CN113941428B

CN113941428B - Building waste recycling system

Info

Publication number: CN113941428B
Application number: CN202111244095.8A
Authority: CN
Inventors: 吕进胜
Original assignee: Qingdao Build Concrete Co ltd
Current assignee: Qingdao Build Concrete Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2023-06-20
Anticipated expiration: 2041-10-26
Also published as: CN113941428A

Abstract

The application relates to the field of recycling of construction waste, in particular to a construction waste recycling and processing system, which comprises main crushing equipment; the screening equipment is arranged at the discharge end of the main crushing equipment; an auxiliary crushing device; the returning device is arranged between the screening device and the auxiliary crushing device and can convey the residual materials screened by the screening device to the auxiliary crushing device; the returning device is arranged between the auxiliary crushing device and the main crushing device and can send the materials crushed by the auxiliary crushing device to the main crushing device; and the discharging conveying equipment is arranged at the lower side of the screening equipment. This application has the recovery efficiency who improves construction waste, the effect of the construction waste treatment of being convenient for in batches.

Description

Building waste recycling system

Technical Field

The application relates to the field of recycling of construction waste, in particular to a construction waste recycling and processing system.

Background

The construction waste refers to waste materials such as waste masonry and waste concrete generated during construction, and the waste materials are usually piled up or buried in open air before, so that a large amount of construction expenses such as land fees, garbage disposal fees and the like are wasted. In practice, however, the waste concrete and the waste masonry can both produce coarse and fine aggregates, and can be used for producing concrete, mortar or building products such as building blocks, wallboards and floor tiles with corresponding strength grades again.

At present, when the construction waste is recovered, the construction waste is generally crushed continuously by adopting independent crushing equipment, and crushed waste is conveyed to independent screening equipment to be screened out sand and stone for recycling.

With respect to the related art as described above, the inventors consider that there is a case where only a small amount of construction waste can be treated, and the efficiency is extremely low once a large amount of construction waste is treated.

Disclosure of Invention

In order to improve the recovery efficiency of construction waste, the construction waste of being convenient for is handled in a large batch, this application provides a construction waste recovery processing system.

The application provides a processing system is retrieved to construction waste adopts following technical scheme:

a construction waste recycling processing system comprising:

a main crushing device;

the screening equipment is arranged at the discharge end of the main crushing equipment;

an auxiliary crushing device;

the returning device is arranged between the screening device and the auxiliary crushing device and can convey the residual materials screened by the screening device to the auxiliary crushing device;

the returning device is arranged between the auxiliary crushing device and the main crushing device and can send the materials crushed by the auxiliary crushing device to the main crushing device;

and the discharging conveying equipment is arranged at the lower side of the screening equipment.

Through adopting above-mentioned technical scheme, during operation, will wait to smash the thing continuous conveyance to main crushing equipment and break, the material after the breakage will directly fall to screening plant, then after the screening of screening plant, the material that sieves will pass through ejection of compact conveying equipment output, and the remaining material in the screening process will send back to auxiliary crushing equipment again through returning equipment, then auxiliary crushing equipment is broken after accomplishing the material again, continue to send to main crushing equipment through returning equipment, fall to ejection of compact conveying equipment after breaking and sieving again and convey, realize the continuous breakage of material, thereby can reach the recovery efficiency that improves construction waste, the construction waste of being convenient for in a large number handles.

Preferably, the screening apparatus is provided with a spray apparatus, the spray nozzle of which is directed towards the screening apparatus.

Through adopting above-mentioned technical scheme, the spray rinsing equipment that adopts can spray water to wash the material when screening equipment sieves the material to accelerate the mud-sand separation of broken back construction waste material, be convenient for quick screening.

Preferably, the outfeed conveying apparatus comprises:

the bearing groove is arranged at the lower side of the screening equipment and is used for bearing materials screened by the screening equipment;

at least one screw conveyor, at least one screw conveyor is obliquely arranged, the lower end of the screw conveyor is a feeding end and extends into the bearing groove;

the feeding end of the dewatering screen is connected with the discharging end of the screw conveyor.

