.

[0072] The grinding table 53 is arranged on the bottom surface of the grinding column 51, and the top surface thereof is fixedly connected with the bottom surface of the grinding roller 52, and the bottom surface is rotatably connected with the base. There is a predetermined distance between the side wall and the crushing cylinder 33 to form a grinding space. During the rotating process of the grinding column 51, the grinding space is used to receive waste fragments and guide the waste fragments to the grinding space, and the waste fragments falling into the grinding space are ground into aggregates.

[0073] The grinding roller 52 rotates with the grinding column 51, and forms a double action of rotating and up and down grinding with the rubbing table 31, so that the construction waste is completely crushed into waste pieces between the grinding roller 52 and the rubbing table 31. Then the grinding table 53 and the inner wall of the lower part of the rubbing cylinder 33 grind the waste pieces in the grinding space into aggregates through rotating and up and down movement, so as to complete the two processes of preparing waste pieces through rubbing and preparing aggregates through grinding, and has the characteristics of simple process.

[0074] Specifically, as shown in Figure 3 and Figure 5 , the grinding table 53 in the embodiment is in the shape of a circular truncated cone, and the top surface is a curved surface. During rotation with the grinding column 51, it is ensured that the falling waste pieces smoothly enter the grinding space.

[0075] Specifically, as shown in Figure 5 , the inner bottom wall of the base is fixedly connected with a support column 11, the top end of the support column 11 penetrates through the bottom of the rubbing cylinder 33 and is rotationally connected with the grinding table 53, and the side wall of the support column 11 is matched with the inner wall of the rubbing cylinder 33, so that the grinding table 53 can rotate on the support column 11 under the driving of the driving motor 6.

[0076] Specifically, as shown in Figure 7 , the discharge pipe 8 is detachably connected to the material collecting groove 32 in the embodiment, the discharge pipe 8 is flexibly connected with the discharge groove, and the end of the discharge pipe 8 penetrates through the base for discharging aggregates, so that aggregates can be collected inside the base, the environment is prevented from being polluted by aggregate dust, and the embodiment has the environmental protection significance.

[0077] Specifically, as shown in Figure 4 , the feeding cylinder 4 is arranged on the rubbing cylinder 33 in the embodiment, the bottom surface of the feeding cylinder 4 is connected with the top surface of the rubbing cylinder 33, the feeding cylinder 4 surrounds the outside of the grinding structure 5, and the construction waste is clamped between the feeding cylinder 4 and the rubbing cylinder 33 and gradually fed into the rubbing cavity. The inner wall of the feeding cylinder 4 is a concave curved surface, so that a larger accommodation space is reserved between the feeding cylinder 4 and the grinding roller 52, more construction waste can be contained, and the construction waste can be prevented from being lifted and falling out of the feeding cylinder 4 during the up and down movement of the rubbing cylinder 33.

[0078] Specifically, as shown in Figure 8 , the embodiment further includes a controller and a switch, the controller is in control connection with the switch, one electrical end of the switch is connected with the excitation winding 2, and the other electrical end is connected with the alternating power supply, the controller outputs a control signal to the switch to control the closing and opening of the switch. After the switch is closed, the excitation winding 2 is connected with the alternating power supply through the wire 7, and the coil in the excitation winding 2 generates an alternating magnetic field force, that is, a vibration exciting force.

[0079] The controller is also connected with the driving motor 6 for outputting control signals to the driving motor 6, so that the driving motor 6 can be started or stopped automatically without manual starting and stopping, and has the characteristics of safety, reliability and high automation.

[0080] Please combine Figures 1-8 With no construction waste between the feeding cylinder 4 and the grinding roller 52 as the initial state, the working principle and process of the embodiment are described as follows:

[0081] The construction waste enters the rubbing cavity between the rubbing table 31 and the grinding roller 52 from the feeding cylinder 4 and is clamped between the grinding roller 52 and the fourth rubbing table 31. The operation controller sends a control starting signal to the driving motor 6 and a signal for closing the switch. The driving motor 6 is started and rotates to drive the grinding column 51 to rotate. At the same time, the controller sends a control signal to the switch to close the excitation winding 2 to connect the alternating current power supply, and the excitation winding 2 generates an alternating excitation force.

[0082] The rubbing cylinder 33 reciprocates up and down relative to the grinding column 51 under the action of the excitation force. The rubbing table 31 clamps the construction waste between the grinding rollers 52 and forms a composite process of frequent rubbing and extrusion and rotating extrusion with the grinding rollers 52. During this period, the construction waste is repeatedly rubbed, and the internal structure is gradually loosened to become a waste fragment.

[0083] The waste fragment falls on the grinding table 53 and gradually falls into the grinding cavity along the grinding table 53. The same process forms a composite process of grinding extrusion and rotating extrusion between the side wall of the grinding table 53 and the inner wall of the lower part of the rubbing cylinder 33, so that the waste fragment is ground into aggregate.

[0084] The aggregate falls into the receiving groove 32 and is transported to the outside of the base by the discharge pipe 8 for unified collection, so as to collect the aggregate in the base and avoid pollution caused by dust.