Through adopting above-mentioned technical scheme, during operation, the material after screening from screening equipment will directly fall to bear the inslot, then, screw conveyer can carry the material of inslot to carry out dehydration in the dewatering screen, in addition, because screw conveyer slope sets up, consequently in screw conveyer's transportation process, also can realize carrying the preliminary dehydration of inslot material, avoids too much moisture to promote to the dewatering screen.

Optionally, the main crushing apparatus and the auxiliary crushing apparatus each comprise a cone crusher, the cone crusher comprising:

a fixed cone, the fixed cone comprising:

the half cone splice plates are arranged in a plurality, and the half cone splice plates can be spliced into a whole cone;

the semi-ring sliding plate is arranged on at least one end face of each semi-cone splice plate, and the limiting sliding groove and the semi-cone splice plates are arranged coaxially; when the half cone splice plates are spliced into a whole cone, the half ring slide plates can be spliced into a whole ring;

the half cone splice plate further includes:

the limiting sliding groove is arranged at the position of the half cone splice plate corresponding to the half cone sliding plate and is arranged coaxially with the half cone splice plate and used for limiting the half cone sliding plate to only circumferentially slide along the axis of the half cone splice plate;

the screw hole is arranged on the bottom surface of at least one limiting chute;

the semi-ring skateboard further comprises:

the bolt is at least inserted into one semi-ring slide plate;

when the bolt is matched with the screw hole, one end of the semi-ring sliding plate protrudes out of one end of the limiting sliding groove.

By adopting the technical scheme, when fixed cones are required to be spliced, the half cone splice plates are spliced into the whole cone, at the moment, the limiting sliding grooves of the half cone splice plates can be mutually communicated and spliced into annular grooves, the half ring sliding plates in the limiting sliding grooves are spliced into the whole ring shape, then the half ring sliding plates in the limiting sliding grooves are rotated until the bolts are aligned with the screw holes, at the moment, the half ring sliding plates can be simultaneously positioned in two adjacent limiting sliding grooves, then the bolts are screwed, the fixing of the half ring sliding plates in the limiting sliding grooves can be realized, the fixing of the relative positions of all the half cone splice plates is further realized, and the half ring sliding plates can be directly installed in a cone crusher for use; when the cone crusher works for a period of time, after the fixed cone part is severely worn or broken, the fixed cone can be directly taken down, then the bolts are unscrewed from the half cone splice plates, the half ring sliding plates are separated from and fixed in the limiting sliding grooves, then the half ring sliding plates are rotated into the sliding grooves of the half cone splice plates corresponding to the half ring sliding plates respectively, at the moment, the adjacent half cone splice plates are separated from the connection relationship, and then the half cone splice plates can be replaced according to the requirements.

Optionally, two ends of each half cone splice plate are provided with half ring sliding plates.

Through adopting above-mentioned technical scheme, all there is the semi-ring slide through the semi-cone splice plate both ends that set up, the steadiness of the fixation cone after the spliced of assurance semi-cone splice plate that can be further guarantees its job stabilization nature.

Optionally, the cone crusher further comprises:

the lower frame body is cylindrical, and the upper end of the lower frame body is fixedly provided with a bearing ring for bearing the lower end of the fixed cone;

the upper frame body is cylindrical and detachably connected to the upper side of the lower frame body, and the upper end of the upper frame body is fixedly provided with a compression ring for compressing the upper end of the fixed cone.

Through adopting above-mentioned technical scheme, during the installation fixed cone, directly dismantle the support body, arrange the fixed cone in the support ring upside of lower support body, then with last support body coupling in lower support body upside, make the clamp ring compress tightly in the upside of fixed cone simultaneously, can realize the fixed of fixed cone in the casing, disassemble fixed convenience, simple, be convenient for change.

Optionally, the upper frame body includes:

the stop groove is arranged on the inner cylinder wall of the upper frame body;

the half cone splice plate further includes:

and a stop block fixed on the outer peripheral surface of the half cone splice plate and capable of being matched with the stop groove.

Through adopting above-mentioned technical scheme, when installing the fixed cone and going up the support body, make stop groove and stop block mutually support, can realize the fixed of support body and fixed cone, and the support body is fixed down with the support body down, can realize that the fixed cone is fixed for last support body and lower support body firmly, and then guarantees during operation, and the fixed cone can not rotate, guarantees the stability of work.

Optionally, the cone crusher further comprises:

the movable cone is arranged in the fixed cone, and has the same axial direction as the fixed cone, and a variable crushing gap is formed between the movable cone and the fixed cone;

the eccentric shaft is rotationally connected with the lower frame body and fixedly connected with the movable cone;

and the driving mechanism is used for driving the eccentric shaft to rotate.

Through adopting above-mentioned technical scheme, during operation, throw into the material between fixed cone and the movable cone, actuating mechanism drives the eccentric shaft and rotates, can drive the movable cone and rotate in succession to the size in broken clearance of continuous change realizes continuous extrusion broken material.

In summary, the present application includes at least one of the following beneficial technical effects:

during operation, to wait to smash the thing continuous conveyance to main crushing equipment and carry out the breakage, the material after the breakage will directly fall to screening plant, then after the screening of screening plant, the material that sieves will pass through ejection of compact conveying equipment output, and the remaining material in the screening process will send to auxiliary crushing equipment again through returning equipment, then auxiliary crushing equipment send to main crushing equipment through returning equipment after the material is broken again, fall to ejection of compact conveying equipment after crushing screening again and convey, realize the continuous breakage of material, thereby can reach the recovery efficiency that improves construction waste, the construction waste of being convenient for in a large number handles.

Drawings

Fig. 1 is a schematic view showing the overall structure of a construction waste recycling system according to a first embodiment of the present application;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

fig. 3 is a schematic cross-sectional structure of a cone crusher of a construction waste recycling system according to a second embodiment of the present application;

FIG. 4 is an enlarged schematic view of portion B of FIG. 3;

fig. 5 is an exploded schematic view of a fixed cone structure of a cone crusher in a construction waste recycling system according to a second embodiment of the present application;

fig. 6 is an exploded view of a moving cone structure of a cone crusher in a construction waste recycling system according to a second embodiment of the present application.

Reference numerals illustrate: 1. a main crushing device; 2. a screening device; 21. spray washing equipment; 211. a delivery water pipe; 212. a water spray pipe; 22. screening a blanking port; 23. a coarse material discharge port; 3. an auxiliary crushing device; 4. a return device; 5. a loopback device; 6. a discharge conveying device; 61. a carrying groove; 62. a screw conveyor; 63. dewatering screen; 7. a cone crusher; 71. a lower frame body; 711. a receiving ring; 72. an upper frame body; 721. a clamp ring; 722. a stop groove; 73. a fixed cone; 731. a half cone splice plate; 732. limiting the chute; 733. a semi-ring slide plate; 734. a screw hole; 735. a bolt; 736. a stopper; 74. a horizontal support frame; 741. a rotating sleeve; 742. an eccentric shaft; 743. a movable cone; 75. a driving mechanism; 751. bevel gears I; 752. a drive shaft; 753. bevel gears II; 754. and driving the motor.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-6.

The embodiment of the application discloses a construction waste recycling and processing system.

Referring to fig. 1, the construction waste recycling system includes a main crushing apparatus 1, a screening apparatus 2, an auxiliary crushing apparatus 3, a returning apparatus 4, a returning apparatus 5, and a discharge conveying apparatus 6.

Referring to fig. 1, in operation, firstly, the material to be crushed is continuously conveyed to a main crushing device 1 for crushing, the crushed material is screened by a screening device 2, the screened material is output by a discharging conveying device 6, the residual material in the screening process is conveyed to an auxiliary crushing device 3 by a returning device 4, the secondary crushing is carried out by the auxiliary crushing device 3, the secondary crushing is then conveyed to the main crushing device 1 by a returning device 5 for carrying out the tertiary crushing, and then the screening device 2 screens again until all the materials are conveyed out by the discharging conveying device 6, so that the continuous crushing of the material is realized, and thus, the recovery efficiency of the construction waste can be improved, and the treatment of a large quantity of construction waste is facilitated.

Referring to fig. 1, the main crushing apparatus 1 may be any one of a jaw crusher, a hammer crusher, a twin roll crusher, or a cone crusher 7. During operation, the construction waste is delivered into the main crushing equipment 1, so that the materials can be crushed.