[0085] As described above, only the composite motion process of rotation and up-and-down motion in the rubbing cylinder 33, the grinding roller 52 and the grinding table 53 is needed for crushing, the construction waste is directly processed into aggregate, the overall structure is simple, the equipment is less and the process is short, the processing process is environmentally friendly and pollution-free, the system energy consumption is greatly reduced, and the automation degree is high and safe and reliable.

[0086] The specific embodiment is only an explanation of the invention, which is not a limitation of the invention. Those skilled in the art can make modifications to the embodiment without creative contribution after reading the specification, but as long as it is within the protection scope of the invention, it is protected by the patent law.

Claims

1. A construction waste processing and recycling system, characterized by, It includes: Base (1); Excitation winding (2), inner sleeve in the base (1), with the base (1) off-line connection, with AC power supply, for generating alternating excitation force; The polishing device is arranged in the base (1) and coaxially sleeved with the excitation winding (2); the excitation winding (2) is used for driving the polishing device to move back and forth by the excitation force, and the polishing device is used for crushing and grinding construction waste by reciprocating motion: The polishing device includes: The rolling structure (3) is arranged in the base (1) and located in the interior of the excitation winding (2). Under the action of the excitation force, it generates up and down reciprocating motion to extrude and roll the construction waste; The grinding structure (5) is arranged in the rolling structure (3) and is rotatably connected with the base (1). The rolling wall is formed between the rolling structure (3) and the grinding structure (5). The rolling wall is used to crush the construction waste between the rolling structure (3) and the grinding structure (5) by rotating and reciprocating with the rolling structure (3), so as to obtain waste fragments, and is also used to grind the waste fragments by rotating to obtain aggregate; The rolling structure (3) includes: The rolling cylinder (33) is arranged in the interior of the excitation winding (2). The lower part of the rolling cylinder (33) is suspended in the interior cavity of the base (1), and the upper part of the rolling cylinder (33) extends out of the excitation winding (2) and forms a rolling cavity with the grinding structure (5). Under the action of the excitation force, the rolling cylinder (33) reciprocates up and down relative to the grinding structure (5), and the construction waste in the rolling cavity is extruded and rolled into waste fragments by the upper part. The middle part of the rolling cylinder (33) reciprocates with the grinding structure (5) and is extruded and rolled into the aggregate by the rotation of the grinding structure (5); A plurality of rolling tables (31) are uniformly arranged on the inner wall of the upper part of the rolling cylinder (33) and are fixedly connected with the inner wall, which is used for reciprocating movement along the axial direction and extruding and rolling the construction waste with the grinding structure (5); The material collecting groove (32) is arranged in the interior bottom wall of the rolling cylinder (33) and is used for collecting the aggregate; The rolling table (31) includes: first crushing tooth (311), second crushing tooth (312), third crushing tooth (313) and fourth crushing tooth (314). The first crushing tooth (311), the second crushing tooth (312), the third crushing tooth (313) and the fourth crushing tooth (314) are connected by head-to-tail integral molding to form a sawtooth tooth; The length of the first crushing tooth (311) is 2 times the length of the second crushing tooth (312), and the length of the second crushing tooth (312) is 1.8 times the length of the third crushing tooth (313).

2. The construction waste processing recovery system according to claim 1, wherein, The grinding structure (5) includes: The grinding column (51) is arranged in the rolling cylinder (33) and is connected with the driving motor on the top surface, which is used for rotating with the working end of the driving motor; The grinding roller (52) is fixed on the side wall of the grinding column (51) and forms a rubbing cavity between the rubbing table (31). The grinding roller (52) and the rubbing table (31) are in contact with the surface of the construction waste to clamp the construction waste in the rubbing cavity. The grinding roller (52) and the rubbing table (31) are used to make the construction waste into waste pieces by clamping and extruding. The grinding table (53) is arranged on the bottom surface of the grinding column (51). The top surface of the grinding table (53) is fixed with the bottom surface of the grinding roller (52), the bottom surface is rotatably connected with the base (1), and the side wall has a preset distance with the rubbing cylinder (33) to form a grinding space. During the rotation of the grinding column (51), the grinding table (53) is used to receive the waste pieces and guide the waste pieces to the grinding space. The waste pieces falling into the grinding space are ground into aggregates.

3. The construction waste processing recovery system according to claim 2, wherein, The grinding table (53) is in the shape of a circular truncated cone, and the top surface is a curved surface.

4. The construction waste processing recovery system according to claim 2, wherein, The inner bottom wall of the base (1) is fixed with a support column (11). The top end of the support column (11) penetrates through the bottom of the rubbing cylinder (33) and is rotatably connected with the grinding table (53). The side wall of the support column (11) is matched with the inner wall of the rubbing cylinder (33).

5. The construction waste processing recovery system according to claim 1, wherein, The discharge pipe (8) is detachably connected with the receiving chute (32). The discharge pipe (8) is soft-connected with the receiving chute. The end of the discharge pipe (8) penetrates through the base (1) and is used to discharge the aggregates.

6. The construction waste processing recovery system according to claim 1, wherein, The rubbing cylinder (33) is provided with a feeding cylinder (4). The bottom surface of the feeding cylinder (4) is connected with the top surface of the rubbing cylinder (33). The feeding cylinder (4) surrounds the outside of the grinding structure (5).

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