Referring to fig. 1 and 2, the screening apparatus 2 is disposed at the lower side of the discharge port of the main crushing apparatus 1, the screening apparatus 2 may employ a screening machine such as a drum screen or a classifying screen, and for further improving screening efficiency, a spray apparatus 21 may be disposed at the upper side of the screening apparatus 2, and the spray apparatus 21 includes a water delivery pipe 211 and a water delivery pipe 212, which may employ a high pressure water pump for water delivery. In this embodiment, a classifying vibrating screen is adopted, the feeding side of the classifying vibrating screen is arranged at the discharge port of the main crushing equipment 1 and is used for receiving construction waste materials crushed by the main crushing equipment 1, the lower side of the classifying vibrating screen is provided with a screening blanking port 22 and is used for realizing the falling of materials with the particle size smaller than the aperture of the vibrating screen, and the upper side of the classifying vibrating screen is provided with a coarse material discharge port 23 and is used for realizing the discharge of materials with the particle size larger than the aperture of the classifying vibrating screen. The conveying water pipes 211 are horizontally arranged in a plurality and uniformly fixed on the upper side of the classifying screen, and water spraying ports of the water spraying pipes 212 connected to the conveying water pipes 211 face the classifying screen.

Referring to fig. 1 and 2, in operation, crushed materials fall to a classifying screen, the classifying screen screens the materials, and meanwhile, water is sent into a water spray pipe 212 through a water conveying pipe 211, and the water spray pipe 212 sprays the water to the upper side of the classifying screen, so that the crushed materials are washed and screened with acceleration, and the particle size is smaller than that of the classifying screen.

Referring to fig. 1, the auxiliary crushing apparatus 3 is provided at one side of the main crushing apparatus 1, and the auxiliary crushing apparatus 3 may be any one of a jaw crusher, a hammer crusher, a twin roll crusher, a cone crusher 7, and the like.

Referring to fig. 1, the returning apparatus 4 is disposed between the auxiliary crushing apparatus 3 and the screening apparatus 2, and the returning apparatus 4 may be a conveying apparatus such as a screw conveyor 62 or a belt conveyor, in this embodiment, the belt conveyor is exemplified by the belt conveyor, the feeding end of the belt conveyor of the returning apparatus 4 is disposed at the coarse material discharging port 23 of the classifying vibrating screen, and the discharging end of the belt conveyor of the returning apparatus 4 is disposed at the feeding end of the auxiliary crushing apparatus 3.

Referring to fig. 1, a loopback device 5 is provided between the auxiliary crushing device 3 and the main crushing device 1. The return device 5 may be a conveyor device such as a screw conveyor 62 or a belt conveyor, which in this embodiment is exemplified by a belt conveyor, the feed end of the belt conveyor of the return device 5 being arranged at the discharge position of the auxiliary crushing device 3, and the discharge end of the belt conveyor of the return device 5 being arranged at the feed position of the main crushing device 1.

Referring to fig. 1, in operation, coarse materials left after screening by the screening device 2 are discharged to the belt conveyor of the returning device 4 through the coarse material outlet, then are conveyed to the feed inlet of the auxiliary crushing device 3 through the belt conveyor of the returning device 4, crushed again by the auxiliary crushing device 3, the crushed materials are discharged again through the discharge outlet and fall to the belt conveyor of the returning device 5, the materials are conveyed again to the main crushing device 1 for crushing by the belt conveyor of the returning device 5, and the above procedures are repeated continuously, so that the continuous recycling treatment of the construction waste can be realized.

Referring to fig. 1, the discharge conveyor 6 is provided on the underside of the screening apparatus 2, i.e. on the underside of the screening blanking port 22 of the classifying screen in this embodiment. The discharging and conveying device 6 comprises a bearing groove 61 arranged on the lower side of a blanking port of the classifying vibrating screen, a screw conveyor 62 is obliquely arranged in the bearing groove 61, one end of the screw conveyor 62 obliquely upwards extends out of the upper side of the bearing groove 61, the feeding end of the screw conveyor 62 is positioned in the bearing groove 61, and the discharging end of the screw conveyor 62 is positioned outside the bearing groove 61. The lower side of the discharge end of the screw conveyor 62 is also provided with a dewatering screen 63.

Referring to fig. 1, in operation, the material screened by the screening apparatus 2 falls into the carrying tank 61, then the screw conveyor 62 sends the material in the carrying tank 61 to the upper side of the dewatering screen 63, and then the dewatering screen 63 screens out water, so that the final material discharging can be realized.

The implementation principle of the construction waste recycling and processing system provided by the embodiment of the application is as follows: during operation, the materials to be crushed are continuously conveyed to the main crushing equipment 1 for crushing, the crushed materials directly fall to the screening equipment 2, then after being screened by the screening equipment 2, the screened materials are output through the discharging conveying equipment 6, the materials remained in the screening process are conveyed to the auxiliary crushing equipment 3 again through the returning equipment 4, and then the auxiliary crushing equipment 3 is conveyed to the main crushing equipment 1 continuously through the returning equipment 5 after crushing the materials again, and the materials are conveyed out through the discharging conveying equipment 6 after being crushed and screened again, so that the continuous crushing of the materials is realized, the recovery efficiency of building waste can be improved, and the treatment of a large quantity of building waste is facilitated.

In the case of example 2,

the difference between the construction waste recycling system and the construction waste recycling system according to example 1 is that:

both the main crushing plant 1 and the auxiliary crushing plant 3 employ a cone crusher 7.

Referring to fig. 3 and 4, the cone crusher 7 includes a lower frame 71, the lower frame 71 is cylindrical, an upper bolt 735 of the lower frame 71 is connected with an upper frame 72, a fixed cone 73 is disposed in the upper frame 72, the fixed cone 73 is in an inverted cone annular structure, a receiving ring 711 is integrally formed on the upper side of the lower frame 71, a compression ring 721 is integrally formed on the upper side of the upper frame 72, the fixed cone 73 is disposed between the receiving ring 711 and the compression ring 721, and after the upper frame 72 is fixed with the lower frame 71, the fixed cone 73 can be compressed and fixed with the compression ring 721 through the receiving ring 711.

Referring to fig. 5, the fixed cone 73 includes a plurality of half cone splice plates 731, each half cone splice plate 731 has an arc shape, and the plurality of half cone splice plates 731 are spliced with each other to form an integral cone ring, i.e., to complete the forming of the fixed cone 73. Limiting sliding grooves 732 are formed in the two end faces of the half cone splice plates 731 along the arc-shaped track of the half cone splice plates 731, the limiting sliding grooves 732 and the half cone splice plates 731 are coaxially arranged, and when the plurality of half cone splice plates 731 are mutually spliced to form the fixed cone 73, the limiting sliding grooves 732 can be spliced on the end faces of the fixed cone 73 to form complete annular grooves.

Referring to fig. 5, a half ring sliding plate 733 having the same size as the limiting sliding groove 732 is slidably connected in the limiting sliding groove 732 of each half cone splice plate 731, and after the limiting sliding groove 732 is spliced into a complete ring groove, a plurality of half ring sliding plates 733 can be spliced into a complete ring, and the complete ring can rotate in the ring groove.

Referring to fig. 5, a screw hole 734 is formed in a bottom surface of at least one limiting chute 732 of the plurality of half cone splice plates 731, a bolt 735 is inserted into at least one half ring slider 733 of the plurality of half ring sliders 733, and when the half ring slider 733 is slid such that an end of the bolt 735 is engaged with the screw hole 734, one end of the half ring slider 733 can protrude from one end of the limiting chute 732 in which the screw hole 734 is formed.

Referring to fig. 5, when the fixed cone 73 needs to be spliced, the half cone splice plates 731 are spliced into a whole cone, at this time, the limiting slide grooves 732 of the half cone splice plates 731 can be mutually communicated and spliced into an annular groove shape, the half ring slide plates 733 in the limiting slide grooves 732 are spliced into a whole ring shape, then the half ring slide plates 733 in the limiting slide grooves 732 are rotated until the bolts 735 are aligned with the screw holes 734, at this time, the half ring slide plates 733 can be simultaneously positioned in two adjacent limiting slide grooves 732, then the bolts 735 are tightened, so that the fixation of the half ring slide plates 733 in the limiting slide grooves 732 can be realized, and further, the fixation of the relative positions of all the half cone splice plates 731 can be realized, and the half ring splice plates can be directly installed in the cone crusher 7 for use; when the fixed cone 73 is severely worn or broken, the fixed cone 73 can be directly taken down, then the bolts 735 are unscrewed from the half cone splice plates 731, the half ring sliding plates 733 are separated from the limiting sliding grooves 732, then the half ring sliding plates 733 are rotated into the limiting sliding grooves 732 of the half cone splice plates 731 corresponding to each other, at this time, the adjacent half cone splice plates 731 are separated from the connection relationship, and each half cone splice plate 731 can be replaced according to requirements.

Referring to fig. 4 and 5, a stopper 736 is fixedly connected to the outer circumferential surface of each half cone splice plate 731, and a stopper groove 722 is formed in the inner wall of the upper frame 72 at a position corresponding to the stopper 736. When the fixed cone 73 and the upper frame 72 are mounted, the upper frame 72 and the fixed cone 73 can be fixed by mutually matching the stop groove 722 and the stop block 736.

Referring to fig. 3 and 6, a horizontal support frame 74 is fixedly connected to the lower side of the lower frame 71, a rotating sleeve 741 with a vertically arranged axis is rotatably connected to the horizontal support frame 74, an eccentric shaft 742 with an upper end extending out of the upper end of the rotating sleeve 741 is fixedly arranged in the rotating sleeve 741, the eccentric shaft 742 and the axis of the rotating sleeve 741 are obliquely arranged, a movable cone 743 is fixedly connected to the upper end of the eccentric shaft 742, the movable cone 743 is in an inverted cone shape, the lower side of the movable cone 743 is fixedly arranged at the eccentric position of the eccentric shaft 742, a crushing gap is formed between the movable cone 743 and the fixed cone 73, and the movable cone 743 rotates along with the eccentric shaft 742 along with the rotation of the eccentric shaft 742, so that the width of each side of the crushing gap between the movable cone 743 and the fixed cone 73 is continuously changed, and crushing extrusion of materials is realized. The lower side of the horizontal support frame 74 is provided with a driving mechanism 75, the driving mechanism 75 comprises a first bevel gear 751 fixed on an eccentric sleeve 741, one side of the lower frame body 71 is rotatably connected with a driving shaft 752 with a horizontal axis, one end of the driving shaft 752 is fixedly provided with a second bevel gear 753 meshed with the first bevel gear 751, one side of the lower frame body 71 is also fixedly provided with a driving motor 754, and an output shaft of the driving motor 754 is fixedly arranged on the driving shaft 752. The driving motor 754 drives the driving shaft 752 to rotate and can be meshed with the first bevel gear 751 through the second bevel gear 753, so that the eccentric sleeve 741 is driven to rotate, and the eccentric shaft 742 is driven to rotate.

Referring to fig. 3 and 6, in operation, material is thrown between the fixed cone 73 and the movable cone 743, and the driving mechanism 75 drives the eccentric shaft 742 to rotate, so that the movable cone 743 can be driven to rotate continuously, and the size of the crushing gap is changed continuously, so that the crushed material is extruded continuously.

Compared with the embodiment 1, the advantages are that: in the first aspect, when the fixed cone 73 is installed, the upper frame body 72 is directly detached, the fixed cone 73 is placed on the upper side of the bearing ring 711 of the lower frame body 71, then the upper frame body 72 is connected on the upper side of the lower frame body 71, and meanwhile, the compression ring 721 is pressed on the upper side of the fixed cone 73, so that the fixed cone 73 can be fixed in the shell, and the disassembly and the fixation are convenient;

in the second aspect, when the fixed cone 73 is required to be spliced, the half cone splice plates 731 are spliced into a whole cone, at this time, the limiting slide grooves 732 of the half cone splice plates 731 are mutually communicated and spliced into annular grooves, the half ring slide plates 733 in the limiting slide grooves 732 are spliced into a whole ring shape, then the half ring slide plates 733 in the limiting slide grooves 732 are rotated until the bolts 735 are aligned with the screw holes 734, at this time, the half ring slide plates 733 can be simultaneously positioned in two adjacent limiting slide grooves 732, then the bolts 735 are tightened, so that the fixing of the half ring slide plates 733 in the limiting slide grooves 732 can be realized, and further, the fixing of the relative positions of all the half cone splice plates 731 can be realized, and the half ring splice plates can be directly installed in the cone crusher 7 for use; when the cone crusher 7 works for a period of time and the fixed cone 73 is severely worn or broken, the fixed cone 73 can be directly taken down, then the bolts 735 are unscrewed from the half cone splice plates 731, the half ring sliding plates 733 are separated from the limiting sliding grooves 732 and are fixed, then the half ring sliding plates 733 are rotated into the sliding grooves of the half cone splice plates 731 corresponding to each other, at the moment, the adjacent half cone splice plates 731 are separated from the connection relation, and each half cone splice plate 731 can be replaced according to the requirements.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A construction waste recycling system, comprising:

a main crushing plant (1);

the screening equipment (2) is arranged at the discharge end of the main crushing equipment (1);

an auxiliary crushing device (3);

the returning device (4) is arranged between the screening device (2) and the auxiliary crushing device (3) and can convey the residual materials screened by the screening device (2) to the auxiliary crushing device (3);

the returning device is arranged between the auxiliary crushing device (3) and the main crushing device (1) and can send the materials crushed by the auxiliary crushing device (3) to the main crushing device (1);

the discharging and conveying device (6) is arranged at the lower side of the screening device (2);

the main crushing plant (1) and the auxiliary crushing plant (3) each comprise a cone crusher (7), the cone crusher (7) comprising:

a fixed cone (73);

the lower frame body (71) is cylindrical, and the upper end of the lower frame body is fixedly provided with a bearing ring (711) for bearing the lower end of the fixed cone (73);

the upper frame body (72) is cylindrical and detachably connected to the upper side of the lower frame body (71), and a compression ring (721) is fixed at the upper end of the upper frame body and used for compressing the upper end of the fixed cone (73);

the fixed cone (73) comprises:

a plurality of half cone splice plates (731) are arranged, and the plurality of half cone splice plates (731) can be spliced into a whole cone;

a half-ring sliding plate (733) arranged on at least one end surface of each half-cone splice plate (731) and coaxially arranged with the half-cone splice plates (731); when the half cone splice plates (731) are spliced into a whole cone, the half ring slide plates (733) can be spliced into a whole ring;

the half cone splice plate (731) further comprises:

the limiting sliding groove (732) is formed in the position, corresponding to the half-cone splice plate (731), of the half-cone sliding plate (733), and the limiting sliding groove (732) and the half-cone splice plate (731) are coaxially arranged and used for limiting the half-cone sliding plate (733) to only circumferentially slide along the axis of the half-cone splice plate (731);

the screw hole (734) is arranged on the bottom surface of at least one limiting chute (732);

the half-ring slide plate (733) further comprises:

a bolt (735) inserted into at least one of the half-ring slide plates (733);

when the bolt (735) is matched with the screw hole (734), one end of the semi-ring sliding plate (733) protrudes out of one end of the limiting chute (732).

2. The construction waste recycling processing system according to claim 1, wherein:

the screening device (2) is provided with a spray device (21), and the water spray port of the spray device (21) faces the screening device (2).

3. The construction waste recycling processing system according to claim 1, wherein:

the outfeed conveyor apparatus (6) comprises:

the bearing groove (61) is arranged at the lower side of the screening equipment (2) and is used for bearing materials screened by the screening equipment (2);

at least one screw conveyor (62), at least one of which is arranged obliquely, the lower end of which is a feed end and extends into the bearing groove (61);

and the feeding end of the dewatering screen (63) is connected with the discharging end of the screw conveyor (62).

4. The construction waste recycling processing system according to claim 1, wherein:

both ends of each half cone splice plate (731) are provided with half ring sliding plates (733).

5. The construction waste recycling processing system according to claim 1, wherein:

the upper frame (72) includes:

a stopper groove (722) provided in the inner cylinder wall of the upper frame (72);

the half cone splice plate (731) further comprises:

and a stopper (736) fixed to the outer peripheral surface of the half cone splice plate (731) and capable of being engaged with the stopper groove (722).

6. The construction waste recycling processing system according to claim 1, wherein:

the cone crusher (7) further comprises:

the movable cone (743) is arranged in the fixed cone (73) and has the same axial direction as the fixed cone (73), and a variable crushing gap is formed between the movable cone (743) and the fixed cone (73);

an eccentric shaft (742) rotatably connected to the lower frame (71) and fixedly connected to the movable cone (743);

and a driving mechanism (75) for driving the eccentric shaft (742) to rotate.